archive/php-src
1
0
Fork 0
mirror of https://github.com/php/php-src.git synced 2025-08-16 05:58:45 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 3
php-src/ext/simplexml/simplexml.c
Niels Dossche 0d9b039568
Merge branch 'PHP-8.3' 
* PHP-8.3:
  Fix GH-15837: Segmentation fault in ext/simplexml/simplexml.c
2024-09-11 20:40:01 +02:00

2702 lines
71 KiB
C
Raw Blame History

/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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: Sterling Hughes <sterling@php.net> |
| Marcus Boerger <helly@php.net> |
| Rob Richards <rrichards@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "php.h"
#if defined(HAVE_LIBXML) && defined(HAVE_SIMPLEXML)
#include "ext/standard/info.h"
#include "ext/standard/php_string.h" /* For php_trim() */
#include "php_simplexml.h"
#include "php_simplexml_exports.h"
#include "simplexml_arginfo.h"
#include "zend_exceptions.h"
#include "zend_interfaces.h"
#include "ext/spl/spl_iterators.h"
PHP_SXE_API zend_class_entry *ce_SimpleXMLIterator;
PHP_SXE_API zend_class_entry *ce_SimpleXMLElement;
PHP_SXE_API zend_class_entry *sxe_get_element_class_entry(void) /* {{{ */
{
return ce_SimpleXMLElement;
}
/* }}} */
static php_sxe_object* php_sxe_object_new(zend_class_entry *ce, zend_function *fptr_count);
static xmlNodePtr php_sxe_reset_iterator(php_sxe_object *sxe);
static xmlNodePtr php_sxe_reset_iterator_no_clear_iter_data(php_sxe_object *sxe, int use_data);
static xmlNodePtr php_sxe_iterator_fetch(php_sxe_object *sxe, xmlNodePtr node, int use_data);
static void php_sxe_iterator_dtor(zend_object_iterator *iter);
static zend_result php_sxe_iterator_valid(zend_object_iterator *iter);
static zval *php_sxe_iterator_current_data(zend_object_iterator *iter);
static void php_sxe_iterator_current_key(zend_object_iterator *iter, zval *key);
static void php_sxe_iterator_move_forward(zend_object_iterator *iter);
static void php_sxe_iterator_rewind(zend_object_iterator *iter);
static zend_result sxe_object_cast_ex(zend_object *readobj, zval *writeobj, int type);
/* {{{ node_as_zval() */
static void node_as_zval(php_sxe_object *sxe, xmlNodePtr node, zval *value, SXE_ITER itertype, zend_string *name, zend_string *nsprefix, int isprefix)
{
php_sxe_object *subnode;
subnode = php_sxe_object_new(sxe->zo.ce, sxe->fptr_count);
subnode->document = sxe->document;
subnode->document->refcount++;
subnode->iter.type = itertype;
if (name) {
subnode->iter.name = zend_string_copy(name);
}
if (nsprefix && *ZSTR_VAL(nsprefix)) {
subnode->iter.nsprefix = zend_string_copy(nsprefix);
subnode->iter.isprefix = isprefix;
}
php_libxml_increment_node_ptr((php_libxml_node_object *)subnode, node, NULL);
ZVAL_OBJ(value, &subnode->zo);
}
/* }}} */
static void node_as_zval_str(php_sxe_object *sxe, xmlNodePtr node, zval *value, SXE_ITER itertype, const xmlChar *name, const xmlChar *nsprefix, int isprefix)
{
zend_string *name_str = zend_string_init((const char *) name, strlen((const char *) name), false);
zend_string *ns_str = nsprefix ? zend_string_init((const char *) nsprefix, strlen((const char *) nsprefix), false) : NULL;
node_as_zval(sxe, node, value, itertype, name_str, ns_str, isprefix);
zend_string_release_ex(name_str, false);
if (ns_str) {
zend_string_release_ex(ns_str, false);
}
}
static xmlNodePtr php_sxe_get_first_node_non_destructive(php_sxe_object *sxe, xmlNodePtr node)
{
if (sxe && sxe->iter.type != SXE_ITER_NONE) {
return php_sxe_reset_iterator_no_clear_iter_data(sxe, false);
} else {
return node;
}
}
static inline int match_ns(xmlNodePtr node, const zend_string *name, int prefix) /* {{{ */
{
if (name == NULL && (node->ns == NULL || node->ns->prefix == NULL)) {
return 1;
}
if (node->ns && xmlStrEqual(prefix ? node->ns->prefix : node->ns->href, name ? BAD_CAST ZSTR_VAL(name) : NULL)) {
return 1;
}
return 0;
}
/* }}} */
static xmlNodePtr sxe_get_element_by_offset(php_sxe_object *sxe, zend_long offset, xmlNodePtr node, zend_long *cnt) /* {{{ */
{
zend_long nodendx = 0;
if (sxe->iter.type == SXE_ITER_NONE) {
if (offset == 0) {
if (cnt) {
*cnt = 0;
}
return node;
} else {
return NULL;
}
}
while (node && nodendx <= offset) {
if (node->type == XML_ELEMENT_NODE && match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (sxe->iter.type == SXE_ITER_CHILD || (
sxe->iter.type == SXE_ITER_ELEMENT && xmlStrEqual(node->name, BAD_CAST ZSTR_VAL(sxe->iter.name)))) {
if (nodendx == offset) {
break;
}
nodendx++;
}
}
node = node->next;
}
if (cnt) {
*cnt = nodendx;
}
return node;
}
/* }}} */
static xmlNodePtr sxe_find_element_by_name(php_sxe_object *sxe, xmlNodePtr node, const zend_string *name) /* {{{ */
{
const xmlChar *raw_name = BAD_CAST ZSTR_VAL(name);
while (node) {
if (node->type == XML_ELEMENT_NODE && match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (xmlStrEqual(node->name, raw_name)) {
return node;
}
}
node = node->next;
}
return NULL;
} /* }}} */
static xmlNodePtr sxe_get_element_by_name(php_sxe_object *sxe, xmlNodePtr node, char *name, SXE_ITER *type) /* {{{ */
{
int orgtype;
xmlNodePtr orgnode = node;
if (sxe->iter.type != SXE_ITER_ATTRLIST)
{
orgtype = sxe->iter.type;
if (sxe->iter.type == SXE_ITER_NONE) {
sxe->iter.type = SXE_ITER_CHILD;
}
node = php_sxe_get_first_node_non_destructive(sxe, node);
sxe->iter.type = orgtype;
}
if (sxe->iter.type == SXE_ITER_ELEMENT) {
orgnode = sxe_find_element_by_name(sxe, node, sxe->iter.name);
if (!orgnode) {
return NULL;
}
node = orgnode->children;
}
while (node) {
if (node->type == XML_ELEMENT_NODE && match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (xmlStrEqual(node->name, (xmlChar *)name)) {
*type = SXE_ITER_ELEMENT;
return orgnode;
}
}
node = node->next;
}
return NULL;
}
/* }}} */
/* {{{ sxe_prop_dim_read() */
static zval *sxe_prop_dim_read(zend_object *object, zval *member, bool elements, bool attribs, int type, zval *rv)
{
php_sxe_object *sxe;
zend_string *name;
xmlNodePtr node;
xmlAttrPtr attr = NULL;
zval tmp_zv;
int nodendx = 0;
int test = 0;
sxe = php_sxe_fetch_object(object);
if (!member) {
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
/* This happens when the user did: $sxe[]->foo = $value */
zend_throw_error(NULL, "Cannot create unnamed attribute");
return &EG(uninitialized_zval);
}
goto long_dim;
} else {
ZVAL_DEREF(member);
if (Z_TYPE_P(member) == IS_LONG) {
if (sxe->iter.type != SXE_ITER_ATTRLIST) {
long_dim:
attribs = 0;
elements = 1;
}
name = NULL;
} else {
if (Z_TYPE_P(member) != IS_STRING) {
zend_string *str = zval_try_get_string_func(member);
if (UNEXPECTED(!str)) {
return &EG(uninitialized_zval);
}
ZVAL_STR(&tmp_zv, str);
member = &tmp_zv;
}
name = Z_STR_P(member);
}
}
GET_NODE(sxe, node);
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
attribs = 1;
elements = 0;
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = (xmlAttrPtr)node;
test = sxe->iter.name != NULL;
} else if (sxe->iter.type != SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = node ? node->properties : NULL;
test = 0;
if (!member && node && node->parent &&
node->parent->type == XML_DOCUMENT_NODE) {
/* This happens when the user did: $sxe[]->foo = $value */
zend_throw_error(NULL, "Cannot create unnamed attribute");
return &EG(uninitialized_zval);
}
}
ZVAL_UNDEF(rv);
if (node) {
if (attribs) {
if (Z_TYPE_P(member) != IS_LONG || sxe->iter.type == SXE_ITER_ATTRLIST) {
if (Z_TYPE_P(member) == IS_LONG) {
while (attr && nodendx <= Z_LVAL_P(member)) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (nodendx == Z_LVAL_P(member)) {
node_as_zval(sxe, (xmlNodePtr) attr, rv, SXE_ITER_NONE, NULL, sxe->iter.nsprefix, sxe->iter.isprefix);
break;
}
nodendx++;
}
attr = attr->next;
}
} else {
while (attr) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(name)) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
node_as_zval(sxe, (xmlNodePtr) attr, rv, SXE_ITER_NONE, NULL, sxe->iter.nsprefix, sxe->iter.isprefix);
break;
}
attr = attr->next;
}
}
}
}
if (elements) {
if (!sxe->node) {
php_libxml_increment_node_ptr((php_libxml_node_object *)sxe, node, NULL);
}
if (!member || Z_TYPE_P(member) == IS_LONG) {
zend_long cnt = 0;
xmlNodePtr mynode = node;
if (sxe->iter.type == SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
