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From j...@apache.org
Subject [42/51] [abbrv] [partial] incubator-corinthia git commit: added libxml2 2.9.2 from xmlsoft.org
Date Mon, 23 Mar 2015 10:46:35 GMT
http://git-wip-us.apache.org/repos/asf/incubator-corinthia/blob/e181189e/DocFormats/platform/3rdparty/libxml2-2.9.2/SAX2.c
----------------------------------------------------------------------
diff --git a/DocFormats/platform/3rdparty/libxml2-2.9.2/SAX2.c b/DocFormats/platform/3rdparty/libxml2-2.9.2/SAX2.c
new file mode 100644
index 0000000..ffef3e1
--- /dev/null
+++ b/DocFormats/platform/3rdparty/libxml2-2.9.2/SAX2.c
@@ -0,0 +1,3045 @@
+/*
+ * SAX2.c : Default SAX2 handler to build a tree.
+ *
+ * See Copyright for the status of this software.
+ *
+ * Daniel Veillard <daniel@veillard.com>
+ */
+
+
+#define IN_LIBXML
+#include "libxml.h"
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <libxml/xmlmemory.h>
+#include <libxml/tree.h>
+#include <libxml/parser.h>
+#include <libxml/parserInternals.h>
+#include <libxml/valid.h>
+#include <libxml/entities.h>
+#include <libxml/xmlerror.h>
+#include <libxml/debugXML.h>
+#include <libxml/xmlIO.h>
+#include <libxml/SAX.h>
+#include <libxml/uri.h>
+#include <libxml/valid.h>
+#include <libxml/HTMLtree.h>
+#include <libxml/globals.h>
+
+/* Define SIZE_T_MAX unless defined through <limits.h>. */
+#ifndef SIZE_T_MAX
+# define SIZE_T_MAX     ((size_t)-1)
+#endif /* !SIZE_T_MAX */
+
+/* #define DEBUG_SAX2 */
+/* #define DEBUG_SAX2_TREE */
+
+/**
+ * TODO:
+ *
+ * macro to flag unimplemented blocks
+ * XML_CATALOG_PREFER user env to select between system/public prefered
+ * option. C.f. Richard Tobin <richard@cogsci.ed.ac.uk>
+ *> Just FYI, I am using an environment variable XML_CATALOG_PREFER with
+ *> values "system" and "public".  I have made the default be "system" to
+ *> match yours.
+ */
+#define TODO								\
+    xmlGenericError(xmlGenericErrorContext,				\
+	    "Unimplemented block at %s:%d\n",				\
+            __FILE__, __LINE__);
+
+/*
+ * xmlSAX2ErrMemory:
+ * @ctxt:  an XML validation parser context
+ * @msg:   a string to accompany the error message
+ */
+static void
+xmlSAX2ErrMemory(xmlParserCtxtPtr ctxt, const char *msg) {
+    xmlStructuredErrorFunc schannel = NULL;
+    const char *str1 = "out of memory\n";
+
+    if (ctxt != NULL) {
+	ctxt->errNo = XML_ERR_NO_MEMORY;
+	if ((ctxt->sax != NULL) && (ctxt->sax->initialized == XML_SAX2_MAGIC))
+	    schannel = ctxt->sax->serror;
+	__xmlRaiseError(schannel,
+			ctxt->vctxt.error, ctxt->vctxt.userData,
+			ctxt, NULL, XML_FROM_PARSER, XML_ERR_NO_MEMORY,
+			XML_ERR_ERROR, NULL, 0, (const char *) str1,
+			NULL, NULL, 0, 0,
+			msg, (const char *) str1, NULL);
+	ctxt->errNo = XML_ERR_NO_MEMORY;
+	ctxt->instate = XML_PARSER_EOF;
+	ctxt->disableSAX = 1;
+    } else {
+	__xmlRaiseError(schannel,
+			NULL, NULL,
+			ctxt, NULL, XML_FROM_PARSER, XML_ERR_NO_MEMORY,
+			XML_ERR_ERROR, NULL, 0, (const char *) str1,
+			NULL, NULL, 0, 0,
+			msg, (const char *) str1, NULL);
+    }
+}
+
+/**
+ * xmlValidError:
+ * @ctxt:  an XML validation parser context
+ * @error:  the error number
+ * @msg:  the error message
+ * @str1:  extra data
+ * @str2:  extra data
+ *
+ * Handle a validation error
+ */
+static void
+xmlErrValid(xmlParserCtxtPtr ctxt, xmlParserErrors error,
+            const char *msg, const char *str1, const char *str2)
+{
+    xmlStructuredErrorFunc schannel = NULL;
+
+    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
+        (ctxt->instate == XML_PARSER_EOF))
+	return;
+    if (ctxt != NULL) {
+	ctxt->errNo = error;
+	if ((ctxt->sax != NULL) && (ctxt->sax->initialized == XML_SAX2_MAGIC))
+	    schannel = ctxt->sax->serror;
+	__xmlRaiseError(schannel,
+			ctxt->vctxt.error, ctxt->vctxt.userData,
+			ctxt, NULL, XML_FROM_DTD, error,
+			XML_ERR_ERROR, NULL, 0, (const char *) str1,
+			(const char *) str2, NULL, 0, 0,
+			msg, (const char *) str1, (const char *) str2);
+	ctxt->valid = 0;
+    } else {
+	__xmlRaiseError(schannel,
+			NULL, NULL,
+			ctxt, NULL, XML_FROM_DTD, error,
+			XML_ERR_ERROR, NULL, 0, (const char *) str1,
+			(const char *) str2, NULL, 0, 0,
+			msg, (const char *) str1, (const char *) str2);
+    }
+}
+
+/**
+ * xmlFatalErrMsg:
+ * @ctxt:  an XML parser context
+ * @error:  the error number
+ * @msg:  the error message
+ * @str1:  an error string
+ * @str2:  an error string
+ *
+ * Handle a fatal parser error, i.e. violating Well-Formedness constraints
+ */
+static void
+xmlFatalErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
+               const char *msg, const xmlChar *str1, const xmlChar *str2)
+{
+    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
+        (ctxt->instate == XML_PARSER_EOF))
+	return;
+    if (ctxt != NULL)
+	ctxt->errNo = error;
+    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
+                    XML_ERR_FATAL, NULL, 0,
+		    (const char *) str1, (const char *) str2,
+		    NULL, 0, 0, msg, str1, str2);
+    if (ctxt != NULL) {
+	ctxt->wellFormed = 0;
+	ctxt->valid = 0;
+	if (ctxt->recovery == 0)
+	    ctxt->disableSAX = 1;
+    }
+}
+
+/**
+ * xmlWarnMsg:
+ * @ctxt:  an XML parser context
+ * @error:  the error number
+ * @msg:  the error message
+ * @str1:  an error string
+ * @str2:  an error string
+ *
+ * Handle a parser warning
+ */
+static void
+xmlWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
+               const char *msg, const xmlChar *str1)
+{
+    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
+        (ctxt->instate == XML_PARSER_EOF))
+	return;
+    if (ctxt != NULL)
+	ctxt->errNo = error;
+    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_PARSER, error,
+                    XML_ERR_WARNING, NULL, 0,
+		    (const char *) str1, NULL,
+		    NULL, 0, 0, msg, str1);
+}
+
+/**
+ * xmlNsErrMsg:
+ * @ctxt:  an XML parser context
+ * @error:  the error number
+ * @msg:  the error message
+ * @str1:  an error string
+ * @str2:  an error string
+ *
+ * Handle a namespace error
+ */
+static void
+xmlNsErrMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
+            const char *msg, const xmlChar *str1, const xmlChar *str2)
+{
+    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
+        (ctxt->instate == XML_PARSER_EOF))
+	return;
+    if (ctxt != NULL)
+	ctxt->errNo = error;
+    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_NAMESPACE, error,
+                    XML_ERR_ERROR, NULL, 0,
+		    (const char *) str1, (const char *) str2,
+		    NULL, 0, 0, msg, str1, str2);
+}
+
+/**
+ * xmlNsWarnMsg:
+ * @ctxt:  an XML parser context
+ * @error:  the error number
+ * @msg:  the error message
+ * @str1:  an error string
+ *
+ * Handle a namespace warning
+ */
+static void
+xmlNsWarnMsg(xmlParserCtxtPtr ctxt, xmlParserErrors error,
+             const char *msg, const xmlChar *str1, const xmlChar *str2)
+{
+    if ((ctxt != NULL) && (ctxt->disableSAX != 0) &&
+        (ctxt->instate == XML_PARSER_EOF))
+	return;
+    if (ctxt != NULL)
+	ctxt->errNo = error;
+    __xmlRaiseError(NULL, NULL, NULL, ctxt, NULL, XML_FROM_NAMESPACE, error,
+                    XML_ERR_WARNING, NULL, 0,
+		    (const char *) str1, (const char *) str2,
+		    NULL, 0, 0, msg, str1, str2);
+}
+
+/**
+ * xmlSAX2GetPublicId:
+ * @ctx: the user data (XML parser context)
+ *
+ * Provides the public ID e.g. "-//SGMLSOURCE//DTD DEMO//EN"
+ *
+ * Returns a xmlChar *
+ */
+const xmlChar *
+xmlSAX2GetPublicId(void *ctx ATTRIBUTE_UNUSED)
+{
+    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
+    return(NULL);
+}
+
+/**
+ * xmlSAX2GetSystemId:
+ * @ctx: the user data (XML parser context)
+ *
+ * Provides the system ID, basically URL or filename e.g.
+ * http://www.sgmlsource.com/dtds/memo.dtd
+ *
+ * Returns a xmlChar *
+ */
+const xmlChar *
+xmlSAX2GetSystemId(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if ((ctx == NULL) || (ctxt->input == NULL)) return(NULL);
+    return((const xmlChar *) ctxt->input->filename);
+}
+
+/**
+ * xmlSAX2GetLineNumber:
+ * @ctx: the user data (XML parser context)
+ *
+ * Provide the line number of the current parsing point.
+ *
+ * Returns an int
+ */
+int
+xmlSAX2GetLineNumber(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if ((ctx == NULL) || (ctxt->input == NULL)) return(0);
+    return(ctxt->input->line);
+}
+
+/**
+ * xmlSAX2GetColumnNumber:
+ * @ctx: the user data (XML parser context)
+ *
+ * Provide the column number of the current parsing point.
+ *
+ * Returns an int
+ */
+int
+xmlSAX2GetColumnNumber(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if ((ctx == NULL) || (ctxt->input == NULL)) return(0);
+    return(ctxt->input->col);
+}
+
+/**
+ * xmlSAX2IsStandalone:
+ * @ctx: the user data (XML parser context)
+ *
+ * Is this document tagged standalone ?
+ *
+ * Returns 1 if true
+ */
+int
+xmlSAX2IsStandalone(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if ((ctx == NULL) || (ctxt->myDoc == NULL)) return(0);
+    return(ctxt->myDoc->standalone == 1);
+}
+
+/**
+ * xmlSAX2HasInternalSubset:
+ * @ctx: the user data (XML parser context)
+ *
+ * Does this document has an internal subset
+ *
+ * Returns 1 if true
+ */
+int
+xmlSAX2HasInternalSubset(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if ((ctxt == NULL) || (ctxt->myDoc == NULL)) return(0);
+    return(ctxt->myDoc->intSubset != NULL);
+}
+
+/**
+ * xmlSAX2HasExternalSubset:
+ * @ctx: the user data (XML parser context)
+ *
+ * Does this document has an external subset
+ *
+ * Returns 1 if true
+ */
+int
+xmlSAX2HasExternalSubset(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if ((ctxt == NULL) || (ctxt->myDoc == NULL)) return(0);
+    return(ctxt->myDoc->extSubset != NULL);
+}
+
+/**
+ * xmlSAX2InternalSubset:
+ * @ctx:  the user data (XML parser context)
+ * @name:  the root element name
+ * @ExternalID:  the external ID
+ * @SystemID:  the SYSTEM ID (e.g. filename or URL)
+ *
+ * Callback on internal subset declaration.
+ */
+void
+xmlSAX2InternalSubset(void *ctx, const xmlChar *name,
+	       const xmlChar *ExternalID, const xmlChar *SystemID)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlDtdPtr dtd;
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2InternalSubset(%s, %s, %s)\n",
+            name, ExternalID, SystemID);
+#endif
+
+    if (ctxt->myDoc == NULL)
+	return;
+    dtd = xmlGetIntSubset(ctxt->myDoc);
+    if (dtd != NULL) {
+	if (ctxt->html)
+	    return;
+	xmlUnlinkNode((xmlNodePtr) dtd);
+	xmlFreeDtd(dtd);
+	ctxt->myDoc->intSubset = NULL;
+    }
+    ctxt->myDoc->intSubset =
+	xmlCreateIntSubset(ctxt->myDoc, name, ExternalID, SystemID);
+    if (ctxt->myDoc->intSubset == NULL)
+        xmlSAX2ErrMemory(ctxt, "xmlSAX2InternalSubset");
+}
+
+/**
+ * xmlSAX2ExternalSubset:
+ * @ctx: the user data (XML parser context)
+ * @name:  the root element name
+ * @ExternalID:  the external ID
+ * @SystemID:  the SYSTEM ID (e.g. filename or URL)
+ *
+ * Callback on external subset declaration.
