Example #1
0
/* {{{ 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);
	}
}
Example #2
0
/* {{{ 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);
	}
}
Example #3
0
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, &register_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);
}