diff options
Diffstat (limited to 'Modules/cjkcodecs/alg_iso8859_7.h')
| -rw-r--r-- | Modules/cjkcodecs/alg_iso8859_7.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Modules/cjkcodecs/alg_iso8859_7.h b/Modules/cjkcodecs/alg_iso8859_7.h new file mode 100644 index 0000000..3eb4a31 --- /dev/null +++ b/Modules/cjkcodecs/alg_iso8859_7.h @@ -0,0 +1,32 @@ +/* + * alg_iso8859_7.c: Encoder/Decoder macro for ISO8859-7 + * + * Written by Hye-Shik Chang <perky@FreeBSD.org> + * $CJKCodecs: alg_iso8859_7.h,v 1.2 2003/12/31 05:46:55 perky Exp $ + */ + +/* + * 0x2888fbc9 and 0xbffffd77 are magic number that indicates availability + * of mapping for each differences. (0 and 0x2d0) + */ + +#define ISO8859_7_ENCODE(c, assi) \ + if ((c) <= 0xa0) (assi) = (c); \ + else if ((c) < 0xc0 && (0x288f3bc9L & (1L << ((c)-0xa0)))) \ + (assi) = (c); \ + else if ((c) >= 0x0384 && (c) <= 0x03ce && ((c) >= 0x03a4 ||\ + (0xbffffd77L & (1L << ((c)-0x0384))))) \ + (assi) = (c) - 0x02d0; \ + else if ((c)>>1 == 0x2018>>1) (assi) = (c) - 0x1f77; \ + else if ((c) == 0x2015) (assi) = 0xaf; + +#define ISO8859_7_DECODE(c, assi) \ + if ((c) < 0xa0) (assi) = (c); \ + else if ((c) < 0xc0 && (0x288f3bc9L & (1L << ((c)-0xa0)))) \ + (assi) = (c); \ + else if ((c) >= 0xb4 && (c) <= 0xfe && ((c) >= 0xd4 || \ + (0xbffffd77L & (1L << ((c)-0xb4))))) \ + (assi) = 0x02d0 + (c); \ + else if ((c) == 0xa1) (assi) = 0x2018; \ + else if ((c) == 0xa2) (assi) = 0x2019; \ + else if ((c) == 0xaf) (assi) = 0x2015; |