+ */
+void
+xmlSAX2ExternalSubset(void *ctx, const xmlChar *name,
+	       const xmlChar *ExternalID, const xmlChar *SystemID)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2ExternalSubset(%s, %s, %s)\n",
+            name, ExternalID, SystemID);
+#endif
+    if (((ExternalID != NULL) || (SystemID != NULL)) &&
+        (((ctxt->validate) || (ctxt->loadsubset != 0)) &&
+	 (ctxt->wellFormed && ctxt->myDoc))) {
+	/*
+	 * Try to fetch and parse the external subset.
+	 */
+	xmlParserInputPtr oldinput;
+	int oldinputNr;
+	int oldinputMax;
+	xmlParserInputPtr *oldinputTab;
+	xmlParserInputPtr input = NULL;
+	xmlCharEncoding enc;
+	int oldcharset;
+	const xmlChar *oldencoding;
+
+	/*
+	 * Ask the Entity resolver to load the damn thing
+	 */
+	if ((ctxt->sax != NULL) && (ctxt->sax->resolveEntity != NULL))
+	    input = ctxt->sax->resolveEntity(ctxt->userData, ExternalID,
+	                                        SystemID);
+	if (input == NULL) {
+	    return;
+	}
+
+	xmlNewDtd(ctxt->myDoc, name, ExternalID, SystemID);
+
+	/*
+	 * make sure we won't destroy the main document context
+	 */
+	oldinput = ctxt->input;
+	oldinputNr = ctxt->inputNr;
+	oldinputMax = ctxt->inputMax;
+	oldinputTab = ctxt->inputTab;
+	oldcharset = ctxt->charset;
+	oldencoding = ctxt->encoding;
+	ctxt->encoding = NULL;
+
+	ctxt->inputTab = (xmlParserInputPtr *)
+	                 xmlMalloc(5 * sizeof(xmlParserInputPtr));
+	if (ctxt->inputTab == NULL) {
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2ExternalSubset");
+	    ctxt->input = oldinput;
+	    ctxt->inputNr = oldinputNr;
+	    ctxt->inputMax = oldinputMax;
+	    ctxt->inputTab = oldinputTab;
+	    ctxt->charset = oldcharset;
+	    ctxt->encoding = oldencoding;
+	    return;
+	}
+	ctxt->inputNr = 0;
+	ctxt->inputMax = 5;
+	ctxt->input = NULL;
+	xmlPushInput(ctxt, input);
+
+	/*
+	 * On the fly encoding conversion if needed
+	 */
+	if (ctxt->input->length >= 4) {
+	    enc = xmlDetectCharEncoding(ctxt->input->cur, 4);
+	    xmlSwitchEncoding(ctxt, enc);
+	}
+
+	if (input->filename == NULL)
+	    input->filename = (char *) xmlCanonicPath(SystemID);
+	input->line = 1;
+	input->col = 1;
+	input->base = ctxt->input->cur;
+	input->cur = ctxt->input->cur;
+	input->free = NULL;
+
+	/*
+	 * let's parse that entity knowing it's an external subset.
+	 */
+	xmlParseExternalSubset(ctxt, ExternalID, SystemID);
+
+        /*
+	 * Free up the external entities
+	 */
+
+	while (ctxt->inputNr > 1)
+	    xmlPopInput(ctxt);
+	xmlFreeInputStream(ctxt->input);
+        xmlFree(ctxt->inputTab);
+
+	/*
+	 * Restore the parsing context of the main entity
+	 */
+	ctxt->input = oldinput;
+	ctxt->inputNr = oldinputNr;
+	ctxt->inputMax = oldinputMax;
+	ctxt->inputTab = oldinputTab;
+	ctxt->charset = oldcharset;
+	if ((ctxt->encoding != NULL) &&
+	    ((ctxt->dict == NULL) ||
+	     (!xmlDictOwns(ctxt->dict, ctxt->encoding))))
+	    xmlFree((xmlChar *) ctxt->encoding);
+	ctxt->encoding = oldencoding;
+	/* ctxt->wellFormed = oldwellFormed; */
+    }
+}
+
+/**
+ * xmlSAX2ResolveEntity:
+ * @ctx: the user data (XML parser context)
+ * @publicId: The public ID of the entity
+ * @systemId: The system ID of the entity
+ *
+ * The entity loader, to control the loading of external entities,
+ * the application can either:
+ *    - override this xmlSAX2ResolveEntity() callback in the SAX block
+ *    - or better use the xmlSetExternalEntityLoader() function to
+ *      set up it's own entity resolution routine
+ *
+ * Returns the xmlParserInputPtr if inlined or NULL for DOM behaviour.
+ */
+xmlParserInputPtr
+xmlSAX2ResolveEntity(void *ctx, const xmlChar *publicId, const xmlChar *systemId)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlParserInputPtr ret;
+    xmlChar *URI;
+    const char *base = NULL;
+
+    if (ctx == NULL) return(NULL);
+    if (ctxt->input != NULL)
+	base = ctxt->input->filename;
+    if (base == NULL)
+	base = ctxt->directory;
+
+    URI = xmlBuildURI(systemId, (const xmlChar *) base);
+
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2ResolveEntity(%s, %s)\n", publicId, systemId);
+#endif
+
+    ret = xmlLoadExternalEntity((const char *) URI,
+				(const char *) publicId, ctxt);
+    if (URI != NULL)
+	xmlFree(URI);
+    return(ret);
+}
+
+/**
+ * xmlSAX2GetEntity:
+ * @ctx: the user data (XML parser context)
+ * @name: The entity name
+ *
+ * Get an entity by name
+ *
+ * Returns the xmlEntityPtr if found.
+ */
+xmlEntityPtr
+xmlSAX2GetEntity(void *ctx, const xmlChar *name)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlEntityPtr ret = NULL;
+
+    if (ctx == NULL) return(NULL);
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2GetEntity(%s)\n", name);
+#endif
+
+    if (ctxt->inSubset == 0) {
+	ret = xmlGetPredefinedEntity(name);
+	if (ret != NULL)
+	    return(ret);
+    }
+    if ((ctxt->myDoc != NULL) && (ctxt->myDoc->standalone == 1)) {
+	if (ctxt->inSubset == 2) {
+	    ctxt->myDoc->standalone = 0;
+	    ret = xmlGetDocEntity(ctxt->myDoc, name);
+	    ctxt->myDoc->standalone = 1;
+	} else {
+	    ret = xmlGetDocEntity(ctxt->myDoc, name);
+	    if (ret == NULL) {
+		ctxt->myDoc->standalone = 0;
+		ret = xmlGetDocEntity(ctxt->myDoc, name);
+		if (ret != NULL) {
+		    xmlFatalErrMsg(ctxt, XML_ERR_NOT_STANDALONE,
+	 "Entity(%s) document marked standalone but requires external subset\n",
+				   name, NULL);
+		}
+		ctxt->myDoc->standalone = 1;
+	    }
+	}
+    } else {
+	ret = xmlGetDocEntity(ctxt->myDoc, name);
+    }
+    if ((ret != NULL) &&
+	((ctxt->validate) || (ctxt->replaceEntities)) &&
+	(ret->children == NULL) &&
+	(ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY)) {
+	int val;
+
+	/*
+	 * for validation purposes we really need to fetch and
+	 * parse the external entity
+	 */
+	xmlNodePtr children;
+	unsigned long oldnbent = ctxt->nbentities;
+
+        val = xmlParseCtxtExternalEntity(ctxt, ret->URI,
+		                         ret->ExternalID, &children);
+	if (val == 0) {
+	    xmlAddChildList((xmlNodePtr) ret, children);
+	} else {
+	    xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_PROCESSING,
+		           "Failure to process entity %s\n", name, NULL);
+	    ctxt->validate = 0;
+	    return(NULL);
+	}
+	ret->owner = 1;
+	if (ret->checked == 0) {
+	    ret->checked = (ctxt->nbentities - oldnbent + 1) * 2;
+	    if ((ret->content != NULL) && (xmlStrchr(ret->content, '<')))
+	        ret->checked |= 1;
+	}
+    }
+    return(ret);
+}
+
+/**
+ * xmlSAX2GetParameterEntity:
+ * @ctx: the user data (XML parser context)
+ * @name: The entity name
+ *
+ * Get a parameter entity by name
+ *
+ * Returns the xmlEntityPtr if found.
+ */
+xmlEntityPtr
+xmlSAX2GetParameterEntity(void *ctx, const xmlChar *name)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlEntityPtr ret;
+
+    if (ctx == NULL) return(NULL);
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2GetParameterEntity(%s)\n", name);
+#endif
+
+    ret = xmlGetParameterEntity(ctxt->myDoc, name);
+    return(ret);
+}
+
+
+/**
+ * xmlSAX2EntityDecl:
+ * @ctx: the user data (XML parser context)
+ * @name:  the entity name
+ * @type:  the entity type
+ * @publicId: The public ID of the entity
+ * @systemId: The system ID of the entity
+ * @content: the entity value (without processing).
+ *
+ * An entity definition has been parsed
+ */
+void
+xmlSAX2EntityDecl(void *ctx, const xmlChar *name, int type,
+          const xmlChar *publicId, const xmlChar *systemId, xmlChar *content)
+{
+    xmlEntityPtr ent;
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2EntityDecl(%s, %d, %s, %s, %s)\n",
+            name, type, publicId, systemId, content);
+#endif
+    if (ctxt->inSubset == 1) {
+	ent = xmlAddDocEntity(ctxt->myDoc, name, type, publicId,
+		              systemId, content);
+	if ((ent == NULL) && (ctxt->pedantic))
+	    xmlWarnMsg(ctxt, XML_WAR_ENTITY_REDEFINED,
+	     "Entity(%s) already defined in the internal subset\n",
+	               name);
+	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
+	    xmlChar *URI;
+	    const char *base = NULL;
+
+	    if (ctxt->input != NULL)
+		base = ctxt->input->filename;
+	    if (base == NULL)
+		base = ctxt->directory;
+
+	    URI = xmlBuildURI(systemId, (const xmlChar *) base);
+	    ent->URI = URI;
+	}
+    } else if (ctxt->inSubset == 2) {
+	ent = xmlAddDtdEntity(ctxt->myDoc, name, type, publicId,
+		              systemId, content);
+	if ((ent == NULL) && (ctxt->pedantic) &&
+	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
+	    ctxt->sax->warning(ctxt->userData,
+	     "Entity(%s) already defined in the external subset\n", name);
+	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
+	    xmlChar *URI;
+	    const char *base = NULL;
+
+	    if (ctxt->input != NULL)
+		base = ctxt->input->filename;
+	    if (base == NULL)
+		base = ctxt->directory;
+
+	    URI = xmlBuildURI(systemId, (const xmlChar *) base);
+	    ent->URI = URI;
+	}
+    } else {
+	xmlFatalErrMsg(ctxt, XML_ERR_ENTITY_PROCESSING,
+	               "SAX.xmlSAX2EntityDecl(%s) called while not in subset\n",
+		       name, NULL);
+    }
+}
+
+/**
+ * xmlSAX2AttributeDecl:
+ * @ctx: the user data (XML parser context)
+ * @elem:  the name of the element
+ * @fullname:  the attribute name
+ * @type:  the attribute type
+ * @def:  the type of default value
+ * @defaultValue: the attribute default value
+ * @tree:  the tree of enumerated value set
+ *
+ * An attribute definition has been parsed
+ */
+void
+xmlSAX2AttributeDecl(void *ctx, const xmlChar *elem, const xmlChar *fullname,
+              int type, int def, const xmlChar *defaultValue,
+	      xmlEnumerationPtr tree)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlAttributePtr attr;
+    xmlChar *name = NULL, *prefix = NULL;
+
+    if ((ctxt == NULL) || (ctxt->myDoc == NULL))
+        return;
+
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2AttributeDecl(%s, %s, %d, %d, %s, ...)\n",
+            elem, fullname, type, def, defaultValue);
+#endif
+    if ((xmlStrEqual(fullname, BAD_CAST "xml:id")) &&
+        (type != XML_ATTRIBUTE_ID)) {
+	/*
+	 * Raise the error but keep the validity flag
+	 */
+	int tmp = ctxt->valid;
+	xmlErrValid(ctxt, XML_DTD_XMLID_TYPE,
+	      "xml:id : attribute type should be ID\n", NULL, NULL);
+	ctxt->valid = tmp;
+    }
+    /* TODO: optimize name/prefix allocation */
+    name = xmlSplitQName(ctxt, fullname, &prefix);
+    ctxt->vctxt.valid = 1;
+    if (ctxt->inSubset == 1)
+	attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, elem,
+	       name, prefix, (xmlAttributeType) type,
+	       (xmlAttributeDefault) def, defaultValue, tree);
+    else if (ctxt->inSubset == 2)
+	attr = xmlAddAttributeDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, elem,
+	   name, prefix, (xmlAttributeType) type,
+	   (xmlAttributeDefault) def, defaultValue, tree);
+    else {
+        xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
+	     "SAX.xmlSAX2AttributeDecl(%s) called while not in subset\n",
+	               name, NULL);
+	xmlFreeEnumeration(tree);
+	return;
+    }
+#ifdef LIBXML_VALID_ENABLED
+    if (ctxt->vctxt.valid == 0)
+	ctxt->valid = 0;
+    if ((attr != NULL) && (ctxt->validate) && (ctxt->wellFormed) &&
+        (ctxt->myDoc->intSubset != NULL))
+	ctxt->valid &= xmlValidateAttributeDecl(&ctxt->vctxt, ctxt->myDoc,
+	                                        attr);
+#endif /* LIBXML_VALID_ENABLED */
+    if (prefix != NULL)
+	xmlFree(prefix);
+    if (name != NULL)
+	xmlFree(name);
+}
+
+/**
+ * xmlSAX2ElementDecl:
+ * @ctx: the user data (XML parser context)
+ * @name:  the element name
+ * @type:  the element type
+ * @content: the element value tree
+ *
+ * An element definition has been parsed
+ */
+void
+xmlSAX2ElementDecl(void *ctx, const xmlChar * name, int type,
+            xmlElementContentPtr content)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlElementPtr elem = NULL;
+
+    if ((ctxt == NULL) || (ctxt->myDoc == NULL))
+        return;
+
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+                    "SAX.xmlSAX2ElementDecl(%s, %d, ...)\n", name, type);
+#endif
+
+    if (ctxt->inSubset == 1)
+        elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->intSubset,
+                                 name, (xmlElementTypeVal) type, content);
+    else if (ctxt->inSubset == 2)
+        elem = xmlAddElementDecl(&ctxt->vctxt, ctxt->myDoc->extSubset,
+                                 name, (xmlElementTypeVal) type, content);
+    else {
+        xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
+	     "SAX.xmlSAX2ElementDecl(%s) called while not in subset\n",
+	               name, NULL);
+        return;
+    }
+#ifdef LIBXML_VALID_ENABLED
+    if (elem == NULL)
+        ctxt->valid = 0;
+    if (ctxt->validate && ctxt->wellFormed &&
+        ctxt->myDoc && ctxt->myDoc->intSubset)
+        ctxt->valid &=
+            xmlValidateElementDecl(&ctxt->vctxt, ctxt->myDoc, elem);
+#endif /* LIBXML_VALID_ENABLED */
+}
+
+/**
+ * xmlSAX2NotationDecl:
+ * @ctx: the user data (XML parser context)
+ * @name: The name of the notation
+ * @publicId: The public ID of the entity
+ * @systemId: The system ID of the entity
+ *
+ * What to do when a notation declaration has been parsed.
