qt6windows7/examples/widgets/richtext/syntaxhighlighter/highlighter.h
2023-10-29 23:33:08 +01:00

47 lines
1.0 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef HIGHLIGHTER_H
#define HIGHLIGHTER_H
#include <QSyntaxHighlighter>
#include <QTextCharFormat>
#include <QRegularExpression>
QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE
//! [0]
class Highlighter : public QSyntaxHighlighter
{
Q_OBJECT
public:
Highlighter(QTextDocument *parent = nullptr);
protected:
void highlightBlock(const QString &text) override;
private:
struct HighlightingRule
{
QRegularExpression pattern;
QTextCharFormat format;
};
QList<HighlightingRule> highlightingRules;
QRegularExpression commentStartExpression;
QRegularExpression commentEndExpression;
QTextCharFormat keywordFormat;
QTextCharFormat classFormat;
QTextCharFormat singleLineCommentFormat;
QTextCharFormat multiLineCommentFormat;
QTextCharFormat quotationFormat;
QTextCharFormat functionFormat;
};
//! [0]
#endif // HIGHLIGHTER_H