forked from qt-creator/qt-creator
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2013 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_SCANNER_H
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#define PYTHONEDITOR_SCANNER_H
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#include "pythonformattoken.h"
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#include "sourcecodestream.h"
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#include <QString>
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#include <QSet>
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namespace PythonEditor {
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namespace Internal {
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/**
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* @brief The Scanner class - scans source code for highlighting only
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*/
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class Scanner
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{
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Scanner(const Scanner &other);
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void operator =(const Scanner &other);
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public:
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enum State {
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State_Default,
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State_String,
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State_MultiLineString
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};
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Scanner(const QChar *text, const int length);
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~Scanner();
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void setState(int state);
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int state() const;
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FormatToken read();
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QString value(const FormatToken& tk) const;
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private:
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FormatToken onDefaultState();
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void checkEscapeSequence(QChar quoteChar);
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FormatToken readStringLiteral(QChar quoteChar);
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FormatToken readMultiLineStringLiteral(QChar quoteChar);
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FormatToken readIdentifier();
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FormatToken readNumber();
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FormatToken readFloatNumber();
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FormatToken readComment();
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FormatToken readDoxygenComment();
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FormatToken readWhiteSpace();
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FormatToken readOperator();
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void clearState();
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void saveState(State state, QChar savedData);
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void parseState(State &state, QChar &savedData) const;
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SourceCodeStream m_src;
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int m_state;
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const QSet<QString> m_keywords;
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const QSet<QString> m_magics;
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const QSet<QString> m_builtins;
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};
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} // namespace Internal
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} // namespace PythonEditor
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#endif // PYTHONEDITOR_SCANNER_H
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