/*
   +----------------------------------------------------------------------+
   | PHP version 4.0                                                      |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group                   |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.02 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available at through the world-wide-web at                           |
   | http://www.php.net/license/2_02.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: Stig Sæther Bakken <ssb@fast.no>                            |
   |		  Thies C. Arntzen <thies@thieso.net>						  | 
   +----------------------------------------------------------------------+
 */

/* $Id: xml.c,v 1.65.2.1 2000/12/13 23:02:10 zeev Exp $ */
#define IS_EXT_MODULE

#include "php.h"
#define PHP_XML_INTERNAL
#include "php_xml.h"
#include "zend_variables.h"
#include "ext/standard/php_string.h"
#include "ext/standard/info.h"

#if HAVE_LIBEXPAT

#ifndef PHP_WIN32
#  include "build-defs.h"
# endif
# include "ext/standard/head.h"

/* Short-term TODO list:
 * - Implement XML_ExternalEntityParserCreate()
 */

/* Long-term TODO list:
 * - Fix the expat library so you can install your own memory manager
 *   functions
 */

/* Known bugs:
 * - Weird things happen with <![CDATA[]]> sections.
 */


#ifdef ZTS
int xml_globals_id;
#else
PHP_XML_API php_xml_globals xml_globals;
#endif

/* {{{ dynamically loadable module stuff */

#ifdef COMPILE_DL_XML
ZEND_GET_MODULE(xml)
#endif /* COMPILE_DL_XML */

/* }}} */
/* {{{ function prototypes */

PHP_MINIT_FUNCTION(xml);
PHP_RINIT_FUNCTION(xml);
PHP_MSHUTDOWN_FUNCTION(xml);
PHP_RSHUTDOWN_FUNCTION(xml);
PHP_MINFO_FUNCTION(xml);

static void xml_parser_dtor(zend_rsrc_list_entry *rsrc);
static void xml_set_handler(zval **, zval **);
inline static unsigned short xml_encode_iso_8859_1(unsigned char);
inline static char xml_decode_iso_8859_1(unsigned short);
inline static unsigned short xml_encode_us_ascii(unsigned char);
inline static char xml_decode_us_ascii(unsigned short);
static XML_Char *xml_utf8_encode(const char *, int, int *, const XML_Char *);
static zval *xml_call_handler(xml_parser *, zval *, int, zval **);
static zval *_xml_xmlchar_zval(const XML_Char *, int, const XML_Char *);
static int _xml_xmlcharlen(const XML_Char *);
static void _xml_add_to_info(xml_parser *parser,char *name);


void _xml_startElementHandler(void *, const char *, const char **);
void _xml_endElementHandler(void *, const char *);
void _xml_characterDataHandler(void *, const XML_Char *, int);
void _xml_processingInstructionHandler(void *, const XML_Char *, const XML_Char *);
void _xml_defaultHandler(void *, const XML_Char *, int);
void _xml_unparsedEntityDeclHandler(void *, const XML_Char *, const XML_Char *, const XML_Char *, const XML_Char *, const XML_Char *);
void _xml_notationDeclHandler(void *, const XML_Char *, const XML_Char *, const XML_Char *, const XML_Char *);
int  _xml_externalEntityRefHandler(XML_Parser, const XML_Char *, const XML_Char *, const XML_Char *, const XML_Char *);

/* }}} */
/* {{{ extension definition structures */

static unsigned char third_and_fourth_args_force_ref[] = { 4, BYREF_NONE, BYREF_NONE, BYREF_FORCE, BYREF_FORCE };

function_entry xml_functions[] = {
    PHP_FE(xml_parser_create, NULL)
    PHP_FE(xml_set_object, second_arg_force_ref)
    PHP_FE(xml_set_element_handler, NULL)
	PHP_FE(xml_set_character_data_handler, NULL)
	PHP_FE(xml_set_processing_instruction_handler, NULL)
	PHP_FE(xml_set_default_handler, NULL)
	PHP_FE(xml_set_unparsed_entity_decl_handler, NULL)
	PHP_FE(xml_set_notation_decl_handler, NULL)
	PHP_FE(xml_set_external_entity_ref_handler, NULL)
    PHP_FE(xml_parse, NULL)
    PHP_FE(xml_parse_into_struct, third_and_fourth_args_force_ref)
    PHP_FE(xml_get_error_code, NULL)
    PHP_FE(xml_error_string, NULL)
    PHP_FE(xml_get_current_line_number, NULL)
    PHP_FE(xml_get_current_column_number, NULL)
    PHP_FE(xml_get_current_byte_index, NULL)
    PHP_FE(xml_parser_free, NULL)
	PHP_FE(xml_parser_set_option, NULL)
	PHP_FE(xml_parser_get_option, NULL)
	PHP_FE(utf8_encode, NULL)
	PHP_FE(utf8_decode, NULL)
    {NULL, NULL, NULL}
};

zend_module_entry xml_module_entry = {
    "xml",                /* extension name */
    xml_functions,        /* extension function list */
    PHP_MINIT(xml),       /* extension-wide startup function */
    PHP_MSHUTDOWN(xml),   /* extension-wide shutdown function */
    PHP_RINIT(xml),       /* per-request startup function */
    PHP_RSHUTDOWN(xml),   /* per-request shutdown function */
    PHP_MINFO(xml),       /* information function */
    STANDARD_MODULE_PROPERTIES
};

/* All the encoding functions are set to NULL right now, since all
 * the encoding is currently done internally by expat/xmltok.
 */
xml_encoding xml_encodings[] = {
	{ "ISO-8859-1", xml_decode_iso_8859_1, xml_encode_iso_8859_1 },
	{ "US-ASCII",   xml_decode_us_ascii,   xml_encode_us_ascii   },
	{ "UTF-8",      NULL,                  NULL                  },
    { NULL,         NULL,                  NULL                  }
};

