--- embedaddon/libxml2/xmlreader.c 2012/02/21 23:37:58 1.1
+++ embedaddon/libxml2/xmlreader.c 2013/07/22 01:22:22 1.1.1.2
@@ -152,6 +152,7 @@ struct _xmlTextReader {
/* Handling of RelaxNG validation */
xmlRelaxNGPtr rngSchemas; /* The Relax NG schemas */
xmlRelaxNGValidCtxtPtr rngValidCtxt;/* The Relax NG validation context */
+ int rngPreserveCtxt; /* 1 if the context was provided by the user */
int rngValidErrors;/* The number of errors detected */
xmlNodePtr rngFullNode; /* the node if RNG not progressive */
/* Handling of Schemas validation */
@@ -854,16 +855,18 @@ xmlTextReaderPushData(xmlTextReaderPtr reader) {
(const char *) &inbuf->content[reader->cur],
CHUNK_SIZE, 0);
reader->cur += CHUNK_SIZE;
- if ((val != 0) || (reader->ctxt->wellFormed == 0))
- return(-1);
+ if (val != 0)
+ reader->ctxt->wellFormed = 0;
+ if (reader->ctxt->wellFormed == 0)
+ break;
} else {
s = inbuf->use - reader->cur;
val = xmlParseChunk(reader->ctxt,
(const char *) &inbuf->content[reader->cur],
s, 0);
reader->cur += s;
- if ((val != 0) || (reader->ctxt->wellFormed == 0))
- return(-1);
+ if (val != 0)
+ reader->ctxt->wellFormed = 0;
break;
}
}
@@ -895,11 +898,17 @@ xmlTextReaderPushData(xmlTextReaderPtr reader) {
s, 1);
reader->cur = inbuf->use;
reader->state = XML_TEXTREADER_DONE;
- if ((val != 0) || (reader->ctxt->wellFormed == 0))
- return(-1);
+ if (val != 0) {
+ if (reader->ctxt->wellFormed)
+ reader->ctxt->wellFormed = 0;
+ else
+ return(-1);
+ }
}
}
reader->state = oldstate;
+ if (reader->ctxt->wellFormed == 0)
+ reader->mode = XML_TEXTREADER_MODE_EOF;
return(0);
}
@@ -1264,8 +1273,6 @@ xmlTextReaderRead(xmlTextReaderPtr reader) {
return(xmlTextReaderReadTree(reader));
if (reader->ctxt == NULL)
return(-1);
- if (reader->ctxt->wellFormed != 1)
- return(-1);
#ifdef DEBUG_READER
fprintf(stderr, "\nREAD ");
@@ -2187,7 +2194,8 @@ xmlFreeTextReader(xmlTextReaderPtr reader) {
reader->rngSchemas = NULL;
}
if (reader->rngValidCtxt != NULL) {
- xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
+ if (! reader->rngPreserveCtxt)
+ xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
reader->rngValidCtxt = NULL;
}
if (reader->xsdPlug != NULL) {
@@ -4095,9 +4103,11 @@ xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader,
reader->rngSchemas = NULL;
}
if (reader->rngValidCtxt != NULL) {
- xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
+ if (! reader->rngPreserveCtxt)
+ xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
reader->rngValidCtxt = NULL;
}
+ reader->rngPreserveCtxt = 0;
return(0);
}
if (reader->mode != XML_TEXTREADER_MODE_INITIAL)
@@ -4107,9 +4117,11 @@ xmlTextReaderRelaxNGSetSchema(xmlTextReaderPtr reader,
reader->rngSchemas = NULL;
}
if (reader->rngValidCtxt != NULL) {
- xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
+ if (! reader->rngPreserveCtxt)
+ xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
reader->rngValidCtxt = NULL;
}
+ reader->rngPreserveCtxt = 0;
reader->rngValidCtxt = xmlRelaxNGNewValidCtxt(schema);
if (reader->rngValidCtxt == NULL)
return(-1);
@@ -4214,67 +4226,91 @@ xmlTextReaderSetSchema(xmlTextReaderPtr reader, xmlSch
}
/**
- * xmlTextReaderRelaxNGValidate:
+ * xmlTextReaderRelaxNGValidateInternal:
* @reader: the xmlTextReaderPtr used
* @rng: the path to a RelaxNG schema or NULL
+ * @ctxt: the RelaxNG schema validation context or NULL
+ * @options: options (not yet used)
*
* Use RelaxNG to validate the document as it is processed.
