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glslhighlighter.h
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glslhighlighter.h
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/*
* This file is part of ShaderWorkshop (https://github.com/VladimirMakeev/ShaderWorkshop).
* Copyright (C) 2019 Vladimir Makeev.
*
* ShaderWorkshop is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* ShaderWorkshop is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License
* along with ShaderWorkshop. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef GLSLHIGHLIGHTER_H
#define GLSLHIGHLIGHTER_H
#include <QSyntaxHighlighter>
#include <QRegularExpression>
#include <QStringList>
#include <QVector>
class GLSLHighlighter : public QSyntaxHighlighter
{
Q_OBJECT
public:
explicit GLSLHighlighter(QTextDocument *parent = Q_NULLPTR);
protected:
void highlightBlock(const QString &text) Q_DECL_OVERRIDE;
private:
void highlightMultiLineComments(const QString &text);
void setupHighlightingRules();
void setupKeywordRules();
void setupTypeRules();
void setupVariableRules();
void setupFunctionRules();
void addRules(const QStringList &patterns, const QTextCharFormat &format);
void addRule(const QString &pattern, const QTextCharFormat &format);
struct HighlightingRule
{
HighlightingRule() {}
HighlightingRule(const QRegularExpression &pattern,
const QTextCharFormat &format) :
pattern(pattern),
format(format)
{
}
QRegularExpression pattern;
QTextCharFormat format;
};
QVector<HighlightingRule> rules;
// multi-line comment patterns
QRegularExpression commentStart;
QRegularExpression commentEnd;
QTextCharFormat multiLineCommentFormat;
QColor keywordColor;
QColor typeColor;
QColor variableColor;
QColor functionColor;
QColor commentColor;
QColor preprocessorColor;
};
#endif // GLSLHIGHLIGHTER_H