+ */
+void
+xmlSAX2NotationDecl(void *ctx, const xmlChar *name,
+	     const xmlChar *publicId, const xmlChar *systemId)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNotationPtr nota = NULL;
+
+    if ((ctxt == NULL) || (ctxt->myDoc == NULL))
+        return;
+
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2NotationDecl(%s, %s, %s)\n", name, publicId, systemId);
+#endif
+
+    if ((publicId == NULL) && (systemId == NULL)) {
+	xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
+	     "SAX.xmlSAX2NotationDecl(%s) externalID or PublicID missing\n",
+	               name, NULL);
+	return;
+    } else if (ctxt->inSubset == 1)
+	nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->intSubset, name,
+                              publicId, systemId);
+    else if (ctxt->inSubset == 2)
+	nota = xmlAddNotationDecl(&ctxt->vctxt, ctxt->myDoc->extSubset, name,
+                              publicId, systemId);
+    else {
+	xmlFatalErrMsg(ctxt, XML_ERR_NOTATION_PROCESSING,
+	     "SAX.xmlSAX2NotationDecl(%s) called while not in subset\n",
+	               name, NULL);
+	return;
+    }
+#ifdef LIBXML_VALID_ENABLED
+    if (nota == NULL) ctxt->valid = 0;
+    if ((ctxt->validate) && (ctxt->wellFormed) &&
+        (ctxt->myDoc->intSubset != NULL))
+	ctxt->valid &= xmlValidateNotationDecl(&ctxt->vctxt, ctxt->myDoc,
+	                                       nota);
+#endif /* LIBXML_VALID_ENABLED */
+}
+
+/**
+ * xmlSAX2UnparsedEntityDecl:
+ * @ctx: the user data (XML parser context)
+ * @name: The name of the entity
+ * @publicId: The public ID of the entity
+ * @systemId: The system ID of the entity
+ * @notationName: the name of the notation
+ *
+ * What to do when an unparsed entity declaration is parsed
+ */
+void
+xmlSAX2UnparsedEntityDecl(void *ctx, const xmlChar *name,
+		   const xmlChar *publicId, const xmlChar *systemId,
+		   const xmlChar *notationName)
+{
+    xmlEntityPtr ent;
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2UnparsedEntityDecl(%s, %s, %s, %s)\n",
+            name, publicId, systemId, notationName);
+#endif
+    if (ctxt->inSubset == 1) {
+	ent = xmlAddDocEntity(ctxt->myDoc, name,
+			XML_EXTERNAL_GENERAL_UNPARSED_ENTITY,
+			publicId, systemId, notationName);
+	if ((ent == NULL) && (ctxt->pedantic) &&
+	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
+	    ctxt->sax->warning(ctxt->userData,
+	     "Entity(%s) already defined in the internal subset\n", name);
+	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
+	    xmlChar *URI;
+	    const char *base = NULL;
+
+	    if (ctxt->input != NULL)
+		base = ctxt->input->filename;
+	    if (base == NULL)
+		base = ctxt->directory;
+
+	    URI = xmlBuildURI(systemId, (const xmlChar *) base);
+	    ent->URI = URI;
+	}
+    } else if (ctxt->inSubset == 2) {
+	ent = xmlAddDtdEntity(ctxt->myDoc, name,
+			XML_EXTERNAL_GENERAL_UNPARSED_ENTITY,
+			publicId, systemId, notationName);
+	if ((ent == NULL) && (ctxt->pedantic) &&
+	    (ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
+	    ctxt->sax->warning(ctxt->userData,
+	     "Entity(%s) already defined in the external subset\n", name);
+	if ((ent != NULL) && (ent->URI == NULL) && (systemId != NULL)) {
+	    xmlChar *URI;
+	    const char *base = NULL;
+
+	    if (ctxt->input != NULL)
+		base = ctxt->input->filename;
+	    if (base == NULL)
+		base = ctxt->directory;
+
+	    URI = xmlBuildURI(systemId, (const xmlChar *) base);
+	    ent->URI = URI;
+	}
+    } else {
+        xmlFatalErrMsg(ctxt, XML_ERR_INTERNAL_ERROR,
+	     "SAX.xmlSAX2UnparsedEntityDecl(%s) called while not in subset\n",
+	               name, NULL);
+    }
+}
+
+/**
+ * xmlSAX2SetDocumentLocator:
+ * @ctx: the user data (XML parser context)
+ * @loc: A SAX Locator
+ *
+ * Receive the document locator at startup, actually xmlDefaultSAXLocator
+ * Everything is available on the context, so this is useless in our case.
+ */
+void
+xmlSAX2SetDocumentLocator(void *ctx ATTRIBUTE_UNUSED, xmlSAXLocatorPtr loc ATTRIBUTE_UNUSED)
+{
+    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2SetDocumentLocator()\n");
+#endif
+}
+
+/**
+ * xmlSAX2StartDocument:
+ * @ctx: the user data (XML parser context)
+ *
+ * called when the document start being processed.
+ */
+void
+xmlSAX2StartDocument(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlDocPtr doc;
+
+    if (ctx == NULL) return;
+
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2StartDocument()\n");
+#endif
+    if (ctxt->html) {
+#ifdef LIBXML_HTML_ENABLED
+	if (ctxt->myDoc == NULL)
+	    ctxt->myDoc = htmlNewDocNoDtD(NULL, NULL);
+	if (ctxt->myDoc == NULL) {
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
+	    return;
+	}
+	ctxt->myDoc->properties = XML_DOC_HTML;
+	ctxt->myDoc->parseFlags = ctxt->options;
+#else
+        xmlGenericError(xmlGenericErrorContext,
+		"libxml2 built without HTML support\n");
+	ctxt->errNo = XML_ERR_INTERNAL_ERROR;
+	ctxt->instate = XML_PARSER_EOF;
+	ctxt->disableSAX = 1;
+	return;
+#endif
+    } else {
+	doc = ctxt->myDoc = xmlNewDoc(ctxt->version);
+	if (doc != NULL) {
+	    doc->properties = 0;
+	    if (ctxt->options & XML_PARSE_OLD10)
+	        doc->properties |= XML_DOC_OLD10;
+	    doc->parseFlags = ctxt->options;
+	    if (ctxt->encoding != NULL)
+		doc->encoding = xmlStrdup(ctxt->encoding);
+	    else
+		doc->encoding = NULL;
+	    doc->standalone = ctxt->standalone;
+	} else {
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
+	    return;
+	}
+	if ((ctxt->dictNames) && (doc != NULL)) {
+	    doc->dict = ctxt->dict;
+	    xmlDictReference(doc->dict);
+	}
+    }
+    if ((ctxt->myDoc != NULL) && (ctxt->myDoc->URL == NULL) &&
+	(ctxt->input != NULL) && (ctxt->input->filename != NULL)) {
+	ctxt->myDoc->URL = xmlPathToURI((const xmlChar *)ctxt->input->filename);
+	if (ctxt->myDoc->URL == NULL)
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2StartDocument");
+    }
+}
+
+/**
+ * xmlSAX2EndDocument:
+ * @ctx: the user data (XML parser context)
+ *
+ * called when the document end has been detected.
+ */
+void
+xmlSAX2EndDocument(void *ctx)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2EndDocument()\n");
+#endif
+    if (ctx == NULL) return;
+#ifdef LIBXML_VALID_ENABLED
+    if (ctxt->validate && ctxt->wellFormed &&
+        ctxt->myDoc && ctxt->myDoc->intSubset)
+	ctxt->valid &= xmlValidateDocumentFinal(&ctxt->vctxt, ctxt->myDoc);
+#endif /* LIBXML_VALID_ENABLED */
+
+    /*
+     * Grab the encoding if it was added on-the-fly
+     */
+    if ((ctxt->encoding != NULL) && (ctxt->myDoc != NULL) &&
+	(ctxt->myDoc->encoding == NULL)) {
+	ctxt->myDoc->encoding = ctxt->encoding;
+	ctxt->encoding = NULL;
+    }
+    if ((ctxt->inputTab != NULL) &&
+        (ctxt->inputNr > 0) && (ctxt->inputTab[0] != NULL) &&
+        (ctxt->inputTab[0]->encoding != NULL) && (ctxt->myDoc != NULL) &&
+	(ctxt->myDoc->encoding == NULL)) {
+	ctxt->myDoc->encoding = xmlStrdup(ctxt->inputTab[0]->encoding);
+    }
+    if ((ctxt->charset != XML_CHAR_ENCODING_NONE) && (ctxt->myDoc != NULL) &&
+	(ctxt->myDoc->charset == XML_CHAR_ENCODING_NONE)) {
+	ctxt->myDoc->charset = ctxt->charset;
+    }
+}
+
+#if defined(LIBXML_SAX1_ENABLED) || defined(LIBXML_HTML_ENABLED) || defined(LIBXML_WRITER_ENABLED) || defined(LIBXML_DOCB_ENABLED) || defined(LIBXML_LEGACY_ENABLED)
+/**
+ * xmlSAX2AttributeInternal:
+ * @ctx: the user data (XML parser context)
+ * @fullname:  The attribute name, including namespace prefix
+ * @value:  The attribute value
+ * @prefix: the prefix on the element node
+ *
+ * Handle an attribute that has been read by the parser.
+ * The default handling is to convert the attribute into an
+ * DOM subtree and past it in a new xmlAttr element added to
+ * the element.
