forked from qt-creator/qt-creator
161 lines
5.4 KiB
C++
161 lines
5.4 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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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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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#ifndef RULE_H
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#define RULE_H
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#include <QtCore/QString>
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#include <QtCore/QList>
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#include <QtCore/QSharedPointer>
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namespace GenericEditor {
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namespace Internal {
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class ProgressData;
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class HighlightDefinition;
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class Rule
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{
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public:
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Rule(bool consumesNonSpace = true);
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virtual ~Rule();
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void setContext(const QString &context);
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const QString &context() const;
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void setItemData(const QString &itemData);
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const QString &itemData() const;
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void setBeginRegion(const QString &begin);
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const QString &beginRegion() const;
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void setEndRegion(const QString &end);
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const QString &endRegion() const;
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void setLookAhead(const QString &lookAhead);
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bool isLookAhead() const;
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void setFirstNonSpace(const QString &firstNonSpace);
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bool isFirstNonSpace() const;
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void setColumn(const QString &column);
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int column() const;
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void addChild(const QSharedPointer<Rule> &rule);
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const QList<QSharedPointer<Rule> > &childs() const;
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bool hasChild() const;
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void setDefinition(const QSharedPointer<HighlightDefinition> &definition);
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const QSharedPointer<HighlightDefinition> &definition() const;
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bool matchSucceed(const QString &text, const int length, ProgressData *progress) const;
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Rule *clone() const;
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protected:
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bool charPredicateMatchSucceed(const QString &text,
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const int length,
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ProgressData *progress,
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bool (QChar::* predicate)() const) const;
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bool charPredicateMatchSucceed(const QString &text,
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const int length,
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ProgressData *progress,
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bool (*predicate)(const QChar &)) const;
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bool matchCharacter(const QString &text,
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const int length,
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ProgressData *progress,
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const QChar &c,
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bool saveRestoreOffset = true) const;
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bool matchEscapeSequence(const QString &text,
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const int length,
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ProgressData *progress,
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bool saveRestoreOffset = true) const;
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bool matchOctalSequence(const QString &text,
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const int length,
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ProgressData *progress,
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bool saveRestoreOffset = true) const;
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bool matchHexSequence(const QString &text,
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const int length,
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ProgressData *progress,
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bool saveRestoreOffset = true) const;
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static const QLatin1Char kBackSlash;
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static const QLatin1Char kUnderscore;
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static const QLatin1Char kDot;
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static const QLatin1Char kPlus;
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static const QLatin1Char kMinus;
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static const QLatin1Char kZero;
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static const QLatin1Char kQuote;
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static const QLatin1Char kSingleQuote;
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static const QLatin1Char kQuestion;
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static const QLatin1Char kX;
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static const QLatin1Char kA;
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static const QLatin1Char kB;
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static const QLatin1Char kE;
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static const QLatin1Char kF;
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static const QLatin1Char kN;
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static const QLatin1Char kR;
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static const QLatin1Char kT;
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static const QLatin1Char kV;
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private:
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virtual bool doMatchSucceed(const QString &text,
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const int length,
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ProgressData *progress) const = 0;
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virtual Rule *doClone() const = 0;
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template <class predicate_t>
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bool predicateMatchSucceed(const QString &text,
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const int length,
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ProgressData *progress,
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const predicate_t &p) const;
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QString m_context;
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QString m_itemData;
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QString m_beginRegion;
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QString m_endRegion;
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bool m_lookAhead;
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bool m_firstNonSpace;
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int m_column;
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bool m_consumesNonSpace;
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QList<QSharedPointer<Rule> > m_childRules;
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// Rules are represented within contexts. However, they have their own definition because
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// of externally included rules.
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QSharedPointer<HighlightDefinition> m_definition;
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};
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} // namespace Internal
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} // namespace GenericEditor
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#endif // RULE_H
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