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author | AlexSm <alex@ydb.tech> | 2024-03-05 10:40:59 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-03-05 12:40:59 +0300 |
commit | 1ac13c847b5358faba44dbb638a828e24369467b (patch) | |
tree | 07672b4dd3604ad3dee540a02c6494cb7d10dc3d /contrib/tools/python3/Modules/cjkcodecs/_codecs_jp.c | |
parent | ffcca3e7f7958ddc6487b91d3df8c01054bd0638 (diff) | |
download | ydb-1ac13c847b5358faba44dbb638a828e24369467b.tar.gz |
Library import 16 (#2433)
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Diffstat (limited to 'contrib/tools/python3/Modules/cjkcodecs/_codecs_jp.c')
-rw-r--r-- | contrib/tools/python3/Modules/cjkcodecs/_codecs_jp.c | 765 |
1 files changed, 765 insertions, 0 deletions
diff --git a/contrib/tools/python3/Modules/cjkcodecs/_codecs_jp.c b/contrib/tools/python3/Modules/cjkcodecs/_codecs_jp.c new file mode 100644 index 0000000000..f7127487aa --- /dev/null +++ b/contrib/tools/python3/Modules/cjkcodecs/_codecs_jp.c @@ -0,0 +1,765 @@ +/* + * _codecs_jp.c: Codecs collection for Japanese encodings + * + * Written by Hye-Shik Chang <perky@FreeBSD.org> + */ + +#define USING_BINARY_PAIR_SEARCH +#define EMPBASE 0x20000 + +#include "cjkcodecs.h" +#include "mappings_jp.h" +#include "mappings_jisx0213_pair.h" +#include "alg_jisx0201.h" +#include "emu_jisx0213_2000.h" + +/* + * CP932 codec + */ + +ENCODER(cp932) +{ + while (*inpos < inlen) { + Py_UCS4 c = INCHAR1; + DBCHAR code; + unsigned char c1, c2; + + if (c <= 0x80) { + WRITEBYTE1((unsigned char)c); + NEXT(1, 1); + continue; + } + else if (c >= 0xff61 && c <= 0xff9f) { + WRITEBYTE1(c - 0xfec0); + NEXT(1, 1); + continue; + } + else if (c >= 0xf8f0 && c <= 0xf8f3) { + /* Windows compatibility */ + REQUIRE_OUTBUF(1); + if (c == 0xf8f0) + OUTBYTE1(0xa0); + else + OUTBYTE1(c - 0xf8f1 + 0xfd); + NEXT(1, 1); + continue; + } + + if (c > 0xFFFF) + return 1; + REQUIRE_OUTBUF(2); + + if (TRYMAP_ENC(cp932ext, code, c)) { + OUTBYTE1(code >> 8); + OUTBYTE2(code & 0xff); + } + else if (TRYMAP_ENC(jisxcommon, code, c)) { + if (code & 0x8000) /* MSB set: JIS X 0212 */ + return 1; + + /* JIS X 0208 */ + c1 = code >> 8; + c2 = code & 0xff; + c2 = (((c1 - 0x21) & 1) ? 