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/**************************************************************************
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
** If you are unsure which license is appropriate for your use, please
**************************************************************************/
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#include "textblockiterator.h"
#include <QtGui/QTextDocument>
using namespace TextEditor;
TextBlockIterator::TextBlockIterator()
: m_document(0),
m_initialized(false)
{ }
TextBlockIterator::TextBlockIterator(const QTextBlock &block)
: m_document(block.document()),
m_block(block),
m_initialized(false)
{ }
bool TextBlockIterator::equals(const TextBlockIterator &other) const
{
if (m_document != other.m_document)
return false;
return m_block == other.m_block;
}
QString TextBlockIterator::operator*() const
{
if (! m_initialized)
read();
return m_text;
}
void TextBlockIterator::read() const
{
m_initialized = true;
m_text = m_block.text();
}
TextBlockIterator &TextBlockIterator::operator++()
{
m_initialized = false;
m_block = m_block.next();
return *this;
}
TextBlockIterator &TextBlockIterator::operator--()
{
m_initialized = false;
m_block = m_block.previous();
return *this;
}
TextBlockIterator TextBlockIterator::operator++(int)
{
TextBlockIterator prev;
++*this;
return prev;
}
TextBlockIterator TextBlockIterator::operator--(int)
{
TextBlockIterator prev;
--*this;
return prev;
}