Annotation of embedaddon/php/ext/libxml/libxml.c, revision 1.1.1.3
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
1.1.1.3 ! misho 5: | Copyright (c) 1997-2013 The PHP Group |
1.1 misho 6: +----------------------------------------------------------------------+
7: | This source file is subject to version 3.01 of the PHP license, |
8: | that is bundled with this package in the file LICENSE, and is |
9: | available through the world-wide-web at the following url: |
10: | http://www.php.net/license/3_01.txt |
11: | If you did not receive a copy of the PHP license and are unable to |
12: | obtain it through the world-wide-web, please send a note to |
13: | license@php.net so we can mail you a copy immediately. |
14: +----------------------------------------------------------------------+
15: | Authors: Shane Caraveo <shane@php.net> |
16: | Wez Furlong <wez@thebrainroom.com> |
17: +----------------------------------------------------------------------+
18: */
19:
1.1.1.2 misho 20: /* $Id$ */
1.1 misho 21:
22: #define IS_EXT_MODULE
23:
24: #ifdef HAVE_CONFIG_H
25: #include "config.h"
26: #endif
27:
28: #include "php.h"
1.1.1.2 misho 29: #include "SAPI.h"
1.1 misho 30:
31: #define PHP_XML_INTERNAL
32: #include "zend_variables.h"
33: #include "ext/standard/php_string.h"
34: #include "ext/standard/info.h"
35: #include "ext/standard/file.h"
36:
37: #if HAVE_LIBXML
38:
39: #include <libxml/parser.h>
40: #include <libxml/parserInternals.h>
41: #include <libxml/tree.h>
42: #include <libxml/uri.h>
43: #include <libxml/xmlerror.h>
44: #include <libxml/xmlsave.h>
45: #ifdef LIBXML_SCHEMAS_ENABLED
46: #include <libxml/relaxng.h>
47: #endif
48:
49: #include "php_libxml.h"
50:
51: #define PHP_LIBXML_ERROR 0
52: #define PHP_LIBXML_CTX_ERROR 1
53: #define PHP_LIBXML_CTX_WARNING 2
54:
55: /* a true global for initialization */
56: static int _php_libxml_initialized = 0;
1.1.1.2 misho 57: static int _php_libxml_per_request_initialization = 1;
58: static xmlExternalEntityLoader _php_libxml_default_entity_loader;
1.1 misho 59:
60: typedef struct _php_libxml_func_handler {
61: php_libxml_export_node export_func;
62: } php_libxml_func_handler;
63:
64: static HashTable php_libxml_exports;
65:
66: static ZEND_DECLARE_MODULE_GLOBALS(libxml)
67: static PHP_GINIT_FUNCTION(libxml);
68:
69: static PHP_FUNCTION(libxml_set_streams_context);
70: static PHP_FUNCTION(libxml_use_internal_errors);
71: static PHP_FUNCTION(libxml_get_last_error);
72: static PHP_FUNCTION(libxml_clear_errors);
73: static PHP_FUNCTION(libxml_get_errors);
1.1.1.2 misho 74: static PHP_FUNCTION(libxml_set_external_entity_loader);
1.1 misho 75: static PHP_FUNCTION(libxml_disable_entity_loader);
76:
77: static zend_class_entry *libxmlerror_class_entry;
78:
79: /* {{{ dynamically loadable module stuff */
80: #ifdef COMPILE_DL_LIBXML
81: ZEND_GET_MODULE(libxml)
82: #endif /* COMPILE_DL_LIBXML */
83: /* }}} */
84:
85: /* {{{ function prototypes */
86: static PHP_MINIT_FUNCTION(libxml);
87: static PHP_RINIT_FUNCTION(libxml);
88: static PHP_MSHUTDOWN_FUNCTION(libxml);
89: static PHP_MINFO_FUNCTION(libxml);
1.1.1.2 misho 90: static int php_libxml_post_deactivate();
1.1 misho 91:
92: /* }}} */
93:
94: /* {{{ arginfo */
95: ZEND_BEGIN_ARG_INFO(arginfo_libxml_set_streams_context, 0)
96: ZEND_ARG_INFO(0, context)
97: ZEND_END_ARG_INFO()
98:
99: ZEND_BEGIN_ARG_INFO_EX(arginfo_libxml_use_internal_errors, 0, 0, 0)
100: ZEND_ARG_INFO(0, use_errors)
101: ZEND_END_ARG_INFO()
102:
103: ZEND_BEGIN_ARG_INFO(arginfo_libxml_get_last_error, 0)
104: ZEND_END_ARG_INFO()
105:
106: ZEND_BEGIN_ARG_INFO(arginfo_libxml_get_errors, 0)
107: ZEND_END_ARG_INFO()
108:
109: ZEND_BEGIN_ARG_INFO(arginfo_libxml_clear_errors, 0)
110: ZEND_END_ARG_INFO()
111:
112: ZEND_BEGIN_ARG_INFO_EX(arginfo_libxml_disable_entity_loader, 0, 0, 0)
113: ZEND_ARG_INFO(0, disable)
114: ZEND_END_ARG_INFO()
115:
1.1.1.2 misho 116: ZEND_BEGIN_ARG_INFO_EX(arginfo_libxml_set_external_entity_loader, 0, 0, 1)
117: ZEND_ARG_INFO(0, resolver_function)
118: ZEND_END_ARG_INFO()
1.1 misho 119: /* }}} */
120:
121: /* {{{ extension definition structures */
122: static const zend_function_entry libxml_functions[] = {
123: PHP_FE(libxml_set_streams_context, arginfo_libxml_set_streams_context)
124: PHP_FE(libxml_use_internal_errors, arginfo_libxml_use_internal_errors)
125: PHP_FE(libxml_get_last_error, arginfo_libxml_get_last_error)
126: PHP_FE(libxml_clear_errors, arginfo_libxml_clear_errors)
127: PHP_FE(libxml_get_errors, arginfo_libxml_get_errors)
128: PHP_FE(libxml_disable_entity_loader, arginfo_libxml_disable_entity_loader)
1.1.1.2 misho 129: PHP_FE(libxml_set_external_entity_loader, arginfo_libxml_set_external_entity_loader)