* Activation is only possible before the first Read().
- * if @rng is NULL, then RelaxNG validation is deactivated.
+ * If both @rng and @ctxt are NULL, then RelaxNG validation is deactivated.
*
* Returns 0 in case the RelaxNG validation could be (de)activated and
- * -1 in case of error.
+ * -1 in case of error.
*/
-int
-xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader, const char *rng) {
- xmlRelaxNGParserCtxtPtr ctxt;
-
+static int
+xmlTextReaderRelaxNGValidateInternal(xmlTextReaderPtr reader,
+ const char *rng,
+ xmlRelaxNGValidCtxtPtr ctxt,
+ int options ATTRIBUTE_UNUSED)
+{
if (reader == NULL)
- return(-1);
+ return(-1);
- if (rng == NULL) {
- if (reader->rngValidCtxt != NULL) {
+ if ((rng != NULL) && (ctxt != NULL))
+ return (-1);
+
+ if (((rng != NULL) || (ctxt != NULL)) &&
+ ((reader->mode != XML_TEXTREADER_MODE_INITIAL) ||
+ (reader->ctxt == NULL)))
+ return(-1);
+
+ /* Cleanup previous validation stuff. */
+ if (reader->rngValidCtxt != NULL) {
+ if ( !reader->rngPreserveCtxt)
xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
- reader->rngValidCtxt = NULL;
- }
- if (reader->rngSchemas != NULL) {
- xmlRelaxNGFree(reader->rngSchemas);
- reader->rngSchemas = NULL;
- }
- return(0);
+ reader->rngValidCtxt = NULL;
}
- if (reader->mode != XML_TEXTREADER_MODE_INITIAL)
- return(-1);
+ reader->rngPreserveCtxt = 0;
if (reader->rngSchemas != NULL) {
xmlRelaxNGFree(reader->rngSchemas);
reader->rngSchemas = NULL;
}
- if (reader->rngValidCtxt != NULL) {
- xmlRelaxNGFreeValidCtxt(reader->rngValidCtxt);
- reader->rngValidCtxt = NULL;
+
+ if ((rng == NULL) && (ctxt == NULL)) {
+ /* We just want to deactivate the validation, so get out. */
+ return(0);
}
- ctxt = xmlRelaxNGNewParserCtxt(rng);
- if (reader->errorFunc != NULL) {
- xmlRelaxNGSetParserErrors(ctxt,
- xmlTextReaderValidityErrorRelay,
- xmlTextReaderValidityWarningRelay,
- reader);
+
+
+ if (rng != NULL) {
+ xmlRelaxNGParserCtxtPtr pctxt;
+ /* Parse the schema and create validation environment. */
+
+ pctxt = xmlRelaxNGNewParserCtxt(rng);
+ if (reader->errorFunc != NULL) {
+ xmlRelaxNGSetParserErrors(pctxt,
+ xmlTextReaderValidityErrorRelay,
+ xmlTextReaderValidityWarningRelay,
+ reader);
+ }
+ if (reader->sErrorFunc != NULL) {
+ xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt,
+ xmlTextReaderValidityStructuredRelay,
+ reader);
+ }
+ reader->rngSchemas = xmlRelaxNGParse(pctxt);
+ xmlRelaxNGFreeParserCtxt(pctxt);
+ if (reader->rngSchemas == NULL)
+ return(-1);
+ reader->rngValidCtxt = xmlRelaxNGNewValidCtxt(reader->rngSchemas);
+ if (reader->rngValidCtxt == NULL) {
+ xmlRelaxNGFree(reader->rngSchemas);
+ reader->rngSchemas = NULL;
+ return(-1);
+ }
+ } else {
+ /* Use the given validation context. */
+ reader->rngValidCtxt = ctxt;
+ reader->rngPreserveCtxt = 1;
}
- if (reader->sErrorFunc != NULL) {
- xmlRelaxNGSetValidStructuredErrors(reader->rngValidCtxt,
- xmlTextReaderValidityStructuredRelay,
- reader);
- }
- reader->rngSchemas = xmlRelaxNGParse(ctxt);
- xmlRelaxNGFreeParserCtxt(ctxt);
- if (reader->rngSchemas == NULL)
- return(-1);
- reader->rngValidCtxt = xmlRelaxNGNewValidCtxt(reader->rngSchemas);
- if (reader->rngValidCtxt == NULL) {
- xmlRelaxNGFree(reader->rngSchemas);
- reader->rngSchemas = NULL;
- return(-1);
- }
+ /*
+ * Redirect the validation context's error channels to use
+ * the reader channels.
