1 files changed, 73 insertions, 0 deletions
diff --git a/libcommuni/src/core/ircmessagedecoder.cpp b/libcommuni/src/core/ircmessagedecoder.cpp
new file mode 100644
index 0000000..1e2eb25
--- /dev/null
+++ b/libcommuni/src/core/ircmessagedecoder.cpp
@@ -0,0 +1,73 @@
+/*
+  Copyright (C) 2008-2014 The Communi Project
+
+  You may use this file under the terms of BSD license as follows:
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the copyright holder nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR
+  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "ircmessagedecoder_p.h"
+#include <IrcGlobal>
+#include <QSet>
+
+#ifndef IRC_DOXYGEN
+extern "C" {
+    int IsUTF8Text(const char* utf8, int len);
+}
+
+IRC_BEGIN_NAMESPACE
+
+IRC_CORE_EXPORT bool irc_is_supported_encoding(const QByteArray& encoding)
+{
+    static QSet<QByteArray> codecs = QTextCodec::availableCodecs().toSet();
+    return codecs.contains(encoding);
+}
+
+IrcMessageDecoder::IrcMessageDecoder()
+{
+    initialize();
+}
+
+IrcMessageDecoder::~IrcMessageDecoder()
+{
+    uninitialize();
+}
+
+QString IrcMessageDecoder::decode(const QByteArray& data, const QByteArray& encoding) const
+{
+    QTextCodec* codec = 0;
+    if (IsUTF8Text(data, data.length())) {
+        codec = QTextCodec::codecForName("UTF-8");
+    } else {
+        QByteArray name = codecForData(data);
+        codec = QTextCodec::codecForName(name);
+    }
+
+    if (!codec)
+        codec = QTextCodec::codecForName(encoding);
+    Q_ASSERT(codec);
+    return codec->toUnicode(data);
+}
+#endif // IRC_DOXYGEN
+
+IRC_END_NAMESPACE