/* True globals, no need for thread safety */
static int le_xml_parser; 

/* }}} */
/* {{{ startup, shutdown and info functions */


#ifdef ZTS
static void php_xml_init_globals(php_xml_globals *xml_globals)
{
	XML(default_encoding) = "ISO-8859-1";
}
#endif

PHP_MINIT_FUNCTION(xml)
{
	le_xml_parser =	zend_register_list_destructors_ex(xml_parser_dtor, NULL, "xml", module_number);

#ifdef ZTS
	xml_globals_id = ts_allocate_id(sizeof(php_xml_globals), (ts_allocate_ctor) php_xml_init_globals, NULL);
#else
	XML(default_encoding) = "ISO-8859-1";
#endif

	REGISTER_LONG_CONSTANT("XML_ERROR_NONE", XML_ERROR_NONE, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_NO_MEMORY", XML_ERROR_NO_MEMORY, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_SYNTAX", XML_ERROR_SYNTAX, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_NO_ELEMENTS", XML_ERROR_NO_ELEMENTS, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_INVALID_TOKEN", XML_ERROR_INVALID_TOKEN, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_UNCLOSED_TOKEN", XML_ERROR_UNCLOSED_TOKEN, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_PARTIAL_CHAR", XML_ERROR_PARTIAL_CHAR, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_TAG_MISMATCH", XML_ERROR_TAG_MISMATCH, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_DUPLICATE_ATTRIBUTE", XML_ERROR_DUPLICATE_ATTRIBUTE, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_JUNK_AFTER_DOC_ELEMENT", XML_ERROR_JUNK_AFTER_DOC_ELEMENT, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_PARAM_ENTITY_REF", XML_ERROR_PARAM_ENTITY_REF, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_UNDEFINED_ENTITY", XML_ERROR_UNDEFINED_ENTITY, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_RECURSIVE_ENTITY_REF", XML_ERROR_RECURSIVE_ENTITY_REF, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_ASYNC_ENTITY", XML_ERROR_ASYNC_ENTITY, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_BAD_CHAR_REF", XML_ERROR_BAD_CHAR_REF, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_BINARY_ENTITY_REF", XML_ERROR_BINARY_ENTITY_REF, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF", XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_MISPLACED_XML_PI", XML_ERROR_MISPLACED_XML_PI, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_UNKNOWN_ENCODING", XML_ERROR_UNKNOWN_ENCODING, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_INCORRECT_ENCODING", XML_ERROR_INCORRECT_ENCODING, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_UNCLOSED_CDATA_SECTION", XML_ERROR_UNCLOSED_CDATA_SECTION, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_ERROR_EXTERNAL_ENTITY_HANDLING", XML_ERROR_EXTERNAL_ENTITY_HANDLING, CONST_CS|CONST_PERSISTENT);

	REGISTER_LONG_CONSTANT("XML_OPTION_CASE_FOLDING", PHP_XML_OPTION_CASE_FOLDING, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_OPTION_TARGET_ENCODING", PHP_XML_OPTION_TARGET_ENCODING, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_OPTION_SKIP_TAGSTART", PHP_XML_OPTION_SKIP_TAGSTART, CONST_CS|CONST_PERSISTENT);
	REGISTER_LONG_CONSTANT("XML_OPTION_SKIP_WHITE", PHP_XML_OPTION_SKIP_WHITE, CONST_CS|CONST_PERSISTENT);
	

	return SUCCESS;
}


PHP_RINIT_FUNCTION(xml)
{
    return SUCCESS;
}


PHP_MSHUTDOWN_FUNCTION(xml)
{
	return SUCCESS;
}


PHP_RSHUTDOWN_FUNCTION(xml)
{
    return SUCCESS;
}


PHP_MINFO_FUNCTION(xml)
{

        php_info_print_table_start();
	php_info_print_table_row(2, "XML Support", "active");
        php_info_print_table_end();
}


/* {{{ extension-internal functions */

static zval *_xml_resource_zval(long value)
{
	zval *ret;
	MAKE_STD_ZVAL(ret);

	ret->type = IS_RESOURCE;
	ret->value.lval = value;

	zend_list_addref(value);

	return ret;
}

static zval *_xml_string_zval(const char *str)
{
	zval *ret;
	int len = strlen(str);
	MAKE_STD_ZVAL(ret);

	ret->type = IS_STRING;
	ret->value.str.len = len;
	ret->value.str.val = estrndup(str, len);
	return ret;
}

static zval *_xml_xmlchar_zval(const XML_Char *s, int len, const XML_Char *encoding)
{
	zval *ret;
	MAKE_STD_ZVAL(ret);
	
	if (s == NULL) {
		var_reset(ret);
		return ret;
	}
	if (len == 0) {
		len = _xml_xmlcharlen(s);
	}
	ret->type = IS_STRING;
	ret->value.str.val = xml_utf8_decode(s, len, &ret->value.str.len, encoding);
	return ret;
}

