diff options
Diffstat (limited to 'chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/utf8.h')
| -rw-r--r-- | chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/utf8.h | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/utf8.h b/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/utf8.h deleted file mode 100644 index e8efd142ea4..00000000000 --- a/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/CORE/utf8.h +++ /dev/null @@ -1,352 +0,0 @@ -/* utf8.h - * - * Copyright (C) 2000, 2001, 2002, 2005, 2006, 2007, by Larry Wall and others - * - * You may distribute under the terms of either the GNU General Public - * License or the Artistic License, as specified in the README file. - * - */ - -/* Use UTF-8 as the default script encoding? - * Turning this on will break scripts having non-UTF-8 binary - * data (such as Latin-1) in string literals. */ -#ifdef USE_UTF8_SCRIPTS -# define USE_UTF8_IN_NAMES (!IN_BYTES) -#else -# define USE_UTF8_IN_NAMES (PL_hints & HINT_UTF8) -#endif - -/* Source backward compatibility. */ -#define uvuni_to_utf8(d, uv) uvuni_to_utf8_flags(d, uv, 0) -#define is_utf8_string_loc(s, len, ep) is_utf8_string_loclen(s, len, ep, 0) - -#ifdef EBCDIC -/* The equivalent of these macros but implementing UTF-EBCDIC - are in the following header file: - */ - -#include "utfebcdic.h" - -#else -START_EXTERN_C - -#ifdef DOINIT -EXTCONST unsigned char PL_utf8skip[] = { -1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */ -1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */ -1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */ -1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */ -1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus */ -1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus */ -2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* scripts */ -3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6, /* cjk etc. */ -7,13, /* Perl extended (not UTF-8). Up to 72bit allowed (64-bit + reserved). */ -}; -#else -EXTCONST unsigned char PL_utf8skip[]; -#endif - -END_EXTERN_C -#define UTF8SKIP(s) PL_utf8skip[*(const U8*)(s)] - -/* Native character to iso-8859-1 */ -#define NATIVE_TO_ASCII(ch) (ch) -#define ASCII_TO_NATIVE(ch) (ch) -/* Transform after encoding */ -#define NATIVE_TO_UTF(ch) (ch) -#define UTF_TO_NATIVE(ch) (ch) -/* Transforms in wide UV chars */ -#define UNI_TO_NATIVE(ch) (ch) -#define NATIVE_TO_UNI(ch) (ch) -/* Transforms in invariant space */ -#define NATIVE_TO_NEED(enc,ch) (ch) -#define ASCII_TO_NEED(enc,ch) (ch) - -/* As there are no translations avoid the function wrapper */ -#define utf8n_to_uvchr utf8n_to_uvuni -#define uvchr_to_utf8 uvuni_to_utf8 - -/* - - The following table is from Unicode 3.2. - - Code Points 1st Byte 2nd Byte 3rd Byte 4th Byte - - U+0000..U+007F 00..7F - U+0080..U+07FF C2..DF 80..BF - U+0800..U+0FFF E0 A0..BF 80..BF - U+1000..U+CFFF E1..EC 80..BF 80..BF - U+D000..U+D7FF ED 80..9F 80..BF - U+D800..U+DFFF ******* ill-formed ******* - U+E000..U+FFFF EE..EF 80..BF 80..BF - U+10000..U+3FFFF F0 90..BF 80..BF 80..BF - U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF - U+100000..U+10FFFF F4 80..8F 80..BF 80..BF - -Note the A0..BF in U+0800..U+0FFF, the 80..9F in U+D000...U+D7FF, -the 