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/****************************************************************************
** $Id$
**
** Definition of QTextCodec class
**
** Created : 981015
**
** Copyright (C) 1998-2000 Trolltech AS. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** 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
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#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:
static QTextCodec *cftr;
static QTextCodec *cfcs;
friend class QFont;
};
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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