/* }}} */

/* {{{ xml_parser_dtor() */

static void
xml_parser_dtor(zend_rsrc_list_entry *rsrc)
{
	xml_parser *parser = (xml_parser *)rsrc->ptr;

	if (parser->object) {
		zval_del_ref(&parser->object);
	}
	
	if (parser->parser) {
		XML_ParserFree(parser->parser);
	}
	if (parser->ltags) {
		int inx;
		for (inx = 0; inx < parser->level; inx++)
			efree(parser->ltags[ inx ]);
		efree(parser->ltags);
	}
	if (parser->startElementHandler) {
		zval_del_ref(&parser->startElementHandler);
	}
	if (parser->endElementHandler) {
		zval_del_ref(&parser->endElementHandler);
	}
	if (parser->characterDataHandler) {
		zval_del_ref(&parser->characterDataHandler);
	}
	if (parser->processingInstructionHandler) {
		zval_del_ref(&parser->processingInstructionHandler);
	}
	if (parser->defaultHandler) {
		zval_del_ref(&parser->defaultHandler);
	}
	if (parser->unparsedEntityDeclHandler) {
		zval_del_ref(&parser->unparsedEntityDeclHandler);
	}
	if (parser->notationDeclHandler) {
		zval_del_ref(&parser->notationDeclHandler);
	}
	if (parser->externalEntityRefHandler) {
		zval_del_ref(&parser->externalEntityRefHandler);
	}
	if (parser->unknownEncodingHandler) {
		zval_del_ref(&parser->unknownEncodingHandler);
	}
	if (parser->baseURI) {
		efree(parser->baseURI);
	}

	efree(parser);
}

/* }}} */
    /* {{{ xml_set_handler() */

static void
xml_set_handler(zval **handler, zval **data)
{
	/* IS_ARRAY might indicate that we're using array($obj, 'method') syntax */
	if (Z_TYPE_PP(data) != IS_ARRAY) {
		convert_to_string_ex(data);
	}

	zval_add_ref(data);
	*handler = *data;
}

/* }}} */
    /* {{{ xml_call_handler() */

static zval *
xml_call_handler(xml_parser *parser, zval *handler, int argc, zval **argv)
{
	ELS_FETCH();

	if (parser && handler) {
		zval *retval;
		int i;	
		int result;

		MAKE_STD_ZVAL(retval);
		retval->type = IS_BOOL;
		retval->value.lval = 0;

		result = call_user_function(EG(function_table), &parser->object, handler, retval, argc, argv);

		if (result == FAILURE) {
			zval **method;
			zval **obj;

			if (Z_TYPE_P(handler) == IS_STRING) {
				php_error(E_WARNING, "Unable to call handler %s()", Z_STRVAL_P(handler));
			} else if (zend_hash_index_find(handler->value.ht, 0, (void **) &obj) == SUCCESS &&
					   zend_hash_index_find(handler->value.ht, 1, (void **) &method) == SUCCESS &&
					   Z_TYPE_PP(obj) == IS_OBJECT &&
					   Z_TYPE_PP(method) == IS_STRING) {
				php_error(E_WARNING, "Unable to call handler %s::%s()", (*obj)->value.obj.ce->name, Z_STRVAL_PP(method));
			} else
				php_error(E_WARNING, "Unable to call handler");

			zval_dtor(retval);
			efree(retval);
		}

		for (i = 0; i < argc; i++) {
			zval_del_ref(&(argv[i]));
		}

		if (result == FAILURE) {
			return NULL;
		} else {
			return retval;
		}
	}
	return NULL;
}

/* }}} */
    /* {{{ xml_encode_iso_8859_1() */

inline static unsigned short
xml_encode_iso_8859_1(unsigned char c)
{
	return (unsigned short)c;
}

/* }}} */
    /* {{{ xml_decode_iso_8859_1() */

inline static char
xml_decode_iso_8859_1(unsigned short c)
{
	return (char)(c > 0xff ? '?' : c);
}

/* }}} */
    /* {{{ xml_encode_us_ascii() */

inline static unsigned short
xml_encode_us_ascii(unsigned char c)
{
	return (unsigned short)c;
}

/* }}} */
    /* {{{ xml_decode_us_ascii() */

inline static char
xml_decode_us_ascii(unsigned short c)
{
	return (char)(c > 0x7f ? '?' : c);
}

/* }}} */
    /* {{{ xml_get_encoding() */

static xml_encoding *
xml_get_encoding(const XML_Char *name)
{
	xml_encoding *enc = &xml_encodings[0];

	while (enc && enc->name) {
		if (strcasecmp(name, enc->name) == 0) {
			return enc;
		}
		enc++;
	}
	return NULL;
}

/* }}} */
    /* {{{ xml_utf8_encode */
static XML_Char *
xml_utf8_encode(const char *s, int len, int *newlen, const XML_Char *encoding)
{
	int pos = len;
	char *newbuf;
	unsigned short c;
	unsigned short (*encoder)(unsigned char) = NULL;
	xml_encoding *enc = xml_get_encoding(encoding);

	*newlen = 0;
	if (enc) {
		encoder = enc->encoding_function;
	} else {
		/* If the target encoding was unknown, fail */
		return NULL;
	}
	if (encoder == NULL) {
		/* If no encoder function was specified, return the data as-is.
		 */
		newbuf = emalloc(len);
		memcpy(newbuf, s, len);
		*newlen = len;
		return newbuf;
	}
	/* This is the theoretical max (will never get beyond len * 2 as long
	 * as we are converting from single-byte characters, though) */
	newbuf = emalloc(len * 4);
	while (pos > 0) {
		c = encoder ? encoder((unsigned char)(*s)) : (unsigned short)(*s);
		if (c < 0x80) {
			newbuf[(*newlen)++] = (char) c;
		} else if (c < 0x800) {
			newbuf[(*newlen)++] = (0xc0 | (c >> 6));
			newbuf[(*newlen)++] = (0x80 | (c & 0x3f));
		} else if (c < 0x10000) {
			newbuf[(*newlen)++] = (0xe0 | (c >> 12));
			newbuf[(*newlen)++] = (0xc0 | ((c >> 6) & 0x3f));
			newbuf[(*newlen)++] = (0x80 | (c & 0x3f));
		} else if (c < 0x200000) {
			newbuf[(*newlen)++] = (0xf0 | (c >> 18));
			newbuf[(*newlen)++] = (0xe0 | ((c >> 12) & 0x3f));
			newbuf[(*newlen)++] = (0xc0 | ((c >> 6) & 0x3f));
			newbuf[(*newlen)++] = (0x80 | (c & 0x3f));
		}
		pos--;
		s++;
    }
	if (*newlen < len * 4) {
		newbuf = erealloc(newbuf, *newlen);
	}
	return newbuf;
}
/* }}} */
    /* {{{ xml_utf8_decode */
PHPAPI char *
xml_utf8_decode(const XML_Char *s, int len, int *newlen, const XML_Char *encoding)
{
	int pos = len;
	char *newbuf = emalloc(len + 1);
	unsigned short c;
	char (*decoder)(unsigned short) = NULL;
	xml_encoding *enc = xml_get_encoding(encoding);

