highlighter.h

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#ifndef HIGHLIGHTER_H
#define HIGHLIGHTER_H

#include <QSyntaxHighlighter>
#include <QHash>
#include <QTextCharFormat>

class QTextDocument;

class Highlighter : public QSyntaxHighlighter
{
    Q_OBJECT

public:
    Highlighter(QString filetype, QString theme, QTextDocument *parent = 0);
    void setTheme(QString filetype, QString theme);

protected:
    void highlightBlock(const QString &text);

private:
    void setupHighlighter(QString fileType, QString theme);
    void setColorValues(QString theme);
    void setCompiledLanguageRules();
    void setScriptingLanguageRules();
    void setMarkupLanguageRules();
    void setRoboticLanguageRules();
    void setAsmRules();
    void setCssRules();
    void setSqlRules();

    struct HighlightingRule
    {
        QRegExp pattern;
        QTextCharFormat format;
    };
    QVector<HighlightingRule> highlightingRules;

    QRegExp commentStartExpression;
    QRegExp commentEndExpression;

    QTextCharFormat keywordFormat;
    QTextCharFormat numberFormat;
    QTextCharFormat singleLineCommentFormat;
    QTextCharFormat multiLineCommentFormat;
    QTextCharFormat quotationFormat;
    QTextCharFormat functionFormat;
    QTextCharFormat formatStringFormat;
    QTextCharFormat operatorFormat;
    QTextCharFormat phpVarFormat;
    QTextCharFormat rubyVarFormat;
    QTextCharFormat tagFormat;
    QTextCharFormat valueFormat;
    QTextCharFormat attributeFormat;
    QTextCharFormat idFormat;
    QTextCharFormat classFormat;

    QStringList compiledLanguages;
    QStringList scriptingLanguages;
    QStringList markupLanguages;
    QStringList roboticLanguage;

    QColor keywordColor;
    QColor keyword2Color;
    QColor functionsColor;
    QColor valueColor;
    QColor numColor;
    QColor operatorColor;
    QColor formatStringColor;
    QColor commentColor;
    QColor varColor;
    QColor tagColor;
    QColor htmlAttributesColor;
    QColor cssClassesIDsColor;
    QColor cssAttributesColor;
};

#endif // HIGHLIGHTER_H