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143 lines
4.4 KiB
143 lines
4.4 KiB
/* This file is part of the KDE libraries
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Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KCHARSETS_H
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#define KCHARSETS_H
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#include <tqstring.h>
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#include <tqfont.h>
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#include <tqstringlist.h>
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#include <tqptrlist.h>
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#include "kdelibs_export.h"
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class KGlobal;
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class KCharsetsPrivate;
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class TQTextCodec;
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/**
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* Charset font and encoder/decoder handling.
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*
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* This is needed, because Qt's font matching algorithm gives the font
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* family a higher priority than the charset. For many applications
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* this is not acceptable, since it can totally obscure the output,
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* in languages which use non iso-8859-1 charsets.
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*
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* @author Lars Knoll <knoll@kde.org>
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*/
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class KDECORE_EXPORT KCharsets
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{
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friend class KGlobal;
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protected:
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/** Protected constructor. If you need the kcharsets object, use
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KGlobal::charsets() instead.
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*/
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KCharsets();
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public:
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/**
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* Destructor.
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*/
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virtual ~KCharsets();
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/**
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* Provided for compatibility.
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* @param name the name of the codec
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* @return the TQTextCodec. If the desired codec could not be found,
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* it returns a default (Latin-1) codec
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*/
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TQTextCodec *codecForName(const TQString &name) const;
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/**
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* Tries to find a TQTextCodec to convert the given encoding from and to
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* Unicode. If no codec could be found the latin1 codec will be returned an
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* @p ok will be set to false.
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* @return the TQTextCodec. If the desired codec could not be found,
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* it returns a default (Latin-1) codec
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*/
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TQTextCodec *codecForName(const TQString &n, bool &ok) const;
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/**
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* Converts an entity to a character. The string must contain only the
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* entity without the trailing ';'.
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* @param str the entity
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* @return TQChar::null if the entity could not be decoded.
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*/
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static TQChar fromEntity(const TQString &str);
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/**
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* Overloaded member function. Tries to find an entity in the
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* TQString str.
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* @param str the string containing entified
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* @param len is a return value, that gives the length of the decoded
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* entity.
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* @return a decoded entity if one could be found, TQChar::null
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* otherwise
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*/
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static TQChar fromEntity(const TQString &str, int &len);
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/**
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* Converts a TQChar to an entity. The returned string does already
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* contain the leading '&' and the trailing ';'.
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* @param ch the char to convert
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* @return the entity
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*/
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static TQString toEntity(const TQChar &ch);
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/**
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* Scans the given string for entities (like &amp;) and resolves them
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* using fromEntity.
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* @param text the string containing the entities
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* @return the clean string
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* @since 3.1
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*/
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static TQString resolveEntities( const TQString &text );
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/**
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* Lists all available encodings as names.
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* @return the list of all encodings
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*/
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TQStringList availableEncodingNames();
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/**
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* Lists the available encoding names together with a more descriptive language.
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* @return the list of descriptive encoding names
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*/
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TQStringList descriptiveEncodingNames();
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/**
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* Returns the language the encoding is used for.
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* @param encoding the encoding for the language
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* @return the language of the encoding
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*/
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TQString languageForEncoding( const TQString &encoding );
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/**
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* Returns the encoding for a string obtained with descriptiveEncodingNames().
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* @param descriptiveName the descriptive name for the encoding
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* @return the name of the encoding
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*/
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TQString encodingForName( const TQString &descriptiveName );
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private:
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KCharsetsPrivate *d;
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};
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#endif
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