	*newlen = 0;
	if (enc) {
		decoder = enc->decoding_function;
	}
	if (decoder == NULL) {
		/* If the target encoding was unknown, or no decoder function
		 * was specified, return the UTF-8-encoded data as-is.
		 */
		memcpy(newbuf, s, len);
		*newlen = len;
		newbuf[*newlen] = '\0';
		return newbuf;
	}
	while (pos > 0) {
		c = (unsigned char)(*s);
		if (c >= 0xf0) { /* four bytes encoded, 21 bits */
			c = ((s[0]&7)<<18) | ((s[1]&63)<<12) | ((s[2]&63)<<6) | (s[3]&63);
			s += 4;
			pos -= 4;
		} else if (c >= 0xe0) { /* three bytes encoded, 16 bits */
			c = ((s[0]&63)<<12) | ((s[1]&63)<<6) | (s[2]&63);
			s += 3;
			pos -= 3;
		} else if (c >= 0xc0) { /* two bytes encoded, 11 bits */
			c = ((s[0]&63)<<6) | (s[1]&63);
			s += 2;
			pos -= 2;
		} else {
			s++;
			pos--;
		}
		newbuf[*newlen] = decoder ? decoder(c) : c;
		++*newlen;
    }
	if (*newlen < len) {
		newbuf = erealloc(newbuf, *newlen + 1);
	}
	newbuf[*newlen] = '\0';
	return newbuf;
}
/* }}} */
    /* {{{ _xml_xmlcharlen() */

static int _xml_xmlcharlen(const XML_Char *s)
{
	int len = 0;

	while (*s) {
		len++;
		s++;
	}
	return len;
}

/* }}} */
    /* {{{ _xml_zval_strdup() */

PHPAPI char *_xml_zval_strdup(zval *val)
{
	if (val->type == IS_STRING) {
		char *buf = emalloc(val->value.str.len + 1);
		memcpy(buf, val->value.str.val, val->value.str.len);
		buf[val->value.str.len] = '\0';
		return buf;
	}
	return NULL;
}

/* }}} */
    /* {{{ _xml_add_to_info */
static void _xml_add_to_info(xml_parser *parser,char *name)
{
	zval **element, *values;

	if (! parser->info) {
		return;
	}

	if (zend_hash_find(parser->info->value.ht,name,strlen(name) + 1,(void **) &element) == FAILURE) {
		MAKE_STD_ZVAL(values);
		
		if (array_init(values) == FAILURE) {
			php_error(E_ERROR, "Unable to initialize array");
			return;
		}
		
		zend_hash_update(parser->info->value.ht, name, strlen(name)+1, (void *) &values, sizeof(zval*), (void **) &element);
	} 
			
	add_next_index_long(*element,parser->curtag);
	
	parser->curtag++;
}

/* }}} */
    /* {{{ _xml_startElementHandler() */

void _xml_startElementHandler(void *userData, const char *name,
								   const char **attributes)
{
	xml_parser *parser = (xml_parser *)userData;
	const char **attrs = attributes;

	if (parser) {
		zval *retval, *args[3];

		parser->level++;

		if (parser->case_folding) {
			name = php_strtoupper(estrdup(name), strlen(name));
		}

		if (parser->startElementHandler) {
			args[0] = _xml_resource_zval(parser->index);
			args[1] = _xml_string_zval(name);
			MAKE_STD_ZVAL(args[2]);
			array_init(args[2]);
			while (attributes && *attributes) {
				char *key = (char *)attributes[0];
				char *value = (char *)attributes[1];
				char *decoded_value;
				int decoded_len;
				if (parser->case_folding) {
					key = php_strtoupper(estrdup(key), strlen(key));
				}
				decoded_value = xml_utf8_decode(value, strlen(value),
												&decoded_len,
												parser->target_encoding);
				
				add_assoc_stringl(args[2], key, decoded_value, decoded_len, 0);
				if (parser->case_folding) {
					efree(key);
				}
				attributes += 2;
			}
			
			if ((retval = xml_call_handler(parser, parser->startElementHandler, 3, args))) {
				zval_dtor(retval);
				efree(retval);
			}
		} 

		if (parser->data) {
			zval *tag, *atr;
			int atcnt = 0;

			MAKE_STD_ZVAL(tag);
			MAKE_STD_ZVAL(atr);

			array_init(tag);
			array_init(atr);

