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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#ifndef SEMANTICHIGHLIGHTER_H
#define SEMANTICHIGHLIGHTER_H
#include "cpptools_global.h"
#include <QFutureWatcher>
#include <QScopedPointer>
#include <QTextCharFormat>
#include <functional>
namespace TextEditor {
class HighlightingResult;
class TextDocument;
}
namespace CppTools {
class CPPTOOLS_EXPORT SemanticHighlighter : public QObject
{
Q_OBJECT
public:
enum Kind {
Unknown = 0,
TypeUse,
LocalUse,
FieldUse,
EnumerationUse,
VirtualMethodUse,
LabelUse,
MacroUse,
FunctionUse,
PseudoKeywordUse,
StringUse
};
typedef std::function<QFuture<TextEditor::HighlightingResult> ()> HighlightingRunner;
public:
explicit SemanticHighlighter(TextEditor::TextDocument *baseTextDocument);
~SemanticHighlighter();
void setHighlightingRunner(HighlightingRunner highlightingRunner);
void updateFormatMapFromFontSettings();
void run();
private slots:
void onHighlighterResultAvailable(int from, int to);
void onHighlighterFinished();
private:
void connectWatcher();
void disconnectWatcher();
unsigned documentRevision() const;
private:
TextEditor::TextDocument *m_baseTextDocument;
unsigned m_revision;
QScopedPointer<QFutureWatcher<TextEditor::HighlightingResult>> m_watcher;
QHash<int, QTextCharFormat> m_formatMap;
HighlightingRunner m_highlightingRunner;
};
} // namespace CppTools
#endif // SEMANTICHIGHLIGHTER_H
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