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Diffstat (limited to 'src/codecs/qtextcodec.h')
-rw-r--r-- | src/codecs/qtextcodec.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/codecs/qtextcodec.h b/src/codecs/qtextcodec.h new file mode 100644 index 000000000..254095f8f --- /dev/null +++ b/src/codecs/qtextcodec.h @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** Definition of TQTextCodec class +** +** Created : 981015 +** +** Copyright (C) 1998-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the tools module of the TQt 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 TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements 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.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** 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 TQTEXTCODEC_H +#define TQTEXTCODEC_H + +#ifndef QT_H +#include "qstring.h" +#endif // QT_H + +#ifndef QT_NO_TEXTCODEC + +class TQTextCodec; +class TQIODevice; +class TQFont; + +class Q_EXPORT TQTextEncoder { +public: + virtual ~TQTextEncoder(); + virtual TQCString fromUnicode(const TQString& uc, int& lenInOut) = 0; +}; + +class Q_EXPORT TQTextDecoder { +public: + virtual ~TQTextDecoder(); + virtual TQString toUnicode(const char* chars, int len) = 0; +}; + +class Q_EXPORT TQTextCodec { +public: + virtual ~TQTextCodec(); + +#ifndef QT_NO_CODECS + static TQTextCodec* loadCharmap(TQIODevice*); + static TQTextCodec* loadCharmapFile(TQString filename); +#endif //QT_NO_CODECS + static TQTextCodec* codecForMib(int mib); + static TQTextCodec* codecForName(const char* hint, int accuracy=0); + static TQTextCodec* codecForContent(const char* chars, int len); + static TQTextCodec* codecForIndex(int i); + static TQTextCodec* codecForLocale(); + static void setCodecForLocale(TQTextCodec *c); + + static TQTextCodec* codecForTr(); + static void setCodecForTr(TQTextCodec *c); + static TQTextCodec* codecForCStrings(); + static void setCodecForCStrings(TQTextCodec *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 TQTextDecoder* makeDecoder() const; + virtual TQTextEncoder* makeEncoder() const; + + virtual TQString toUnicode(const char* chars, int len) const; + virtual TQCString fromUnicode(const TQString& uc, int& lenInOut) const; + + TQCString fromUnicode(const TQString& uc) const; + TQString toUnicode(const TQByteArray&, int len) const; + TQString toUnicode(const TQByteArray&) const; + TQString toUnicode(const TQCString&, int len) const; + TQString toUnicode(const TQCString&) const; + TQString toUnicode(const char* chars) const; + virtual bool canEncode( TQChar ) const; + virtual bool canEncode( const TQString& ) const; + + virtual int heuristicContentMatch(const char* chars, int len) const = 0; + virtual int heuristicNameMatch(const char* hint) const; + + virtual TQByteArray fromUnicode(const TQString& uc, int from, int len) const; + virtual unsigned short characterFromUnicode(const TQString &str, int pos) const; + +protected: + TQTextCodec(); + static int simpleHeuristicNameMatch(const char* name, const char* hint); + +private: + friend class TQFont; + friend class TQFontEngineXLFD; + void fromUnicodeInternal( const TQChar *in, unsigned short *out, int length ); + + static TQTextCodec *cftr; + static TQTextCodec *cfcs; +}; + +inline TQTextCodec* TQTextCodec::codecForTr() { return cftr; } +inline void TQTextCodec::setCodecForTr(TQTextCodec *c) { cftr = c; } +inline TQTextCodec* TQTextCodec::codecForCStrings() { return cfcs; } +inline void TQTextCodec::setCodecForCStrings(TQTextCodec *c) { cfcs = c; } + +#endif // QT_NO_TEXTCODEC +#endif // TQTEXTCODEC_H |