			_xml_add_to_info(parser,((char *) name) + parser->toffset);

			add_assoc_string(tag,"tag",((char *) name) + parser->toffset,1); /* cast to avoid gcc-warning */
			add_assoc_string(tag,"type","open",1);
			add_assoc_long(tag,"level",parser->level);

			parser->ltags[parser->level-1] = estrdup(name);
			parser->lastwasopen = 1;

			attributes = attrs;
			while (attributes && *attributes) {
				char *key = (char *)attributes[0];
				char *value = (char *)attributes[1];
				char *decoded_value;
				int decoded_len;
				if (parser->case_folding) {
					key = php_strtoupper(estrdup(key), strlen(key));
				}
				decoded_value = xml_utf8_decode(value, strlen(value),
												&decoded_len,
												parser->target_encoding);
				
				add_assoc_stringl(atr,key,decoded_value,decoded_len,0);
				atcnt++;
				if (parser->case_folding) {
					efree(key);
				}
				attributes += 2;
			}

			if (atcnt) {
				zend_hash_add(tag->value.ht,"attributes",sizeof("attributes"),&atr,sizeof(zval*),NULL);
			} else {
				zval_dtor(atr);
				efree(atr);
			}

			zend_hash_next_index_insert(parser->data->value.ht,&tag,sizeof(zval*),(void *) &parser->ctag);
		}

		if (parser->case_folding) {
			efree((char *)name);
		}
	}
}

/* }}} */
    /* {{{ _xml_endElementHandler() */

void _xml_endElementHandler(void *userData, const char *name)
{
	xml_parser *parser = (xml_parser *)userData;

	if (parser) {
		zval *retval, *args[2];

		if (parser->case_folding) {
			name = php_strtoupper(estrdup(name), strlen(name));
		}

		if (parser->endElementHandler) {
			args[0] = _xml_resource_zval(parser->index);
			args[1] = _xml_string_zval(name);

			if ((retval = xml_call_handler(parser, parser->endElementHandler, 2, args))) {
				zval_dtor(retval);
				efree(retval);
			}
		} 

		if (parser->data) {
			zval *tag;

			if (parser->lastwasopen) {
				add_assoc_string(*(parser->ctag),"type","complete",1);
			} else {
				MAKE_STD_ZVAL(tag);

				array_init(tag);
				  
				_xml_add_to_info(parser,((char *) name) + parser->toffset);

				add_assoc_string(tag,"tag",((char *) name) + parser->toffset,1); /* cast to avoid gcc-warning */
				add_assoc_string(tag,"type","close",1);
				add_assoc_long(tag,"level",parser->level);
				  
				zend_hash_next_index_insert(parser->data->value.ht,&tag,sizeof(zval*),NULL);
			}

			parser->lastwasopen = 0;
		}

		if (parser->case_folding) {
			efree((char *)name);
		}
		if (parser->ltags) {
			efree(parser->ltags[parser->level-1]);
		}
		parser->level--;
	}
}

/* }}} */
    /* {{{ _xml_characterDataHandler() */

void _xml_characterDataHandler(void *userData, const XML_Char *s, int len)
{
	xml_parser *parser = (xml_parser *)userData;

	if (parser) {
		zval *retval, *args[2];

		if (parser->characterDataHandler) {
			args[0] = _xml_resource_zval(parser->index);
			args[1] = _xml_xmlchar_zval(s, len, parser->target_encoding);
			if ((retval = xml_call_handler(parser, parser->characterDataHandler, 2, args))) {
				zval_dtor(retval);
				efree(retval);
			}
		} 

		if (parser->data) {
			int i;
			int doprint = 0;

			char *decoded_value;
			int decoded_len;
			
			decoded_value = xml_utf8_decode(s,len,&decoded_len,parser->target_encoding);
			for (i = 0; i < decoded_len; i++) {
				switch (decoded_value[i]) {
				case ' ':
				case '\t':
				case '\n':
					continue;
				default:
					doprint = 1;
					break;
				}
				if (doprint) {
					break;
				}
			}
			if (doprint || (! parser->skipwhite)) {
				if (parser->lastwasopen) {
					zval **myval;
					
					/* check if the current tag already has a value - if yes append to that! */
					if (zend_hash_find((*parser->ctag)->value.ht,"value",sizeof("value"),(void **) &myval) == SUCCESS) {
						int newlen = (*myval)->value.str.len + decoded_len;
						(*myval)->value.str.val = erealloc((*myval)->value.str.val,newlen+1);
						strcpy((*myval)->value.str.val + (*myval)->value.str.len,decoded_value);
						(*myval)->value.str.len += decoded_len;
						efree(decoded_value);
					} else {
						add_assoc_string(*(parser->ctag),"value",decoded_value,0);
					}
					
				} else {
					zval *tag;

					MAKE_STD_ZVAL(tag);
					
					array_init(tag);
					
					_xml_add_to_info(parser,parser->ltags[parser->level-1] + parser->toffset);

					add_assoc_string(tag,"tag",parser->ltags[parser->level-1] + parser->toffset,1);
					add_assoc_string(tag,"value",decoded_value,0);
					add_assoc_string(tag,"type","cdata",1);
					add_assoc_long(tag,"level",parser->level);

					zend_hash_next_index_insert(parser->data->value.ht,&tag,sizeof(zval*),NULL);
				}
			} else {
				efree(decoded_value);
			}
		}
	}
}

/* }}} */
    /* {{{ _xml_processingInstructionHandler() */

void _xml_processingInstructionHandler(void *userData,
											const XML_Char *target,
											const XML_Char *data)
{
	xml_parser *parser = (xml_parser *)userData;

	if (parser && parser->processingInstructionHandler) {
		zval *retval, *args[3];

		args[0] = _xml_resource_zval(parser->index);
		args[1] = _xml_xmlchar_zval(target, 0, parser->target_encoding);
		args[2] = _xml_xmlchar_zval(data, 0, parser->target_encoding);
		if ((retval = xml_call_handler(parser, parser->processingInstructionHandler, 3, args))) {
			zval_dtor(retval);
			efree(retval);
		}
	}
}

/* }}} */
    /* {{{ _xml_defaultHandler() */

void _xml_defaultHandler(void *userData, const XML_Char *s, int len)
{
	xml_parser *parser = (xml_parser *)userData;

	if (parser && parser->defaultHandler) {
		zval *retval, *args[2];

		args[0] = _xml_resource_zval(parser->index);
		args[1] = _xml_xmlchar_zval(s, len, parser->target_encoding);
		if ((retval = xml_call_handler(parser, parser->defaultHandler, 2, args))) {
			zval_dtor(retval);
			efree(retval);
		}
	}
}

