/* qutf7codec.h A TQTextCodec for UTF-7 (rfc2152). Copyright (c) 2001 Marc Mutz <mutz@kde.org> See file COPYING for details This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US As a special exception, permission is granted to use this plugin with any version of Qt by TrollTech AS, Norway. In this case, the use of this plugin doesn't cause the resulting executable to be covered by the GNU General Public License. This exception does not however tqinvalidate any other reasons why the executable file might be covered by the GNU General Public License. */ #ifndef QUTF7CODEC_H #define QUTF7CODEC_H #ifndef QT_H #include "tqtextcodec.h" #endif #include <kdepimmacros.h> #ifndef QT_NO_TEXTCODEC /** @short A TQTextCodec for the UTF-7 transformation of Unicode. This is a TQTextCodec for the UTF-7 transformation of Unicode, described in RFC2152. Use it as you would use any other TQTextCodec. Only if you use the encoder directly (via makeEncoder), you should bear in mind that if your application needs the encoder to return to ASCII mode (like it's the case for RFC2047 mail header encoded words), you have to tell the encoder by requesting the encoding of a @em null TQString. @author Marc Mutz <mutz@kde.org> */ class KDE_EXPORT QUtf7Codec : public TQTextCodec { bool encOpt, encLwsp; public: QUtf7Codec() : TQTextCodec() {} int mibEnum() const; const char* name() const; const char* mimeName() const; TQTextDecoder* makeDecoder() const; TQTextEncoder* makeEncoder() const; bool canEncode( TQChar ) const; bool canEncode( const TQString& ) const; int heuristicContentMatch( const char* chars, int len ) const; }; /** This is a version of @ref QUtf7Codec, which should only be used in MIME transfer. It differs from @ref QUtf7Codec only in that the encoder escapes additional characters (the RFC2152 "optional direct set"), which might not be allowed in RFC822/RFC2047 header fields. You should only use this codec for @em encoding, since it's output is pure UTF-7 and can equally well be decoded by @ref QUtf7Codec's decoder. To distinguish between the two variants, this class has MIB enum -1012 (the nagative of UTF-7) and the somewhat awkward name "X-QT-UTF-7-STRICT". The MIME preferred charset name is still "UTF-7", though. @short A variant of @ref QUtf7Codec, which protectes certain characters in MIME transport @author Marc Mutz <mutz@kde.org> */ class KDE_EXPORT QStrictUtf7Codec : public QUtf7Codec { public: QStrictUtf7Codec() : QUtf7Codec() {} const char* name() const; int mibEnum() const; TQTextEncoder* makeEncoder() const; }; #endif // QT_NO_TEXTCODEC #endif // QUTF7CODEC_H