Annotation of embedaddon/libxml2/xmlwriter.c, revision 1.1.1.1

1.1       misho       1: 
                      2: /*
                      3:  * xmlwriter.c: XML text writer implementation
                      4:  *
                      5:  * For license and disclaimer see the license and disclaimer of
                      6:  * libxml2.
                      7:  *
                      8:  * alfred@mickautsch.de
                      9:  */
                     10: 
                     11: #define IN_LIBXML
                     12: #include "libxml.h"
                     13: #include <string.h>
                     14: 
                     15: #include <libxml/xmlmemory.h>
                     16: #include <libxml/parser.h>
                     17: #include <libxml/uri.h>
                     18: #include <libxml/HTMLtree.h>
                     19: 
                     20: #ifdef LIBXML_WRITER_ENABLED
                     21: 
                     22: #include <libxml/xmlwriter.h>
                     23: 
                     24: #define B64LINELEN 72
                     25: #define B64CRLF "\r\n"
                     26: 
                     27: /*
                     28:  * The following VA_COPY was coded following an example in
                     29:  * the Samba project.  It may not be sufficient for some
                     30:  * esoteric implementations of va_list (i.e. it may need
                     31:  * something involving a memcpy) but (hopefully) will be
                     32:  * sufficient for libxml2.
                     33:  */
                     34: #ifndef VA_COPY
                     35:   #ifdef HAVE_VA_COPY
                     36:     #define VA_COPY(dest, src) va_copy(dest, src)
                     37:   #else
                     38:     #ifdef HAVE___VA_COPY
                     39:       #define VA_COPY(dest,src) __va_copy(dest, src)
                     40:     #else
                     41:       #define VA_COPY(dest,src) (dest) = (src)
                     42:     #endif
                     43:   #endif
                     44: #endif
                     45: 
                     46: /*
                     47:  * Types are kept private
                     48:  */
                     49: typedef enum {
                     50:     XML_TEXTWRITER_NONE = 0,
                     51:     XML_TEXTWRITER_NAME,
                     52:     XML_TEXTWRITER_ATTRIBUTE,
                     53:     XML_TEXTWRITER_TEXT,
                     54:     XML_TEXTWRITER_PI,
                     55:     XML_TEXTWRITER_PI_TEXT,
                     56:     XML_TEXTWRITER_CDATA,
                     57:     XML_TEXTWRITER_DTD,
                     58:     XML_TEXTWRITER_DTD_TEXT,
                     59:     XML_TEXTWRITER_DTD_ELEM,
                     60:     XML_TEXTWRITER_DTD_ELEM_TEXT,
                     61:     XML_TEXTWRITER_DTD_ATTL,
                     62:     XML_TEXTWRITER_DTD_ATTL_TEXT,
                     63:     XML_TEXTWRITER_DTD_ENTY,    /* entity */
                     64:     XML_TEXTWRITER_DTD_ENTY_TEXT,
                     65:     XML_TEXTWRITER_DTD_PENT,    /* parameter entity */
                     66:     XML_TEXTWRITER_COMMENT
                     67: } xmlTextWriterState;
                     68: 
                     69: typedef struct _xmlTextWriterStackEntry xmlTextWriterStackEntry;
                     70: 
                     71: struct _xmlTextWriterStackEntry {
                     72:     xmlChar *name;
                     73:     xmlTextWriterState state;
                     74: };
                     75: 
                     76: typedef struct _xmlTextWriterNsStackEntry xmlTextWriterNsStackEntry;
                     77: struct _xmlTextWriterNsStackEntry {
                     78:     xmlChar *prefix;
                     79:     xmlChar *uri;
                     80:     xmlLinkPtr elem;
                     81: };
                     82: 
                     83: struct _xmlTextWriter {
                     84:     xmlOutputBufferPtr out;     /* output buffer */
                     85:     xmlListPtr nodes;           /* element name stack */
                     86:     xmlListPtr nsstack;         /* name spaces stack */
                     87:     int level;
                     88:     int indent;                 /* enable indent */
                     89:     int doindent;               /* internal indent flag */
                     90:     xmlChar *ichar;             /* indent character */
                     91:     char qchar;                 /* character used for quoting attribute values */
                     92:     xmlParserCtxtPtr ctxt;
                     93:     int no_doc_free;
                     94:     xmlDocPtr doc;
                     95: };
                     96: 
                     97: static void xmlFreeTextWriterStackEntry(xmlLinkPtr lk);
                     98: static int xmlCmpTextWriterStackEntry(const void *data0,
                     99:                                       const void *data1);
                    100: static int xmlTextWriterOutputNSDecl(xmlTextWriterPtr writer);
                    101: static void xmlFreeTextWriterNsStackEntry(xmlLinkPtr lk);
                    102: static int xmlCmpTextWriterNsStackEntry(const void *data0,
                    103:                                         const void *data1);
                    104: static int xmlTextWriterWriteDocCallback(void *context,
                    105:                                          const xmlChar * str, int len);
                    106: static int xmlTextWriterCloseDocCallback(void *context);
                    107: 
                    108: static xmlChar *xmlTextWriterVSprintf(const char *format, va_list argptr);
                    109: static int xmlOutputBufferWriteBase64(xmlOutputBufferPtr out, int len,
                    110:                                       const unsigned char *data);
                    111: static void xmlTextWriterStartDocumentCallback(void *ctx);
                    112: static int xmlTextWriterWriteIndent(xmlTextWriterPtr writer);
                    113: static int
                    114:   xmlTextWriterHandleStateDependencies(xmlTextWriterPtr writer,
                    115:                                        xmlTextWriterStackEntry * p);
                    116: 
                    117: /**
                    118:  * xmlWriterErrMsg:
                    119:  * @ctxt:  a writer context
                    120:  * @error:  the error number
                    121:  * @msg:  the error message
                    122:  *
                    123:  * Handle a writer error
                    124:  */
                    125: static void
                    126: xmlWriterErrMsg(xmlTextWriterPtr ctxt, xmlParserErrors error,
                    127:                const char *msg)
                    128: {
                    129:     if (ctxt != NULL) {
                    130:        __xmlRaiseError(NULL, NULL, NULL, ctxt->ctxt,
                    131:                    NULL, XML_FROM_WRITER, error, XML_ERR_FATAL,
                    132:                    NULL, 0, NULL, NULL, NULL, 0, 0, "%s", msg);
                    133:     } else {
                    134:        __xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_WRITER, error,
                    135:                     XML_ERR_FATAL, NULL, 0, NULL, NULL, NULL, 0, 0, "%s", msg);
                    136:     }
                    137: }
                    138: 
                    139: /**
                    140:  * xmlWriterErrMsgInt:
                    141:  * @ctxt:  a writer context
                    142:  * @error:  the error number
                    143:  * @msg:  the error message
                    144:  * @val:  an int
                    145:  *
                    146:  * Handle a writer error
                    147:  */
                    148: static void
                    149: xmlWriterErrMsgInt(xmlTextWriterPtr ctxt, xmlParserErrors error,
                    150:                const char *msg, int val)
                    151: {
                    152:     if (ctxt != NULL) {
                    153:        __xmlRaiseError(NULL, NULL, NULL, ctxt->ctxt,
                    154:                    NULL, XML_FROM_WRITER, error, XML_ERR_FATAL,
                    155:                    NULL, 0, NULL, NULL, NULL, val, 0, msg, val);
                    156:     } else {
                    157:        __xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_WRITER, error,
                    158:                     XML_ERR_FATAL, NULL, 0, NULL, NULL, NULL, val, 0, msg, val);
                    159:     }
                    160: }
                    161: 
                    162: /**
                    163:  * xmlNewTextWriter:
                    164:  * @out:  an xmlOutputBufferPtr
                    165:  *
                    166:  * Create a new xmlNewTextWriter structure using an xmlOutputBufferPtr
                    167:  * NOTE: the @out parameter will be deallocated when the writer is closed
                    168:  *       (if the call succeed.)
                    169:  *
                    170:  * Returns the new xmlTextWriterPtr or NULL in case of error
                    171:  */
                    172: xmlTextWriterPtr
                    173: xmlNewTextWriter(xmlOutputBufferPtr out)
                    174: {
                    175:     xmlTextWriterPtr ret;
                    176: 
                    177:     ret = (xmlTextWriterPtr) xmlMalloc(sizeof(xmlTextWriter));
                    178:     if (ret == NULL) {
                    179:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    180:                         "xmlNewTextWriter : out of memory!\n");
                    181:         return NULL;
                    182:     }
                    183:     memset(ret, 0, (size_t) sizeof(xmlTextWriter));
                    184: 
                    185:     ret->nodes = xmlListCreate((xmlListDeallocator)
                    186:                                xmlFreeTextWriterStackEntry,
                    187:                                (xmlListDataCompare)
                    188:                                xmlCmpTextWriterStackEntry);
                    189:     if (ret->nodes == NULL) {
                    190:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    191:                         "xmlNewTextWriter : out of memory!\n");
                    192:         xmlFree(ret);
                    193:         return NULL;
                    194:     }
                    195: 
                    196:     ret->nsstack = xmlListCreate((xmlListDeallocator)
                    197:                                  xmlFreeTextWriterNsStackEntry,
                    198:                                  (xmlListDataCompare)
                    199:                                  xmlCmpTextWriterNsStackEntry);
                    200:     if (ret->nsstack == NULL) {
                    201:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    202:                         "xmlNewTextWriter : out of memory!\n");
                    203:         xmlListDelete(ret->nodes);
                    204:         xmlFree(ret);
                    205:         return NULL;
                    206:     }
                    207: 
                    208:     ret->out = out;
                    209:     ret->ichar = xmlStrdup(BAD_CAST " ");
                    210:     ret->qchar = '"';
                    211: 
                    212:     if (!ret->ichar) {
                    213:         xmlListDelete(ret->nodes);
                    214:         xmlListDelete(ret->nsstack);
                    215:         xmlFree(ret);
                    216:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    217:                         "xmlNewTextWriter : out of memory!\n");
                    218:         return NULL;
                    219:     }
                    220: 
                    221:     ret->doc = xmlNewDoc(NULL);
                    222: 
                    223:     ret->no_doc_free = 0;
                    224: 
                    225:     return ret;
                    226: }
                    227: 
                    228: /**
                    229:  * xmlNewTextWriterFilename:
                    230:  * @uri:  the URI of the resource for the output
                    231:  * @compression:  compress the output?
                    232:  *
                    233:  * Create a new xmlNewTextWriter structure with @uri as output
                    234:  *
                    235:  * Returns the new xmlTextWriterPtr or NULL in case of error
                    236:  */
                    237: xmlTextWriterPtr
                    238: xmlNewTextWriterFilename(const char *uri, int compression)
                    239: {
                    240:     xmlTextWriterPtr ret;
                    241:     xmlOutputBufferPtr out;
                    242: 
                    243:     out = xmlOutputBufferCreateFilename(uri, NULL, compression);
                    244:     if (out == NULL) {
                    245:         xmlWriterErrMsg(NULL, XML_IO_EIO,
                    246:                         "xmlNewTextWriterFilename : cannot open uri\n");
                    247:         return NULL;
                    248:     }
                    249: 
                    250:     ret = xmlNewTextWriter(out);
                    251:     if (ret == NULL) {
                    252:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    253:                         "xmlNewTextWriterFilename : out of memory!\n");
                    254:         xmlOutputBufferClose(out);
                    255:         return NULL;
                    256:     }
                    257: 
                    258:     ret->indent = 0;
                    259:     ret->doindent = 0;
                    260:     return ret;
                    261: }
                    262: 
                    263: /**
                    264:  * xmlNewTextWriterMemory:
                    265:  * @buf:  xmlBufferPtr
                    266:  * @compression:  compress the output?
                    267:  *
                    268:  * Create a new xmlNewTextWriter structure with @buf as output
                    269:  * TODO: handle compression
                    270:  *
                    271:  * Returns the new xmlTextWriterPtr or NULL in case of error
                    272:  */
                    273: xmlTextWriterPtr
                    274: xmlNewTextWriterMemory(xmlBufferPtr buf, int compression ATTRIBUTE_UNUSED)
                    275: {
                    276:     xmlTextWriterPtr ret;
                    277:     xmlOutputBufferPtr out;
                    278: 
                    279: /*::todo handle compression */
                    280:     out = xmlOutputBufferCreateBuffer(buf, NULL);
                    281: 
                    282:     if (out == NULL) {
                    283:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    284:                         "xmlNewTextWriterMemory : out of memory!\n");
                    285:         return NULL;
                    286:     }
                    287: 
                    288:     ret = xmlNewTextWriter(out);
                    289:     if (ret == NULL) {
                    290:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                    291:                         "xmlNewTextWriterMemory : out of memory!\n");
                    292:         xmlOutputBufferClose(out);
                    293:         return NULL;
                    294:     }
                    295: 
                    296:     return ret;
                    297: }
                    298: 
                    299: /**
                    300:  * xmlNewTextWriterPushParser:
                    301:  * @ctxt: xmlParserCtxtPtr to hold the new XML document tree
                    302:  * @compression:  compress the output?
                    303:  *
                    304:  * Create a new xmlNewTextWriter structure with @ctxt as output
                    305:  * NOTE: the @ctxt context will be freed with the resulting writer
                    306:  *       (if the call succeeds).
                    307:  * TODO: handle compression
                    308:  *
                    309:  * Returns the new xmlTextWriterPtr or NULL in case of error
                    310:  */
                    311: xmlTextWriterPtr
                    312: xmlNewTextWriterPushParser(xmlParserCtxtPtr ctxt,
                    313:                            int compression ATTRIBUTE_UNUSED)
                    314: {
                    315:     xmlTextWriterPtr ret;
                    316:     xmlOutputBufferPtr out;
                    317: 
                    318:     if (ctxt == NULL) {
                    319:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    320:                         "xmlNewTextWriterPushParser : invalid context!\n");
                    321:         return NULL;
                    322:     }
                    323: 
                    324:     out = xmlOutputBufferCreateIO((xmlOutputWriteCallback)
                    325:                                   xmlTextWriterWriteDocCallback,
                    326:                                   (xmlOutputCloseCallback)
                    327:                                   xmlTextWriterCloseDocCallback,
                    328:                                   (void *) ctxt, NULL);
                    329:     if (out == NULL) {
                    330:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    331:                         "xmlNewTextWriterPushParser : error at xmlOutputBufferCreateIO!\n");
                    332:         return NULL;
                    333:     }
                    334: 
                    335:     ret = xmlNewTextWriter(out);
                    336:     if (ret == NULL) {
                    337:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    338:                         "xmlNewTextWriterPushParser : error at xmlNewTextWriter!\n");
                    339:         xmlOutputBufferClose(out);
                    340:         return NULL;
                    341:     }
                    342: 
                    343:     ret->ctxt = ctxt;
                    344: 
                    345:     return ret;
                    346: }
                    347: 
                    348: /**
                    349:  * xmlNewTextWriterDoc:
                    350:  * @doc: address of a xmlDocPtr to hold the new XML document tree
                    351:  * @compression:  compress the output?
                    352:  *
                    353:  * Create a new xmlNewTextWriter structure with @*doc as output
                    354:  *
                    355:  * Returns the new xmlTextWriterPtr or NULL in case of error
                    356:  */
                    357: xmlTextWriterPtr
                    358: xmlNewTextWriterDoc(xmlDocPtr * doc, int compression)
                    359: {
                    360:     xmlTextWriterPtr ret;
                    361:     xmlSAXHandler saxHandler;
                    362:     xmlParserCtxtPtr ctxt;
                    363: 
                    364:     memset(&saxHandler, '\0', sizeof(saxHandler));
                    365:     xmlSAX2InitDefaultSAXHandler(&saxHandler, 1);
                    366:     saxHandler.startDocument = xmlTextWriterStartDocumentCallback;
                    367:     saxHandler.startElement = xmlSAX2StartElement;
                    368:     saxHandler.endElement = xmlSAX2EndElement;
                    369: 
                    370:     ctxt = xmlCreatePushParserCtxt(&saxHandler, NULL, NULL, 0, NULL);
                    371:     if (ctxt == NULL) {
                    372:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    373:                 "xmlNewTextWriterDoc : error at xmlCreatePushParserCtxt!\n");
                    374:         return NULL;
                    375:     }
                    376:     /*
                    377:      * For some reason this seems to completely break if node names
                    378:      * are interned.
                    379:      */
                    380:     ctxt->dictNames = 0;
                    381: 
                    382:     ctxt->myDoc = xmlNewDoc(BAD_CAST XML_DEFAULT_VERSION);
                    383:     if (ctxt->myDoc == NULL) {
                    384:         xmlFreeParserCtxt(ctxt);
                    385:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    386:                         "xmlNewTextWriterDoc : error at xmlNewDoc!\n");
                    387:         return NULL;
                    388:     }
                    389: 
                    390:     ret = xmlNewTextWriterPushParser(ctxt, compression);
                    391:     if (ret == NULL) {
                    392:         xmlFreeDoc(ctxt->myDoc);
                    393:         xmlFreeParserCtxt(ctxt);
                    394:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    395:                 "xmlNewTextWriterDoc : error at xmlNewTextWriterPushParser!\n");
                    396:         return NULL;
                    397:     }
                    398: 
                    399:     xmlSetDocCompressMode(ctxt->myDoc, compression);
                    400: 
                    401:     if (doc != NULL) {
                    402:         *doc = ctxt->myDoc;
                    403:        ret->no_doc_free = 1;
                    404:     }
                    405: 
                    406:     return ret;
                    407: }
                    408: 
                    409: /**
                    410:  * xmlNewTextWriterTree:
                    411:  * @doc: xmlDocPtr
                    412:  * @node: xmlNodePtr or NULL for doc->children
                    413:  * @compression:  compress the output?
                    414:  *
                    415:  * Create a new xmlNewTextWriter structure with @doc as output
                    416:  * starting at @node
                    417:  *
                    418:  * Returns the new xmlTextWriterPtr or NULL in case of error
                    419:  */
                    420: xmlTextWriterPtr
                    421: xmlNewTextWriterTree(xmlDocPtr doc, xmlNodePtr node, int compression)
                    422: {
                    423:     xmlTextWriterPtr ret;
                    424:     xmlSAXHandler saxHandler;
                    425:     xmlParserCtxtPtr ctxt;
                    426: 
                    427:     if (doc == NULL) {
                    428:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    429:                         "xmlNewTextWriterTree : invalid document tree!\n");
                    430:         return NULL;
                    431:     }
                    432: 
                    433:     memset(&saxHandler, '\0', sizeof(saxHandler));
                    434:     xmlSAX2InitDefaultSAXHandler(&saxHandler, 1);
                    435:     saxHandler.startDocument = xmlTextWriterStartDocumentCallback;
                    436:     saxHandler.startElement = xmlSAX2StartElement;
                    437:     saxHandler.endElement = xmlSAX2EndElement;
                    438: 
                    439:     ctxt = xmlCreatePushParserCtxt(&saxHandler, NULL, NULL, 0, NULL);
                    440:     if (ctxt == NULL) {
                    441:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    442:                         "xmlNewTextWriterDoc : error at xmlCreatePushParserCtxt!\n");
                    443:         return NULL;
                    444:     }
                    445:     /*
                    446:      * For some reason this seems to completely break if node names
                    447:      * are interned.
