/* utf8.h
*
- * Copyright (C) 2000, 2001, 2002, 2005, 2006, 2007, 2009 by Larry Wall and others
+ * Copyright (C) 2000, 2001, 2002, 2005, 2006, 2007, 2009,
+ * 2010, 2011 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.
# define USE_UTF8_IN_NAMES (PL_hints & HINT_UTF8)
#endif
-#define to_uni_fold(c, p, lenp) _to_uni_fold_flags(c, p, lenp, 1)
-#define to_utf8_fold(c, p, lenp) _to_utf8_fold_flags(c, p, lenp, 1)
+/* For to_utf8_fold_flags, q.v. */
+#define FOLD_FLAGS_LOCALE 0x1
+#define FOLD_FLAGS_FULL 0x2
+#define FOLD_FLAGS_NOMIX_ASCII 0x4
+
+/* For _core_swash_init(), internal core use only */
+#define _CORE_SWASH_INIT_USER_DEFINED_PROPERTY 0x1
+#define _CORE_SWASH_INIT_RETURN_IF_UNDEF 0x2
+#define _CORE_SWASH_INIT_ACCEPT_INVLIST 0x4
+
+#define to_uni_fold(c, p, lenp) _to_uni_fold_flags(c, p, lenp, FOLD_FLAGS_FULL)
+#define to_utf8_fold(c, p, lenp) _to_utf8_fold_flags(c, p, lenp, \
+ FOLD_FLAGS_FULL, NULL)
+#define to_utf8_lower(a,b,c) _to_utf8_lower_flags(a,b,c,0, NULL)
+#define to_utf8_upper(a,b,c) _to_utf8_upper_flags(a,b,c,0, NULL)
+#define to_utf8_title(a,b,c) _to_utf8_title_flags(a,b,c,0, NULL)
/* Source backward compatibility. */
#define uvuni_to_utf8(d, uv) uvuni_to_utf8_flags(d, uv, 0)
#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 official UTF-8). Up to 72bit allowed (64-bit +
- reserved). */
+/* 0x00 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x10 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x20 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x30 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x40 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x50 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x60 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x70 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
+/* 0x80 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus: continuation byte */
+/* 0x90 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus: continuation byte */
+/* 0xA0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus: continuation byte */
+/* 0xB0 */ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus: continuation byte */
+/* 0xC0 */ 2,2, /* overlong */
+/* 0xC2 */ 2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* U+0080 to U+03FF */
+/* 0xD0 */ 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* U+0400 to U+07FF */
+/* 0xE0 */ 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3, /* U+0800 to U+FFFF */
+/* 0xF0 */ 4,4,4,4,4,4,4,4,5,5,5,5,6,6, /* above BMP to 2**31 - 1 */
+/* 0xFE */ 7,13, /* Perl extended (never was official UTF-8). Up to 72bit
+ allowed (64-bit + reserved). */
};
#else
EXTCONST unsigned char PL_utf8skip[];
END_EXTERN_C
+#include "unicode_constants.h"
+
/* 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 NATIVE_TO_I8(ch) NATIVE_TO_UTF(ch) /* a clearer synonym */
#define UTF_TO_NATIVE(ch) (ch)
+#define I8_TO_NATIVE(ch) UTF_TO_NATIVE(ch)
/* Transforms in wide UV chars */
#define UNI_TO_NATIVE(ch) (ch)
#define NATIVE_TO_UNI(ch) (ch)
/* As there are no translations, avoid the function wrapper */
#define utf8n_to_uvchr utf8n_to_uvuni
+#define valid_utf8_to_uvchr valid_utf8_to_uvuni
#define uvchr_to_utf8 uvuni_to_utf8
/*
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
+ Below are non-Unicode code points
+ U+110000..U+13FFFF F4 90..BF 80..BF 80..BF
+ U+110000..U+1FFFFF F5..F7 80..BF 80..BF 80..BF
+ U+200000: F8.. * 88..BF 80..BF 80..BF 80..BF
Note the gaps before several of the byte entries above marked by '*'. These are
caused by legal UTF-8 avoiding non-shortest encodings: it is technically
/*
Another way to look at it, as bits:
- Code Points 1st Byte 2nd Byte 3rd Byte 4th Byte
+ Code Points 1st Byte 2nd Byte 3rd Byte 4th Byte
- 0aaaaaaa 0aaaaaaa
- 00000bbbbbaaaaaa 110bbbbb 10aaaaaa
- ccccbbbbbbaaaaaa 1110cccc 10bbbbbb 10aaaaaa
- 00000dddccccccbbbbbbaaaaaa 11110ddd 10cccccc 10bbbbbb 10aaaaaa
+ 0aaa aaaa 0aaa aaaa
+ 0000 0bbb bbaa aaaa 110b bbbb 10aa aaaa
+ cccc bbbb bbaa aaaa 1110 cccc 10bb bbbb 10aa aaaa
+ 00 000d ddcc cccc bbbb bbaa aaaa 1111 0ddd 10cc cccc 10bb bbbb 10aa aaaa
As you can see, the continuation bytes all begin with C<10>, and the
leading bits of the start byte tell how many bytes there are in the
*/
#define UNI_IS_INVARIANT(c) (((UV)c) < 0x80)
-/* Note that C0 and C1 are invalid in legal UTF8, so the lower bound of the
- * below might ought to be C2 */
-#define UTF8_IS_START(c) (((U8)c) >= 0xc0)
+#define UTF8_IS_START(c) (((U8)c) >= 0xc2)
#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)
+
+/* Masking with 0xfe allows low bit to be 0 or 1; thus this matches 0xc[23] */
+#define UTF8_IS_DOWNGRADEABLE_START(c) (((U8)c & 0xfe) == 0xc2)
#define UTF_START_MARK(len) (((len) > 7) ? 0xFF : (0xFE << (7-(len))))
+
+/* Masks out the initial one bits in a start byte, leaving the real data ones.