/* }}} */
    /* {{{ _xml_unparsedEntityDeclHandler() */

void _xml_unparsedEntityDeclHandler(void *userData,
										 const XML_Char *entityName,
										 const XML_Char *base,
										 const XML_Char *systemId,
										 const XML_Char *publicId,
										 const XML_Char *notationName)
{
	xml_parser *parser = (xml_parser *)userData;

	if (parser && parser->unparsedEntityDeclHandler) {
		zval *retval, *args[6];

		args[0] = _xml_resource_zval(parser->index);
		args[1] = _xml_xmlchar_zval(entityName, 0, parser->target_encoding);
		args[2] = _xml_xmlchar_zval(base, 0, parser->target_encoding);
		args[3] = _xml_xmlchar_zval(systemId, 0, parser->target_encoding);
		args[4] = _xml_xmlchar_zval(publicId, 0, parser->target_encoding);
		args[5] = _xml_xmlchar_zval(notationName, 0, parser->target_encoding);
		if ((retval = xml_call_handler(parser, parser->unparsedEntityDeclHandler, 6, args))) {
			zval_dtor(retval);
			efree(retval);
		}
	}
}

/* }}} */
    /* {{{ _xml_notationDeclHandler() */

void
_xml_notationDeclHandler(void *userData,
							  const XML_Char *notationName,
							  const XML_Char *base,
							  const XML_Char *systemId,
							  const XML_Char *publicId)
{
	xml_parser *parser = (xml_parser *)userData;

	if (parser && parser->notationDeclHandler) {
		zval *retval, *args[5];

		args[0] = _xml_resource_zval(parser->index);
		args[1] = _xml_xmlchar_zval(notationName, 0, parser->target_encoding);
		args[2] = _xml_xmlchar_zval(base, 0, parser->target_encoding);
		args[3] = _xml_xmlchar_zval(systemId, 0, parser->target_encoding);
		args[4] = _xml_xmlchar_zval(publicId, 0, parser->target_encoding);
		if ((retval = xml_call_handler(parser, parser->notationDeclHandler, 5, args))) {
			zval_dtor(retval);
			efree(retval);
		}
	}
}

/* }}} */
    /* {{{ _xml_externalEntityRefHandler() */

int
_xml_externalEntityRefHandler(XML_Parser parserPtr,
								   const XML_Char *openEntityNames,
								   const XML_Char *base,
								   const XML_Char *systemId,
								   const XML_Char *publicId)
{
	xml_parser *parser = XML_GetUserData(parserPtr);
	int ret = 0; /* abort if no handler is set (should be configurable?) */

	if (parser && parser->externalEntityRefHandler) {
		zval *retval, *args[5];

		args[0] = _xml_resource_zval(parser->index);
		args[1] = _xml_xmlchar_zval(openEntityNames, 0, parser->target_encoding);
		args[2] = _xml_xmlchar_zval(base, 0, parser->target_encoding);
		args[3] = _xml_xmlchar_zval(systemId, 0, parser->target_encoding);
		args[4] = _xml_xmlchar_zval(publicId, 0, parser->target_encoding);
		if ((retval = xml_call_handler(parser, parser->externalEntityRefHandler, 5, args))) {
			convert_to_long(retval);
			ret = retval->value.lval;
			efree(retval);
		} else {
			ret = 0;
		}
	}
	return ret;
}

/* }}} */

/* }}} */

/************************* EXTENSION FUNCTIONS *************************/

/* {{{ proto int xml_parser_create(void) 
   Create an XML parser */
PHP_FUNCTION(xml_parser_create)
{
	xml_parser *parser;
	int argc;
	zval **encodingArg;
	XML_Char *encoding;
	char thisfunc[] = "xml_parser_create";
	XMLLS_FETCH();
	
	argc = ZEND_NUM_ARGS();

	if (argc > 1 || zend_get_parameters_ex(argc, &encodingArg) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	if (argc == 1) {
		convert_to_string_ex(encodingArg);
		/* The supported encoding types are hardcoded here because
		 * we are limited to the encodings supported by expat/xmltok.
		 */
		if (strncasecmp((*encodingArg)->value.str.val, "ISO-8859-1",
						(*encodingArg)->value.str.len) == 0) {
			encoding = "ISO-8859-1";
		} else if (strncasecmp((*encodingArg)->value.str.val, "UTF-8",
						(*encodingArg)->value.str.len) == 0) {
			encoding = "UTF-8";
		} else if (strncasecmp((*encodingArg)->value.str.val, "US-ASCII",
						(*encodingArg)->value.str.len) == 0) {
			encoding = "US-ASCII";
		} else { /* UTF-16 not supported */
			php_error(E_WARNING, "%s: unsupported source encoding \"%s\"",
					   thisfunc, (*encodingArg)->value.str.val);
			RETURN_FALSE;
		}
	} else {
		encoding = XML(default_encoding);
	}

	parser = ecalloc(sizeof(xml_parser), 1);
	parser->parser = XML_ParserCreate(encoding);
	parser->target_encoding = encoding;
	parser->case_folding = 1;
	parser->object = NULL;
	XML_SetUserData(parser->parser, parser);

	ZEND_REGISTER_RESOURCE(return_value,parser,le_xml_parser);
	parser->index = return_value->value.lval;
}
/* }}} */