                    448:      */
                    449:     ctxt->dictNames = 0;
                    450: 
                    451:     ret = xmlNewTextWriterPushParser(ctxt, compression);
                    452:     if (ret == NULL) {
                    453:         xmlFreeParserCtxt(ctxt);
                    454:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                    455:                         "xmlNewTextWriterDoc : error at xmlNewTextWriterPushParser!\n");
                    456:         return NULL;
                    457:     }
                    458: 
                    459:     ctxt->myDoc = doc;
                    460:     ctxt->node = node;
                    461:     ret->no_doc_free = 1;
                    462: 
                    463:     xmlSetDocCompressMode(doc, compression);
                    464: 
                    465:     return ret;
                    466: }
                    467: 
                    468: /**
                    469:  * xmlFreeTextWriter:
                    470:  * @writer:  the xmlTextWriterPtr
                    471:  *
                    472:  * Deallocate all the resources associated to the writer
                    473:  */
                    474: void
                    475: xmlFreeTextWriter(xmlTextWriterPtr writer)
                    476: {
                    477:     if (writer == NULL)
                    478:         return;
                    479: 
                    480:     if (writer->out != NULL)
                    481:         xmlOutputBufferClose(writer->out);
                    482: 
                    483:     if (writer->nodes != NULL)
                    484:         xmlListDelete(writer->nodes);
                    485: 
                    486:     if (writer->nsstack != NULL)
                    487:         xmlListDelete(writer->nsstack);
                    488: 
                    489:     if (writer->ctxt != NULL) {
                    490:         if ((writer->ctxt->myDoc != NULL) && (writer->no_doc_free == 0)) {
                    491:            xmlFreeDoc(writer->ctxt->myDoc);
                    492:            writer->ctxt->myDoc = NULL;
                    493:        }
                    494:         xmlFreeParserCtxt(writer->ctxt);
                    495:     }
                    496: 
                    497:     if (writer->doc != NULL)
                    498:         xmlFreeDoc(writer->doc);
                    499: 
                    500:     if (writer->ichar != NULL)
                    501:         xmlFree(writer->ichar);
                    502:     xmlFree(writer);
                    503: }
                    504: 
                    505: /**
                    506:  * xmlTextWriterStartDocument:
                    507:  * @writer:  the xmlTextWriterPtr
                    508:  * @version:  the xml version ("1.0") or NULL for default ("1.0")
                    509:  * @encoding:  the encoding or NULL for default
                    510:  * @standalone: "yes" or "no" or NULL for default
                    511:  *
                    512:  * Start a new xml document
                    513:  *
                    514:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    515:  */
                    516: int
                    517: xmlTextWriterStartDocument(xmlTextWriterPtr writer, const char *version,
                    518:                            const char *encoding, const char *standalone)
                    519: {
                    520:     int count;
                    521:     int sum;
                    522:     xmlLinkPtr lk;
                    523:     xmlCharEncodingHandlerPtr encoder;
                    524: 
                    525:     if ((writer == NULL) || (writer->out == NULL)) {
                    526:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    527:                         "xmlTextWriterStartDocument : invalid writer!\n");
                    528:         return -1;
                    529:     }
                    530: 
                    531:     lk = xmlListFront(writer->nodes);
                    532:     if ((lk != NULL) && (xmlLinkGetData(lk) != NULL)) {
                    533:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    534:                         "xmlTextWriterStartDocument : not allowed in this context!\n");
                    535:         return -1;
                    536:     }
                    537: 
                    538:     encoder = NULL;
                    539:     if (encoding != NULL) {
                    540:         encoder = xmlFindCharEncodingHandler(encoding);
                    541:         if (encoder == NULL) {
                    542:             xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                    543:                             "xmlTextWriterStartDocument : out of memory!\n");
                    544:             return -1;
                    545:         }
                    546:     }
                    547: 
                    548:     writer->out->encoder = encoder;
                    549:     if (encoder != NULL) {
                    550:        if (writer->out->conv == NULL) {
                    551:            writer->out->conv = xmlBufferCreateSize(4000);
                    552:        }
                    553:         xmlCharEncOutFunc(encoder, writer->out->conv, NULL);
                    554:         if ((writer->doc != NULL) && (writer->doc->encoding == NULL))
                    555:             writer->doc->encoding = xmlStrdup((xmlChar *)writer->out->encoder->name);
                    556:     } else
                    557:         writer->out->conv = NULL;
                    558: 
                    559:     sum = 0;
                    560:     count = xmlOutputBufferWriteString(writer->out, "<?xml version=");
                    561:     if (count < 0)
                    562:         return -1;
                    563:     sum += count;
                    564:     count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                    565:     if (count < 0)
                    566:         return -1;
                    567:     sum += count;
                    568:     if (version != 0)
                    569:         count = xmlOutputBufferWriteString(writer->out, version);
                    570:     else
                    571:         count = xmlOutputBufferWriteString(writer->out, "1.0");
                    572:     if (count < 0)
                    573:         return -1;
                    574:     sum += count;
                    575:     count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                    576:     if (count < 0)
                    577:         return -1;
                    578:     sum += count;
                    579:     if (writer->out->encoder != 0) {
                    580:         count = xmlOutputBufferWriteString(writer->out, " encoding=");
                    581:         if (count < 0)
                    582:             return -1;
                    583:         sum += count;
                    584:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                    585:         if (count < 0)
                    586:             return -1;
                    587:         sum += count;
                    588:         count =
                    589:             xmlOutputBufferWriteString(writer->out,
                    590:                                        writer->out->encoder->name);
                    591:         if (count < 0)
                    592:             return -1;
                    593:         sum += count;
                    594:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                    595:         if (count < 0)
                    596:             return -1;
                    597:         sum += count;
                    598:     }
                    599: 
                    600:     if (standalone != 0) {
                    601:         count = xmlOutputBufferWriteString(writer->out, " standalone=");
                    602:         if (count < 0)
                    603:             return -1;
                    604:         sum += count;
                    605:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                    606:         if (count < 0)
                    607:             return -1;
                    608:         sum += count;
                    609:         count = xmlOutputBufferWriteString(writer->out, standalone);
                    610:         if (count < 0)
                    611:             return -1;
                    612:         sum += count;
                    613:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                    614:         if (count < 0)
                    615:             return -1;
                    616:         sum += count;
                    617:     }
                    618: 
                    619:     count = xmlOutputBufferWriteString(writer->out, "?>\n");
                    620:     if (count < 0)
                    621:         return -1;
                    622:     sum += count;
                    623: 
                    624:     return sum;
                    625: }
                    626: 
                    627: /**
                    628:  * xmlTextWriterEndDocument:
                    629:  * @writer:  the xmlTextWriterPtr
                    630:  *
                    631:  * End an xml document. All open elements are closed, and
                    632:  * the content is flushed to the output.
                    633:  *
                    634:  * Returns the bytes written or -1 in case of error
                    635:  */
                    636: int
                    637: xmlTextWriterEndDocument(xmlTextWriterPtr writer)
                    638: {
                    639:     int count;
                    640:     int sum;
                    641:     xmlLinkPtr lk;
                    642:     xmlTextWriterStackEntry *p;
                    643: 
                    644:     if (writer == NULL) {
                    645:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    646:                         "xmlTextWriterEndDocument : invalid writer!\n");
                    647:         return -1;
                    648:     }
                    649: 
                    650:     sum = 0;
                    651:     while ((lk = xmlListFront(writer->nodes)) != NULL) {
                    652:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                    653:         if (p == 0)
                    654:             break;
                    655:         switch (p->state) {
                    656:             case XML_TEXTWRITER_NAME:
                    657:             case XML_TEXTWRITER_ATTRIBUTE:
                    658:             case XML_TEXTWRITER_TEXT:
                    659:                 count = xmlTextWriterEndElement(writer);
                    660:                 if (count < 0)
                    661:                     return -1;
                    662:                 sum += count;
                    663:                 break;
                    664:             case XML_TEXTWRITER_PI:
                    665:             case XML_TEXTWRITER_PI_TEXT:
                    666:                 count = xmlTextWriterEndPI(writer);
                    667:                 if (count < 0)
                    668:                     return -1;
                    669:                 sum += count;
                    670:                 break;
                    671:             case XML_TEXTWRITER_CDATA:
                    672:                 count = xmlTextWriterEndCDATA(writer);
                    673:                 if (count < 0)
                    674:                     return -1;
                    675:                 sum += count;
                    676:                 break;
                    677:             case XML_TEXTWRITER_DTD:
                    678:             case XML_TEXTWRITER_DTD_TEXT:
                    679:             case XML_TEXTWRITER_DTD_ELEM:
                    680:             case XML_TEXTWRITER_DTD_ELEM_TEXT:
                    681:             case XML_TEXTWRITER_DTD_ATTL:
                    682:             case XML_TEXTWRITER_DTD_ATTL_TEXT:
                    683:             case XML_TEXTWRITER_DTD_ENTY:
                    684:             case XML_TEXTWRITER_DTD_ENTY_TEXT:
                    685:             case XML_TEXTWRITER_DTD_PENT:
                    686:                 count = xmlTextWriterEndDTD(writer);
                    687:                 if (count < 0)
                    688:                     return -1;
                    689:                 sum += count;
                    690:                 break;
                    691:             case XML_TEXTWRITER_COMMENT:
                    692:                 count = xmlTextWriterEndComment(writer);
                    693:                 if (count < 0)
                    694:                     return -1;
                    695:                 sum += count;
                    696:                 break;
                    697:             default:
                    698:                 break;
                    699:         }
                    700:     }
                    701: 
                    702:     if (!writer->indent) {
                    703:         count = xmlOutputBufferWriteString(writer->out, "\n");
                    704:         if (count < 0)
                    705:             return -1;
                    706:         sum += count;
                    707:     }
                    708: 
                    709:     sum += xmlTextWriterFlush(writer);
                    710: 
                    711:     return sum;
                    712: }
                    713: 
                    714: /**
                    715:  * xmlTextWriterStartComment:
                    716:  * @writer:  the xmlTextWriterPtr
                    717:  *
                    718:  * Start an xml comment.
                    719:  *
                    720:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    721:  */
                    722: int
                    723: xmlTextWriterStartComment(xmlTextWriterPtr writer)
                    724: {
                    725:     int count;
                    726:     int sum;
                    727:     xmlLinkPtr lk;
                    728:     xmlTextWriterStackEntry *p;
                    729: 
                    730:     if (writer == NULL) {
                    731:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    732:                         "xmlTextWriterStartComment : invalid writer!\n");
                    733:         return -1;
                    734:     }
                    735: 
                    736:     sum = 0;
                    737:     lk = xmlListFront(writer->nodes);
                    738:     if (lk != 0) {
                    739:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                    740:         if (p != 0) {
                    741:             switch (p->state) {
                    742:                 case XML_TEXTWRITER_TEXT:
                    743:                 case XML_TEXTWRITER_NONE:
                    744:                     break;
                    745:                 case XML_TEXTWRITER_NAME:
                    746:                     /* Output namespace declarations */
                    747:                     count = xmlTextWriterOutputNSDecl(writer);
                    748:                     if (count < 0)
                    749:                         return -1;
                    750:                     sum += count;
                    751:                     count = xmlOutputBufferWriteString(writer->out, ">");
                    752:                     if (count < 0)
                    753:                         return -1;
                    754:                     sum += count;
                    755:                     if (writer->indent) {
                    756:                         count =
                    757:                             xmlOutputBufferWriteString(writer->out, "\n");
                    758:                         if (count < 0)
                    759:                             return -1;
                    760:                         sum += count;
                    761:                     }
                    762:                     p->state = XML_TEXTWRITER_TEXT;
                    763:                     break;
                    764:                 default:
                    765:                     return -1;
                    766:             }
                    767:         }
                    768:     }
                    769: 
                    770:     p = (xmlTextWriterStackEntry *)
                    771:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                    772:     if (p == 0) {
                    773:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                    774:                         "xmlTextWriterStartElement : out of memory!\n");
                    775:         return -1;
                    776:     }
                    777: 
                    778:     p->name = NULL;
                    779:     p->state = XML_TEXTWRITER_COMMENT;
                    780: 
                    781:     xmlListPushFront(writer->nodes, p);
                    782: 
                    783:     if (writer->indent) {
                    784:         count = xmlTextWriterWriteIndent(writer);
                    785:         if (count < 0)
                    786:             return -1;
                    787:         sum += count;
                    788:     }
                    789: 
                    790:     count = xmlOutputBufferWriteString(writer->out, "<!--");
                    791:     if (count < 0)
                    792:         return -1;
                    793:     sum += count;
                    794: 
                    795:     return sum;
                    796: }
                    797: 
                    798: /**
                    799:  * xmlTextWriterEndComment:
                    800:  * @writer:  the xmlTextWriterPtr
                    801:  *
                    802:  * End the current xml coment.
                    803:  *
                    804:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    805:  */
                    806: int
                    807: xmlTextWriterEndComment(xmlTextWriterPtr writer)
                    808: {
                    809:     int count;
                    810:     int sum;
                    811:     xmlLinkPtr lk;
                    812:     xmlTextWriterStackEntry *p;
                    813: 
                    814:     if (writer == NULL) {
                    815:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    816:                         "xmlTextWriterEndComment : invalid writer!\n");
                    817:         return -1;
                    818:     }
                    819: 
                    820:     lk = xmlListFront(writer->nodes);
                    821:     if (lk == 0) {
                    822:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    823:                         "xmlTextWriterEndComment : not allowed in this context!\n");
                    824:         return -1;
                    825:     }
                    826: 
                    827:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                    828:     if (p == 0)
                    829:         return -1;
                    830: 
                    831:     sum = 0;
                    832:     switch (p->state) {
                    833:         case XML_TEXTWRITER_COMMENT:
                    834:             count = xmlOutputBufferWriteString(writer->out, "-->");
                    835:             if (count < 0)
                    836:                 return -1;
                    837:             sum += count;
                    838:             break;
                    839:         default:
                    840:             return -1;
                    841:     }
                    842: 
                    843:     if (writer->indent) {
                    844:         count = xmlOutputBufferWriteString(writer->out, "\n");
                    845:         if (count < 0)
                    846:             return -1;
                    847:         sum += count;
                    848:     }
                    849: 
                    850:     xmlListPopFront(writer->nodes);
                    851:     return sum;
                    852: }
                    853: 
                    854: /**
                    855:  * xmlTextWriterWriteFormatComment:
                    856:  * @writer:  the xmlTextWriterPtr
                    857:  * @format:  format string (see printf)
                    858:  * @...:  extra parameters for the format
                    859:  *
                    860:  * Write an xml comment.
                    861:  *
                    862:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    863:  */
                    864: int XMLCDECL
                    865: xmlTextWriterWriteFormatComment(xmlTextWriterPtr writer,
                    866:                                 const char *format, ...)
                    867: {
                    868:     int rc;
                    869:     va_list ap;
                    870: 
                    871:     va_start(ap, format);
                    872: 
                    873:     rc = xmlTextWriterWriteVFormatComment(writer, format, ap);
                    874: 
                    875:     va_end(ap);
                    876:     return rc;
                    877: }
                    878: 
                    879: /**
                    880:  * xmlTextWriterWriteVFormatComment:
                    881:  * @writer:  the xmlTextWriterPtr
                    882:  * @format:  format string (see printf)
                    883:  * @argptr:  pointer to the first member of the variable argument list.
                    884:  *
                    885:  * Write an xml comment.
                    886:  *
                    887:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    888:  */
                    889: int
                    890: xmlTextWriterWriteVFormatComment(xmlTextWriterPtr writer,
                    891:                                  const char *format, va_list argptr)
                    892: {
                    893:     int rc;
                    894:     xmlChar *buf;
                    895: 
                    896:     if (writer == NULL) {
                    897:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                    898:                         "xmlTextWriterWriteVFormatComment : invalid writer!\n");
                    899:         return -1;
                    900:     }
                    901: 
                    902:     buf = xmlTextWriterVSprintf(format, argptr);
                    903:     if (buf == NULL)
                    904:         return -1;
                    905: 
                    906:     rc = xmlTextWriterWriteComment(writer, buf);
                    907: 
                    908:     xmlFree(buf);
                    909:     return rc;
                    910: }
                    911: 
                    912: /**
                    913:  * xmlTextWriterWriteComment:
                    914:  * @writer:  the xmlTextWriterPtr
                    915:  * @content:  comment string
                    916:  *
                    917:  * Write an xml comment.
                    918:  *
                    919:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    920:  */
                    921: int
                    922: xmlTextWriterWriteComment(xmlTextWriterPtr writer, const xmlChar * content)
                    923: {
                    924:     int count;
                    925:     int sum;
                    926: 
                    927:     sum = 0;
                    928:     count = xmlTextWriterStartComment(writer);
                    929:     if (count < 0)
                    930:         return -1;
                    931:     sum += count;
                    932:     count = xmlTextWriterWriteString(writer, content);
                    933:     if (count < 0)
                    934:         return -1;
                    935:     sum += count;
                    936:     count = xmlTextWriterEndComment(writer);
                    937:     if (count < 0)
                    938:         return -1;
                    939:     sum += count;
                    940: 
                    941:     return sum;
                    942: }
                    943: 
                    944: /**
                    945:  * xmlTextWriterStartElement:
                    946:  * @writer:  the xmlTextWriterPtr
                    947:  * @name:  element name
                    948:  *
                    949:  * Start an xml element.
                    950:  *
                    951:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                    952:  */
                    953: int
                    954: xmlTextWriterStartElement(xmlTextWriterPtr writer, const xmlChar * name)
                    955: {
                    956:     int count;
                    957:     int sum;
                    958:     xmlLinkPtr lk;
                    959:     xmlTextWriterStackEntry *p;
                    960: 
                    961:     if ((writer == NULL) || (name == NULL) || (*name == '\0'))
                    962:         return -1;
                    963: 
                    964:     sum = 0;
                    965:     lk = xmlListFront(writer->nodes);
                    966:     if (lk != 0) {
                    967:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                    968:         if (p != 0) {
                    969:             switch (p->state) {
                    970:                 case XML_TEXTWRITER_PI:
                    971:                 case XML_TEXTWRITER_PI_TEXT:
                    972:                     return -1;
                    973:                 case XML_TEXTWRITER_NONE:
                    974:                     break;
                    975:                                case XML_TEXTWRITER_ATTRIBUTE:
                    976:                                        count = xmlTextWriterEndAttribute(writer);
                    977:                                        if (count < 0)
                    978:                                                return -1;
                    979:                                        sum += count;
                    980:                                        /* fallthrough */
                    981:                 case XML_TEXTWRITER_NAME:
                    982:                     /* Output namespace declarations */
                    983:                     count = xmlTextWriterOutputNSDecl(writer);
                    984:                     if (count < 0)
                    985:                         return -1;
                    986:                     sum += count;
                    987:                     count = xmlOutputBufferWriteString(writer->out, ">");
                    988:                     if (count < 0)
                    989:                         return -1;
                    990:                     sum += count;
                    991:                     if (writer->indent)
                    992:                         count =
                    993:                             xmlOutputBufferWriteString(writer->out, "\n");
                    994:                     p->state = XML_TEXTWRITER_TEXT;
                    995:                     break;
                    996:                 default:
                    997:                     break;
                    998:             }
                    999:         }
                   1000:     }
                   1001: 
                   1002:     p = (xmlTextWriterStackEntry *)
                   1003:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   1004:     if (p == 0) {
                   1005:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   1006:                         "xmlTextWriterStartElement : out of memory!\n");
                   1007:         return -1;
                   1008:     }
                   1009: 
                   1010:     p->name = xmlStrdup(name);
                   1011:     if (p->name == 0) {
                   1012:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   1013:                         "xmlTextWriterStartElement : out of memory!\n");
                   1014:         xmlFree(p);
                   1015:         return -1;
                   1016:     }
                   1017:     p->state = XML_TEXTWRITER_NAME;
                   1018: 
                   1019:     xmlListPushFront(writer->nodes, p);
                   1020: 
                   1021:     if (writer->indent) {
                   1022:         count = xmlTextWriterWriteIndent(writer);
                   1023:         sum += count;
                   1024:     }
                   1025: 
                   1026:     count = xmlOutputBufferWriteString(writer->out, "<");
                   1027:     if (count < 0)
                   1028:         return -1;
                   1029:     sum += count;
                   1030:     count =
                   1031:         xmlOutputBufferWriteString(writer->out, (const char *) p->name);
                   1032:     if (count < 0)
                   1033:         return -1;
                   1034:     sum += count;
                   1035: 
                   1036:     return sum;
                   1037: }
                   1038: 
                   1039: /**
                   1040:  * xmlTextWriterStartElementNS:
                   1041:  * @writer:  the xmlTextWriterPtr
                   1042:  * @prefix:  namespace prefix or NULL
                   1043:  * @name:  element local name
                   1044:  * @namespaceURI:  namespace URI or NULL
                   1045:  *
                   1046:  * Start an xml element with namespace support.
                   1047:  *
                   1048:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1049:  */
                   1050: int
                   1051: xmlTextWriterStartElementNS(xmlTextWriterPtr writer,
                   1052:                             const xmlChar * prefix, const xmlChar * name,
                   1053:                             const xmlChar * namespaceURI)
                   1054: {
                   1055:     int count;
                   1056:     int sum;
                   1057:     xmlChar *buf;
                   1058: 
                   1059:     if ((writer == NULL) || (name == NULL) || (*name == '\0'))
                   1060:         return -1;
                   1061: 
                   1062:     buf = NULL;
                   1063:     if (prefix != 0) {
                   1064:         buf = xmlStrdup(prefix);
                   1065:         buf = xmlStrcat(buf, BAD_CAST ":");
                   1066:     }
                   1067:     buf = xmlStrcat(buf, name);
                   1068: 
                   1069:     sum = 0;
                   1070:     count = xmlTextWriterStartElement(writer, buf);
                   1071:     xmlFree(buf);
                   1072:     if (count < 0)
                   1073:         return -1;
                   1074:     sum += count;
                   1075: 
                   1076:     if (namespaceURI != 0) {
                   1077:         xmlTextWriterNsStackEntry *p = (xmlTextWriterNsStackEntry *) 
                   1078:         xmlMalloc(sizeof(xmlTextWriterNsStackEntry));
                   1079:         if (p == 0) {
                   1080:             xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY, 
                   1081:                             "xmlTextWriterStartElementNS : out of memory!\n");
                   1082:             return -1;
                   1083:         }
                   1084: 
                   1085:         buf = xmlStrdup(BAD_CAST "xmlns");
                   1086:         if (prefix != 0) {
                   1087:             buf = xmlStrcat(buf, BAD_CAST ":");
                   1088:             buf = xmlStrcat(buf, prefix);
                   1089:         }
                   1090: 
                   1091:         p->prefix = buf;
                   1092:         p->uri = xmlStrdup(namespaceURI);
                   1093:         if (p->uri == 0) {
                   1094:             xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   1095:                             "xmlTextWriterStartElementNS : out of memory!\n");
                   1096:             xmlFree(p);
                   1097:             return -1;
                   1098:         }
                   1099:         p->elem = xmlListFront(writer->nodes);
                   1100: 
                   1101:         xmlListPushFront(writer->nsstack, p);
                   1102:     }
                   1103: 
                   1104:     return sum;
                   1105: }
                   1106: 
                   1107: /**
                   1108:  * xmlTextWriterEndElement:
                   1109:  * @writer:  the xmlTextWriterPtr
                   1110:  *
                   1111:  * End the current xml element.
