textfileformat.h 2.88 KB
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/**************************************************************************
**
** This file is part of Qt Creator
**
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser 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 ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
**************************************************************************/

#ifndef TEXTFILEUTILS_H
#define TEXTFILEUTILS_H

#include "utils_global.h"

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#include <QtGlobal>
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QT_BEGIN_NAMESPACE
class QTextCodec;
class QStringList;
class QString;
class QByteArray;
QT_END_NAMESPACE

namespace Utils {

class QTCREATOR_UTILS_EXPORT TextFileFormat  {
public:
    enum LineTerminationMode
    {
        LFLineTerminator,
        CRLFLineTerminator,
        NativeLineTerminator =
#if defined (Q_OS_WIN)
        CRLFLineTerminator,
#else
        LFLineTerminator
#endif
    };

    enum ReadResult
    {
        ReadSuccess,
        ReadEncodingError,
        ReadMemoryAllocationError,
        ReadIOError
    };

    TextFileFormat();

    static TextFileFormat detect(const QByteArray &data);

    bool decode(const QByteArray &data, QString *target) const;
    bool decode(const QByteArray &data, QStringList *target) const;

    static ReadResult readFile(const QString &fileName, const QTextCodec *defaultCodec,
                               QStringList *plainText, TextFileFormat *format, QString *errorString,
                               QByteArray *decodingErrorSample = 0);
    static ReadResult readFile(const QString &fileName, const QTextCodec *defaultCodec,
                               QString *plainText, TextFileFormat *format, QString *errorString,
                               QByteArray *decodingErrorSample = 0);

    bool writeFile(const QString &fileName, QString plainText, QString *errorString) const;

    static QByteArray decodingErrorSample(const QByteArray &data);

    LineTerminationMode lineTerminationMode;
    bool hasUtf8Bom;
    const QTextCodec *codec;
};

} // namespace Utils

#endif // TEXTFILEUTILS_H