if (sxe->iter.type == SXE_ITER_NONE) {
if (member && Z_LVAL_P(member) > 0) {
php_error_docref(NULL, E_WARNING, "Cannot add element %s number " ZEND_LONG_FMT " when only 0 such elements exist", mynode->name, Z_LVAL_P(member));
}
} else if (member) {
node = sxe_get_element_by_offset(sxe, Z_LVAL_P(member), node, &cnt);
} else {
node = NULL;
}
if (node) {
node_as_zval(sxe, node, rv, SXE_ITER_NONE, NULL, sxe->iter.nsprefix, sxe->iter.isprefix);
} else if (type == BP_VAR_W || type == BP_VAR_RW) {
if (member && cnt < Z_LVAL_P(member)) {
php_error_docref(NULL, E_WARNING, "Cannot add element %s number " ZEND_LONG_FMT " when only " ZEND_LONG_FMT " such elements exist", mynode->name, Z_LVAL_P(member), cnt);
}
node = xmlNewTextChild(mynode->parent, mynode->ns, mynode->name, NULL);
node_as_zval(sxe, node, rv, SXE_ITER_NONE, NULL, sxe->iter.nsprefix, sxe->iter.isprefix);
}
} else {
/* In BP_VAR_IS mode only return a proper node if it actually exists. */
if (type != BP_VAR_IS || sxe_find_element_by_name(sxe, node->children, name)) {
node_as_zval(sxe, node, rv, SXE_ITER_ELEMENT, name, sxe->iter.nsprefix, sxe->iter.isprefix);
}
}
}
}
if (member == &tmp_zv) {
zval_ptr_dtor_str(&tmp_zv);
}
if (Z_ISUNDEF_P(rv)) {
ZVAL_NULL(rv);
}
return rv;
}
/* }}} */
/* {{{ sxe_property_read() */
static zval *sxe_property_read(zend_object *object, zend_string *name, int type, void **cache_slot, zval *rv)
{
zval member;
ZVAL_STR(&member, name);
return sxe_prop_dim_read(object, &member, 1, 0, type, rv);
}
/* }}} */
/* {{{ sxe_dimension_read() */
static zval *sxe_dimension_read(zend_object *object, zval *offset, int type, zval *rv)
{
return sxe_prop_dim_read(object, offset, 0, 1, type, rv);
}
/* }}} */
/* {{{ change_node_zval() */
static void change_node_zval(xmlNodePtr node, zend_string *value)
{
xmlChar *buffer = xmlEncodeEntitiesReentrant(node->doc, (xmlChar *)ZSTR_VAL(value));
/* check for NULL buffer in case of memory error in xmlEncodeEntitiesReentrant */
if (buffer) {
xmlNodeSetContent(node, buffer);
xmlFree(buffer);
}
}
/* }}} */
/* {{{ sxe_property_write() */
static zval *sxe_prop_dim_write(zend_object *object, zval *member, zval *value, bool elements, bool attribs, xmlNodePtr *pnewnode)
{
php_sxe_object *sxe;
xmlNodePtr node;
xmlNodePtr newnode = NULL;
xmlNodePtr mynode;
xmlNodePtr tempnode;
xmlAttrPtr attr = NULL;
int counter = 0;
int is_attr = 0;
int nodendx = 0;
int test = 0;
zend_long cnt = 0;
zval tmp_zv;
zend_string *trim_str;
zend_string *value_str = NULL;
sxe = php_sxe_fetch_object(object);
if (!member) {
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
/* This happens when the user did: $sxe[] = $value
* and could also be E_PARSE, but we use this only during parsing
* and this is during runtime.
*/
zend_throw_error(NULL, "Cannot append to an attribute list");
return &EG(error_zval);
}
goto long_dim;
} else {
ZVAL_DEREF(member);
if (Z_TYPE_P(member) == IS_LONG) {
if (sxe->iter.type != SXE_ITER_ATTRLIST) {
long_dim:
attribs = 0;
elements = 1;
}
} else {
if (Z_TYPE_P(member) != IS_STRING) {
trim_str = zval_try_get_string_func(member);
if (UNEXPECTED(!trim_str)) {
return &EG(error_zval);
}
ZVAL_STR(&tmp_zv, php_trim(trim_str, NULL, 0, 3));
zend_string_release_ex(trim_str, 0);
member = &tmp_zv;
}
if (!Z_STRLEN_P(member)) {
zend_value_error("Cannot create %s with an empty name", attribs ? "attribute" : "element");
if (member == &tmp_zv) {
zval_ptr_dtor_str(&tmp_zv);
}
return &EG(error_zval);
}
}
}
GET_NODE(sxe, node);
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
attribs = 1;
elements = 0;
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = (xmlAttrPtr)node;
test = sxe->iter.name != NULL;
} else if (sxe->iter.type != SXE_ITER_CHILD) {
mynode = node;
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = node ? node->properties : NULL;
test = 0;
if (!member && node && node->parent &&
node->parent->type == XML_DOCUMENT_NODE) {
/* This happens when the user did: $sxe[] = $value
* and could also be E_PARSE, but we use this only during parsing
* and this is during runtime.
*/
zend_value_error("Cannot append to an attribute list");
return &EG(error_zval);
}
if (attribs && !node && sxe->iter.type == SXE_ITER_ELEMENT) {
node = xmlNewChild(mynode, mynode->ns, BAD_CAST ZSTR_VAL(sxe->iter.name), NULL);
attr = node->properties;
}
}
mynode = node;
if (value) {
switch (Z_TYPE_P(value)) {
case IS_LONG:
case IS_FALSE:
case IS_TRUE:
case IS_DOUBLE:
case IS_NULL:
case IS_STRING:
value_str = zval_get_string(value);
break;
case IS_OBJECT:
if (Z_OBJCE_P(value) == ce_SimpleXMLElement) {
zval zval_copy;
zend_result rv = sxe_object_cast_ex(Z_OBJ_P(value), &zval_copy, IS_STRING);
ZEND_IGNORE_VALUE(rv);
ZEND_ASSERT(rv == SUCCESS);
value_str = Z_STR(zval_copy);
break;
}
ZEND_FALLTHROUGH;
default:
if (member == &tmp_zv) {
zval_ptr_dtor_str(&tmp_zv);
}
zend_type_error("It's not possible to assign a complex type to %s, %s given", attribs ? "attributes" : "properties", zend_zval_value_name(value));
return &EG(error_zval);
}
}
if (node) {
php_libxml_invalidate_node_list_cache_from_doc(node->doc);
if (attribs) {
if (Z_TYPE_P(member) == IS_LONG) {
while (attr && nodendx <= Z_LVAL_P(member)) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (nodendx == Z_LVAL_P(member)) {
is_attr = 1;
++counter;
break;
}
nodendx++;
}
attr = attr->next;
}
} else {
while (attr) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && xmlStrEqual(attr->name, (xmlChar *)Z_STRVAL_P(member)) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
is_attr = 1;
++counter;
break;
}
attr = attr->next;
}
}
}
if (elements) {
if (!member || Z_TYPE_P(member) == IS_LONG) {
if (node->type == XML_ATTRIBUTE_NODE) {
zend_throw_error(NULL, "Cannot create duplicate attribute");
if (value_str) {
zend_string_release(value_str);
}
return &EG(error_zval);
}
if (sxe->iter.type == SXE_ITER_NONE) {
newnode = node;
++counter;
if (member && Z_LVAL_P(member) > 0) {
php_error_docref(NULL, E_WARNING, "Cannot add element %s number " ZEND_LONG_FMT " when only 0 such elements exist", mynode->name, Z_LVAL_P(member));
value = &EG(error_zval);
}
} else if (member) {
newnode = sxe_get_element_by_offset(sxe, Z_LVAL_P(member), node, &cnt);
if (newnode) {
++counter;
}
}
} else {
node = node->children;
while (node) {
SKIP_TEXT(node);
if (xmlStrEqual(node->name, (xmlChar *)Z_STRVAL_P(member)) && match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix)) {
newnode = node;
++counter;
}
next_iter:
node = node->next;
}
}
}
if (counter == 1) {
if (is_attr) {
newnode = (xmlNodePtr) attr;
}
if (value_str) {
while ((tempnode = (xmlNodePtr) newnode->children)) {
xmlUnlinkNode(tempnode);
php_libxml_node_free_resource((xmlNodePtr) tempnode);
}
change_node_zval(newnode, value_str);
}
} else if (counter > 1) {
php_error_docref(NULL, E_WARNING, "Cannot assign to an array of nodes (duplicate subnodes or attr detected)");
value = &EG(error_zval);
} else if (elements) {
if (!node) {
if (!member || Z_TYPE_P(member) == IS_LONG) {
newnode = xmlNewTextChild(mynode->parent, mynode->ns, mynode->name, value_str ? (xmlChar *)ZSTR_VAL(value_str) : NULL);
} else {
newnode = xmlNewTextChild(mynode, mynode->ns, (xmlChar *)Z_STRVAL_P(member), value_str ? (xmlChar *)ZSTR_VAL(value_str) : NULL);
}
} else if (!member || Z_TYPE_P(member) == IS_LONG) {
if (member && cnt < Z_LVAL_P(member)) {
php_error_docref(NULL, E_WARNING, "Cannot add element %s number " ZEND_LONG_FMT " when only " ZEND_LONG_FMT " such elements exist", mynode->name, Z_LVAL_P(member), cnt);
}
newnode = xmlNewTextChild(mynode->parent, mynode->ns, mynode->name, value_str ? (xmlChar *)ZSTR_VAL(value_str) : NULL);
}
} else if (attribs) {
if (Z_TYPE_P(member) == IS_LONG) {
php_error_docref(NULL, E_WARNING, "Cannot change attribute number " ZEND_LONG_FMT " when only %d attributes exist", Z_LVAL_P(member), nodendx);
} else {
newnode = (xmlNodePtr)xmlNewProp(node, (xmlChar *)Z_STRVAL_P(member), value_str ? (xmlChar *)ZSTR_VAL(value_str) : NULL);
}
}
}
if (member == &tmp_zv) {
zval_ptr_dtor_str(&tmp_zv);
}
if (pnewnode) {
*pnewnode = newnode;
}
if (value_str) {
zend_string_release(value_str);
}
return value;
}
/* }}} */
/* {{{ sxe_property_write() */
