diff options
Diffstat (limited to 'Modules/cjkcodecs/_codecs_hk.c')
| -rw-r--r-- | Modules/cjkcodecs/_codecs_hk.c | 93 |
1 files changed, 47 insertions, 46 deletions
diff --git a/Modules/cjkcodecs/_codecs_hk.c b/Modules/cjkcodecs/_codecs_hk.c index aaf103d..558a42f 100644 --- a/Modules/cjkcodecs/_codecs_hk.c +++ b/Modules/cjkcodecs/_codecs_hk.c @@ -115,55 +115,56 @@ DECODER(big5hkscs) REQUIRE_INBUF(2) - if (0xc6 <= c && c <= 0xc8 && (c >= 0xc7 || IN2 >= 0xa1)) - goto hkscsdec; + if (0xc6 > c || c > 0xc8 || (c < 0xc7 && IN2 < 0xa1)) { + TRYMAP_DEC(big5, **outbuf, c, IN2) { + NEXT(2, 1) + continue; + } + } + + TRYMAP_DEC(big5hkscs, decoded, c, IN2) + { + int s = BH2S(c, IN2); + const unsigned char *hintbase; + + assert(0x87 <= c && c <= 0xfe); + assert(0x40 <= IN2 && IN2 <= 0xfe); + + if (BH2S(0x87, 0x40) <= s && s <= BH2S(0xa0, 0xfe)) { + hintbase = big5hkscs_phint_0; + s -= BH2S(0x87, 0x40); + } + else if (BH2S(0xc6,0xa1) <= s && s <= BH2S(0xc8,0xfe)){ + hintbase = big5hkscs_phint_12130; + s -= BH2S(0xc6, 0xa1); + } + else if (BH2S(0xf9,0xd6) <= s && s <= BH2S(0xfe,0xfe)){ + hintbase = big5hkscs_phint_21924; + s -= BH2S(0xf9, 0xd6); + } + else + return MBERR_INTERNAL; - TRYMAP_DEC(big5, **outbuf, c, IN2) { - NEXT(2, 1) + if (hintbase[s >> 3] & (1 << (s & 7))) { + WRITEUCS4(decoded | 0x20000) + NEXT_IN(2) + } + else { + OUT1(decoded) + NEXT(2, 1) + } + continue; } - else -hkscsdec: TRYMAP_DEC(big5hkscs, decoded, c, IN2) { - int s = BH2S(c, IN2); - const unsigned char *hintbase; - - assert(0x87 <= c && c <= 0xfe); - assert(0x40 <= IN2 && IN2 <= 0xfe); - - if (BH2S(0x87, 0x40) <= s && s <= BH2S(0xa0, 0xfe)) { - hintbase = big5hkscs_phint_0; - s -= BH2S(0x87, 0x40); - } - else if (BH2S(0xc6,0xa1) <= s && s <= BH2S(0xc8,0xfe)){ - hintbase = big5hkscs_phint_12130; - s -= BH2S(0xc6, 0xa1); - } - else if (BH2S(0xf9,0xd6) <= s && s <= BH2S(0xfe,0xfe)){ - hintbase = big5hkscs_phint_21924; - s -= BH2S(0xf9, 0xd6); - } - else - return MBERR_INTERNAL; - - if (hintbase[s >> 3] & (1 << (s & 7))) { - WRITEUCS4(decoded | 0x20000) - NEXT_IN(2) - } - else { - OUT1(decoded) - NEXT(2, 1) - } - } - else { - switch ((c << 8) | IN2) { - case 0x8862: WRITE2(0x00ca, 0x0304); break; - case 0x8864: WRITE2(0x00ca, 0x030c); break; - case 0x88a3: WRITE2(0x00ea, 0x0304); break; - case 0x88a5: WRITE2(0x00ea, 0x030c); break; - default: return 2; - } - - NEXT(2, 2) /* all decoded codepoints are pairs, above. */ + + switch ((c << 8) | IN2) { + case 0x8862: WRITE2(0x00ca, 0x0304); break; + case 0x8864: WRITE2(0x00ca, 0x030c); break; + case 0x88a3: WRITE2(0x00ea, 0x0304); break; + case 0x88a5: WRITE2(0x00ea, 0x030c); break; + default: return 2; } + + NEXT(2, 2) /* all decoded codepoints are pairs, above. */ } return 0; |