+ * Doesn't work on an invariant byte */
#define UTF_START_MASK(len) (((len) >= 7) ? 0x00 : (0x1F >> ((len)-2)))
#define UTF_CONTINUATION_MARK 0x80
#define UTF_ACCUMULATION_SHIFT 6
+
+/* 2**UTF_ACCUMULATION_SHIFT - 1 */
#define UTF_CONTINUATION_MASK ((U8)0x3f)
+/* This sets the UTF_CONTINUATION_MASK in the upper bits of a word. If a value
+ * is anded with it, and the result is non-zero, then using the original value
+ * in UTF8_ACCUMULATE will overflow, shifting bits off the left */
+#define UTF_ACCUMULATION_OVERFLOW_MASK \
+ (((UV) UTF_CONTINUATION_MASK) << ((sizeof(UV) * CHARBITS) - UTF_ACCUMULATION_SHIFT))
+
#ifdef HAS_QUAD
#define UNISKIP(uv) ( (uv) < 0x80 ? 1 : \
(uv) < 0x800 ? 2 : \
* bytes from an ordinal that is known to fit into two bytes; it must be less
* than 0x3FF to work across both encodings. */
/* Nocast allows these to be used in the case label of a switch statement */
-#define UTF8_TWO_BYTE_HI_nocast(c) UTF_TO_NATIVE(((c) >> UTF_ACCUMULATION_SHIFT) | (0xFF & UTF_START_MARK(2)))
-#define UTF8_TWO_BYTE_LO_nocast(c) UTF_TO_NATIVE(((c) & UTF_CONTINUATION_MASK) | UTF_CONTINUATION_MARK)
+#define UTF8_TWO_BYTE_HI_nocast(c) NATIVE_TO_I8(((c) \
+ >> UTF_ACCUMULATION_SHIFT) | (0xFF & UTF_START_MARK(2)))
+#define UTF8_TWO_BYTE_LO_nocast(c) NATIVE_TO_I8(((c) & UTF_CONTINUATION_MASK) \
+ | UTF_CONTINUATION_MARK)
#define UTF8_TWO_BYTE_HI(c) ((U8) (UTF8_TWO_BYTE_HI_nocast(c)))
#define UTF8_TWO_BYTE_LO(c) ((U8) (UTF8_TWO_BYTE_LO_nocast(c)))
#define IN_BYTES (CopHINTS_get(PL_curcop) & HINT_BYTES)
#define DO_UTF8(sv) (SvUTF8(sv) && !IN_BYTES)
-#define IN_UNI_8_BIT ( (CopHINTS_get(PL_curcop) & HINT_UNI_8_BIT) \
- && ! IN_LOCALE_RUNTIME && ! IN_BYTES)
+#define IN_UNI_8_BIT \
+ (CopHINTS_get(PL_curcop) & (HINT_UNI_8_BIT|HINT_LOCALE_NOT_CHARS) \
+ && ! IN_LOCALE_RUNTIME && ! IN_BYTES)
+
#define UTF8_ALLOW_EMPTY 0x0001 /* Allow a zero length string */
* U+E000: \xEE\x80\x80 \xF1\xB8\xA0\xA0 next after surrogates
*/
#ifdef EBCDIC /* Both versions assume well-formed UTF8 */
-# define UTF8_IS_SURROGATE(s) (*(s) == UTF_TO_NATIVE(0xF1) \
- && (*((s) +1) == UTF_TO_NATIVE(0xB6)) || *((s) + 1) == UTF_TO_NATIVE(0xB7))
+# define UTF8_IS_SURROGATE(s) (*(s) == UTF_TO_NATIVE(0xF1) \
+ && ((*((s) +1) == UTF_TO_NATIVE(0xB6)) \
+ || *((s) + 1) == UTF_TO_NATIVE(0xB7)))
+ /* <send> points to one beyond the end of the string that starts at <s> */
+# define UTF8_IS_REPLACEMENT(s, send) (*(s) == UTF_TO_NATIVE(0xEF) \
+ && (send - s) >= 4 \
+ && *((s) + 1) == UTF_TO_NATIVE(0xBF) \
+ && *((s) + 2) == UTF_TO_NATIVE(0xBF) \
+ && *((s) + 3) == UTF_TO_NATIVE(0xBD)
#else
# define UTF8_IS_SURROGATE(s) (*(s) == 0xED && *((s) + 1) >= 0xA0)
+# define UTF8_IS_REPLACEMENT(s, send) (*(s) == 0xEF \
+ && (send - s) >= 3 \
+ && *((s) + 1) == 0xBF \
+ && *((s) + 2) == 0xBD)
#endif
/* ASCII EBCDIC I8
* U+110001: \xF4\x90\x80\x81 \xF9\xA2\xA0\xA0\xA1
*/
#ifdef EBCDIC /* Both versions assume well-formed UTF8 */
-# define UTF8_IS_SUPER(s) (*(s) >= UTF_TO_NATIVE(0xF9) \
