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Code Editor : compat.c

/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Sterling Hughes <sterling@php.net>                          |
   +----------------------------------------------------------------------+
 */

#include "php.h"
#if defined(HAVE_LIBXML) && (defined(HAVE_XML) || defined(HAVE_XMLRPC)) && !defined(HAVE_LIBEXPAT)
#include "expat_compat.h"

typedef struct _php_xml_ns {
	xmlNsPtr nsptr;
	int ref_count;
	void *next;
	void *prev;
} php_xml_ns;

#ifdef LIBXML_EXPAT_COMPAT

#define IS_NS_DECL(__ns) \
	((__ns) != NULL && strlen(__ns) == 5 && *(__ns) == 'x' && *((__ns)+1) == 'm' && \
	 *((__ns)+2) == 'l' && *((__ns)+3) == 'n' && *((__ns)+4) == 's')

static void
_qualify_namespace(XML_Parser parser, const xmlChar *name, const xmlChar *URI, xmlChar **qualified)
{
	if (URI) {
			/* Use libxml functions otherwise its memory deallocation is screwed up */
			*qualified = xmlStrdup(URI);
			*qualified = xmlStrncat(*qualified, parser->_ns_separator, 1);
			*qualified = xmlStrncat(*qualified, name, xmlStrlen(name));
	} else {
		*qualified = xmlStrdup(name);
	}
}

static void
_start_element_handler(void *user, const xmlChar *name, const xmlChar **attributes)
{
	XML_Parser  parser = (XML_Parser) user;
	xmlChar    *qualified_name = NULL;

if (parser->h_start_element == NULL) {
		if (parser->h_default) {
			int attno = 0;

qualified_name = xmlStrncatNew((xmlChar *)"<", name, xmlStrlen(name));
			if (attributes) {
				while (attributes[attno] != NULL) {
					int att_len;
					char *att_string, *att_name, *att_value;

att_name = (char *)attributes[attno++];
					att_value = (char *)attributes[attno++];

att_len = spprintf(&att_string, 0, " %s=\"%s\"", att_name, att_value);

qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_string, att_len);
					efree(att_string);
				}

}
			qualified_name = xmlStrncat(qualified_name, (xmlChar *)">", 1);
			parser->h_default(parser->user, (const XML_Char *) qualified_name, xmlStrlen(qualified_name));
			xmlFree(qualified_name);
		}
		return;
	}

qualified_name = xmlStrdup(name);

parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attributes);

xmlFree(qualified_name);
}

static void
_start_element_handler_ns(void *user, const xmlChar *name, const xmlChar *prefix, const xmlChar *URI, int nb_namespaces, const xmlChar ** namespaces, int nb_attributes, int nb_defaulted, const xmlChar ** attributes)
{
	XML_Parser  parser = (XML_Parser) user;
	xmlChar    *qualified_name = NULL;
	xmlChar **attrs = NULL;
	int i;
	int z = 0;
	int y = 0;

if (nb_namespaces > 0 && parser->h_start_ns != NULL) {
		for (i = 0; i < nb_namespaces; i += 1) {
			parser->h_start_ns(parser->user, (const XML_Char *) namespaces[y], (const XML_Char *) namespaces[y+1]);
			y += 2;
		}
		y = 0;
	}

if (parser->h_start_element == NULL) {
	 	if (parser->h_default) {

if (prefix) {
				qualified_name = xmlStrncatNew((xmlChar *)"<", prefix, xmlStrlen(prefix));
				qualified_name = xmlStrncat(qualified_name, (xmlChar *)":", 1);
				qualified_name = xmlStrncat(qualified_name, name, xmlStrlen(name));
			} else {
				qualified_name = xmlStrncatNew((xmlChar *)"<", name, xmlStrlen(name));
			}

if (namespaces) {
				int i, j;
				for (i = 0,j = 0;j < nb_namespaces;j++) {
					int ns_len;
					char *ns_string, *ns_prefix, *ns_url;

ns_prefix = (char *) namespaces[i++];
					ns_url = (char *) namespaces[i++];

if (ns_prefix) {
						ns_len = spprintf(&ns_string, 0, " xmlns:%s=\"%s\"", ns_prefix, ns_url);
					} else {
						ns_len = spprintf(&ns_string, 0, " xmlns=\"%s\"", ns_url);
					}
					qualified_name = xmlStrncat(qualified_name, (xmlChar *)ns_string, ns_len);

