summaryrefslogtreecommitdiff
path: root/src/highlighter.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/highlighter.h')
-rw-r--r--src/highlighter.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/highlighter.h b/src/highlighter.h
new file mode 100644
index 0000000..2cd4c2b
--- /dev/null
+++ b/src/highlighter.h
@@ -0,0 +1,86 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#pragma once
+
+#include <QSyntaxHighlighter>
+#include <QTextCharFormat>
+#include <QRegularExpression>
+
+class QTextDocument;
+
+class Highlighter
+ : public QSyntaxHighlighter
+{
+ Q_OBJECT
+
+public:
+ Highlighter(QTextDocument *parent = 0);
+
+protected:
+ void highlightBlock(const QString &text) override;
+
+private:
+ struct HighlightingRule
+ {
+ QRegularExpression pattern;
+ QTextCharFormat format;
+ };
+ QVector<HighlightingRule> highlightingRules;
+
+ QRegularExpression commentStartExpression;
+ QRegularExpression commentEndExpression;
+
+ QTextCharFormat keywordFormat;
+ QTextCharFormat classFormat;
+ QTextCharFormat singleLineCommentFormat;
+ QTextCharFormat multiLineCommentFormat;
+ QTextCharFormat quotationFormat;
+ QTextCharFormat functionFormat;
+};