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200557c036
* Qt: Add syntax highlighter * Qt: add syntax highlighter to cg_disasm The glsl part is pretty much finished. The asm is still missing a few rules. Colors are not yet fully decided * Qt: add filter for syntax highlighter
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
#pragma once
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#include <QSyntaxHighlighter>
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#include <QRegularExpression>
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class syntax_highlighter : public QSyntaxHighlighter
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{
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Q_OBJECT
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enum BlockState
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{
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ENDED_OUTSIDE_COMMENT,
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ENDED_INSIDE_COMMENT
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};
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public:
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syntax_highlighter(QTextDocument *parent = 0);
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struct SimpleRule
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{
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QVector<QRegularExpression> expressions;
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QTextCharFormat format;
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SimpleRule(){}
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SimpleRule(const QVector<QRegularExpression>& expressions, const QTextCharFormat& format)
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: expressions(expressions), format(format) {}
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};
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struct MultiRule
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{
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QRegularExpression expression;
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QVector<QTextCharFormat> formats;
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MultiRule(){}
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MultiRule(const QRegularExpression& expr, const QVector<QTextCharFormat>& formats)
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: expression(expr), formats(formats) {}
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};
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struct CommentRule
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{
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QRegularExpression start_expression;
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QRegularExpression end_expression;
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QTextCharFormat format;
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bool multi_line = false;
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CommentRule(){}
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CommentRule(const QRegularExpression& start, const QRegularExpression& end, const QTextCharFormat& format, bool multi_line)
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: start_expression(start), end_expression(end), format(format), multi_line(multi_line) {}
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};
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/**
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Add a simple highlighting rule that applies the given format to all given expressions.
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You can add up to one Group to the expression. The full match group will be ignored
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*/
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void AddSimpleRule(SimpleRule rule);
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void AddSimpleRule(const QStringList& expressions, const QColor& color);
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/** Add a simple highlighting rule for words. Not supposed to be used with any other expression */
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void AddWordRule(const QStringList& words, const QColor& color);
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/**
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Add a complex highlighting rule that applies different formats to the expression's groups.
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Make sure you don't have more groups in your expression than formats !!!
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Group 0 is always the full match, so the first color has to be for that !!!
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Example expression for string "rdch $4,$6,$8,$5" with 6 groups (5 + full match):
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"^(?<group1>[^\s]+) (?<group2>[^,]+),(?<group3>[^,]+),(?<group4>[^,]+),(?<group5>[^,]+)$"
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*/
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void AddMultiRule(const MultiRule& rule);
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void AddMultiRule(const QString& expression, const QVector<QColor>& colors);
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/**
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Add a comment highlighting rule. Add them in ascending priority.
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We only need rule.end_expression in case of rule.multi_line.
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A block ends at the end of a line anyway.
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*/
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void AddCommentRule(const CommentRule& rule);
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void AddCommentRule(const QString& start, const QColor& color, bool multi_line = false, const QString& end = "");
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protected:
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void highlightBlock(const QString &text) override;
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private:
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/** Checks if an expression is invalid or empty */
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static bool IsInvalidExpression(const QRegularExpression& expression);
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QVector<SimpleRule> m_rules;
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QVector<CommentRule> m_comment_rules;
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QVector<MultiRule> m_multi_rules;
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QString m_current_block;
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};
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