efree(ns_string);
				}
			}

if (attributes) {
				for (i = 0; i < nb_attributes; i += 1) {
					int att_len;
					char *att_string, *att_name, *att_value, *att_prefix, *att_valueend;

att_name = (char *) attributes[y++];
					att_prefix = (char *)attributes[y++];
					y++;
					att_value = (char *)attributes[y++];
					att_valueend = (char *)attributes[y++];

if (att_prefix) {
						att_len = spprintf(&att_string, 0, " %s:%s=\"", att_prefix, att_name);
					} else {
						att_len = spprintf(&att_string, 0, " %s=\"", att_name);
					}

qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_string, att_len);
					qualified_name = xmlStrncat(qualified_name, (xmlChar *)att_value, att_valueend - att_value);
					qualified_name = xmlStrncat(qualified_name, (xmlChar *)"\"", 1);

efree(att_string);
				}

if (attributes != NULL) {
		xmlChar    *qualified_name_attr = NULL;
		attrs = safe_emalloc((nb_attributes  * 2) + 1, sizeof(int *), 0);

for (i = 0; i < nb_attributes; i += 1) {

if (attributes[y+1] != NULL) {
				_qualify_namespace(parser, attributes[y] , attributes[y + 2], &qualified_name_attr);
			} else {
				qualified_name_attr = xmlStrdup(attributes[y]);
			}
			attrs[z] = qualified_name_attr;
			attrs[z + 1] = xmlStrndup(attributes[y + 3] , (int) (attributes[y + 4] - attributes[y + 3]));
			z += 2;
			y += 5;
		}

attrs[z] = NULL;
	}
	parser->h_start_element(parser->user, (const XML_Char *) qualified_name, (const XML_Char **) attrs);
	if (attrs) {
		for (i = 0; i < z; i++) {
			xmlFree(attrs[i]);
		}
		efree(attrs);
	}
	xmlFree(qualified_name);
}

static void
_end_element_handler(void *user, const xmlChar *name)
{
	xmlChar    *qualified_name;
	XML_Parser  parser = (XML_Parser) user;

if (parser->h_end_element == NULL) {
		if (parser->h_default) {
			char *end_element;

spprintf(&end_element, 0, "</%s>", (char *)name);
			parser->h_default(parser->user, (const XML_Char *) end_element, strlen(end_element));
			efree(end_element);
		}
		return;
	}

qualified_name = xmlStrdup(name);

parser->h_end_element(parser->user, (const XML_Char *) qualified_name);

xmlFree(qualified_name);
}

static void
_end_element_handler_ns(void *user, const xmlChar *name, const xmlChar * prefix, const xmlChar *URI)
{
	xmlChar    *qualified_name;
	XML_Parser  parser = (XML_Parser) user;

if (parser->h_end_element == NULL) {
		if (parser->h_default) {
			char *end_element;
			int end_element_len;

if (prefix) {
				end_element_len = spprintf(&end_element, 0, "</%s:%s>", (char *) prefix, (char *)name);
			} else {
				end_element_len = spprintf(&end_element, 0, "</%s>", (char *)name);
			}
			parser->h_default(parser->user, (const XML_Char *) end_element, end_element_len);
			efree(end_element);
		}
		return;
	}

_qualify_namespace(parser, name, URI,  &qualified_name);

parser->h_end_element(parser->user, (const XML_Char *) qualified_name);

xmlFree(qualified_name);
}

static void
_cdata_handler(void *user, const xmlChar *cdata, int cdata_len)
{
	XML_Parser parser = (XML_Parser) user;

if (parser->h_cdata == NULL) {
		if (parser->h_default) {
			parser->h_default(parser->user, (const XML_Char *) cdata, cdata_len);
		}
		return;
	}

parser->h_cdata(parser->user, (const XML_Char *) cdata, cdata_len);
}

static void
_pi_handler(void *user, const xmlChar *target, const xmlChar *data)
{
	XML_Parser parser = (XML_Parser) user;

if (parser->h_pi == NULL) {
		if (parser->h_default) {
			char    *full_pi;
			spprintf(&full_pi, 0, "<?%s %s?>", (char *)target, (char *)data);
			parser->h_default(parser->user, (const XML_Char *) full_pi, strlen(full_pi));
			efree(full_pi);
		}
		return;
	}

parser->h_pi(parser->user, (const XML_Char *) target, (const XML_Char *) data);
}

static void
_unparsed_entity_decl_handler(void *user,
                              const xmlChar *name,
							  const xmlChar *pub_id,
							  const xmlChar *sys_id,
							  const xmlChar *notation)
{
	XML_Parser parser = (XML_Parser) user;

