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KIO

kremoteencoding.cpp

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00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2003 Thiago Macieira <thiago.macieira@kdemail.net>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #include "kremoteencoding.h"
00020 
00021 #include <config.h>
00022 
00023 #include <kdebug.h>
00024 #include <kstringhandler.h>
00025 
00026 
00027 class KRemoteEncodingPrivate
00028 {
00029   public:
00030     KRemoteEncodingPrivate()
00031       : m_codec(0)
00032     {
00033     }
00034 
00035     QTextCodec *m_codec;
00036 };
00037 
00038 KRemoteEncoding::KRemoteEncoding(const char *name)
00039   : d(new KRemoteEncodingPrivate)
00040 {
00041   setEncoding(name);
00042 }
00043 
00044 KRemoteEncoding::~KRemoteEncoding()
00045 {
00046   delete d;
00047 }
00048 
00049 QString KRemoteEncoding::decode(const QByteArray& name) const
00050 {
00051 #ifdef CHECK_UTF8
00052   if (d->m_codec->mibEnum() == 106 && !KStringHandler::isUtf8(name))
00053     return QLatin1String(name);
00054 #endif
00055 
00056   QString result = d->m_codec->toUnicode(name);
00057   if (d->m_codec->fromUnicode(result) != name)
00058     // fallback in case of decoding failure
00059     return QLatin1String(name);
00060 
00061   return result;
00062 }
00063 
00064 QByteArray KRemoteEncoding::encode(const QString& name) const
00065 {
00066   QByteArray result = d->m_codec->fromUnicode(name);
00067   if (d->m_codec->toUnicode(result) != name)
00068     return name.toLatin1();
00069 
00070   return result;
00071 }
00072 
00073 QByteArray KRemoteEncoding::encode(const KUrl& url) const
00074 {
00075   return encode(url.path());
00076 }
00077 
00078 QByteArray KRemoteEncoding::directory(const KUrl& url, bool ignore_trailing_slash) const
00079 {
00080   QString dir = url.directory(ignore_trailing_slash ? KUrl::DirectoryOptions(KUrl::IgnoreTrailingSlash) : KUrl::ObeyTrailingSlash);
00081 
00082   return encode(dir);
00083 }
00084 
00085 QByteArray KRemoteEncoding::fileName(const KUrl& url) const
00086 {
00087   return encode(url.fileName());
00088 }
00089 
00090 const char *KRemoteEncoding::encoding() const
00091 {
00092     return d->m_codec->name();
00093 }
00094 
00095 int KRemoteEncoding::encodingMib() const
00096 {
00097     return d->m_codec->mibEnum();
00098 }
00099 
00100 void KRemoteEncoding::setEncoding(const char *name)
00101 {
00102   // don't delete codecs
00103 
00104   if (name)
00105     d->m_codec = QTextCodec::codecForName(name);
00106 
00107   if (d->m_codec == 0)
00108     d->m_codec = QTextCodec::codecForMib( 106 ); // fallback to UTF-8
00109 
00110   if (d->m_codec == 0)
00111     d->m_codec = QTextCodec::codecForMib(4 /* latin-1 */);
00112 
00113   Q_ASSERT(d->m_codec);
00114 
00115   kDebug() << "setting encoding" << d->m_codec->name()
00116         << "for name=" << name;
00117 }
00118 
00119 void KRemoteEncoding::virtual_hook(int, void*)
00120 {
00121 }

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