                   1112:  *
                   1113:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1114:  */
                   1115: int
                   1116: xmlTextWriterEndElement(xmlTextWriterPtr writer)
                   1117: {
                   1118:     int count;
                   1119:     int sum;
                   1120:     xmlLinkPtr lk;
                   1121:     xmlTextWriterStackEntry *p;
                   1122: 
                   1123:     if (writer == NULL)
                   1124:         return -1;
                   1125: 
                   1126:     lk = xmlListFront(writer->nodes);
                   1127:     if (lk == 0) {
                   1128:         xmlListDelete(writer->nsstack);
                   1129:         writer->nsstack = NULL;
                   1130:         return -1;
                   1131:     }
                   1132: 
                   1133:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1134:     if (p == 0) {
                   1135:         xmlListDelete(writer->nsstack);
                   1136:         writer->nsstack = NULL;
                   1137:         return -1;
                   1138:     }
                   1139: 
                   1140:     sum = 0;
                   1141:     switch (p->state) {
                   1142:         case XML_TEXTWRITER_ATTRIBUTE:
                   1143:             count = xmlTextWriterEndAttribute(writer);
                   1144:             if (count < 0) {
                   1145:                 xmlListDelete(writer->nsstack);
                   1146:                 writer->nsstack = NULL;
                   1147:                 return -1;
                   1148:             }
                   1149:             sum += count;
                   1150:             /* fallthrough */
                   1151:         case XML_TEXTWRITER_NAME:
                   1152:             /* Output namespace declarations */
                   1153:             count = xmlTextWriterOutputNSDecl(writer);
                   1154:             if (count < 0)
                   1155:                 return -1;
                   1156:             sum += count;
                   1157: 
                   1158:             if (writer->indent) /* next element needs indent */
                   1159:                 writer->doindent = 1;
                   1160:             count = xmlOutputBufferWriteString(writer->out, "/>");
                   1161:             if (count < 0)
                   1162:                 return -1;
                   1163:             sum += count;
                   1164:             break;
                   1165:         case XML_TEXTWRITER_TEXT:
                   1166:             if ((writer->indent) && (writer->doindent)) {
                   1167:                 count = xmlTextWriterWriteIndent(writer);
                   1168:                 sum += count;
                   1169:                 writer->doindent = 1;
                   1170:             } else
                   1171:                 writer->doindent = 1;
                   1172:             count = xmlOutputBufferWriteString(writer->out, "</");
                   1173:             if (count < 0)
                   1174:                 return -1;
                   1175:             sum += count;
                   1176:             count = xmlOutputBufferWriteString(writer->out,
                   1177:                                                (const char *) p->name);
                   1178:             if (count < 0)
                   1179:                 return -1;
                   1180:             sum += count;
                   1181:             count = xmlOutputBufferWriteString(writer->out, ">");
                   1182:             if (count < 0)
                   1183:                 return -1;
                   1184:             sum += count;
                   1185:             break;
                   1186:         default:
                   1187:             return -1;
                   1188:     }
                   1189: 
                   1190:     if (writer->indent) {
                   1191:         count = xmlOutputBufferWriteString(writer->out, "\n");
                   1192:         sum += count;
                   1193:     }
                   1194: 
                   1195:     xmlListPopFront(writer->nodes);
                   1196:     return sum;
                   1197: }
                   1198: 
                   1199: /**
                   1200:  * xmlTextWriterFullEndElement:
                   1201:  * @writer:  the xmlTextWriterPtr
                   1202:  *
                   1203:  * End the current xml element. Writes an end tag even if the element is empty
                   1204:  *
                   1205:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1206:  */
                   1207: int
                   1208: xmlTextWriterFullEndElement(xmlTextWriterPtr writer)
                   1209: {
                   1210:     int count;
                   1211:     int sum;
                   1212:     xmlLinkPtr lk;
                   1213:     xmlTextWriterStackEntry *p;
                   1214: 
                   1215:     if (writer == NULL)
                   1216:         return -1;
                   1217: 
                   1218:     lk = xmlListFront(writer->nodes);
                   1219:     if (lk == 0)
                   1220:         return -1;
                   1221: 
                   1222:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1223:     if (p == 0)
                   1224:         return -1;
                   1225: 
                   1226:     sum = 0;
                   1227:     switch (p->state) {
                   1228:         case XML_TEXTWRITER_ATTRIBUTE:
                   1229:             count = xmlTextWriterEndAttribute(writer);
                   1230:             if (count < 0)
                   1231:                 return -1;
                   1232:             sum += count;
                   1233:             /* fallthrough */
                   1234:         case XML_TEXTWRITER_NAME:
                   1235:             /* Output namespace declarations */
                   1236:             count = xmlTextWriterOutputNSDecl(writer);
                   1237:             if (count < 0)
                   1238:                 return -1;
                   1239:             sum += count;
                   1240: 
                   1241:             count = xmlOutputBufferWriteString(writer->out, ">");
                   1242:             if (count < 0)
                   1243:                 return -1;
                   1244:             sum += count;
                   1245:             if (writer->indent)
                   1246:                 writer->doindent = 0;
                   1247:             /* fallthrough */
                   1248:         case XML_TEXTWRITER_TEXT:
                   1249:             if ((writer->indent) && (writer->doindent)) {
                   1250:                 count = xmlTextWriterWriteIndent(writer);
                   1251:                 sum += count;
                   1252:                 writer->doindent = 1;
                   1253:             } else
                   1254:                 writer->doindent = 1;
                   1255:             count = xmlOutputBufferWriteString(writer->out, "</");
                   1256:             if (count < 0)
                   1257:                 return -1;
                   1258:             sum += count;
                   1259:             count = xmlOutputBufferWriteString(writer->out,
                   1260:                                                (const char *) p->name);
                   1261:             if (count < 0)
                   1262:                 return -1;
                   1263:             sum += count;
                   1264:             count = xmlOutputBufferWriteString(writer->out, ">");
                   1265:             if (count < 0)
                   1266:                 return -1;
                   1267:             sum += count;
                   1268:             break;
                   1269:         default:
                   1270:             return -1;
                   1271:     }
                   1272: 
                   1273:     if (writer->indent) {
                   1274:         count = xmlOutputBufferWriteString(writer->out, "\n");
                   1275:         sum += count;
                   1276:     }
                   1277: 
                   1278:     xmlListPopFront(writer->nodes);
                   1279:     return sum;
                   1280: }
                   1281: 
                   1282: /**
                   1283:  * xmlTextWriterWriteFormatRaw:
                   1284:  * @writer:  the xmlTextWriterPtr
                   1285:  * @format:  format string (see printf)
                   1286:  * @...:  extra parameters for the format
                   1287:  *
                   1288:  * Write a formatted raw xml text.
                   1289:  *
                   1290:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1291:  */
                   1292: int XMLCDECL
                   1293: xmlTextWriterWriteFormatRaw(xmlTextWriterPtr writer, const char *format,
                   1294:                             ...)
                   1295: {
                   1296:     int rc;
                   1297:     va_list ap;
                   1298: 
                   1299:     va_start(ap, format);
                   1300: 
                   1301:     rc = xmlTextWriterWriteVFormatRaw(writer, format, ap);
                   1302: 
                   1303:     va_end(ap);
                   1304:     return rc;
                   1305: }
                   1306: 
                   1307: /**
                   1308:  * xmlTextWriterWriteVFormatRaw:
                   1309:  * @writer:  the xmlTextWriterPtr
                   1310:  * @format:  format string (see printf)
                   1311:  * @argptr:  pointer to the first member of the variable argument list.
                   1312:  *
                   1313:  * Write a formatted raw xml text.
                   1314:  *
                   1315:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1316:  */
                   1317: int
                   1318: xmlTextWriterWriteVFormatRaw(xmlTextWriterPtr writer, const char *format,
                   1319:                              va_list argptr)
                   1320: {
                   1321:     int rc;
                   1322:     xmlChar *buf;
                   1323: 
                   1324:     if (writer == NULL)
                   1325:         return -1;
                   1326: 
                   1327:     buf = xmlTextWriterVSprintf(format, argptr);
                   1328:     if (buf == NULL)
                   1329:         return -1;
                   1330: 
                   1331:     rc = xmlTextWriterWriteRaw(writer, buf);
                   1332: 
                   1333:     xmlFree(buf);
                   1334:     return rc;
                   1335: }
                   1336: 
                   1337: /**
                   1338:  * xmlTextWriterWriteRawLen:
                   1339:  * @writer:  the xmlTextWriterPtr
                   1340:  * @content:  text string
                   1341:  * @len:  length of the text string
                   1342:  *
                   1343:  * Write an xml text.
                   1344:  * TODO: what about entities and special chars??
                   1345:  *
                   1346:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1347:  */
                   1348: int
                   1349: xmlTextWriterWriteRawLen(xmlTextWriterPtr writer, const xmlChar * content,
                   1350:                          int len)
                   1351: {
                   1352:     int count;
                   1353:     int sum;
                   1354:     xmlLinkPtr lk;
                   1355:     xmlTextWriterStackEntry *p;
                   1356: 
                   1357:     if (writer == NULL) {
                   1358:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   1359:                         "xmlTextWriterWriteRawLen : invalid writer!\n");
                   1360:         return -1;
                   1361:     }
                   1362: 
                   1363:     if ((content == NULL) || (len < 0)) {
                   1364:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   1365:                         "xmlTextWriterWriteRawLen : invalid content!\n");
                   1366:         return -1;
                   1367:     }
                   1368: 
                   1369:     sum = 0;
                   1370:     lk = xmlListFront(writer->nodes);
                   1371:     if (lk != 0) {
                   1372:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1373:         count = xmlTextWriterHandleStateDependencies(writer, p);
                   1374:         if (count < 0)
                   1375:             return -1;
                   1376:         sum += count;
                   1377:     }
                   1378: 
                   1379:     if (writer->indent)
                   1380:         writer->doindent = 0;
                   1381: 
                   1382:     if (content != NULL) {
                   1383:         count =
                   1384:             xmlOutputBufferWrite(writer->out, len, (const char *) content);
                   1385:         if (count < 0)
                   1386:             return -1;
                   1387:         sum += count;
                   1388:     }
                   1389: 
                   1390:     return sum;
                   1391: }
                   1392: 
                   1393: /**
                   1394:  * xmlTextWriterWriteRaw:
                   1395:  * @writer:  the xmlTextWriterPtr
                   1396:  * @content:  text string
                   1397:  *
                   1398:  * Write a raw xml text.
                   1399:  *
                   1400:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1401:  */
                   1402: int
                   1403: xmlTextWriterWriteRaw(xmlTextWriterPtr writer, const xmlChar * content)
                   1404: {
                   1405:     return xmlTextWriterWriteRawLen(writer, content, xmlStrlen(content));
                   1406: }
                   1407: 
                   1408: /**
                   1409:  * xmlTextWriterWriteFormatString:
                   1410:  * @writer:  the xmlTextWriterPtr
                   1411:  * @format:  format string (see printf)
                   1412:  * @...:  extra parameters for the format
                   1413:  *
                   1414:  * Write a formatted xml text.
                   1415:  *
                   1416:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1417:  */
                   1418: int XMLCDECL
                   1419: xmlTextWriterWriteFormatString(xmlTextWriterPtr writer, const char *format,
                   1420:                                ...)
                   1421: {
                   1422:     int rc;
                   1423:     va_list ap;
                   1424: 
                   1425:     if ((writer == NULL) || (format == NULL))
                   1426:         return -1;
                   1427: 
                   1428:     va_start(ap, format);
                   1429: 
                   1430:     rc = xmlTextWriterWriteVFormatString(writer, format, ap);
                   1431: 
                   1432:     va_end(ap);
                   1433:     return rc;
                   1434: }
                   1435: 
                   1436: /**
                   1437:  * xmlTextWriterWriteVFormatString:
                   1438:  * @writer:  the xmlTextWriterPtr
                   1439:  * @format:  format string (see printf)
                   1440:  * @argptr:  pointer to the first member of the variable argument list.
                   1441:  *
                   1442:  * Write a formatted xml text.
                   1443:  *
                   1444:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1445:  */
                   1446: int
                   1447: xmlTextWriterWriteVFormatString(xmlTextWriterPtr writer,
                   1448:                                 const char *format, va_list argptr)
                   1449: {
                   1450:     int rc;
                   1451:     xmlChar *buf;
                   1452: 
                   1453:     if ((writer == NULL) || (format == NULL))
                   1454:         return -1;
                   1455: 
                   1456:     buf = xmlTextWriterVSprintf(format, argptr);
                   1457:     if (buf == NULL)
                   1458:         return -1;
                   1459: 
                   1460:     rc = xmlTextWriterWriteString(writer, buf);
                   1461: 
                   1462:     xmlFree(buf);
                   1463:     return rc;
                   1464: }
                   1465: 
                   1466: /**
                   1467:  * xmlTextWriterWriteString:
                   1468:  * @writer:  the xmlTextWriterPtr
                   1469:  * @content:  text string
                   1470:  *
                   1471:  * Write an xml text.
                   1472:  *
                   1473:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1474:  */
                   1475: int
                   1476: xmlTextWriterWriteString(xmlTextWriterPtr writer, const xmlChar * content)
                   1477: {
                   1478:     int count;
                   1479:     int sum;
                   1480:     xmlLinkPtr lk;
                   1481:     xmlTextWriterStackEntry *p;
                   1482:     xmlChar *buf;
                   1483: 
                   1484:     if ((writer == NULL) || (content == NULL))
                   1485:         return -1;
                   1486: 
                   1487:     sum = 0;
                   1488:     buf = (xmlChar *) content;
                   1489:     lk = xmlListFront(writer->nodes);
                   1490:     if (lk != 0) {
                   1491:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1492:         if (p != 0) {
                   1493:             switch (p->state) {
                   1494:                 case XML_TEXTWRITER_NAME:
                   1495:                 case XML_TEXTWRITER_TEXT:
                   1496: #if 0
                   1497:                     buf = NULL;
                   1498:                    xmlOutputBufferWriteEscape(writer->out, content, NULL);
                   1499: #endif
                   1500:                     buf = xmlEncodeSpecialChars(NULL, content);
                   1501:                     break;
                   1502:                 case XML_TEXTWRITER_ATTRIBUTE:
                   1503:                     buf = NULL;
                   1504:                     xmlAttrSerializeTxtContent(writer->out->buffer, writer->doc,
                   1505:                                                NULL, content);
                   1506:                     break;
                   1507:                default:
                   1508:                    break;
                   1509:             }
                   1510:         }
                   1511:     }
                   1512: 
                   1513:     if (buf != NULL) {
                   1514:         count = xmlTextWriterWriteRaw(writer, buf);
                   1515: 
                   1516:         if (buf != content)     /* buf was allocated by us, so free it */
                   1517:             xmlFree(buf);
                   1518: 
                   1519:         if (count < 0)
                   1520:             return -1;
                   1521:         sum += count;
                   1522:     }
                   1523: 
                   1524:     return sum;
                   1525: }
                   1526: 
                   1527: /**
                   1528:  * xmlOutputBufferWriteBase64:
                   1529:  * @out: the xmlOutputBufferPtr
                   1530:  * @data:   binary data
                   1531:  * @len:  the number of bytes to encode
                   1532:  *
                   1533:  * Write base64 encoded data to an xmlOutputBuffer.
                   1534:  * Adapted from John Walker's base64.c (http://www.fourmilab.ch/).
                   1535:  *
                   1536:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1537:  */
                   1538: static int
                   1539: xmlOutputBufferWriteBase64(xmlOutputBufferPtr out, int len,
                   1540:                            const unsigned char *data)
                   1541: {
                   1542:     static unsigned char dtable[64] =
                   1543:             {'A','B','C','D','E','F','G','H','I','J','K','L','M',
                   1544:             'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
                   1545:             'a','b','c','d','e','f','g','h','i','j','k','l','m',
                   1546:             'n','o','p','q','r','s','t','u','v','w','x','y','z',
                   1547:             '0','1','2','3','4','5','6','7','8','9','+','/'};
                   1548: 
                   1549:     int i;
                   1550:     int linelen;
                   1551:     int count;
                   1552:     int sum;
                   1553: 
                   1554:     if ((out == NULL) || (len < 0) || (data == NULL))
                   1555:         return(-1);
                   1556: 
                   1557:     linelen = 0;
                   1558:     sum = 0;
                   1559: 
                   1560:     i = 0;
                   1561:     while (1) {
                   1562:         unsigned char igroup[3];
                   1563:         unsigned char ogroup[4];
                   1564:         int c;
                   1565:         int n;
                   1566: 
                   1567:         igroup[0] = igroup[1] = igroup[2] = 0;
                   1568:         for (n = 0; n < 3 && i < len; n++, i++) {
                   1569:             c = data[i];
                   1570:             igroup[n] = (unsigned char) c;
                   1571:         }
                   1572: 
                   1573:         if (n > 0) {
                   1574:             ogroup[0] = dtable[igroup[0] >> 2];
                   1575:             ogroup[1] = dtable[((igroup[0] & 3) << 4) | (igroup[1] >> 4)];
                   1576:             ogroup[2] =
                   1577:                 dtable[((igroup[1] & 0xF) << 2) | (igroup[2] >> 6)];
                   1578:             ogroup[3] = dtable[igroup[2] & 0x3F];
                   1579: 
                   1580:             if (n < 3) {
                   1581:                 ogroup[3] = '=';
                   1582:                 if (n < 2) {
                   1583:                     ogroup[2] = '=';
                   1584:                 }
                   1585:             }
                   1586: 
                   1587:             if (linelen >= B64LINELEN) {
                   1588:                 count = xmlOutputBufferWrite(out, 2, B64CRLF);
                   1589:                 if (count == -1)
                   1590:                     return -1;
                   1591:                 sum += count;
                   1592:                 linelen = 0;
                   1593:             }
                   1594:             count = xmlOutputBufferWrite(out, 4, (const char *) ogroup);
                   1595:             if (count == -1)
                   1596:                 return -1;
                   1597:             sum += count;
                   1598: 
                   1599:             linelen += 4;
                   1600:         }
                   1601: 
                   1602:         if (i >= len)
                   1603:             break;
                   1604:     }
                   1605: 
                   1606:     return sum;
                   1607: }
                   1608: 
                   1609: /**
                   1610:  * xmlTextWriterWriteBase64:
                   1611:  * @writer: the xmlTextWriterPtr
                   1612:  * @data:   binary data
                   1613:  * @start:  the position within the data of the first byte to encode
                   1614:  * @len:  the number of bytes to encode
                   1615:  *
                   1616:  * Write an base64 encoded xml text.
                   1617:  *
                   1618:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1619:  */
                   1620: int
                   1621: xmlTextWriterWriteBase64(xmlTextWriterPtr writer, const char *data,
                   1622:                          int start, int len)
                   1623: {
                   1624:     int count;
                   1625:     int sum;
                   1626:     xmlLinkPtr lk;
                   1627:     xmlTextWriterStackEntry *p;
                   1628: 
                   1629:     if ((writer == NULL) || (data == NULL) || (start < 0) || (len < 0))
                   1630:         return -1;
                   1631: 
                   1632:     sum = 0;
                   1633:     lk = xmlListFront(writer->nodes);
                   1634:     if (lk != 0) {
                   1635:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1636:         if (p != 0) {
                   1637:             count = xmlTextWriterHandleStateDependencies(writer, p);
                   1638:             if (count < 0)
                   1639:                 return -1;
                   1640:             sum += count;
                   1641:         }
                   1642:     }
                   1643: 
                   1644:     if (writer->indent)
                   1645:         writer->doindent = 0;
                   1646: 
                   1647:     count =
                   1648:         xmlOutputBufferWriteBase64(writer->out, len,
                   1649:                                    (unsigned char *) data + start);
                   1650:     if (count < 0)
                   1651:         return -1;
                   1652:     sum += count;
                   1653: 
                   1654:     return sum;
                   1655: }
                   1656: 
                   1657: /**
                   1658:  * xmlOutputBufferWriteBinHex:
                   1659:  * @out: the xmlOutputBufferPtr
                   1660:  * @data:   binary data
                   1661:  * @len:  the number of bytes to encode
                   1662:  *
                   1663:  * Write hqx encoded data to an xmlOutputBuffer.
                   1664:  * ::todo
                   1665:  *
                   1666:  * Returns the bytes written (may be 0 because of buffering) 
                   1667:  * or -1 in case of error
                   1668:  */
                   1669: static int
                   1670: xmlOutputBufferWriteBinHex(xmlOutputBufferPtr out,
                   1671:                            int len, const unsigned char *data)
                   1672: {
                   1673:     int count;
                   1674:     int sum;
                   1675:     static char hex[16] = 
                   1676:        {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
                   1677:     int i;
                   1678: 
                   1679:     if ((out == NULL) || (data == NULL) || (len < 0)) {
                   1680:         return -1;
                   1681:     }
                   1682: 
                   1683:     sum = 0;
                   1684:     for (i = 0; i < len; i++) {
                   1685:         count =
                   1686:             xmlOutputBufferWrite(out, 1,
                   1687:                                  (const char *) &hex[data[i] >> 4]);
                   1688:         if (count == -1)
                   1689:             return -1;
                   1690:         sum += count;
                   1691:         count =
                   1692:             xmlOutputBufferWrite(out, 1,
                   1693:                                  (const char *) &hex[data[i] & 0xF]);
                   1694:         if (count == -1)
                   1695:             return -1;
                   1696:         sum += count;
                   1697:     }
                   1698: 
                   1699:     return sum;
                   1700: }
                   1701: 
                   1702: /**
                   1703:  * xmlTextWriterWriteBinHex:
                   1704:  * @writer: the xmlTextWriterPtr
                   1705:  * @data:   binary data
                   1706:  * @start:  the position within the data of the first byte to encode
                   1707:  * @len:  the number of bytes to encode
                   1708:  *
                   1709:  * Write a BinHex encoded xml text.
                   1710:  *
                   1711:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1712:  */
                   1713: int
                   1714: xmlTextWriterWriteBinHex(xmlTextWriterPtr writer, const char *data,
                   1715:                          int start, int len)
                   1716: {
                   1717:     int count;
                   1718:     int sum;
                   1719:     xmlLinkPtr lk;
                   1720:     xmlTextWriterStackEntry *p;
                   1721: 
                   1722:     if ((writer == NULL) || (data == NULL) || (start < 0) || (len < 0))
                   1723:         return -1;
                   1724: 
                   1725:     sum = 0;
                   1726:     lk = xmlListFront(writer->nodes);
                   1727:     if (lk != 0) {
                   1728:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1729:         if (p != 0) {
                   1730:             count = xmlTextWriterHandleStateDependencies(writer, p);
                   1731:             if (count < 0)
                   1732:                 return -1;
                   1733:             sum += count;
                   1734:         }
                   1735:     }
                   1736: 
                   1737:     if (writer->indent)
                   1738:         writer->doindent = 0;
                   1739: 
                   1740:     count =
                   1741:         xmlOutputBufferWriteBinHex(writer->out, len,
                   1742:                                    (unsigned char *) data + start);
                   1743:     if (count < 0)
                   1744:         return -1;
                   1745:     sum += count;
                   1746: 
                   1747:     return sum;
                   1748: }
                   1749: 
                   1750: /**
                   1751:  * xmlTextWriterStartAttribute:
                   1752:  * @writer:  the xmlTextWriterPtr
                   1753:  * @name:  element name
                   1754:  *
                   1755:  * Start an xml attribute.