if (parser->h_unparsed_entity_decl == NULL) {
		return;
	}

parser->h_unparsed_entity_decl(parser->user, name, NULL, sys_id, pub_id, notation);
}

static void
_notation_decl_handler(void *user, const xmlChar *notation, const xmlChar *pub_id, const xmlChar *sys_id)
{
	XML_Parser parser = (XML_Parser) user;

if (parser->h_notation_decl == NULL) {
		return;
	}

parser->h_notation_decl(parser->user, notation, NULL, sys_id, pub_id);
}

static void
_build_comment(const xmlChar *data, int data_len, xmlChar **comment, int *comment_len)
{
	*comment_len = data_len + 7;

*comment = xmlMalloc(*comment_len + 1);
	memcpy(*comment, "", 3);

(*comment)[*comment_len] = '\0';
}

static void
_comment_handler(void *user, const xmlChar *comment)
{
	XML_Parser parser = (XML_Parser) user;

if (parser->h_default) {
		xmlChar *d_comment;
		int      d_comment_len;

_build_comment(comment, xmlStrlen(comment), &d_comment, &d_comment_len);
		parser->h_default(parser->user, d_comment, d_comment_len);
		xmlFree(d_comment);
	}
}

static void
_build_entity(const xmlChar *name, int len, xmlChar **entity, int *entity_len)
{
	*entity_len = len + 2;
	*entity = xmlMalloc(*entity_len + 1);
	(*entity)[0] = '&';
	memcpy(*entity+1, name, len);
	(*entity)[len+1] = ';';
	(*entity)[*entity_len] = '\0';
}

static void
_external_entity_ref_handler(void *user, const xmlChar *names, int type, const xmlChar *sys_id, const xmlChar *pub_id, xmlChar *content)
{
	XML_Parser parser = (XML_Parser) user;

if (parser->h_external_entity_ref == NULL) {
		return;
	}

if (!parser->h_external_entity_ref(parser, names, (XML_Char *) "", sys_id, pub_id)) {
		xmlStopParser(parser->parser);
		parser->parser->errNo = XML_ERROR_EXTERNAL_ENTITY_HANDLING;
	};
}

static xmlEntityPtr
_get_entity(void *user, const xmlChar *name)
{
	XML_Parser parser = (XML_Parser) user;
	xmlEntityPtr ret = NULL;

if (parser->parser->inSubset == 0) {
		ret = xmlGetPredefinedEntity(name);
		if (ret == NULL)
			ret = xmlGetDocEntity(parser->parser->myDoc, name);

if (ret == NULL || (parser->parser->instate != XML_PARSER_ENTITY_VALUE && parser->parser->instate != XML_PARSER_ATTRIBUTE_VALUE)) {
			if (ret == NULL || ret->etype == XML_INTERNAL_GENERAL_ENTITY || ret->etype == XML_INTERNAL_PARAMETER_ENTITY || ret->etype == XML_INTERNAL_PREDEFINED_ENTITY) {
				/* Predefined entities will expand unless no cdata handler is present */
				if (parser->h_default && ! (ret && ret->etype == XML_INTERNAL_PREDEFINED_ENTITY && parser->h_cdata)) {
					xmlChar *entity;
					int      len;

_build_entity(name, xmlStrlen(name), &entity, &len);
					parser->h_default(parser->user, (const xmlChar *) entity, len);
					xmlFree(entity);
				} else {
					/* expat will not expand internal entities if default handler is present otherwise
					it will expand and pass them to cdata handler */
					if (parser->h_cdata && ret) {
						parser->h_cdata(parser->user, ret->content, xmlStrlen(ret->content));
					}
				}
			} else {
				if (ret->etype == XML_EXTERNAL_GENERAL_PARSED_ENTITY) {
					_external_entity_ref_handler(user, ret->name, ret->etype, ret->SystemID, ret->ExternalID, NULL);
				}
			}
		}
	}

