Move files around to prepare for assimilation into core

[libs/core.git] / source / stringcodec / jisx0201.cpp

diff --git a/source/stringcodec/jisx0201.cpp b/source/stringcodec/jisx0201.cpp
new file mode 100644 (file)
index 0000000..d3fe635
--- /dev/null
+++ b/source/stringcodec/jisx0201.cpp
@@ -0,0 +1,58 @@
+/* $Id$
+
+This file is part of libmspstrings
+Copyright © 2006-2007 Mikko Rasa
+Distributed under the LGPL
+*/
+
+#include "jisx0201.h"
+
+using namespace std;
+
+namespace Msp {
+namespace Codecs {
+
+void JisX0201::Encoder::encode_char(UnicodeChar ch, string &buf)
+{
+       if(ch>=0 && ch<=0x7F && ch!=0x5C && ch!=0x7E)
+               buf += ch;
+       else if(ch==0xA5)
+               buf += 0x5C;
+       else if(ch==0x203E)
+               buf += 0x7E;
+       else if(ch>=0xFF61 && ch<=0xFF9F)
+               buf += ch-0xFEC0;
+       else
+               error(ch, buf, "Can't express character in JIS X 0201");
+}
+
+void JisX0201::Encoder::transliterate(UnicodeChar, string &buf)
+{
+       buf += '?';
+}
+
+
+UnicodeChar JisX0201::Decoder::decode_char(const string &str, string::const_iterator &i)
+{
+       if(i==str.end())
+               return error("No input");
+
+       unsigned char ch = *i;
+       UnicodeChar result;
+       if(ch==0x5C)
+               result = 0xA5;
+       else if(ch==0x7E)
+               result = 0x203E;
+       else if(ch<=0x7F)
+               result = ch;
+       else if(ch>=0xA1 && ch<=0xDF)
+               result = ch+0xFEC0;
+       else
+               result = error("Undefined JIS X 0201 character");
+
+       ++i;
+       return result;
+}
+
+} // namespace Codecs
+} // namespace Msp