                   1756:  *
                   1757:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1758:  */
                   1759: int
                   1760: xmlTextWriterStartAttribute(xmlTextWriterPtr writer, const xmlChar * name)
                   1761: {
                   1762:     int count;
                   1763:     int sum;
                   1764:     xmlLinkPtr lk;
                   1765:     xmlTextWriterStackEntry *p;
                   1766: 
                   1767:     if ((writer == NULL) || (name == NULL) || (*name == '\0'))
                   1768:         return -1;
                   1769: 
                   1770:     sum = 0;
                   1771:     lk = xmlListFront(writer->nodes);
                   1772:     if (lk == 0)
                   1773:         return -1;
                   1774: 
                   1775:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1776:     if (p == 0)
                   1777:         return -1;
                   1778: 
                   1779:     switch (p->state) {
                   1780:         case XML_TEXTWRITER_ATTRIBUTE:
                   1781:             count = xmlTextWriterEndAttribute(writer);
                   1782:             if (count < 0)
                   1783:                 return -1;
                   1784:             sum += count;
                   1785:             /* fallthrough */
                   1786:         case XML_TEXTWRITER_NAME:
                   1787:             count = xmlOutputBufferWriteString(writer->out, " ");
                   1788:             if (count < 0)
                   1789:                 return -1;
                   1790:             sum += count;
                   1791:             count =
                   1792:                 xmlOutputBufferWriteString(writer->out,
                   1793:                                            (const char *) name);
                   1794:             if (count < 0)
                   1795:                 return -1;
                   1796:             sum += count;
                   1797:             count = xmlOutputBufferWriteString(writer->out, "=");
                   1798:             if (count < 0)
                   1799:                 return -1;
                   1800:             sum += count;
                   1801:             count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   1802:             if (count < 0)
                   1803:                 return -1;
                   1804:             sum += count;
                   1805:             p->state = XML_TEXTWRITER_ATTRIBUTE;
                   1806:             break;
                   1807:         default:
                   1808:             return -1;
                   1809:     }
                   1810: 
                   1811:     return sum;
                   1812: }
                   1813: 
                   1814: /**
                   1815:  * xmlTextWriterStartAttributeNS:
                   1816:  * @writer:  the xmlTextWriterPtr
                   1817:  * @prefix:  namespace prefix or NULL
                   1818:  * @name:  element local name
                   1819:  * @namespaceURI:  namespace URI or NULL
                   1820:  *
                   1821:  * Start an xml attribute with namespace support.
                   1822:  *
                   1823:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1824:  */
                   1825: int
                   1826: xmlTextWriterStartAttributeNS(xmlTextWriterPtr writer,
                   1827:                               const xmlChar * prefix, const xmlChar * name,
                   1828:                               const xmlChar * namespaceURI)
                   1829: {
                   1830:     int count;
                   1831:     int sum;
                   1832:     xmlChar *buf;
                   1833:     xmlTextWriterNsStackEntry *p;
                   1834: 
                   1835:     if ((writer == NULL) || (name == NULL) || (*name == '\0'))
                   1836:         return -1;
                   1837: 
                   1838:     /* Handle namespace first in case of error */
                   1839:     if (namespaceURI != 0) {
                   1840:         xmlTextWriterNsStackEntry nsentry, *curns;
                   1841: 
                   1842:         buf = xmlStrdup(BAD_CAST "xmlns");
                   1843:         if (prefix != 0) {
                   1844:             buf = xmlStrcat(buf, BAD_CAST ":");
                   1845:             buf = xmlStrcat(buf, prefix);
                   1846:         }
                   1847: 
                   1848:         nsentry.prefix = buf;
                   1849:         nsentry.uri = (xmlChar *)namespaceURI;
                   1850:         nsentry.elem = xmlListFront(writer->nodes);
                   1851: 
                   1852:         curns = (xmlTextWriterNsStackEntry *)xmlListSearch(writer->nsstack, 
                   1853:                                                            (void *)&nsentry);
                   1854:         if ((curns != NULL)) {
                   1855:             xmlFree(buf);
                   1856:             if (xmlStrcmp(curns->uri, namespaceURI) == 0) {
                   1857:                 /* Namespace already defined on element skip */
                   1858:                 buf = NULL;
                   1859:             } else {
                   1860:                 /* Prefix mismatch so error out */
                   1861:                 return -1;
                   1862:             }
                   1863:         }
                   1864: 
                   1865:         /* Do not add namespace decl to list - it is already there */
                   1866:         if (buf != NULL) {
                   1867:             p = (xmlTextWriterNsStackEntry *)
                   1868:                 xmlMalloc(sizeof(xmlTextWriterNsStackEntry));
                   1869:             if (p == 0) {
                   1870:                 xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   1871:                                                                        "xmlTextWriterStartAttributeNS : out of memory!\n");
                   1872:                 return -1;
                   1873:             }
                   1874: 
                   1875:             p->prefix = buf;
                   1876:             p->uri = xmlStrdup(namespaceURI);
                   1877:             if (p->uri == 0) {
                   1878:                 xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   1879:                         "xmlTextWriterStartAttributeNS : out of memory!\n");
                   1880:                 xmlFree(p);
                   1881:                 return -1;
                   1882:             }
                   1883:             p->elem = xmlListFront(writer->nodes);
                   1884: 
                   1885:             xmlListPushFront(writer->nsstack, p);
                   1886:         }
                   1887:     }
                   1888: 
                   1889:     buf = NULL;
                   1890:     if (prefix != 0) {
                   1891:         buf = xmlStrdup(prefix);
                   1892:         buf = xmlStrcat(buf, BAD_CAST ":");
                   1893:     }
                   1894:     buf = xmlStrcat(buf, name);
                   1895: 
                   1896:     sum = 0;
                   1897:     count = xmlTextWriterStartAttribute(writer, buf);
                   1898:     xmlFree(buf);
                   1899:     if (count < 0)
                   1900:         return -1;
                   1901:     sum += count;
                   1902: 
                   1903:     return sum;
                   1904: }
                   1905: 
                   1906: /**
                   1907:  * xmlTextWriterEndAttribute:
                   1908:  * @writer:  the xmlTextWriterPtr
                   1909:  *
                   1910:  * End the current xml element.
                   1911:  *
                   1912:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1913:  */
                   1914: int
                   1915: xmlTextWriterEndAttribute(xmlTextWriterPtr writer)
                   1916: {
                   1917:     int count;
                   1918:     int sum;
                   1919:     xmlLinkPtr lk;
                   1920:     xmlTextWriterStackEntry *p;
                   1921: 
                   1922:     if (writer == NULL)
                   1923:         return -1;
                   1924: 
                   1925:     lk = xmlListFront(writer->nodes);
                   1926:     if (lk == 0) {
                   1927:         return -1;
                   1928:     }
                   1929: 
                   1930:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   1931:     if (p == 0) {
                   1932:         return -1;
                   1933:     }
                   1934: 
                   1935:     sum = 0;
                   1936:     switch (p->state) {
                   1937:         case XML_TEXTWRITER_ATTRIBUTE:
                   1938:             p->state = XML_TEXTWRITER_NAME;
                   1939: 
                   1940:             count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   1941:             if (count < 0) {
                   1942:                 return -1;
                   1943:             }
                   1944:             sum += count;
                   1945:             break;
                   1946:         default:
                   1947:             return -1;
                   1948:     }
                   1949: 
                   1950:     return sum;
                   1951: }
                   1952: 
                   1953: /**
                   1954:  * xmlTextWriterWriteFormatAttribute:
                   1955:  * @writer:  the xmlTextWriterPtr
                   1956:  * @name:  attribute name
                   1957:  * @format:  format string (see printf)
                   1958:  * @...:  extra parameters for the format
                   1959:  *
                   1960:  * Write a formatted xml attribute.
                   1961:  *
                   1962:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1963:  */
                   1964: int XMLCDECL
                   1965: xmlTextWriterWriteFormatAttribute(xmlTextWriterPtr writer,
                   1966:                                   const xmlChar * name, const char *format,
                   1967:                                   ...)
                   1968: {
                   1969:     int rc;
                   1970:     va_list ap;
                   1971: 
                   1972:     va_start(ap, format);
                   1973: 
                   1974:     rc = xmlTextWriterWriteVFormatAttribute(writer, name, format, ap);
                   1975: 
                   1976:     va_end(ap);
                   1977:     return rc;
                   1978: }
                   1979: 
                   1980: /**
                   1981:  * xmlTextWriterWriteVFormatAttribute:
                   1982:  * @writer:  the xmlTextWriterPtr
                   1983:  * @name:  attribute name
                   1984:  * @format:  format string (see printf)
                   1985:  * @argptr:  pointer to the first member of the variable argument list.
                   1986:  *
                   1987:  * Write a formatted xml attribute.
                   1988:  *
                   1989:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   1990:  */
                   1991: int
                   1992: xmlTextWriterWriteVFormatAttribute(xmlTextWriterPtr writer,
                   1993:                                    const xmlChar * name,
                   1994:                                    const char *format, va_list argptr)
                   1995: {
                   1996:     int rc;
                   1997:     xmlChar *buf;
                   1998: 
                   1999:     if (writer == NULL)
                   2000:         return -1;
                   2001: 
                   2002:     buf = xmlTextWriterVSprintf(format, argptr);
                   2003:     if (buf == NULL)
                   2004:         return -1;
                   2005: 
                   2006:     rc = xmlTextWriterWriteAttribute(writer, name, buf);
                   2007: 
                   2008:     xmlFree(buf);
                   2009:     return rc;
                   2010: }
                   2011: 
                   2012: /**
                   2013:  * xmlTextWriterWriteAttribute:
                   2014:  * @writer:  the xmlTextWriterPtr
                   2015:  * @name:  attribute name
                   2016:  * @content:  attribute content
                   2017:  *
                   2018:  * Write an xml attribute.
                   2019:  *
                   2020:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2021:  */
                   2022: int
                   2023: xmlTextWriterWriteAttribute(xmlTextWriterPtr writer, const xmlChar * name,
                   2024:                             const xmlChar * content)
                   2025: {
                   2026:     int count;
                   2027:     int sum;
                   2028: 
                   2029:     sum = 0;
                   2030:     count = xmlTextWriterStartAttribute(writer, name);
                   2031:     if (count < 0)
                   2032:         return -1;
                   2033:     sum += count;
                   2034:     count = xmlTextWriterWriteString(writer, content);
                   2035:     if (count < 0)
                   2036:         return -1;
                   2037:     sum += count;
                   2038:     count = xmlTextWriterEndAttribute(writer);
                   2039:     if (count < 0)
                   2040:         return -1;
                   2041:     sum += count;
                   2042: 
                   2043:     return sum;
                   2044: }
                   2045: 
                   2046: /**
                   2047:  * xmlTextWriterWriteFormatAttributeNS:
                   2048:  * @writer:  the xmlTextWriterPtr
                   2049:  * @prefix:  namespace prefix
                   2050:  * @name:  attribute local name
                   2051:  * @namespaceURI:  namespace URI
                   2052:  * @format:  format string (see printf)
                   2053:  * @...:  extra parameters for the format
                   2054:  *
                   2055:  * Write a formatted xml attribute.with namespace support
                   2056:  *
                   2057:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2058:  */
                   2059: int XMLCDECL
                   2060: xmlTextWriterWriteFormatAttributeNS(xmlTextWriterPtr writer,
                   2061:                                     const xmlChar * prefix,
                   2062:                                     const xmlChar * name,
                   2063:                                     const xmlChar * namespaceURI,
                   2064:                                     const char *format, ...)
                   2065: {
                   2066:     int rc;
                   2067:     va_list ap;
                   2068: 
                   2069:     va_start(ap, format);
                   2070: 
                   2071:     rc = xmlTextWriterWriteVFormatAttributeNS(writer, prefix, name,
                   2072:                                               namespaceURI, format, ap);
                   2073: 
                   2074:     va_end(ap);
                   2075:     return rc;
                   2076: }
                   2077: 
                   2078: /**
                   2079:  * xmlTextWriterWriteVFormatAttributeNS:
                   2080:  * @writer:  the xmlTextWriterPtr
                   2081:  * @prefix:  namespace prefix
                   2082:  * @name:  attribute local name
                   2083:  * @namespaceURI:  namespace URI
                   2084:  * @format:  format string (see printf)
                   2085:  * @argptr:  pointer to the first member of the variable argument list.
                   2086:  *
                   2087:  * Write a formatted xml attribute.with namespace support
                   2088:  *
                   2089:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2090:  */
                   2091: int
                   2092: xmlTextWriterWriteVFormatAttributeNS(xmlTextWriterPtr writer,
                   2093:                                      const xmlChar * prefix,
                   2094:                                      const xmlChar * name,
                   2095:                                      const xmlChar * namespaceURI,
                   2096:                                      const char *format, va_list argptr)
                   2097: {
                   2098:     int rc;
                   2099:     xmlChar *buf;
                   2100: 
                   2101:     if (writer == NULL)
                   2102:         return -1;
                   2103: 
                   2104:     buf = xmlTextWriterVSprintf(format, argptr);
                   2105:     if (buf == NULL)
                   2106:         return -1;
                   2107: 
                   2108:     rc = xmlTextWriterWriteAttributeNS(writer, prefix, name, namespaceURI,
                   2109:                                        buf);
                   2110: 
                   2111:     xmlFree(buf);
                   2112:     return rc;
                   2113: }
                   2114: 
                   2115: /**
                   2116:  * xmlTextWriterWriteAttributeNS:
                   2117:  * @writer:  the xmlTextWriterPtr
                   2118:  * @prefix:  namespace prefix
                   2119:  * @name:  attribute local name
                   2120:  * @namespaceURI:  namespace URI
                   2121:  * @content:  attribute content
                   2122:  *
                   2123:  * Write an xml attribute.
                   2124:  *
                   2125:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2126:  */
                   2127: int
                   2128: xmlTextWriterWriteAttributeNS(xmlTextWriterPtr writer,
                   2129:                               const xmlChar * prefix, const xmlChar * name,
                   2130:                               const xmlChar * namespaceURI,
                   2131:                               const xmlChar * content)
                   2132: {
                   2133:     int count;
                   2134:     int sum;
                   2135: 
                   2136:     if ((writer == NULL) || (name == NULL) || (*name == '\0'))
                   2137:         return -1;
                   2138: 
                   2139:     sum = 0;
                   2140:     count = xmlTextWriterStartAttributeNS(writer, prefix, name, namespaceURI);
                   2141:     if (count < 0)
                   2142:         return -1;
                   2143:     sum += count;
                   2144:     count = xmlTextWriterWriteString(writer, content);
                   2145:     if (count < 0)
                   2146:         return -1;
                   2147:     sum += count;
                   2148:     count = xmlTextWriterEndAttribute(writer);
                   2149:     if (count < 0)
                   2150:         return -1;
                   2151:     sum += count;
                   2152: 
                   2153:     return sum;
                   2154: }
                   2155: 
                   2156: /**
                   2157:  * xmlTextWriterWriteFormatElement:
                   2158:  * @writer:  the xmlTextWriterPtr
                   2159:  * @name:  element name
                   2160:  * @format:  format string (see printf)
                   2161:  * @...:  extra parameters for the format
                   2162:  *
                   2163:  * Write a formatted xml element.
                   2164:  *
                   2165:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2166:  */
                   2167: int XMLCDECL
                   2168: xmlTextWriterWriteFormatElement(xmlTextWriterPtr writer,
                   2169:                                 const xmlChar * name, const char *format,
                   2170:                                 ...)
                   2171: {
                   2172:     int rc;
                   2173:     va_list ap;
                   2174: 
                   2175:     va_start(ap, format);
                   2176: 
                   2177:     rc = xmlTextWriterWriteVFormatElement(writer, name, format, ap);
                   2178: 
                   2179:     va_end(ap);
                   2180:     return rc;
                   2181: }
                   2182: 
                   2183: /**
                   2184:  * xmlTextWriterWriteVFormatElement:
                   2185:  * @writer:  the xmlTextWriterPtr
                   2186:  * @name:  element name
                   2187:  * @format:  format string (see printf)
                   2188:  * @argptr:  pointer to the first member of the variable argument list.
                   2189:  *
                   2190:  * Write a formatted xml element.
                   2191:  *
                   2192:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2193:  */
                   2194: int
                   2195: xmlTextWriterWriteVFormatElement(xmlTextWriterPtr writer,
                   2196:                                  const xmlChar * name, const char *format,
                   2197:                                  va_list argptr)
                   2198: {
                   2199:     int rc;
                   2200:     xmlChar *buf;
                   2201: 
                   2202:     if (writer == NULL)
                   2203:         return -1;
                   2204: 
                   2205:     buf = xmlTextWriterVSprintf(format, argptr);
                   2206:     if (buf == NULL)
                   2207:         return -1;
                   2208: 
                   2209:     rc = xmlTextWriterWriteElement(writer, name, buf);
                   2210: 
                   2211:     xmlFree(buf);
                   2212:     return rc;
                   2213: }
                   2214: 
                   2215: /**
                   2216:  * xmlTextWriterWriteElement:
                   2217:  * @writer:  the xmlTextWriterPtr
                   2218:  * @name:  element name
                   2219:  * @content:  element content
                   2220:  *
                   2221:  * Write an xml element.
                   2222:  *
                   2223:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2224:  */
                   2225: int
                   2226: xmlTextWriterWriteElement(xmlTextWriterPtr writer, const xmlChar * name,
                   2227:                           const xmlChar * content)
                   2228: {
                   2229:     int count;
                   2230:     int sum;
                   2231: 
                   2232:     sum = 0;
                   2233:     count = xmlTextWriterStartElement(writer, name);
                   2234:     if (count == -1)
                   2235:         return -1;
                   2236:     sum += count;
                   2237:     count = xmlTextWriterWriteString(writer, content);
                   2238:     if (count == -1)
                   2239:         return -1;
                   2240:     sum += count;
                   2241:     count = xmlTextWriterEndElement(writer);
                   2242:     if (count == -1)
                   2243:         return -1;
                   2244:     sum += count;
                   2245: 
                   2246:     return sum;
                   2247: }
                   2248: 
                   2249: /**
                   2250:  * xmlTextWriterWriteFormatElementNS:
                   2251:  * @writer:  the xmlTextWriterPtr
                   2252:  * @prefix:  namespace prefix
                   2253:  * @name:  element local name
                   2254:  * @namespaceURI:  namespace URI
                   2255:  * @format:  format string (see printf)
                   2256:  * @...:  extra parameters for the format
                   2257:  *
                   2258:  * Write a formatted xml element with namespace support.
                   2259:  *
                   2260:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2261:  */
                   2262: int XMLCDECL
                   2263: xmlTextWriterWriteFormatElementNS(xmlTextWriterPtr writer,
                   2264:                                   const xmlChar * prefix,
                   2265:                                   const xmlChar * name,
                   2266:                                   const xmlChar * namespaceURI,
                   2267:                                   const char *format, ...)
                   2268: {
                   2269:     int rc;
                   2270:     va_list ap;
                   2271: 
                   2272:     va_start(ap, format);
                   2273: 
                   2274:     rc = xmlTextWriterWriteVFormatElementNS(writer, prefix, name,
                   2275:                                             namespaceURI, format, ap);
                   2276: 
                   2277:     va_end(ap);
                   2278:     return rc;
                   2279: }
                   2280: 
                   2281: /**
                   2282:  * xmlTextWriterWriteVFormatElementNS:
                   2283:  * @writer:  the xmlTextWriterPtr
                   2284:  * @prefix:  namespace prefix
                   2285:  * @name:  element local name
                   2286:  * @namespaceURI:  namespace URI
                   2287:  * @format:  format string (see printf)
                   2288:  * @argptr:  pointer to the first member of the variable argument list.
                   2289:  *
                   2290:  * Write a formatted xml element with namespace support.
                   2291:  *
                   2292:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2293:  */
                   2294: int
                   2295: xmlTextWriterWriteVFormatElementNS(xmlTextWriterPtr writer,
                   2296:                                    const xmlChar * prefix,
                   2297:                                    const xmlChar * name,
                   2298:                                    const xmlChar * namespaceURI,
                   2299:                                    const char *format, va_list argptr)
                   2300: {
                   2301:     int rc;
                   2302:     xmlChar *buf;
                   2303: 
                   2304:     if (writer == NULL)
                   2305:         return -1;
                   2306: 
                   2307:     buf = xmlTextWriterVSprintf(format, argptr);
                   2308:     if (buf == NULL)
                   2309:         return -1;
                   2310: 
                   2311:     rc = xmlTextWriterWriteElementNS(writer, prefix, name, namespaceURI,
                   2312:                                      buf);
                   2313: 
                   2314:     xmlFree(buf);
                   2315:     return rc;
                   2316: }
                   2317: 
                   2318: /**
                   2319:  * xmlTextWriterWriteElementNS:
                   2320:  * @writer:  the xmlTextWriterPtr
                   2321:  * @prefix:  namespace prefix
                   2322:  * @name:  element local name
                   2323:  * @namespaceURI:  namespace URI
                   2324:  * @content:  element content
                   2325:  *
                   2326:  * Write an xml element with namespace support.