static zval *sxe_property_write(zend_object *object, zend_string *name, zval *value, void **cache_slot)
{
zval member;
ZVAL_STR(&member, name);
zval *retval = sxe_prop_dim_write(object, &member, value, 1, 0, NULL);
return retval == &EG(error_zval) ? &EG(uninitialized_zval) : retval;
}
/* }}} */
/* {{{ sxe_dimension_write() */
static void sxe_dimension_write(zend_object *object, zval *offset, zval *value)
{
sxe_prop_dim_write(object, offset, value, 0, 1, NULL);
}
/* }}} */
static zval *sxe_property_get_adr(zend_object *object, zend_string *zname, int fetch_type, void **cache_slot) /* {{{ */
{
php_sxe_object *sxe;
xmlNodePtr node;
zval ret;
char *name;
SXE_ITER type;
zval member;
sxe = php_sxe_fetch_object(object);
GET_NODE(sxe, node);
if (UNEXPECTED(!node)) {
return &EG(error_zval);
}
name = ZSTR_VAL(zname);
node = sxe_get_element_by_name(sxe, node, name, &type);
if (node) {
return NULL;
}
ZVAL_STR(&member, zname);
if (sxe_prop_dim_write(object, &member, NULL, 1, 0, &node) == &EG(error_zval)) {
return &EG(error_zval);
}
type = SXE_ITER_NONE;
node_as_zval(sxe, node, &ret, type, NULL, sxe->iter.nsprefix, sxe->iter.isprefix);
if (!Z_ISUNDEF(sxe->tmp)) {
zval_ptr_dtor(&sxe->tmp);
}
ZVAL_COPY_VALUE(&sxe->tmp, &ret);
return &sxe->tmp;
}
/* }}} */
/* {{{ sxe_prop_dim_exists() */
static int sxe_prop_dim_exists(zend_object *object, zval *member, int check_empty, bool elements, bool attribs)
{
php_sxe_object *sxe;
xmlNodePtr node;
xmlAttrPtr attr = NULL;
int exists = 0;
int test = 0;
zval tmp_zv;
if (Z_TYPE_P(member) != IS_STRING && Z_TYPE_P(member) != IS_LONG) {
zend_string *str = zval_try_get_string_func(member);
if (UNEXPECTED(!str)) {
return 0;
}
ZVAL_STR(&tmp_zv, str);
member = &tmp_zv;
}
sxe = php_sxe_fetch_object(object);
GET_NODE(sxe, node);
if (Z_TYPE_P(member) == IS_LONG) {
if (sxe->iter.type != SXE_ITER_ATTRLIST) {
attribs = 0;
elements = 1;
if (sxe->iter.type == SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
}
}
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
attribs = 1;
elements = 0;
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = (xmlAttrPtr)node;
test = sxe->iter.name != NULL;
} else if (sxe->iter.type != SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = node ? node->properties : NULL;
test = 0;
}
if (node) {
if (attribs) {
if (Z_TYPE_P(member) == IS_LONG) {
int nodendx = 0;
while (attr && nodendx <= Z_LVAL_P(member)) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (nodendx == Z_LVAL_P(member)) {
exists = 1;
break;
}
nodendx++;
}
attr = attr->next;
}
} else {
while (attr) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && xmlStrEqual(attr->name, (xmlChar *)Z_STRVAL_P(member)) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
exists = 1;
break;
}
attr = attr->next;
}
}
if (exists && check_empty == 1 &&
(!attr->children || !attr->children->content || !attr->children->content[0] || xmlStrEqual(attr->children->content, (const xmlChar *) "0")) ) {
/* Attribute with no content in its text node */
exists = 0;
}
}
if (elements) {
if (Z_TYPE_P(member) == IS_LONG) {
if (sxe->iter.type == SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
node = sxe_get_element_by_offset(sxe, Z_LVAL_P(member), node, NULL);
} else {
node = sxe_find_element_by_name(sxe, node->children, Z_STR_P(member));
}
if (node) {
exists = 1;
if (check_empty == 1 &&
(!node->children || (node->children->type == XML_TEXT_NODE && !node->children->next &&
(!node->children->content || !node->children->content[0] || xmlStrEqual(node->children->content, (const xmlChar *) "0")))) ) {
exists = 0;
}
}
}
}
if (member == &tmp_zv) {
zval_ptr_dtor_str(&tmp_zv);
}
return exists;
}
/* }}} */
/* {{{ sxe_property_exists() */
static int sxe_property_exists(zend_object *object, zend_string *name, int check_empty, void **cache_slot)
{
zval member;
ZVAL_STR(&member, name);
return sxe_prop_dim_exists(object, &member, check_empty, 1, 0);
}
/* }}} */
/* {{{ sxe_dimension_exists() */
static int sxe_dimension_exists(zend_object *object, zval *member, int check_empty)
{
return sxe_prop_dim_exists(object, member, check_empty, 0, 1);
}
/* }}} */
/* {{{ sxe_prop_dim_delete() */
static void sxe_prop_dim_delete(zend_object *object, zval *member, bool elements, bool attribs)
{
php_sxe_object *sxe;
xmlNodePtr node;
xmlNodePtr nnext;
xmlAttrPtr attr = NULL;
xmlAttrPtr anext;
zval tmp_zv;
int test = 0;
if (Z_TYPE_P(member) != IS_STRING && Z_TYPE_P(member) != IS_LONG) {
zend_string *str = zval_try_get_string_func(member);
if (UNEXPECTED(!str)) {
return;
}
ZVAL_STR(&tmp_zv, str);
member = &tmp_zv;
}
sxe = php_sxe_fetch_object(object);
GET_NODE(sxe, node);
if (Z_TYPE_P(member) == IS_LONG) {
if (sxe->iter.type != SXE_ITER_ATTRLIST) {
attribs = 0;
elements = 1;
if (sxe->iter.type == SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
}
}
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
attribs = 1;
elements = 0;
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = (xmlAttrPtr)node;
test = sxe->iter.name != NULL;
} else if (sxe->iter.type != SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
attr = node ? node->properties : NULL;
test = 0;
}
if (node) {
php_libxml_invalidate_node_list_cache_from_doc(node->doc);
if (attribs) {
if (Z_TYPE_P(member) == IS_LONG) {
int nodendx = 0;
while (attr && nodendx <= Z_LVAL_P(member)) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
if (nodendx == Z_LVAL_P(member)) {
xmlUnlinkNode((xmlNodePtr) attr);
php_libxml_node_free_resource((xmlNodePtr) attr);
break;
}
nodendx++;
}
attr = attr->next;
}
} else {
while (attr) {
anext = attr->next;
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && xmlStrEqual(attr->name, (xmlChar *)Z_STRVAL_P(member)) && match_ns((xmlNodePtr) attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
xmlUnlinkNode((xmlNodePtr) attr);
php_libxml_node_free_resource((xmlNodePtr) attr);
break;
}
attr = anext;
}
}
}
if (elements) {
if (Z_TYPE_P(member) == IS_LONG) {
if (sxe->iter.type == SXE_ITER_CHILD) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
node = sxe_get_element_by_offset(sxe, Z_LVAL_P(member), node, NULL);
if (node) {
xmlUnlinkNode(node);
php_libxml_node_free_resource(node);
}
} else {
node = node->children;
while (node) {
nnext = node->next;
SKIP_TEXT(node);
if (xmlStrEqual(node->name, (xmlChar *)Z_STRVAL_P(member)) && match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix)) {
xmlUnlinkNode(node);
php_libxml_node_free_resource(node);
}
next_iter:
node = nnext;
}
}
}
}
if (member == &tmp_zv) {
zval_ptr_dtor_str(&tmp_zv);
}
}
/* }}} */
/* {{{ sxe_property_delete() */
static void sxe_property_delete(zend_object *object, zend_string *name, void **cache_slot)
{
zval member;
ZVAL_STR(&member, name);
sxe_prop_dim_delete(object, &member, 1, 0);
}
/* }}} */
/* {{{ sxe_dimension_unset() */
static void sxe_dimension_delete(zend_object *object, zval *offset)
{
sxe_prop_dim_delete(object, offset, 0, 1);
}
/* }}} */
static inline zend_string *sxe_xmlNodeListGetString(xmlDocPtr doc, xmlNodePtr list, int inLine) /* {{{ */
{
xmlChar *tmp = xmlNodeListGetString(doc, list, inLine);
zend_string *res;
if (tmp) {
res = zend_string_init((char*)tmp, strlen((char *)tmp), 0);
xmlFree(tmp);
} else {
res = ZSTR_EMPTY_ALLOC();
}
return res;
}
/* }}} */
/* {{{ get_base_node_value() */
static void get_base_node_value(php_sxe_object *sxe_ref, xmlNodePtr node, zval *value, zend_string *nsprefix, int isprefix)
{
php_sxe_object *subnode;
xmlChar *contents;
if (node->children && node->children->type == XML_TEXT_NODE && !xmlIsBlankNode(node->children)) {
contents = xmlNodeListGetString(node->doc, node->children, 1);
if (contents) {
ZVAL_STRING(value, (char *)contents);
xmlFree(contents);
}
} else {
subnode = php_sxe_object_new(sxe_ref->zo.ce, sxe_ref->fptr_count);
subnode->document = sxe_ref->document;
subnode->document->refcount++;
if (nsprefix && *ZSTR_VAL(nsprefix)) {
subnode->iter.nsprefix = zend_string_copy(nsprefix);
subnode->iter.isprefix = isprefix;
}
php_libxml_increment_node_ptr((php_libxml_node_object *)subnode, node, NULL);
ZVAL_OBJ(value, &subnode->zo);
/*zval_add_ref(value);*/
}
}
/* }}} */
static void sxe_properties_add(HashTable *rv, char *name, int namelen, zval *value) /* {{{ */
{
