diff options
Diffstat (limited to 'enc/utf_8.c')
| -rw-r--r-- | enc/utf_8.c | 74 |
1 files changed, 36 insertions, 38 deletions
diff --git a/enc/utf_8.c b/enc/utf_8.c index 3b9387c613..ae7c98469d 100644 --- a/enc/utf_8.c +++ b/enc/utf_8.c @@ -28,15 +28,22 @@ */ #include "regenc.h" +#ifdef RUBY +# include "encindex.h" +#endif + +#ifndef ENCINDEX_UTF_8 +# define ENCINDEX_UTF_8 0 +#endif #define USE_INVALID_CODE_SCHEME #ifdef USE_INVALID_CODE_SCHEME /* virtual codepoint values for invalid encoding byte 0xfe and 0xff */ -#define INVALID_CODE_FE 0xfffffffe -#define INVALID_CODE_FF 0xffffffff -#define VALID_CODE_LIMIT 0x7fffffff +# define INVALID_CODE_FE 0xfffffffe +# define INVALID_CODE_FF 0xffffffff #endif +#define VALID_CODE_LIMIT 0x0010ffff #define utf8_islead(c) ((UChar )((c) & 0xc0) != 0x80) @@ -84,7 +91,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* d */ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* e */ 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, - /* f */ 5, 6, 6, 6, 7, F, F, F, F, F, F, F, F, F, F, F + /* f */ 5, 6, 6, 6, 7, F, F, F, F, F, F, F, F, F, F, F }, { /* S1 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -102,7 +109,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, { /* S2 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -120,7 +127,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, { /* S3 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -138,7 +145,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, { /* S4 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -156,7 +163,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, { /* S5 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -174,7 +181,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, { /* S6 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -192,7 +199,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, { /* S7 0 1 2 3 4 5 6 7 8 9 a b c d e f */ /* 0 */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, @@ -210,7 +217,7 @@ static const signed char trans[][0x100] = { /* c */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* d */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, /* e */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, - /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F + /* f */ F, F, F, F, F, F, F, F, F, F, F, F, F, F, F, F }, }; #undef A @@ -248,9 +255,7 @@ is_mbc_newline(const UChar* p, const UChar* end, OnigEncoding enc) if (*p == 0x0a) return 1; #ifdef USE_UNICODE_ALL_LINE_TERMINATORS -#ifndef USE_CRNL_AS_LINE_TERMINATOR - if (*p == 0x0d) return 1; -#endif + if (*p == 0x0b || *p == 0x0c || *p == 0x0d) return 1; if (p + 1 < end) { if (*(p+1) == 0x85 && *p == 0xc2) /* U+0085 */ return 1; @@ -272,7 +277,7 @@ mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc) int c, len; OnigCodePoint n; - len = enclen(enc, p, end); + len = mbc_enc_len(p, end, enc); c = *p++; if (len > 1) { len--; @@ -299,9 +304,7 @@ code_to_mbclen(OnigCodePoint code, OnigEncoding enc ARG_UNUSED) if ((code & 0xffffff80) == 0) return 1; else if ((code & 0xfffff800) == 0) return 2; else if ((code & 0xffff0000) == 0) return 3; - else if ((code & 0xffe00000) == 0) return 4; - else if ((code & 0xfc000000) == 0) return 5; - else if ((code & 0x80000000) == 0) return 6; + else if (code <= VALID_CODE_LIMIT) return 4; #ifdef USE_INVALID_CODE_SCHEME else if (code == INVALID_CODE_FE) return 1; else if (code == INVALID_CODE_FF) return 1; @@ -330,24 +333,11 @@ code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc ARG_UNUSED) *p++ = (UChar )(((code>>12) & 0x0f) | 0xe0); *p++ = UTF8_TRAILS(code, 6); } - else if ((code & 0xffe00000) == 0) { + else if (code <= VALID_CODE_LIMIT) { *p++ = (UChar )(((code>>18) & 0x07) | 0xf0); *p++ = UTF8_TRAILS(code, 12); *p++ = UTF8_TRAILS(code, 6); } - else if ((code & 0xfc000000) == 0) { - *p++ = (UChar )(((code>>24) & 0x03) | 0xf8); - *p++ = UTF8_TRAILS(code, 18); - *p++ = UTF8_TRAILS(code, 12); - *p++ = UTF8_TRAILS(code, 6); - } - else if ((code & 0x80000000) == 0) { - *p++ = (UChar )(((code>>30) & 0x01) | 0xfc); - *p++ = UTF8_TRAILS(code, 24); - *p++ = UTF8_TRAILS(code, 18); - *p++ = UTF8_TRAILS(code, 12); - *p++ = UTF8_TRAILS(code, 6); - } #ifdef USE_INVALID_CODE_SCHEME else if (code == INVALID_CODE_FE) { *p = 0xfe; @@ -363,13 +353,13 @@ code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc ARG_UNUSED) } *p++ = UTF8_TRAIL0(code); - return p - buf; + return (int )(p - buf); } } static int mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, - const UChar* end, UChar* fold, OnigEncoding enc) + const UChar* end, UChar* fold, OnigEncoding enc) { const UChar* p = *pp; @@ -397,7 +387,7 @@ mbc_case_fold(OnigCaseFoldType flag, const UChar** pp, static int get_ctype_code_range(OnigCtype ctype, OnigCodePoint *sb_out, - const OnigCodePoint* ranges[], OnigEncoding enc ARG_UNUSED) + const OnigCodePoint* ranges[], OnigEncoding enc ARG_UNUSED) { *sb_out = 0x80; return onigenc_unicode_ctype_code_range(ctype, ranges); @@ -427,7 +417,7 @@ get_case_fold_codes_by_str(OnigCaseFoldType flag, OnigEncodingDefine(utf_8, UTF_8) = { mbc_enc_len, "UTF-8", /* name */ - 6, /* max byte length */ + 4, /* max byte length */ 1, /* min byte length */ is_mbc_newline, mbc_to_code, @@ -440,7 +430,14 @@ OnigEncodingDefine(utf_8, UTF_8) = { onigenc_unicode_is_code_ctype, get_ctype_code_range, left_adjust_char_head, - onigenc_always_true_is_allowed_reverse_match + onigenc_always_true_is_allowed_reverse_match, +#ifdef USE_CASE_MAP_API + onigenc_unicode_case_map, +#else + NULL, +#endif + ENCINDEX_UTF_8, + ONIGENC_FLAG_UNICODE, }; ENC_ALIAS("CP65001", "UTF-8") @@ -449,7 +446,8 @@ ENC_ALIAS("CP65001", "UTF-8") * Link: http://developer.apple.com/documentation/MacOSX/Conceptual/BPFileSystem/BPFileSystem.html * Link: http://developer.apple.com/qa/qa2001/qa1235.html * Link: http://developer.apple.com/jp/qa/qa2001/qa1235.html + * Link: http://www.gnu.org/software/emacs/NEWS.23.2 */ ENC_REPLICATE("UTF8-MAC", "UTF-8") ENC_ALIAS("UTF-8-MAC", "UTF8-MAC") - +ENC_ALIAS("UTF-8-HFS", "UTF8-MAC") /* Emacs 23.2 */ |
