| /* |
| * _codecs_tw.c: Codecs collection for Taiwan's encodings |
| * |
| * Written by Hye-Shik Chang <perky@FreeBSD.org> |
| */ |
| |
| #include "cjkcodecs.h" |
| #include "mappings_tw.h" |
| |
| /* |
| * BIG5 codec |
| */ |
| |
| ENCODER(big5) |
| { |
| while (*inpos < inlen) { |
| Py_UCS4 c = INCHAR1; |
| DBCHAR code; |
| |
| if (c < 0x80) { |
| REQUIRE_OUTBUF(1); |
| **outbuf = (unsigned char)c; |
| NEXT(1, 1); |
| continue; |
| } |
| |
| if (c > 0xFFFF) |
| return 1; |
| |
| REQUIRE_OUTBUF(2); |
| |
| if (TRYMAP_ENC(big5, code, c)) |
| ; |
| else |
| return 1; |
| |
| OUTBYTE1(code >> 8); |
| OUTBYTE2(code & 0xFF); |
| NEXT(1, 2); |
| } |
| |
| return 0; |
| } |
| |
| DECODER(big5) |
| { |
| while (inleft > 0) { |
| unsigned char c = INBYTE1; |
| Py_UCS4 decoded; |
| |
| if (c < 0x80) { |
| OUTCHAR(c); |
| NEXT_IN(1); |
| continue; |
| } |
| |
| REQUIRE_INBUF(2); |
| if (TRYMAP_DEC(big5, decoded, c, INBYTE2)) { |
| OUTCHAR(decoded); |
| NEXT_IN(2); |
| } |
| else return 1; |
| } |
| |
| return 0; |
| } |
| |
| |
| /* |
| * CP950 codec |
| */ |
| |
| ENCODER(cp950) |
| { |
| while (*inpos < inlen) { |
| Py_UCS4 c = INCHAR1; |
| DBCHAR code; |
| |
| if (c < 0x80) { |
| WRITEBYTE1((unsigned char)c); |
| NEXT(1, 1); |
| continue; |
| } |
| |
| if (c > 0xFFFF) |
| return 1; |
| |
| REQUIRE_OUTBUF(2); |
| if (TRYMAP_ENC(cp950ext, code, c)) |
| ; |
| else if (TRYMAP_ENC(big5, code, c)) |
| ; |
| else |
| return 1; |
| |
| OUTBYTE1(code >> 8); |
| OUTBYTE2(code & 0xFF); |
| NEXT(1, 2); |
| } |
| |
| return 0; |
| } |
| |
| DECODER(cp950) |
| { |
| while (inleft > 0) { |
| unsigned char c = INBYTE1; |
| Py_UCS4 decoded; |
| |
| if (c < 0x80) { |
| OUTCHAR(c); |
| NEXT_IN(1); |
| continue; |
| } |
| |
| REQUIRE_INBUF(2); |
| |
| if (TRYMAP_DEC(cp950ext, decoded, c, INBYTE2)) |
| OUTCHAR(decoded); |
| else if (TRYMAP_DEC(big5, decoded, c, INBYTE2)) |
| OUTCHAR(decoded); |
| else |
| return 1; |
| |
| NEXT_IN(2); |
| } |
| |
| return 0; |
| } |
| |
| |
| |
| BEGIN_MAPPINGS_LIST |
| MAPPING_ENCDEC(big5) |
| MAPPING_ENCDEC(cp950ext) |
| END_MAPPINGS_LIST |
| |
| BEGIN_CODECS_LIST |
| CODEC_STATELESS(big5) |
| CODEC_STATELESS(cp950) |
| END_CODECS_LIST |
| |
| I_AM_A_MODULE_FOR(tw) |