1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski #ifndef _PATHEXPRESSION_HXX 25*b1cdbd2cSJim Jagielski #define _PATHEXPRESSION_HXX 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski 28*b1cdbd2cSJim Jagielski // include for parent class 29*b1cdbd2cSJim Jagielski #include "computedexpression.hxx" 30*b1cdbd2cSJim Jagielski 31*b1cdbd2cSJim Jagielski // includes for member variables 32*b1cdbd2cSJim Jagielski #include <vector> 33*b1cdbd2cSJim Jagielski 34*b1cdbd2cSJim Jagielski // forward declaractions 35*b1cdbd2cSJim Jagielski namespace com { namespace sun { namespace star 36*b1cdbd2cSJim Jagielski { 37*b1cdbd2cSJim Jagielski namespace xml { namespace dom 38*b1cdbd2cSJim Jagielski { 39*b1cdbd2cSJim Jagielski class XNodeList; 40*b1cdbd2cSJim Jagielski namespace events { class XEventListener; } 41*b1cdbd2cSJim Jagielski } } 42*b1cdbd2cSJim Jagielski } } } 43*b1cdbd2cSJim Jagielski 44*b1cdbd2cSJim Jagielski 45*b1cdbd2cSJim Jagielski 46*b1cdbd2cSJim Jagielski namespace xforms 47*b1cdbd2cSJim Jagielski { 48*b1cdbd2cSJim Jagielski 49*b1cdbd2cSJim Jagielski /** PathExpression represents an XPath Expression and caches results */ 50*b1cdbd2cSJim Jagielski class PathExpression : public ComputedExpression 51*b1cdbd2cSJim Jagielski { 52*b1cdbd2cSJim Jagielski public: 53*b1cdbd2cSJim Jagielski typedef std::vector<com::sun::star::uno::Reference<com::sun::star::xml::dom::XNode> > NodeVector_t; 54*b1cdbd2cSJim Jagielski 55*b1cdbd2cSJim Jagielski private: 56*b1cdbd2cSJim Jagielski /// the node-list result from the last bind (cached from mxResult) 57*b1cdbd2cSJim Jagielski NodeVector_t maNodes; 58*b1cdbd2cSJim Jagielski 59*b1cdbd2cSJim Jagielski protected: 60*b1cdbd2cSJim Jagielski /// get expression for evaluation 61*b1cdbd2cSJim Jagielski const rtl::OUString _getExpressionForEvaluation() const; 62*b1cdbd2cSJim Jagielski 63*b1cdbd2cSJim Jagielski 64*b1cdbd2cSJim Jagielski public: 65*b1cdbd2cSJim Jagielski PathExpression(); 66*b1cdbd2cSJim Jagielski ~PathExpression(); 67*b1cdbd2cSJim Jagielski 68*b1cdbd2cSJim Jagielski /// set the expression string 69*b1cdbd2cSJim Jagielski /// (overridden to do remove old listeners) 70*b1cdbd2cSJim Jagielski /// (also defines simple expressions) 71*b1cdbd2cSJim Jagielski void setExpression( const rtl::OUString& rExpression ); 72*b1cdbd2cSJim Jagielski 73*b1cdbd2cSJim Jagielski 74*b1cdbd2cSJim Jagielski /// evaluate the expression relative to the content node. 75*b1cdbd2cSJim Jagielski bool evaluate( const xforms::EvaluationContext& rContext ); 76*b1cdbd2cSJim Jagielski 77*b1cdbd2cSJim Jagielski 78*b1cdbd2cSJim Jagielski // get the result of this expression as node/node list/... 79*b1cdbd2cSJim Jagielski com::sun::star::uno::Reference<com::sun::star::xml::dom::XNode> getNode() const; 80*b1cdbd2cSJim Jagielski const NodeVector_t getNodeList() const; 81*b1cdbd2cSJim Jagielski com::sun::star::uno::Reference<com::sun::star::xml::dom::XNodeList> getXNodeList() const; 82*b1cdbd2cSJim Jagielski 83*b1cdbd2cSJim Jagielski }; 84*b1cdbd2cSJim Jagielski 85*b1cdbd2cSJim Jagielski } // namespace xforms 86*b1cdbd2cSJim Jagielski 87*b1cdbd2cSJim Jagielski #endif 88