text: /*
     +----------------------------------------------------------------------+
     | PHP Version 5                                                        |
     +----------------------------------------------------------------------+
     | Copyright (c) 1997-2015 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: Marcus Boerger <helly@php.net>                              |
     +----------------------------------------------------------------------+
   */
  
  /* $Id$ */
  
  #ifdef HAVE_CONFIG_H
  # include "config.h"
  #endif
  
  #include "php.h"
  #include "php_ini.h"
  #include "ext/standard/info.h"
  #include "zend_interfaces.h"
  
  #include "ext/spl/php_spl.h"
  #include "ext/spl/spl_iterators.h"
  #include "sxe.h"
  
  zend_class_entry *ce_SimpleXMLIterator = NULL;
  zend_class_entry *ce_SimpleXMLElement;
  
  #include "php_simplexml_exports.h"
  
  /* {{{ proto void SimpleXMLIterator::rewind()
   Rewind to first element */
  PHP_METHOD(ce_SimpleXMLIterator, rewind)
  {
  	php_sxe_iterator iter;
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	iter.sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	ce_SimpleXMLElement->iterator_funcs.funcs->rewind((zend_object_iterator*)&iter TSRMLS_CC);
  }
  /* }}} */
  
  /* {{{ proto bool SimpleXMLIterator::valid()
   Check whether iteration is valid */
  PHP_METHOD(ce_SimpleXMLIterator, valid)
  {
  	php_sxe_object *sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	RETURN_BOOL(sxe->iter.data);
  }
  /* }}} */
  
  /* {{{ proto SimpleXMLIterator SimpleXMLIterator::current()
   Get current element */
  PHP_METHOD(ce_SimpleXMLIterator, current)
  {
  	php_sxe_object *sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	if (!sxe->iter.data) {
  		return; /* return NULL */
  	}
  
  	RETURN_ZVAL(sxe->iter.data, 1, 0);
  }
  /* }}} */
  
  /* {{{ proto string SimpleXMLIterator::key()
   Get name of current child element */
  PHP_METHOD(ce_SimpleXMLIterator, key)
  {
  	xmlNodePtr curnode;
  	php_sxe_object *intern;
  	php_sxe_object *sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	if (!sxe->iter.data) {
  		RETURN_FALSE;
  	}
  
  	intern = (php_sxe_object *)zend_object_store_get_object(sxe->iter.data TSRMLS_CC);
  	if (intern != NULL && intern->node != NULL) {
  		curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->node)->node;
  		RETURN_STRINGL((char*)curnode->name, xmlStrlen(curnode->name), 1);
  	}
      
  	RETURN_FALSE;
  }
  /* }}} */
  
  /* {{{ proto void SimpleXMLIterator::next()
   Move to next element */
  PHP_METHOD(ce_SimpleXMLIterator, next)
  {
  	php_sxe_iterator iter;
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	iter.sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	ce_SimpleXMLElement->iterator_funcs.funcs->move_forward((zend_object_iterator*)&iter TSRMLS_CC);
  }
  /* }}} */
  
  /* {{{ proto bool SimpleXMLIterator::hasChildren()
   Check whether element has children (elements) */ 
  PHP_METHOD(ce_SimpleXMLIterator, hasChildren)
  {
  	php_sxe_object *sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	php_sxe_object *child;
  	xmlNodePtr      node;
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	if (!sxe->iter.data || sxe->iter.type == SXE_ITER_ATTRLIST) {
  		RETURN_FALSE;
  	}
  	child = php_sxe_fetch_object(sxe->iter.data TSRMLS_CC);
  
  	GET_NODE(child, node);
  	if (node) {
  		node = node->children;
  	}
  	while (node && node->type != XML_ELEMENT_NODE) {
  		node = node->next;
  	}
  	RETURN_BOOL(node ? 1 : 0);
  }
  /* }}} */
  
  /* {{{ proto SimpleXMLIterator SimpleXMLIterator::getChildren()
   Get child element iterator */ 
  PHP_METHOD(ce_SimpleXMLIterator, getChildren)
  {
  	php_sxe_object *sxe = php_sxe_fetch_object(getThis() TSRMLS_CC);
  	
  	if (zend_parse_parameters_none() == FAILURE) {
  		return;
  	}
  
  	if (!sxe->iter.data || sxe->iter.type == SXE_ITER_ATTRLIST) {
  		return; /* return NULL */
  	}
  	RETURN_ZVAL(sxe->iter.data, 1, 0);
  }
  
  /* {{{ arginfo */
  ZEND_BEGIN_ARG_INFO(arginfo_simplexmliterator__void, 0)
  ZEND_END_ARG_INFO()
  /* }}} */
  
  static const zend_function_entry funcs_SimpleXMLIterator[] = {
  	PHP_ME(ce_SimpleXMLIterator, rewind,                 arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	PHP_ME(ce_SimpleXMLIterator, valid,                  arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	PHP_ME(ce_SimpleXMLIterator, current,                arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	PHP_ME(ce_SimpleXMLIterator, key,                    arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	PHP_ME(ce_SimpleXMLIterator, next,                   arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	PHP_ME(ce_SimpleXMLIterator, hasChildren,            arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	PHP_ME(ce_SimpleXMLIterator, getChildren,            arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
  	{NULL, NULL, NULL}
  };
  /* }}} */
  
  PHP_MINIT_FUNCTION(sxe) /* {{{ */
  {
  	zend_class_entry **pce;
  	zend_class_entry sxi;
  
  	if (zend_hash_find(CG(class_table), "simplexmlelement", sizeof("SimpleXMLElement"), (void **) &pce) == FAILURE) {
  		ce_SimpleXMLElement  = NULL;
  		ce_SimpleXMLIterator = NULL;
  		return SUCCESS; /* SimpleXML must be initialized before */
  	}
  
  	ce_SimpleXMLElement = *pce;
  
  	INIT_CLASS_ENTRY_EX(sxi, "SimpleXMLIterator", strlen("SimpleXMLIterator"), funcs_SimpleXMLIterator);
  	ce_SimpleXMLIterator = zend_register_internal_class_ex(&sxi, ce_SimpleXMLElement, NULL TSRMLS_CC);
  	ce_SimpleXMLIterator->create_object = ce_SimpleXMLElement->create_object;
  
  	zend_class_implements(ce_SimpleXMLIterator TSRMLS_CC, 1, spl_ce_RecursiveIterator);
  	zend_class_implements(ce_SimpleXMLIterator TSRMLS_CC, 1, spl_ce_Countable);
  
  	return SUCCESS;
  }
  /* }}} */
  
  /*
   * Local variables:
   * tab-width: 4
   * c-basic-offset: 4
   * End:
   * vim600: fdm=marker
   * vim: noet sw=4 ts=4
   */
  