                   2327:  *
                   2328:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2329:  */
                   2330: int
                   2331: xmlTextWriterWriteElementNS(xmlTextWriterPtr writer,
                   2332:                             const xmlChar * prefix, const xmlChar * name,
                   2333:                             const xmlChar * namespaceURI,
                   2334:                             const xmlChar * content)
                   2335: {
                   2336:     int count;
                   2337:     int sum;
                   2338: 
                   2339:     if ((writer == NULL) || (name == NULL) || (*name == '\0'))
                   2340:         return -1;
                   2341: 
                   2342:     sum = 0;
                   2343:     count =
                   2344:         xmlTextWriterStartElementNS(writer, prefix, name, namespaceURI);
                   2345:     if (count < 0)
                   2346:         return -1;
                   2347:     sum += count;
                   2348:     count = xmlTextWriterWriteString(writer, content);
                   2349:     if (count == -1)
                   2350:         return -1;
                   2351:     sum += count;
                   2352:     count = xmlTextWriterEndElement(writer);
                   2353:     if (count == -1)
                   2354:         return -1;
                   2355:     sum += count;
                   2356: 
                   2357:     return sum;
                   2358: }
                   2359: 
                   2360: /**
                   2361:  * xmlTextWriterStartPI:
                   2362:  * @writer:  the xmlTextWriterPtr
                   2363:  * @target:  PI target
                   2364:  *
                   2365:  * Start an xml PI.
                   2366:  *
                   2367:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2368:  */
                   2369: int
                   2370: xmlTextWriterStartPI(xmlTextWriterPtr writer, const xmlChar * target)
                   2371: {
                   2372:     int count;
                   2373:     int sum;
                   2374:     xmlLinkPtr lk;
                   2375:     xmlTextWriterStackEntry *p;
                   2376: 
                   2377:     if ((writer == NULL) || (target == NULL) || (*target == '\0'))
                   2378:         return -1;
                   2379: 
                   2380:     if (xmlStrcasecmp(target, (const xmlChar *) "xml") == 0) {
                   2381:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   2382:                         "xmlTextWriterStartPI : target name [Xx][Mm][Ll] is reserved for xml standardization!\n");
                   2383:         return -1;
                   2384:     }
                   2385: 
                   2386:     sum = 0;
                   2387:     lk = xmlListFront(writer->nodes);
                   2388:     if (lk != 0) {
                   2389:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   2390:         if (p != 0) {
                   2391:             switch (p->state) {
                   2392:                 case XML_TEXTWRITER_ATTRIBUTE:
                   2393:                     count = xmlTextWriterEndAttribute(writer);
                   2394:                     if (count < 0)
                   2395:                         return -1;
                   2396:                     sum += count;
                   2397:                     /* fallthrough */
                   2398:                 case XML_TEXTWRITER_NAME:
                   2399:                     /* Output namespace declarations */
                   2400:                     count = xmlTextWriterOutputNSDecl(writer);
                   2401:                     if (count < 0)
                   2402:                         return -1;
                   2403:                     sum += count;
                   2404:                     count = xmlOutputBufferWriteString(writer->out, ">");
                   2405:                     if (count < 0)
                   2406:                         return -1;
                   2407:                     sum += count;
                   2408:                     p->state = XML_TEXTWRITER_TEXT;
                   2409:                     break;
                   2410:                 case XML_TEXTWRITER_NONE:
                   2411:                 case XML_TEXTWRITER_TEXT:
                   2412:                 case XML_TEXTWRITER_DTD:
                   2413:                     break;
                   2414:                 case XML_TEXTWRITER_PI:
                   2415:                 case XML_TEXTWRITER_PI_TEXT:
                   2416:                     xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   2417:                                     "xmlTextWriterStartPI : nested PI!\n");
                   2418:                     return -1;
                   2419:                 default:
                   2420:                     return -1;
                   2421:             }
                   2422:         }
                   2423:     }
                   2424: 
                   2425:     p = (xmlTextWriterStackEntry *)
                   2426:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   2427:     if (p == 0) {
                   2428:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   2429:                         "xmlTextWriterStartPI : out of memory!\n");
                   2430:         return -1;
                   2431:     }
                   2432: 
                   2433:     p->name = xmlStrdup(target);
                   2434:     if (p->name == 0) {
                   2435:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   2436:                         "xmlTextWriterStartPI : out of memory!\n");
                   2437:         xmlFree(p);
                   2438:         return -1;
                   2439:     }
                   2440:     p->state = XML_TEXTWRITER_PI;
                   2441: 
                   2442:     xmlListPushFront(writer->nodes, p);
                   2443: 
                   2444:     count = xmlOutputBufferWriteString(writer->out, "<?");
                   2445:     if (count < 0)
                   2446:         return -1;
                   2447:     sum += count;
                   2448:     count =
                   2449:         xmlOutputBufferWriteString(writer->out, (const char *) p->name);
                   2450:     if (count < 0)
                   2451:         return -1;
                   2452:     sum += count;
                   2453: 
                   2454:     return sum;
                   2455: }
                   2456: 
                   2457: /**
                   2458:  * xmlTextWriterEndPI:
                   2459:  * @writer:  the xmlTextWriterPtr
                   2460:  *
                   2461:  * End the current xml PI.
                   2462:  *
                   2463:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2464:  */
                   2465: int
                   2466: xmlTextWriterEndPI(xmlTextWriterPtr writer)
                   2467: {
                   2468:     int count;
                   2469:     int sum;
                   2470:     xmlLinkPtr lk;
                   2471:     xmlTextWriterStackEntry *p;
                   2472: 
                   2473:     if (writer == NULL)
                   2474:         return -1;
                   2475: 
                   2476:     lk = xmlListFront(writer->nodes);
                   2477:     if (lk == 0)
                   2478:         return 0;
                   2479: 
                   2480:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   2481:     if (p == 0)
                   2482:         return 0;
                   2483: 
                   2484:     sum = 0;
                   2485:     switch (p->state) {
                   2486:         case XML_TEXTWRITER_PI:
                   2487:         case XML_TEXTWRITER_PI_TEXT:
                   2488:             count = xmlOutputBufferWriteString(writer->out, "?>");
                   2489:             if (count < 0)
                   2490:                 return -1;
                   2491:             sum += count;
                   2492:             break;
                   2493:         default:
                   2494:             return -1;
                   2495:     }
                   2496: 
                   2497:     if (writer->indent) {
                   2498:         count = xmlOutputBufferWriteString(writer->out, "\n");
                   2499:        if (count < 0)
                   2500:                return -1;
                   2501:         sum += count;
                   2502:     }
                   2503: 
                   2504:     xmlListPopFront(writer->nodes);
                   2505:     return sum;
                   2506: }
                   2507: 
                   2508: /**
                   2509:  * xmlTextWriterWriteFormatPI:
                   2510:  * @writer:  the xmlTextWriterPtr
                   2511:  * @target:  PI target
                   2512:  * @format:  format string (see printf)
                   2513:  * @...:  extra parameters for the format
                   2514:  *
                   2515:  * Write a formatted PI.
                   2516:  *
                   2517:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2518:  */
                   2519: int XMLCDECL
                   2520: xmlTextWriterWriteFormatPI(xmlTextWriterPtr writer, const xmlChar * target,
                   2521:                            const char *format, ...)
                   2522: {
                   2523:     int rc;
                   2524:     va_list ap;
                   2525: 
                   2526:     va_start(ap, format);
                   2527: 
                   2528:     rc = xmlTextWriterWriteVFormatPI(writer, target, format, ap);
                   2529: 
                   2530:     va_end(ap);
                   2531:     return rc;
                   2532: }
                   2533: 
                   2534: /**
                   2535:  * xmlTextWriterWriteVFormatPI:
                   2536:  * @writer:  the xmlTextWriterPtr
                   2537:  * @target:  PI target
                   2538:  * @format:  format string (see printf)
                   2539:  * @argptr:  pointer to the first member of the variable argument list.
                   2540:  *
                   2541:  * Write a formatted xml PI.
                   2542:  *
                   2543:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2544:  */
                   2545: int
                   2546: xmlTextWriterWriteVFormatPI(xmlTextWriterPtr writer,
                   2547:                             const xmlChar * target, const char *format,
                   2548:                             va_list argptr)
                   2549: {
                   2550:     int rc;
                   2551:     xmlChar *buf;
                   2552: 
                   2553:     if (writer == NULL)
                   2554:         return -1;
                   2555: 
                   2556:     buf = xmlTextWriterVSprintf(format, argptr);
                   2557:     if (buf == NULL)
                   2558:         return -1;
                   2559: 
                   2560:     rc = xmlTextWriterWritePI(writer, target, buf);
                   2561: 
                   2562:     xmlFree(buf);
                   2563:     return rc;
                   2564: }
                   2565: 
                   2566: /**
                   2567:  * xmlTextWriterWritePI:
                   2568:  * @writer:  the xmlTextWriterPtr
                   2569:  * @target:  PI target
                   2570:  * @content:  PI content
                   2571:  *
                   2572:  * Write an xml PI.
                   2573:  *
                   2574:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2575:  */
                   2576: int
                   2577: xmlTextWriterWritePI(xmlTextWriterPtr writer, const xmlChar * target,
                   2578:                      const xmlChar * content)
                   2579: {
                   2580:     int count;
                   2581:     int sum;
                   2582: 
                   2583:     sum = 0;
                   2584:     count = xmlTextWriterStartPI(writer, target);
                   2585:     if (count == -1)
                   2586:         return -1;
                   2587:     sum += count;
                   2588:     if (content != 0) {
                   2589:         count = xmlTextWriterWriteString(writer, content);
                   2590:         if (count == -1)
                   2591:             return -1;
                   2592:         sum += count;
                   2593:     }
                   2594:     count = xmlTextWriterEndPI(writer);
                   2595:     if (count == -1)
                   2596:         return -1;
                   2597:     sum += count;
                   2598: 
                   2599:     return sum;
                   2600: }
                   2601: 
                   2602: /**
                   2603:  * xmlTextWriterStartCDATA:
                   2604:  * @writer:  the xmlTextWriterPtr
                   2605:  *
                   2606:  * Start an xml CDATA section.
                   2607:  *
                   2608:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2609:  */
                   2610: int
                   2611: xmlTextWriterStartCDATA(xmlTextWriterPtr writer)
                   2612: {
                   2613:     int count;
                   2614:     int sum;
                   2615:     xmlLinkPtr lk;
                   2616:     xmlTextWriterStackEntry *p;
                   2617: 
                   2618:     if (writer == NULL)
                   2619:         return -1;
                   2620: 
                   2621:     sum = 0;
                   2622:     lk = xmlListFront(writer->nodes);
                   2623:     if (lk != 0) {
                   2624:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   2625:         if (p != 0) {
                   2626:             switch (p->state) {
                   2627:                 case XML_TEXTWRITER_NONE:
                   2628:                case XML_TEXTWRITER_TEXT:
                   2629:                 case XML_TEXTWRITER_PI:
                   2630:                 case XML_TEXTWRITER_PI_TEXT:
                   2631:                     break;
                   2632:                 case XML_TEXTWRITER_ATTRIBUTE:
                   2633:                     count = xmlTextWriterEndAttribute(writer);
                   2634:                     if (count < 0)
                   2635:                         return -1;
                   2636:                     sum += count;
                   2637:                     /* fallthrough */
                   2638:                 case XML_TEXTWRITER_NAME:
                   2639:                     /* Output namespace declarations */
                   2640:                     count = xmlTextWriterOutputNSDecl(writer);
                   2641:                     if (count < 0)
                   2642:                         return -1;
                   2643:                     sum += count;
                   2644:                     count = xmlOutputBufferWriteString(writer->out, ">");
                   2645:                     if (count < 0)
                   2646:                         return -1;
                   2647:                     sum += count;
                   2648:                     p->state = XML_TEXTWRITER_TEXT;
                   2649:                     break;
                   2650:                 case XML_TEXTWRITER_CDATA:
                   2651:                     xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   2652:                                     "xmlTextWriterStartCDATA : CDATA not allowed in this context!\n");
                   2653:                     return -1;
                   2654:                 default:
                   2655:                     return -1;
                   2656:             }
                   2657:         }
                   2658:     }
                   2659: 
                   2660:     p = (xmlTextWriterStackEntry *)
                   2661:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   2662:     if (p == 0) {
                   2663:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   2664:                         "xmlTextWriterStartCDATA : out of memory!\n");
                   2665:         return -1;
                   2666:     }
                   2667: 
                   2668:     p->name = NULL;
                   2669:     p->state = XML_TEXTWRITER_CDATA;
                   2670: 
                   2671:     xmlListPushFront(writer->nodes, p);
                   2672: 
                   2673:     count = xmlOutputBufferWriteString(writer->out, "<![CDATA[");
                   2674:     if (count < 0)
                   2675:         return -1;
                   2676:     sum += count;
                   2677: 
                   2678:     return sum;
                   2679: }
                   2680: 
                   2681: /**
                   2682:  * xmlTextWriterEndCDATA:
                   2683:  * @writer:  the xmlTextWriterPtr
                   2684:  *
                   2685:  * End an xml CDATA section.
                   2686:  *
                   2687:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2688:  */
                   2689: int
                   2690: xmlTextWriterEndCDATA(xmlTextWriterPtr writer)
                   2691: {
                   2692:     int count;
                   2693:     int sum;
                   2694:     xmlLinkPtr lk;
                   2695:     xmlTextWriterStackEntry *p;
                   2696: 
                   2697:     if (writer == NULL)
                   2698:         return -1;
                   2699: 
                   2700:     lk = xmlListFront(writer->nodes);
                   2701:     if (lk == 0)
                   2702:         return -1;
                   2703: 
                   2704:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   2705:     if (p == 0)
                   2706:         return -1;
                   2707: 
                   2708:     sum = 0;
                   2709:     switch (p->state) {
                   2710:         case XML_TEXTWRITER_CDATA:
                   2711:             count = xmlOutputBufferWriteString(writer->out, "]]>");
                   2712:             if (count < 0)
                   2713:                 return -1;
                   2714:             sum += count;
                   2715:             break;
                   2716:         default:
                   2717:             return -1;
                   2718:     }
                   2719: 
                   2720:     xmlListPopFront(writer->nodes);
                   2721:     return sum;
                   2722: }
                   2723: 
                   2724: /**
                   2725:  * xmlTextWriterWriteFormatCDATA:
                   2726:  * @writer:  the xmlTextWriterPtr
                   2727:  * @format:  format string (see printf)
                   2728:  * @...:  extra parameters for the format
                   2729:  *
                   2730:  * Write a formatted xml CDATA.
                   2731:  *
                   2732:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2733:  */
                   2734: int XMLCDECL
                   2735: xmlTextWriterWriteFormatCDATA(xmlTextWriterPtr writer, const char *format,
                   2736:                               ...)
                   2737: {
                   2738:     int rc;
                   2739:     va_list ap;
                   2740: 
                   2741:     va_start(ap, format);
                   2742: 
                   2743:     rc = xmlTextWriterWriteVFormatCDATA(writer, format, ap);
                   2744: 
                   2745:     va_end(ap);
                   2746:     return rc;
                   2747: }
                   2748: 
                   2749: /**
                   2750:  * xmlTextWriterWriteVFormatCDATA:
                   2751:  * @writer:  the xmlTextWriterPtr
                   2752:  * @format:  format string (see printf)
                   2753:  * @argptr:  pointer to the first member of the variable argument list.
                   2754:  *
                   2755:  * Write a formatted xml CDATA.
                   2756:  *
                   2757:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2758:  */
                   2759: int
                   2760: xmlTextWriterWriteVFormatCDATA(xmlTextWriterPtr writer, const char *format,
                   2761:                                va_list argptr)
                   2762: {
                   2763:     int rc;
                   2764:     xmlChar *buf;
                   2765: 
                   2766:     if (writer == NULL)
                   2767:         return -1;
                   2768: 
                   2769:     buf = xmlTextWriterVSprintf(format, argptr);
                   2770:     if (buf == NULL)
                   2771:         return -1;
                   2772: 
                   2773:     rc = xmlTextWriterWriteCDATA(writer, buf);
                   2774: 
                   2775:     xmlFree(buf);
                   2776:     return rc;
                   2777: }
                   2778: 
                   2779: /**
                   2780:  * xmlTextWriterWriteCDATA:
                   2781:  * @writer:  the xmlTextWriterPtr
                   2782:  * @content:  CDATA content
                   2783:  *
                   2784:  * Write an xml CDATA.
                   2785:  *
                   2786:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2787:  */
                   2788: int
                   2789: xmlTextWriterWriteCDATA(xmlTextWriterPtr writer, const xmlChar * content)
                   2790: {
                   2791:     int count;
                   2792:     int sum;
                   2793: 
                   2794:     sum = 0;
                   2795:     count = xmlTextWriterStartCDATA(writer);
                   2796:     if (count == -1)
                   2797:         return -1;
                   2798:     sum += count;
                   2799:     if (content != 0) {
                   2800:         count = xmlTextWriterWriteString(writer, content);
                   2801:         if (count == -1)
                   2802:             return -1;
                   2803:         sum += count;
                   2804:     }
                   2805:     count = xmlTextWriterEndCDATA(writer);
                   2806:     if (count == -1)
                   2807:         return -1;
                   2808:     sum += count;
                   2809: 
                   2810:     return sum;
                   2811: }
                   2812: 
                   2813: /**
                   2814:  * xmlTextWriterStartDTD:
                   2815:  * @writer:  the xmlTextWriterPtr
                   2816:  * @name:  the name of the DTD
                   2817:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   2818:  * @sysid:  the system identifier, which is the URI of the DTD
                   2819:  *
                   2820:  * Start an xml DTD.
                   2821:  *
                   2822:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2823:  */
                   2824: int
                   2825: xmlTextWriterStartDTD(xmlTextWriterPtr writer,
                   2826:                       const xmlChar * name,
                   2827:                       const xmlChar * pubid, const xmlChar * sysid)
                   2828: {
                   2829:     int count;
                   2830:     int sum;
                   2831:     xmlLinkPtr lk;
                   2832:     xmlTextWriterStackEntry *p;
                   2833: 
                   2834:     if (writer == NULL || name == NULL || *name == '\0')
                   2835:         return -1;
                   2836: 
                   2837:     sum = 0;
                   2838:     lk = xmlListFront(writer->nodes);
                   2839:     if ((lk != NULL) && (xmlLinkGetData(lk) != NULL)) {
                   2840:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   2841:                         "xmlTextWriterStartDTD : DTD allowed only in prolog!\n");
                   2842:         return -1;
                   2843:     }
                   2844: 
                   2845:     p = (xmlTextWriterStackEntry *)
                   2846:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   2847:     if (p == 0) {
                   2848:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   2849:                         "xmlTextWriterStartDTD : out of memory!\n");
                   2850:         return -1;
                   2851:     }
                   2852: 
                   2853:     p->name = xmlStrdup(name);
                   2854:     if (p->name == 0) {
                   2855:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   2856:                         "xmlTextWriterStartDTD : out of memory!\n");
                   2857:         xmlFree(p);
                   2858:         return -1;
                   2859:     }
                   2860:     p->state = XML_TEXTWRITER_DTD;
                   2861: 
                   2862:     xmlListPushFront(writer->nodes, p);
                   2863: 
                   2864:     count = xmlOutputBufferWriteString(writer->out, "<!DOCTYPE ");
                   2865:     if (count < 0)
                   2866:         return -1;
                   2867:     sum += count;
                   2868:     count = xmlOutputBufferWriteString(writer->out, (const char *) name);
                   2869:     if (count < 0)
                   2870:         return -1;
                   2871:     sum += count;
                   2872: 
                   2873:     if (pubid != 0) {
                   2874:         if (sysid == 0) {
                   2875:             xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   2876:                             "xmlTextWriterStartDTD : system identifier needed!\n");
                   2877:             return -1;
                   2878:         }
                   2879: 
                   2880:         if (writer->indent)
                   2881:             count = xmlOutputBufferWrite(writer->out, 1, "\n");
                   2882:         else
                   2883:             count = xmlOutputBufferWrite(writer->out, 1, " ");
                   2884:         if (count < 0)
                   2885:             return -1;
                   2886:         sum += count;
                   2887: 
                   2888:         count = xmlOutputBufferWriteString(writer->out, "PUBLIC ");
                   2889:         if (count < 0)
                   2890:             return -1;
                   2891:         sum += count;
                   2892: 
                   2893:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   2894:         if (count < 0)
                   2895:             return -1;
                   2896:         sum += count;
                   2897: 
                   2898:         count =
                   2899:             xmlOutputBufferWriteString(writer->out, (const char *) pubid);
                   2900:         if (count < 0)
                   2901:             return -1;
                   2902:         sum += count;
                   2903: 
                   2904:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   2905:         if (count < 0)
                   2906:             return -1;
                   2907:         sum += count;
                   2908:     }
                   2909: 
                   2910:     if (sysid != 0) {
                   2911:         if (pubid == 0) {
                   2912:             if (writer->indent)
                   2913:                 count = xmlOutputBufferWrite(writer->out, 1, "\n");
                   2914:             else
                   2915:                 count = xmlOutputBufferWrite(writer->out, 1, " ");
                   2916:             if (count < 0)
                   2917:                 return -1;
                   2918:             sum += count;
                   2919:             count = xmlOutputBufferWriteString(writer->out, "SYSTEM ");
                   2920:             if (count < 0)
                   2921:                 return -1;
                   2922:             sum += count;
                   2923:         } else {
                   2924:                        if (writer->indent)
                   2925:             count = xmlOutputBufferWriteString(writer->out, "\n       ");
                   2926:             else
                   2927:                 count = xmlOutputBufferWrite(writer->out, 1, " ");
                   2928:             if (count < 0)
                   2929:                 return -1;
                   2930:             sum += count;
                   2931:         }
                   2932: 
                   2933:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   2934:         if (count < 0)
                   2935:             return -1;
                   2936:         sum += count;
                   2937: 
                   2938:         count =
                   2939:             xmlOutputBufferWriteString(writer->out, (const char *) sysid);
                   2940:         if (count < 0)
                   2941:             return -1;
                   2942:         sum += count;
                   2943: 
                   2944:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   2945:         if (count < 0)
                   2946:             return -1;
                   2947:         sum += count;
                   2948:     }
                   2949: 
                   2950:     return sum;
                   2951: }
                   2952: 
                   2953: /**
                   2954:  * xmlTextWriterEndDTD:
                   2955:  * @writer:  the xmlTextWriterPtr
                   2956:  *
                   2957:  * End an xml DTD.