+ */
+static void
+xmlSAX2AttributeInternal(void *ctx, const xmlChar *fullname,
+             const xmlChar *value, const xmlChar *prefix ATTRIBUTE_UNUSED)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlAttrPtr ret;
+    xmlChar *name;
+    xmlChar *ns;
+    xmlChar *nval;
+    xmlNsPtr namespace;
+
+    if (ctxt->html) {
+	name = xmlStrdup(fullname);
+	ns = NULL;
+	namespace = NULL;
+    } else {
+	/*
+	 * Split the full name into a namespace prefix and the tag name
+	 */
+	name = xmlSplitQName(ctxt, fullname, &ns);
+	if ((name != NULL) && (name[0] == 0)) {
+	    if (xmlStrEqual(ns, BAD_CAST "xmlns")) {
+		xmlNsErrMsg(ctxt, XML_ERR_NS_DECL_ERROR,
+			    "invalid namespace declaration '%s'\n",
+			    fullname, NULL);
+	    } else {
+		xmlNsWarnMsg(ctxt, XML_WAR_NS_COLUMN,
+			     "Avoid attribute ending with ':' like '%s'\n",
+			     fullname, NULL);
+	    }
+	    if (ns != NULL)
+		xmlFree(ns);
+	    ns = NULL;
+	    xmlFree(name);
+	    name = xmlStrdup(fullname);
+	}
+    }
+    if (name == NULL) {
+        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
+	if (ns != NULL)
+	    xmlFree(ns);
+	return;
+    }
+
+#ifdef LIBXML_HTML_ENABLED
+    if ((ctxt->html) &&
+        (value == NULL) && (htmlIsBooleanAttr(fullname))) {
+            nval = xmlStrdup(fullname);
+            value = (const xmlChar *) nval;
+    } else
+#endif
+    {
+#ifdef LIBXML_VALID_ENABLED
+        /*
+         * Do the last stage of the attribute normalization
+         * Needed for HTML too:
+         *   http://www.w3.org/TR/html4/types.html#h-6.2
+         */
+        ctxt->vctxt.valid = 1;
+        nval = xmlValidCtxtNormalizeAttributeValue(&ctxt->vctxt,
+                                               ctxt->myDoc, ctxt->node,
+                                               fullname, value);
+        if (ctxt->vctxt.valid != 1) {
+            ctxt->valid = 0;
+        }
+        if (nval != NULL)
+            value = nval;
+#else
+        nval = NULL;
+#endif /* LIBXML_VALID_ENABLED */
+    }
+
+    /*
+     * Check whether it's a namespace definition
+     */
+    if ((!ctxt->html) && (ns == NULL) &&
+        (name[0] == 'x') && (name[1] == 'm') && (name[2] == 'l') &&
+        (name[3] == 'n') && (name[4] == 's') && (name[5] == 0)) {
+	xmlNsPtr nsret;
+	xmlChar *val;
+
+        if (!ctxt->replaceEntities) {
+	    ctxt->depth++;
+	    val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
+		                          0,0,0);
+	    ctxt->depth--;
+	    if (val == NULL) {
+	        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
+		if (name != NULL)
+		    xmlFree(name);
+		return;
+	    }
+	} else {
+	    val = (xmlChar *) value;
+	}
+
+	if (val[0] != 0) {
+	    xmlURIPtr uri;
+
+	    uri = xmlParseURI((const char *)val);
+	    if (uri == NULL) {
+		if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
+		    ctxt->sax->warning(ctxt->userData,
+			 "xmlns: %s not a valid URI\n", val);
+	    } else {
+		if (uri->scheme == NULL) {
+		    if ((ctxt->sax != NULL) && (ctxt->sax->warning != NULL))
+			ctxt->sax->warning(ctxt->userData,
+			     "xmlns: URI %s is not absolute\n", val);
+		}
+		xmlFreeURI(uri);
+	    }
+	}
+
+	/* a default namespace definition */
+	nsret = xmlNewNs(ctxt->node, val, NULL);
+
+#ifdef LIBXML_VALID_ENABLED
+	/*
+	 * Validate also for namespace decls, they are attributes from
+	 * an XML-1.0 perspective
+	 */
+        if (nsret != NULL && ctxt->validate && ctxt->wellFormed &&
+	    ctxt->myDoc && ctxt->myDoc->intSubset)
+	    ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
+					   ctxt->node, prefix, nsret, val);
+#endif /* LIBXML_VALID_ENABLED */
+	if (name != NULL)
+	    xmlFree(name);
+	if (nval != NULL)
+	    xmlFree(nval);
+	if (val != value)
+	    xmlFree(val);
+	return;
+    }
+    if ((!ctxt->html) &&
+	(ns != NULL) && (ns[0] == 'x') && (ns[1] == 'm') && (ns[2] == 'l') &&
+        (ns[3] == 'n') && (ns[4] == 's') && (ns[5] == 0)) {
+	xmlNsPtr nsret;
+	xmlChar *val;
+
+        if (!ctxt->replaceEntities) {
+	    ctxt->depth++;
+	    val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
+		                          0,0,0);
+	    ctxt->depth--;
+	    if (val == NULL) {
+	        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
+	        xmlFree(ns);
+		if (name != NULL)
+		    xmlFree(name);
+		return;
+	    }
+	} else {
+	    val = (xmlChar *) value;
+	}
+
+	if (val[0] == 0) {
+	    xmlNsErrMsg(ctxt, XML_NS_ERR_EMPTY,
+		        "Empty namespace name for prefix %s\n", name, NULL);
+	}
+	if ((ctxt->pedantic != 0) && (val[0] != 0)) {
+	    xmlURIPtr uri;
+
+	    uri = xmlParseURI((const char *)val);
+	    if (uri == NULL) {
+	        xmlNsWarnMsg(ctxt, XML_WAR_NS_URI,
+			 "xmlns:%s: %s not a valid URI\n", name, value);
+	    } else {
+		if (uri->scheme == NULL) {
+		    xmlNsWarnMsg(ctxt, XML_WAR_NS_URI_RELATIVE,
+			   "xmlns:%s: URI %s is not absolute\n", name, value);
+		}
+		xmlFreeURI(uri);
+	    }
+	}
+
+	/* a standard namespace definition */
+	nsret = xmlNewNs(ctxt->node, val, name);
+	xmlFree(ns);
+#ifdef LIBXML_VALID_ENABLED
+	/*
+	 * Validate also for namespace decls, they are attributes from
+	 * an XML-1.0 perspective
+	 */
+        if (nsret != NULL && ctxt->validate && ctxt->wellFormed &&
+	    ctxt->myDoc && ctxt->myDoc->intSubset)
+	    ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
+					   ctxt->node, prefix, nsret, value);
+#endif /* LIBXML_VALID_ENABLED */
+	if (name != NULL)
+	    xmlFree(name);
+	if (nval != NULL)
+	    xmlFree(nval);
+	if (val != value)
+	    xmlFree(val);
+	return;
+    }
+
+    if (ns != NULL) {
+	namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, ns);
+
+	if (namespace == NULL) {
+	    xmlNsErrMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
+		    "Namespace prefix %s of attribute %s is not defined\n",
+		             ns, name);
+	} else {
+            xmlAttrPtr prop;
+
+            prop = ctxt->node->properties;
+            while (prop != NULL) {
+                if (prop->ns != NULL) {
+                    if ((xmlStrEqual(name, prop->name)) &&
+                        ((namespace == prop->ns) ||
+                         (xmlStrEqual(namespace->href, prop->ns->href)))) {
+                            xmlNsErrMsg(ctxt, XML_ERR_ATTRIBUTE_REDEFINED,
+                                    "Attribute %s in %s redefined\n",
+                                             name, namespace->href);
+                        ctxt->wellFormed = 0;
+                        if (ctxt->recovery == 0) ctxt->disableSAX = 1;
+                        goto error;
+                    }
+                }
+                prop = prop->next;
+            }
+        }
+    } else {
+	namespace = NULL;
+    }
+
+    /* !!!!!! <a toto:arg="" xmlns:toto="http://toto.com"> */
+    ret = xmlNewNsPropEatName(ctxt->node, namespace, name, NULL);
+
+    if (ret != NULL) {
+        if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
+	    xmlNodePtr tmp;
+
+	    ret->children = xmlStringGetNodeList(ctxt->myDoc, value);
+	    tmp = ret->children;
+	    while (tmp != NULL) {
+		tmp->parent = (xmlNodePtr) ret;
+		if (tmp->next == NULL)
+		    ret->last = tmp;
+		tmp = tmp->next;
+	    }
+	} else if (value != NULL) {
+	    ret->children = xmlNewDocText(ctxt->myDoc, value);
+	    ret->last = ret->children;
+	    if (ret->children != NULL)
+		ret->children->parent = (xmlNodePtr) ret;
+	}
+    }
+
+#ifdef LIBXML_VALID_ENABLED
+    if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
+        ctxt->myDoc && ctxt->myDoc->intSubset) {
+
+	/*
+	 * If we don't substitute entities, the validation should be
+	 * done on a value with replaced entities anyway.
+	 */
+        if (!ctxt->replaceEntities) {
+	    xmlChar *val;
+
+	    ctxt->depth++;
+	    val = xmlStringDecodeEntities(ctxt, value, XML_SUBSTITUTE_REF,
+		                          0,0,0);
+	    ctxt->depth--;
+
+	    if (val == NULL)
+		ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
+				ctxt->myDoc, ctxt->node, ret, value);
+	    else {
+		xmlChar *nvalnorm;
+
+		/*
+		 * Do the last stage of the attribute normalization
+		 * It need to be done twice ... it's an extra burden related
+		 * to the ability to keep xmlSAX2References in attributes
+		 */
+		nvalnorm = xmlValidNormalizeAttributeValue(ctxt->myDoc,
+					    ctxt->node, fullname, val);
+		if (nvalnorm != NULL) {
+		    xmlFree(val);
+		    val = nvalnorm;
+		}
+
+		ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
+			        ctxt->myDoc, ctxt->node, ret, val);
+                xmlFree(val);
+	    }
+	} else {
+	    ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt, ctxt->myDoc,
+					       ctxt->node, ret, value);
+	}
+    } else
+#endif /* LIBXML_VALID_ENABLED */
+           if (((ctxt->loadsubset & XML_SKIP_IDS) == 0) &&
+	       (((ctxt->replaceEntities == 0) && (ctxt->external != 2)) ||
+	        ((ctxt->replaceEntities != 0) && (ctxt->inSubset == 0)))) {
+        /*
+	 * when validating, the ID registration is done at the attribute
+	 * validation level. Otherwise we have to do specific handling here.
+	 */
+	if (xmlStrEqual(fullname, BAD_CAST "xml:id")) {
+	    /*
+	     * Add the xml:id value
+	     *
+	     * Open issue: normalization of the value.
+	     */
+	    if (xmlValidateNCName(value, 1) != 0) {
+	        xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
+		      "xml:id : attribute value %s is not an NCName\n",
+			    (const char *) value, NULL);
+	    }
+	    xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret);
+	} else if (xmlIsID(ctxt->myDoc, ctxt->node, ret))
+	    xmlAddID(&ctxt->vctxt, ctxt->myDoc, value, ret);
+	else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret))
+	    xmlAddRef(&ctxt->vctxt, ctxt->myDoc, value, ret);
+    }
+
+error:
+    if (nval != NULL)
+	xmlFree(nval);
+    if (ns != NULL)
+	xmlFree(ns);
+}
+
+/*
+ * xmlCheckDefaultedAttributes:
+ *
+ * Check defaulted attributes from the DTD
+ */
+static void
+xmlCheckDefaultedAttributes(xmlParserCtxtPtr ctxt, const xmlChar *name,
+	const xmlChar *prefix, const xmlChar **atts) {
+    xmlElementPtr elemDecl;
+    const xmlChar *att;
+    int internal = 1;
+    int i;
+
+    elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->intSubset, name, prefix);
+    if (elemDecl == NULL) {
+	elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset, name, prefix);
+	internal = 0;
+    }
+
+process_external_subset:
+
+    if (elemDecl != NULL) {
+	xmlAttributePtr attr = elemDecl->attributes;
+	/*
+	 * Check against defaulted attributes from the external subset
+	 * if the document is stamped as standalone
+	 */
+	if ((ctxt->myDoc->standalone == 1) &&
+	    (ctxt->myDoc->extSubset != NULL) &&
+	    (ctxt->validate)) {
+	    while (attr != NULL) {
+		if ((attr->defaultValue != NULL) &&
+		    (xmlGetDtdQAttrDesc(ctxt->myDoc->extSubset,
+					attr->elem, attr->name,
+					attr->prefix) == attr) &&
+		    (xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset,
+					attr->elem, attr->name,
+					attr->prefix) == NULL)) {
+		    xmlChar *fulln;
+
+		    if (attr->prefix != NULL) {
+			fulln = xmlStrdup(attr->prefix);
+			fulln = xmlStrcat(fulln, BAD_CAST ":");
+			fulln = xmlStrcat(fulln, attr->name);
+		    } else {
+			fulln = xmlStrdup(attr->name);
+		    }
+                    if (fulln == NULL) {
+                        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
+                        break;
+                    }
+
+		    /*
+		     * Check that the attribute is not declared in the
+		     * serialization
+		     */
+		    att = NULL;
+		    if (atts != NULL) {
+			i = 0;
+			att = atts[i];
+			while (att != NULL) {
+			    if (xmlStrEqual(att, fulln))
+				break;
+			    i += 2;
+			    att = atts[i];
+			}
+		    }
+		    if (att == NULL) {
+		        xmlErrValid(ctxt, XML_DTD_STANDALONE_DEFAULTED,
+      "standalone: attribute %s on %s defaulted from external subset\n",
+				    (const char *)fulln,
+				    (const char *)attr->elem);
+		    }
+                    xmlFree(fulln);
+		}
+		attr = attr->nexth;
+	    }
+	}
+
+	/*
+	 * Actually insert defaulted values when needed
+	 */
+	attr = elemDecl->attributes;
+	while (attr != NULL) {
+	    /*
+	     * Make sure that attributes redefinition occuring in the
+	     * internal subset are not overriden by definitions in the
+	     * external subset.
+	     */
+	    if (attr->defaultValue != NULL) {
+		/*
+		 * the element should be instantiated in the tree if:
+		 *  - this is a namespace prefix
+		 *  - the user required for completion in the tree
+		 *    like XSLT
+		 *  - there isn't already an attribute definition
+		 *    in the internal subset overriding it.