zend_string *key;
zval *data_ptr;
zval newptr;
key = zend_string_init(name, namelen, 0);
if ((data_ptr = zend_hash_find(rv, key)) != NULL) {
if (Z_TYPE_P(data_ptr) == IS_ARRAY) {
zend_hash_next_index_insert_new(Z_ARRVAL_P(data_ptr), value);
} else {
array_init(&newptr);
zend_hash_next_index_insert_new(Z_ARRVAL(newptr), data_ptr);
zend_hash_next_index_insert_new(Z_ARRVAL(newptr), value);
ZVAL_ARR(data_ptr, Z_ARR(newptr));
}
} else {
zend_hash_add_new(rv, key, value);
}
zend_string_release_ex(key, 0);
}
/* }}} */
static int sxe_prop_is_empty(zend_object *object) /* {{{ */
{
php_sxe_object *sxe;
xmlNodePtr node;
xmlAttrPtr attr;
int test;
int is_empty;
bool use_iter = false;
sxe = php_sxe_fetch_object(object);
GET_NODE(sxe, node);
if (!node) {
return 1;
}
if (sxe->iter.type == SXE_ITER_ELEMENT) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
if (node && node->type != XML_ENTITY_DECL) {
attr = node->properties;
test = sxe->iter.name && sxe->iter.type == SXE_ITER_ATTRLIST;
while (attr) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && match_ns((xmlNodePtr)attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
return 0;
}
attr = attr->next;
}
}
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
is_empty = 1;
if (node && sxe->iter.type != SXE_ITER_ATTRLIST) {
if (node->type == XML_ATTRIBUTE_NODE) {
return 0;
} else if (sxe->iter.type != SXE_ITER_CHILD) {
if (sxe->iter.type == SXE_ITER_NONE || !node->children || !node->parent || node->children->next || node->children->children || node->parent->children == node->parent->last) {
node = node->children;
} else {
node = php_sxe_reset_iterator_no_clear_iter_data(sxe, 0);
use_iter = true;
}
}
while (node) {
if (node->children != NULL || node->prev != NULL || node->next != NULL) {
SKIP_TEXT(node);
} else {
if (node->type == XML_TEXT_NODE) {
const xmlChar *cur = node->content;
if (*cur != 0) {
is_empty = 0;
break;
}
goto next_iter;
}
}
if (node->type == XML_ELEMENT_NODE && (! match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix))) {
goto next_iter;
}
if (!node->name) {
goto next_iter;
}
is_empty = 0;
break;
next_iter:
if (use_iter) {
node = php_sxe_iterator_fetch(sxe, node->next, 0);
} else {
node = node->next;
}
}
}
return is_empty;
}
/* }}} */
static HashTable *sxe_get_prop_hash(zend_object *object, int is_debug) /* {{{ */
{
zval value;
zval zattr;
HashTable *rv;
php_sxe_object *sxe;
char *name;
xmlNodePtr node;
xmlAttrPtr attr;
int namelen;
int test;
bool use_iter = false;
sxe = php_sxe_fetch_object(object);
if (is_debug) {
rv = zend_new_array(0);
} else if (sxe->properties) {
zend_hash_clean(sxe->properties);
rv = sxe->properties;
} else {
rv = zend_new_array(0);
sxe->properties = rv;
}
GET_NODE(sxe, node);
if (!node) {
return rv;
}
if (is_debug || sxe->iter.type != SXE_ITER_CHILD) {
if (sxe->iter.type == SXE_ITER_ELEMENT) {
node = php_sxe_get_first_node_non_destructive(sxe, node);
}
if (node && node->type != XML_ENTITY_DECL) {
attr = node->properties;
ZVAL_UNDEF(&zattr);
test = sxe->iter.name && sxe->iter.type == SXE_ITER_ATTRLIST;
while (attr) {
if ((!test || xmlStrEqual(attr->name, BAD_CAST ZSTR_VAL(sxe->iter.name))) && match_ns((xmlNodePtr)attr, sxe->iter.nsprefix, sxe->iter.isprefix)) {
ZVAL_STR(&value, sxe_xmlNodeListGetString((xmlDocPtr) sxe->document->ptr, attr->children, 1));
namelen = xmlStrlen(attr->name);
if (Z_ISUNDEF(zattr)) {
array_init(&zattr);
sxe_properties_add(rv, "@attributes", sizeof("@attributes") - 1, &zattr);
}
add_assoc_zval_ex(&zattr, (char*)attr->name, namelen, &value);
}
attr = attr->next;
}
}
}
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (node && sxe->iter.type != SXE_ITER_ATTRLIST) {
if (node->type == XML_ATTRIBUTE_NODE) {
ZVAL_STR(&value, sxe_xmlNodeListGetString(node->doc, node->children, 1));
zend_hash_next_index_insert(rv, &value);
node = NULL;
} else if (sxe->iter.type != SXE_ITER_CHILD) {
if ( sxe->iter.type == SXE_ITER_NONE || !node->children || !node->parent || !node->next || node->children->next || node->children->children || node->parent->children == node->parent->last ) {
node = node->children;
} else {
node = php_sxe_reset_iterator_no_clear_iter_data(sxe, 0);
use_iter = true;
}
}
while (node) {
if (node->children != NULL || node->prev != NULL || node->next != NULL || xmlIsBlankNode(node)) {
SKIP_TEXT(node);
} else {
if (node->type == XML_TEXT_NODE) {
const xmlChar *cur = node->content;
if (*cur != 0) {
ZVAL_STR(&value, sxe_xmlNodeListGetString(node->doc, node, 1));
zend_hash_next_index_insert(rv, &value);
}
goto next_iter;
}
}
if (node->type == XML_ELEMENT_NODE && (! match_ns(node, sxe->iter.nsprefix, sxe->iter.isprefix))) {
goto next_iter;
}
name = (char *) node->name;
if (!name) {
goto next_iter;
} else {
namelen = xmlStrlen(node->name);
}
get_base_node_value(sxe, node, &value, sxe->iter.nsprefix, sxe->iter.isprefix);
if ( use_iter ) {
zend_hash_next_index_insert(rv, &value);
} else {
sxe_properties_add(rv, name, namelen, &value);
}
next_iter:
if (UNEXPECTED(node->type == XML_ENTITY_DECL)) {
/* Entity decls are linked together via the next pointer.
* The only way to get to an entity decl is via an entity reference in the document.
* If we then continue iterating, we'll end up in the DTD. Even worse, if the entities reference each other we'll infinite loop. */
break;
}
if (use_iter) {
node = php_sxe_iterator_fetch(sxe, node->next, 0);
} else {
node = node->next;
}
}
}
return rv;
}
/* }}} */
static HashTable *sxe_get_gc(zend_object *object, zval **table, int *n) /* {{{ */ {
php_sxe_object *sxe;
sxe = php_sxe_fetch_object(object);
*table = NULL;
*n = 0;
return sxe->properties;
}
/* }}} */
static HashTable *sxe_get_properties(zend_object *object) /* {{{ */
{
return sxe_get_prop_hash(object, 0);
}
/* }}} */
static HashTable * sxe_get_debug_info(zend_object *object, int *is_temp) /* {{{ */
{
*is_temp = 1;
return sxe_get_prop_hash(object, 1);
}
/* }}} */
static int sxe_objects_compare(zval *object1, zval *object2) /* {{{ */
{
php_sxe_object *sxe1;
php_sxe_object *sxe2;
ZEND_COMPARE_OBJECTS_FALLBACK(object1, object2);
sxe1 = Z_SXEOBJ_P(object1);
sxe2 = Z_SXEOBJ_P(object2);
if (sxe1->node != NULL && sxe2->node != NULL) {
/* Both nodes set: Only support equality comparison between nodes. */
if (sxe1->node == sxe2->node) {
return 0;
}
return ZEND_UNCOMPARABLE;
}
if (sxe1->node == NULL && sxe2->node == NULL) {
/* Both nodes not set: Only support equality comparison between documents. */
if (sxe1->document->ptr == sxe2->document->ptr) {
return 0;
}
return ZEND_UNCOMPARABLE;
}
/* Only one of the nodes set: Cannot compare. */
return ZEND_UNCOMPARABLE;
}
/* }}} */
/* {{{ Runs XPath query on the XML data */
PHP_METHOD(SimpleXMLElement, xpath)
{
php_sxe_object *sxe;
zval value;
char *query;
size_t query_len;
int i;
int nsnbr = 0;
xmlNsPtr *ns = NULL;
xmlXPathObjectPtr retval;
xmlNodeSetPtr result;
xmlNodePtr nodeptr;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &query, &query_len) == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
return; /* attributes don't have attributes */
}
GET_NODE(sxe, nodeptr);
nodeptr = php_sxe_get_first_node_non_destructive(sxe, nodeptr);
if (!nodeptr) {
return;
}
if (!sxe->xpath) {
sxe->xpath = xmlXPathNewContext((xmlDocPtr) sxe->document->ptr);
}
sxe->xpath->node = nodeptr;
ns = xmlGetNsList((xmlDocPtr) sxe->document->ptr, nodeptr);
if (ns != NULL) {
while (ns[nsnbr] != NULL) {
nsnbr++;
}
}
sxe->xpath->namespaces = ns;
sxe->xpath->nsNr = nsnbr;
retval = xmlXPathEval((xmlChar *)query, sxe->xpath);
if (ns != NULL) {
xmlFree(ns);
sxe->xpath->namespaces = NULL;
sxe->xpath->nsNr = 0;
}
if (!retval) {
RETURN_FALSE;
}
result = retval->nodesetval;
if (result != NULL) {
array_init_size(return_value, result->nodeNr);
zend_hash_real_init_packed(Z_ARRVAL_P(return_value));
for (i = 0; i < result->nodeNr; ++i) {
nodeptr = result->nodeTab[i];
if (nodeptr->type == XML_TEXT_NODE || nodeptr->type == XML_ELEMENT_NODE || nodeptr->type == XML_ATTRIBUTE_NODE || nodeptr->type == XML_PI_NODE || nodeptr->type == XML_COMMENT_NODE) {
/**
* Detect the case where the last selector is text(), simplexml
* always accesses the text() child by default, therefore we assign
* to the parent node.
