qt-creator/src/libs/utils/textutils.h

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** Copyright (C) 2016 The Qt Company Ltd.
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#pragma once

#include "linecolumn.h"
#include "utils_global.h"

#include <QString>

QT_FORWARD_DECLARE_CLASS(QTextDocument)
QT_FORWARD_DECLARE_CLASS(QTextCursor)

namespace Utils {
namespace Text {

// line is 1-based, column is 0-based
QTCREATOR_UTILS_EXPORT bool convertPosition(const QTextDocument *document,
                                            int pos,
                                            int *line, int *column);
QTCREATOR_UTILS_EXPORT
OptionalLineColumn convertPosition(const QTextDocument *document, int pos);

// line and column are 1-based
QTCREATOR_UTILS_EXPORT int positionInText(const QTextDocument *textDocument, int line, int column);

QTCREATOR_UTILS_EXPORT QString textAt(QTextCursor tc, int pos, int length);

QTCREATOR_UTILS_EXPORT QTextCursor selectAt(QTextCursor textCursor, uint line, uint column, uint length);

QTCREATOR_UTILS_EXPORT QTextCursor flippedCursor(const QTextCursor &cursor);

QTCREATOR_UTILS_EXPORT QTextCursor wordStartCursor(const QTextCursor &cursor);

QTCREATOR_UTILS_EXPORT int utf8NthLineOffset(const QTextDocument *textDocument,
                                             const QByteArray &buffer,
                                             int line);

} // Text
} // Utils