return ret;
}

static const xmlSAXHandler
php_xml_compat_handlers = {
	NULL, /* internalSubset */
	NULL, /* isStandalone */
	NULL, /* hasInternalSubset */
	NULL, /* hasExternalSubset */
	NULL, /* resolveEntity */
	_get_entity, /* getEntity */
	NULL, /* entityDecl */
	_notation_decl_handler,
	NULL, /* attributeDecl */
	NULL, /* elementDecl */
	_unparsed_entity_decl_handler, /* unparsedEntity */
	NULL, /* setDocumentLocator */
	NULL, /* startDocument */
	NULL, /* endDocument */
	_start_element_handler, /* startElement */
	_end_element_handler, /* endElement */
	NULL, /* reference */
	_cdata_handler,
	NULL, /* ignorableWhitespace */
	_pi_handler,
	_comment_handler, /* comment */
	NULL, /* warning */
	NULL, /* error */
	NULL,  /* fatalError */
	NULL,  /* getParameterEntity */
	_cdata_handler, /* cdataBlock */
	NULL, /* externalSubset */
	XML_SAX2_MAGIC,
	NULL,
	_start_element_handler_ns,
	_end_element_handler_ns,
	NULL
};

PHP_XML_API XML_Parser
XML_ParserCreate(const XML_Char *encoding)
{
	return XML_ParserCreate_MM(encoding, NULL, NULL);
}

PHP_XML_API XML_Parser
XML_ParserCreateNS(const XML_Char *encoding, const XML_Char sep)
{
	XML_Char tmp[2];
	tmp[0] = sep;
	tmp[1] = '\0';
	return XML_ParserCreate_MM(encoding, NULL, tmp);
}

PHP_XML_API XML_Parser
XML_ParserCreate_MM(const XML_Char *encoding, const XML_Memory_Handling_Suite *memsuite, const XML_Char *sep)
{
	XML_Parser parser;

parser = (XML_Parser) emalloc(sizeof(struct _XML_Parser));
	memset(parser, 0, sizeof(struct _XML_Parser));
	parser->use_namespace = 0;
	parser->_ns_separator = NULL;

parser->parser = xmlCreatePushParserCtxt((xmlSAXHandlerPtr) &php_xml_compat_handlers, (void *) parser, NULL, 0, NULL);
	if (parser->parser == NULL) {
		efree(parser);
		return NULL;
	}

xmlCtxtUseOptions(parser->parser, XML_PARSE_OLDSAX);

parser->parser->replaceEntities = 1;
	parser->parser->wellFormed = 0;
	if (sep != NULL) {
		parser->use_namespace = 1;
		parser->parser->sax2 = 1;
		parser->_ns_separator = xmlStrdup(sep);
	} else {
		/* Reset flag as XML_SAX2_MAGIC is needed for xmlCreatePushParserCtxt
		so must be set in the handlers */
		parser->parser->sax->initialized = 1;
	}
	return parser;
}

PHP_XML_API void
XML_SetUserData(XML_Parser parser, void *user)
{
	parser->user = user;
}

PHP_XML_API void *
XML_GetUserData(XML_Parser parser)
{
	return parser->user;
}

PHP_XML_API void
XML_SetElementHandler(XML_Parser parser, XML_StartElementHandler start, XML_EndElementHandler end)
{
	parser->h_start_element = start;
	parser->h_end_element = end;
}

PHP_XML_API void
XML_SetCharacterDataHandler(XML_Parser parser, XML_CharacterDataHandler cdata)
{
	parser->h_cdata = cdata;
}

PHP_XML_API void
XML_SetProcessingInstructionHandler(XML_Parser parser, XML_ProcessingInstructionHandler pi)
{
	parser->h_pi = pi;
}

PHP_XML_API void
XML_SetCommentHandler(XML_Parser parser, XML_CommentHandler comment)
{
	parser->h_comment = comment;
}

PHP_XML_API void
XML_SetDefaultHandler(XML_Parser parser, XML_DefaultHandler d)
{
	parser->h_default = d;
}

PHP_XML_API void
XML_SetUnparsedEntityDeclHandler(XML_Parser parser, XML_UnparsedEntityDeclHandler unparsed_decl)
{
	parser->h_unparsed_entity_decl = unparsed_decl;
}

PHP_XML_API void
XML_SetNotationDeclHandler(XML_Parser parser, XML_NotationDeclHandler notation_decl)
{
	parser->h_notation_decl = notation_decl;
}

PHP_XML_API void
XML_SetExternalEntityRefHandler(XML_Parser parser, XML_ExternalEntityRefHandler ext_entity)
{
	parser->h_external_entity_ref = ext_entity;
}

PHP_XML_API void
XML_SetStartNamespaceDeclHandler(XML_Parser parser, XML_StartNamespaceDeclHandler start_ns)
{
	parser->h_start_ns = start_ns;
}