                   2958:  *
                   2959:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   2960:  */
                   2961: int
                   2962: xmlTextWriterEndDTD(xmlTextWriterPtr writer)
                   2963: {
                   2964:     int loop;
                   2965:     int count;
                   2966:     int sum;
                   2967:     xmlLinkPtr lk;
                   2968:     xmlTextWriterStackEntry *p;
                   2969: 
                   2970:     if (writer == NULL)
                   2971:         return -1;
                   2972: 
                   2973:     sum = 0;
                   2974:     loop = 1;
                   2975:     while (loop) {
                   2976:         lk = xmlListFront(writer->nodes);
                   2977:         if (lk == NULL)
                   2978:             break;
                   2979:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   2980:         if (p == 0)
                   2981:             break;
                   2982:         switch (p->state) {
                   2983:             case XML_TEXTWRITER_DTD_TEXT:
                   2984:                 count = xmlOutputBufferWriteString(writer->out, "]");
                   2985:                 if (count < 0)
                   2986:                     return -1;
                   2987:                 sum += count;
                   2988:                 /* fallthrough */
                   2989:             case XML_TEXTWRITER_DTD:
                   2990:                 count = xmlOutputBufferWriteString(writer->out, ">");
                   2991: 
                   2992:                 if (writer->indent) {
                   2993:                     if (count < 0)
                   2994:                         return -1;
                   2995:                     sum += count;
                   2996:                     count = xmlOutputBufferWriteString(writer->out, "\n");
                   2997:                 }
                   2998: 
                   2999:                 xmlListPopFront(writer->nodes);
                   3000:                 break;
                   3001:             case XML_TEXTWRITER_DTD_ELEM:
                   3002:             case XML_TEXTWRITER_DTD_ELEM_TEXT:
                   3003:                 count = xmlTextWriterEndDTDElement(writer);
                   3004:                 break;
                   3005:             case XML_TEXTWRITER_DTD_ATTL:
                   3006:             case XML_TEXTWRITER_DTD_ATTL_TEXT:
                   3007:                 count = xmlTextWriterEndDTDAttlist(writer);
                   3008:                 break;
                   3009:             case XML_TEXTWRITER_DTD_ENTY:
                   3010:             case XML_TEXTWRITER_DTD_PENT:
                   3011:             case XML_TEXTWRITER_DTD_ENTY_TEXT:
                   3012:                 count = xmlTextWriterEndDTDEntity(writer);
                   3013:                 break;
                   3014:             case XML_TEXTWRITER_COMMENT:
                   3015:                 count = xmlTextWriterEndComment(writer);
                   3016:                 break;
                   3017:             default:
                   3018:                 loop = 0;
                   3019:                 continue;
                   3020:         }
                   3021: 
                   3022:         if (count < 0)
                   3023:             return -1;
                   3024:         sum += count;
                   3025:     }
                   3026: 
                   3027:     return sum;
                   3028: }
                   3029: 
                   3030: /**
                   3031:  * xmlTextWriterWriteFormatDTD:
                   3032:  * @writer:  the xmlTextWriterPtr
                   3033:  * @name:  the name of the DTD
                   3034:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   3035:  * @sysid:  the system identifier, which is the URI of the DTD
                   3036:  * @format:  format string (see printf)
                   3037:  * @...:  extra parameters for the format
                   3038:  *
                   3039:  * Write a DTD with a formatted markup declarations part.
                   3040:  *
                   3041:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3042:  */
                   3043: int XMLCDECL
                   3044: xmlTextWriterWriteFormatDTD(xmlTextWriterPtr writer,
                   3045:                             const xmlChar * name,
                   3046:                             const xmlChar * pubid,
                   3047:                             const xmlChar * sysid, const char *format, ...)
                   3048: {
                   3049:     int rc;
                   3050:     va_list ap;
                   3051: 
                   3052:     va_start(ap, format);
                   3053: 
                   3054:     rc = xmlTextWriterWriteVFormatDTD(writer, name, pubid, sysid, format,
                   3055:                                       ap);
                   3056: 
                   3057:     va_end(ap);
                   3058:     return rc;
                   3059: }
                   3060: 
                   3061: /**
                   3062:  * xmlTextWriterWriteVFormatDTD:
                   3063:  * @writer:  the xmlTextWriterPtr
                   3064:  * @name:  the name of the DTD
                   3065:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   3066:  * @sysid:  the system identifier, which is the URI of the DTD
                   3067:  * @format:  format string (see printf)
                   3068:  * @argptr:  pointer to the first member of the variable argument list.
                   3069:  *
                   3070:  * Write a DTD with a formatted markup declarations part.
                   3071:  *
                   3072:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3073:  */
                   3074: int
                   3075: xmlTextWriterWriteVFormatDTD(xmlTextWriterPtr writer,
                   3076:                              const xmlChar * name,
                   3077:                              const xmlChar * pubid,
                   3078:                              const xmlChar * sysid,
                   3079:                              const char *format, va_list argptr)
                   3080: {
                   3081:     int rc;
                   3082:     xmlChar *buf;
                   3083: 
                   3084:     if (writer == NULL)
                   3085:         return -1;
                   3086: 
                   3087:     buf = xmlTextWriterVSprintf(format, argptr);
                   3088:     if (buf == NULL)
                   3089:         return -1;
                   3090: 
                   3091:     rc = xmlTextWriterWriteDTD(writer, name, pubid, sysid, buf);
                   3092: 
                   3093:     xmlFree(buf);
                   3094:     return rc;
                   3095: }
                   3096: 
                   3097: /**
                   3098:  * xmlTextWriterWriteDTD:
                   3099:  * @writer:  the xmlTextWriterPtr
                   3100:  * @name:  the name of the DTD
                   3101:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   3102:  * @sysid:  the system identifier, which is the URI of the DTD
                   3103:  * @subset:  string content of the DTD
                   3104:  *
                   3105:  * Write a DTD.
                   3106:  *
                   3107:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3108:  */
                   3109: int
                   3110: xmlTextWriterWriteDTD(xmlTextWriterPtr writer,
                   3111:                       const xmlChar * name,
                   3112:                       const xmlChar * pubid,
                   3113:                       const xmlChar * sysid, const xmlChar * subset)
                   3114: {
                   3115:     int count;
                   3116:     int sum;
                   3117: 
                   3118:     sum = 0;
                   3119:     count = xmlTextWriterStartDTD(writer, name, pubid, sysid);
                   3120:     if (count == -1)
                   3121:         return -1;
                   3122:     sum += count;
                   3123:     if (subset != 0) {
                   3124:         count = xmlTextWriterWriteString(writer, subset);
                   3125:         if (count == -1)
                   3126:             return -1;
                   3127:         sum += count;
                   3128:     }
                   3129:     count = xmlTextWriterEndDTD(writer);
                   3130:     if (count == -1)
                   3131:         return -1;
                   3132:     sum += count;
                   3133: 
                   3134:     return sum;
                   3135: }
                   3136: 
                   3137: /**
                   3138:  * xmlTextWriterStartDTDElement:
                   3139:  * @writer:  the xmlTextWriterPtr
                   3140:  * @name:  the name of the DTD element
                   3141:  *
                   3142:  * Start an xml DTD element.
                   3143:  *
                   3144:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3145:  */
                   3146: int
                   3147: xmlTextWriterStartDTDElement(xmlTextWriterPtr writer, const xmlChar * name)
                   3148: {
                   3149:     int count;
                   3150:     int sum;
                   3151:     xmlLinkPtr lk;
                   3152:     xmlTextWriterStackEntry *p;
                   3153: 
                   3154:     if (writer == NULL || name == NULL || *name == '\0')
                   3155:         return -1;
                   3156: 
                   3157:     sum = 0;
                   3158:     lk = xmlListFront(writer->nodes);
                   3159:     if (lk == 0) {
                   3160:         return -1;
                   3161:     }
                   3162: 
                   3163:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3164:     if (p != 0) {
                   3165:         switch (p->state) {
                   3166:             case XML_TEXTWRITER_DTD:
                   3167:                 count = xmlOutputBufferWriteString(writer->out, " [");
                   3168:                 if (count < 0)
                   3169:                     return -1;
                   3170:                 sum += count;
                   3171:                 if (writer->indent) {
                   3172:                     count = xmlOutputBufferWriteString(writer->out, "\n");
                   3173:                     if (count < 0)
                   3174:                         return -1;
                   3175:                     sum += count;
                   3176:                 }
                   3177:                 p->state = XML_TEXTWRITER_DTD_TEXT;
                   3178:                 /* fallthrough */
                   3179:             case XML_TEXTWRITER_DTD_TEXT:
                   3180:             case XML_TEXTWRITER_NONE:
                   3181:                 break;
                   3182:             default:
                   3183:                 return -1;
                   3184:         }
                   3185:     }
                   3186: 
                   3187:     p = (xmlTextWriterStackEntry *)
                   3188:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   3189:     if (p == 0) {
                   3190:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   3191:                         "xmlTextWriterStartDTDElement : out of memory!\n");
                   3192:         return -1;
                   3193:     }
                   3194: 
                   3195:     p->name = xmlStrdup(name);
                   3196:     if (p->name == 0) {
                   3197:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   3198:                         "xmlTextWriterStartDTDElement : out of memory!\n");
                   3199:         xmlFree(p);
                   3200:         return -1;
                   3201:     }
                   3202:     p->state = XML_TEXTWRITER_DTD_ELEM;
                   3203: 
                   3204:     xmlListPushFront(writer->nodes, p);
                   3205: 
                   3206:     if (writer->indent) {
                   3207:         count = xmlTextWriterWriteIndent(writer);
                   3208:         if (count < 0)
                   3209:             return -1;
                   3210:         sum += count;
                   3211:     }
                   3212: 
                   3213:     count = xmlOutputBufferWriteString(writer->out, "<!ELEMENT ");
                   3214:     if (count < 0)
                   3215:         return -1;
                   3216:     sum += count;
                   3217:     count = xmlOutputBufferWriteString(writer->out, (const char *) name);
                   3218:     if (count < 0)
                   3219:         return -1;
                   3220:     sum += count;
                   3221: 
                   3222:     return sum;
                   3223: }
                   3224: 
                   3225: /**
                   3226:  * xmlTextWriterEndDTDElement:
                   3227:  * @writer:  the xmlTextWriterPtr
                   3228:  *
                   3229:  * End an xml DTD element.
                   3230:  *
                   3231:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3232:  */
                   3233: int
                   3234: xmlTextWriterEndDTDElement(xmlTextWriterPtr writer)
                   3235: {
                   3236:     int count;
                   3237:     int sum;
                   3238:     xmlLinkPtr lk;
                   3239:     xmlTextWriterStackEntry *p;
                   3240: 
                   3241:     if (writer == NULL)
                   3242:         return -1;
                   3243: 
                   3244:     sum = 0;
                   3245:     lk = xmlListFront(writer->nodes);
                   3246:     if (lk == 0)
                   3247:         return -1;
                   3248: 
                   3249:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3250:     if (p == 0)
                   3251:         return -1;
                   3252: 
                   3253:     switch (p->state) {
                   3254:         case XML_TEXTWRITER_DTD_ELEM:
                   3255:         case XML_TEXTWRITER_DTD_ELEM_TEXT:
                   3256:             count = xmlOutputBufferWriteString(writer->out, ">");
                   3257:             if (count < 0)
                   3258:                 return -1;
                   3259:             sum += count;
                   3260:             break;
                   3261:         default:
                   3262:             return -1;
                   3263:     }
                   3264: 
                   3265:     if (writer->indent) {
                   3266:         count = xmlOutputBufferWriteString(writer->out, "\n");
                   3267:         if (count < 0)
                   3268:             return -1;
                   3269:         sum += count;
                   3270:     }
                   3271: 
                   3272:     xmlListPopFront(writer->nodes);
                   3273:     return sum;
                   3274: }
                   3275: 
                   3276: /**
                   3277:  * xmlTextWriterWriteFormatDTDElement:
                   3278:  * @writer:  the xmlTextWriterPtr
                   3279:  * @name:  the name of the DTD element
                   3280:  * @format:  format string (see printf)
                   3281:  * @...:  extra parameters for the format
                   3282:  *
                   3283:  * Write a formatted DTD element.
                   3284:  *
                   3285:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3286:  */
                   3287: int XMLCDECL
                   3288: xmlTextWriterWriteFormatDTDElement(xmlTextWriterPtr writer,
                   3289:                                    const xmlChar * name,
                   3290:                                    const char *format, ...)
                   3291: {
                   3292:     int rc;
                   3293:     va_list ap;
                   3294: 
                   3295:     va_start(ap, format);
                   3296: 
                   3297:     rc = xmlTextWriterWriteVFormatDTDElement(writer, name, format, ap);
                   3298: 
                   3299:     va_end(ap);
                   3300:     return rc;
                   3301: }
                   3302: 
                   3303: /**
                   3304:  * xmlTextWriterWriteVFormatDTDElement:
                   3305:  * @writer:  the xmlTextWriterPtr
                   3306:  * @name:  the name of the DTD element
                   3307:  * @format:  format string (see printf)
                   3308:  * @argptr:  pointer to the first member of the variable argument list.
                   3309:  *
                   3310:  * Write a formatted DTD element.
                   3311:  *
                   3312:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3313:  */
                   3314: int
                   3315: xmlTextWriterWriteVFormatDTDElement(xmlTextWriterPtr writer,
                   3316:                                     const xmlChar * name,
                   3317:                                     const char *format, va_list argptr)
                   3318: {
                   3319:     int rc;
                   3320:     xmlChar *buf;
                   3321: 
                   3322:     if (writer == NULL)
                   3323:         return -1;
                   3324: 
                   3325:     buf = xmlTextWriterVSprintf(format, argptr);
                   3326:     if (buf == NULL)
                   3327:         return -1;
                   3328: 
                   3329:     rc = xmlTextWriterWriteDTDElement(writer, name, buf);
                   3330: 
                   3331:     xmlFree(buf);
                   3332:     return rc;
                   3333: }
                   3334: 
                   3335: /**
                   3336:  * xmlTextWriterWriteDTDElement:
                   3337:  * @writer:  the xmlTextWriterPtr
                   3338:  * @name:  the name of the DTD element
                   3339:  * @content:  content of the element
                   3340:  *
                   3341:  * Write a DTD element.
                   3342:  *
                   3343:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3344:  */
                   3345: int
                   3346: xmlTextWriterWriteDTDElement(xmlTextWriterPtr writer,
                   3347:                              const xmlChar * name, const xmlChar * content)
                   3348: {
                   3349:     int count;
                   3350:     int sum;
                   3351: 
                   3352:     if (content == NULL)
                   3353:         return -1;
                   3354: 
                   3355:     sum = 0;
                   3356:     count = xmlTextWriterStartDTDElement(writer, name);
                   3357:     if (count == -1)
                   3358:         return -1;
                   3359:     sum += count;
                   3360: 
                   3361:     count = xmlTextWriterWriteString(writer, content);
                   3362:     if (count == -1)
                   3363:         return -1;
                   3364:     sum += count;
                   3365: 
                   3366:     count = xmlTextWriterEndDTDElement(writer);
                   3367:     if (count == -1)
                   3368:         return -1;
                   3369:     sum += count;
                   3370: 
                   3371:     return sum;
                   3372: }
                   3373: 
                   3374: /**
                   3375:  * xmlTextWriterStartDTDAttlist:
                   3376:  * @writer:  the xmlTextWriterPtr
                   3377:  * @name:  the name of the DTD ATTLIST
                   3378:  *
                   3379:  * Start an xml DTD ATTLIST.
                   3380:  *
                   3381:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3382:  */
                   3383: int
                   3384: xmlTextWriterStartDTDAttlist(xmlTextWriterPtr writer, const xmlChar * name)
                   3385: {
                   3386:     int count;
                   3387:     int sum;
                   3388:     xmlLinkPtr lk;
                   3389:     xmlTextWriterStackEntry *p;
                   3390: 
                   3391:     if (writer == NULL || name == NULL || *name == '\0')
                   3392:         return -1;
                   3393: 
                   3394:     sum = 0;
                   3395:     lk = xmlListFront(writer->nodes);
                   3396:     if (lk == 0) {
                   3397:         return -1;
                   3398:     }
                   3399: 
                   3400:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3401:     if (p != 0) {
                   3402:         switch (p->state) {
                   3403:             case XML_TEXTWRITER_DTD:
                   3404:                 count = xmlOutputBufferWriteString(writer->out, " [");
                   3405:                 if (count < 0)
                   3406:                     return -1;
                   3407:                 sum += count;
                   3408:                 if (writer->indent) {
                   3409:                     count = xmlOutputBufferWriteString(writer->out, "\n");
                   3410:                     if (count < 0)
                   3411:                         return -1;
                   3412:                     sum += count;
                   3413:                 }
                   3414:                 p->state = XML_TEXTWRITER_DTD_TEXT;
                   3415:                 /* fallthrough */
                   3416:             case XML_TEXTWRITER_DTD_TEXT:
                   3417:             case XML_TEXTWRITER_NONE:
                   3418:                 break;
                   3419:             default:
                   3420:                 return -1;
                   3421:         }
                   3422:     }
                   3423: 
                   3424:     p = (xmlTextWriterStackEntry *)
                   3425:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   3426:     if (p == 0) {
                   3427:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   3428:                         "xmlTextWriterStartDTDAttlist : out of memory!\n");
                   3429:         return -1;
                   3430:     }
                   3431: 
                   3432:     p->name = xmlStrdup(name);
                   3433:     if (p->name == 0) {
                   3434:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   3435:                         "xmlTextWriterStartDTDAttlist : out of memory!\n");
                   3436:         xmlFree(p);
                   3437:         return -1;
                   3438:     }
                   3439:     p->state = XML_TEXTWRITER_DTD_ATTL;
                   3440: 
                   3441:     xmlListPushFront(writer->nodes, p);
                   3442: 
                   3443:     if (writer->indent) {
                   3444:         count = xmlTextWriterWriteIndent(writer);
                   3445:         if (count < 0)
                   3446:             return -1;
                   3447:         sum += count;
                   3448:     }
                   3449: 
                   3450:     count = xmlOutputBufferWriteString(writer->out, "<!ATTLIST ");
                   3451:     if (count < 0)
                   3452:         return -1;
                   3453:     sum += count;
                   3454:     count = xmlOutputBufferWriteString(writer->out, (const char *) name);
                   3455:     if (count < 0)
                   3456:         return -1;
                   3457:     sum += count;
                   3458: 
                   3459:     return sum;
                   3460: }
                   3461: 
                   3462: /**
                   3463:  * xmlTextWriterEndDTDAttlist:
                   3464:  * @writer:  the xmlTextWriterPtr
                   3465:  *
                   3466:  * End an xml DTD attribute list.
                   3467:  *
                   3468:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3469:  */
                   3470: int
                   3471: xmlTextWriterEndDTDAttlist(xmlTextWriterPtr writer)
                   3472: {
                   3473:     int count;
                   3474:     int sum;
                   3475:     xmlLinkPtr lk;
                   3476:     xmlTextWriterStackEntry *p;
                   3477: 
                   3478:     if (writer == NULL)
                   3479:         return -1;
                   3480: 
                   3481:     sum = 0;
                   3482:     lk = xmlListFront(writer->nodes);
                   3483:     if (lk == 0)
                   3484:         return -1;
                   3485: 
                   3486:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3487:     if (p == 0)
                   3488:         return -1;
                   3489: 
                   3490:     switch (p->state) {
                   3491:         case XML_TEXTWRITER_DTD_ATTL:
                   3492:         case XML_TEXTWRITER_DTD_ATTL_TEXT:
                   3493:             count = xmlOutputBufferWriteString(writer->out, ">");
                   3494:             if (count < 0)
                   3495:                 return -1;
                   3496:             sum += count;
                   3497:             break;
                   3498:         default:
                   3499:             return -1;
                   3500:     }
                   3501: 
                   3502:     if (writer->indent) {
                   3503:         count = xmlOutputBufferWriteString(writer->out, "\n");
                   3504:         if (count < 0)
                   3505:             return -1;
                   3506:         sum += count;
                   3507:     }
                   3508: 
                   3509:     xmlListPopFront(writer->nodes);
                   3510:     return sum;
                   3511: }
                   3512: 
                   3513: /**
                   3514:  * xmlTextWriterWriteFormatDTDAttlist:
                   3515:  * @writer:  the xmlTextWriterPtr
                   3516:  * @name:  the name of the DTD ATTLIST
                   3517:  * @format:  format string (see printf)
                   3518:  * @...:  extra parameters for the format
                   3519:  *
                   3520:  * Write a formatted DTD ATTLIST.
                   3521:  *
                   3522:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3523:  */
                   3524: int XMLCDECL
                   3525: xmlTextWriterWriteFormatDTDAttlist(xmlTextWriterPtr writer,
                   3526:                                    const xmlChar * name,
                   3527:                                    const char *format, ...)
                   3528: {
                   3529:     int rc;
                   3530:     va_list ap;
                   3531: 
                   3532:     va_start(ap, format);
                   3533: 
                   3534:     rc = xmlTextWriterWriteVFormatDTDAttlist(writer, name, format, ap);
                   3535: 
                   3536:     va_end(ap);
                   3537:     return rc;
                   3538: }
                   3539: 
                   3540: /**
                   3541:  * xmlTextWriterWriteVFormatDTDAttlist:
                   3542:  * @writer:  the xmlTextWriterPtr
                   3543:  * @name:  the name of the DTD ATTLIST
                   3544:  * @format:  format string (see printf)
                   3545:  * @argptr:  pointer to the first member of the variable argument list.
                   3546:  *
                   3547:  * Write a formatted DTD ATTLIST.
