/*
   +----------------------------------------------------------------------+
   | PHP Version 4                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2003 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.0 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_0.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: Christian Stocker <chregu@php.net>                          |
   |          Rob Richards <rrichards@php.net>                            |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "php.h"
#include "php_dom.h"

typedef struct _nodeIterator nodeIterator;
struct _nodeIterator {
	int cur;
	int index;
	xmlNode *node;
};

typedef struct _notationIterator notationIterator;
struct _notationIterator {
	int cur;
	int index;
	xmlNotation *notation;
};

static void itemHashScanner (void *payload, void *data, xmlChar *name) {
	nodeIterator *priv = (nodeIterator *)data;

	if(priv->cur < priv->index) {
		priv->cur++;
	} else {
		if(priv->node == NULL) {
			priv->node = (xmlNode *)payload;
		}
	}
}

/* {{{ static xmlEntityPtr create_notation(const xmlChar *name, 
				const xmlChar *ExternalID, const xmlChar *SystemID) */
static xmlNodePtr create_notation(const xmlChar *name, 
									const xmlChar *ExternalID, const xmlChar *SystemID) {
	xmlEntityPtr ret;

	ret = (xmlEntityPtr) xmlMalloc(sizeof(xmlEntity));
    memset(ret, 0, sizeof(xmlEntity));
    ret->type = XML_NOTATION_NODE;
    ret->name = xmlStrdup(name);
	ret->ExternalID = xmlStrdup(ExternalID);
	ret->SystemID = xmlStrdup(SystemID);
	ret->length = 0;
	ret->content = NULL;
	ret->URI = NULL;
	ret->orig = NULL;
	ret->children = NULL;
	ret->parent = NULL;
	ret->doc = NULL;
	ret->_private = NULL;
	ret->last = NULL;
	ret->prev = NULL;
	return((xmlNodePtr) ret);
}

/*
* class domdocumenttype extends domnode 
*
* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-412266927
* Since: 
*/

zend_function_entry php_dom_documenttype_class_functions[] = {
	{NULL, NULL, NULL}
};

/* {{{ attribute protos, not implemented yet */

/* {{{ proto name	string	
readonly=yes 
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1844763134
Since: 
*/
int dom_documenttype_name_read(dom_object *obj, zval **retval TSRMLS_DC)
{
	xmlDtdPtr dtdptr;

	dtdptr = (xmlDtdPtr) dom_object_get_node(obj);
	ALLOC_ZVAL(*retval);
	ZVAL_STRING(*retval, (char *) (dtdptr->name), 1);

	return SUCCESS;
}

/* }}} */



/* {{{ proto entities	namednodemap	
readonly=yes 
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1788794630
Since: 
*/
int dom_documenttype_entities_read(dom_object *obj, zval **retval TSRMLS_DC)
{
	xmlDtdPtr doctypep;
	xmlHashTable *entityht;
	nodeIterator *iter;
	xmlNode *nodep = NULL;
	int ret, htsize, index = 0;

	doctypep = (xmlDtdPtr) dom_object_get_node(obj);

	ALLOC_ZVAL(*retval);
	array_init(*retval);

	entityht = (xmlHashTable *) doctypep->entities;
	if (entityht) {
		if ((htsize = xmlHashSize(entityht)) > 0) {
			iter = emalloc(sizeof(nodeIterator));
			while (index < htsize) {
				iter->cur = 0;
				iter->index = index;
				iter->node = NULL;
				xmlHashScan(entityht, itemHashScanner, iter);
				index++;
				nodep = iter->node;
				if (nodep != NULL) {
					zval *child;
					MAKE_STD_ZVAL(child);
					child = php_dom_create_object(nodep, &ret, NULL, child, obj TSRMLS_CC);
					add_assoc_zval(*retval, (char *) nodep->name, child);
				}
			}
			efree(iter);
		}
	}
	return SUCCESS;
}

