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simplexml.c
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/*
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Sterling Hughes <[email protected]> |
| Marcus Boerger <[email protected]> |
| Rob Richards <[email protected]> |
+----------------------------------------------------------------------+
*/
#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);
static void sxe_unlink_node(xmlNodePtr node)
{
xmlUnlinkNode(node);
/* Only destroy the nodes if we have no objects using them anymore.
* Don't assume simplexml owns these. */
if (!node->_private) {
php_libxml_node_free_resource(node);
}
}
/* {{{ _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)) {
sxe_unlink_node(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 {
/* Note: we cannot set the namespace here unconditionally because the parent may be a document.
* Passing NULL will let libxml decide to either inherit the namespace or not set one at all,
* depending on whether the parent is an element. */
newnode = xmlNewTextChild(mynode, NULL, (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;
cache_slot[0] = cache_slot[1] = cache_slot[2] = NULL;
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)) {
sxe_unlink_node((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)) {
sxe_unlink_node((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) {
sxe_unlink_node(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)) {
sxe_unlink_node(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) {