2 #define PERL_NO_GET_CONTEXT /* we want efficiency */
4 /* I guese no private function needs pTHX_ and aTHX_ */
10 /* This file is prepared by mkheader */
14 #ifndef utf8n_to_uvuni
15 #define utf8n_to_uvuni utf8_to_uv
16 #endif /* utf8n_to_uvuni */
18 /* UTF8_ALLOW_BOM is used before Perl 5.8.0 */
19 #ifndef UTF8_ALLOW_BOM
20 #define UTF8_ALLOW_BOM (0)
21 #endif /* UTF8_ALLOW_BOM */
23 #ifndef UTF8_ALLOW_SURROGATE
24 #define UTF8_ALLOW_SURROGATE (0)
25 #endif /* UTF8_ALLOW_SURROGATE */
27 #ifndef UTF8_ALLOW_FE_FF
28 #define UTF8_ALLOW_FE_FF (0)
29 #endif /* UTF8_ALLOW_FE_FF */
31 #ifndef UTF8_ALLOW_FFFF
32 #define UTF8_ALLOW_FFFF (0)
33 #endif /* UTF8_ALLOW_FFFF */
35 #define AllowAnyUTF (UTF8_ALLOW_SURROGATE|UTF8_ALLOW_BOM|UTF8_ALLOW_FE_FF|UTF8_ALLOW_FFFF)
37 /* if utf8n_to_uvuni() sets retlen to 0 (?) */
38 #define ErrRetlenIsZero "panic (Unicode::Collate): zero-length character"
40 /* At present, char > 0x10ffff are unaffected without complaint, right? */
41 #define VALID_UTF_MAX (0x10ffff)
42 #define OVER_UTF_MAX(uv) (VALID_UTF_MAX < (uv))
44 static const UV max_div_16 = UV_MAX / 16;
46 /* Supported Levels */
50 /* Shifted weight at 4th level */
51 #define Shift4Wt (0xFFFF)
53 #define VCE_Length (9)
55 #define Hangul_SBase (0xAC00)
56 #define Hangul_SIni (0xAC00)
57 #define Hangul_SFin (0xD7A3)
58 #define Hangul_NCount (588)
59 #define Hangul_TCount (28)
60 #define Hangul_LBase (0x1100)
61 #define Hangul_LIni (0x1100)
62 #define Hangul_LFin (0x1159)
63 #define Hangul_LFill (0x115F)
64 #define Hangul_LEnd (0x115F) /* Unicode 5.2 */
65 #define Hangul_VBase (0x1161)
66 #define Hangul_VIni (0x1160) /* from Vowel Filler */
67 #define Hangul_VFin (0x11A2)
68 #define Hangul_VEnd (0x11A7) /* Unicode 5.2 */
69 #define Hangul_TBase (0x11A7) /* from "no-final" codepoint */
70 #define Hangul_TIni (0x11A8)
71 #define Hangul_TFin (0x11F9)
72 #define Hangul_TEnd (0x11FF) /* Unicode 5.2 */
73 #define HangulL2Ini (0xA960) /* Unicode 5.2 */
74 #define HangulL2Fin (0xA97C) /* Unicode 5.2 */
75 #define HangulV2Ini (0xD7B0) /* Unicode 5.2 */
76 #define HangulV2Fin (0xD7C6) /* Unicode 5.2 */
77 #define HangulT2Ini (0xD7CB) /* Unicode 5.2 */
78 #define HangulT2Fin (0xD7FB) /* Unicode 5.2 */
80 #define CJK_UidIni (0x4E00)
81 #define CJK_UidFin (0x9FA5)
82 #define CJK_UidF41 (0x9FBB)
83 #define CJK_UidF51 (0x9FC3)
84 #define CJK_UidF52 (0x9FCB)
85 #define CJK_UidF61 (0x9FCC)
86 #define CJK_ExtAIni (0x3400) /* Unicode 3.0 */
87 #define CJK_ExtAFin (0x4DB5) /* Unicode 3.0 */
88 #define CJK_ExtBIni (0x20000) /* Unicode 3.1 */
89 #define CJK_ExtBFin (0x2A6D6) /* Unicode 3.1 */
90 #define CJK_ExtCIni (0x2A700) /* Unicode 5.2 */
91 #define CJK_ExtCFin (0x2B734) /* Unicode 5.2 */
92 #define CJK_ExtDIni (0x2B740) /* Unicode 6.0 */
93 #define CJK_ExtDFin (0x2B81D) /* Unicode 6.0 */
