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