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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_OUTPUT_WITH_DEPTH
#define INCLUDED_OUTPUT_WITH_DEPTH
#include <vector>
#include <iostream>
namespace writerfilter
{
using namespace ::std;
template <typename T>
class OutputWithDepth
{
typedef ::std::vector<T> Group_t;
Group_t mGroup;
unsigned int mnCurrentDepth;
unsigned int mnGroupDepth;
T mOpenTag;
T mCloseTag;
protected:
virtual void output(const T & aItem) const = 0;
void outputGroup();
void finalize();
public:
OutputWithDepth(const T & aOpenTag, const T & aCloseTag);
virtual ~OutputWithDepth();
void openGroup();
void closeGroup();
void addItem(const T & aItem);
void setDepth(unsigned int nDepth);
};
template <typename T>
OutputWithDepth<T>::OutputWithDepth(const T & aOpenTag, const T & aEndTag)
: mOpenTag(aOpenTag), mCloseTag(aEndTag)
{
}
template <typename T>
OutputWithDepth<T>::~OutputWithDepth()
{
}
template <typename T>
void OutputWithDepth<T>::finalize()
{
outputGroup();
}
template <typename T>
void OutputWithDepth<T>::openGroup()
{
outputGroup();
mnGroupDepth = 0;
}
template <typename T>
void OutputWithDepth<T>::closeGroup()
{
if (mnGroupDepth > mnCurrentDepth)
for (unsigned int i = 0; i < mnGroupDepth - mnCurrentDepth; ++i)
output(mOpenTag);
else if (mnGroupDepth < mnCurrentDepth)
for (unsigned int i = 0; i < mnCurrentDepth - mnGroupDepth; ++i)
output(mCloseTag);
outputGroup();
mnCurrentDepth = mnGroupDepth;
}
template <typename T>
void OutputWithDepth<T>::addItem(const T & aItem)
{
mGroup.push_back(aItem);
}
template <typename T>
void OutputWithDepth<T>::setDepth(unsigned int nDepth)
{
mnGroupDepth = nDepth;
}
template <typename T>
void OutputWithDepth<T>::outputGroup()
{
typename Group_t::iterator aItEnd = mGroup.end();
for (typename Group_t::iterator aIt = mGroup.begin(); aIt != aItEnd; aIt++)
{
output(*aIt);
}
mGroup.clear();
}
}
#endif // INCLUDED_OUTPUT_WITH_DEPTH
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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