95 #define CJK_CompIni (0xFA0E)
96 #define CJK_CompFin (0xFA29)
97 static STDCHAR UnifiedCompat[] = {
98 1,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,1,0,0,1,1,1
99 }; /* E F 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 1 2 3 4 5 6 7 8 9 */
101 #define codeRange(bcode, ecode) ((bcode) <= code && code <= (ecode))
103 MODULE = Unicode::Collate PACKAGE = Unicode::Collate
112 for (rest = UCA_rest; *rest; ++rest) {
113 XPUSHs(sv_2mortal(newSVpv((char *) *rest, 0)));
124 if (!OVER_UTF_MAX(uv)){
125 plane = (U8***)UCA_simple[uv >> 16];
127 row = plane[(uv >> 8) & 0xff];
128 result = row ? row[uv & 0xff] : NULL;
133 int num = (int)*result;
135 for (i = 0; i < num; ++i) {
136 XPUSHs(sv_2mortal(newSVpvn((char *) result, VCE_Length)));
137 result += VCE_Length;
140 XPUSHs(sv_2mortal(newSViv(0)));
144 _ignorable_simple (uv)
153 if (!OVER_UTF_MAX(uv)){
154 plane = (U8***)UCA_simple[uv >> 16];
156 row = plane[(uv >> 8) & 0xff];
157 result = row ? row[uv & 0xff] : NULL;
160 num = (int)*result; /* assuming 0 <= num < 128 */
164 RETVAL = boolSV(num >0);
166 RETVAL = boolSV(num==0);
178 bool overflowed = FALSE;
179 const char *hexdigit;
182 for (e = s + byte; s < e;) {
183 hexdigit = strchr((char *) PL_hexdigit, *s++);
186 value = (hexdigit - PL_hexdigit) & 0xF;
188 hexdigit = strchr((char *) PL_hexdigit, *s++);
193 if (value > max_div_16) {
197 value = (value << 4) | ((hexdigit - PL_hexdigit) & 0xF);
199 XPUSHs(sv_2mortal(newSVuv(overflowed ? UV_MAX : value)));
209 if (!sv || !SvIOK(sv))
213 0x10FFFF < uv /* out of range */
225 /* should be called only if ! _isIllegal(sv). */
228 ((uv & 0xFFFE) == 0xFFFE) /* ??FFF[EF] (cf. utf8.c) */
229 || (0xD800 <= uv && uv <= 0xDFFF) /* unpaired surrogates */
230 || (0xFDD0 <= uv && uv <= 0xFDEF) /* other non-characters */
240 UV sindex, lindex, vindex, tindex;
242 /* code *must* be in Hangul syllable.
243 * Check it before you enter here. */
244 sindex = code - Hangul_SBase;
245 lindex = sindex / Hangul_NCount;
246 vindex = (sindex % Hangul_NCount) / Hangul_TCount;
247 tindex = sindex % Hangul_TCount;
249 XPUSHs(sv_2mortal(newSVuv(lindex + Hangul_LBase)));
250 XPUSHs(sv_2mortal(newSVuv(vindex + Hangul_VBase)));
252 XPUSHs(sv_2mortal(newSVuv(tindex + Hangul_TBase)));
256 getHST (code, uca_vers = 0)
260 const char * hangtype;
263 if (codeRange(Hangul_SIni, Hangul_SFin)) {
264 if ((code - Hangul_SBase) % Hangul_TCount) {
265 hangtype = "LVT"; typelen = 3;
267 hangtype = "LV"; typelen = 2;
269 } else if (uca_vers < 20) {
270 if (codeRange(Hangul_LIni, Hangul_LFin) || code == Hangul_LFill) {
271 hangtype = "L"; typelen = 1;
272 } else if (codeRange(Hangul_VIni, Hangul_VFin)) {
273 hangtype = "V"; typelen = 1;
274 } else if (codeRange(Hangul_TIni, Hangul_TFin)) {
275 hangtype = "T"; typelen = 1;
277 hangtype = ""; typelen = 0;