1.1 misho 130: PHP_FE_END
131: };
132:
133: zend_module_entry libxml_module_entry = {
134: STANDARD_MODULE_HEADER,
135: "libxml", /* extension name */
136: libxml_functions, /* extension function list */
137: PHP_MINIT(libxml), /* extension-wide startup function */
138: PHP_MSHUTDOWN(libxml), /* extension-wide shutdown function */
139: PHP_RINIT(libxml), /* per-request startup function */
1.1.1.2 misho 140: NULL, /* per-request shutdown function */
1.1 misho 141: PHP_MINFO(libxml), /* information function */
142: NO_VERSION_YET,
143: PHP_MODULE_GLOBALS(libxml), /* globals descriptor */
144: PHP_GINIT(libxml), /* globals ctor */
145: NULL, /* globals dtor */
1.1.1.2 misho 146: php_libxml_post_deactivate, /* post deactivate */
1.1 misho 147: STANDARD_MODULE_PROPERTIES_EX
148: };
149:
150: /* }}} */
151:
152: /* {{{ internal functions for interoperability */
153: static int php_libxml_clear_object(php_libxml_node_object *object TSRMLS_DC)
154: {
155: if (object->properties) {
156: object->properties = NULL;
157: }
158: php_libxml_decrement_node_ptr(object TSRMLS_CC);
159: return php_libxml_decrement_doc_ref(object TSRMLS_CC);
160: }
161:
162: static int php_libxml_unregister_node(xmlNodePtr nodep TSRMLS_DC)
163: {
164: php_libxml_node_object *wrapper;
165:
166: php_libxml_node_ptr *nodeptr = nodep->_private;
167:
168: if (nodeptr != NULL) {
169: wrapper = nodeptr->_private;
170: if (wrapper) {
171: php_libxml_clear_object(wrapper TSRMLS_CC);
172: } else {
173: if (nodeptr->node != NULL && nodeptr->node->type != XML_DOCUMENT_NODE) {
174: nodeptr->node->_private = NULL;
175: }
176: nodeptr->node = NULL;
177: }
178: }
179:
180: return -1;
181: }
182:
183: static void php_libxml_node_free(xmlNodePtr node)
184: {
185: if(node) {
186: if (node->_private != NULL) {
187: ((php_libxml_node_ptr *) node->_private)->node = NULL;
188: }
189: switch (node->type) {
190: case XML_ATTRIBUTE_NODE:
191: xmlFreeProp((xmlAttrPtr) node);
192: break;
193: case XML_ENTITY_DECL:
194: case XML_ELEMENT_DECL:
195: case XML_ATTRIBUTE_DECL:
196: break;
197: case XML_NOTATION_NODE:
198: /* These require special handling */
199: if (node->name != NULL) {
200: xmlFree((char *) node->name);
201: }
202: if (((xmlEntityPtr) node)->ExternalID != NULL) {
203: xmlFree((char *) ((xmlEntityPtr) node)->ExternalID);
204: }
205: if (((xmlEntityPtr) node)->SystemID != NULL) {
206: xmlFree((char *) ((xmlEntityPtr) node)->SystemID);
207: }
208: xmlFree(node);
209: break;
210: case XML_NAMESPACE_DECL:
211: if (node->ns) {
212: xmlFreeNs(node->ns);
213: node->ns = NULL;
214: }
215: node->type = XML_ELEMENT_NODE;
216: default:
217: xmlFreeNode(node);
218: }
219: }
220: }
221:
222: static void php_libxml_node_free_list(xmlNodePtr node TSRMLS_DC)
223: {
224: xmlNodePtr curnode;
225:
226: if (node != NULL) {
227: curnode = node;
228: while (curnode != NULL) {
229: node = curnode;
230: switch (node->type) {
231: /* Skip property freeing for the following types */
232: case XML_NOTATION_NODE:
233: case XML_ENTITY_DECL:
234: break;
235: case XML_ENTITY_REF_NODE:
236: php_libxml_node_free_list((xmlNodePtr) node->properties TSRMLS_CC);
237: break;
238: case XML_ATTRIBUTE_NODE:
239: if ((node->doc != NULL) && (((xmlAttrPtr) node)->atype == XML_ATTRIBUTE_ID)) {
240: xmlRemoveID(node->doc, (xmlAttrPtr) node);
241: }
242: case XML_ATTRIBUTE_DECL:
243: case XML_DTD_NODE:
244: case XML_DOCUMENT_TYPE_NODE:
245: case XML_NAMESPACE_DECL:
246: case XML_TEXT_NODE:
247: php_libxml_node_free_list(node->children TSRMLS_CC);
248: break;
249: default:
250: php_libxml_node_free_list(node->children TSRMLS_CC);
251: php_libxml_node_free_list((xmlNodePtr) node->properties TSRMLS_CC);
252: }
253:
254: curnode = node->next;
255: xmlUnlinkNode(node);
256: if (php_libxml_unregister_node(node TSRMLS_CC) == 0) {
257: node->doc = NULL;
258: }
259: php_libxml_node_free(node);
260: }
261: }
262: }
263:
264: /* }}} */
265:
266: /* {{{ startup, shutdown and info functions */
267: static PHP_GINIT_FUNCTION(libxml)
268: {
269: libxml_globals->stream_context = NULL;
270: libxml_globals->error_buffer.c = NULL;
271: libxml_globals->error_list = NULL;
1.1.1.2 misho 272: libxml_globals->entity_loader.fci.size = 0;
1.1.1.3 ! misho 273: libxml_globals->entity_loader_disabled = 0;
1.1.1.2 misho 274: }
275:
276: static void _php_libxml_destroy_fci(zend_fcall_info *fci)
277: {
278: if (fci->size > 0) {
279: zval_ptr_dtor(&fci->function_name);
280: if (fci->object_ptr != NULL) {
281: zval_ptr_dtor(&fci->object_ptr);
282: }
283: fci->size = 0;
284: }
1.1 misho 285: }
286:
287: /* Channel libxml file io layer through the PHP streams subsystem.
