1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef _PATHEXPRESSION_HXX 29*cdf0e10cSrcweir #define _PATHEXPRESSION_HXX 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir 32*cdf0e10cSrcweir // include for parent class 33*cdf0e10cSrcweir #include "computedexpression.hxx" 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir // includes for member variables 36*cdf0e10cSrcweir #include <vector> 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir // forward declaractions 39*cdf0e10cSrcweir namespace com { namespace sun { namespace star 40*cdf0e10cSrcweir { 41*cdf0e10cSrcweir namespace xml { namespace dom 42*cdf0e10cSrcweir { 43*cdf0e10cSrcweir class XNodeList; 44*cdf0e10cSrcweir namespace events { class XEventListener; } 45*cdf0e10cSrcweir } } 46*cdf0e10cSrcweir } } } 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir namespace xforms 51*cdf0e10cSrcweir { 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir /** PathExpression represents an XPath Expression and caches results */ 54*cdf0e10cSrcweir class PathExpression : public ComputedExpression 55*cdf0e10cSrcweir { 56*cdf0e10cSrcweir public: 57*cdf0e10cSrcweir typedef std::vector<com::sun::star::uno::Reference<com::sun::star::xml::dom::XNode> > NodeVector_t; 58*cdf0e10cSrcweir 59*cdf0e10cSrcweir private: 60*cdf0e10cSrcweir /// the node-list result from the last bind (cached from mxResult) 61*cdf0e10cSrcweir NodeVector_t maNodes; 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir protected: 64*cdf0e10cSrcweir /// get expression for evaluation 65*cdf0e10cSrcweir const rtl::OUString _getExpressionForEvaluation() const; 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir 68*cdf0e10cSrcweir public: 69*cdf0e10cSrcweir PathExpression(); 70*cdf0e10cSrcweir ~PathExpression(); 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir /// set the expression string 73*cdf0e10cSrcweir /// (overridden to do remove old listeners) 74*cdf0e10cSrcweir /// (also defines simple expressions) 75*cdf0e10cSrcweir void setExpression( const rtl::OUString& rExpression ); 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir 78*cdf0e10cSrcweir /// evaluate the expression relative to the content node. 79*cdf0e10cSrcweir bool evaluate( const xforms::EvaluationContext& rContext ); 80*cdf0e10cSrcweir 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir // get the result of this expression as node/node list/... 83*cdf0e10cSrcweir com::sun::star::uno::Reference<com::sun::star::xml::dom::XNode> getNode() const; 84*cdf0e10cSrcweir const NodeVector_t getNodeList() const; 85*cdf0e10cSrcweir com::sun::star::uno::Reference<com::sun::star::xml::dom::XNodeList> getXNodeList() const; 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir }; 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir } // namespace xforms 90*cdf0e10cSrcweir 91*cdf0e10cSrcweir #endif 92