Move files around to prepare for assimilation into core

[libs/core.git] / source / stringcodec / jisx0208.h

diff --git a/source/stringcodec/jisx0208.h b/source/stringcodec/jisx0208.h
new file mode 100644 (file)
index 0000000..0c4c4a6
--- /dev/null
+++ b/source/stringcodec/jisx0208.h
@@ -0,0 +1,65 @@
+/* $Id$
+
+This file is part of libmspstrings
+Copyright © 2006-2007 Mikko Rasa
+Distributed under the LGPL
+*/
+
+#ifndef MSP_STRINGS_JISX0208_H_
+#define MSP_STRINGS_JISX0208_H_
+
+#include "codec.h"
+
+namespace Msp {
+namespace Codecs {
+
+/**
+Codec for the JIS X 0208 encoding.  This is not particularly useful as a
+stand-alone codec, due to lack of a linefeed character among other things,
+but is included as part of some other encodings.
+*/
+class JisX0208: public Codec
+{
+public:
+       class Encoder: public Codec::Encoder
+       {
+       public:
+               Encoder(ErrorMode em = THROW_ON_ERROR): Codec::Encoder(em) { }
+
+               virtual void encode_char(UnicodeChar, std::string &);
+       private:
+               virtual void transliterate(UnicodeChar, std::string &);
+       };
+
+       class Decoder: public Codec::Decoder
+       {
+       public:
+               Decoder(ErrorMode em = THROW_ON_ERROR): Codec::Decoder(em) { }
+
+               virtual UnicodeChar decode_char(const std::string &, std::string::const_iterator &);
+       };
+
+       virtual const char *get_name() const { return "JIS X 0208"; }
+
+       virtual Encoder *create_encoder(ErrorMode em = THROW_ON_ERROR) const { return new Encoder(em); }
+       virtual Decoder *create_decoder(ErrorMode em = THROW_ON_ERROR) const { return new Decoder(em); }
+};
+
+
+struct Kuten
+{
+       unsigned short ku;
+       unsigned short ten;
+
+       Kuten(): ku(0), ten(0) { }
+
+       operator bool() { return ku!=0 && ten!=0; }
+};
+
+extern UnicodeChar jisx0208_to_ucs(Kuten);
+extern Kuten ucs_to_jisx0208(UnicodeChar);
+
+} // namespace Codecs
+} // namespace Msp
+
+#endif