/* {{{ proto void DOMXPath::__construct(DOMDocument doc) U */
PHP_METHOD(domxpath, __construct)
{
zval *id, *doc;
xmlDocPtr docp = NULL;
dom_object *docobj;
dom_xpath_object *intern;
xmlXPathContextPtr ctx, oldctx;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, dom_domexception_class_entry, &error_handling TSRMLS_CC);
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "OO", &id, dom_xpath_class_entry, &doc, dom_document_class_entry) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
DOM_GET_OBJ(docp, doc, xmlDocPtr, docobj);
ctx = xmlXPathNewContext(docp);
if (ctx == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, 1 TSRMLS_CC);
RETURN_FALSE;
}
intern = Z_XPATHOBJ_P(id);
if (intern != NULL) {
oldctx = (xmlXPathContextPtr)intern->dom.ptr;
if (oldctx != NULL) {
php_libxml_decrement_doc_ref((php_libxml_node_object *) &intern->dom TSRMLS_CC);
xmlXPathFreeContext(oldctx);
}
xmlXPathRegisterFuncNS (ctx, (const xmlChar *) "functionString",
(const xmlChar *) "http://php.net/xpath",
dom_xpath_ext_function_string_php);
xmlXPathRegisterFuncNS (ctx, (const xmlChar *) "function",
(const xmlChar *) "http://php.net/xpath",
dom_xpath_ext_function_object_php);
intern->dom.ptr = ctx;
ctx->userData = (void *)intern;
intern->dom.document = docobj->document;
php_libxml_increment_doc_ref((php_libxml_node_object *) &intern->dom, docp TSRMLS_CC);
}
}
/* {{{ proto DOMXPath::__construct(DOMDocument doc) U */
PHP_METHOD(domxpath, __construct)
{
zval *doc;
xmlDocPtr docp = NULL;
dom_object *docobj;
dom_xpath_object *intern;
xmlXPathContextPtr ctx, oldctx;
if (zend_parse_parameters_throw(ZEND_NUM_ARGS(), "O", &doc, dom_document_class_entry) == FAILURE) {
return;
}
DOM_GET_OBJ(docp, doc, xmlDocPtr, docobj);
ctx = xmlXPathNewContext(docp);
if (ctx == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, 1);
RETURN_FALSE;
}
intern = Z_XPATHOBJ_P(ZEND_THIS);
if (intern != NULL) {
oldctx = (xmlXPathContextPtr)intern->dom.ptr;
if (oldctx != NULL) {
php_libxml_decrement_doc_ref((php_libxml_node_object *) &intern->dom);
xmlXPathFreeContext(oldctx);
}
xmlXPathRegisterFuncNS (ctx, (const xmlChar *) "functionString",
(const xmlChar *) "http://php.net/xpath",
dom_xpath_ext_function_string_php);
xmlXPathRegisterFuncNS (ctx, (const xmlChar *) "function",
(const xmlChar *) "http://php.net/xpath",
dom_xpath_ext_function_object_php);
intern->dom.ptr = ctx;
ctx->userData = (void *)intern;
intern->dom.document = docobj->document;
php_libxml_increment_doc_ref((php_libxml_node_object *) &intern->dom, docp);
}
}
static void php_xpath_eval(INTERNAL_FUNCTION_PARAMETERS, int type) /* {{{ */
{
zval *id, retval, *context = NULL;
xmlXPathContextPtr ctxp;
xmlNodePtr nodep = NULL;
xmlXPathObjectPtr xpathobjp;
size_t expr_len, nsnbr = 0, xpath_type;
dom_xpath_object *intern;
dom_object *nodeobj;
char *expr;
xmlDoc *docp = NULL;
xmlNsPtr *ns = NULL;
zend_bool register_node_ns = 1;
if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Os|O!b", &id, dom_xpath_class_entry, &expr, &expr_len, &context, dom_node_class_entry, ®ister_node_ns) == FAILURE) {
return;
}
intern = Z_XPATHOBJ_P(id);
ctxp = (xmlXPathContextPtr) intern->dom.ptr;
if (ctxp == NULL) {
php_error_docref(NULL, E_WARNING, "Invalid XPath Context");
RETURN_FALSE;
}
docp = (xmlDocPtr) ctxp->doc;
if (docp == NULL) {
php_error_docref(NULL, E_WARNING, "Invalid XPath Document Pointer");
RETURN_FALSE;
}
if (context != NULL) {
DOM_GET_OBJ(nodep, context, xmlNodePtr, nodeobj);
}
if (!nodep) {
nodep = xmlDocGetRootElement(docp);
}
if (nodep && docp != nodep->doc) {
php_error_docref(NULL, E_WARNING, "Node From Wrong Document");
RETURN_FALSE;
}
ctxp->node = nodep;
if (register_node_ns) {
/* Register namespaces in the node */
ns = xmlGetNsList(docp, nodep);
if (ns != NULL) {
while (ns[nsnbr] != NULL)
nsnbr++;
}
}
ctxp->namespaces = ns;
ctxp->nsNr = nsnbr;
xpathobjp = xmlXPathEvalExpression((xmlChar *) expr, ctxp);
ctxp->node = NULL;
if (ns != NULL) {
xmlFree(ns);
ctxp->namespaces = NULL;
ctxp->nsNr = 0;
}
if (! xpathobjp) {
RETURN_FALSE;
}
if (type == PHP_DOM_XPATH_QUERY) {
xpath_type = XPATH_NODESET;
} else {
xpath_type = xpathobjp->type;
}
switch (xpath_type) {
case XPATH_NODESET:
{
int i;
xmlNodeSetPtr nodesetp;
array_init(&retval);
if (xpathobjp->type == XPATH_NODESET && NULL != (nodesetp = xpathobjp->nodesetval)) {
for (i = 0; i < nodesetp->nodeNr; i++) {
xmlNodePtr node = nodesetp->nodeTab[i];
zval child;
if (node->type == XML_NAMESPACE_DECL) {
xmlNsPtr curns;
xmlNodePtr nsparent;
nsparent = node->_private;
curns = xmlNewNs(NULL, node->name, NULL);
if (node->children) {
curns->prefix = xmlStrdup((xmlChar *) node->children);
}
if (node->children) {
node = xmlNewDocNode(docp, NULL, (xmlChar *) node->children, node->name);
} else {
node = xmlNewDocNode(docp, NULL, (xmlChar *) "xmlns", node->name);
}
node->type = XML_NAMESPACE_DECL;
node->parent = nsparent;
node->ns = curns;
}
php_dom_create_object(node, &child, &intern->dom);
add_next_index_zval(&retval, &child);
}
}
php_dom_create_interator(return_value, DOM_NODELIST);
nodeobj = Z_DOMOBJ_P(return_value);
dom_xpath_iter(&retval, nodeobj);
break;
}
case XPATH_BOOLEAN:
RETVAL_BOOL(xpathobjp->boolval);
break;
case XPATH_NUMBER:
RETVAL_DOUBLE(xpathobjp->floatval)
break;
case XPATH_STRING:
RETVAL_STRING((char *) xpathobjp->stringval);
break;
default:
RETVAL_NULL();
break;
}
xmlXPathFreeObject(xpathobjp);
}