87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
// @HEADER
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// ***********************************************************************
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//
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// Teuchos: Common Tools Package
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// Copyright (2004) Sandia Corporation
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//
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// license for use of this work by or on behalf of the U.S. Government.
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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//
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// ***********************************************************************
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// @HEADER
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#ifndef Teuchos_TREEBUILDINGXMLHANDLER_H
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#define Teuchos_TREEBUILDINGXMLHANDLER_H
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/*! \file Teuchos_TreeBuildingXMLHandler.hpp
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\brief Defines a class for assembling an XMLObject from XML input
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*/
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#include "Teuchos_ConfigDefs.hpp"
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#include "Teuchos_XMLObject.hpp"
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#include <list>
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#include <stack>
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namespace Teuchos
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{
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/** \ingroup XML
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* \brief TreeBuildingXMLHandler assembles a XMLObject from your XML input.
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*/
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class TreeBuildingXMLHandler
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{
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typedef Teuchos::map<std::string, std::string> Map;
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public:
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/** \brief Empty constructor */
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TreeBuildingXMLHandler();
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/** \brief Retrieve the entire XML tree */
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const XMLObject& getObject() const
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{
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// valid XML requires a root object; we will allow empty XML files
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TEST_FOR_EXCEPTION(
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root_.isEmpty(), EmptyXMLError
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,"Error, An empty XML std::string or file was specified!"
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" The XML specification requires at minimum the presence"
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" of a root element!" );
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return root_.getChild(0);
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}
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/** \brief Process character data */
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void characters(const std::string& chars);
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/** \brief Receive notification of the end of an element */
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int endElement(const std::string& tag);
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/** \brief Receive notification of the start of an element */
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void startElement(const std::string& tag,
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const Map& attributes);
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private:
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XMLObject root_;
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XMLObject current_;
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std::stack<XMLObject> path_;
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};
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}
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#endif
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