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// A wrapper for KCharsets
// Copyright (C) 2004, 2006 Shintaro Matsuoka <shin@shoegazed.org>
/*
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
*/
#include "irccharsets.h"
#include <qglobal.h>
#include <qregexp.h>
#include <qtextcodec.h>
#include <kcharsets.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kstaticdeleter.h>
#if QT_VERSION < 0x030300
#include <klocale.h>
#else
#include <qlocale.h>
#endif
namespace Konversation
{
IRCCharsets* IRCCharsets::s_self = 0;
static KStaticDeleter<IRCCharsets> staticIRCCharsetDeleter;
IRCCharsets *IRCCharsets::self()
{
if(!s_self)
staticIRCCharsetDeleter.setObject(s_self, new IRCCharsets());
return s_self;
}
QStringList IRCCharsets::availableEncodingShortNames()
{
return m_shortNames;
}
QStringList IRCCharsets::availableEncodingDescriptiveNames()
{
return m_descriptiveNames;
}
int IRCCharsets::availableEncodingsCount()
{
return m_shortNames.count();
}
QString IRCCharsets::shortNameToDescriptiveName( const QString& shortName )
{
return m_descriptiveNames[ shortNameToIndex( shortName ) ];
}
QString descriptiveNameToShortName( const QString& descriptiveName )
{
return KGlobal::charsets()->encodingForName( descriptiveName );
}
QString IRCCharsets::ambiguousNameToShortName( const QString& ambiguousName )
{
// simplify ambiguousName
QString simplifiedAmbiguousName( ambiguousName.lower() );
simplifiedAmbiguousName.replace( QRegExp( "[^a-z0-9]" ), "" );
// search m_simplifiedShortNames
int index = 0;
for ( QStringList::iterator it = m_simplifiedShortNames.begin() ; it != m_simplifiedShortNames.end() ; ++it )
{
if ( (*it) == simplifiedAmbiguousName )
return m_shortNames[index];
++index;
}
// search m_shortNameAliases
if ( m_shortNameAliases.contains( simplifiedAmbiguousName ) )
return m_shortNameAliases[ simplifiedAmbiguousName ];
// failed
return QString();
}
int IRCCharsets::shortNameToIndex( const QString& shortName )
{
int index = 0;
for ( QStringList::iterator it = m_shortNames.begin() ; it != m_shortNames.end() ; ++it )
{
if ( (*it) == shortName )
return index;
++index;
}
return -1;
}
bool IRCCharsets::isValidEncoding( const QString& shortName )
{
return ( m_shortNames.contains( shortName ) > 0 );
}
QString IRCCharsets::encodingForLocale()
{
#if QT_VERSION < 0x030300
QString locale = KLocale::defaultLanguage();
#else
QString locale = QLocale::system().name();
#endif
// Special cases
// don't add conditions for the languages for which QTextCodec::codecForLocale() returns a correct codec.
if ( locale == "ja_JP" )
return "jis7";
// it's a little hacky..
for ( QStringList::iterator it = m_shortNames.begin() ; it != m_shortNames.end() ; ++it )
if ( QTextCodec::codecForName( (*it).ascii() ) == QTextCodec::codecForLocale() )
return *it;
return "utf8";
}
QTextCodec* IRCCharsets::codecForName( const QString& shortName )
{
if(shortName == "iso-2022-jp")
return QTextCodec::codecForName( "jis7" );
else
return QTextCodec::codecForName( shortName.ascii() );
}
IRCCharsets::IRCCharsets()
{
s_self = this;
// setup m_shortNameAliases
// use only [a-z0-9] for keys!
m_shortNameAliases["unicode"] = "utf8";
m_shortNameAliases["latin1"] = "iso-8859-1";
// setup m_shortNames, m_descriptiveNames, m_simplifiedShortNames
QRegExp reSimplify( "[^a-zA-Z0-9]" );
m_descriptiveNames = KGlobal::charsets()->descriptiveEncodingNames();
QStringList::Iterator it = m_descriptiveNames.begin();
while ( it != m_descriptiveNames.end() )
{
QString encodingName = KGlobal::charsets()->encodingForName( *it );
// exclude encodings which are not supported on IRC
if ( encodingName == "iso-10646-ucs-2" ||
encodingName == "ucs2" ||
encodingName == "utf16" ||
encodingName == "utf7" )
{
it = m_descriptiveNames.remove( it );
}
else
{
m_shortNames.append( encodingName );
m_simplifiedShortNames.append( encodingName.replace( reSimplify, "" ) );
if(encodingName == "jis7") // Add iso-2022-jp which is same as jis7 but not in Qt
{
it = m_descriptiveNames.insert(it, "Japanese ( iso-2022-jp )");
m_shortNames.append( "iso-2022-jp" );
m_simplifiedShortNames.append( "ISO-2022-JP" );
++it;
}
++it;
}
}
}
}
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