288: * This allows use of ftps:// and https:// urls */
289:
290: static void *php_libxml_streams_IO_open_wrapper(const char *filename, const char *mode, const int read_only)
291: {
292: php_stream_statbuf ssbuf;
293: php_stream_context *context = NULL;
294: php_stream_wrapper *wrapper = NULL;
295: char *resolved_path, *path_to_open = NULL;
296: void *ret_val = NULL;
297: int isescaped=0;
298: xmlURI *uri;
299:
300: TSRMLS_FETCH();
301:
1.1.1.2 misho 302: uri = xmlParseURI(filename);
303: if (uri && (uri->scheme == NULL ||
304: (xmlStrncmp(BAD_CAST uri->scheme, BAD_CAST "file", 4) == 0))) {
1.1 misho 305: resolved_path = xmlURIUnescapeString(filename, 0, NULL);
306: isescaped = 1;
307: } else {
308: resolved_path = (char *)filename;
309: }
310:
311: if (uri) {
312: xmlFreeURI(uri);
313: }
314:
315: if (resolved_path == NULL) {
316: return NULL;
317: }
318:
319: /* logic copied from _php_stream_stat, but we only want to fail
320: if the wrapper supports stat, otherwise, figure it out from
321: the open. This logic is only to support hiding warnings
322: that the streams layer puts out at times, but for libxml we
323: may try to open files that don't exist, but it is not a failure
324: in xml processing (eg. DTD files) */
1.1.1.2 misho 325: wrapper = php_stream_locate_url_wrapper(resolved_path, &path_to_open, 0 TSRMLS_CC);
1.1 misho 326: if (wrapper && read_only && wrapper->wops->url_stat) {
327: if (wrapper->wops->url_stat(wrapper, path_to_open, PHP_STREAM_URL_STAT_QUIET, &ssbuf, NULL TSRMLS_CC) == -1) {
328: if (isescaped) {
329: xmlFree(resolved_path);
330: }
331: return NULL;
332: }
333: }
334:
335: context = php_stream_context_from_zval(LIBXML(stream_context), 0);
1.1.1.2 misho 336:
337: ret_val = php_stream_open_wrapper_ex(path_to_open, (char *)mode, REPORT_ERRORS, NULL, context);
1.1 misho 338: if (isescaped) {
339: xmlFree(resolved_path);
340: }
341: return ret_val;
342: }
343:
344: static void *php_libxml_streams_IO_open_read_wrapper(const char *filename)
345: {
346: return php_libxml_streams_IO_open_wrapper(filename, "rb", 1);
347: }
348:
349: static void *php_libxml_streams_IO_open_write_wrapper(const char *filename)
350: {
351: return php_libxml_streams_IO_open_wrapper(filename, "wb", 0);
352: }
353:
354: static int php_libxml_streams_IO_read(void *context, char *buffer, int len)
355: {
356: TSRMLS_FETCH();
357: return php_stream_read((php_stream*)context, buffer, len);
358: }
359:
360: static int php_libxml_streams_IO_write(void *context, const char *buffer, int len)
361: {
362: TSRMLS_FETCH();
363: return php_stream_write((php_stream*)context, buffer, len);
364: }
365:
366: static int php_libxml_streams_IO_close(void *context)
367: {
368: TSRMLS_FETCH();
369: return php_stream_close((php_stream*)context);
370: }
371:
372: static xmlParserInputBufferPtr
373: php_libxml_input_buffer_create_filename(const char *URI, xmlCharEncoding enc)
374: {
375: xmlParserInputBufferPtr ret;
376: void *context = NULL;
1.1.1.3 ! misho 377: TSRMLS_FETCH();
! 378:
! 379: if (LIBXML(entity_loader_disabled)) {
! 380: return NULL;
! 381: }
1.1 misho 382:
383: if (URI == NULL)
384: return(NULL);
385:
386: context = php_libxml_streams_IO_open_read_wrapper(URI);
387:
388: if (context == NULL) {
389: return(NULL);
390: }
391:
392: /* Allocate the Input buffer front-end. */
393: ret = xmlAllocParserInputBuffer(enc);
394: if (ret != NULL) {
395: ret->context = context;
396: ret->readcallback = php_libxml_streams_IO_read;
397: ret->closecallback = php_libxml_streams_IO_close;
398: } else
399: php_libxml_streams_IO_close(context);
400:
401: return(ret);
402: }
403:
404: static xmlOutputBufferPtr
405: php_libxml_output_buffer_create_filename(const char *URI,
406: xmlCharEncodingHandlerPtr encoder,
407: int compression ATTRIBUTE_UNUSED)
408: {
409: xmlOutputBufferPtr ret;
410: xmlURIPtr puri;
411: void *context = NULL;
412: char *unescaped = NULL;
413:
414: if (URI == NULL)
415: return(NULL);
416:
417: puri = xmlParseURI(URI);
418: if (puri != NULL) {
419: if (puri->scheme != NULL)
420: unescaped = xmlURIUnescapeString(URI, 0, NULL);
421: xmlFreeURI(puri);
422: }
423:
424: if (unescaped != NULL) {
425: context = php_libxml_streams_IO_open_write_wrapper(unescaped);
426: xmlFree(unescaped);
427: }
428:
429: /* try with a non-escaped URI this may be a strange filename */
430: if (context == NULL) {
431: context = php_libxml_streams_IO_open_write_wrapper(URI);
432: }
433:
434: if (context == NULL) {
435: return(NULL);
436: }
437:
438: /* Allocate the Output buffer front-end. */
439: ret = xmlAllocOutputBuffer(encoder);
440: if (ret != NULL) {
441: ret->context = context;
442: ret->writecallback = php_libxml_streams_IO_write;
443: ret->closecallback = php_libxml_streams_IO_close;
444: }
445:
446: return(ret);
447: }
448:
449: static int _php_libxml_free_error(xmlErrorPtr error)
450: {
451: /* This will free the libxml alloc'd memory */
452: xmlResetError(error);
453: return 1;
454: }
455:
456: static void _php_list_set_error_structure(xmlErrorPtr error, const char *msg)
457: {
458: xmlError error_copy;
459: int ret;
460:
461: TSRMLS_FETCH();
462:
463: memset(&error_copy, 0, sizeof(xmlError));
464:
465: if (error) {
466: ret = xmlCopyError(error, &error_copy);
467: } else {
468: error_copy.domain = 0;
469: error_copy.code = XML_ERR_INTERNAL_ERROR;
470: error_copy.level = XML_ERR_ERROR;
471: error_copy.line = 0;
472: error_copy.node = NULL;
473: error_copy.int1 = 0;
474: error_copy.int2 = 0;
475: error_copy.ctxt = NULL;
476: error_copy.message = xmlStrdup(msg);
477: error_copy.file = NULL;
478: error_copy.str1 = NULL;
479: error_copy.str2 = NULL;
480: error_copy.str3 = NULL;
481: ret = 0;
482: }
483:
484: if (ret == 0) {
485: zend_llist_add_element(LIBXML(error_list), &error_copy);
486: }
487: }
488:
489: static void php_libxml_ctx_error_level(int level, void *ctx, const char *msg TSRMLS_DC)
490: {
491: xmlParserCtxtPtr parser;
492:
493: parser = (xmlParserCtxtPtr) ctx;
494:
