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/*
* Copyright (c) 2004, Nate Nielsen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * The names of contributors to this software may not be
* used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*
* CONTRIBUTORS
* Nate Nielsen <nielsen@memberwebs.com>
*
*/
// LevelHandler
// Keeps track of levels (braces) in the RTF file.
//
#ifndef __LEVELHANDLER_H__
#define __LEVELHANDLER_H__
#include "rtfreader.h"
#include "reference.h"
#include "rtfparsehelpers.h"
/*
* LevelHandler
*
* A base class that manages a set of Levels (see XMLComposeHelpers.cpp)
* based on the RTF groups seen.
*/
class LevelHandler
: public RTFHandler
{
public:
LevelHandler();
virtual ~LevelHandler();
// Overrides
virtual void startDocument(RtfParser* parser);
virtual void endDocument();
virtual void groupStart();
virtual void groupEnd();
// Convenience function to get XML element from current level
virtual DOM::Element getElement();
// Create a new level on top of stack
void pushLevel();
// Pop top level and discard
void popLevel();
// Back out all the way past a given level
void rewindLevel(LevelPtr ptr);
// Get the current level
LevelPtr getLevel();
protected:
virtual void clear();
LevelPtr m_topLevel; // First level
LevelPtr m_curLevel; // The current level
RtfParser* m_parser; // The parser we're listening to
};
#endif // __LEVELHANDLER_H__
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