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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef PYTHONEDITOR_SOURCECODESTREAM_H
#define PYTHONEDITOR_SOURCECODESTREAM_H
#include <QString>
namespace PythonEditor {
namespace Internal {
class SourceCodeStream
{
public:
SourceCodeStream(const QChar *text, int length)
:m_text(text)
,m_textLength(length)
,m_position(0)
,m_markedPosition(0)
{}
inline void setAnchor()
{
m_markedPosition = m_position;
}
inline void move()
{
++m_position;
}
inline int length() const
{
return m_position - m_markedPosition;
}
inline int anchor() const
{
return m_markedPosition;
}
inline bool isEnd() const
{
return m_position >= m_textLength;
}
inline QChar peek(int offset = 0) const
{
int pos = m_position + offset;
if (pos >= m_textLength)
return QLatin1Char('\0');
return m_text[pos];
}
inline QString value() const
{
const QChar *start = m_text + m_markedPosition;
return QString(start, length());
}
inline QString value(int begin, int length) const
{
return QString(m_text + begin, length);
}
private:
const QChar *m_text;
const int m_textLength;
int m_position;
int m_markedPosition;
};
} // namespace Internal
} // namespace PythonEditor
#endif // PYTHONEDITOR_SOURCECODESTREAM_H
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