qtextmarkdownwriter_p.h

Enable keyboard shortcuts

// Copyright (C) 2019 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QTEXTMARKDOWNWRITER_P_H

#define QTEXTMARKDOWNWRITER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtGui/private/qtguiglobal_p.h>

#include <QtCore/QTextStream>

#include "qtextdocument_p.h"

#include "qtextdocumentwriter.h"

QT_BEGIN_NAMESPACE

class QAbstractItemModel;

class QTextTableCell;

class Q_GUI_EXPORT QTextMarkdownWriter

public:

    QTextMarkdownWriter(QTextStream &stream, QTextDocument::MarkdownFeatures features);

    bool writeAll(const QTextDocument *document);

#if QT_CONFIG(itemmodel)

    void writeTable(const QAbstractItemModel *table);

#endif

    int writeBlock(const QTextBlock &block, bool table, bool ignoreFormat, bool ignoreEmpty);

    void writeFrame(const QTextFrame *frame);

    void writeFrontMatter(const QString &fm);

private:

    struct ListInfo {

        bool loose;

};

    ListInfo listInfo(QTextList *list);

    void setLinePrefixForBlockQuote(int level);

    int measureCellWidth(const QTextTableCell &cell, bool ignoreFormat);

private:

    // The part of the writer's state that writeBlock() mutates as it goes.

    // Grouped together so that measureCellWidth() can save, reset and restore

    // it in one go.

    struct BlockState {

        QString linePrefix;

        QString codeBlockFence;

        int wrappedLineIndent = 0;

        int lastListIndent = 1;

        bool doubleNewlineWritten = false;

        bool linePrefixWritten = false;

        bool indentedCodeBlock = false;

        bool fencedCodeBlock = false;

};

    // A pointer rather than a reference, because measureCellWidth() temporarily

    // redirects output to a scratch stream; but it is never null.

    QTextStream *m_stream;

    QTextDocument::MarkdownFeatures m_features;

    QMap<QTextList *, ListInfo> m_listInfo;

    BlockState m_blockState;

};

QT_END_NAMESPACE

#endif // QTEXTMARKDOWNWRITER_P_H