495: if (parser != NULL && parser->input != NULL) {
496: if (parser->input->filename) {
497: php_error_docref(NULL TSRMLS_CC, level, "%s in %s, line: %d", msg, parser->input->filename, parser->input->line);
498: } else {
499: php_error_docref(NULL TSRMLS_CC, level, "%s in Entity, line: %d", msg, parser->input->line);
500: }
501: }
502: }
503:
504: void php_libxml_issue_error(int level, const char *msg TSRMLS_DC)
505: {
506: if (LIBXML(error_list)) {
507: _php_list_set_error_structure(NULL, msg);
508: } else {
509: php_error_docref(NULL TSRMLS_CC, level, "%s", msg);
510: }
511: }
512:
513: static void php_libxml_internal_error_handler(int error_type, void *ctx, const char **msg, va_list ap)
514: {
515: char *buf;
516: int len, len_iter, output = 0;
517:
518: TSRMLS_FETCH();
519:
520: len = vspprintf(&buf, 0, *msg, ap);
521: len_iter = len;
522:
523: /* remove any trailing \n */
524: while (len_iter && buf[--len_iter] == '\n') {
525: buf[len_iter] = '\0';
526: output = 1;
527: }
528:
529: smart_str_appendl(&LIBXML(error_buffer), buf, len);
530:
531: efree(buf);
532:
533: if (output == 1) {
534: if (LIBXML(error_list)) {
535: _php_list_set_error_structure(NULL, LIBXML(error_buffer).c);
536: } else {
537: switch (error_type) {
538: case PHP_LIBXML_CTX_ERROR:
539: php_libxml_ctx_error_level(E_WARNING, ctx, LIBXML(error_buffer).c TSRMLS_CC);
540: break;
541: case PHP_LIBXML_CTX_WARNING:
542: php_libxml_ctx_error_level(E_NOTICE, ctx, LIBXML(error_buffer).c TSRMLS_CC);
543: break;
544: default:
545: php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", LIBXML(error_buffer).c);
546: }
547: }
548: smart_str_free(&LIBXML(error_buffer));
549: }
550: }
551:
1.1.1.2 misho 552: static xmlParserInputPtr _php_libxml_external_entity_loader(const char *URL,
553: const char *ID, xmlParserCtxtPtr context)
554: {
555: xmlParserInputPtr ret = NULL;
556: const char *resource = NULL;
557: zval *public = NULL,
558: *system = NULL,
559: *ctxzv = NULL,
560: **params[] = {&public, &system, &ctxzv},
561: *retval_ptr = NULL;
562: int retval;
563: zend_fcall_info *fci;
564: TSRMLS_FETCH();
565:
566: fci = &LIBXML(entity_loader).fci;
567:
568: if (fci->size == 0) {
569: /* no custom user-land callback set up; delegate to original loader */
570: return _php_libxml_default_entity_loader(URL, ID, context);
571: }
572:
573: ALLOC_INIT_ZVAL(public);
574: if (ID != NULL) {
575: ZVAL_STRING(public, ID, 1);
576: }
577: ALLOC_INIT_ZVAL(system);
578: if (URL != NULL) {
579: ZVAL_STRING(system, URL, 1);
580: }
581: MAKE_STD_ZVAL(ctxzv);
582: array_init_size(ctxzv, 4);
583:
584: #define ADD_NULL_OR_STRING_KEY(memb) \
585: if (context->memb == NULL) { \
586: add_assoc_null_ex(ctxzv, #memb, sizeof(#memb)); \
587: } else { \
588: add_assoc_string_ex(ctxzv, #memb, sizeof(#memb), \
589: (char *)context->memb, 1); \
590: }
591:
592: ADD_NULL_OR_STRING_KEY(directory)
593: ADD_NULL_OR_STRING_KEY(intSubName)
594: ADD_NULL_OR_STRING_KEY(extSubURI)
595: ADD_NULL_OR_STRING_KEY(extSubSystem)
596:
597: #undef ADD_NULL_OR_STRING_KEY
598:
599: fci->retval_ptr_ptr = &retval_ptr;
600: fci->params = params;
601: fci->param_count = sizeof(params)/sizeof(*params);
602: fci->no_separation = 1;
603:
604: retval = zend_call_function(fci, &LIBXML(entity_loader).fcc TSRMLS_CC);
605: if (retval != SUCCESS || fci->retval_ptr_ptr == NULL) {
606: php_libxml_ctx_error(context,
607: "Call to user entity loader callback '%s' has failed",
608: fci->function_name);
609: } else {
610: retval_ptr = *fci->retval_ptr_ptr;
611: if (retval_ptr == NULL) {
612: php_libxml_ctx_error(context,
613: "Call to user entity loader callback '%s' has failed; "
614: "probably it has thrown an exception",
615: fci->function_name);
616: } else if (Z_TYPE_P(retval_ptr) == IS_STRING) {
617: is_string:
618: resource = Z_STRVAL_P(retval_ptr);
619: } else if (Z_TYPE_P(retval_ptr) == IS_RESOURCE) {
620: php_stream *stream;
621: php_stream_from_zval_no_verify(stream, &retval_ptr);
622: if (stream == NULL) {
623: php_libxml_ctx_error(context,
624: "The user entity loader callback '%s' has returned a "
625: "resource, but it is not a stream",
626: fci->function_name);
627: } else {
628: /* TODO: allow storing the encoding in the stream context? */
629: xmlCharEncoding enc = XML_CHAR_ENCODING_NONE;
630: xmlParserInputBufferPtr pib = xmlAllocParserInputBuffer(enc);
631: if (pib == NULL) {
632: php_libxml_ctx_error(context, "Could not allocate parser "
633: "input buffer");
634: } else {
635: /* make stream not being closed when the zval is freed */
636: zend_list_addref(stream->rsrc_id);
637: pib->context = stream;
638: pib->readcallback = php_libxml_streams_IO_read;
639: pib->closecallback = php_libxml_streams_IO_close;
640:
641: ret = xmlNewIOInputStream(context, pib, enc);
642: if (ret == NULL) {
643: xmlFreeParserInputBuffer(pib);
644: }
645: }
646: }
647: } else if (Z_TYPE_P(retval_ptr) != IS_NULL) {
648: /* retval not string nor resource nor null; convert to string */
649: SEPARATE_ZVAL(&retval_ptr);
650: convert_to_string(retval_ptr);
651: goto is_string;
652: } /* else is null; don't try anything */
653: }
654:
655: if (ret == NULL) {
656: if (resource == NULL) {
657: if (ID == NULL) {
658: ID = "NULL";
659: }
660: php_libxml_ctx_error(context,
661: "Failed to load external entity \"%s\"\n", ID);
662: } else {
663: /* we got the resource in the form of a string; open it */
664: ret = xmlNewInputFromFile(context, resource);
665: }
666: }
667:
668: zval_ptr_dtor(&public);
669: zval_ptr_dtor(&system);
670: zval_ptr_dtor(&ctxzv);
671: if (retval_ptr != NULL) {
672: zval_ptr_dtor(&retval_ptr);
673: }
674: return ret;
675: }
676:
677: static xmlParserInputPtr _php_libxml_pre_ext_ent_loader(const char *URL,
678: const char *ID, xmlParserCtxtPtr context)
679: {
1.1.1.3 ! misho 680: TSRMLS_FETCH();
! 681:
1.1.1.2 misho 682: /* Check whether we're running in a PHP context, since the entity loader
1.1.1.3 ! misho 683: * we've defined is an application level (true global) setting.