0x5e : 0) + (c2 - 0x21); + c1 = (c1 - 0x21) >> 1; + OUTBYTE1(c1 < 0x1f ? c1 + 0x81 : c1 + 0xc1); + OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41); + } + else if (c >= 0xe000 && c < 0xe758) { + /* User-defined area */ + c1 = (Py_UCS4)(c - 0xe000) / 188; + c2 = (Py_UCS4)(c - 0xe000) % 188; + OUTBYTE1(c1 + 0xf0); + OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41); + } + else + return 1; + + NEXT(1, 2); + } + + return 0; +} + +DECODER(cp932) +{ + while (inleft > 0) { + unsigned char c = INBYTE1, c2; + Py_UCS4 decoded; + + if (c <= 0x80) { + OUTCHAR(c); + NEXT_IN(1); + continue; + } + else if (c >= 0xa0 && c <= 0xdf) { + if (c == 0xa0) + OUTCHAR(0xf8f0); /* half-width katakana */ + else + OUTCHAR(0xfec0 + c); + NEXT_IN(1); + continue; + } + else if (c >= 0xfd/* && c <= 0xff*/) { + /* Windows compatibility */ + OUTCHAR(0xf8f1 - 0xfd + c); + NEXT_IN(1); + continue; + } + + REQUIRE_INBUF(2); + c2 = INBYTE2; + + if (TRYMAP_DEC(cp932ext, decoded, c, c2)) + OUTCHAR(decoded); + else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xea)){ + if (c2 < 0x40 || (c2 > 0x7e && c2 < 0x80) || c2 > 0xfc) + return 1; + + c = (c < 0xe0 ? c - 0x81 : c - 0xc1); + c2 = (c2 < 0x80 ? c2 - 0x40 : c2 - 0x41); + c = (2 * c + (c2 < 0x5e ? 0 : 1) + 0x21); + c2 = (c2 < 0x5e ? c2 : c2 - 0x5e) + 0x21; + + if (TRYMAP_DEC(jisx0208, decoded, c, c2)) + OUTCHAR(decoded); + else + return 1; + } + else if (c >= 0xf0 && c <= 0xf9) { + if ((c2 >= 0x40 && c2 <= 0x7e) || + (c2 >= 0x80 && c2 <= 0xfc)) + OUTCHAR(0xe000 + 188 * (c - 0xf0) + + (c2 < 0x80 ? c2 - 0x40 : c2 - 0x41)); + else + return 1; + } + else + return 1; + + NEXT_IN(2); + } + + return 0; +} + + +/* + * EUC-JIS-2004 codec + */ + +ENCODER(euc_jis_2004) +{ + while (*inpos < inlen) { + Py_UCS4 c = INCHAR1; + DBCHAR code; + Py_ssize_t insize; + + if (c < 0x80) { + WRITEBYTE1(c); + NEXT(1, 1); + continue; + } + + insize = 1; + + if (c <= 0xFFFF) { + EMULATE_JISX0213_2000_ENCODE_BMP(codec->config, code, c) + else if (TRYMAP_ENC(jisx0213_bmp, code, c)) { + if (code == MULTIC) { + if (inlen - *inpos < 2) { + if (flags & MBENC_FLUSH) { + code = find_pairencmap( + (ucs2_t)c, 0, + jisx0213_pair_encmap, + JISX0213_ENCPAIRS); + if (code == DBCINV) + return 1; + } + else + return MBERR_TOOFEW; + } + else { + Py_UCS4 c2 = INCHAR2; + code = find_pairencmap( + (ucs2_t)c, c2, + jisx0213_pair_encmap, + JISX0213_ENCPAIRS); + if (code == DBCINV) { + code = find_pairencmap( + (ucs2_t)c, 0, + jisx0213_pair_encmap, + JISX0213_ENCPAIRS); + if (code == DBCINV) + return 1; + } else + insize = 2; + } + } + } + else if (TRYMAP_ENC(jisxcommon, code, c)) + ; + else if (c >= 0xff61 && c <= 0xff9f) { + /* JIS X 0201 half-width katakana */ + WRITEBYTE2(0x8e, c - 0xfec0); + NEXT(1, 2); + continue; + } + else if (c == 0xff3c) + /* F/W REVERSE SOLIDUS (see NOTES) */ + code = 0x2140; + else if (c == 0xff5e) + /* F/W TILDE (see NOTES) */ + code = 0x2232; + else + return 1; + } + else if (c >> 16 == EMPBASE >> 16) { + EMULATE_JISX0213_2000_ENCODE_EMP(codec->config, code, c) + else if (TRYMAP_ENC(jisx0213_emp, code, c & 0xffff)) + ; + else + return insize; + } + else + return insize; + + if (code & 0x8000) { + /* Codeset 2 */ + WRITEBYTE3(0x8f, code >> 8, (code & 0xFF) | 0x80); + NEXT(insize, 3); + } else { + /* Codeset 1 */ + WRITEBYTE2((code >> 8) | 0x80, (code & 0xFF) | 0x80); + NEXT(insize, 2); + } + } + + return 0; +} + +DECODER(euc_jis_2004) +{ + while (inleft > 0) { + unsigned char c = INBYTE1; + Py_UCS4 code, decoded; + + if (c < 0x80) { + OUTCHAR(c); + NEXT_IN(1); + continue; + } + + if (c == 0x8e) { + /* JIS X 0201 half-width katakana */ + unsigned char c2; + + REQUIRE_INBUF(2); + c2 = INBYTE2; + if (c2 >= 0xa1 && c2 <= 0xdf) { + OUTCHAR(0xfec0 + c2); + NEXT_IN(2); + } + else + return 1; + } + else if (c == 0x8f) { + unsigned char c2, c3; + + REQUIRE_INBUF(3); + c2 = INBYTE2 ^ 0x80; + c3 = INBYTE3 ^ 0x80; + + /* JIS X 0213 Plane 2 or JIS X 0212 (see NOTES) */ + EMULATE_JISX0213_2000_DECODE_PLANE2(codec->config, writer, c2, c3) + else if (TRYMAP_DEC(jisx0213_2_bmp, decoded, c2, c3)) + OUTCHAR(decoded); + else if (TRYMAP_DEC(jisx0213_2_emp, code, c2, c3)) { + OUTCHAR(EMPBASE | code); + NEXT_IN(3); + continue; + } + else if (TRYMAP_DEC(jisx0212, decoded, c2, c3)) + OUTCHAR(decoded); + else + return 1; + NEXT_IN(3); + } + else { + unsigned char c2; + + REQUIRE_INBUF(2); + c ^= 0x80; + c2 = INBYTE2 ^ 0x80; + + /* JIS X 0213 Plane 1 */ + EMULATE_JISX0213_2000_DECODE_PLANE1(codec->config, writer, c, c2) + else if (c == 0x21 && c2 == 0x40) + OUTCHAR(0xff3c); + else if (c == 0x22 && c2 == 0x32) + OUTCHAR(0xff5e); + else if (TRYMAP_DEC(jisx0208, decoded, c, c2)) + OUTCHAR(decoded); + else if (TRYMAP_DEC(jisx0213_1_bmp, decoded, c, c2)) + OUTCHAR(decoded); + else if (TRYMAP_DEC(jisx0213_1_emp, code, c, c2)) { + OUTCHAR(EMPBASE | code); + NEXT_IN(2); + continue; + } + else if (TRYMAP_DEC(jisx0213_pair, code, c, c2)) { + OUTCHAR2(code >> 16, code & 0xffff); + NEXT_IN(2); + continue; + } + else + return 1; + NEXT_IN(2); + } + } + + return 0; +} + + +/* + * EUC-JP codec + */ + +ENCODER(euc_jp) +{ + 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; + + if (TRYMAP_ENC(jisxcommon, code, c)) + ; + else if (c >= 0xff61 && c <= 0xff9f) { + /* JIS X 0201 half-width katakana */ + WRITEBYTE2(0x8e, c - 0xfec0); + NEXT(1, 2); + continue; + } +#ifndef STRICT_BUILD + else if (c == 0xff3c) /* FULL-WIDTH REVERSE SOLIDUS */ + code = 0x2140; + else if (c == 0xa5) { /* YEN SIGN */ + WRITEBYTE1(0x5c); + NEXT(1, 1); + continue; + } else if (c == 0x203e) { /* OVERLINE */ + WRITEBYTE1(0x7e); + NEXT(1, 1); + continue; + } +#endif + else + return 1; + + if (code & 0x8000) { + /* JIS X 0212 */ + WRITEBYTE3(0x8f, code >> 8, (code & 0xFF) | 0x80); + NEXT(1, 3); + } else { + /* JIS X 0208 */ + WRITEBYTE2((code >> 8) | 0x80, (code & 0xFF) | 0x80); + NEXT(1, 2); + } + } + + return 0; +} + +DECODER(euc_jp) +{ + while (inleft > 0) { + unsigned char c = INBYTE1; + Py_UCS4 decoded; + + if (c < 0x80) { + OUTCHAR(c); + NEXT_IN(1); + continue; + } + + if (c == 0x8e) { + /* JIS X 0201 half-width katakana */ + unsigned char c2; + + REQUIRE_INBUF(2); + c2 = INBYTE2; + if (c2 >= 0xa1 && c2 <= 0xdf) { + OUTCHAR(0xfec0 + c2); + NEXT_IN(2); + } + else + return 1; + } + else if (c == 0x8f) { + unsigned char c2, c3; + + REQUIRE_INBUF(3); + c2 = INBYTE2; + c3 = INBYTE3; + /* JIS X 0212 */ + if (TRYMAP_DEC(jisx0212, decoded, c2 ^ 0x80, c3 ^ 0x80)) { + OUTCHAR(decoded); + NEXT_IN(3); + } + else + return 1; + } + else { + unsigned char c2; + + REQUIRE_INBUF(2); + c2 = INBYTE2; + /* JIS X 0208 */ +#ifndef STRICT_BUILD + if (c == 0xa1 && c2 == 0xc0) + /* FULL-WIDTH REVERSE SOLIDUS */ + OUTCHAR(0xff3c); + else +#endif + if (TRYMAP_DEC(jisx0208, decoded, c ^ 0x80, c2 ^ 0x80)) + OUTCHAR(decoded); + else + return 1; + NEXT_IN(2); + } + } + + return 0; +} + + +/* + * SHIFT_JIS codec + */ + +ENCODER(shift_jis) +{ + while (*inpos < inlen) { + Py_UCS4 c = INCHAR1; + DBCHAR code; + unsigned char c1, c2; + +#ifdef STRICT_BUILD + JISX0201_R_ENCODE(c, code) +#else + if (c < 0x80) + code = c; + else if (c == 0x00a5) + code = 0x5c; /* YEN SIGN */ + else if (c == 0x203e) + code = 0x7e; /* OVERLINE */ +#endif + else JISX0201_K_ENCODE(c, code) + else if (c > 0xFFFF) + return 1; + else + code = NOCHAR; + + if (code < 0x80 || (code >= 0xa1 && code <= 0xdf)) { + REQUIRE_OUTBUF(1); + + OUTBYTE1((unsigned char)code); + NEXT(1, 1); + continue; + } + + REQUIRE_OUTBUF(2); + + if (code == NOCHAR) { + if (TRYMAP_ENC(jisxcommon, code, c)) + ; +#ifndef STRICT_BUILD + else if (c == 0xff3c) + code = 0x2140; /* FULL-WIDTH REVERSE SOLIDUS */ +#endif + else + return 1; + + if (code & 0x8000) /* MSB set: JIS X 0212 */ + return 1; + } + + c1 = code >> 8; + c2 = code & 0xff; + c2 = (((c1 - 0x21) & 1) ? 