*/
if (nodeptr->type == XML_TEXT_NODE) {
node_as_zval(sxe, nodeptr->parent, &value, SXE_ITER_NONE, NULL, NULL, 0);
} else if (nodeptr->type == XML_ATTRIBUTE_NODE) {
node_as_zval_str(sxe, nodeptr->parent, &value, SXE_ITER_ATTRLIST, nodeptr->name, nodeptr->ns ? BAD_CAST nodeptr->ns->href : NULL, 0);
} else {
node_as_zval(sxe, nodeptr, &value, SXE_ITER_NONE, NULL, NULL, 0);
}
add_next_index_zval(return_value, &value);
}
}
} else {
RETVAL_EMPTY_ARRAY();
}
xmlXPathFreeObject(retval);
}
/* }}} */
/* {{{ Creates a prefix/ns context for the next XPath query */
PHP_METHOD(SimpleXMLElement, registerXPathNamespace)
{
php_sxe_object *sxe;
size_t prefix_len, ns_uri_len;
char *prefix, *ns_uri;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &prefix, &prefix_len, &ns_uri, &ns_uri_len) == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
if (!sxe->document) {
zend_throw_error(NULL, "SimpleXMLElement is not properly initialized");
RETURN_THROWS();
}
if (!sxe->xpath) {
sxe->xpath = xmlXPathNewContext((xmlDocPtr) sxe->document->ptr);
}
if (xmlXPathRegisterNs(sxe->xpath, (xmlChar *)prefix, (xmlChar *)ns_uri) != 0) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ Return a well-formed XML string based on SimpleXML element */
PHP_METHOD(SimpleXMLElement, asXML)
{
php_sxe_object *sxe;
xmlNodePtr node;
char *filename = NULL;
size_t filename_len;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|p!", &filename, &filename_len) == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (!node) {
RETURN_FALSE;
}
xmlDocPtr doc = sxe->document->ptr;
if (filename) {
zend_long bytes;
if (node->parent && (XML_DOCUMENT_NODE == node->parent->type)) {
bytes = sxe->document->handlers->dump_doc_to_file(filename, doc, false, (const char *) doc->encoding);
} else {
bytes = sxe->document->handlers->dump_node_to_file(filename, doc, node, false, NULL);
}
if (bytes == -1) {
RETURN_FALSE;
} else {
RETURN_TRUE;
}
}
zend_string *result;
if (node->parent && (XML_DOCUMENT_NODE == node->parent->type)) {
result = sxe->document->handlers->dump_doc_to_str(doc, 0, (const char *) doc->encoding);
} else {
result = sxe->document->handlers->dump_node_to_str(doc, node, false, (const char *) doc->encoding);
}
if (!result) {
RETURN_FALSE;
} else {
RETURN_NEW_STR(result);
}
}
/* }}} */
#define SXE_NS_PREFIX(ns) (ns->prefix ? (char*)ns->prefix : "")
static inline void sxe_add_namespace_name_raw(zval *return_value, const char *prefix, const char *href)
{
zend_string *key = zend_string_init(prefix, strlen(prefix), 0);
zval zv;
if (!zend_hash_exists(Z_ARRVAL_P(return_value), key)) {
ZVAL_STRING(&zv, href);
zend_hash_add_new(Z_ARRVAL_P(return_value), key, &zv);
}
zend_string_release_ex(key, 0);
}
static inline void sxe_add_namespace_name(zval *return_value, xmlNsPtr ns) /* {{{ */
{
char *prefix = SXE_NS_PREFIX(ns);
sxe_add_namespace_name_raw(return_value, prefix, (const char *) ns->href);
}
/* }}} */
static void sxe_add_namespaces(php_sxe_object *sxe, xmlNodePtr node, bool recursive, zval *return_value) /* {{{ */
{
xmlAttrPtr attr;
if (node->ns) {
sxe_add_namespace_name(return_value, node->ns);
}
attr = node->properties;
while (attr) {
if (attr->ns) {
sxe_add_namespace_name(return_value, attr->ns);
}
attr = attr->next;
}
if (recursive) {
node = node->children;
while (node) {
if (node->type == XML_ELEMENT_NODE) {
sxe_add_namespaces(sxe, node, recursive, return_value);
}
node = node->next;
}
}
} /* }}} */
static inline void sxe_object_free_iterxpath(php_sxe_object *sxe)
{
if (!Z_ISUNDEF(sxe->iter.data)) {
zval_ptr_dtor(&sxe->iter.data);
ZVAL_UNDEF(&sxe->iter.data);
}
if (sxe->iter.name) {
zend_string_release(sxe->iter.name);
sxe->iter.name = NULL;
}
if (sxe->iter.nsprefix) {
zend_string_release(sxe->iter.nsprefix);
sxe->iter.nsprefix = NULL;
}
if (!Z_ISUNDEF(sxe->tmp)) {
zval_ptr_dtor(&sxe->tmp);
ZVAL_UNDEF(&sxe->tmp);
}
php_libxml_node_decrement_resource((php_libxml_node_object *)sxe);
if (sxe->xpath) {
xmlXPathFreeContext(sxe->xpath);
sxe->xpath = NULL;
}
}
/* {{{ Return all namespaces in use */
PHP_METHOD(SimpleXMLElement, getNamespaces)
{
bool recursive = 0;
php_sxe_object *sxe;
xmlNodePtr node;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|b", &recursive) == FAILURE) {
RETURN_THROWS();
}
array_init(return_value);
sxe = Z_SXEOBJ_P(ZEND_THIS);
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (node) {
if (node->type == XML_ELEMENT_NODE) {
sxe_add_namespaces(sxe, node, recursive, return_value);
} else if (node->type == XML_ATTRIBUTE_NODE && node->ns) {
sxe_add_namespace_name(return_value, node->ns);
}
}
}
/* }}} */
static void sxe_add_registered_namespaces(php_sxe_object *sxe, xmlNodePtr node, bool recursive, bool include_xmlns_attributes, zval *return_value) /* {{{ */
{
xmlNsPtr ns;
if (node->type == XML_ELEMENT_NODE) {
ns = node->nsDef;
while (ns != NULL) {
sxe_add_namespace_name(return_value, ns);
ns = ns->next;
}
if (include_xmlns_attributes) {
for (const xmlAttr *attr = node->properties; attr; attr = attr->next) {
/* Attributes in the xmlns namespace should be treated as namespace declarations too. */
if (attr->ns && xmlStrEqual(attr->ns->href, (const xmlChar *) "http://www.w3.org/2000/xmlns/")) {
const char *prefix = attr->ns->prefix ? (const char *) attr->name : "";
bool free;
xmlChar *href = php_libxml_attr_value(attr, &free);
sxe_add_namespace_name_raw(return_value, prefix, (const char *) href);
if (free) {
xmlFree(href);
}
}
}
}
if (recursive) {
node = node->children;
while (node) {
sxe_add_registered_namespaces(sxe, node, recursive, include_xmlns_attributes, return_value);
node = node->next;
}
}
}
}
/* }}} */
/* {{{ Return all namespaces registered with document */
PHP_METHOD(SimpleXMLElement, getDocNamespaces)
{
bool recursive = 0, from_root = 1;
php_sxe_object *sxe;
xmlNodePtr node;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|bb", &recursive, &from_root) == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
if (from_root) {
if (!sxe->document) {
zend_throw_error(NULL, "SimpleXMLElement is not properly initialized");
RETURN_THROWS();
}
node = xmlDocGetRootElement((xmlDocPtr)sxe->document->ptr);
} else {
GET_NODE(sxe, node);
}
if (node == NULL) {
RETURN_FALSE;
}
/* Only do this for modern documents to keep BC. */
bool include_xmlns_attributes = sxe->document->class_type == PHP_LIBXML_CLASS_MODERN;
array_init(return_value);
sxe_add_registered_namespaces(sxe, node, recursive, include_xmlns_attributes, return_value);
}
/* }}} */
/* {{{ Finds children of given node */
PHP_METHOD(SimpleXMLElement, children)
{
php_sxe_object *sxe;
zend_string *nsprefix = NULL;
xmlNodePtr node;
bool isprefix = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S!b", &nsprefix, &isprefix) == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
return; /* attributes don't have attributes */
}
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (!node) {
return;
}
node_as_zval(sxe, node, return_value, SXE_ITER_CHILD, NULL, nsprefix, isprefix);
}
/* }}} */
/* {{{ Returns name of given node */
PHP_METHOD(SimpleXMLElement, getName)
{
php_sxe_object *sxe;
xmlNodePtr node;
int namelen;
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (node) {
namelen = xmlStrlen(node->name);
RETURN_STRINGL((char*)node->name, namelen);
} else {
RETURN_EMPTY_STRING();
}
}
/* }}} */
/* {{{ Identifies an element's attributes */
PHP_METHOD(SimpleXMLElement, attributes)
{
php_sxe_object *sxe;
zend_string *nsprefix = NULL;
xmlNodePtr node;
bool isprefix = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|S!b", &nsprefix, &isprefix) == FAILURE) {
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (!node) {
return;
}
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
return; /* attributes don't have attributes */
}
node_as_zval(sxe, node, return_value, SXE_ITER_ATTRLIST, NULL, nsprefix, isprefix);
}
/* }}} */
/* {{{ Add Element with optional namespace information */
PHP_METHOD(SimpleXMLElement, addChild)
{
php_sxe_object *sxe;
char *qname, *value = NULL, *nsuri = NULL;
size_t qname_len, value_len = 0, nsuri_len = 0;
xmlNodePtr node, newnode;
xmlNsPtr nsptr = NULL;