- && (*(s) > UTF_TO_NATIVE(0xF9) || (*((s) + 1) >= UTF_TO_NATIVE(0xA2))))
+# define UTF8_IS_SUPER(s) (NATIVE_TO_I8(*(s)) >= 0xF9 \
+ && (NATIVE_TO_I8(*(s)) > 0xF9) || (NATIVE_TO_I8(*((s)) + 1 >= 0xA2)))
#else
# define UTF8_IS_SUPER(s) (*(s) >= 0xF4 \
&& (*(s) > 0xF4 || (*((s) + 1) >= 0x90)))
# define UTF8_QUAD_MAX UINT64_C(0x1000000000)
#endif
+#define LATIN_SMALL_LETTER_SHARP_S LATIN_SMALL_LETTER_SHARP_S_NATIVE
+#define LATIN_SMALL_LETTER_Y_WITH_DIAERESIS \
+ LATIN_SMALL_LETTER_Y_WITH_DIAERESIS_NATIVE
+#define MICRO_SIGN MICRO_SIGN_NATIVE
+#define LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE \
+ LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE_NATIVE
+#define LATIN_SMALL_LETTER_A_WITH_RING_ABOVE \
+ LATIN_SMALL_LETTER_A_WITH_RING_ABOVE_NATIVE
#define UNICODE_GREEK_CAPITAL_LETTER_SIGMA 0x03A3
#define UNICODE_GREEK_SMALL_LETTER_FINAL_SIGMA 0x03C2
#define UNICODE_GREEK_SMALL_LETTER_SIGMA 0x03C3
#define GREEK_CAPITAL_LETTER_MU 0x039C /* Upper and title case of MICRON */
#define LATIN_CAPITAL_LETTER_Y_WITH_DIAERESIS 0x0178 /* Also is title case */
#define LATIN_CAPITAL_LETTER_SHARP_S 0x1E9E
+#define LATIN_SMALL_LETTER_LONG_S 0x017F
+#define KELVIN_SIGN 0x212A
+#define ANGSTROM_SIGN 0x212B
#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)
-#ifndef EBCDIC
-# define LATIN_SMALL_LETTER_SHARP_S 0x00DF
-# define LATIN_SMALL_LETTER_Y_WITH_DIAERESIS 0x00FF
-# define MICRO_SIGN 0x00B5
-# define LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE 0x00C5
-# define LATIN_SMALL_LETTER_A_WITH_RING_ABOVE 0x00E5
-#endif
-
#define ANYOF_FOLD_SHARP_S(node, input, end) \
(ANYOF_BITMAP_TEST(node, LATIN_SMALL_LETTER_SHARP_S) && \
(ANYOF_NONBITMAP(node)) && \
toLOWER((input)[1]) == 's')
#define SHARP_S_SKIP 2
-#ifdef EBCDIC
-/* IS_UTF8_CHAR() is not ported to EBCDIC */
-#else
-#define IS_UTF8_CHAR_1(p) \
+#ifndef EBCDIC
+/* If you want to exclude surrogates, and beyond legal Unicode, see the blame
+ * log for earlier versions which gave details for these */
+# define IS_UTF8_CHAR_1(p) \
((p)[0] <= 0x7F)
-#define IS_UTF8_CHAR_2(p) \
+# define IS_UTF8_CHAR_2(p) \
((p)[0] >= 0xC2 && (p)[0] <= 0xDF && \
(p)[1] >= 0x80 && (p)[1] <= 0xBF)
-#define IS_UTF8_CHAR_3a(p) \
+# 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 && \
+# define IS_UTF8_CHAR_3b(p) \
+ ((p)[0] >= 0xE1 && (p)[0] <= 0xEF && \
(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) \
+# 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
+/* 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 && \
+# define IS_UTF8_CHAR_4b(p) \
+ ((p)[0] >= 0xF1 && (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) \
+# 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_3b(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_4b(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) \
+# 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)
+# define IS_UTF8_CHAR_FAST(n) ((n) <= 4)
+
+#else /* EBCDIC */
+
+/* This is an attempt to port IS_UTF8_CHAR to EBCDIC based on eyeballing.
