forked from qt-creator/qt-creator
746c5d8863
Change-Id: Ib5423fdd064e4546f848c0b640b0ed0514c26d3a Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com> Reviewed-by: Kai Koehne <kai.koehne@digia.com>
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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****************************************************************************/
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#ifndef PYTHONEDITOR_SOURCECODESTREAM_H
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#define PYTHONEDITOR_SOURCECODESTREAM_H
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#include <QString>
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namespace PythonEditor {
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namespace Internal {
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class SourceCodeStream
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{
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public:
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SourceCodeStream(const QChar *text, int length)
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:m_text(text)
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,m_textLength(length)
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,m_position(0)
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,m_markedPosition(0)
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{}
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inline void setAnchor()
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{
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m_markedPosition = m_position;
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}
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inline void move()
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{
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++m_position;
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}
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inline int length() const
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{
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return m_position - m_markedPosition;
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}
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inline int anchor() const
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{
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return m_markedPosition;
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}
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inline bool isEnd() const
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{
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return m_position >= m_textLength;
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}
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inline QChar peek(int offset = 0) const
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{
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int pos = m_position + offset;
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if (pos >= m_textLength)
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return QLatin1Char('\0');
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return m_text[pos];
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}
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inline QString value() const
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{
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const QChar *start = m_text + m_markedPosition;
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return QString(start, length());
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}
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inline QString value(int begin, int length) const
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{
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return QString(m_text + begin, length);
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}
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private:
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const QChar *m_text;
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const int m_textLength;
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int m_position;
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int m_markedPosition;
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};
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} // namespace Internal
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} // namespace PythonEditor
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#endif // PYTHONEDITOR_SOURCECODESTREAM_H
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