Initial import

src/plugins/texteditor/textblockiterator.cpp

@@ -0,0 +1,96 @@
+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** 
+** Non-Open Source Usage  
+** 
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.  
+** 
+** GNU General Public License Usage 
+** 
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+#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;
+}