diff options
Diffstat (limited to 'Modules/cjkcodecs/_codecs_hk.c')
| -rw-r--r-- | Modules/cjkcodecs/_codecs_hk.c | 256 |
1 files changed, 128 insertions, 128 deletions
diff --git a/Modules/cjkcodecs/_codecs_hk.c b/Modules/cjkcodecs/_codecs_hk.c index 4bbd6222a8..aaf103db88 100644 --- a/Modules/cjkcodecs/_codecs_hk.c +++ b/Modules/cjkcodecs/_codecs_hk.c @@ -18,12 +18,12 @@ static const decode_map *big5_decmap = NULL; CODEC_INIT(big5hkscs) { - static int initialized = 0; + static int initialized = 0; - if (!initialized && IMPORT_MAP(tw, big5, &big5_encmap, &big5_decmap)) - return -1; - initialized = 1; - return 0; + if (!initialized && IMPORT_MAP(tw, big5, &big5_encmap, &big5_decmap)) + return -1; + initialized = 1; + return 0; } /* @@ -38,135 +38,135 @@ static const DBCHAR big5hkscs_pairenc_table[4] = {0x8862, 0x8864, 0x88a3, 0x88a5 ENCODER(big5hkscs) { - while (inleft > 0) { - ucs4_t c = **inbuf; - DBCHAR code; - Py_ssize_t insize; - - if (c < 0x80) { - REQUIRE_OUTBUF(1) - **outbuf = (unsigned char)c; - NEXT(1, 1) - continue; - } - - DECODE_SURROGATE(c) - insize = GET_INSIZE(c); - - REQUIRE_OUTBUF(2) - - if (c < 0x10000) { - TRYMAP_ENC(big5hkscs_bmp, code, c) { - if (code == MULTIC) { - if (inleft >= 2 && - ((c & 0xffdf) == 0x00ca) && - (((*inbuf)[1] & 0xfff7) == 0x0304)) { - code = big5hkscs_pairenc_table[ - ((c >> 4) | - ((*inbuf)[1] >> 3)) & 3]; - insize = 2; - } - else if (inleft < 2 && - !(flags & MBENC_FLUSH)) - return MBERR_TOOFEW; - else { - if (c == 0xca) - code = 0x8866; - else /* c == 0xea */ - code = 0x88a7; - } - } - } - else TRYMAP_ENC(big5, code, c); - else return 1; - } - else if (c < 0x20000) - return insize; - else if (c < 0x30000) { - TRYMAP_ENC(big5hkscs_nonbmp, code, c & 0xffff); - else return insize; - } - else - return insize; - - OUT1(code >> 8) - OUT2(code & 0xFF) - NEXT(insize, 2) - } - - return 0; + while (inleft > 0) { + ucs4_t c = **inbuf; + DBCHAR code; + Py_ssize_t insize; + + if (c < 0x80) { + REQUIRE_OUTBUF(1) + **outbuf = (unsigned char)c; + NEXT(1, 1) + continue; + } + + DECODE_SURROGATE(c) + insize = GET_INSIZE(c); + + REQUIRE_OUTBUF(2) + + if (c < 0x10000) { + TRYMAP_ENC(big5hkscs_bmp, code, c) { + if (code == MULTIC) { + if (inleft >= 2 && + ((c & 0xffdf) == 0x00ca) && + (((*inbuf)[1] & 0xfff7) == 0x0304)) { + code = big5hkscs_pairenc_table[ + ((c >> 4) | + ((*inbuf)[1] >> 3)) & 3]; + insize = 2; + } + else if (inleft < 2 && + !(flags & MBENC_FLUSH)) + return MBERR_TOOFEW; + else { + if (c == 0xca) + code = 0x8866; + else /* c == 0xea */ + code = 0x88a7; + } + } + } + else TRYMAP_ENC(big5, code, c); + else return 1; + } + else if (c < 0x20000) + return insize; + else if (c < 0x30000) { + TRYMAP_ENC(big5hkscs_nonbmp, code, c & 0xffff); + else return insize; + } + else + return insize; + + OUT1(code >> 8) + OUT2(code & 0xFF) + NEXT(insize, 2) + } + + return 0; } #define BH2S(c1, c2) (((c1) - 0x87) * (0xfe - 0x40 + 1) + ((c2) - 0x40)) DECODER(big5hkscs) { - while (inleft > 0) { - unsigned char c = IN1; - ucs4_t decoded; - - REQUIRE_OUTBUF(1) - - if (c < 0x80) { - OUT1(c) - NEXT(1, 1) - continue; - } - - REQUIRE_INBUF(2) - - if (0xc6 <= c && c <= 0xc8 && (c >= 0xc7 || IN2 >= 0xa1)) - goto hkscsdec; - - TRYMAP_DEC(big5, **outbuf, c, IN2) { - NEXT(2, 1) - } - 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. */ - } - } - - return 0; + while (inleft > 0) { + unsigned char c = IN1; + ucs4_t decoded; + + REQUIRE_OUTBUF(1) + + if (c < 0x80) { + OUT1(c) + NEXT(1, 1) + continue; + } + + REQUIRE_INBUF(2) + + if (0xc6 <= c && c <= 0xc8 && (c >= 0xc7 || IN2 >= 0xa1)) + goto hkscsdec; + + TRYMAP_DEC(big5, **outbuf, c, IN2) { + NEXT(2, 1) + } + 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. */ + } + } + + return 0; } |