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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    40 ****************************************************************************/

    41 

    42 //

    43 //  W A R N I N G

    44 //  -------------

    45 //

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

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

    48 // version without notice, or even be removed.

    49 //

    50 // We mean it.

    51 //

    52 

    53 #ifndef LONGSTRING_P_H

    54 #define LONGSTRING_P_H

    55 

    56 #include <QString>

    57 #include <QByteArray>

    58 #include <QFile>

    59 #include "qmailglobal.h"

    60 

    61 class QDataStream;

    62 class QTextStream;

    63 

    64 class LongStringPrivate;

    65 

    66 class QTOPIAMAIL_EXPORT LongString

    67 {

    68 public:

    69     LongString();

    70     LongString(const LongString &other);

    71     LongString(const QByteArray &ba);

    72     LongString(const QString &fileName);

    73     virtual ~LongString();

    74 

    75     LongString &operator=(const LongString &);

    76 

    77     bool isEmpty() const;

    78     int length() const;

    79 

    80     void close();

    81 

    82     int indexOf(const QByteArray &ba, int from = 0) const;

    83 

    84     LongString mid(int i, int len = -1) const;

    85     LongString left(int len) const;

    86     LongString right(int len) const;

    87 

    88     // WARNING the QByteArray returned may become invalid when this LongString

    89     // is destroyed

    90     const QByteArray toQByteArray() const;

    91 

    92     QDataStream* dataStream() const;

    93     QTextStream* textStream() const;

    94 

    95     template <typename Stream> void serialize(Stream &stream) const;

    96     template <typename Stream> void deserialize(Stream &stream);

    97 

    98 private:

    99     LongStringPrivate* d;

   100 };

   101 

   102 template <typename Stream>

   103 Stream& operator<<(Stream &stream, const LongString& ls) { ls.serialize(stream); return stream; }

   104 

   105 template <typename Stream>

   106 Stream& operator>>(Stream &stream, LongString& ls) { ls.deserialize(stream); return stream; }

   107 

   108 #endif