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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>
*
*/
#include "usuals.h"
#include "levelhandler.h"
/* ----------------------------------------------------------------------------------
* CONSTRUCTION
*/
LevelHandler::LevelHandler()
{
m_reader = NULL;
}
LevelHandler::~LevelHandler()
{
clear();
}
void LevelHandler::clear()
{
m_curLevel.release();
m_topLevel.release();
m_parser = NULL;
}
/* ----------------------------------------------------------------------------------
* OVERRIDES
*/
void LevelHandler::startDocument(RtfParser* parser)
{
clear();
m_parser = parser;
m_topLevel = new Level;
m_curLevel = m_topLevel;
}
void LevelHandler::endDocument()
{
}
void LevelHandler::groupStart()
{
ASSERT(m_curLevel);
pushLevel();
}
void LevelHandler::groupEnd()
{
ASSERT(m_curLevel);
popLevel();
}
/* ----------------------------------------------------------------------------------
* OPERATIONS
*/
DOM::Element LevelHandler::getElement()
{
ASSERT(m_curLevel);
return m_curLevel->getElement();
}
void LevelHandler::pushLevel()
{
// Push a level on the stack
m_curLevel = m_curLevel->pushLevel();
}
void LevelHandler::popLevel()
{
// Pull a level off the stack
LevelPtr level = m_curLevel->getPrevious();
if(level)
m_curLevel = level;
}
void LevelHandler::rewindLevel(LevelPtr ptr)
{
ASSERT(ptr != NULL);
LevelPtr prev = ptr->getPrevious();
if(prev != NULL)
m_curLevel = prev;
else
m_curLevel = ptr;
}
LevelPtr LevelHandler::getLevel()
{
return m_curLevel;
}
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