/************************************************************************* * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: pathexpression.hxx,v $ * * $Revision: 1.4 $ * * last change: $Author: rt $ $Date: 2005-09-08 23:20:18 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2005 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ************************************************************************/ #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