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author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-03-14 05:42:27 +0000 |
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committer | <> | 2013-04-03 16:25:08 +0000 |
commit | c4dd7a1a684490673e25aaf4fabec5df138854c4 (patch) | |
tree | 4d57c44caae4480efff02b90b9be86f44bf25409 /ext/dom/dom_iterators.c | |
download | php2-master.tar.gz |
Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master
Diffstat (limited to 'ext/dom/dom_iterators.c')
-rw-r--r-- | ext/dom/dom_iterators.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/ext/dom/dom_iterators.c b/ext/dom/dom_iterators.c new file mode 100644 index 0000000..f4183d2 --- /dev/null +++ b/ext/dom/dom_iterators.c @@ -0,0 +1,351 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 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 int php_dom_iterator_current_key(zend_object_iterator *iter, char **str_key, uint *str_key_len, ulong *int_key TSRMLS_DC) /* {{{ */ +{ + zval *curobj; + xmlNodePtr curnode = NULL; + dom_object *intern; + zval *object; + int namelen; + + php_dom_iterator *iterator = (php_dom_iterator *)iter; + + object = (zval *)iterator->intern.data; + + if (instanceof_function(Z_OBJCE_P(object), dom_nodelist_class_entry TSRMLS_CC)) { + *int_key = iter->index; + return HASH_KEY_IS_LONG; + } else { + curobj = iterator->curobj; + + intern = (dom_object *)zend_object_store_get_object(curobj TSRMLS_CC); + if (intern != NULL && intern->ptr != NULL) { + curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->ptr)->node; + } else { + return HASH_KEY_NON_EXISTANT; + } + + namelen = xmlStrlen(curnode->name); + *str_key = estrndup(curnode->name, namelen); + *str_key_len = namelen + 1; + return HASH_KEY_IS_STRING; + } +} +/* }}} */ + +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 + */ |