0x5e : 0) + (c2 - 0x21); + c1 = (c1 - 0x21) >> 1; + OUTBYTE1(c1 < 0x1f ? c1 + 0x81 : c1 + 0xc1); + OUTBYTE2(c2 < 0x3f ? c2 + 0x40 : c2 + 0x41); + NEXT(1, 2); + } + + return 0; +} + +DECODER(shift_jis) +{ + while (inleft > 0) { + unsigned char c = INBYTE1; + Py_UCS4 decoded; + +#ifdef STRICT_BUILD + JISX0201_R_DECODE(c, writer) +#else + if (c < 0x80) + OUTCHAR(c); +#endif + else JISX0201_K_DECODE(c, writer) + else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xea)){ + unsigned char c1, c2; + + REQUIRE_INBUF(2); + c2 = INBYTE2; + if (c2 < 0x40 || (c2 > 0x7e && c2 < 0x80) || c2 > 0xfc) + return 1; + + c1 = (c < 0xe0 ? c - 0x81 : c - 0xc1); + c2 = (c2 < 0x80 ? c2 - 0x40 : c2 - 0x41); + c1 = (2 * c1 + (c2 < 0x5e ? 0 : 1) + 0x21); + c2 = (c2 < 0x5e ? c2 : c2 - 0x5e) + 0x21; + +#ifndef STRICT_BUILD + if (c1 == 0x21 && c2 == 0x40) { + /* FULL-WIDTH REVERSE SOLIDUS */ + OUTCHAR(0xff3c); + NEXT_IN(2); + continue; + } +#endif + if (TRYMAP_DEC(jisx0208, decoded, c1, c2)) { + OUTCHAR(decoded); + NEXT_IN(2); + continue; + } + else + return 1; + } + else + return 1; + + NEXT_IN(1); /* JIS X 0201 */ + } + + return 0; +} + + +/* + * SHIFT_JIS-2004 codec + */ + +ENCODER(shift_jis_2004) +{ + while (*inpos < inlen) { + Py_UCS4 c = INCHAR1; + DBCHAR code = NOCHAR; + int c1, c2; + Py_ssize_t insize; + + JISX0201_ENCODE(c, code) + + if (code < 0x80 || (code >= 0xa1 && code <= 0xdf)) { + WRITEBYTE1((unsigned char)code); + NEXT(1, 1); + continue; + } + + REQUIRE_OUTBUF(2); + insize = 1; + + if (code == NOCHAR) { + if (c <= 0xffff) { + EMULATE_JISX0213_2000_ENCODE_BMP(codec->config, code, c) + else if (TRYMAP_ENC(jisx0213_bmp, code, c)) { + if (code == MULTIC) { + if (inlen - *inpos < 2) { + if (flags & MBENC_FLUSH) { + code = find_pairencmap + ((ucs2_t)c, 0, + jisx0213_pair_encmap, + JISX0213_ENCPAIRS); + if (code == DBCINV) + return 1; + } + else + return MBERR_TOOFEW; + } + else { + Py_UCS4 ch2 = INCHAR2; + code = find_pairencmap( + (ucs2_t)c, ch2, + jisx0213_pair_encmap, + JISX0213_ENCPAIRS); + if (code == DBCINV) { + code = find_pairencmap( + (ucs2_t)c, 0, + jisx0213_pair_encmap, + JISX0213_ENCPAIRS); + if (code == DBCINV) + return 1; + } + else + insize = 2; + } + } + } + else if (TRYMAP_ENC(jisxcommon, code, c)) { + /* abandon JIS X 0212 codes */ + if (code & 0x8000) + return 1; + } + else + return 1; + } + else if (c >> 16 == EMPBASE >> 16) { + EMULATE_JISX0213_2000_ENCODE_EMP(codec->config, code, c) + else if (TRYMAP_ENC(jisx0213_emp, code, c&0xffff)) + ; + else + return insize; + } + else + return insize; + } + + c1 = code >> 8; + c2 = (code & 0xff) - 0x21; + + if (c1 & 0x80) { + /* Plane 2 */ + if (c1 >= 0xee) + c1 -= 0x87; + else if (c1 >= 0xac || c1 == 0xa8) + c1 -= 0x49; + else + c1 -= 0x43; + } + else { + /* Plane 1 */ + c1 -= 0x21; + } + + if (c1 & 1) + c2 += 0x5e; + c1 >>= 1; + OUTBYTE1(c1 + (c1 < 0x1f ? 