+ * TODO: In case the user provides the validation context we
+ * could make this redirection optional.
+ */
if (reader->errorFunc != NULL) {
xmlRelaxNGSetValidErrors(reader->rngValidCtxt,
xmlTextReaderValidityErrorRelay,
@@ -4447,6 +4483,46 @@ xmlTextReaderSchemaValidate(xmlTextReaderPtr reader, c
{
return(xmlTextReaderSchemaValidateInternal(reader, xsd, NULL, 0));
}
+
+/**
+ * xmlTextReaderRelaxNGValidateCtxt:
+ * @reader: the xmlTextReaderPtr used
+ * @ctxt: the RelaxNG schema validation context or NULL
+ * @options: options (not used yet)
+ *
+ * Use RelaxNG schema context to validate the document as it is processed.
+ * Activation is only possible before the first Read().
+ * If @ctxt is NULL, then RelaxNG schema validation is deactivated.
+ *
+ * Returns 0 in case the schemas validation could be (de)activated and
+ * -1 in case of error.
+ */
+int
+xmlTextReaderRelaxNGValidateCtxt(xmlTextReaderPtr reader,
+ xmlRelaxNGValidCtxtPtr ctxt,
+ int options)
+{
+ return(xmlTextReaderRelaxNGValidateInternal(reader, NULL, ctxt, options));
+}
+
+/**
+ * xmlTextReaderRelaxNGValidate:
+ * @reader: the xmlTextReaderPtr used
+ * @rng: the path to a RelaxNG schema or NULL
+ *
+ * Use RelaxNG schema to validate the document as it is processed.
+ * Activation is only possible before the first Read().
+ * If @rng is NULL, then RelaxNG schema validation is deactivated.
+ *
+ * Returns 0 in case the schemas validation could be (de)activated and
+ * -1 in case of error.
+ */
+int
+xmlTextReaderRelaxNGValidate(xmlTextReaderPtr reader, const char *rng)
+{
+ return(xmlTextReaderRelaxNGValidateInternal(reader, rng, NULL, 0));
+}
+
#endif
/**
@@ -5331,8 +5407,11 @@ xmlReaderForIO(xmlInputReadCallback ioread, xmlInputCl
input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx,
XML_CHAR_ENCODING_NONE);
- if (input == NULL)
+ if (input == NULL) {
+ if (ioclose != NULL)
+ ioclose(ioctx);
return (NULL);
+ }
reader = xmlNewTextReader(input, URL);
if (reader == NULL) {
xmlFreeParserInputBuffer(input);
@@ -5549,10 +5628,14 @@ xmlReaderNewIO(xmlTextReaderPtr reader, xmlInputReadCa
input = xmlParserInputBufferCreateIO(ioread, ioclose, ioctx,
XML_CHAR_ENCODING_NONE);
- if (input == NULL)
+ if (input == NULL) {
+ if (ioclose != NULL)
+ ioclose(ioctx);
return (-1);
+ }
return (xmlTextReaderSetup(reader, input, URL, encoding, options));
}
+
/************************************************************************
* *
* Utilities *