! 684: * If we are, we also want to check whether we've finished activating
! 685: * the modules (RINIT phase). Using our external entity loader during a
! 686: * RINIT should not be problem per se (though during MINIT it is, because
! 687: * we don't even have a resource list by then), but then whether one
! 688: * extension would be using the custom external entity loader or not
! 689: * could depend on extension loading order
! 690: * (if _php_libxml_per_request_initialization */
! 691: if (xmlGenericError == php_libxml_error_handler && PG(modules_activated)) {
1.1.1.2 misho 692: return _php_libxml_external_entity_loader(URL, ID, context);
693: } else {
694: return _php_libxml_default_entity_loader(URL, ID, context);
695: }
696: }
697:
1.1 misho 698: PHP_LIBXML_API void php_libxml_ctx_error(void *ctx, const char *msg, ...)
699: {
700: va_list args;
701: va_start(args, msg);
702: php_libxml_internal_error_handler(PHP_LIBXML_CTX_ERROR, ctx, &msg, args);
703: va_end(args);
704: }
705:
706: PHP_LIBXML_API void php_libxml_ctx_warning(void *ctx, const char *msg, ...)
707: {
708: va_list args;
709: va_start(args, msg);
710: php_libxml_internal_error_handler(PHP_LIBXML_CTX_WARNING, ctx, &msg, args);
711: va_end(args);
712: }
713:
714: PHP_LIBXML_API void php_libxml_structured_error_handler(void *userData, xmlErrorPtr error)
715: {
716: _php_list_set_error_structure(error, NULL);
717:
718: return;
719: }
720:
721: PHP_LIBXML_API void php_libxml_error_handler(void *ctx, const char *msg, ...)
722: {
723: va_list args;
724: va_start(args, msg);
725: php_libxml_internal_error_handler(PHP_LIBXML_ERROR, ctx, &msg, args);
726: va_end(args);
727: }
728:
729:
730: PHP_LIBXML_API void php_libxml_initialize(void)
731: {
732: if (!_php_libxml_initialized) {
733: /* we should be the only one's to ever init!! */
734: xmlInitParser();
1.1.1.2 misho 735:
736: _php_libxml_default_entity_loader = xmlGetExternalEntityLoader();
737: xmlSetExternalEntityLoader(_php_libxml_pre_ext_ent_loader);
1.1 misho 738:
739: zend_hash_init(&php_libxml_exports, 0, NULL, NULL, 1);
740:
741: _php_libxml_initialized = 1;
742: }
743: }
744:
745: PHP_LIBXML_API void php_libxml_shutdown(void)
746: {
747: if (_php_libxml_initialized) {
748: #if defined(LIBXML_SCHEMAS_ENABLED)
749: xmlRelaxNGCleanupTypes();
750: #endif
751: xmlCleanupParser();
752: zend_hash_destroy(&php_libxml_exports);
1.1.1.2 misho 753:
754: xmlSetExternalEntityLoader(_php_libxml_default_entity_loader);
1.1 misho 755: _php_libxml_initialized = 0;
756: }
757: }
758:
759: PHP_LIBXML_API zval *php_libxml_switch_context(zval *context TSRMLS_DC)
760: {
761: zval *oldcontext;
762:
763: oldcontext = LIBXML(stream_context);
764: LIBXML(stream_context) = context;
765: return oldcontext;
766:
767: }
768:
769: static PHP_MINIT_FUNCTION(libxml)
770: {
771: zend_class_entry ce;
772:
773: php_libxml_initialize();
774:
775: REGISTER_LONG_CONSTANT("LIBXML_VERSION", LIBXML_VERSION, CONST_CS | CONST_PERSISTENT);
776: REGISTER_STRING_CONSTANT("LIBXML_DOTTED_VERSION", LIBXML_DOTTED_VERSION, CONST_CS | CONST_PERSISTENT);
777: REGISTER_STRING_CONSTANT("LIBXML_LOADED_VERSION", (char *)xmlParserVersion, CONST_CS | CONST_PERSISTENT);
778:
779: /* For use with loading xml */
780: REGISTER_LONG_CONSTANT("LIBXML_NOENT", XML_PARSE_NOENT, CONST_CS | CONST_PERSISTENT);
781: REGISTER_LONG_CONSTANT("LIBXML_DTDLOAD", XML_PARSE_DTDLOAD, CONST_CS | CONST_PERSISTENT);
782: REGISTER_LONG_CONSTANT("LIBXML_DTDATTR", XML_PARSE_DTDATTR, CONST_CS | CONST_PERSISTENT);
783: REGISTER_LONG_CONSTANT("LIBXML_DTDVALID", XML_PARSE_DTDVALID, CONST_CS | CONST_PERSISTENT);
784: REGISTER_LONG_CONSTANT("LIBXML_NOERROR", XML_PARSE_NOERROR, CONST_CS | CONST_PERSISTENT);
785: REGISTER_LONG_CONSTANT("LIBXML_NOWARNING", XML_PARSE_NOWARNING, CONST_CS | CONST_PERSISTENT);
786: REGISTER_LONG_CONSTANT("LIBXML_NOBLANKS", XML_PARSE_NOBLANKS, CONST_CS | CONST_PERSISTENT);
787: REGISTER_LONG_CONSTANT("LIBXML_XINCLUDE", XML_PARSE_XINCLUDE, CONST_CS | CONST_PERSISTENT);
788: REGISTER_LONG_CONSTANT("LIBXML_NSCLEAN", XML_PARSE_NSCLEAN, CONST_CS | CONST_PERSISTENT);
789: REGISTER_LONG_CONSTANT("LIBXML_NOCDATA", XML_PARSE_NOCDATA, CONST_CS | CONST_PERSISTENT);
790: REGISTER_LONG_CONSTANT("LIBXML_NONET", XML_PARSE_NONET, CONST_CS | CONST_PERSISTENT);
1.1.1.2 misho 791: REGISTER_LONG_CONSTANT("LIBXML_PEDANTIC", XML_PARSE_PEDANTIC, CONST_CS | CONST_PERSISTENT);
1.1 misho 792: #if LIBXML_VERSION >= 20621
793: REGISTER_LONG_CONSTANT("LIBXML_COMPACT", XML_PARSE_COMPACT, CONST_CS | CONST_PERSISTENT);
794: REGISTER_LONG_CONSTANT("LIBXML_NOXMLDECL", XML_SAVE_NO_DECL, CONST_CS | CONST_PERSISTENT);
795: #endif
796: #if LIBXML_VERSION >= 20703
797: REGISTER_LONG_CONSTANT("LIBXML_PARSEHUGE", XML_PARSE_HUGE, CONST_CS | CONST_PERSISTENT);
798: #endif
799: REGISTER_LONG_CONSTANT("LIBXML_NOEMPTYTAG", LIBXML_SAVE_NOEMPTYTAG, CONST_CS | CONST_PERSISTENT);
800:
1.1.1.2 misho 801: /* Additional constants for use with loading html */
802: #if LIBXML_VERSION >= 20707
803: REGISTER_LONG_CONSTANT("LIBXML_HTML_NOIMPLIED", HTML_PARSE_NOIMPLIED, CONST_CS | CONST_PERSISTENT);
804: #endif
805:
806: #if LIBXML_VERSION >= 20708
807: REGISTER_LONG_CONSTANT("LIBXML_HTML_NODEFDTD", HTML_PARSE_NODEFDTD, CONST_CS | CONST_PERSISTENT);
808: #endif
809:
1.1 misho 810: /* Error levels */
811: REGISTER_LONG_CONSTANT("LIBXML_ERR_NONE", XML_ERR_NONE, CONST_CS | CONST_PERSISTENT);
