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/****************************************************************************
**
** Definition of QTextCodec class
**
** Created : 981015
**
** Copyright (C) 1998-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QTEXTCODEC_H
#define QTEXTCODEC_H
#ifndef QT_H
#include "qstring.h"
#endif // QT_H
#ifndef QT_NO_TEXTCODEC
class QTextCodec;
class QIODevice;
class QFont;
class Q_EXPORT QTextEncoder {
public:
virtual ~QTextEncoder();
virtual QCString fromUnicode(const QString& uc, int& lenInOut) = 0;
};
class Q_EXPORT QTextDecoder {
public:
virtual ~QTextDecoder();
virtual QString toUnicode(const char* chars, int len) = 0;
};
class Q_EXPORT QTextCodec {
public:
virtual ~QTextCodec();
#ifndef QT_NO_CODECS
static QTextCodec* loadCharmap(QIODevice*);
static QTextCodec* loadCharmapFile(QString filename);
#endif //QT_NO_CODECS
static QTextCodec* codecForMib(int mib);
static QTextCodec* codecForName(const char* hint, int accuracy=0);
static QTextCodec* codecForContent(const char* chars, int len);
static QTextCodec* codecForIndex(int i);
static QTextCodec* codecForLocale();
static void setCodecForLocale(QTextCodec *c);
static QTextCodec* codecForTr();
static void setCodecForTr(QTextCodec *c);
static QTextCodec* codecForCStrings();
static void setCodecForCStrings(QTextCodec *c);
static void deleteAllCodecs();
static const char* locale();
virtual const char* name() const = 0;
virtual const char* mimeName() const;
virtual int mibEnum() const = 0;
virtual QTextDecoder* makeDecoder() const;
virtual QTextEncoder* makeEncoder() const;
virtual QString toUnicode(const char* chars, int len) const;
virtual QCString fromUnicode(const QString& uc, int& lenInOut) const;
QCString fromUnicode(const QString& uc) const;
QString toUnicode(const QByteArray&, int len) const;
QString toUnicode(const QByteArray&) const;
QString toUnicode(const QCString&, int len) const;
QString toUnicode(const QCString&) const;
QString toUnicode(const char* chars) const;
virtual bool canEncode( QChar ) const;
virtual bool canEncode( const QString& ) const;
virtual int heuristicContentMatch(const char* chars, int len) const = 0;
virtual int heuristicNameMatch(const char* hint) const;
virtual QByteArray fromUnicode(const QString& uc, int from, int len) const;
virtual unsigned short characterFromUnicode(const QString &str, int pos) const;
protected:
QTextCodec();
static int simpleHeuristicNameMatch(const char* name, const char* hint);
private:
friend class QFont;
friend class QFontEngineXLFD;
void fromUnicodeInternal( const QChar *in, unsigned short *out, int length );
static QTextCodec *cftr;
static QTextCodec *cfcs;
};
inline QTextCodec* QTextCodec::codecForTr() { return cftr; }
inline void QTextCodec::setCodecForTr(QTextCodec *c) { cftr = c; }
inline QTextCodec* QTextCodec::codecForCStrings() { return cfcs; }
inline void QTextCodec::setCodecForCStrings(QTextCodec *c) { cfcs = c; }
#endif // QT_NO_TEXTCODEC
#endif // QTEXTCODEC_H
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