xmlChar *localname, *prefix = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|s!s!",
&qname, &qname_len, &value, &value_len, &nsuri, &nsuri_len) == FAILURE) {
RETURN_THROWS();
}
if (qname_len == 0) {
zend_argument_must_not_be_empty_error(1);
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
GET_NODE(sxe, node);
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
php_error_docref(NULL, E_WARNING, "Cannot add element to attributes");
return;
}
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (node == NULL) {
php_error_docref(NULL, E_WARNING, "Cannot add child. Parent is not a permanent member of the XML tree");
return;
}
php_libxml_invalidate_node_list_cache_from_doc(node->doc);
localname = xmlSplitQName2((xmlChar *)qname, &prefix);
if (localname == NULL) {
localname = xmlStrdup((xmlChar *)qname);
}
newnode = xmlNewChild(node, NULL, localname, (xmlChar *)value);
if (nsuri != NULL) {
if (nsuri_len == 0) {
newnode->ns = NULL;
nsptr = xmlNewNs(newnode, (xmlChar *)nsuri, prefix);
} else {
nsptr = xmlSearchNsByHref(node->doc, node, (xmlChar *)nsuri);
if (nsptr == NULL) {
nsptr = xmlNewNs(newnode, (xmlChar *)nsuri, prefix);
}
newnode->ns = nsptr;
}
}
node_as_zval_str(sxe, newnode, return_value, SXE_ITER_NONE, localname, prefix, 0);
xmlFree(localname);
if (prefix != NULL) {
xmlFree(prefix);
}
}
/* }}} */
/* {{{ Add Attribute with optional namespace information */
PHP_METHOD(SimpleXMLElement, addAttribute)
{
php_sxe_object *sxe;
char *qname, *value = NULL, *nsuri = NULL;
size_t qname_len, value_len = 0, nsuri_len = 0;
xmlNodePtr node;
xmlAttrPtr attrp = NULL;
xmlNsPtr nsptr = NULL;
xmlChar *localname, *prefix = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss|s!",
&qname, &qname_len, &value, &value_len, &nsuri, &nsuri_len) == FAILURE) {
RETURN_THROWS();
}
if (qname_len == 0) {
zend_argument_must_not_be_empty_error(1);
RETURN_THROWS();
}
sxe = Z_SXEOBJ_P(ZEND_THIS);
GET_NODE(sxe, node);
node = php_sxe_get_first_node_non_destructive(sxe, node);
if (node && node->type != XML_ELEMENT_NODE) {
node = node->parent;
}
if (node == NULL) {
php_error_docref(NULL, E_WARNING, "Unable to locate parent Element");
return;
}
localname = xmlSplitQName2((xmlChar *)qname, &prefix);
bool free_localname = localname != NULL;
if (!free_localname) {
if (nsuri_len > 0) {
if (prefix != NULL) {
xmlFree(prefix);
}
php_error_docref(NULL, E_WARNING, "Attribute requires prefix for namespace");
return;
}
localname = (xmlChar *) qname;
}
attrp = xmlHasNsProp(node, localname, (xmlChar *)nsuri);
if (attrp != NULL && attrp->type != XML_ATTRIBUTE_DECL) {
php_error_docref(NULL, E_WARNING, "Attribute already exists");
goto out;
}
if (nsuri != NULL) {
nsptr = xmlSearchNsByHref(node->doc, node, (xmlChar *)nsuri);
if (nsptr == NULL) {
nsptr = xmlNewNs(node, (xmlChar *)nsuri, prefix);
}
}
attrp = xmlNewNsProp(node, nsptr, localname, (xmlChar *)value);
out:
if (free_localname) {
xmlFree(localname);
}
if (prefix != NULL) {
xmlFree(prefix);
}
}
/* }}} */
/* {{{ cast_object() */
static zend_result cast_object(zval *object, int type, char *contents)
{
if (contents) {
ZVAL_STRINGL(object, contents, strlen(contents));
} else {
ZVAL_NULL(object);
}
switch (type) {
case IS_STRING:
convert_to_string(object);
break;
case IS_LONG:
convert_to_long(object);
break;
case IS_DOUBLE:
convert_to_double(object);
break;
case _IS_NUMBER:
convert_scalar_to_number(object);
break;
default:
return FAILURE;
}
return SUCCESS;
}
/* }}} */
/* {{{ sxe_object_cast() */
static zend_result sxe_object_cast_ex(zend_object *readobj, zval *writeobj, int type)
{
php_sxe_object *sxe;
xmlChar *contents = NULL;
bool free_contents = true;
xmlNodePtr node;
zend_result rv;
sxe = php_sxe_fetch_object(readobj);
if (type == _IS_BOOL) {
node = php_sxe_get_first_node_non_destructive(sxe, NULL);
if (node) {
ZVAL_TRUE(writeobj);
} else {
ZVAL_BOOL(writeobj, !sxe_prop_is_empty(readobj));
}
return SUCCESS;
}
if (sxe->iter.type != SXE_ITER_NONE) {
node = php_sxe_get_first_node_non_destructive(sxe, NULL);
if (node) {
contents = xmlNodeListGetString((xmlDocPtr) sxe->document->ptr, node->children, 1);
}
} else {
if (!sxe->node) {
if (sxe->document) {
php_libxml_increment_node_ptr((php_libxml_node_object *)sxe, xmlDocGetRootElement((xmlDocPtr) sxe->document->ptr), NULL);
}
}
if (sxe->node && sxe->node->node) {
if (sxe->node->node->children) {
contents = xmlNodeListGetString((xmlDocPtr) sxe->document->ptr, sxe->node->node->children, 1);
} else if (sxe->node->node->type == XML_COMMENT_NODE || sxe->node->node->type == XML_PI_NODE) {
contents = sxe->node->node->content;
free_contents = false;
}
}
}
rv = cast_object(writeobj, type, (char *)contents);
if (contents && free_contents) {
xmlFree(contents);
}
return rv;
}
/* }}} */
/* {{{ Variant of sxe_object_cast_ex that handles overwritten __toString() method */
static zend_result sxe_object_cast(zend_object *readobj, zval *writeobj, int type)
{
if (type == IS_STRING
&& zend_std_cast_object_tostring(readobj, writeobj, IS_STRING) == SUCCESS
) {
return SUCCESS;
}
return sxe_object_cast_ex(readobj, writeobj, type);
}
/* }}} */
/* {{{ Returns the string content */
PHP_METHOD(SimpleXMLElement, __toString)
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
zend_result rv = sxe_object_cast_ex(Z_OBJ_P(ZEND_THIS), return_value, IS_STRING);
ZEND_IGNORE_VALUE(rv);
ZEND_ASSERT(rv == SUCCESS);
}
/* }}} */
static zend_long php_sxe_count_elements_helper(php_sxe_object *sxe) /* {{{ */
{
zend_long count = 0;
xmlNodePtr node = php_sxe_reset_iterator_no_clear_iter_data(sxe, 0);
while (node)
{
count++;
node = php_sxe_iterator_fetch(sxe, node->next, 0);
}
return count;
}
/* }}} */
static zend_result sxe_count_elements(zend_object *object, zend_long *count) /* {{{ */
{
php_sxe_object *intern;
intern = php_sxe_fetch_object(object);
if (intern->fptr_count) {
zval rv;
zend_call_method_with_0_params(object, intern->zo.ce, &intern->fptr_count, "count", &rv);
if (!Z_ISUNDEF(rv)) {
ZEND_ASSERT(Z_TYPE(rv) == IS_LONG);
*count = Z_LVAL(rv);
return SUCCESS;
}
return FAILURE;
}
*count = php_sxe_count_elements_helper(intern);
return SUCCESS;
}
/* }}} */
/* {{{ Get number of child elements */
PHP_METHOD(SimpleXMLElement, count)
{
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
RETURN_LONG(php_sxe_count_elements_helper(sxe));
}
/* }}} */
/* {{{ Rewind to first element */
PHP_METHOD(SimpleXMLElement, rewind)
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
php_sxe_rewind_iterator(Z_SXEOBJ_P(ZEND_THIS));
}
/* }}} */
/* {{{ Check whether iteration is valid */
PHP_METHOD(SimpleXMLElement, valid)
{
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
RETURN_BOOL(!Z_ISUNDEF(sxe->iter.data));
}
/* }}} */
/* {{{ Get current element */
PHP_METHOD(SimpleXMLElement, current)
{
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
if (Z_ISUNDEF(sxe->iter.data)) {
zend_throw_error(NULL, "Iterator not initialized or already consumed");
RETURN_THROWS();
}
RETURN_COPY_DEREF(&sxe->iter.data);
}
/* }}} */
/* {{{ Get name of current child element */
PHP_METHOD(SimpleXMLElement, key)
{
xmlNodePtr curnode;
php_sxe_object *intern;
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
if (Z_ISUNDEF(sxe->iter.data)) {
zend_throw_error(NULL, "Iterator not initialized or already consumed");
RETURN_THROWS();
}
intern = Z_SXEOBJ_P(&sxe->iter.data);
if (intern == NULL || intern->node == NULL) {
zend_throw_error(NULL, "Iterator not initialized or already consumed");
RETURN_THROWS();
}
curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->node)->node;
RETURN_STRINGL((char*)curnode->name, xmlStrlen(curnode->name));
}
/* }}} */
/* {{{ Move to next element */
PHP_METHOD(SimpleXMLElement, next)
{
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
php_sxe_move_forward_iterator(Z_SXEOBJ_P(ZEND_THIS));
}
/* }}} */
/* {{{ Check whether element has children (elements) */
PHP_METHOD(SimpleXMLElement, hasChildren)
{
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
php_sxe_object *child;
xmlNodePtr node;
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
if (Z_ISUNDEF(sxe->iter.data) || sxe->iter.type == SXE_ITER_ATTRLIST) {
RETURN_FALSE;
}
child = Z_SXEOBJ_P(&sxe->iter.data);