812: REGISTER_LONG_CONSTANT("LIBXML_ERR_WARNING", XML_ERR_WARNING, CONST_CS | CONST_PERSISTENT);
813: REGISTER_LONG_CONSTANT("LIBXML_ERR_ERROR", XML_ERR_ERROR, CONST_CS | CONST_PERSISTENT);
814: REGISTER_LONG_CONSTANT("LIBXML_ERR_FATAL", XML_ERR_FATAL, CONST_CS | CONST_PERSISTENT);
815:
816: INIT_CLASS_ENTRY(ce, "LibXMLError", NULL);
817: libxmlerror_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
818:
1.1.1.2 misho 819: if (sapi_module.name) {
820: static const char * const supported_sapis[] = {
821: "cgi-fcgi",
822: "fpm-fcgi",
823: "litespeed",
824: NULL
825: };
826: const char * const *sapi_name;
827:
828: for (sapi_name = supported_sapis; *sapi_name; sapi_name++) {
829: if (strcmp(sapi_module.name, *sapi_name) == 0) {
830: _php_libxml_per_request_initialization = 0;
831: break;
832: }
833: }
834: }
835:
836: if (!_php_libxml_per_request_initialization) {
837: /* report errors via handler rather than stderr */
838: xmlSetGenericErrorFunc(NULL, php_libxml_error_handler);
839: xmlParserInputBufferCreateFilenameDefault(php_libxml_input_buffer_create_filename);
840: xmlOutputBufferCreateFilenameDefault(php_libxml_output_buffer_create_filename);
841: }
842:
1.1 misho 843: return SUCCESS;
844: }
845:
846:
847: static PHP_RINIT_FUNCTION(libxml)
848: {
1.1.1.2 misho 849: if (_php_libxml_per_request_initialization) {
850: /* report errors via handler rather than stderr */
851: xmlSetGenericErrorFunc(NULL, php_libxml_error_handler);
852: xmlParserInputBufferCreateFilenameDefault(php_libxml_input_buffer_create_filename);
853: xmlOutputBufferCreateFilenameDefault(php_libxml_output_buffer_create_filename);
854: }
1.1 misho 855: return SUCCESS;
856: }
857:
858:
859: static PHP_MSHUTDOWN_FUNCTION(libxml)
860: {
1.1.1.2 misho 861: if (!_php_libxml_per_request_initialization) {
862: xmlSetGenericErrorFunc(NULL, NULL);
863:
864: xmlParserInputBufferCreateFilenameDefault(NULL);
865: xmlOutputBufferCreateFilenameDefault(NULL);
866: }
1.1 misho 867: php_libxml_shutdown();
868:
869: return SUCCESS;
870: }
871:
1.1.1.2 misho 872: static int php_libxml_post_deactivate()
1.1 misho 873: {
1.1.1.2 misho 874: TSRMLS_FETCH();
1.1 misho 875: /* reset libxml generic error handling */
1.1.1.2 misho 876: if (_php_libxml_per_request_initialization) {
877: xmlSetGenericErrorFunc(NULL, NULL);
1.1 misho 878:
1.1.1.2 misho 879: xmlParserInputBufferCreateFilenameDefault(NULL);
880: xmlOutputBufferCreateFilenameDefault(NULL);
881: }
1.1.1.3 ! misho 882: xmlSetStructuredErrorFunc(NULL, NULL);
1.1 misho 883:
884: if (LIBXML(stream_context)) {
1.1.1.3 ! misho 885: /* the steam_context resource will be released by resource list destructor */
! 886: efree(LIBXML(stream_context));
1.1 misho 887: LIBXML(stream_context) = NULL;
888: }
889: smart_str_free(&LIBXML(error_buffer));
890: if (LIBXML(error_list)) {
891: zend_llist_destroy(LIBXML(error_list));
892: efree(LIBXML(error_list));
893: LIBXML(error_list) = NULL;
894: }
895: xmlResetLastError();
1.1.1.2 misho 896:
897: _php_libxml_destroy_fci(&LIBXML(entity_loader).fci);
1.1 misho 898:
899: return SUCCESS;
900: }
901:
902:
903: static PHP_MINFO_FUNCTION(libxml)
904: {
905: php_info_print_table_start();
906: php_info_print_table_row(2, "libXML support", "active");
907: php_info_print_table_row(2, "libXML Compiled Version", LIBXML_DOTTED_VERSION);
908: php_info_print_table_row(2, "libXML Loaded Version", (char *)xmlParserVersion);
909: php_info_print_table_row(2, "libXML streams", "enabled");
910: php_info_print_table_end();
911: }
912: /* }}} */
913:
914: /* {{{ proto void libxml_set_streams_context(resource streams_context)
915: Set the streams context for the next libxml document load or write */
916: static PHP_FUNCTION(libxml_set_streams_context)
917: {
918: zval *arg;
919:
1.1.1.3 ! misho 920: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &arg) == FAILURE) {
1.1 misho 921: return;
922: }
923: if (LIBXML(stream_context)) {
924: zval_ptr_dtor(&LIBXML(stream_context));
925: LIBXML(stream_context) = NULL;
926: }
927: Z_ADDREF_P(arg);
928: LIBXML(stream_context) = arg;
929: }
930: /* }}} */
931:
932: /* {{{ proto bool libxml_use_internal_errors([boolean use_errors])
933: Disable libxml errors and allow user to fetch error information as needed */
934: static PHP_FUNCTION(libxml_use_internal_errors)
935: {
936: xmlStructuredErrorFunc current_handler;
937: zend_bool use_errors=0, retval;
938:
939: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &use_errors) == FAILURE) {
940: return;
941: }
942:
943: current_handler = xmlStructuredError;
944: if (current_handler && current_handler == php_libxml_structured_error_handler) {
945: retval = 1;
946: } else {
947: retval = 0;
948: }
949:
950: if (ZEND_NUM_ARGS() == 0) {
951: RETURN_BOOL(retval);
952: }
953:
954: if (use_errors == 0) {
955: xmlSetStructuredErrorFunc(NULL, NULL);
956: if (LIBXML(error_list)) {
957: zend_llist_destroy(LIBXML(error_list));
958: efree(LIBXML(error_list));
959: LIBXML(error_list) = NULL;
960: }
961: } else {
962: xmlSetStructuredErrorFunc(NULL, php_libxml_structured_error_handler);
963: if (LIBXML(error_list) == NULL) {
964: LIBXML(error_list) = (zend_llist *) emalloc(sizeof(zend_llist));
965: zend_llist_init(LIBXML(error_list), sizeof(xmlError), (llist_dtor_func_t) _php_libxml_free_error, 0);
966: }
967: }
968: RETURN_BOOL(retval);
969: }
970: /* }}} */
971:
972: /* {{{ proto object libxml_get_last_error()