PHP_XML_API void
XML_SetEndNamespaceDeclHandler(XML_Parser parser, XML_EndNamespaceDeclHandler end_ns)
{
	parser->h_end_ns = end_ns;
}

PHP_XML_API int
XML_Parse(XML_Parser parser, const XML_Char *data, int data_len, int is_final)
{
	int error;

error = xmlParseChunk(parser->parser, (char *) data, data_len, is_final);
	return !error && parser->parser->lastError.level <= XML_ERR_WARNING;
}

PHP_XML_API int
XML_GetErrorCode(XML_Parser parser)
{
	return parser->parser->errNo;
}

static const XML_Char *const error_mapping[] = {
	(const XML_Char *)"No error",
	(const XML_Char *)"No memory",
	(const XML_Char *)"Invalid document start",
	(const XML_Char *)"Empty document",
	(const XML_Char *)"Not well-formed (invalid token)",
	(const XML_Char *)"Invalid document end",
	(const XML_Char *)"Invalid hexadecimal character reference",
	(const XML_Char *)"Invalid decimal character reference",
	(const XML_Char *)"Invalid character reference",
	(const XML_Char *)"Invalid character",
	(const XML_Char *)"XML_ERR_CHARREF_AT_EOF",
	(const XML_Char *)"XML_ERR_CHARREF_IN_PROLOG",
	(const XML_Char *)"XML_ERR_CHARREF_IN_EPILOG",
	(const XML_Char *)"XML_ERR_CHARREF_IN_DTD",
	(const XML_Char *)"XML_ERR_ENTITYREF_AT_EOF",
	(const XML_Char *)"XML_ERR_ENTITYREF_IN_PROLOG",
	(const XML_Char *)"XML_ERR_ENTITYREF_IN_EPILOG",
	(const XML_Char *)"XML_ERR_ENTITYREF_IN_DTD",
	(const XML_Char *)"PEReference at end of document",
	(const XML_Char *)"PEReference in prolog",
	(const XML_Char *)"PEReference in epilog",
	(const XML_Char *)"PEReference: forbidden within markup decl in internal subset",
	(const XML_Char *)"XML_ERR_ENTITYREF_NO_NAME",
	(const XML_Char *)"EntityRef: expecting ';'",
	(const XML_Char *)"PEReference: no name",
	(const XML_Char *)"PEReference: expecting ';'",
	(const XML_Char *)"Undeclared entity error",
	(const XML_Char *)"Undeclared entity warning",
	(const XML_Char *)"Unparsed Entity",
	(const XML_Char *)"XML_ERR_ENTITY_IS_EXTERNAL",
	(const XML_Char *)"XML_ERR_ENTITY_IS_PARAMETER",
	(const XML_Char *)"Unknown encoding",
	(const XML_Char *)"Unsupported encoding",
	(const XML_Char *)"String not started expecting ' or \"",
	(const XML_Char *)"String not closed expecting \" or '",
	(const XML_Char *)"Namespace declaration error",
	(const XML_Char *)"EntityValue: \" or ' expected",
	(const XML_Char *)"EntityValue: \" or ' expected",
	(const XML_Char *)"< in attribute",
	(const XML_Char *)"Attribute not started",
	(const XML_Char *)"Attribute not finished",
	(const XML_Char *)"Attribute without value",
	(const XML_Char *)"Attribute redefined",
	(const XML_Char *)"SystemLiteral \" or ' expected",
	(const XML_Char *)"SystemLiteral \" or ' expected",
	/* (const XML_Char *)"XML_ERR_COMMENT_NOT_STARTED", <= eliminated on purpose */
	(const XML_Char *)"Comment not finished",
	(const XML_Char *)"Processing Instruction not started",
	(const XML_Char *)"Processing Instruction not finished",
	(const XML_Char *)"NOTATION: Name expected here",
	(const XML_Char *)"'>' required to close NOTATION declaration",
	(const XML_Char *)"'(' required to start ATTLIST enumeration",
	(const XML_Char *)"'(' required to start ATTLIST enumeration",
	(const XML_Char *)"MixedContentDecl : '|' or ')*' expected",
	(const XML_Char *)"XML_ERR_MIXED_NOT_FINISHED",
	(const XML_Char *)"ELEMENT in DTD not started",
	(const XML_Char *)"ELEMENT in DTD not finished",
	(const XML_Char *)"XML declaration not started",
	(const XML_Char *)"XML declaration not finished",
	(const XML_Char *)"XML_ERR_CONDSEC_NOT_STARTED",
	(const XML_Char *)"XML conditional section not closed",
	(const XML_Char *)"Content error in the external subset",
	(const XML_Char *)"DOCTYPE not finished",
	(const XML_Char *)"Sequence ']]>' not allowed in content",
	(const XML_Char *)"CDATA not finished",
	(const XML_Char *)"Reserved XML Name",
	(const XML_Char *)"Space required",
	(const XML_Char *)"XML_ERR_SEPARATOR_REQUIRED",
	(const XML_Char *)"NmToken expected in ATTLIST enumeration",
	(const XML_Char *)"XML_ERR_NAME_REQUIRED",
	(const XML_Char *)"MixedContentDecl : '#PCDATA' expected",
	(const XML_Char *)"SYSTEM or PUBLIC, the URI is missing",
	(const XML_Char *)"PUBLIC, the Public Identifier is missing",
	(const XML_Char *)"< required",
	(const XML_Char *)"> required",
	(const XML_Char *)"</ required",
	(const XML_Char *)"= required",
	(const XML_Char *)"Mismatched tag",
	(const XML_Char *)"Tag not finished",
	(const XML_Char *)"standalone accepts only 'yes' or 'no'",
	(const XML_Char *)"Invalid XML encoding name",
	(const XML_Char *)"Comment must not contain '--' (double-hyphen)",
	(const XML_Char *)"Invalid encoding",
	(const XML_Char *)"external parsed entities cannot be standalone",
	(const XML_Char *)"XML conditional section '[' expected",
	(const XML_Char *)"Entity value required",
	(const XML_Char *)"chunk is not well balanced",
	(const XML_Char *)"extra content at the end of well balanced chunk",
	(const XML_Char *)"XML_ERR_ENTITY_CHAR_ERROR",
	(const XML_Char *)"PEReferences forbidden in internal subset",
	(const XML_Char *)"Detected an entity reference loop",
	(const XML_Char *)"XML_ERR_ENTITY_BOUNDARY",
	(const XML_Char *)"Invalid URI",
	(const XML_Char *)"Fragment not allowed",
	(const XML_Char *)"XML_WAR_CATALOG_PI",
	(const XML_Char *)"XML_ERR_NO_DTD",
	(const XML_Char *)"conditional section INCLUDE or IGNORE keyword expected", /* 95 */
	(const XML_Char *)"Version in XML Declaration missing", /* 96 */
	(const XML_Char *)"XML_WAR_UNKNOWN_VERSION", /* 97 */
	(const XML_Char *)"XML_WAR_LANG_VALUE", /* 98 */
	(const XML_Char *)"XML_WAR_NS_URI", /* 99 */
	(const XML_Char *)"XML_WAR_NS_URI_RELATIVE", /* 100 */
	(const XML_Char *)"Missing encoding in text declaration" /* 101 */
};

