/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 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: Christian Stocker <chregu@php.net> |
| Rob Richards <rrichards@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if HAVE_LIBXML && HAVE_DOM
#include "php_dom.h"
#include "dom_ce.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;
}
}
}
/* }}} */
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);
}
/* }}} */
xmlNode *php_dom_libxml_hash_iter(xmlHashTable *ht, int index) /* {{{ */
{
xmlNode *nodep = NULL;
nodeIterator *iter;
int htsize;
if ((htsize = xmlHashSize(ht)) > 0 && index < htsize) {
iter = emalloc(sizeof(nodeIterator));
iter->cur = 0;
iter->index = index;
iter->node = NULL;
xmlHashScan(ht, itemHashScanner, iter);
nodep = iter->node;
efree(iter);
return nodep;
} else {
return NULL;
}
}
/* }}} */
xmlNode *php_dom_libxml_notation_iter(xmlHashTable *ht, int index) /* {{{ */
{
notationIterator *iter;
xmlNotation *notep = NULL;
int htsize;
if ((htsize = xmlHashSize(ht)) > 0 && index < htsize) {
iter = emalloc(sizeof(notationIterator));
iter->cur = 0;
iter->index = index;
iter->notation = NULL;
xmlHashScan(ht, itemHashScanner, iter);
notep = iter->notation;
efree(iter);
return create_notation(notep->name, notep->PublicID, notep->SystemID);
} else {
return NULL;
}
}
/* }}} */
static void php_dom_iterator_dtor(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
php_dom_iterator *iterator = (php_dom_iterator *)iter;
zval_ptr_dtor((zval**)&iterator->intern.data);
if (iterator->curobj) {
zval_ptr_dtor((zval**)&iterator->curobj);
}
efree(iterator);
}
/* }}} */
static int php_dom_iterator_valid(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
php_dom_iterator *iterator = (php_dom_iterator *)iter;
if (iterator->curobj) {
return SUCCESS;
} else {
return FAILURE;
}
}
/* }}} */
static void php_dom_iterator_current_data(zend_object_iterator *iter, zval ***data TSRMLS_DC) /* {{{ */
{
php_dom_iterator *iterator = (php_dom_iterator *)iter;
*data = &iterator->curobj;
}
/* }}} */
static void php_dom_iterator_current_key(zend_object_iterator *iter, zval *key TSRMLS_DC) /* {{{ */
{
php_dom_iterator *iterator = (php_dom_iterator *)iter;
zval *object = (zval *)iterator->intern.data;
if (instanceof_function(Z_OBJCE_P(object), dom_nodelist_class_entry TSRMLS_CC)) {
ZVAL_LONG(key, iter->index);
} else {
dom_object *intern = (dom_object *)zend_object_store_get_object(iterator->curobj TSRMLS_CC);
if (intern != NULL && intern->ptr != NULL) {
xmlNodePtr curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->ptr)->node;
ZVAL_STRINGL(key, (char *) curnode->name, xmlStrlen(curnode->name), 1);
} else {
ZVAL_NULL(key);
}
}
}
/* }}} */
static void php_dom_iterator_move_forward(zend_object_iterator *iter TSRMLS_DC) /* {{{ */
{
zval *curobj, *curattr = NULL;
zval *object;
xmlNodePtr curnode = NULL, basenode;
dom_object *intern;
dom_object *nnmap;
dom_nnodemap_object *objmap;
int ret, previndex=0;
HashTable *nodeht;
zval **entry;
php_dom_iterator *iterator = (php_dom_iterator *)iter;
object = (zval *)iterator->intern.data;
nnmap = (dom_object *)zend_object_store_get_object(object TSRMLS_CC);
objmap = (dom_nnodemap_object *)nnmap->ptr;
curobj = iterator->curobj;
intern = (dom_object *)zend_object_store_get_object(curobj TSRMLS_CC);
if (intern != NULL && intern->ptr != NULL) {
if (objmap->nodetype != XML_ENTITY_NODE &&
objmap->nodetype != XML_NOTATION_NODE) {
if (objmap->nodetype == DOM_NODESET) {