                   3548:  *
                   3549:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3550:  */
                   3551: int
                   3552: xmlTextWriterWriteVFormatDTDAttlist(xmlTextWriterPtr writer,
                   3553:                                     const xmlChar * name,
                   3554:                                     const char *format, va_list argptr)
                   3555: {
                   3556:     int rc;
                   3557:     xmlChar *buf;
                   3558: 
                   3559:     if (writer == NULL)
                   3560:         return -1;
                   3561: 
                   3562:     buf = xmlTextWriterVSprintf(format, argptr);
                   3563:     if (buf == NULL)
                   3564:         return -1;
                   3565: 
                   3566:     rc = xmlTextWriterWriteDTDAttlist(writer, name, buf);
                   3567: 
                   3568:     xmlFree(buf);
                   3569:     return rc;
                   3570: }
                   3571: 
                   3572: /**
                   3573:  * xmlTextWriterWriteDTDAttlist:
                   3574:  * @writer:  the xmlTextWriterPtr
                   3575:  * @name:  the name of the DTD ATTLIST
                   3576:  * @content:  content of the ATTLIST
                   3577:  *
                   3578:  * Write a DTD ATTLIST.
                   3579:  *
                   3580:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3581:  */
                   3582: int
                   3583: xmlTextWriterWriteDTDAttlist(xmlTextWriterPtr writer,
                   3584:                              const xmlChar * name, const xmlChar * content)
                   3585: {
                   3586:     int count;
                   3587:     int sum;
                   3588: 
                   3589:     if (content == NULL)
                   3590:         return -1;
                   3591: 
                   3592:     sum = 0;
                   3593:     count = xmlTextWriterStartDTDAttlist(writer, name);
                   3594:     if (count == -1)
                   3595:         return -1;
                   3596:     sum += count;
                   3597: 
                   3598:     count = xmlTextWriterWriteString(writer, content);
                   3599:     if (count == -1)
                   3600:         return -1;
                   3601:     sum += count;
                   3602: 
                   3603:     count = xmlTextWriterEndDTDAttlist(writer);
                   3604:     if (count == -1)
                   3605:         return -1;
                   3606:     sum += count;
                   3607: 
                   3608:     return sum;
                   3609: }
                   3610: 
                   3611: /**
                   3612:  * xmlTextWriterStartDTDEntity:
                   3613:  * @writer:  the xmlTextWriterPtr
                   3614:  * @pe:  TRUE if this is a parameter entity, FALSE if not
                   3615:  * @name:  the name of the DTD ATTLIST
                   3616:  *
                   3617:  * Start an xml DTD ATTLIST.
                   3618:  *
                   3619:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3620:  */
                   3621: int
                   3622: xmlTextWriterStartDTDEntity(xmlTextWriterPtr writer,
                   3623:                             int pe, const xmlChar * name)
                   3624: {
                   3625:     int count;
                   3626:     int sum;
                   3627:     xmlLinkPtr lk;
                   3628:     xmlTextWriterStackEntry *p;
                   3629: 
                   3630:     if (writer == NULL || name == NULL || *name == '\0')
                   3631:         return -1;
                   3632: 
                   3633:     sum = 0;
                   3634:     lk = xmlListFront(writer->nodes);
                   3635:     if (lk != 0) {
                   3636: 
                   3637:         p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3638:         if (p != 0) {
                   3639:             switch (p->state) {
                   3640:                 case XML_TEXTWRITER_DTD:
                   3641:                     count = xmlOutputBufferWriteString(writer->out, " [");
                   3642:                     if (count < 0)
                   3643:                         return -1;
                   3644:                     sum += count;
                   3645:                     if (writer->indent) {
                   3646:                         count =
                   3647:                             xmlOutputBufferWriteString(writer->out, "\n");
                   3648:                         if (count < 0)
                   3649:                             return -1;
                   3650:                         sum += count;
                   3651:                     }
                   3652:                     p->state = XML_TEXTWRITER_DTD_TEXT;
                   3653:                     /* fallthrough */
                   3654:                 case XML_TEXTWRITER_DTD_TEXT:
                   3655:                 case XML_TEXTWRITER_NONE:
                   3656:                     break;
                   3657:                 default:
                   3658:                     return -1;
                   3659:             }
                   3660:         }
                   3661:     }
                   3662: 
                   3663:     p = (xmlTextWriterStackEntry *)
                   3664:         xmlMalloc(sizeof(xmlTextWriterStackEntry));
                   3665:     if (p == 0) {
                   3666:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   3667:                         "xmlTextWriterStartDTDElement : out of memory!\n");
                   3668:         return -1;
                   3669:     }
                   3670: 
                   3671:     p->name = xmlStrdup(name);
                   3672:     if (p->name == 0) {
                   3673:         xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                   3674:                         "xmlTextWriterStartDTDElement : out of memory!\n");
                   3675:         xmlFree(p);
                   3676:         return -1;
                   3677:     }
                   3678: 
                   3679:     if (pe != 0)
                   3680:         p->state = XML_TEXTWRITER_DTD_PENT;
                   3681:     else
                   3682:         p->state = XML_TEXTWRITER_DTD_ENTY;
                   3683: 
                   3684:     xmlListPushFront(writer->nodes, p);
                   3685: 
                   3686:     if (writer->indent) {
                   3687:         count = xmlTextWriterWriteIndent(writer);
                   3688:         if (count < 0)
                   3689:             return -1;
                   3690:         sum += count;
                   3691:     }
                   3692: 
                   3693:     count = xmlOutputBufferWriteString(writer->out, "<!ENTITY ");
                   3694:     if (count < 0)
                   3695:         return -1;
                   3696:     sum += count;
                   3697: 
                   3698:     if (pe != 0) {
                   3699:         count = xmlOutputBufferWriteString(writer->out, "% ");
                   3700:         if (count < 0)
                   3701:             return -1;
                   3702:         sum += count;
                   3703:     }
                   3704: 
                   3705:     count = xmlOutputBufferWriteString(writer->out, (const char *) name);
                   3706:     if (count < 0)
                   3707:         return -1;
                   3708:     sum += count;
                   3709: 
                   3710:     return sum;
                   3711: }
                   3712: 
                   3713: /**
                   3714:  * xmlTextWriterEndDTDEntity:
                   3715:  * @writer:  the xmlTextWriterPtr
                   3716:  *
                   3717:  * End an xml DTD entity.
                   3718:  *
                   3719:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3720:  */
                   3721: int
                   3722: xmlTextWriterEndDTDEntity(xmlTextWriterPtr writer)
                   3723: {
                   3724:     int count;
                   3725:     int sum;
                   3726:     xmlLinkPtr lk;
                   3727:     xmlTextWriterStackEntry *p;
                   3728: 
                   3729:     if (writer == NULL)
                   3730:         return -1;
                   3731: 
                   3732:     sum = 0;
                   3733:     lk = xmlListFront(writer->nodes);
                   3734:     if (lk == 0)
                   3735:         return -1;
                   3736: 
                   3737:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3738:     if (p == 0)
                   3739:         return -1;
                   3740: 
                   3741:     switch (p->state) {
                   3742:         case XML_TEXTWRITER_DTD_ENTY_TEXT:
                   3743:             count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   3744:             if (count < 0)
                   3745:                 return -1;
                   3746:             sum += count;
                   3747:         case XML_TEXTWRITER_DTD_ENTY:
                   3748:         case XML_TEXTWRITER_DTD_PENT:
                   3749:             count = xmlOutputBufferWriteString(writer->out, ">");
                   3750:             if (count < 0)
                   3751:                 return -1;
                   3752:             sum += count;
                   3753:             break;
                   3754:         default:
                   3755:             return -1;
                   3756:     }
                   3757: 
                   3758:     if (writer->indent) {
                   3759:         count = xmlOutputBufferWriteString(writer->out, "\n");
                   3760:         if (count < 0)
                   3761:             return -1;
                   3762:         sum += count;
                   3763:     }
                   3764: 
                   3765:     xmlListPopFront(writer->nodes);
                   3766:     return sum;
                   3767: }
                   3768: 
                   3769: /**
                   3770:  * xmlTextWriterWriteFormatDTDInternalEntity:
                   3771:  * @writer:  the xmlTextWriterPtr
                   3772:  * @pe:  TRUE if this is a parameter entity, FALSE if not
                   3773:  * @name:  the name of the DTD entity
                   3774:  * @format:  format string (see printf)
                   3775:  * @...:  extra parameters for the format
                   3776:  *
                   3777:  * Write a formatted DTD internal entity.
                   3778:  *
                   3779:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3780:  */
                   3781: int XMLCDECL
                   3782: xmlTextWriterWriteFormatDTDInternalEntity(xmlTextWriterPtr writer,
                   3783:                                           int pe,
                   3784:                                           const xmlChar * name,
                   3785:                                           const char *format, ...)
                   3786: {
                   3787:     int rc;
                   3788:     va_list ap;
                   3789: 
                   3790:     va_start(ap, format);
                   3791: 
                   3792:     rc = xmlTextWriterWriteVFormatDTDInternalEntity(writer, pe, name,
                   3793:                                                     format, ap);
                   3794: 
                   3795:     va_end(ap);
                   3796:     return rc;
                   3797: }
                   3798: 
                   3799: /**
                   3800:  * xmlTextWriterWriteVFormatDTDInternalEntity:
                   3801:  * @writer:  the xmlTextWriterPtr
                   3802:  * @pe:  TRUE if this is a parameter entity, FALSE if not
                   3803:  * @name:  the name of the DTD entity
                   3804:  * @format:  format string (see printf)
                   3805:  * @argptr:  pointer to the first member of the variable argument list.
                   3806:  *
                   3807:  * Write a formatted DTD internal entity.
                   3808:  *
                   3809:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3810:  */
                   3811: int
                   3812: xmlTextWriterWriteVFormatDTDInternalEntity(xmlTextWriterPtr writer,
                   3813:                                            int pe,
                   3814:                                            const xmlChar * name,
                   3815:                                            const char *format,
                   3816:                                            va_list argptr)
                   3817: {
                   3818:     int rc;
                   3819:     xmlChar *buf;
                   3820: 
                   3821:     if (writer == NULL)
                   3822:         return -1;
                   3823: 
                   3824:     buf = xmlTextWriterVSprintf(format, argptr);
                   3825:     if (buf == NULL)
                   3826:         return -1;
                   3827: 
                   3828:     rc = xmlTextWriterWriteDTDInternalEntity(writer, pe, name, buf);
                   3829: 
                   3830:     xmlFree(buf);
                   3831:     return rc;
                   3832: }
                   3833: 
                   3834: /**
                   3835:  * xmlTextWriterWriteDTDEntity:
                   3836:  * @writer:  the xmlTextWriterPtr
                   3837:  * @pe:  TRUE if this is a parameter entity, FALSE if not
                   3838:  * @name:  the name of the DTD entity
                   3839:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   3840:  * @sysid:  the system identifier, which is the URI of the DTD
                   3841:  * @ndataid:  the xml notation name.
                   3842:  * @content:  content of the entity
                   3843:  *
                   3844:  * Write a DTD entity.
                   3845:  *
                   3846:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3847:  */
                   3848: int
                   3849: xmlTextWriterWriteDTDEntity(xmlTextWriterPtr writer,
                   3850:                             int pe,
                   3851:                             const xmlChar * name,
                   3852:                             const xmlChar * pubid,
                   3853:                             const xmlChar * sysid,
                   3854:                             const xmlChar * ndataid,
                   3855:                             const xmlChar * content)
                   3856: {
                   3857:     if ((content == NULL) && (pubid == NULL) && (sysid == NULL))
                   3858:         return -1;
                   3859:     if ((pe != 0) && (ndataid != NULL))
                   3860:         return -1;
                   3861: 
                   3862:     if ((pubid == NULL) && (sysid == NULL))
                   3863:         return xmlTextWriterWriteDTDInternalEntity(writer, pe, name,
                   3864:                                                    content);
                   3865: 
                   3866:     return xmlTextWriterWriteDTDExternalEntity(writer, pe, name, pubid,
                   3867:                                                sysid, ndataid);
                   3868: }
                   3869: 
                   3870: /**
                   3871:  * xmlTextWriterWriteDTDInternalEntity:
                   3872:  * @writer:  the xmlTextWriterPtr
                   3873:  * @pe:  TRUE if this is a parameter entity, FALSE if not
                   3874:  * @name:  the name of the DTD entity
                   3875:  * @content:  content of the entity
                   3876:  *
                   3877:  * Write a DTD internal entity.
                   3878:  *
                   3879:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3880:  */
                   3881: int
                   3882: xmlTextWriterWriteDTDInternalEntity(xmlTextWriterPtr writer,
                   3883:                                     int pe,
                   3884:                                     const xmlChar * name,
                   3885:                                     const xmlChar * content)
                   3886: {
                   3887:     int count;
                   3888:     int sum;
                   3889: 
                   3890:     if ((name == NULL) || (*name == '\0') || (content == NULL))
                   3891:         return -1;
                   3892: 
                   3893:     sum = 0;
                   3894:     count = xmlTextWriterStartDTDEntity(writer, pe, name);
                   3895:     if (count == -1)
                   3896:         return -1;
                   3897:     sum += count;
                   3898: 
                   3899:     count = xmlTextWriterWriteString(writer, content);
                   3900:     if (count == -1)
                   3901:         return -1;
                   3902:     sum += count;
                   3903: 
                   3904:     count = xmlTextWriterEndDTDEntity(writer);
                   3905:     if (count == -1)
                   3906:         return -1;
                   3907:     sum += count;
                   3908: 
                   3909:     return sum;
                   3910: }
                   3911: 
                   3912: /**
                   3913:  * xmlTextWriterWriteDTDExternalEntity:
                   3914:  * @writer:  the xmlTextWriterPtr
                   3915:  * @pe:  TRUE if this is a parameter entity, FALSE if not
                   3916:  * @name:  the name of the DTD entity
                   3917:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   3918:  * @sysid:  the system identifier, which is the URI of the DTD
                   3919:  * @ndataid:  the xml notation name.
                   3920:  *
                   3921:  * Write a DTD external entity. The entity must have been started with xmlTextWriterStartDTDEntity
                   3922:  *
                   3923:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3924:  */
                   3925: int
                   3926: xmlTextWriterWriteDTDExternalEntity(xmlTextWriterPtr writer,
                   3927:                                     int pe,
                   3928:                                     const xmlChar * name,
                   3929:                                     const xmlChar * pubid,
                   3930:                                     const xmlChar * sysid,
                   3931:                                     const xmlChar * ndataid)
                   3932: {
                   3933:     int count;
                   3934:     int sum;
                   3935: 
                   3936:     if (((pubid == NULL) && (sysid == NULL)))
                   3937:         return -1;
                   3938:     if ((pe != 0) && (ndataid != NULL))
                   3939:         return -1;
                   3940: 
                   3941:     sum = 0;
                   3942:     count = xmlTextWriterStartDTDEntity(writer, pe, name);
                   3943:     if (count == -1)
                   3944:         return -1;
                   3945:     sum += count;
                   3946: 
                   3947:     count =
                   3948:         xmlTextWriterWriteDTDExternalEntityContents(writer, pubid, sysid,
                   3949:                                                     ndataid);
                   3950:     if (count < 0)
                   3951:         return -1;
                   3952:     sum += count;
                   3953: 
                   3954:     count = xmlTextWriterEndDTDEntity(writer);
                   3955:     if (count == -1)
                   3956:         return -1;
                   3957:     sum += count;
                   3958: 
                   3959:     return sum;
                   3960: }
                   3961: 
                   3962: /**
                   3963:  * xmlTextWriterWriteDTDExternalEntityContents:
                   3964:  * @writer:  the xmlTextWriterPtr
                   3965:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   3966:  * @sysid:  the system identifier, which is the URI of the DTD
                   3967:  * @ndataid:  the xml notation name.
                   3968:  *
                   3969:  * Write the contents of a DTD external entity.
                   3970:  *
                   3971:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   3972:  */
                   3973: int
                   3974: xmlTextWriterWriteDTDExternalEntityContents(xmlTextWriterPtr writer,
                   3975:                                             const xmlChar * pubid,
                   3976:                                             const xmlChar * sysid,
                   3977:                                             const xmlChar * ndataid)
                   3978: {
                   3979:     int count;
                   3980:     int sum;
                   3981:     xmlLinkPtr lk;
                   3982:     xmlTextWriterStackEntry *p;
                   3983: 
                   3984:     if (writer == NULL) {
                   3985:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   3986:                         "xmlTextWriterWriteDTDExternalEntityContents: xmlTextWriterPtr invalid!\n");
                   3987:         return -1;
                   3988:     }
                   3989: 
                   3990:     sum = 0;
                   3991:     lk = xmlListFront(writer->nodes);
                   3992:     if (lk == 0) {
                   3993:         xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   3994:                         "xmlTextWriterWriteDTDExternalEntityContents: you must call xmlTextWriterStartDTDEntity before the call to this function!\n");
                   3995:         return -1;
                   3996:     }
                   3997: 
                   3998:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   3999:     if (p == 0)
                   4000:         return -1;
                   4001: 
                   4002:     switch (p->state) {
                   4003:         case XML_TEXTWRITER_DTD_ENTY:
                   4004:             break;
                   4005:         case XML_TEXTWRITER_DTD_PENT:
                   4006:             if (ndataid != NULL) {
                   4007:                 xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   4008:                                 "xmlTextWriterWriteDTDExternalEntityContents: notation not allowed with parameter entities!\n");
                   4009:                 return -1;
                   4010:             }
                   4011:             break;
                   4012:         default:
                   4013:             xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   4014:                             "xmlTextWriterWriteDTDExternalEntityContents: you must call xmlTextWriterStartDTDEntity before the call to this function!\n");
                   4015:             return -1;
                   4016:     }
                   4017: 
                   4018:     if (pubid != 0) {
                   4019:         if (sysid == 0) {
                   4020:             xmlWriterErrMsg(writer, XML_ERR_INTERNAL_ERROR,
                   4021:                             "xmlTextWriterWriteDTDExternalEntityContents: system identifier needed!\n");
                   4022:             return -1;
                   4023:         }
                   4024: 
                   4025:         count = xmlOutputBufferWriteString(writer->out, " PUBLIC ");
                   4026:         if (count < 0)
                   4027:             return -1;
                   4028:         sum += count;
                   4029: 
                   4030:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4031:         if (count < 0)
                   4032:             return -1;
                   4033:         sum += count;
                   4034: 
                   4035:         count =
                   4036:             xmlOutputBufferWriteString(writer->out, (const char *) pubid);
                   4037:         if (count < 0)
                   4038:             return -1;
                   4039:         sum += count;
                   4040: 
                   4041:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4042:         if (count < 0)
                   4043:             return -1;
                   4044:         sum += count;
                   4045:     }
                   4046: 
                   4047:     if (sysid != 0) {
                   4048:         if (pubid == 0) {
                   4049:             count = xmlOutputBufferWriteString(writer->out, " SYSTEM");
                   4050:             if (count < 0)
                   4051:                 return -1;
                   4052:             sum += count;
                   4053:         }
                   4054: 
                   4055:         count = xmlOutputBufferWriteString(writer->out, " ");
                   4056:         if (count < 0)
                   4057:             return -1;
                   4058:         sum += count;
                   4059: 
                   4060:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4061:         if (count < 0)
                   4062:             return -1;
                   4063:         sum += count;
                   4064: 
                   4065:         count =
                   4066:             xmlOutputBufferWriteString(writer->out, (const char *) sysid);
                   4067:         if (count < 0)
                   4068:             return -1;
                   4069:         sum += count;
                   4070: 
                   4071:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4072:         if (count < 0)
                   4073:             return -1;
                   4074:         sum += count;
                   4075:     }
                   4076: 
                   4077:     if (ndataid != NULL) {
                   4078:         count = xmlOutputBufferWriteString(writer->out, " NDATA ");
                   4079:         if (count < 0)
                   4080:             return -1;
                   4081:         sum += count;
                   4082: 
                   4083:         count =
                   4084:             xmlOutputBufferWriteString(writer->out,
                   4085:                                        (const char *) ndataid);
                   4086:         if (count < 0)
                   4087:             return -1;
                   4088:         sum += count;
                   4089:     }
                   4090: 
                   4091:     return sum;
                   4092: }
                   4093: 
                   4094: /**
                   4095:  * xmlTextWriterWriteDTDNotation:
                   4096:  * @writer:  the xmlTextWriterPtr
                   4097:  * @name:  the name of the xml notation
                   4098:  * @pubid:  the public identifier, which is an alternative to the system identifier
                   4099:  * @sysid:  the system identifier, which is the URI of the DTD
                   4100:  *
                   4101:  * Write a DTD entity.
