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