nodeht = HASH_OF(objmap->baseobjptr);
zend_hash_move_forward(nodeht);
if (zend_hash_get_current_data(nodeht, (void **) &entry)==SUCCESS) {
curattr = *entry;
Z_ADDREF_P(curattr);
}
} else {
curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->ptr)->node;
if (objmap->nodetype == XML_ATTRIBUTE_NODE ||
objmap->nodetype == XML_ELEMENT_NODE) {
curnode = curnode->next;
} else {
/* Nav the tree evey time as this is LIVE */
basenode = dom_object_get_node(objmap->baseobj);
if (basenode && (basenode->type == XML_DOCUMENT_NODE ||
basenode->type == XML_HTML_DOCUMENT_NODE)) {
basenode = xmlDocGetRootElement((xmlDoc *) basenode);
} else if (basenode) {
basenode = basenode->children;
} else {
goto err;
}
curnode = dom_get_elements_by_tag_name_ns_raw(basenode, objmap->ns, objmap->local, &previndex, iter->index);
}
}
} else {
if (objmap->nodetype == XML_ENTITY_NODE) {
curnode = php_dom_libxml_hash_iter(objmap->ht, iter->index);
} else {
curnode = php_dom_libxml_notation_iter(objmap->ht, iter->index);
}
}
}
err:
zval_ptr_dtor((zval**)&curobj);
if (curnode) {
MAKE_STD_ZVAL(curattr);
curattr = php_dom_create_object(curnode, &ret, curattr, objmap->baseobj TSRMLS_CC);
}
iterator->curobj = curattr;
}
/* }}} */
zend_object_iterator_funcs php_dom_iterator_funcs = {
php_dom_iterator_dtor,
php_dom_iterator_valid,
php_dom_iterator_current_data,
php_dom_iterator_current_key,
php_dom_iterator_move_forward,
NULL
};
zend_object_iterator *php_dom_get_iterator(zend_class_entry *ce, zval *object, int by_ref TSRMLS_DC) /* {{{ */
{
dom_object *intern;
dom_nnodemap_object *objmap;
xmlNodePtr nodep, curnode=NULL;
zval *curattr = NULL;
int ret, curindex = 0;
HashTable *nodeht;
zval **entry;
php_dom_iterator *iterator;
if (by_ref) {
zend_error(E_ERROR, "An iterator cannot be used with foreach by reference");
}
iterator = emalloc(sizeof(php_dom_iterator));
Z_ADDREF_P(object);
iterator->intern.data = (void*)object;
iterator->intern.funcs = &php_dom_iterator_funcs;
intern = (dom_object *)zend_object_store_get_object(object TSRMLS_CC);
objmap = (dom_nnodemap_object *)intern->ptr;
if (objmap != NULL) {
if (objmap->nodetype != XML_ENTITY_NODE &&
objmap->nodetype != XML_NOTATION_NODE) {
if (objmap->nodetype == DOM_NODESET) {
nodeht = HASH_OF(objmap->baseobjptr);
zend_hash_internal_pointer_reset(nodeht);
if (zend_hash_get_current_data(nodeht, (void **) &entry)==SUCCESS) {
curattr = *entry;
Z_ADDREF_P(curattr);
}
} else {
nodep = (xmlNode *)dom_object_get_node(objmap->baseobj);
if (!nodep) {
goto err;
}
if (objmap->nodetype == XML_ATTRIBUTE_NODE || objmap->nodetype == XML_ELEMENT_NODE) {
if (objmap->nodetype == XML_ATTRIBUTE_NODE) {
curnode = (xmlNodePtr) nodep->properties;
} else {
curnode = (xmlNodePtr) nodep->children;
}
} else {
if (nodep->type == XML_DOCUMENT_NODE || nodep->type == XML_HTML_DOCUMENT_NODE) {
nodep = xmlDocGetRootElement((xmlDoc *) nodep);
} else {
nodep = nodep->children;
}
curnode = dom_get_elements_by_tag_name_ns_raw(nodep, objmap->ns, objmap->local, &curindex, 0);
}
}
} else {
if (objmap->nodetype == XML_ENTITY_NODE) {
curnode = php_dom_libxml_hash_iter(objmap->ht, 0);
} else {
curnode = php_dom_libxml_notation_iter(objmap->ht, 0);
}
}
}
err:
if (curnode) {
MAKE_STD_ZVAL(curattr);
curattr = php_dom_create_object(curnode, &ret, curattr, objmap->baseobj TSRMLS_CC);
}
iterator->curobj = curattr;
return (zend_object_iterator*)iterator;
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/