                   4102:  *
                   4103:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   4104:  */
                   4105: int
                   4106: xmlTextWriterWriteDTDNotation(xmlTextWriterPtr writer,
                   4107:                               const xmlChar * name,
                   4108:                               const xmlChar * pubid, const xmlChar * sysid)
                   4109: {
                   4110:     int count;
                   4111:     int sum;
                   4112:     xmlLinkPtr lk;
                   4113:     xmlTextWriterStackEntry *p;
                   4114: 
                   4115:     if (writer == NULL || name == NULL || *name == '\0')
                   4116:         return -1;
                   4117: 
                   4118:     sum = 0;
                   4119:     lk = xmlListFront(writer->nodes);
                   4120:     if (lk == 0) {
                   4121:         return -1;
                   4122:     }
                   4123: 
                   4124:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   4125:     if (p != 0) {
                   4126:         switch (p->state) {
                   4127:             case XML_TEXTWRITER_DTD:
                   4128:                 count = xmlOutputBufferWriteString(writer->out, " [");
                   4129:                 if (count < 0)
                   4130:                     return -1;
                   4131:                 sum += count;
                   4132:                 if (writer->indent) {
                   4133:                     count = xmlOutputBufferWriteString(writer->out, "\n");
                   4134:                     if (count < 0)
                   4135:                         return -1;
                   4136:                     sum += count;
                   4137:                 }
                   4138:                 p->state = XML_TEXTWRITER_DTD_TEXT;
                   4139:                 /* fallthrough */
                   4140:             case XML_TEXTWRITER_DTD_TEXT:
                   4141:                 break;
                   4142:             default:
                   4143:                 return -1;
                   4144:         }
                   4145:     }
                   4146: 
                   4147:     if (writer->indent) {
                   4148:         count = xmlTextWriterWriteIndent(writer);
                   4149:         if (count < 0)
                   4150:             return -1;
                   4151:         sum += count;
                   4152:     }
                   4153: 
                   4154:     count = xmlOutputBufferWriteString(writer->out, "<!NOTATION ");
                   4155:     if (count < 0)
                   4156:         return -1;
                   4157:     sum += count;
                   4158:     count = xmlOutputBufferWriteString(writer->out, (const char *) name);
                   4159:     if (count < 0)
                   4160:         return -1;
                   4161:     sum += count;
                   4162: 
                   4163:     if (pubid != 0) {
                   4164:         count = xmlOutputBufferWriteString(writer->out, " PUBLIC ");
                   4165:         if (count < 0)
                   4166:             return -1;
                   4167:         sum += count;
                   4168:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4169:         if (count < 0)
                   4170:             return -1;
                   4171:         sum += count;
                   4172:         count =
                   4173:             xmlOutputBufferWriteString(writer->out, (const char *) pubid);
                   4174:         if (count < 0)
                   4175:             return -1;
                   4176:         sum += count;
                   4177:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4178:         if (count < 0)
                   4179:             return -1;
                   4180:         sum += count;
                   4181:     }
                   4182: 
                   4183:     if (sysid != 0) {
                   4184:         if (pubid == 0) {
                   4185:             count = xmlOutputBufferWriteString(writer->out, " SYSTEM");
                   4186:             if (count < 0)
                   4187:                 return -1;
                   4188:             sum += count;
                   4189:         }
                   4190:         count = xmlOutputBufferWriteString(writer->out, " ");
                   4191:         if (count < 0)
                   4192:             return -1;
                   4193:         sum += count;
                   4194:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4195:         if (count < 0)
                   4196:             return -1;
                   4197:         sum += count;
                   4198:         count =
                   4199:             xmlOutputBufferWriteString(writer->out, (const char *) sysid);
                   4200:         if (count < 0)
                   4201:             return -1;
                   4202:         sum += count;
                   4203:         count = xmlOutputBufferWrite(writer->out, 1, &writer->qchar);
                   4204:         if (count < 0)
                   4205:             return -1;
                   4206:         sum += count;
                   4207:     }
                   4208: 
                   4209:     count = xmlOutputBufferWriteString(writer->out, ">");
                   4210:     if (count < 0)
                   4211:         return -1;
                   4212:     sum += count;
                   4213: 
                   4214:     return sum;
                   4215: }
                   4216: 
                   4217: /**
                   4218:  * xmlTextWriterFlush:
                   4219:  * @writer:  the xmlTextWriterPtr
                   4220:  *
                   4221:  * Flush the output buffer.
                   4222:  *
                   4223:  * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
                   4224:  */
                   4225: int
                   4226: xmlTextWriterFlush(xmlTextWriterPtr writer)
                   4227: {
                   4228:     int count;
                   4229: 
                   4230:     if (writer == NULL)
                   4231:         return -1;
                   4232: 
                   4233:     if (writer->out == NULL)
                   4234:         count = 0;
                   4235:     else
                   4236:         count = xmlOutputBufferFlush(writer->out);
                   4237: 
                   4238:     return count;
                   4239: }
                   4240: 
                   4241: /**
                   4242:  * misc
                   4243:  */
                   4244: 
                   4245: /**
                   4246:  * xmlFreeTextWriterStackEntry:
                   4247:  * @lk:  the xmlLinkPtr
                   4248:  *
                   4249:  * Free callback for the xmlList.
                   4250:  */
                   4251: static void
                   4252: xmlFreeTextWriterStackEntry(xmlLinkPtr lk)
                   4253: {
                   4254:     xmlTextWriterStackEntry *p;
                   4255: 
                   4256:     p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
                   4257:     if (p == 0)
                   4258:         return;
                   4259: 
                   4260:     if (p->name != 0)
                   4261:         xmlFree(p->name);
                   4262:     xmlFree(p);
                   4263: }
                   4264: 
                   4265: /**
                   4266:  * xmlCmpTextWriterStackEntry:
                   4267:  * @data0:  the first data
                   4268:  * @data1:  the second data
                   4269:  *
                   4270:  * Compare callback for the xmlList.
                   4271:  *
                   4272:  * Returns -1, 0, 1
                   4273:  */
                   4274: static int
                   4275: xmlCmpTextWriterStackEntry(const void *data0, const void *data1)
                   4276: {
                   4277:     xmlTextWriterStackEntry *p0;
                   4278:     xmlTextWriterStackEntry *p1;
                   4279: 
                   4280:     if (data0 == data1)
                   4281:         return 0;
                   4282: 
                   4283:     if (data0 == 0)
                   4284:         return -1;
                   4285: 
                   4286:     if (data1 == 0)
                   4287:         return 1;
                   4288: 
                   4289:     p0 = (xmlTextWriterStackEntry *) data0;
                   4290:     p1 = (xmlTextWriterStackEntry *) data1;
                   4291: 
                   4292:     return xmlStrcmp(p0->name, p1->name);
                   4293: }
                   4294: 
                   4295: /**
                   4296:  * misc
                   4297:  */
                   4298: 
                   4299: /**
                   4300:  * xmlTextWriterOutputNSDecl:
                   4301:  * @writer:  the xmlTextWriterPtr
                   4302:  *
                   4303:  * Output the current namespace declarations.
                   4304:  */
                   4305: static int
                   4306: xmlTextWriterOutputNSDecl(xmlTextWriterPtr writer)
                   4307: {
                   4308:     xmlLinkPtr lk;
                   4309:     xmlTextWriterNsStackEntry *np;
                   4310:     int count;
                   4311:     int sum;
                   4312: 
                   4313:     sum = 0;
                   4314:     while (!xmlListEmpty(writer->nsstack)) {
                   4315:         xmlChar *namespaceURI = NULL;
                   4316:         xmlChar *prefix = NULL;
                   4317: 
                   4318:         lk = xmlListFront(writer->nsstack);
                   4319:         np = (xmlTextWriterNsStackEntry *) xmlLinkGetData(lk);
                   4320: 
                   4321:         if (np != 0) {
                   4322:             namespaceURI = xmlStrdup(np->uri);
                   4323:             prefix = xmlStrdup(np->prefix);
                   4324:         }
                   4325: 
                   4326:         xmlListPopFront(writer->nsstack);
                   4327: 
                   4328:         if (np != 0) {
                   4329:             count = xmlTextWriterWriteAttribute(writer, prefix, namespaceURI);
                   4330:             xmlFree(namespaceURI);
                   4331:             xmlFree(prefix);
                   4332: 
                   4333:             if (count < 0) {
                   4334:                 xmlListDelete(writer->nsstack);
                   4335:                 writer->nsstack = NULL;
                   4336:                 return -1;
                   4337:             }
                   4338:             sum += count;
                   4339:         }
                   4340:     }
                   4341:     return sum;
                   4342: }
                   4343: 
                   4344: /**
                   4345:  * xmlFreeTextWriterNsStackEntry:
                   4346:  * @lk:  the xmlLinkPtr
                   4347:  *
                   4348:  * Free callback for the xmlList.
                   4349:  */
                   4350: static void
                   4351: xmlFreeTextWriterNsStackEntry(xmlLinkPtr lk)
                   4352: {
                   4353:     xmlTextWriterNsStackEntry *p;
                   4354: 
                   4355:     p = (xmlTextWriterNsStackEntry *) xmlLinkGetData(lk);
                   4356:     if (p == 0)
                   4357:         return;
                   4358: 
                   4359:     if (p->prefix != 0)
                   4360:         xmlFree(p->prefix);
                   4361:     if (p->uri != 0)
                   4362:         xmlFree(p->uri);
                   4363: 
                   4364:     xmlFree(p);
                   4365: }
                   4366: 
                   4367: /**
                   4368:  * xmlCmpTextWriterNsStackEntry:
                   4369:  * @data0:  the first data
                   4370:  * @data1:  the second data
                   4371:  *
                   4372:  * Compare callback for the xmlList.
                   4373:  *
                   4374:  * Returns -1, 0, 1
                   4375:  */
                   4376: static int
                   4377: xmlCmpTextWriterNsStackEntry(const void *data0, const void *data1)
                   4378: {
                   4379:     xmlTextWriterNsStackEntry *p0;
                   4380:     xmlTextWriterNsStackEntry *p1;
                   4381:     int rc;
                   4382: 
                   4383:     if (data0 == data1)
                   4384:         return 0;
                   4385: 
                   4386:     if (data0 == 0)
                   4387:         return -1;
                   4388: 
                   4389:     if (data1 == 0)
                   4390:         return 1;
                   4391: 
                   4392:     p0 = (xmlTextWriterNsStackEntry *) data0;
                   4393:     p1 = (xmlTextWriterNsStackEntry *) data1;
                   4394: 
                   4395:     rc = xmlStrcmp(p0->prefix, p1->prefix);
                   4396: 
                   4397:     if ((rc != 0) || (p0->elem != p1->elem))
                   4398:         rc = -1;
                   4399: 
                   4400:     return rc;
                   4401: }
                   4402: 
                   4403: /**
                   4404:  * xmlTextWriterWriteDocCallback:
                   4405:  * @context:  the xmlBufferPtr
                   4406:  * @str:  the data to write
                   4407:  * @len:  the length of the data
                   4408:  *
                   4409:  * Write callback for the xmlOutputBuffer with target xmlBuffer
                   4410:  *
                   4411:  * Returns -1, 0, 1
                   4412:  */
                   4413: static int
                   4414: xmlTextWriterWriteDocCallback(void *context, const xmlChar * str, int len)
                   4415: {
                   4416:     xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) context;
                   4417:     int rc;
                   4418: 
                   4419:     if ((rc = xmlParseChunk(ctxt, (const char *) str, len, 0)) != 0) {
                   4420:         xmlWriterErrMsgInt(NULL, XML_ERR_INTERNAL_ERROR,
                   4421:                         "xmlTextWriterWriteDocCallback : XML error %d !\n",
                   4422:                         rc);
                   4423:         return -1;
                   4424:     }
                   4425: 
                   4426:     return len;
                   4427: }
                   4428: 
                   4429: /**
                   4430:  * xmlTextWriterCloseDocCallback:
                   4431:  * @context:  the xmlBufferPtr
                   4432:  *
                   4433:  * Close callback for the xmlOutputBuffer with target xmlBuffer
                   4434:  *
                   4435:  * Returns -1, 0, 1
                   4436:  */
                   4437: static int
                   4438: xmlTextWriterCloseDocCallback(void *context)
                   4439: {
                   4440:     xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) context;
                   4441:     int rc;
                   4442: 
                   4443:     if ((rc = xmlParseChunk(ctxt, NULL, 0, 1)) != 0) {
                   4444:         xmlWriterErrMsgInt(NULL, XML_ERR_INTERNAL_ERROR,
                   4445:                         "xmlTextWriterWriteDocCallback : XML error %d !\n",
                   4446:                         rc);
                   4447:         return -1;
                   4448:     }
                   4449: 
                   4450:     return 0;
                   4451: }
                   4452: 
                   4453: /**
                   4454:  * xmlTextWriterVSprintf:
                   4455:  * @format:  see printf
                   4456:  * @argptr:  pointer to the first member of the variable argument list.
                   4457:  *
                   4458:  * Utility function for formatted output
                   4459:  *
                   4460:  * Returns a new xmlChar buffer with the data or NULL on error. This buffer must be freed.
                   4461:  */
                   4462: static xmlChar *
                   4463: xmlTextWriterVSprintf(const char *format, va_list argptr)
                   4464: {
                   4465:     int size;
                   4466:     int count;
                   4467:     xmlChar *buf;
                   4468:     va_list locarg;
                   4469: 
                   4470:     size = BUFSIZ;
                   4471:     buf = (xmlChar *) xmlMalloc(size);
                   4472:     if (buf == NULL) {
                   4473:         xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                   4474:                         "xmlTextWriterVSprintf : out of memory!\n");
                   4475:         return NULL;
                   4476:     }
                   4477: 
                   4478:     VA_COPY(locarg, argptr);
                   4479:     while (((count = vsnprintf((char *) buf, size, format, locarg)) < 0)
                   4480:            || (count == size - 1) || (count == size) || (count > size)) {
                   4481:        va_end(locarg);
                   4482:         xmlFree(buf);
                   4483:         size += BUFSIZ;
                   4484:         buf = (xmlChar *) xmlMalloc(size);
                   4485:         if (buf == NULL) {
                   4486:             xmlWriterErrMsg(NULL, XML_ERR_NO_MEMORY,
                   4487:                             "xmlTextWriterVSprintf : out of memory!\n");
                   4488:             return NULL;
                   4489:         }
                   4490:        VA_COPY(locarg, argptr);
                   4491:     }
                   4492:     va_end(locarg);
                   4493: 
                   4494:     return buf;
                   4495: }
                   4496: 
                   4497: /**
                   4498:  * xmlTextWriterStartDocumentCallback:
                   4499:  * @ctx: the user data (XML parser context)
                   4500:  *
                   4501:  * called at the start of document processing.
                   4502:  */
                   4503: static void
                   4504: xmlTextWriterStartDocumentCallback(void *ctx)
                   4505: {
                   4506:     xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
                   4507:     xmlDocPtr doc;
                   4508: 
                   4509:     if (ctxt->html) {
                   4510: #ifdef LIBXML_HTML_ENABLED
                   4511:         if (ctxt->myDoc == NULL)
                   4512:             ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL);
                   4513:         if (ctxt->myDoc == NULL) {
                   4514:             if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
                   4515:                 ctxt->sax->error(ctxt->userData,
                   4516:                                  "SAX.startDocument(): out of memory\n");
                   4517:             ctxt->errNo = XML_ERR_NO_MEMORY;
                   4518:             ctxt->instate = XML_PARSER_EOF;
                   4519:             ctxt->disableSAX = 1;
                   4520:             return;
                   4521:         }
                   4522: #else
                   4523:         xmlWriterErrMsg(NULL, XML_ERR_INTERNAL_ERROR,
                   4524:                         "libxml2 built without HTML support\n");
                   4525:         ctxt->errNo = XML_ERR_INTERNAL_ERROR;
                   4526:         ctxt->instate = XML_PARSER_EOF;
                   4527:         ctxt->disableSAX = 1;
                   4528:         return;
                   4529: #endif
                   4530:     } else {
                   4531:         doc = ctxt->myDoc;
                   4532:         if (doc == NULL)
                   4533:             doc = ctxt->myDoc = xmlNewDoc(ctxt->version);
                   4534:         if (doc != NULL) {
                   4535:             if (doc->children == NULL) {
                   4536:                 if (ctxt->encoding != NULL)
                   4537:                     doc->encoding = xmlStrdup(ctxt->encoding);
                   4538:                 else
                   4539:                     doc->encoding = NULL;
                   4540:                 doc->standalone = ctxt->standalone;
                   4541:             }
                   4542:         } else {
                   4543:             if ((ctxt->sax != NULL) && (ctxt->sax->error != NULL))
                   4544:                 ctxt->sax->error(ctxt->userData,
                   4545:                                  "SAX.startDocument(): out of memory\n");
                   4546:             ctxt->errNo = XML_ERR_NO_MEMORY;
                   4547:             ctxt->instate = XML_PARSER_EOF;
                   4548:             ctxt->disableSAX = 1;
                   4549:             return;
                   4550:         }
                   4551:     }
                   4552:     if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) &&
                   4553:         (ctxt->input != NULL) && (ctxt->input->filename != NULL)) {
                   4554:         ctxt->myDoc->URL =
                   4555:             xmlCanonicPath((const xmlChar *) ctxt->input->filename);
                   4556:         if (ctxt->myDoc->URL == NULL)
                   4557:             ctxt->myDoc->URL =
                   4558:                 xmlStrdup((const xmlChar *) ctxt->input->filename);
                   4559:     }
                   4560: }
                   4561: 
                   4562: /**
                   4563:  * xmlTextWriterSetIndent:
                   4564:  * @writer:  the xmlTextWriterPtr
                   4565:  * @indent:  do indentation?
                   4566:  *
                   4567:  * Set indentation output. indent = 0 do not indentation. indent > 0 do indentation.
                   4568:  *
                   4569:  * Returns -1 on error or 0 otherwise.
                   4570:  */
                   4571: int
                   4572: xmlTextWriterSetIndent(xmlTextWriterPtr writer, int indent)
                   4573: {
                   4574:     if ((writer == NULL) || (indent < 0))
                   4575:         return -1;
                   4576: 
                   4577:     writer->indent = indent;
                   4578:     writer->doindent = 1;
                   4579: 
                   4580:     return 0;
                   4581: }
                   4582: 
                   4583: /**
                   4584:  * xmlTextWriterSetIndentString:
                   4585:  * @writer:  the xmlTextWriterPtr
                   4586:  * @str:  the xmlChar string
                   4587:  *
                   4588:  * Set string indentation.
                   4589:  *
                   4590:  * Returns -1 on error or 0 otherwise.
                   4591:  */
                   4592: int
                   4593: xmlTextWriterSetIndentString(xmlTextWriterPtr writer, const xmlChar * str)
                   4594: {
                   4595:     if ((writer == NULL) || (!str))
                   4596:         return -1;
                   4597: 
                   4598:     if (writer->ichar != NULL)
                   4599:         xmlFree(writer->ichar);
                   4600:     writer->ichar = xmlStrdup(str);
                   4601: 
                   4602:     if (!writer->ichar)
                   4603:         return -1;
                   4604:     else
                   4605:         return 0;
                   4606: }
                   4607: 
                   4608: /**
                   4609:  * xmlTextWriterWriteIndent:
                   4610:  * @writer:  the xmlTextWriterPtr
                   4611:  *
                   4612:  * Write indent string.
                   4613:  *
                   4614:  * Returns -1 on error or the number of strings written.
                   4615:  */
                   4616: static int
                   4617: xmlTextWriterWriteIndent(xmlTextWriterPtr writer)
                   4618: {
                   4619:     int lksize;
                   4620:     int i;
                   4621:     int ret;
                   4622: 
                   4623:     lksize = xmlListSize(writer->nodes);
                   4624:     if (lksize < 1)
                   4625:         return (-1);            /* list is empty */
                   4626:     for (i = 0; i < (lksize - 1); i++) {
                   4627:         ret = xmlOutputBufferWriteString(writer->out,
                   4628:                                          (const char *) writer->ichar);
                   4629:         if (ret == -1)
                   4630:             return (-1);
                   4631:     }
                   4632: 
                   4633:     return (lksize - 1);
                   4634: }
                   4635: 
                   4636: /**
                   4637:  * xmlTextWriterHandleStateDependencies:
                   4638:  * @writer:  the xmlTextWriterPtr
                   4639:  * @p:  the xmlTextWriterStackEntry
                   4640:  *
                   4641:  * Write state dependent strings.
                   4642:  *
                   4643:  * Returns -1 on error or the number of characters written.
                   4644:  */
                   4645: static int
                   4646: xmlTextWriterHandleStateDependencies(xmlTextWriterPtr writer,
                   4647:                                      xmlTextWriterStackEntry * p)
                   4648: {
                   4649:     int count;
                   4650:     int sum;
                   4651:     char extra[3];
                   4652: 
                   4653:     if (writer == NULL)
                   4654:         return -1;
                   4655: 
                   4656:     if (p == NULL)
                   4657:         return 0;
                   4658: 
                   4659:     sum = 0;
                   4660:     extra[0] = extra[1] = extra[2] = '\0';
                   4661:     if (p != 0) {
                   4662:         sum = 0;
                   4663:         switch (p->state) {
                   4664:             case XML_TEXTWRITER_NAME:
                   4665:                 /* Output namespace declarations */
                   4666:                 count = xmlTextWriterOutputNSDecl(writer);
                   4667:                 if (count < 0)
                   4668:                     return -1;
                   4669:                 sum += count;
                   4670:                 extra[0] = '>';
                   4671:                 p->state = XML_TEXTWRITER_TEXT;
                   4672:                 break;
                   4673:             case XML_TEXTWRITER_PI:
                   4674:                 extra[0] = ' ';
                   4675:                 p->state = XML_TEXTWRITER_PI_TEXT;
                   4676:                 break;
                   4677:             case XML_TEXTWRITER_DTD:
                   4678:                 extra[0] = ' ';
                   4679:                 extra[1] = '[';
                   4680:                 p->state = XML_TEXTWRITER_DTD_TEXT;
                   4681:                 break;
                   4682:             case XML_TEXTWRITER_DTD_ELEM:
                   4683:                 extra[0] = ' ';
                   4684:                 p->state = XML_TEXTWRITER_DTD_ELEM_TEXT;
                   4685:                 break;
                   4686:             case XML_TEXTWRITER_DTD_ATTL:
                   4687:                 extra[0] = ' ';
                   4688:                 p->state = XML_TEXTWRITER_DTD_ATTL_TEXT;
                   4689:                 break;
                   4690:             case XML_TEXTWRITER_DTD_ENTY:
                   4691:             case XML_TEXTWRITER_DTD_PENT:
                   4692:                 extra[0] = ' ';
                   4693:                 extra[1] = writer->qchar;
                   4694:                 p->state = XML_TEXTWRITER_DTD_ENTY_TEXT;
                   4695:                 break;
                   4696:             default:
                   4697:                 break;
                   4698:         }
                   4699:     }
                   4700: 
                   4701:     if (*extra != '\0') {
                   4702:         count = xmlOutputBufferWriteString(writer->out, extra);
                   4703:         if (count < 0)
                   4704:             return -1;
                   4705:         sum += count;
                   4706:     }
                   4707: 
                   4708:     return sum;
                   4709: }
                   4710: 
                   4711: #define bottom_xmlwriter
                   4712: #include "elfgcchack.h"
                   4713: #endif

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