GET_NODE(child, node);
if (node) {
node = node->children;
}
while (node && node->type != XML_ELEMENT_NODE) {
node = node->next;
}
RETURN_BOOL(node ? 1 : 0);
}
/* }}} */
/* {{{ Get child element iterator */
PHP_METHOD(SimpleXMLElement, getChildren)
{
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
if (zend_parse_parameters_none() == FAILURE) {
RETURN_THROWS();
}
if (Z_ISUNDEF(sxe->iter.data) || sxe->iter.type == SXE_ITER_ATTRLIST) {
return; /* return NULL */
}
RETURN_COPY_DEREF(&sxe->iter.data);
}
static zend_object_handlers sxe_object_handlers;
/* {{{ sxe_object_clone() */
static zend_object *
sxe_object_clone(zend_object *object)
{
php_sxe_object *sxe = php_sxe_fetch_object(object);
php_sxe_object *clone;
xmlNodePtr nodep = NULL;
xmlDocPtr docp = NULL;
bool is_root_element = sxe->node && sxe->node->node && sxe->node->node->parent
&& (sxe->node->node->parent->type == XML_DOCUMENT_NODE || sxe->node->node->parent->type == XML_HTML_DOCUMENT_NODE);
clone = php_sxe_object_new(sxe->zo.ce, sxe->fptr_count);
if (is_root_element) {
docp = xmlCopyDoc(sxe->document->ptr, 1);
php_libxml_increment_doc_ref((php_libxml_node_object *)clone, docp);
} else {
clone->document = sxe->document;
if (clone->document) {
clone->document->refcount++;
docp = clone->document->ptr;
}
}
clone->iter.isprefix = sxe->iter.isprefix;
if (sxe->iter.name != NULL) {
clone->iter.name = zend_string_copy(sxe->iter.name);
}
if (sxe->iter.nsprefix != NULL) {
clone->iter.nsprefix = zend_string_copy(sxe->iter.nsprefix);
}
clone->iter.type = sxe->iter.type;
if (sxe->node) {
if (is_root_element) {
nodep = xmlDocGetRootElement(docp);
} else {
nodep = xmlDocCopyNode(sxe->node->node, docp, 1);
}
}
php_libxml_increment_node_ptr((php_libxml_node_object *)clone, nodep, NULL);
return &clone->zo;
}
/* }}} */
/* {{{ sxe_object_free_storage() */
static void sxe_object_free_storage(zend_object *object)
{
php_sxe_object *sxe;
sxe = php_sxe_fetch_object(object);
zend_object_std_dtor(&sxe->zo);
sxe_object_free_iterxpath(sxe);
if (sxe->properties) {
zend_hash_destroy(sxe->properties);
FREE_HASHTABLE(sxe->properties);
}
}
/* }}} */
/* {{{ php_sxe_find_fptr_count() */
static zend_function* php_sxe_find_fptr_count(zend_class_entry *ce)
{
zend_function *fptr_count = NULL;
zend_class_entry *parent = ce;
int inherited = 0;
while (parent) {
if (parent == ce_SimpleXMLElement) {
break;
}
parent = parent->parent;
inherited = 1;
}
if (inherited) {
/* Find count() method */
fptr_count = zend_hash_find_ptr(&ce->function_table, ZSTR_KNOWN(ZEND_STR_COUNT));
if (fptr_count->common.scope == parent) {
fptr_count = NULL;
}
}
return fptr_count;
}
/* }}} */
/* {{{ php_sxe_object_new() */
static php_sxe_object* php_sxe_object_new(zend_class_entry *ce, zend_function *fptr_count)
{
php_sxe_object *intern;
intern = zend_object_alloc(sizeof(php_sxe_object), ce);
intern->iter.type = SXE_ITER_NONE;
intern->iter.nsprefix = NULL;
intern->iter.name = NULL;
intern->fptr_count = fptr_count;
zend_object_std_init(&intern->zo, ce);
object_properties_init(&intern->zo, ce);
return intern;
}
/* }}} */
/* {{{ sxe_object_new() */
PHP_SXE_API zend_object *
sxe_object_new(zend_class_entry *ce)
{
php_sxe_object *intern;
intern = php_sxe_object_new(ce, php_sxe_find_fptr_count(ce));
return &intern->zo;
}
/* }}} */
/* {{{ Load a filename and return a simplexml_element object to allow for processing */
PHP_FUNCTION(simplexml_load_file)
{
php_sxe_object *sxe;
char *filename;
size_t filename_len;
xmlDocPtr docp;
zend_string *ns = zend_empty_string;
zend_long options = 0;
zend_class_entry *ce= ce_SimpleXMLElement;
zend_function *fptr_count;
bool isprefix = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|C!lSb", &filename, &filename_len, &ce, &options, &ns, &isprefix) == FAILURE) {
RETURN_THROWS();
}
if (ZEND_LONG_EXCEEDS_INT(options)) {
zend_argument_value_error(3, "is too large");
RETURN_THROWS();
}
PHP_LIBXML_SANITIZE_GLOBALS(read_file);
docp = xmlReadFile(filename, NULL, (int)options);
PHP_LIBXML_RESTORE_GLOBALS(read_file);
if (!docp) {
RETURN_FALSE;
}
if (!ce) {
ce = ce_SimpleXMLElement;
fptr_count = NULL;
} else {
fptr_count = php_sxe_find_fptr_count(ce);
}
sxe = php_sxe_object_new(ce, fptr_count);
sxe->iter.nsprefix = ZSTR_LEN(ns) ? zend_string_copy(ns) : NULL;
sxe->iter.isprefix = isprefix;
php_libxml_increment_doc_ref((php_libxml_node_object *)sxe, docp);
php_libxml_increment_node_ptr((php_libxml_node_object *)sxe, xmlDocGetRootElement(docp), NULL);
RETURN_OBJ(&sxe->zo);
}
/* }}} */
/* {{{ Load a string and return a simplexml_element object to allow for processing */
PHP_FUNCTION(simplexml_load_string)
{
php_sxe_object *sxe;
char *data;
size_t data_len;
xmlDocPtr docp;
zend_string *ns = zend_empty_string;
zend_long options = 0;
zend_class_entry *ce= ce_SimpleXMLElement;
zend_function *fptr_count;
bool isprefix = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|C!lSb", &data, &data_len, &ce, &options, &ns, &isprefix) == FAILURE) {
RETURN_THROWS();
}
if (ZEND_SIZE_T_INT_OVFL(data_len)) {
zend_argument_value_error(1, "is too long");
RETURN_THROWS();
}
if (ZEND_SIZE_T_INT_OVFL(ZSTR_LEN(ns))) {
zend_argument_value_error(4, "is too long");
RETURN_THROWS();
}
if (ZEND_LONG_EXCEEDS_INT(options)) {
zend_argument_value_error(3, "is too large");
RETURN_THROWS();
}
PHP_LIBXML_SANITIZE_GLOBALS(read_memory);
docp = xmlReadMemory(data, (int)data_len, NULL, NULL, (int)options);
PHP_LIBXML_RESTORE_GLOBALS(read_memory);
if (!docp) {
RETURN_FALSE;
}
if (!ce) {
ce = ce_SimpleXMLElement;
fptr_count = NULL;
} else {
fptr_count = php_sxe_find_fptr_count(ce);
}
sxe = php_sxe_object_new(ce, fptr_count);
sxe->iter.nsprefix = ZSTR_LEN(ns) ? zend_string_copy(ns) : NULL;
sxe->iter.isprefix = isprefix;
php_libxml_increment_doc_ref((php_libxml_node_object *)sxe, docp);
php_libxml_increment_node_ptr((php_libxml_node_object *)sxe, xmlDocGetRootElement(docp), NULL);
RETURN_OBJ(&sxe->zo);
}
/* }}} */
/* {{{ SimpleXMLElement constructor */
PHP_METHOD(SimpleXMLElement, __construct)
{
php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
char *data;
zend_string *ns = zend_empty_string;
size_t data_len;
xmlDocPtr docp;
zend_long options = 0;
bool is_url = 0, isprefix = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|lbSb", &data, &data_len, &options, &is_url, &ns, &isprefix) == FAILURE) {
RETURN_THROWS();
}
if (ZEND_SIZE_T_INT_OVFL(data_len)) {
zend_argument_error(zend_ce_exception, 1, "is too long");
RETURN_THROWS();
}
if (ZEND_SIZE_T_INT_OVFL(ZSTR_LEN(ns))) {
zend_argument_error(zend_ce_exception, 4, "is too long");
RETURN_THROWS();
}
if (ZEND_LONG_EXCEEDS_INT(options)) {
zend_argument_error(zend_ce_exception, 2, "is invalid");
RETURN_THROWS();
}
PHP_LIBXML_SANITIZE_GLOBALS(read_file_or_memory);
docp = is_url ? xmlReadFile(data, NULL, (int)options) : xmlReadMemory(data, (int)data_len, NULL, NULL, (int)options);
PHP_LIBXML_RESTORE_GLOBALS(read_file_or_memory);
if (!docp) {
zend_throw_exception(zend_ce_exception, "String could not be parsed as XML", 0);
RETURN_THROWS();
}
sxe_object_free_iterxpath(sxe);
sxe->iter.nsprefix = ZSTR_LEN(ns) ? zend_string_copy(ns) : NULL;
sxe->iter.isprefix = isprefix;
php_libxml_increment_doc_ref((php_libxml_node_object *)sxe, docp);
php_libxml_increment_node_ptr((php_libxml_node_object *)sxe, xmlDocGetRootElement(docp), NULL);
}
/* }}} */
static const zend_object_iterator_funcs php_sxe_iterator_funcs = { /* {{{ */
php_sxe_iterator_dtor,
php_sxe_iterator_valid,
php_sxe_iterator_current_data,
php_sxe_iterator_current_key,
php_sxe_iterator_move_forward,
php_sxe_iterator_rewind,
NULL,
NULL, /* get_gc */
};
/* }}} */
static xmlNodePtr php_sxe_iterator_fetch(php_sxe_object *sxe, xmlNodePtr node, int use_data) /* {{{ */
{
zend_string *prefix = sxe->iter.nsprefix;
int isprefix = sxe->iter.isprefix;
if (sxe->iter.type == SXE_ITER_ATTRLIST) {
if (sxe->iter.name) {
while (node) {
if (node->type == XML_ATTRIBUTE_NODE) {
if (xmlStrEqual(node->name, BAD_CAST ZSTR_VAL(sxe->iter.name)) && match_ns(node, prefix, isprefix)) {
break;
}
}
node = node->next;
}
} else {
while (node) {
if (node->type == XML_ATTRIBUTE_NODE) {
if (match_ns(node, prefix, isprefix)) {