+		 */
+		if (((attr->prefix != NULL) &&
+		     (xmlStrEqual(attr->prefix, BAD_CAST "xmlns"))) ||
+		    ((attr->prefix == NULL) &&
+		     (xmlStrEqual(attr->name, BAD_CAST "xmlns"))) ||
+		    (ctxt->loadsubset & XML_COMPLETE_ATTRS)) {
+		    xmlAttributePtr tst;
+
+		    tst = xmlGetDtdQAttrDesc(ctxt->myDoc->intSubset,
+					     attr->elem, attr->name,
+					     attr->prefix);
+		    if ((tst == attr) || (tst == NULL)) {
+		        xmlChar fn[50];
+			xmlChar *fulln;
+
+                        fulln = xmlBuildQName(attr->name, attr->prefix, fn, 50);
+			if (fulln == NULL) {
+			    xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
+			    return;
+			}
+
+			/*
+			 * Check that the attribute is not declared in the
+			 * serialization
+			 */
+			att = NULL;
+			if (atts != NULL) {
+			    i = 0;
+			    att = atts[i];
+			    while (att != NULL) {
+				if (xmlStrEqual(att, fulln))
+				    break;
+				i += 2;
+				att = atts[i];
+			    }
+			}
+			if (att == NULL) {
+			    xmlSAX2AttributeInternal(ctxt, fulln,
+						 attr->defaultValue, prefix);
+			}
+			if ((fulln != fn) && (fulln != attr->name))
+			    xmlFree(fulln);
+		    }
+		}
+	    }
+	    attr = attr->nexth;
+	}
+	if (internal == 1) {
+	    elemDecl = xmlGetDtdQElementDesc(ctxt->myDoc->extSubset,
+		                             name, prefix);
+	    internal = 0;
+	    goto process_external_subset;
+	}
+    }
+}
+
+/**
+ * xmlSAX2StartElement:
+ * @ctx: the user data (XML parser context)
+ * @fullname:  The element name, including namespace prefix
+ * @atts:  An array of name/value attributes pairs, NULL terminated
+ *
+ * called when an opening tag has been processed.
+ */
+void
+xmlSAX2StartElement(void *ctx, const xmlChar *fullname, const xmlChar **atts)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr ret;
+    xmlNodePtr parent;
+    xmlNsPtr ns;
+    xmlChar *name;
+    xmlChar *prefix;
+    const xmlChar *att;
+    const xmlChar *value;
+    int i;
+
+    if ((ctx == NULL) || (fullname == NULL) || (ctxt->myDoc == NULL)) return;
+    parent = ctxt->node;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2StartElement(%s)\n", fullname);
+#endif
+
+    /*
+     * First check on validity:
+     */
+    if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&
+        ((ctxt->myDoc->intSubset == NULL) ||
+	 ((ctxt->myDoc->intSubset->notations == NULL) &&
+	  (ctxt->myDoc->intSubset->elements == NULL) &&
+	  (ctxt->myDoc->intSubset->attributes == NULL) &&
+	  (ctxt->myDoc->intSubset->entities == NULL)))) {
+	xmlErrValid(ctxt, XML_ERR_NO_DTD,
+	  "Validation failed: no DTD found !", NULL, NULL);
+	ctxt->validate = 0;
+    }
+
+
+    /*
+     * Split the full name into a namespace prefix and the tag name
+     */
+    name = xmlSplitQName(ctxt, fullname, &prefix);
+
+
+    /*
+     * Note : the namespace resolution is deferred until the end of the
+     *        attributes parsing, since local namespace can be defined as
+     *        an attribute at this level.
+     */
+    ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL, name, NULL);
+    if (ret == NULL) {
+        if (prefix != NULL)
+	    xmlFree(prefix);
+	xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElement");
+        return;
+    }
+    if (ctxt->myDoc->children == NULL) {
+#ifdef DEBUG_SAX_TREE
+	xmlGenericError(xmlGenericErrorContext, "Setting %s as root\n", name);
+#endif
+        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
+    } else if (parent == NULL) {
+        parent = ctxt->myDoc->children;
+    }
+    ctxt->nodemem = -1;
+    if (ctxt->linenumbers) {
+	if (ctxt->input != NULL) {
+	    if (ctxt->input->line < 65535)
+		ret->line = (short) ctxt->input->line;
+	    else
+	        ret->line = 65535;
+	}
+    }
+
+    /*
+     * We are parsing a new node.
+     */
+#ifdef DEBUG_SAX_TREE
+    xmlGenericError(xmlGenericErrorContext, "pushing(%s)\n", name);
+#endif
+    nodePush(ctxt, ret);
+
+    /*
+     * Link the child element
+     */
+    if (parent != NULL) {
+        if (parent->type == XML_ELEMENT_NODE) {
+#ifdef DEBUG_SAX_TREE
+	    xmlGenericError(xmlGenericErrorContext,
+		    "adding child %s to %s\n", name, parent->name);
+#endif
+	    xmlAddChild(parent, ret);
+	} else {
+#ifdef DEBUG_SAX_TREE
+	    xmlGenericError(xmlGenericErrorContext,
+		    "adding sibling %s to ", name);
+	    xmlDebugDumpOneNode(stderr, parent, 0);
+#endif
+	    xmlAddSibling(parent, ret);
+	}
+    }
+
+    /*
+     * Insert all the defaulted attributes from the DTD especially namespaces
+     */
+    if ((!ctxt->html) &&
+	((ctxt->myDoc->intSubset != NULL) ||
+	 (ctxt->myDoc->extSubset != NULL))) {
+	xmlCheckDefaultedAttributes(ctxt, name, prefix, atts);
+    }
+
+    /*
+     * process all the attributes whose name start with "xmlns"
+     */
+    if (atts != NULL) {
+        i = 0;
+	att = atts[i++];
+	value = atts[i++];
+	if (!ctxt->html) {
+	    while ((att != NULL) && (value != NULL)) {
+		if ((att[0] == 'x') && (att[1] == 'm') && (att[2] == 'l') &&
+		    (att[3] == 'n') && (att[4] == 's'))
+		    xmlSAX2AttributeInternal(ctxt, att, value, prefix);
+
+		att = atts[i++];
+		value = atts[i++];
+	    }
+	}
+    }
+
+    /*
+     * Search the namespace, note that since the attributes have been
+     * processed, the local namespaces are available.
+     */
+    ns = xmlSearchNs(ctxt->myDoc, ret, prefix);
+    if ((ns == NULL) && (parent != NULL))
+	ns = xmlSearchNs(ctxt->myDoc, parent, prefix);
+    if ((prefix != NULL) && (ns == NULL)) {
+	ns = xmlNewNs(ret, NULL, prefix);
+	xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
+		     "Namespace prefix %s is not defined\n",
+		     prefix, NULL);
+    }
+
+    /*
+     * set the namespace node, making sure that if the default namspace
+     * is unbound on a parent we simply kee it NULL
+     */
+    if ((ns != NULL) && (ns->href != NULL) &&
+	((ns->href[0] != 0) || (ns->prefix != NULL)))
+	xmlSetNs(ret, ns);
+
+    /*
+     * process all the other attributes
+     */
+    if (atts != NULL) {
+        i = 0;
+	att = atts[i++];
+	value = atts[i++];
+	if (ctxt->html) {
+	    while (att != NULL) {
+		xmlSAX2AttributeInternal(ctxt, att, value, NULL);
+		att = atts[i++];
+		value = atts[i++];
+	    }
+	} else {
+	    while ((att != NULL) && (value != NULL)) {
+		if ((att[0] != 'x') || (att[1] != 'm') || (att[2] != 'l') ||
+		    (att[3] != 'n') || (att[4] != 's'))
+		    xmlSAX2AttributeInternal(ctxt, att, value, NULL);
+
+		/*
+		 * Next ones
+		 */
+		att = atts[i++];
+		value = atts[i++];
+	    }
+	}
+    }
+
+#ifdef LIBXML_VALID_ENABLED
+    /*
+     * If it's the Document root, finish the DTD validation and
+     * check the document root element for validity
+     */
+    if ((ctxt->validate) && (ctxt->vctxt.finishDtd == XML_CTXT_FINISH_DTD_0)) {
+	int chk;
+
+	chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc);
+	if (chk <= 0)
+	    ctxt->valid = 0;
+	if (chk < 0)
+	    ctxt->wellFormed = 0;
+	ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
+	ctxt->vctxt.finishDtd = XML_CTXT_FINISH_DTD_1;
+    }
+#endif /* LIBXML_VALID_ENABLED */
+
+    if (prefix != NULL)
+	xmlFree(prefix);
+
+}
+
+/**
+ * xmlSAX2EndElement:
+ * @ctx: the user data (XML parser context)
+ * @name:  The element name
+ *
+ * called when the end of an element has been detected.
+ */
+void
+xmlSAX2EndElement(void *ctx, const xmlChar *name ATTRIBUTE_UNUSED)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr cur;
+
+    if (ctx == NULL) return;
+    cur = ctxt->node;
+#ifdef DEBUG_SAX
+    if (name == NULL)
+        xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2EndElement(NULL)\n");
+    else
+	xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2EndElement(%s)\n", name);
+#endif
+
+    /* Capture end position and add node */
+    if (cur != NULL && ctxt->record_info) {
+      ctxt->nodeInfo->end_pos = ctxt->input->cur - ctxt->input->base;
+      ctxt->nodeInfo->end_line = ctxt->input->line;
+      ctxt->nodeInfo->node = cur;
+      xmlParserAddNodeInfo(ctxt, ctxt->nodeInfo);
+    }
+    ctxt->nodemem = -1;
+
+#ifdef LIBXML_VALID_ENABLED
+    if (ctxt->validate && ctxt->wellFormed &&
+        ctxt->myDoc && ctxt->myDoc->intSubset)
+        ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc,
+					     cur);
+#endif /* LIBXML_VALID_ENABLED */
+
+
+    /*
+     * end of parsing of this node.
+     */
+#ifdef DEBUG_SAX_TREE
+    xmlGenericError(xmlGenericErrorContext, "popping(%s)\n", cur->name);
+#endif
+    nodePop(ctxt);
+}
+#endif /* LIBXML_SAX1_ENABLED || LIBXML_HTML_ENABLED || LIBXML_LEGACY_ENABLED */
+
+/*
+ * xmlSAX2TextNode:
+ * @ctxt:  the parser context
+ * @str:  the input string
+ * @len: the string length
+ *
+ * Callback for a text node
+ *
+ * Returns the newly allocated string or NULL if not needed or error
+ */
+static xmlNodePtr
+xmlSAX2TextNode(xmlParserCtxtPtr ctxt, const xmlChar *str, int len) {
+    xmlNodePtr ret;
+    const xmlChar *intern = NULL;
+
+    /*
+     * Allocate
+     */
+    if (ctxt->freeElems != NULL) {
+	ret = ctxt->freeElems;
+	ctxt->freeElems = ret->next;
+	ctxt->freeElemsNr--;
+    } else {
+	ret = (xmlNodePtr) xmlMalloc(sizeof(xmlNode));
+    }
+    if (ret == NULL) {
+        xmlErrMemory(ctxt, "xmlSAX2Characters");
+	return(NULL);
+    }
+    memset(ret, 0, sizeof(xmlNode));
+    /*
+     * intern the formatting blanks found between tags, or the
+     * very short strings
+     */
+    if (ctxt->dictNames) {
+        xmlChar cur = str[len];
+
+	if ((len < (int) (2 * sizeof(void *))) &&
+	    (ctxt->options & XML_PARSE_COMPACT)) {
+	    /* store the string in the node overriding properties and nsDef */
+	    xmlChar *tmp = (xmlChar *) &(ret->properties);
+	    memcpy(tmp, str, len);
+	    tmp[len] = 0;
+	    intern = tmp;
+	} else if ((len <= 3) && ((cur == '"') || (cur == '\'') ||
+	    ((cur == '<') && (str[len + 1] != '!')))) {
+	    intern = xmlDictLookup(ctxt->dict, str, len);
+	} else if (IS_BLANK_CH(*str) && (len < 60) && (cur == '<') &&
+	           (str[len + 1] != '!')) {
+	    int i;
+
+	    for (i = 1;i < len;i++) {
+		if (!IS_BLANK_CH(str[i])) goto skip;
+	    }
+	    intern = xmlDictLookup(ctxt->dict, str, len);
+	}
+    }
+skip:
+    ret->type = XML_TEXT_NODE;
+
+    ret->name = xmlStringText;
+    if (intern == NULL) {
+	ret->content = xmlStrndup(str, len);
+	if (ret->content == NULL) {
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2TextNode");
+	    xmlFree(ret);
+	    return(NULL);
+	}
+    } else
+	ret->content = (xmlChar *) intern;
+
+    if (ctxt->linenumbers) {
+	if (ctxt->input != NULL) {
+	    if (ctxt->input->line < 65535)
+		ret->line = (short) ctxt->input->line;
+	    else {
+	        ret->line = 65535;
+		if (ctxt->options & XML_PARSE_BIG_LINES)
+		    ret->psvi = (void *) (long) ctxt->input->line;
+	    }
+	}
+    }
+
+    if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
+	xmlRegisterNodeDefaultValue(ret);
+    return(ret);
+}
+
+#ifdef LIBXML_VALID_ENABLED
+/*
+ * xmlSAX2DecodeAttrEntities:
+ * @ctxt:  the parser context
+ * @str:  the input string
+ * @len: the string length
+ *
+ * Remove the entities from an attribute value
+ *
+ * Returns the newly allocated string or NULL if not needed or error
+ */
+static xmlChar *
+xmlSAX2DecodeAttrEntities(xmlParserCtxtPtr ctxt, const xmlChar *str,
+                          const xmlChar *end) {
+    const xmlChar *in;
+    xmlChar *ret;
+
+    in = str;
+    while (in < end)
+        if (*in++ == '&')
+	    goto decode;
+    return(NULL);
+decode:
+    ctxt->depth++;
+    ret = xmlStringLenDecodeEntities(ctxt, str, end - str,
+				     XML_SUBSTITUTE_REF, 0,0,0);
+    ctxt->depth--;
+    return(ret);
+}
+#endif /* LIBXML_VALID_ENABLED */
+
+/**
+ * xmlSAX2AttributeNs:
+ * @ctx: the user data (XML parser context)
+ * @localname:  the local name of the attribute
+ * @prefix:  the attribute namespace prefix if available
+ * @URI:  the attribute namespace name if available
+ * @value:  Start of the attribute value
+ * @valueend: end of the attribute value
+ *
+ * Handle an attribute that has been read by the parser.