/* {{{ proto int xml_set_object(int pind, object &obj) 
   Set up object which should be used for callbacks */
PHP_FUNCTION(xml_set_object)
{
	xml_parser *parser;
	zval **pind, **mythis;

	if (ZEND_NUM_ARGS() != 2 ||
		zend_get_parameters_ex(2, &pind, &mythis) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	if ((*mythis)->type != IS_OBJECT) {
		php_error(E_WARNING,"arg 2 has wrong type");
		RETURN_FALSE;
	}

	if (! ParameterPassedByReference(ht,2)) {
		php_error(E_WARNING,"arg 2 not passed by reference");
		RETURN_FALSE;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *,pind, -1, "XML Parser", le_xml_parser);

	if (parser->object) {
		zval_del_ref(&parser->object);
	}
	
	parser->object = *mythis;
	zval_add_ref(&parser->object);

	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_element_handler(int pind, string shdl, string ehdl) 
   Set up start and end element handlers */
PHP_FUNCTION(xml_set_element_handler)
{
	xml_parser *parser;
	zval **pind, **shdl, **ehdl;

	if (ZEND_NUM_ARGS() != 3 ||
		zend_get_parameters_ex(3, &pind, &shdl, &ehdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *,pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->startElementHandler, shdl);
	xml_set_handler(&parser->endElementHandler, ehdl);
	XML_SetElementHandler(parser->parser, _xml_startElementHandler, _xml_endElementHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_character_data_handler(int pind, string hdl) 
   Set up character data handler */
PHP_FUNCTION(xml_set_character_data_handler)
{
	xml_parser *parser;
	zval **pind, **hdl;

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &hdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->characterDataHandler, hdl);
	XML_SetCharacterDataHandler(parser->parser, _xml_characterDataHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_processing_instruction_handler(int pind, string hdl) 
   Set up processing instruction (PI) handler */
PHP_FUNCTION(xml_set_processing_instruction_handler)
{
	xml_parser *parser;
	zval **pind, **hdl;

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &hdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->processingInstructionHandler, hdl);
	XML_SetProcessingInstructionHandler(parser->parser, _xml_processingInstructionHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_default_handler(int pind, string hdl) 
   Set up default handler */
PHP_FUNCTION(xml_set_default_handler)
{
	xml_parser *parser;
	zval **pind, **hdl;

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &hdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->defaultHandler, hdl);
	XML_SetDefaultHandler(parser->parser, _xml_defaultHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_unparsed_entity_decl_handler(int pind, string hdl) 
   Set up unparsed entity declaration handler */
PHP_FUNCTION(xml_set_unparsed_entity_decl_handler)
{
	xml_parser *parser;
	zval **pind, **hdl;

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &hdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->unparsedEntityDeclHandler, hdl);
	XML_SetUnparsedEntityDeclHandler(parser->parser, _xml_unparsedEntityDeclHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_notation_decl_handler(int pind, string hdl) 
   Set up notation declaration handler */
PHP_FUNCTION(xml_set_notation_decl_handler)
{
	xml_parser *parser;
	zval **pind, **hdl;

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &hdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->notationDeclHandler, hdl);
	XML_SetNotationDeclHandler(parser->parser, _xml_notationDeclHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_set_external_entity_ref_handler(int pind, string hdl) 
   Set up external entity reference handler */
PHP_FUNCTION(xml_set_external_entity_ref_handler)
{
	xml_parser *parser;
	zval **pind, **hdl;

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &hdl) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	xml_set_handler(&parser->externalEntityRefHandler, hdl);
	XML_SetExternalEntityRefHandler(parser->parser, _xml_externalEntityRefHandler);
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_parse(int pind, string data [, int isFinal]) 
   Start parsing an XML document */
PHP_FUNCTION(xml_parse)
{
	xml_parser *parser;
	zval **pind, **data, **final;
	int argc, isFinal, ret;

	argc = ZEND_NUM_ARGS();
	if (argc < 2 || argc > 3 || zend_get_parameters_ex(argc, &pind, &data, &final) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	convert_to_string_ex(data);

	if (argc == 3) {
		convert_to_long_ex(final);
		isFinal = (*final)->value.lval;
	} else {
		isFinal = 0;
	}

	ret = XML_Parse(parser->parser, (*data)->value.str.val, (*data)->value.str.len, isFinal);
	RETVAL_LONG(ret);
}

/* }}} */
/* {{{ proto int xml_parse_into_struct(int pind, string data, array &struct, array &index) 
   Parsing a XML document */

PHP_FUNCTION(xml_parse_into_struct)
{
	xml_parser *parser;
	zval **pind, **data, **xdata, **info = 0;
	int argc, ret;

	argc = ZEND_NUM_ARGS();
	if (zend_get_parameters_ex(4, &pind, &data, &xdata,&info) == SUCCESS) {
		if (!ParameterPassedByReference(ht, 4)) {
			php_error(E_WARNING, "Array to be filled with values must be passed by reference.");
            RETURN_FALSE;
		}
		zval_dtor(*info);
		array_init(*info);
	} else if (zend_get_parameters_ex(3, &pind, &data, &xdata) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	if (!ParameterPassedByReference(ht, 3)) {
		php_error(E_WARNING, "Array to be filled with values must be passed by reference.");
		RETURN_FALSE;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	convert_to_string_ex(data);
	zval_dtor(*xdata);
	array_init(*xdata);

	parser->data = *xdata;
	if (info)
	  parser->info = *info;
	parser->level = 0;
	parser->ltags = emalloc(XML_MAXLEVEL * sizeof(char *));

	XML_SetDefaultHandler(parser->parser, _xml_defaultHandler);
	XML_SetElementHandler(parser->parser, _xml_startElementHandler, _xml_endElementHandler);
	XML_SetCharacterDataHandler(parser->parser, _xml_characterDataHandler);

	ret = XML_Parse(parser->parser, (*data)->value.str.val, (*data)->value.str.len, 1);

	RETVAL_LONG(ret);
}
/* }}} */

/* {{{ proto int xml_get_error_code(int pind) 
   Get XML parser error code */
PHP_FUNCTION(xml_get_error_code)
{
	xml_parser *parser;
	zval **pind;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &pind) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	RETVAL_LONG((long)XML_GetErrorCode(parser->parser));
}
/* }}} */

/* {{{ proto string xml_error_string(int code)
   Get XML parser error string */
PHP_FUNCTION(xml_error_string)
{
	zval **code;
	char *str;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &code) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	convert_to_long_ex(code);
	str = (char *)XML_ErrorString((int)(*code)->value.lval);
	if (str) {
		RETVAL_STRING(str, 1);
	}
}
/* }}} */

/* {{{ proto int xml_get_current_line_number(int pind) 
   Get current line number for an XML parser */
PHP_FUNCTION(xml_get_current_line_number)
{
	xml_parser *parser;
	zval **pind;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &pind) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	RETVAL_LONG(XML_GetCurrentLineNumber(parser->parser));
}
/* }}} */

/* {{{ proto int xml_get_current_column_number(int pind)
   Get current column number for an XML parser */
PHP_FUNCTION(xml_get_current_column_number)
{
	xml_parser *parser;
	zval **pind;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &pind) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	RETVAL_LONG(XML_GetCurrentColumnNumber(parser->parser));
}
/* }}} */

/* {{{ proto int xml_get_current_byte_index(int pind) 
   Get current byte index for an XML parser */
PHP_FUNCTION(xml_get_current_byte_index)
{
	xml_parser *parser;
	zval **pind;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &pind) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	RETVAL_LONG(XML_GetCurrentByteIndex(parser->parser));
}
/* }}} */

/* {{{ proto int xml_parser_free(int pind) 
   Free an XML parser */
PHP_FUNCTION(xml_parser_free)
{
	zval **pind;
	xml_parser *parser;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &pind) == FAILURE) {
		WRONG_PARAM_COUNT;
	}

	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	if (zend_list_delete(parser->index) == FAILURE) {
		RETURN_FALSE;
	}

	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_parser_set_option(int pind, int option, mixed value) 
   Set options in an XML parser */
PHP_FUNCTION(xml_parser_set_option)
{
	xml_parser *parser;
	zval **pind, **opt, **val;
	char thisfunc[] = "xml_parser_set_option";

	if (ZEND_NUM_ARGS() != 3 || zend_get_parameters_ex(3, &pind, &opt, &val) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	convert_to_long_ex(opt);

	switch ((*opt)->value.lval) {
		case PHP_XML_OPTION_CASE_FOLDING:
			convert_to_long_ex(val);
			parser->case_folding = (*val)->value.lval;
			break;
		case PHP_XML_OPTION_SKIP_TAGSTART:
			convert_to_long_ex(val);
			parser->toffset = (*val)->value.lval;
			break;
		case PHP_XML_OPTION_SKIP_WHITE:
			convert_to_long_ex(val);
			parser->skipwhite = (*val)->value.lval;
			break;
		case PHP_XML_OPTION_TARGET_ENCODING: {
			xml_encoding *enc;
			convert_to_string_ex(val);
			enc = xml_get_encoding((*val)->value.str.val);
			if (enc == NULL) {
				php_error(E_WARNING, "%s: unsupported target encoding \"%s\"",
						   thisfunc, (*val)->value.str.val);
				RETURN_FALSE;
			}
			parser->target_encoding = enc->name;
			break;
		}
		default:
			php_error(E_WARNING, "%s: unknown option", thisfunc);
			RETURN_FALSE;
			break;
	}
	RETVAL_TRUE;
}
/* }}} */

/* {{{ proto int xml_parser_get_option(int pind, int option) 
   Get options from an XML parser */
PHP_FUNCTION(xml_parser_get_option)
{
	xml_parser *parser;
	zval **pind, **opt;
	char thisfunc[] = "xml_parser_get_option";

	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &pind, &opt) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	ZEND_FETCH_RESOURCE(parser,xml_parser *, pind, -1, "XML Parser", le_xml_parser);

	convert_to_long_ex(opt);

	switch ((*opt)->value.lval) {
		case PHP_XML_OPTION_CASE_FOLDING:
			RETURN_LONG(parser->case_folding);
			break;
		case PHP_XML_OPTION_TARGET_ENCODING:
			RETURN_STRING(parser->target_encoding, 1);
			break;
		default:
			php_error(E_WARNING, "%s: unknown option", thisfunc);
			RETURN_FALSE;
			break;
	}
	RETVAL_FALSE;
}
/* }}} */

/* {{{ proto string utf8_encode(string data) 
   Encodes an ISO-8859-1 string to UTF-8 */
PHP_FUNCTION(utf8_encode)
{
	zval **arg;
	XML_Char *encoded;
	int len;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	convert_to_string_ex(arg);
	encoded = xml_utf8_encode((*arg)->value.str.val, (*arg)->value.str.len, &len, "ISO-8859-1");
	if (encoded == NULL) {
		RETURN_FALSE;
	}
	RETVAL_STRINGL(encoded, len, 0);
}
/* }}} */

/* {{{ proto string utf8_decode(string data) 
   Converts a UTF-8 encoded string to ISO-8859-1 */
PHP_FUNCTION(utf8_decode)
{
	zval **arg;
	XML_Char *decoded;
	int len;

	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg) == FAILURE) {
		WRONG_PARAM_COUNT;
	}
	convert_to_string_ex(arg);
	decoded = xml_utf8_decode((*arg)->value.str.val, (*arg)->value.str.len, &len, "ISO-8859-1");
	if (decoded == NULL) {
		RETURN_FALSE;
	}
	RETVAL_STRINGL(decoded, len, 0);
}
/* }}} */

#endif

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 */