/* }}} */



/* {{{ proto notations	namednodemap	
readonly=yes 
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-D46829EF
Since: 
*/
int dom_documenttype_notations_read(dom_object *obj, zval **retval TSRMLS_DC)
{
	xmlDtdPtr doctypep;
	xmlHashTable *notationht;
	notationIterator *iter;
	xmlNotationPtr notep = NULL;
	xmlNode *nodep = NULL;
	int ret, htsize, index = 0;

	doctypep = (xmlDtdPtr) dom_object_get_node(obj);

	MAKE_STD_ZVAL(*retval);
	array_init(*retval);

	notationht = (xmlHashTable *) doctypep->notations;
	if (notationht) {
		if ((htsize = xmlHashSize(notationht)) > 0) {
			iter = emalloc(sizeof(nodeIterator));
			while (index < htsize) {
				iter->cur = 0;
				iter->index = index;
				iter->notation = NULL;
				xmlHashScan(notationht, itemHashScanner, iter);
				index++;
				notep = iter->notation;
				if (notep != NULL) {
					zval *child;
					nodep = create_notation(notep->name, notep->PublicID, notep->SystemID);
					MAKE_STD_ZVAL(child);
					child = php_dom_create_object(nodep, &ret, NULL, child, obj TSRMLS_CC);
					add_assoc_zval(*retval, (char *) nodep->name, child);
				}
			}
			efree(iter);
		}
	}
	return SUCCESS;
}

/* }}} */



/* {{{ proto public_id	string	
readonly=yes 
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-Core-DocType-publicId
Since: DOM Level 2
*/
int dom_documenttype_public_id_read(dom_object *obj, zval **retval TSRMLS_DC)
{
	xmlDtdPtr dtdptr;

	dtdptr = (xmlDtdPtr) dom_object_get_node(obj);

	ALLOC_ZVAL(*retval);
	if (dtdptr->ExternalID) {
		ZVAL_STRING(*retval, (char *) (dtdptr->ExternalID), 1);
	} else {
		ZVAL_EMPTY_STRING(*retval);
	}
	return SUCCESS;

}

/* }}} */



/* {{{ proto system_id	string	
readonly=yes 
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-Core-DocType-systemId
Since: DOM Level 2
*/
int dom_documenttype_system_id_read(dom_object *obj, zval **retval TSRMLS_DC)
{
	xmlDtdPtr dtdptr;

	dtdptr = (xmlDtdPtr) dom_object_get_node(obj);

	ALLOC_ZVAL(*retval);
	if (dtdptr->SystemID) {
		ZVAL_STRING(*retval, (char *) (dtdptr->ExternalID), 1);
	} else {
		ZVAL_EMPTY_STRING(*retval);
	}
	return SUCCESS;
}

/* }}} */



/* {{{ proto internal_subset	string	
readonly=yes 
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-Core-DocType-internalSubset
Since: DOM Level 2
*/
int dom_documenttype_internal_subset_read(dom_object *obj, zval **retval TSRMLS_DC)
{

	xmlDtdPtr dtdptr;
	xmlDtd *intsubset;
	xmlOutputBuffer *buff = NULL;
	xmlChar *strintsubset;

	dtdptr = (xmlDtdPtr) dom_object_get_node(obj);

	ALLOC_ZVAL(*retval);

	if (dtdptr->doc != NULL && ((intsubset = dtdptr->doc->intSubset) != NULL)) {
		buff = xmlAllocOutputBuffer(NULL);
		if (buff != NULL) {
			xmlNodeDumpOutput (buff, NULL, (xmlNodePtr) intsubset, 0, 0, NULL);
			xmlOutputBufferFlush(buff);
			strintsubset = xmlStrndup(buff->buffer->content, buff->buffer->use);
			(void)xmlOutputBufferClose(buff);
			ZVAL_STRING(*retval, (char *) strintsubset, 1);
			return SUCCESS;
		}
	}

	ZVAL_EMPTY_STRING(*retval);

	return SUCCESS;

}

/* }}} */