0x81 : 0xc1)); + OUTBYTE2(c2 + (c2 < 0x3f ? 0x40 : 0x41)); + + NEXT(insize, 2); + } + + return 0; +} + +DECODER(shift_jis_2004) +{ + while (inleft > 0) { + unsigned char c = INBYTE1; + + JISX0201_DECODE(c, writer) + else if ((c >= 0x81 && c <= 0x9f) || (c >= 0xe0 && c <= 0xfc)){ + unsigned char c1, c2; + Py_UCS4 code, decoded; + + REQUIRE_INBUF(2); + c2 = INBYTE2; + if (c2 < 0x40 || (c2 > 0x7e && c2 < 0x80) || c2 > 0xfc) + return 1; + + c1 = (c < 0xe0 ? c - 0x81 : c - 0xc1); + c2 = (c2 < 0x80 ? c2 - 0x40 : c2 - 0x41); + c1 = (2 * c1 + (c2 < 0x5e ? 0 : 1)); + c2 = (c2 < 0x5e ? c2 : c2 - 0x5e) + 0x21; + + if (c1 < 0x5e) { /* Plane 1 */ + c1 += 0x21; + EMULATE_JISX0213_2000_DECODE_PLANE1(codec->config, writer, + c1, c2) + else if (TRYMAP_DEC(jisx0208, decoded, c1, c2)) + OUTCHAR(decoded); + else if (TRYMAP_DEC(jisx0213_1_bmp, decoded, c1, c2)) + OUTCHAR(decoded); + else if (TRYMAP_DEC(jisx0213_1_emp, code, c1, c2)) + OUTCHAR(EMPBASE | code); + else if (TRYMAP_DEC(jisx0213_pair, code, c1, c2)) + OUTCHAR2(code >> 16, code & 0xffff); + else + return 1; + NEXT_IN(2); + } + else { /* Plane 2 */ + if (c1 >= 0x67) + c1 += 0x07; + else if (c1 >= 0x63 || c1 == 0x5f) + c1 -= 0x37; + else + c1 -= 0x3d; + + EMULATE_JISX0213_2000_DECODE_PLANE2(codec->config, writer, + c1, c2) + else if (TRYMAP_DEC(jisx0213_2_bmp, decoded, c1, c2)) + OUTCHAR(decoded); + else if (TRYMAP_DEC(jisx0213_2_emp, code, c1, c2)) { + OUTCHAR(EMPBASE | code); + NEXT_IN(2); + continue; + } + else + return 1; + NEXT_IN(2); + } + continue; + } + else + return 1; + + NEXT_IN(1); /* JIS X 0201 */ + } + + return 0; +} + + +BEGIN_MAPPINGS_LIST(11) + MAPPING_DECONLY(jisx0208) + MAPPING_DECONLY(jisx0212) + MAPPING_ENCONLY(jisxcommon) + MAPPING_DECONLY(jisx0213_1_bmp) + MAPPING_DECONLY(jisx0213_2_bmp) + MAPPING_ENCONLY(jisx0213_bmp) + MAPPING_DECONLY(jisx0213_1_emp) + MAPPING_DECONLY(jisx0213_2_emp) + MAPPING_ENCONLY(jisx0213_emp) + MAPPING_ENCDEC(jisx0213_pair) + MAPPING_ENCDEC(cp932ext) +END_MAPPINGS_LIST + +#define CODEC_CUSTOM(NAME, N, METH) \ + NEXT_CODEC = (MultibyteCodec){NAME, (void *)N, NULL, _STATELESS_METHODS(METH)}; + +BEGIN_CODECS_LIST(7) + CODEC_STATELESS(shift_jis) + CODEC_STATELESS(cp932) + CODEC_STATELESS(euc_jp) + CODEC_STATELESS(shift_jis_2004) + CODEC_STATELESS(euc_jis_2004) + CODEC_CUSTOM("euc_jisx0213", 2000, euc_jis_2004) + CODEC_CUSTOM("shift_jisx0213", 2000, shift_jis_2004) +END_CODECS_LIST + +#undef CODEC_CUSTOM + +I_AM_A_MODULE_FOR(jp) |