+ * untested. If want to exclude surrogates and above-Unicode, see the
+ * definitions for UTF8_IS_SURROGATE and UTF8_IS_SUPER */
+# define IS_UTF8_CHAR_1(p) \
+ (NATIVE_TO_ASCII((p)[0]) <= 0x9F)
+# define IS_UTF8_CHAR_2(p) \
+ (NATIVE_TO_I8((p)[0]) >= 0xC5 && NATIVE_TO_I8((p)[0]) <= 0xDF && \
+ NATIVE_TO_I8((p)[1]) >= 0xA0 && NATIVE_TO_I8((p)[1]) <= 0xBF)
+# define IS_UTF8_CHAR_3(p) \
+ (NATIVE_TO_I8((p)[0]) == 0xE1 && NATIVE_TO_I8((p)[1]) <= 0xEF && \
+ NATIVE_TO_I8((p)[1]) >= 0xA0 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[2]) >= 0xA0 && NATIVE_TO_I8((p)[2]) <= 0xBF)
+# define IS_UTF8_CHAR_4a(p) \
+ (NATIVE_TO_I8((p)[0]) == 0xF0 && \
+ NATIVE_TO_I8((p)[1]) >= 0xB0 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[2]) >= 0xA0 && NATIVE_TO_I8((p)[2]) <= 0xBF && \
+ NATIVE_TO_I8((p)[3]) >= 0xA0 && NATIVE_TO_I8((p)[3]) <= 0xBF)
+# define IS_UTF8_CHAR_4b(p) \
+ (NATIVE_TO_I8((p)[0]) >= 0xF1 && NATIVE_TO_I8((p)[0]) <= 0xF7 && \
+ NATIVE_TO_I8((p)[1]) >= 0xA0 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[2]) >= 0xA0 && NATIVE_TO_I8((p)[2]) <= 0xBF && \
+ NATIVE_TO_I8((p)[3]) >= 0xA0 && NATIVE_TO_I8((p)[3]) <= 0xBF)
+# define IS_UTF8_CHAR_5a(p) \
+ (NATIVE_TO_I8((p)[0]) == 0xF8 && \
+ NATIVE_TO_I8((p)[1]) >= 0xA8 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[1]) >= 0xA0 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[2]) >= 0xA0 && NATIVE_TO_I8((p)[2]) <= 0xBF && \
+ NATIVE_TO_I8((p)[3]) >= 0xA0 && NATIVE_TO_I8((p)[3]) <= 0xBF)
+# define IS_UTF8_CHAR_5b(p) \
+ (NATIVE_TO_I8((p)[0]) >= 0xF9 && NATIVE_TO_I8((p)[1]) <= 0xFB && \
+ NATIVE_TO_I8((p)[1]) >= 0xA0 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[1]) >= 0xA0 && NATIVE_TO_I8((p)[1]) <= 0xBF && \
+ NATIVE_TO_I8((p)[2]) >= 0xA0 && NATIVE_TO_I8((p)[2]) <= 0xBF && \
+ NATIVE_TO_I8((p)[3]) >= 0xA0 && NATIVE_TO_I8((p)[3]) <= 0xBF)
+
+# define IS_UTF8_CHAR_4(p) \
+ (IS_UTF8_CHAR_4a(p) || \
+ IS_UTF8_CHAR_4b(p))
+# define IS_UTF8_CHAR_5(p) \
+ (IS_UTF8_CHAR_5a(p) || \
+ IS_UTF8_CHAR_5b(p))
+# 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) : \
+ (n) == 5 ? IS_UTF8_CHAR_5(p) : 0)
+
+# define IS_UTF8_CHAR_FAST(n) ((n) <= 5)
#endif /* IS_UTF8_CHAR() for UTF-8 */
* Local variables:
* c-indentation-style: bsd
* c-basic-offset: 4
- * indent-tabs-mode: t
+ * indent-tabs-mode: nil
* End:
*
- * ex: set ts=8 sts=4 sw=4 noet:
+ * ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff