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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef GITHIGHLIGHTERS_H
#define GITHIGHLIGHTERS_H

#include <texteditor/syntaxhighlighter.h>

namespace TextEditor { class FontSettings; }

namespace Git {
namespace Internal {

enum Format {
    Format_Comment,
    Format_Change,
    Format_Description,
    Format_Pick,
    Format_Reword,
    Format_Edit,
    Format_Squash,
    Format_Fixup,
    Format_Exec
};

// Highlighter for git submit messages. Make the first line bold, indicates
// comments as such (retrieving the format from the text editor) and marks up
// keywords (words in front of a colon as in 'Task: <bla>').
class GitSubmitHighlighter : public TextEditor::SyntaxHighlighter
{
public:
    explicit GitSubmitHighlighter(QTextEdit *parent);
    explicit GitSubmitHighlighter(TextEditor::BaseTextDocument *parent);
    void highlightBlock(const QString &text);

private:
    void initialize();

    enum State { None = -1, Header, Other };
    QRegExp m_keywordPattern;
    QChar m_hashChar;
};

// Highlighter for interactive rebase todo. Indicates comments as such
// (retrieving the format from the text editor) and marks up keywords
class GitRebaseHighlighter : public TextEditor::SyntaxHighlighter
{
public:
    explicit GitRebaseHighlighter(TextEditor::BaseTextDocument *parent);
    void highlightBlock(const QString &text);

private:
    class RebaseAction
    {
    public:
        mutable QRegExp exp;
        Format formatCategory;
        RebaseAction(const QString &regexp, const Format formatCategory);
    };
    const QChar m_hashChar;
    QRegExp m_changeNumberPattern;
    QList<RebaseAction> m_actions;
};

} // namespace Internal
} // namespace Git

#endif // GITHIGHLIGHTERS_H