+ * The default handling is to convert the attribute into an
+ * DOM subtree and past it in a new xmlAttr element added to
+ * the element.
+ */
+static void
+xmlSAX2AttributeNs(xmlParserCtxtPtr ctxt,
+                   const xmlChar * localname,
+                   const xmlChar * prefix,
+		   const xmlChar * value,
+		   const xmlChar * valueend)
+{
+    xmlAttrPtr ret;
+    xmlNsPtr namespace = NULL;
+    xmlChar *dup = NULL;
+
+    /*
+     * Note: if prefix == NULL, the attribute is not in the default namespace
+     */
+    if (prefix != NULL)
+	namespace = xmlSearchNs(ctxt->myDoc, ctxt->node, prefix);
+
+    /*
+     * allocate the node
+     */
+    if (ctxt->freeAttrs != NULL) {
+        ret = ctxt->freeAttrs;
+	ctxt->freeAttrs = ret->next;
+	ctxt->freeAttrsNr--;
+	memset(ret, 0, sizeof(xmlAttr));
+	ret->type = XML_ATTRIBUTE_NODE;
+
+	ret->parent = ctxt->node;
+	ret->doc = ctxt->myDoc;
+	ret->ns = namespace;
+
+	if (ctxt->dictNames)
+	    ret->name = localname;
+	else
+	    ret->name = xmlStrdup(localname);
+
+        /* link at the end to preserv order, TODO speed up with a last */
+	if (ctxt->node->properties == NULL) {
+	    ctxt->node->properties = ret;
+	} else {
+	    xmlAttrPtr prev = ctxt->node->properties;
+
+	    while (prev->next != NULL) prev = prev->next;
+	    prev->next = ret;
+	    ret->prev = prev;
+	}
+
+	if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
+	    xmlRegisterNodeDefaultValue((xmlNodePtr)ret);
+    } else {
+	if (ctxt->dictNames)
+	    ret = xmlNewNsPropEatName(ctxt->node, namespace,
+	                              (xmlChar *) localname, NULL);
+	else
+	    ret = xmlNewNsProp(ctxt->node, namespace, localname, NULL);
+	if (ret == NULL) {
+	    xmlErrMemory(ctxt, "xmlSAX2AttributeNs");
+	    return;
+	}
+    }
+
+    if ((ctxt->replaceEntities == 0) && (!ctxt->html)) {
+	xmlNodePtr tmp;
+
+	/*
+	 * We know that if there is an entity reference, then
+	 * the string has been dup'ed and terminates with 0
+	 * otherwise with ' or "
+	 */
+	if (*valueend != 0) {
+	    tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
+	    ret->children = tmp;
+	    ret->last = tmp;
+	    if (tmp != NULL) {
+		tmp->doc = ret->doc;
+		tmp->parent = (xmlNodePtr) ret;
+	    }
+	} else {
+	    ret->children = xmlStringLenGetNodeList(ctxt->myDoc, value,
+						    valueend - value);
+	    tmp = ret->children;
+	    while (tmp != NULL) {
+	        tmp->doc = ret->doc;
+		tmp->parent = (xmlNodePtr) ret;
+		if (tmp->next == NULL)
+		    ret->last = tmp;
+		tmp = tmp->next;
+	    }
+	}
+    } else if (value != NULL) {
+	xmlNodePtr tmp;
+
+	tmp = xmlSAX2TextNode(ctxt, value, valueend - value);
+	ret->children = tmp;
+	ret->last = tmp;
+	if (tmp != NULL) {
+	    tmp->doc = ret->doc;
+	    tmp->parent = (xmlNodePtr) ret;
+	}
+    }
+
+#ifdef LIBXML_VALID_ENABLED
+    if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
+        ctxt->myDoc && ctxt->myDoc->intSubset) {
+	/*
+	 * If we don't substitute entities, the validation should be
+	 * done on a value with replaced entities anyway.
+	 */
+        if (!ctxt->replaceEntities) {
+	    dup = xmlSAX2DecodeAttrEntities(ctxt, value, valueend);
+	    if (dup == NULL) {
+	        if (*valueend == 0) {
+		    ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
+				    ctxt->myDoc, ctxt->node, ret, value);
+		} else {
+		    /*
+		     * That should already be normalized.
+		     * cheaper to finally allocate here than duplicate
+		     * entry points in the full validation code
+		     */
+		    dup = xmlStrndup(value, valueend - value);
+
+		    ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
+				    ctxt->myDoc, ctxt->node, ret, dup);
+		}
+	    } else {
+	        /*
+		 * dup now contains a string of the flattened attribute
+		 * content with entities substitued. Check if we need to
+		 * apply an extra layer of normalization.
+		 * It need to be done twice ... it's an extra burden related
+		 * to the ability to keep references in attributes
+		 */
+		if (ctxt->attsSpecial != NULL) {
+		    xmlChar *nvalnorm;
+		    xmlChar fn[50];
+		    xmlChar *fullname;
+
+		    fullname = xmlBuildQName(localname, prefix, fn, 50);
+		    if (fullname != NULL) {
+			ctxt->vctxt.valid = 1;
+		        nvalnorm = xmlValidCtxtNormalizeAttributeValue(
+			                 &ctxt->vctxt, ctxt->myDoc,
+					 ctxt->node, fullname, dup);
+			if (ctxt->vctxt.valid != 1)
+			    ctxt->valid = 0;
+
+			if ((fullname != fn) && (fullname != localname))
+			    xmlFree(fullname);
+			if (nvalnorm != NULL) {
+			    xmlFree(dup);
+			    dup = nvalnorm;
+			}
+		    }
+		}
+
+		ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
+			        ctxt->myDoc, ctxt->node, ret, dup);
+	    }
+	} else {
+	    /*
+	     * if entities already have been substitued, then
+	     * the attribute as passed is already normalized
+	     */
+	    dup = xmlStrndup(value, valueend - value);
+
+	    ctxt->valid &= xmlValidateOneAttribute(&ctxt->vctxt,
+	                             ctxt->myDoc, ctxt->node, ret, dup);
+	}
+    } else
+#endif /* LIBXML_VALID_ENABLED */
+           if (((ctxt->loadsubset & XML_SKIP_IDS) == 0) &&
+	       (((ctxt->replaceEntities == 0) && (ctxt->external != 2)) ||
+	        ((ctxt->replaceEntities != 0) && (ctxt->inSubset == 0)))) {
+        /*
+	 * when validating, the ID registration is done at the attribute
+	 * validation level. Otherwise we have to do specific handling here.
+	 */
+        if ((prefix == ctxt->str_xml) &&
+	           (localname[0] == 'i') && (localname[1] == 'd') &&
+		   (localname[2] == 0)) {
+	    /*
+	     * Add the xml:id value
+	     *
+	     * Open issue: normalization of the value.
+	     */
+	    if (dup == NULL)
+	        dup = xmlStrndup(value, valueend - value);
+#if defined(LIBXML_SAX1_ENABLED) || defined(LIBXML_HTML_ENABLED) || defined(LIBXML_WRITER_ENABLED) || defined(LIBXML_DOCB_ENABLED) || defined(LIBXML_LEGACY_ENABLED)
+#ifdef LIBXML_VALID_ENABLED
+	    if (xmlValidateNCName(dup, 1) != 0) {
+	        xmlErrValid(ctxt, XML_DTD_XMLID_VALUE,
+		      "xml:id : attribute value %s is not an NCName\n",
+			    (const char *) dup, NULL);
+	    }
+#endif
+#endif
+	    xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
+	} else if (xmlIsID(ctxt->myDoc, ctxt->node, ret)) {
+	    /* might be worth duplicate entry points and not copy */
+	    if (dup == NULL)
+	        dup = xmlStrndup(value, valueend - value);
+	    xmlAddID(&ctxt->vctxt, ctxt->myDoc, dup, ret);
+	} else if (xmlIsRef(ctxt->myDoc, ctxt->node, ret)) {
+	    if (dup == NULL)
+	        dup = xmlStrndup(value, valueend - value);
+	    xmlAddRef(&ctxt->vctxt, ctxt->myDoc, dup, ret);
+	}
+    }
+    if (dup != NULL)
+	xmlFree(dup);
+}
+
+/**
+ * xmlSAX2StartElementNs:
+ * @ctx:  the user data (XML parser context)
+ * @localname:  the local name of the element
+ * @prefix:  the element namespace prefix if available
+ * @URI:  the element namespace name if available
+ * @nb_namespaces:  number of namespace definitions on that node
+ * @namespaces:  pointer to the array of prefix/URI pairs namespace definitions
+ * @nb_attributes:  the number of attributes on that node
+ * @nb_defaulted:  the number of defaulted attributes.
+ * @attributes:  pointer to the array of (localname/prefix/URI/value/end)
+ *               attribute values.
+ *
+ * SAX2 callback when an element start has been detected by the parser.
+ * It provides the namespace informations for the element, as well as
+ * the new namespace declarations on the element.
+ */
+void
+xmlSAX2StartElementNs(void *ctx,
+                      const xmlChar *localname,
+		      const xmlChar *prefix,
+		      const xmlChar *URI,
+		      int nb_namespaces,
+		      const xmlChar **namespaces,
+		      int nb_attributes,
+		      int nb_defaulted,
+		      const xmlChar **attributes)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr ret;
+    xmlNodePtr parent;
+    xmlNsPtr last = NULL, ns;
+    const xmlChar *uri, *pref;
+    xmlChar *lname = NULL;
+    int i, j;
+
+    if (ctx == NULL) return;
+    parent = ctxt->node;
+    /*
+     * First check on validity:
+     */
+    if (ctxt->validate && (ctxt->myDoc->extSubset == NULL) &&
+        ((ctxt->myDoc->intSubset == NULL) ||
+	 ((ctxt->myDoc->intSubset->notations == NULL) &&
+	  (ctxt->myDoc->intSubset->elements == NULL) &&
+	  (ctxt->myDoc->intSubset->attributes == NULL) &&
+	  (ctxt->myDoc->intSubset->entities == NULL)))) {
+	xmlErrValid(ctxt, XML_DTD_NO_DTD,
+	  "Validation failed: no DTD found !", NULL, NULL);
+	ctxt->validate = 0;
+    }
+
+    /*
+     * Take care of the rare case of an undefined namespace prefix
+     */
+    if ((prefix != NULL) && (URI == NULL)) {
+        if (ctxt->dictNames) {
+	    const xmlChar *fullname;
+
+	    fullname = xmlDictQLookup(ctxt->dict, prefix, localname);
+	    if (fullname != NULL)
+	        localname = fullname;
+	} else {
+	    lname = xmlBuildQName(localname, prefix, NULL, 0);
+	}
+    }
+    /*
+     * allocate the node
+     */
+    if (ctxt->freeElems != NULL) {
+        ret = ctxt->freeElems;
+	ctxt->freeElems = ret->next;
+	ctxt->freeElemsNr--;
+	memset(ret, 0, sizeof(xmlNode));
+	ret->type = XML_ELEMENT_NODE;
+
+	if (ctxt->dictNames)
+	    ret->name = localname;
+	else {
+	    if (lname == NULL)
+		ret->name = xmlStrdup(localname);
+	    else
+	        ret->name = lname;
+	    if (ret->name == NULL) {
+	        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
+		return;
+	    }
+	}
+	if ((__xmlRegisterCallbacks) && (xmlRegisterNodeDefaultValue))
+	    xmlRegisterNodeDefaultValue(ret);
+    } else {
+	if (ctxt->dictNames)
+	    ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL,
+	                               (xmlChar *) localname, NULL);
+	else if (lname == NULL)
+	    ret = xmlNewDocNode(ctxt->myDoc, NULL, localname, NULL);
+	else
+	    ret = xmlNewDocNodeEatName(ctxt->myDoc, NULL,
+	                               (xmlChar *) lname, NULL);
+	if (ret == NULL) {
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
+	    return;
+	}
+    }
+    if (ctxt->linenumbers) {
+	if (ctxt->input != NULL) {
+	    if (ctxt->input->line < 65535)
+		ret->line = (short) ctxt->input->line;
+	    else
+	        ret->line = 65535;
+	}
+    }
+
+    if (parent == NULL) {
+        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
+    }
+    /*
+     * Build the namespace list
+     */
+    for (i = 0,j = 0;j < nb_namespaces;j++) {
+        pref = namespaces[i++];
+	uri = namespaces[i++];
+	ns = xmlNewNs(NULL, uri, pref);
+	if (ns != NULL) {
+	    if (last == NULL) {
+	        ret->nsDef = last = ns;
+	    } else {
+	        last->next = ns;
+		last = ns;
+	    }
+	    if ((URI != NULL) && (prefix == pref))
+		ret->ns = ns;
+	} else {
+            /*
+             * any out of memory error would already have been raised
+             * but we can't be garanteed it's the actual error due to the
+             * API, best is to skip in this case
+             */
+	    continue;
+	}
+#ifdef LIBXML_VALID_ENABLED
+	if ((!ctxt->html) && ctxt->validate && ctxt->wellFormed &&
+	    ctxt->myDoc && ctxt->myDoc->intSubset) {
+	    ctxt->valid &= xmlValidateOneNamespace(&ctxt->vctxt, ctxt->myDoc,
+	                                           ret, prefix, ns, uri);
+	}
+#endif /* LIBXML_VALID_ENABLED */
+    }
+    ctxt->nodemem = -1;
+
+    /*
+     * We are parsing a new node.
