Move files around to prepare for assimilation into core

[libs/core.git] / source / stringcodec / iso646fi.cpp

diff --git a/source/stringcodec/iso646fi.cpp b/source/stringcodec/iso646fi.cpp
new file mode 100644 (file)
index 0000000..100ce13
--- /dev/null
+++ b/source/stringcodec/iso646fi.cpp
@@ -0,0 +1,70 @@
+/* $Id$
+
+This file is part of libmspstrings
+Copyright © 2006-2007 Mikko Rasa
+Distributed under the LGPL
+*/
+
+#include "codecutils.h"
+#include "iso646fi.h"
+
+using namespace std;
+
+namespace {
+
+const unsigned map_size = 9;
+
+const int mapping[map_size*2]=
+{
+       0xC4, 0x5B,
+       0xC5, 0x5D,
+       0xD6, 0x5C,
+       0xDC, 0x5E,
+       0xE4, 0x7B,
+       0xE5, 0x7D,
+       0xE9, 0x60,
+       0xF6, 0x7C,
+       0xFC, 0x7E
+};
+
+}
+
+
+namespace Msp {
+namespace Codecs {
+
+void Iso646Fi::Encoder::encode_char(UnicodeChar ch, string &buf)
+{
+       int tch = transform_mapping_or_direct(mapping, map_size, ch, false);
+       if(tch<0 || tch>0x7F)
+               error(ch, buf, "Can't express character in ISO-646-FI");
+       else
+               buf += tch;
+}
+
+void Iso646Fi::Encoder::transliterate(UnicodeChar, string &buf)
+{
+       buf += '?';
+}
+
+
+UnicodeChar Iso646Fi::Decoder::decode_char(const string &str, string::const_iterator &i)
+{
+       if(i==str.end())
+               return error("No input");
+
+       unsigned char ch = *i;
+       int tch = (ch<=0x7F ? transform_mapping_or_direct(mapping, map_size, ch, true) : -1);
+
+       UnicodeChar result;
+       if(tch==-1)
+               result = error("Undefined ISO-646-FI character");
+       else
+               result = tch;
+
+       ++i;
+       return result;
+}
+
+} // namespace Codecs
+} // namespace Msp