973: Retrieve last error from libxml */
974: static PHP_FUNCTION(libxml_get_last_error)
975: {
976: xmlErrorPtr error;
977:
978: error = xmlGetLastError();
979:
980: if (error) {
981: object_init_ex(return_value, libxmlerror_class_entry);
982: add_property_long(return_value, "level", error->level);
983: add_property_long(return_value, "code", error->code);
984: add_property_long(return_value, "column", error->int2);
985: if (error->message) {
986: add_property_string(return_value, "message", error->message, 1);
987: } else {
988: add_property_stringl(return_value, "message", "", 0, 1);
989: }
990: if (error->file) {
991: add_property_string(return_value, "file", error->file, 1);
992: } else {
993: add_property_stringl(return_value, "file", "", 0, 1);
994: }
995: add_property_long(return_value, "line", error->line);
996: } else {
997: RETURN_FALSE;
998: }
999: }
1000: /* }}} */
1001:
1002: /* {{{ proto object libxml_get_errors()
1003: Retrieve array of errors */
1004: static PHP_FUNCTION(libxml_get_errors)
1005: {
1006:
1007: xmlErrorPtr error;
1008:
1009: if (array_init(return_value) == FAILURE) {
1010: RETURN_FALSE;
1011: }
1012:
1013: if (LIBXML(error_list)) {
1014:
1015: error = zend_llist_get_first(LIBXML(error_list));
1016:
1017: while (error != NULL) {
1018: zval *z_error;
1019: MAKE_STD_ZVAL(z_error);
1020:
1021: object_init_ex(z_error, libxmlerror_class_entry);
1022: add_property_long(z_error, "level", error->level);
1023: add_property_long(z_error, "code", error->code);
1024: add_property_long(z_error, "column", error->int2);
1025: if (error->message) {
1026: add_property_string(z_error, "message", error->message, 1);
1027: } else {
1028: add_property_stringl(z_error, "message", "", 0, 1);
1029: }
1030: if (error->file) {
1031: add_property_string(z_error, "file", error->file, 1);
1032: } else {
1033: add_property_stringl(z_error, "file", "", 0, 1);
1034: }
1035: add_property_long(z_error, "line", error->line);
1036: add_next_index_zval(return_value, z_error);
1037:
1038: error = zend_llist_get_next(LIBXML(error_list));
1039: }
1040: }
1041: }
1042: /* }}} */
1043:
1044: /* {{{ proto void libxml_clear_errors()
1045: Clear last error from libxml */
1046: static PHP_FUNCTION(libxml_clear_errors)
1047: {
1048: xmlResetLastError();
1049: if (LIBXML(error_list)) {
1050: zend_llist_clean(LIBXML(error_list));
1051: }
1052: }
1053: /* }}} */
1054:
1.1.1.3 ! misho 1055: PHP_LIBXML_API zend_bool php_libxml_disable_entity_loader(zend_bool disable TSRMLS_DC)
! 1056: {
! 1057: zend_bool old = LIBXML(entity_loader_disabled);
! 1058:
! 1059: LIBXML(entity_loader_disabled) = disable;
! 1060: return old;
! 1061: }
! 1062:
1.1 misho 1063: /* {{{ proto bool libxml_disable_entity_loader([boolean disable])
1064: Disable/Enable ability to load external entities */
1065: static PHP_FUNCTION(libxml_disable_entity_loader)
1066: {
1067: zend_bool disable = 1;
1068:
1069: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &disable) == FAILURE) {
1070: return;
1071: }
1072:
1.1.1.3 ! misho 1073: RETURN_BOOL(php_libxml_disable_entity_loader(disable TSRMLS_CC));
1.1 misho 1074: }
1075: /* }}} */
1076:
1.1.1.2 misho 1077: /* {{{ proto void libxml_set_external_entity_loader(callback resolver_function)
1078: Changes the default external entity loader */
1079: static PHP_FUNCTION(libxml_set_external_entity_loader)
1080: {
1081: zend_fcall_info fci;
1082: zend_fcall_info_cache fcc;
1083: if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "f!", &fci, &fcc)
1084: == FAILURE) {
1085: return;
1086: }
1087:
1088: _php_libxml_destroy_fci(&LIBXML(entity_loader).fci);
1089:
1090: if (fci.size > 0) { /* argument not null */
1091: LIBXML(entity_loader).fci = fci;
1092: Z_ADDREF_P(fci.function_name);
1093: if (fci.object_ptr != NULL) {
1094: Z_ADDREF_P(fci.object_ptr);
1095: }
1096: LIBXML(entity_loader).fcc = fcc;
1097: }
1098:
1099: RETURN_TRUE;
1100: }
1101: /* }}} */
1102:
1.1 misho 1103: /* {{{ Common functions shared by extensions */
1104: int php_libxml_xmlCheckUTF8(const unsigned char *s)
1105: {
1106: int i;
1107: unsigned char c;
1108:
1109: for (i = 0; (c = s[i++]);) {
1110: if ((c & 0x80) == 0) {
1111: } else if ((c & 0xe0) == 0xc0) {
1112: if ((s[i++] & 0xc0) != 0x80) {
1113: return 0;
1114: }
1115: } else if ((c & 0xf0) == 0xe0) {
1116: if ((s[i++] & 0xc0) != 0x80 || (s[i++] & 0xc0) != 0x80) {
1117: return 0;
1118: }
1119: } else if ((c & 0xf8) == 0xf0) {
1120: if ((s[i++] & 0xc0) != 0x80 || (s[i++] & 0xc0) != 0x80 || (s[i++] & 0xc0) != 0x80) {
1121: return 0;
1122: }
1123: } else {
1124: return 0;
1125: }
1126: }
1127: return 1;
1128: }
1129:
1130: int php_libxml_register_export(zend_class_entry *ce, php_libxml_export_node export_function)
1131: {
1132: php_libxml_func_handler export_hnd;
1133:
1134: /* Initialize in case this module hasnt been loaded yet */
1135: php_libxml_initialize();
1136: export_hnd.export_func = export_function;
1137:
1138: return zend_hash_add(&php_libxml_exports, ce->name, ce->name_length + 1, &export_hnd, sizeof(export_hnd), NULL);
1139: }
1140:
1141: PHP_LIBXML_API xmlNodePtr php_libxml_import_node(zval *object TSRMLS_DC)
1142: {
1143: zend_class_entry *ce = NULL;
1144: xmlNodePtr node = NULL;
1145: php_libxml_func_handler *export_hnd;
1146:
1147: if (object->type == IS_OBJECT) {
1148: ce = Z_OBJCE_P(object);
1149: while (ce->parent != NULL) {
1150: ce = ce->parent;
1151: }