+     */
+    nodePush(ctxt, ret);
+
+    /*
+     * Link the child element
+     */
+    if (parent != NULL) {
+        if (parent->type == XML_ELEMENT_NODE) {
+	    xmlAddChild(parent, ret);
+	} else {
+	    xmlAddSibling(parent, ret);
+	}
+    }
+
+    /*
+     * Insert the defaulted attributes from the DTD only if requested:
+     */
+    if ((nb_defaulted != 0) &&
+        ((ctxt->loadsubset & XML_COMPLETE_ATTRS) == 0))
+	nb_attributes -= nb_defaulted;
+
+    /*
+     * Search the namespace if it wasn't already found
+     * Note that, if prefix is NULL, this searches for the default Ns
+     */
+    if ((URI != NULL) && (ret->ns == NULL)) {
+        ret->ns = xmlSearchNs(ctxt->myDoc, parent, prefix);
+	if ((ret->ns == NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
+	    ret->ns = xmlSearchNs(ctxt->myDoc, ret, prefix);
+	}
+	if (ret->ns == NULL) {
+	    ns = xmlNewNs(ret, NULL, prefix);
+	    if (ns == NULL) {
+
+	        xmlSAX2ErrMemory(ctxt, "xmlSAX2StartElementNs");
+		return;
+	    }
+            if (prefix != NULL)
+                xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
+                             "Namespace prefix %s was not found\n",
+                             prefix, NULL);
+            else
+                xmlNsWarnMsg(ctxt, XML_NS_ERR_UNDEFINED_NAMESPACE,
+                             "Namespace default prefix was not found\n",
+                             NULL, NULL);
+	}
+    }
+
+    /*
+     * process all the other attributes
+     */
+    if (nb_attributes > 0) {
+        for (j = 0,i = 0;i < nb_attributes;i++,j+=5) {
+	    /*
+	     * Handle the rare case of an undefined atribute prefix
+	     */
+	    if ((attributes[j+1] != NULL) && (attributes[j+2] == NULL)) {
+		if (ctxt->dictNames) {
+		    const xmlChar *fullname;
+
+		    fullname = xmlDictQLookup(ctxt->dict, attributes[j+1],
+		                              attributes[j]);
+		    if (fullname != NULL) {
+			xmlSAX2AttributeNs(ctxt, fullname, NULL,
+			                   attributes[j+3], attributes[j+4]);
+		        continue;
+		    }
+		} else {
+		    lname = xmlBuildQName(attributes[j], attributes[j+1],
+		                          NULL, 0);
+		    if (lname != NULL) {
+			xmlSAX2AttributeNs(ctxt, lname, NULL,
+			                   attributes[j+3], attributes[j+4]);
+			xmlFree(lname);
+		        continue;
+		    }
+		}
+	    }
+	    xmlSAX2AttributeNs(ctxt, attributes[j], attributes[j+1],
+			       attributes[j+3], attributes[j+4]);
+	}
+    }
+
+#ifdef LIBXML_VALID_ENABLED
+    /*
+     * If it's the Document root, finish the DTD validation and
+     * check the document root element for validity
+     */
+    if ((ctxt->validate) && (ctxt->vctxt.finishDtd == XML_CTXT_FINISH_DTD_0)) {
+	int chk;
+
+	chk = xmlValidateDtdFinal(&ctxt->vctxt, ctxt->myDoc);
+	if (chk <= 0)
+	    ctxt->valid = 0;
+	if (chk < 0)
+	    ctxt->wellFormed = 0;
+	ctxt->valid &= xmlValidateRoot(&ctxt->vctxt, ctxt->myDoc);
+	ctxt->vctxt.finishDtd = XML_CTXT_FINISH_DTD_1;
+    }
+#endif /* LIBXML_VALID_ENABLED */
+}
+
+/**
+ * xmlSAX2EndElementNs:
+ * @ctx:  the user data (XML parser context)
+ * @localname:  the local name of the element
+ * @prefix:  the element namespace prefix if available
+ * @URI:  the element namespace name if available
+ *
+ * SAX2 callback when an element end has been detected by the parser.
+ * It provides the namespace informations for the element.
+ */
+void
+xmlSAX2EndElementNs(void *ctx,
+                    const xmlChar * localname ATTRIBUTE_UNUSED,
+                    const xmlChar * prefix ATTRIBUTE_UNUSED,
+		    const xmlChar * URI ATTRIBUTE_UNUSED)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlParserNodeInfo node_info;
+    xmlNodePtr cur;
+
+    if (ctx == NULL) return;
+    cur = ctxt->node;
+    /* Capture end position and add node */
+    if ((ctxt->record_info) && (cur != NULL)) {
+        node_info.end_pos = ctxt->input->cur - ctxt->input->base;
+        node_info.end_line = ctxt->input->line;
+        node_info.node = cur;
+        xmlParserAddNodeInfo(ctxt, &node_info);
+    }
+    ctxt->nodemem = -1;
+
+#ifdef LIBXML_VALID_ENABLED
+    if (ctxt->validate && ctxt->wellFormed &&
+        ctxt->myDoc && ctxt->myDoc->intSubset)
+        ctxt->valid &= xmlValidateOneElement(&ctxt->vctxt, ctxt->myDoc, cur);
+#endif /* LIBXML_VALID_ENABLED */
+
+    /*
+     * end of parsing of this node.
+     */
+    nodePop(ctxt);
+}
+
+/**
+ * xmlSAX2Reference:
+ * @ctx: the user data (XML parser context)
+ * @name:  The entity name
+ *
+ * called when an entity xmlSAX2Reference is detected.
+ */
+void
+xmlSAX2Reference(void *ctx, const xmlChar *name)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr ret;
+
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2Reference(%s)\n", name);
+#endif
+    if (name[0] == '#')
+	ret = xmlNewCharRef(ctxt->myDoc, name);
+    else
+	ret = xmlNewReference(ctxt->myDoc, name);
+#ifdef DEBUG_SAX_TREE
+    xmlGenericError(xmlGenericErrorContext,
+	    "add xmlSAX2Reference %s to %s \n", name, ctxt->node->name);
+#endif
+    if (xmlAddChild(ctxt->node, ret) == NULL) {
+        xmlFreeNode(ret);
+    }
+}
+
+/**
+ * xmlSAX2Characters:
+ * @ctx: the user data (XML parser context)
+ * @ch:  a xmlChar string
+ * @len: the number of xmlChar
+ *
+ * receiving some chars from the parser.
+ */
+void
+xmlSAX2Characters(void *ctx, const xmlChar *ch, int len)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr lastChild;
+
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2Characters(%.30s, %d)\n", ch, len);
+#endif
+    /*
+     * Handle the data if any. If there is no child
+     * add it as content, otherwise if the last child is text,
+     * concatenate it, else create a new node of type text.
+     */
+
+    if (ctxt->node == NULL) {
+#ifdef DEBUG_SAX_TREE
+	xmlGenericError(xmlGenericErrorContext,
+		"add chars: ctxt->node == NULL !\n");
+#endif
+        return;
+    }
+    lastChild = ctxt->node->last;
+#ifdef DEBUG_SAX_TREE
+    xmlGenericError(xmlGenericErrorContext,
+	    "add chars to %s \n", ctxt->node->name);
+#endif
+
+    /*
+     * Here we needed an accelerator mechanism in case of very large
+     * elements. Use an attribute in the structure !!!
+     */
+    if (lastChild == NULL) {
+        lastChild = xmlSAX2TextNode(ctxt, ch, len);
+	if (lastChild != NULL) {
+	    ctxt->node->children = lastChild;
+	    ctxt->node->last = lastChild;
+	    lastChild->parent = ctxt->node;
+	    lastChild->doc = ctxt->node->doc;
+	    ctxt->nodelen = len;
+	    ctxt->nodemem = len + 1;
+	} else {
+	    xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
+	    return;
+	}
+    } else {
+	int coalesceText = (lastChild != NULL) &&
+	    (lastChild->type == XML_TEXT_NODE) &&
+	    (lastChild->name == xmlStringText);
+	if ((coalesceText) && (ctxt->nodemem != 0)) {
+	    /*
+	     * The whole point of maintaining nodelen and nodemem,
+	     * xmlTextConcat is too costly, i.e. compute length,
+	     * reallocate a new buffer, move data, append ch. Here
+	     * We try to minimaze realloc() uses and avoid copying
+	     * and recomputing length over and over.
+	     */
+	    if (lastChild->content == (xmlChar *)&(lastChild->properties)) {
+		lastChild->content = xmlStrdup(lastChild->content);
+		lastChild->properties = NULL;
+	    } else if ((ctxt->nodemem == ctxt->nodelen + 1) &&
+	               (xmlDictOwns(ctxt->dict, lastChild->content))) {
+		lastChild->content = xmlStrdup(lastChild->content);
+	    }
+	    if (lastChild->content == NULL) {
+		xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters: xmlStrdup returned NULL");
+		return;
+ 	    }
+            if (((size_t)ctxt->nodelen + (size_t)len > XML_MAX_TEXT_LENGTH) &&
+                ((ctxt->options & XML_PARSE_HUGE) == 0)) {
+                xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters: huge text node");
+                return;
+            }
+	    if ((size_t)ctxt->nodelen > SIZE_T_MAX - (size_t)len ||
+	        (size_t)ctxt->nodemem + (size_t)len > SIZE_T_MAX / 2) {
+                xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters overflow prevented");
+                return;
+	    }
+	    if (ctxt->nodelen + len >= ctxt->nodemem) {
+		xmlChar *newbuf;
+		size_t size;
+
+		size = ctxt->nodemem + len;
+		size *= 2;
+                newbuf = (xmlChar *) xmlRealloc(lastChild->content,size);
+		if (newbuf == NULL) {
+		    xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
+		    return;
+		}
+		ctxt->nodemem = size;
+		lastChild->content = newbuf;
+	    }
+	    memcpy(&lastChild->content[ctxt->nodelen], ch, len);
+	    ctxt->nodelen += len;
+	    lastChild->content[ctxt->nodelen] = 0;
+	} else if (coalesceText) {
+	    if (xmlTextConcat(lastChild, ch, len)) {
+		xmlSAX2ErrMemory(ctxt, "xmlSAX2Characters");
+	    }
+	    if (ctxt->node->children != NULL) {
+		ctxt->nodelen = xmlStrlen(lastChild->content);
+		ctxt->nodemem = ctxt->nodelen + 1;
+	    }
+	} else {
+	    /* Mixed content, first time */
+	    lastChild = xmlSAX2TextNode(ctxt, ch, len);
+	    if (lastChild != NULL) {
+		xmlAddChild(ctxt->node, lastChild);
+		if (ctxt->node->children != NULL) {
+		    ctxt->nodelen = len;
+		    ctxt->nodemem = len + 1;
+		}
+	    }
+	}
+    }
+}
+
+/**
+ * xmlSAX2IgnorableWhitespace:
+ * @ctx: the user data (XML parser context)
+ * @ch:  a xmlChar string
+ * @len: the number of xmlChar
+ *
+ * receiving some ignorable whitespaces from the parser.
+ * UNUSED: by default the DOM building will use xmlSAX2Characters
+ */
+void
+xmlSAX2IgnorableWhitespace(void *ctx ATTRIBUTE_UNUSED, const xmlChar *ch ATTRIBUTE_UNUSED, int len ATTRIBUTE_UNUSED)
+{
+    /* xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; */
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2IgnorableWhitespace(%.30s, %d)\n", ch, len);
+#endif
+}
+
+/**
+ * xmlSAX2ProcessingInstruction:
+ * @ctx: the user data (XML parser context)
+ * @target:  the target name
+ * @data: the PI data's
+ *
+ * A processing instruction has been parsed.