90..BF in U+10000..U+3FFFF, and the 80...8F in U+100000..U+10FFFF. -The "gaps" are caused by legal UTF-8 avoiding non-shortest encodings: -it is technically possible to UTF-8-encode a single code point in different -ways, but that is explicitly forbidden, and the shortest possible encoding -should always be used (and that is what Perl does). - - */ - -/* - Another way to look at it, as bits: - - Code Points 1st Byte 2nd Byte 3rd Byte 4th Byte - - 0aaaaaaa 0aaaaaaa - 00000bbbbbaaaaaa 110bbbbb 10aaaaaa - ccccbbbbbbaaaaaa 1110cccc 10bbbbbb 10aaaaaa - 00000dddccccccbbbbbbaaaaaa 11110ddd 10cccccc 10bbbbbb 10aaaaaa - -As you can see, the continuation bytes all begin with C<10>, and the -leading bits of the start byte tell how many bytes the are in the -encoded character. - -*/ - - -#define UNI_IS_INVARIANT(c) (((UV)c) < 0x80) -#define UTF8_IS_INVARIANT(c) UNI_IS_INVARIANT(NATIVE_TO_UTF(c)) -#define NATIVE_IS_INVARIANT(c) UNI_IS_INVARIANT(NATIVE_TO_ASCII(c)) -#define UTF8_IS_START(c) (((U8)c) >= 0xc0 && (((U8)c) <= 0xfd)) -#define UTF8_IS_CONTINUATION(c) (((U8)c) >= 0x80 && (((U8)c) <= 0xbf)) -#define UTF8_IS_CONTINUED(c) (((U8)c) & 0x80) -#define UTF8_IS_DOWNGRADEABLE_START(c) (((U8)c & 0xfc) == 0xc0) - -#define UTF_START_MARK(len) ((len > 7) ? 0xFF : (0xFE << (7-len))) -#define UTF_START_MASK(len) ((len >= 7) ? 0x00 : (0x1F >> (len-2))) - -#define UTF_CONTINUATION_MARK 0x80 -#define UTF_ACCUMULATION_SHIFT 6 -#define UTF_CONTINUATION_MASK ((U8)0x3f) -#define UTF8_ACCUMULATE(old, new) (((old) << UTF_ACCUMULATION_SHIFT) | (((U8)new) & UTF_CONTINUATION_MASK)) - -#define UTF8_EIGHT_BIT_HI(c) ((((U8)(c))>>UTF_ACCUMULATION_SHIFT)|UTF_START_MARK(2)) -#define UTF8_EIGHT_BIT_LO(c) (((((U8)(c)))&UTF_CONTINUATION_MASK)|UTF_CONTINUATION_MARK) - -#ifdef HAS_QUAD -#define UNISKIP(uv) ( (uv) < 0x80 ? 1 : \ - (uv) < 0x800 ? 2 : \ - (uv) < 0x10000 ? 3 : \ - (uv) < 0x200000 ? 4 : \ - (uv) < 0x4000000 ? 5 : \ - (uv) < 0x80000000 ? 6 : \ - (uv) < UTF8_QUAD_MAX ? 7 : 13 ) -#else -/* No, I'm not even going to *TRY* putting #ifdef inside a #define */ -#define UNISKIP(uv) ( (uv) < 0x80 ? 1 : \ - (uv) < 0x800 ? 2 : \ - (uv) < 0x10000 ? 3 : \ - (uv) < 0x200000 ? 4 : \ - (uv) < 0x4000000 ? 5 : \ - (uv) < 0x80000000 ? 6 : 7 ) -#endif - -/* - * Note: we try to be careful never to call the isXXX_utf8() functions - * unless we're pretty sure we've seen the beginning of a UTF-8 character - * (that is, the two high bits are set). Otherwise we risk loading in the - * heavy-duty swash_init and swash_fetch routines unnecessarily. - */ -#define isIDFIRST_lazy_if(p,c) ((IN_BYTES || (!c || (*((const U8*)p) < 0xc0))) \ - ? isIDFIRST(*(p)) \ - : isIDFIRST_utf8((const U8*)p)) -#define isALNUM_lazy_if(p,c) ((IN_BYTES || (!c || (*((const U8*)p) < 0xc0))) \ - ? isALNUM(*(p)) \ - : isALNUM_utf8((const U8*)p)) - - -#endif /* EBCDIC vs ASCII */ - -/* Rest of these are attributes of Unicode and perl's internals rather than the encoding */ - -#define isIDFIRST_lazy(p) isIDFIRST_lazy_if(p,1) -#define isALNUM_lazy(p) isALNUM_lazy_if(p,1) - -#define UTF8_MAXBYTES 13 -/* How wide can a single UTF-8 encoded character become in bytes. - * NOTE: Strictly speaking Perl's UTF-8 should not be called UTF-8 - * since UTF-8 is