1152: if (zend_hash_find(&php_libxml_exports, ce->name, ce->name_length + 1, (void **) &export_hnd) == SUCCESS) {
1153: node = export_hnd->export_func(object TSRMLS_CC);
1154: }
1155: }
1156: return node;
1157: }
1158:
1159: PHP_LIBXML_API int php_libxml_increment_node_ptr(php_libxml_node_object *object, xmlNodePtr node, void *private_data TSRMLS_DC)
1160: {
1161: int ret_refcount = -1;
1162:
1163: if (object != NULL && node != NULL) {
1164: if (object->node != NULL) {
1165: if (object->node->node == node) {
1166: return object->node->refcount;
1167: } else {
1168: php_libxml_decrement_node_ptr(object TSRMLS_CC);
1169: }
1170: }
1171: if (node->_private != NULL) {
1172: object->node = node->_private;
1173: ret_refcount = ++object->node->refcount;
1174: /* Only dom uses _private */
1175: if (object->node->_private == NULL) {
1176: object->node->_private = private_data;
1177: }
1178: } else {
1179: ret_refcount = 1;
1180: object->node = emalloc(sizeof(php_libxml_node_ptr));
1181: object->node->node = node;
1182: object->node->refcount = 1;
1183: object->node->_private = private_data;
1184: node->_private = object->node;
1185: }
1186: }
1187:
1188: return ret_refcount;
1189: }
1190:
1191: PHP_LIBXML_API int php_libxml_decrement_node_ptr(php_libxml_node_object *object TSRMLS_DC)
1192: {
1193: int ret_refcount = -1;
1194: php_libxml_node_ptr *obj_node;
1195:
1196: if (object != NULL && object->node != NULL) {
1197: obj_node = (php_libxml_node_ptr *) object->node;
1198: ret_refcount = --obj_node->refcount;
1199: if (ret_refcount == 0) {
1200: if (obj_node->node != NULL) {
1201: obj_node->node->_private = NULL;
1202: }
1203: efree(obj_node);
1204: }
1205: object->node = NULL;
1206: }
1207:
1208: return ret_refcount;
1209: }
1210:
1211: PHP_LIBXML_API int php_libxml_increment_doc_ref(php_libxml_node_object *object, xmlDocPtr docp TSRMLS_DC)
1212: {
1213: int ret_refcount = -1;
1214:
1215: if (object->document != NULL) {
1216: object->document->refcount++;
1217: ret_refcount = object->document->refcount;
1218: } else if (docp != NULL) {
1219: ret_refcount = 1;
1220: object->document = emalloc(sizeof(php_libxml_ref_obj));
1221: object->document->ptr = docp;
1222: object->document->refcount = ret_refcount;
1223: object->document->doc_props = NULL;
1224: }
1225:
1226: return ret_refcount;
1227: }
1228:
1229: PHP_LIBXML_API int php_libxml_decrement_doc_ref(php_libxml_node_object *object TSRMLS_DC)
1230: {
1231: int ret_refcount = -1;
1232:
1233: if (object != NULL && object->document != NULL) {
1234: ret_refcount = --object->document->refcount;
1235: if (ret_refcount == 0) {
1236: if (object->document->ptr != NULL) {
1237: xmlFreeDoc((xmlDoc *) object->document->ptr);
1238: }
1239: if (object->document->doc_props != NULL) {
1240: if (object->document->doc_props->classmap) {
1241: zend_hash_destroy(object->document->doc_props->classmap);
1242: FREE_HASHTABLE(object->document->doc_props->classmap);
1243: }
1244: efree(object->document->doc_props);
1245: }
1246: efree(object->document);
1247: object->document = NULL;
1248: }
1249: }
1250:
1251: return ret_refcount;
1252: }
1253:
1254: PHP_LIBXML_API void php_libxml_node_free_resource(xmlNodePtr node TSRMLS_DC)
1255: {
1256: if (!node) {
1257: return;
1258: }
1259:
1260: switch (node->type) {
1261: case XML_DOCUMENT_NODE:
1262: case XML_HTML_DOCUMENT_NODE:
1263: break;
1264: default:
1265: if (node->parent == NULL || node->type == XML_NAMESPACE_DECL) {
1266: php_libxml_node_free_list((xmlNodePtr) node->children TSRMLS_CC);
1267: switch (node->type) {
1268: /* Skip property freeing for the following types */
1269: case XML_ATTRIBUTE_DECL:
1270: case XML_DTD_NODE:
1271: case XML_DOCUMENT_TYPE_NODE:
1272: case XML_ENTITY_DECL:
1273: case XML_ATTRIBUTE_NODE:
1274: case XML_NAMESPACE_DECL:
1275: case XML_TEXT_NODE:
1276: break;
1277: default:
1278: php_libxml_node_free_list((xmlNodePtr) node->properties TSRMLS_CC);
1279: }
1280: if (php_libxml_unregister_node(node TSRMLS_CC) == 0) {
1281: node->doc = NULL;
1282: }
1283: php_libxml_node_free(node);
1284: } else {
1285: php_libxml_unregister_node(node TSRMLS_CC);
1286: }
1287: }
1288: }
1289:
1290: PHP_LIBXML_API void php_libxml_node_decrement_resource(php_libxml_node_object *object TSRMLS_DC)
1291: {
1292: int ret_refcount = -1;
1293: xmlNodePtr nodep;
1294: php_libxml_node_ptr *obj_node;
1295:
1296: if (object != NULL && object->node != NULL) {
1297: obj_node = (php_libxml_node_ptr *) object->node;
1298: nodep = object->node->node;
1299: ret_refcount = php_libxml_decrement_node_ptr(object TSRMLS_CC);
1300: if (ret_refcount == 0) {
1301: php_libxml_node_free_resource(nodep TSRMLS_CC);
1302: } else {
1303: if (obj_node && object == obj_node->_private) {
1304: obj_node->_private = NULL;
1305: }
1306: }
1307: }
1308: if (object != NULL && object->document != NULL) {
1309: /* Safe to call as if the resource were freed then doc pointer is NULL */
1310: php_libxml_decrement_doc_ref(object TSRMLS_CC);
1311: }
1312: }
1313: /* }}} */
1314:
1315: #ifdef PHP_WIN32
1316: PHP_LIBXML_API BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
1317: {
1318: return xmlDllMain(hinstDLL, fdwReason, lpvReserved);
1319: }
1320: #endif
1321:
1322: #endif
1323:
1324: /*
1325: * Local variables:
1326: * tab-width: 4
1327: * c-basic-offset: 4
1328: * End:
1329: * vim600: sw=4 ts=4 fdm=marker
1330: * vim<600: sw=4 ts=4
1331: */
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