PHP_XML_API const XML_Char *
XML_ErrorString(int code)
{
	if (code < 0 || code >= (int)(sizeof(error_mapping) / sizeof(error_mapping[0]))) {
		return (const XML_Char *) "Unknown";
	}
	return error_mapping[code];
}

PHP_XML_API int
XML_GetCurrentLineNumber(XML_Parser parser)
{
	return parser->parser->input->line;
}

PHP_XML_API int
XML_GetCurrentColumnNumber(XML_Parser parser)
{
	return parser->parser->input->col;
}

PHP_XML_API int
XML_GetCurrentByteIndex(XML_Parser parser)
{
	return parser->parser->input->consumed +
			(parser->parser->input->cur - parser->parser->input->base);
}

PHP_XML_API int
XML_GetCurrentByteCount(XML_Parser parser)
{
	/* WARNING: this is identical to ByteIndex; it should probably
	 * be different */
	return parser->parser->input->consumed +
			(parser->parser->input->cur - parser->parser->input->base);
}

PHP_XML_API const XML_Char *XML_ExpatVersion(void)
{
	return (const XML_Char *) "1.0";
}

PHP_XML_API void
XML_ParserFree(XML_Parser parser)
{
	if (parser->use_namespace) {
		if (parser->_ns_separator) {
			xmlFree(parser->_ns_separator);
		}
	}
	if (parser->parser->myDoc) {
		xmlFreeDoc(parser->parser->myDoc);
		parser->parser->myDoc = NULL;
	}
	xmlFreeParserCtxt(parser->parser);
	efree(parser);
}

#endif /* LIBXML_EXPAT_COMPAT */
#endif

${this.title}

Code Editor : compat.c