81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_FORMS_SOURCE_XFORMS_PATHEXPRESSION_HXX
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#define INCLUDED_FORMS_SOURCE_XFORMS_PATHEXPRESSION_HXX
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#include "computedexpression.hxx"
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#include <vector>
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// forward declaractions
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namespace com { namespace sun { namespace star
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{
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namespace xml { namespace dom
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{
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class XNodeList;
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namespace events { class XEventListener; }
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} }
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} } }
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namespace xforms
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{
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/** PathExpression represents an XPath Expression and caches results */
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class PathExpression : public ComputedExpression
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{
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public:
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typedef std::vector<css::uno::Reference<css::xml::dom::XNode> > NodeVector_t;
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private:
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/// the node-list result from the last bind (cached from mxResult)
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NodeVector_t maNodes;
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protected:
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/// get expression for evaluation
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const OUString _getExpressionForEvaluation() const;
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public:
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PathExpression();
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~PathExpression();
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/// set the expression string
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/// (overridden to do remove old listeners)
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/// (also defines simple expressions)
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void setExpression( const OUString& rExpression );
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/// evaluate the expression relative to the content node.
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void evaluate( const xforms::EvaluationContext& rContext );
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// get the result of this expression as node/node list/...
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css::uno::Reference<css::xml::dom::XNode> getNode() const;
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const NodeVector_t& getNodeList() const { return maNodes;}
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css::uno::Reference<css::xml::dom::XNodeList> getXNodeList() const;
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};
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} // namespace xforms
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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