/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ #ifndef _PATHEXPRESSION_HXX #define _PATHEXPRESSION_HXX // include for parent class #include "computedexpression.hxx" // includes for member variables #include // forward declaractions namespace com { namespace sun { namespace star { namespace xml { namespace dom { class XNodeList; namespace events { class XEventListener; } } } } } } namespace xforms { /** PathExpression represents an XPath Expression and caches results */ class PathExpression : public ComputedExpression { public: typedef std::vector > NodeVector_t; private: /// the node-list result from the last bind (cached from mxResult) NodeVector_t maNodes; protected: /// get expression for evaluation const rtl::OUString _getExpressionForEvaluation() const; public: PathExpression(); ~PathExpression(); /// set the expression string /// (overridden to do remove old listeners) /// (also defines simple expressions) void setExpression( const rtl::OUString& rExpression ); /// evaluate the expression relative to the content node. bool evaluate( const xforms::EvaluationContext& rContext ); // get the result of this expression as node/node list/... com::sun::star::uno::Reference getNode() const; const NodeVector_t getNodeList() const; com::sun::star::uno::Reference getXNodeList() const; }; } // namespace xforms #endif