+ */
+void
+xmlSAX2ProcessingInstruction(void *ctx, const xmlChar *target,
+                      const xmlChar *data)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr ret;
+    xmlNodePtr parent;
+
+    if (ctx == NULL) return;
+    parent = ctxt->node;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.xmlSAX2ProcessingInstruction(%s, %s)\n", target, data);
+#endif
+
+    ret = xmlNewDocPI(ctxt->myDoc, target, data);
+    if (ret == NULL) return;
+
+    if (ctxt->linenumbers) {
+	if (ctxt->input != NULL) {
+	    if (ctxt->input->line < 65535)
+		ret->line = (short) ctxt->input->line;
+	    else
+	        ret->line = 65535;
+	}
+    }
+    if (ctxt->inSubset == 1) {
+	xmlAddChild((xmlNodePtr) ctxt->myDoc->intSubset, ret);
+	return;
+    } else if (ctxt->inSubset == 2) {
+	xmlAddChild((xmlNodePtr) ctxt->myDoc->extSubset, ret);
+	return;
+    }
+    if (parent == NULL) {
+#ifdef DEBUG_SAX_TREE
+	    xmlGenericError(xmlGenericErrorContext,
+		    "Setting PI %s as root\n", target);
+#endif
+        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
+	return;
+    }
+    if (parent->type == XML_ELEMENT_NODE) {
+#ifdef DEBUG_SAX_TREE
+	xmlGenericError(xmlGenericErrorContext,
+		"adding PI %s child to %s\n", target, parent->name);
+#endif
+	xmlAddChild(parent, ret);
+    } else {
+#ifdef DEBUG_SAX_TREE
+	xmlGenericError(xmlGenericErrorContext,
+		"adding PI %s sibling to ", target);
+	xmlDebugDumpOneNode(stderr, parent, 0);
+#endif
+	xmlAddSibling(parent, ret);
+    }
+}
+
+/**
+ * xmlSAX2Comment:
+ * @ctx: the user data (XML parser context)
+ * @value:  the xmlSAX2Comment content
+ *
+ * A xmlSAX2Comment has been parsed.
+ */
+void
+xmlSAX2Comment(void *ctx, const xmlChar *value)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr ret;
+    xmlNodePtr parent;
+
+    if (ctx == NULL) return;
+    parent = ctxt->node;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext, "SAX.xmlSAX2Comment(%s)\n", value);
+#endif
+    ret = xmlNewDocComment(ctxt->myDoc, value);
+    if (ret == NULL) return;
+    if (ctxt->linenumbers) {
+	if (ctxt->input != NULL) {
+	    if (ctxt->input->line < 65535)
+		ret->line = (short) ctxt->input->line;
+	    else
+	        ret->line = 65535;
+	}
+    }
+
+    if (ctxt->inSubset == 1) {
+	xmlAddChild((xmlNodePtr) ctxt->myDoc->intSubset, ret);
+	return;
+    } else if (ctxt->inSubset == 2) {
+	xmlAddChild((xmlNodePtr) ctxt->myDoc->extSubset, ret);
+	return;
+    }
+    if (parent == NULL) {
+#ifdef DEBUG_SAX_TREE
+	    xmlGenericError(xmlGenericErrorContext,
+		    "Setting xmlSAX2Comment as root\n");
+#endif
+        xmlAddChild((xmlNodePtr) ctxt->myDoc, (xmlNodePtr) ret);
+	return;
+    }
+    if (parent->type == XML_ELEMENT_NODE) {
+#ifdef DEBUG_SAX_TREE
+	xmlGenericError(xmlGenericErrorContext,
+		"adding xmlSAX2Comment child to %s\n", parent->name);
+#endif
+	xmlAddChild(parent, ret);
+    } else {
+#ifdef DEBUG_SAX_TREE
+	xmlGenericError(xmlGenericErrorContext,
+		"adding xmlSAX2Comment sibling to ");
+	xmlDebugDumpOneNode(stderr, parent, 0);
+#endif
+	xmlAddSibling(parent, ret);
+    }
+}
+
+/**
+ * xmlSAX2CDataBlock:
+ * @ctx: the user data (XML parser context)
+ * @value:  The pcdata content
+ * @len:  the block length
+ *
+ * called when a pcdata block has been parsed
+ */
+void
+xmlSAX2CDataBlock(void *ctx, const xmlChar *value, int len)
+{
+    xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx;
+    xmlNodePtr ret, lastChild;
+
+    if (ctx == NULL) return;
+#ifdef DEBUG_SAX
+    xmlGenericError(xmlGenericErrorContext,
+	    "SAX.pcdata(%.10s, %d)\n", value, len);
+#endif
+    lastChild = xmlGetLastChild(ctxt->node);
+#ifdef DEBUG_SAX_TREE
+    xmlGenericError(xmlGenericErrorContext,
+	    "add chars to %s \n", ctxt->node->name);
+#endif
+    if ((lastChild != NULL) &&
+        (lastChild->type == XML_CDATA_SECTION_NODE)) {
+	xmlTextConcat(lastChild, value, len);
+    } else {
+	ret = xmlNewCDataBlock(ctxt->myDoc, value, len);
+	xmlAddChild(ctxt->node, ret);
+    }
+}
+
+static int xmlSAX2DefaultVersionValue = 2;
+
+#ifdef LIBXML_SAX1_ENABLED
+/**
+ * xmlSAXDefaultVersion:
+ * @version:  the version, 1 or 2
+ *
+ * Set the default version of SAX used globally by the library.
+ * By default, during initialization the default is set to 2.
+ * Note that it is generally a better coding style to use
+ * xmlSAXVersion() to set up the version explicitly for a given
+ * parsing context.
+ *
+ * Returns the previous value in case of success and -1 in case of error.
+ */
+int
+xmlSAXDefaultVersion(int version)
+{
+    int ret = xmlSAX2DefaultVersionValue;
+
+    if ((version != 1) && (version != 2))
+        return(-1);
+    xmlSAX2DefaultVersionValue = version;
+    return(ret);
+}
+#endif /* LIBXML_SAX1_ENABLED */
+
+/**
+ * xmlSAXVersion:
+ * @hdlr:  the SAX handler
+ * @version:  the version, 1 or 2
+ *
+ * Initialize the default XML SAX handler according to the version
+ *
+ * Returns 0 in case of success and -1 in case of error.
+ */
+int
+xmlSAXVersion(xmlSAXHandler *hdlr, int version)
+{
+    if (hdlr == NULL) return(-1);
+    if (version == 2) {
+	hdlr->startElement = NULL;
+	hdlr->endElement = NULL;
+	hdlr->startElementNs = xmlSAX2StartElementNs;
+	hdlr->endElementNs = xmlSAX2EndElementNs;
+	hdlr->serror = NULL;
+	hdlr->initialized = XML_SAX2_MAGIC;
+#ifdef LIBXML_SAX1_ENABLED
+    } else if (version == 1) {
+	hdlr->startElement = xmlSAX2StartElement;
+	hdlr->endElement = xmlSAX2EndElement;
+	hdlr->initialized = 1;
+#endif /* LIBXML_SAX1_ENABLED */
+    } else
+        return(-1);
+    hdlr->internalSubset = xmlSAX2InternalSubset;
+    hdlr->externalSubset = xmlSAX2ExternalSubset;
+    hdlr->isStandalone = xmlSAX2IsStandalone;
+    hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
+    hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
+    hdlr->resolveEntity = xmlSAX2ResolveEntity;
+    hdlr->getEntity = xmlSAX2GetEntity;
+    hdlr->getParameterEntity = xmlSAX2GetParameterEntity;
+    hdlr->entityDecl = xmlSAX2EntityDecl;
+    hdlr->attributeDecl = xmlSAX2AttributeDecl;
+    hdlr->elementDecl = xmlSAX2ElementDecl;
+    hdlr->notationDecl = xmlSAX2NotationDecl;
+    hdlr->unparsedEntityDecl = xmlSAX2UnparsedEntityDecl;
+    hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
+    hdlr->startDocument = xmlSAX2StartDocument;
+    hdlr->endDocument = xmlSAX2EndDocument;
+    hdlr->reference = xmlSAX2Reference;
+    hdlr->characters = xmlSAX2Characters;
+    hdlr->cdataBlock = xmlSAX2CDataBlock;
+    hdlr->ignorableWhitespace = xmlSAX2Characters;
+    hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
+    hdlr->comment = xmlSAX2Comment;
+    hdlr->warning = xmlParserWarning;
+    hdlr->error = xmlParserError;
+    hdlr->fatalError = xmlParserError;
+
+    return(0);
+}
+
+/**
+ * xmlSAX2InitDefaultSAXHandler:
+ * @hdlr:  the SAX handler
+ * @warning:  flag if non-zero sets the handler warning procedure
+ *
+ * Initialize the default XML SAX2 handler
+ */
+void
+xmlSAX2InitDefaultSAXHandler(xmlSAXHandler *hdlr, int warning)
+{
+    if ((hdlr == NULL) || (hdlr->initialized != 0))
+	return;
+
+    xmlSAXVersion(hdlr, xmlSAX2DefaultVersionValue);
+    if (warning == 0)
+	hdlr->warning = NULL;
+    else
+	hdlr->warning = xmlParserWarning;
+}
+
+/**
+ * xmlDefaultSAXHandlerInit:
+ *
+ * Initialize the default SAX2 handler
+ */
+void
+xmlDefaultSAXHandlerInit(void)
+{
+#ifdef LIBXML_SAX1_ENABLED
+    xmlSAXVersion((xmlSAXHandlerPtr) &xmlDefaultSAXHandler, 1);
+#endif /* LIBXML_SAX1_ENABLED */
+}
+
+#ifdef LIBXML_HTML_ENABLED
+
+/**
+ * xmlSAX2InitHtmlDefaultSAXHandler:
+ * @hdlr:  the SAX handler
+ *
+ * Initialize the default HTML SAX2 handler
+ */
+void
+xmlSAX2InitHtmlDefaultSAXHandler(xmlSAXHandler *hdlr)
+{
+    if ((hdlr == NULL) || (hdlr->initialized != 0))
+	return;
+
+    hdlr->internalSubset = xmlSAX2InternalSubset;
+    hdlr->externalSubset = NULL;
+    hdlr->isStandalone = NULL;
+    hdlr->hasInternalSubset = NULL;
+    hdlr->hasExternalSubset = NULL;
+    hdlr->resolveEntity = NULL;
+    hdlr->getEntity = xmlSAX2GetEntity;
+    hdlr->getParameterEntity = NULL;
+    hdlr->entityDecl = NULL;
+    hdlr->attributeDecl = NULL;
+    hdlr->elementDecl = NULL;
+    hdlr->notationDecl = NULL;
+    hdlr->unparsedEntityDecl = NULL;
+    hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
+    hdlr->startDocument = xmlSAX2StartDocument;
+    hdlr->endDocument = xmlSAX2EndDocument;
+    hdlr->startElement = xmlSAX2StartElement;
+    hdlr->endElement = xmlSAX2EndElement;
+    hdlr->reference = NULL;
+    hdlr->characters = xmlSAX2Characters;
+    hdlr->cdataBlock = xmlSAX2CDataBlock;
+    hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
+    hdlr->processingInstruction = xmlSAX2ProcessingInstruction;
+    hdlr->comment = xmlSAX2Comment;
+    hdlr->warning = xmlParserWarning;
+    hdlr->error = xmlParserError;
+    hdlr->fatalError = xmlParserError;
+
+    hdlr->initialized = 1;
+}
+
+/**
+ * htmlDefaultSAXHandlerInit:
+ *
+ * Initialize the default SAX handler
+ */
+void
+htmlDefaultSAXHandlerInit(void)
+{
+    xmlSAX2InitHtmlDefaultSAXHandler((xmlSAXHandlerPtr) &htmlDefaultSAXHandler);
+}
+
+#endif /* LIBXML_HTML_ENABLED */
+
+#ifdef LIBXML_DOCB_ENABLED
+
+/**
+ * xmlSAX2InitDocbDefaultSAXHandler:
+ * @hdlr:  the SAX handler
+ *
+ * Initialize the default DocBook SAX2 handler
+ */
+void
+xmlSAX2InitDocbDefaultSAXHandler(xmlSAXHandler *hdlr)
+{
+    if ((hdlr == NULL) || (hdlr->initialized != 0))
+	return;
+
+    hdlr->internalSubset = xmlSAX2InternalSubset;
+    hdlr->externalSubset = NULL;
+    hdlr->isStandalone = xmlSAX2IsStandalone;
+    hdlr->hasInternalSubset = xmlSAX2HasInternalSubset;
+    hdlr->hasExternalSubset = xmlSAX2HasExternalSubset;
+    hdlr->resolveEntity = xmlSAX2ResolveEntity;
+    hdlr->getEntity = xmlSAX2GetEntity;
+    hdlr->getParameterEntity = NULL;
+    hdlr->entityDecl = xmlSAX2EntityDecl;
+    hdlr->attributeDecl = NULL;
+    hdlr->elementDecl = NULL;
+    hdlr->notationDecl = NULL;
+    hdlr->unparsedEntityDecl = NULL;
+    hdlr->setDocumentLocator = xmlSAX2SetDocumentLocator;
+    hdlr->startDocument = xmlSAX2StartDocument;
+    hdlr->endDocument = xmlSAX2EndDocument;
+    hdlr->startElement = xmlSAX2StartElement;
+    hdlr->endElement = xmlSAX2EndElement;
+    hdlr->reference = xmlSAX2Reference;
+    hdlr->characters = xmlSAX2Characters;
+    hdlr->cdataBlock = NULL;
+    hdlr->ignorableWhitespace = xmlSAX2IgnorableWhitespace;
+    hdlr->processingInstruction = NULL;
+    hdlr->comment = xmlSAX2Comment;
+    hdlr->warning = xmlParserWarning;
+    hdlr->error = xmlParserError;
+    hdlr->fatalError = xmlParserError;
+
+    hdlr->initialized = 1;
+}
+
+/**
+ * d

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