an encoding of Unicode and given Unicode's current - * upper limit only four bytes is possible. Perl thinks of UTF-8 - * as a way to encode non-negative integers in a binary format. */ -#define UTF8_MAXLEN UTF8_MAXBYTES - -#define UTF8_MAXLEN_UCLC 3 /* Obsolete, do not use. */ -#define UTF8_MAXLEN_UCLC_MULT 39 /* Obsolete, do not use. */ -#define UTF8_MAXLEN_FOLD 3 /* Obsolete, do not use. */ -#define UTF8_MAXLEN_FOLD_MULT 39 /* Obsolete, do not use. */ - -/* The maximum number of UTF-8 bytes a single Unicode character can - * uppercase/lowercase/fold into; this number depends on the Unicode - * version. An example of maximal expansion is the U+03B0 which - * uppercases to U+03C5 U+0308 U+0301. The Unicode databases that - * tell these things are UnicodeDatabase.txt, CaseFolding.txt, and - * SpecialCasing.txt. */ -#define UTF8_MAXBYTES_CASE 6 - -#define IN_BYTES (CopHINTS_get(PL_curcop) & HINT_BYTES) -#define DO_UTF8(sv) (SvUTF8(sv) && !IN_BYTES) - -#define UTF8_ALLOW_EMPTY 0x0001 -#define UTF8_ALLOW_CONTINUATION 0x0002 -#define UTF8_ALLOW_NON_CONTINUATION 0x0004 -#define UTF8_ALLOW_FE_FF 0x0008 /* Allow above 0x7fffFFFF */ -#define UTF8_ALLOW_SHORT 0x0010 -#define UTF8_ALLOW_SURROGATE 0x0020 -#define UTF8_ALLOW_FFFF 0x0040 /* Allow UNICODE_ILLEGAL */ -#define UTF8_ALLOW_LONG 0x0080 -#define UTF8_ALLOW_ANYUV (UTF8_ALLOW_EMPTY|UTF8_ALLOW_FE_FF|\ - UTF8_ALLOW_SURROGATE|UTF8_ALLOW_FFFF) -#define UTF8_ALLOW_ANY 0x00FF -#define UTF8_CHECK_ONLY 0x0200 -#define UTF8_ALLOW_DEFAULT (ckWARN(WARN_UTF8) ? 0 : \ - UTF8_ALLOW_ANYUV) - -#define UNICODE_SURROGATE_FIRST 0xD800 -#define UNICODE_SURROGATE_LAST 0xDFFF -#define UNICODE_REPLACEMENT 0xFFFD -#define UNICODE_BYTE_ORDER_MARK 0xFEFF -#define UNICODE_ILLEGAL 0xFFFF - -/* Though our UTF-8 encoding can go beyond this, - * let's be conservative and do as Unicode 3.2 says. */ -#define PERL_UNICODE_MAX 0x10FFFF - -#define UNICODE_ALLOW_SURROGATE 0x0001 /* Allow UTF-16 surrogates (EVIL) */ -#define UNICODE_ALLOW_FDD0 0x0002 /* Allow the U+FDD0...U+FDEF */ -#define UNICODE_ALLOW_FFFF 0x0004 /* Allow U+FFF[EF], U+1FFF[EF], ... */ -#define UNICODE_ALLOW_SUPER 0x0008 /* Allow past 0x10FFFF */ -#define UNICODE_ALLOW_ANY 0x000F - -#define UNICODE_IS_SURROGATE(c) ((c) >= UNICODE_SURROGATE_FIRST && \ - (c) <= UNICODE_SURROGATE_LAST) -#define UNICODE_IS_REPLACEMENT(c) ((c) == UNICODE_REPLACEMENT) -#define UNICODE_IS_BYTE_ORDER_MARK(c) ((c) == UNICODE_BYTE_ORDER_MARK) -#define UNICODE_IS_ILLEGAL(c) ((c) == UNICODE_ILLEGAL) - -#ifdef HAS_QUAD -# define UTF8_QUAD_MAX UINT64_C(0x1000000000) -#endif - -#define UTF8_IS_ASCII(c) UTF8_IS_INVARIANT(c) - -#define UNICODE_LATIN_SMALL_LETTER_SHARP_S 0x00DF -#define UNICODE_GREEK_CAPITAL_LETTER_SIGMA 0x03A3 -#define UNICODE_GREEK_SMALL_LETTER_FINAL_SIGMA 0x03C2 -#define UNICODE_GREEK_SMALL_LETTER_SIGMA 0x03C3 - -#define EBCDIC_LATIN_SMALL_LETTER_SHARP_S 0x0059 - -#define UNI_DISPLAY_ISPRINT 0x0001 -#define UNI_DISPLAY_BACKSLASH 0x0002 -#define UNI_DISPLAY_QQ (UNI_DISPLAY_ISPRINT|UNI_DISPLAY_BACKSLASH) -#define UNI_DISPLAY_REGEX (UNI_DISPLAY_ISPRINT|UNI_DISPLAY_BACKSLASH) - -#ifdef EBCDIC -# define ANYOF_FOLD_SHARP_S(node, input, end) \ - (ANYOF_BITMAP_TEST(node, EBCDIC_LATIN_SMALL_LETTER_SHARP_S) && \ - (ANYOF_FLAGS(node) & ANYOF_UNICODE) && \ - (ANYOF_FLAGS(node) & ANYOF_FOLD) && \ - ((end) > (input) + 1) && \ - toLOWER((input)[0]) == 's' && \ - toLOWER((input)[1]) == 's') -#else -# define ANYOF_FOLD_SHARP_S(node, input, end) \ - (ANYOF_BITMAP_TEST(node, UNICODE_LATIN_SMALL_LETTER_SHARP_S) && \ - (ANYOF_FLAGS(node) & ANYOF_UNICODE) && \ - (ANYOF_FLAGS(node) & ANYOF_FOLD) && \ - ((end) > (input) + 1) && \ - toLOWER((input)[0]) == 's' && \ - toLOWER((input)[1]) == 's') -#endif -#define SHARP_S_SKIP 2 - -#ifdef EBCDIC -/* IS_UTF8_CHAR() is not ported to EBCDIC */ -#else -#define IS_UTF8_CHAR_1(p) \ - ((p)[0] <= 0x7F) -#define IS_UTF8_CHAR_2(p) \ - ((p)[0] >= 0xC2 && (p)[0] <= 0xDF && \ - (p)[1] >= 0x80 && (p)[1] <= 0xBF) -#define IS_UTF8_CHAR_3a(p) \ - ((p)[0] == 0xE0 && \ - (p)[1] >= 0xA0 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF) -#define IS_UTF8_CHAR_3b(p) \ - ((p)[0] >= 0xE1 && (p)[0] <= 0xEC && \ - (p)[1] >= 0x80 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF) -#define IS_UTF8_CHAR_3c(p) \ - ((p)[0] == 0xED && \ - (p)[1] >= 0x80 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF) -/* In IS_UTF8_CHAR_3c(p) one could use - * (p)[1] >= 0x80 && (p)[1] <= 0x9F - * if one wanted to exclude surrogates. */ -#define IS_UTF8_CHAR_3d(p) \ - ((p)[0] >= 0xEE && (p)[0] <= 0xEF && \ - (p)[1] >= 0x80 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF) -#define IS_UTF8_CHAR_4a(p) \ - ((p)[0] == 0xF0 && \ - (p)[1] >= 0x90 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF && \ - (p)[3] >= 0x80 && (p)[3] <= 0xBF) -#define IS_UTF8_CHAR_4b(p) \ - ((p)[0] >= 0xF1 && (p)[0] <= 0xF3 && \ - (p)[1] >= 0x80 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF && \ - (p)[3] >= 0x80 && (p)[3] <= 0xBF) -/* In IS_UTF8_CHAR_4c(p) one could use - * (p)[0] == 0xF4 - * if one wanted to stop at the Unicode limit U+10FFFF. - * The 0xF7 allows us to go to 0x1fffff (0x200000 would - * require five bytes). Not doing any further code points - * since that is not needed (and that would not be strict - * UTF-8, anyway). The "slow path" in Perl_is_utf8_char() - * will take care of the "extended UTF-8". */ -#define IS_UTF8_CHAR_4c(p) \ - ((p)[0] == 0xF4 && (p)[0] <= 0xF7 && \ - (p)[1] >= 0x80 && (p)[1] <= 0xBF && \ - (p)[2] >= 0x80 && (p)[2] <= 0xBF && \ - (p)[3] >= 0x80 && (p)[3] <= 0xBF) - -#define IS_UTF8_CHAR_3(p) \ - (IS_UTF8_CHAR_3a(p) || \ - IS_UTF8_CHAR_3b(p) || \ - IS_UTF8_CHAR_3c(p) || \ - IS_UTF8_CHAR_3d(p)) -#define IS_UTF8_CHAR_4(p) \ - (IS_UTF8_CHAR_4a(p) || \ - IS_UTF8_CHAR_4b(p) || \ - IS_UTF8_CHAR_4c(p)) - -/* IS_UTF8_CHAR(p) is strictly speaking wrong (not UTF-8) because it - * (1) allows UTF-8 encoded UTF-16 surrogates - * (2) it allows code points past U+10FFFF. - * The Perl_is_utf8_char() full "slow" code will handle the Perl - * "extended UTF-8". */ -#define IS_UTF8_CHAR(p, n) \ - ((n) == 1 ? IS_UTF8_CHAR_1(p) : \ - (n) == 2 ? IS_UTF8_CHAR_2(p) : \ - (n) == 3 ? IS_UTF8_CHAR_3(p) : \ - (n) == 4 ? IS_UTF8_CHAR_4(p) : 0) - -#define IS_UTF8_CHAR_FAST(n) ((n) <= 4) - -#endif /* IS_UTF8_CHAR() for UTF-8 */ - -/* - * Local variables: - * c-indentation-style: bsd - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - * - * ex: set ts=8 sts=4 sw=4 noet: - */ |