cpython/Modules/cjkcodecs/_big5.c

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/*
* _big5.c: the Big5 codec
*
* Written by Hye-Shik Chang <perky@FreeBSD.org>
* $CJKCodecs: _big5.c,v 1.2 2003/12/31 05:46:55 perky Exp $
*/
#include "codeccommon.h"
ENCMAP(big5)
DECMAP(big5)
ENCODER(big5)
{
while (inleft > 0) {
Py_UNICODE c = **inbuf;
DBCHAR code;
if (c < 0x80) {
RESERVE_OUTBUF(1)
**outbuf = (unsigned char)c;
NEXT(1, 1)
continue;
}
UCS4INVALID(c)
RESERVE_OUTBUF(2)
TRYMAP_ENC(big5, code, c);
else return 1;
(*outbuf)[0] = code >> 8;
(*outbuf)[1] = code & 0xFF;
NEXT(1, 2)
}
return 0;
}
DECODER(big5)
{
while (inleft > 0) {
unsigned char c = IN1;
RESERVE_OUTBUF(1)
if (c < 0x80) {
OUT1(c)
NEXT(1, 1)
continue;
}
RESERVE_INBUF(2)
TRYMAP_DEC(big5, **outbuf, c, IN2) {
NEXT(2, 1)
} else return 2;
}
return 0;
}
#include "codecentry.h"
BEGIN_CODEC_REGISTRY(big5)
MAPOPEN(zh_TW)
IMPORTMAP_ENCDEC(big5)
MAPCLOSE()
END_CODEC_REGISTRY(big5)