break;
}
}
node = node->next;
}
}
} else if (sxe->iter.type == SXE_ITER_ELEMENT && sxe->iter.name) {
while (node) {
if (node->type == XML_ELEMENT_NODE) {
if (xmlStrEqual(node->name, BAD_CAST ZSTR_VAL(sxe->iter.name)) && match_ns(node, prefix, isprefix)) {
break;
}
}
node = node->next;
}
} else {
while (node) {
if (node->type == XML_ELEMENT_NODE) {
if (match_ns(node, prefix, isprefix)) {
break;
}
}
node = node->next;
}
}
if (node && use_data) {
node_as_zval(sxe, node, &sxe->iter.data, SXE_ITER_NONE, NULL, prefix, isprefix);
}
return node;
}
/* }}} */
static xmlNodePtr php_sxe_reset_iterator_no_clear_iter_data(php_sxe_object *sxe, int use_data)
{
xmlNodePtr node;
GET_NODE(sxe, node)
if (node) {
switch (sxe->iter.type) {
case SXE_ITER_ELEMENT:
case SXE_ITER_CHILD:
case SXE_ITER_NONE:
node = node->children;
break;
case SXE_ITER_ATTRLIST:
node = (xmlNodePtr) node->properties;
}
if (use_data) {
ZEND_ASSERT(Z_ISUNDEF(sxe->iter.data));
}
return php_sxe_iterator_fetch(sxe, node, use_data);
}
return NULL;
}
static xmlNodePtr php_sxe_reset_iterator(php_sxe_object *sxe) /* {{{ */
{
if (!Z_ISUNDEF(sxe->iter.data)) {
zval_ptr_dtor(&sxe->iter.data);
ZVAL_UNDEF(&sxe->iter.data);
}
return php_sxe_reset_iterator_no_clear_iter_data(sxe, 1);
}
/* }}} */
zend_object_iterator *php_sxe_get_iterator(zend_class_entry *ce, zval *object, int by_ref) /* {{{ */
{
php_sxe_iterator *iterator;
if (by_ref) {
zend_throw_error(NULL, "An iterator cannot be used with foreach by reference");
return NULL;
}
iterator = emalloc(sizeof(php_sxe_iterator));
zend_iterator_init(&iterator->intern);
ZVAL_OBJ_COPY(&iterator->intern.data, Z_OBJ_P(object));
iterator->intern.funcs = &php_sxe_iterator_funcs;
iterator->sxe = Z_SXEOBJ_P(object);
return (zend_object_iterator*)iterator;
}
/* }}} */
static void php_sxe_iterator_dtor(zend_object_iterator *iter) /* {{{ */
{
php_sxe_iterator *iterator = (php_sxe_iterator *)iter;
/* cleanup handled in sxe_object_dtor as we don't always have an iterator wrapper */
if (!Z_ISUNDEF(iterator->intern.data)) {
zval_ptr_dtor(&iterator->intern.data);
}
}
/* }}} */
static zend_result php_sxe_iterator_valid(zend_object_iterator *iter) /* {{{ */
{
php_sxe_iterator *iterator = (php_sxe_iterator *)iter;
return Z_ISUNDEF(iterator->sxe->iter.data) ? FAILURE : SUCCESS;
}
/* }}} */
static zval *php_sxe_iterator_current_data(zend_object_iterator *iter) /* {{{ */
{
php_sxe_iterator *iterator = (php_sxe_iterator *)iter;
return &iterator->sxe->iter.data;
}
/* }}} */
static void php_sxe_iterator_current_key(zend_object_iterator *iter, zval *key) /* {{{ */
{
php_sxe_iterator *iterator = (php_sxe_iterator *)iter;
zval *curobj = &iterator->sxe->iter.data;
if (Z_ISUNDEF_P(curobj)) {
ZVAL_NULL(key);
return;
}
php_sxe_object *intern = Z_SXEOBJ_P(curobj);
xmlNodePtr curnode = NULL;
if (intern != NULL && intern->node != NULL) {
curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->node)->node;
}
if (curnode) {
ZVAL_STRINGL(key, (char *) curnode->name, xmlStrlen(curnode->name));
} else {
ZVAL_NULL(key);
}
}
/* }}} */
PHP_SXE_API void php_sxe_move_forward_iterator(php_sxe_object *sxe) /* {{{ */
{
xmlNodePtr node = NULL;
php_sxe_object *intern;
if (!Z_ISUNDEF(sxe->iter.data)) {
intern = Z_SXEOBJ_P(&sxe->iter.data);
GET_NODE(intern, node)
zval_ptr_dtor(&sxe->iter.data);
ZVAL_UNDEF(&sxe->iter.data);
}
if (node) {
php_sxe_iterator_fetch(sxe, node->next, 1);
}
}
/* }}} */
static void php_sxe_iterator_move_forward(zend_object_iterator *iter) /* {{{ */
{
php_sxe_iterator *iterator = (php_sxe_iterator *)iter;
php_sxe_move_forward_iterator(iterator->sxe);
}
/* }}} */
PHP_SXE_API void php_sxe_rewind_iterator(php_sxe_object *sxe) /* {{{ */
{
php_sxe_reset_iterator(sxe);
}
/* }}} */
static void php_sxe_iterator_rewind(zend_object_iterator *iter) /* {{{ */
{
php_sxe_object *sxe;
php_sxe_iterator *iterator = (php_sxe_iterator *)iter;
sxe = iterator->sxe;
php_sxe_reset_iterator(sxe);
}
/* }}} */
void *simplexml_export_node(zval *object) /* {{{ */
{
php_sxe_object *sxe;
xmlNodePtr node;
sxe = Z_SXEOBJ_P(object);
GET_NODE(sxe, node);
return php_sxe_get_first_node_non_destructive(sxe, node);
}
/* }}} */
/* {{{ Get a simplexml_element object from dom to allow for processing */
PHP_FUNCTION(simplexml_import_dom)
{
php_sxe_object *sxe;
zval *node;
php_libxml_node_object *object;
xmlNodePtr nodep = NULL;
zend_class_entry *ce = ce_SimpleXMLElement;
zend_function *fptr_count;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "o|C!", &node, &ce) == FAILURE) {
RETURN_THROWS();
}
nodep = php_libxml_import_node(node);
if (!nodep) {
zend_argument_type_error(1, "must be a valid XML node");
RETURN_THROWS();
}
if (nodep->doc == NULL) {
php_error_docref(NULL, E_WARNING, "Imported Node must have associated Document");
RETURN_NULL();
}
if (nodep->type == XML_DOCUMENT_NODE || nodep->type == XML_HTML_DOCUMENT_NODE) {
nodep = xmlDocGetRootElement((xmlDocPtr) nodep);
}
if (nodep && nodep->type == XML_ELEMENT_NODE) {
if (!ce) {
ce = ce_SimpleXMLElement;
fptr_count = NULL;
} else {
fptr_count = php_sxe_find_fptr_count(ce);
}
object = Z_LIBXML_NODE_P(node);
sxe = php_sxe_object_new(ce, fptr_count);
sxe->document = object->document;
php_libxml_increment_doc_ref((php_libxml_node_object *)sxe, nodep->doc);
php_libxml_increment_node_ptr((php_libxml_node_object *)sxe, nodep, NULL);
RETURN_OBJ(&sxe->zo);
} else {
php_error_docref(NULL, E_WARNING, "Invalid Nodetype to import");
RETVAL_NULL();
}
}
/* }}} */
static const zend_module_dep simplexml_deps[] = { /* {{{ */
ZEND_MOD_REQUIRED("libxml")
ZEND_MOD_REQUIRED("spl")
ZEND_MOD_END
};
/* }}} */
zend_module_entry simplexml_module_entry = { /* {{{ */
STANDARD_MODULE_HEADER_EX, NULL,
simplexml_deps,
"SimpleXML",
ext_functions,
PHP_MINIT(simplexml),
PHP_MSHUTDOWN(simplexml),
NULL,
NULL,
PHP_MINFO(simplexml),
PHP_SIMPLEXML_VERSION,
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_SIMPLEXML
ZEND_GET_MODULE(simplexml)
#endif
/* {{{ PHP_MINIT_FUNCTION(simplexml) */
PHP_MINIT_FUNCTION(simplexml)
{
ce_SimpleXMLElement = register_class_SimpleXMLElement(zend_ce_stringable, zend_ce_countable, spl_ce_RecursiveIterator);
ce_SimpleXMLElement->create_object = sxe_object_new;
ce_SimpleXMLElement->default_object_handlers = &sxe_object_handlers;
ce_SimpleXMLElement->get_iterator = php_sxe_get_iterator;
memcpy(&sxe_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
sxe_object_handlers.offset = XtOffsetOf(php_sxe_object, zo);
sxe_object_handlers.free_obj = sxe_object_free_storage;
sxe_object_handlers.clone_obj = sxe_object_clone;
sxe_object_handlers.read_property = sxe_property_read;
sxe_object_handlers.write_property = sxe_property_write;
sxe_object_handlers.read_dimension = sxe_dimension_read;
sxe_object_handlers.write_dimension = sxe_dimension_write;
sxe_object_handlers.get_property_ptr_ptr = sxe_property_get_adr;
sxe_object_handlers.has_property = sxe_property_exists;
sxe_object_handlers.unset_property = sxe_property_delete;
sxe_object_handlers.has_dimension = sxe_dimension_exists;
sxe_object_handlers.unset_dimension = sxe_dimension_delete;
sxe_object_handlers.get_properties = sxe_get_properties;
sxe_object_handlers.compare = sxe_objects_compare;
sxe_object_handlers.cast_object = sxe_object_cast;
sxe_object_handlers.count_elements = sxe_count_elements;
sxe_object_handlers.get_debug_info = sxe_get_debug_info;
sxe_object_handlers.get_closure = NULL;
sxe_object_handlers.get_gc = sxe_get_gc;
ce_SimpleXMLIterator = register_class_SimpleXMLIterator(ce_SimpleXMLElement);
php_libxml_register_export(ce_SimpleXMLElement, simplexml_export_node);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION(simplexml) */
PHP_MSHUTDOWN_FUNCTION(simplexml)
{
ce_SimpleXMLElement = NULL;
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION(simplexml) */
PHP_MINFO_FUNCTION(simplexml)
{
php_info_print_table_start();
php_info_print_table_row(2, "SimpleXML support", "enabled");
php_info_print_table_row(2, "Schema support",
#ifdef LIBXML_SCHEMAS_ENABLED
"enabled");
#else
"not available");
#endif
php_info_print_table_end();
}
/* }}} */
#endif
Reference in a new issue View git blame Copy permalink