280 if (codeRange(Hangul_LIni, Hangul_LEnd) ||
281 codeRange(HangulL2Ini, HangulL2Fin)) {
282 hangtype = "L"; typelen = 1;
283 } else if (codeRange(Hangul_VIni, Hangul_VEnd) ||
284 codeRange(HangulV2Ini, HangulV2Fin)) {
285 hangtype = "V"; typelen = 1;
286 } else if (codeRange(Hangul_TIni, Hangul_TEnd) ||
287 codeRange(HangulT2Ini, HangulT2Fin)) {
288 hangtype = "T"; typelen = 1;
290 hangtype = ""; typelen = 0;
294 RETVAL = newSVpvn(hangtype, typelen);
310 U8 a[VCE_Length + 1] = "\x00\xFF\xFF\x00\x20\x00\x02\xFF\xFF";
311 U8 b[VCE_Length + 1] = "\x00\xFF\xFF\x00\x00\x00\x00\xFF\xFF";
312 bool basic_unified = 0;
314 if (CJK_UidIni <= code) {
315 if (codeRange(CJK_CompIni, CJK_CompFin))
316 basic_unified = (bool)UnifiedCompat[code - CJK_CompIni];
318 basic_unified = (ix >= 5 ? (code <= CJK_UidF61) :
319 ix >= 3 ? (code <= CJK_UidF52) :
320 ix == 2 ? (code <= CJK_UidF51) :
321 ix == 1 ? (code <= CJK_UidF41) :
322 (code <= CJK_UidFin));
324 base = (basic_unified)
326 ((codeRange(CJK_ExtAIni, CJK_ExtAFin))
328 (codeRange(CJK_ExtBIni, CJK_ExtBFin))
330 (ix >= 3 && codeRange(CJK_ExtCIni, CJK_ExtCFin))
332 (ix >= 4 && codeRange(CJK_ExtDIni, CJK_ExtDFin)))
333 ? 0xFB80 /* CJK ext. */
334 : 0xFBC0; /* others */
335 aaaa = base + (code >> 15);
336 bbbb = (code & 0x7FFF) | 0x8000;
337 a[1] = (U8)(aaaa >> 8);
338 a[2] = (U8)(aaaa & 0xFF);
339 b[1] = (U8)(bbbb >> 8);
340 b[2] = (U8)(bbbb & 0xFF);
341 a[7] = b[7] = (U8)(code >> 8);
342 a[8] = b[8] = (U8)(code & 0xFF);
343 XPUSHs(sv_2mortal(newSVpvn((char *) a, VCE_Length)));
344 XPUSHs(sv_2mortal(newSVpvn((char *) b, VCE_Length)));
352 U8 a[VCE_Length + 1] = "\x00\xFF\xFF\x00\x02\x00\x01\xFF\xFF";
353 U8 b[VCE_Length + 1] = "\x00\xFF\xFF\x00\x00\x00\x00\xFF\xFF";
355 aaaa = 0xFF80 + (code >> 15);
356 bbbb = (code & 0x7FFF) | 0x8000;
357 a[1] = (U8)(aaaa >> 8);
358 a[2] = (U8)(aaaa & 0xFF);
359 b[1] = (U8)(bbbb >> 8);
360 b[2] = (U8)(bbbb & 0xFF);
361 a[7] = b[7] = (U8)(code >> 8);
362 a[8] = b[8] = (U8)(code & 0xFF);
363 XPUSHs(sv_2mortal(newSVpvn((char *) a, VCE_Length)));
364 XPUSHs(sv_2mortal(newSVpvn((char *) b, VCE_Length)));
371 U8 uice[VCE_Length + 1] = "\x00\xFF\xFF\x00\x20\x00\x02\xFF\xFF";
373 uice[1] = uice[7] = (U8)(code >> 8);
374 uice[2] = uice[8] = (U8)(code & 0xFF);
375 XPUSHs(sv_2mortal(newSVpvn((char *) uice, VCE_Length)));
379 _isUIdeo (code, uca_vers)
382 bool basic_unified = 0;
384 /* uca_vers = 0 for _uideoCE_8() */
385 if (CJK_UidIni <= code) {
386 if (codeRange(CJK_CompIni, CJK_CompFin))
387 basic_unified = (bool)UnifiedCompat[code - CJK_CompIni];
389 basic_unified = (uca_vers >= 24 ? (code <= CJK_UidF61) :
390 uca_vers >= 20 ? (code <= CJK_UidF52) :
391 uca_vers >= 18 ? (code <= CJK_UidF51) :
392 uca_vers >= 14 ? (code <= CJK_UidF41) :
393 (code <= CJK_UidFin));
398 (codeRange(CJK_ExtAIni, CJK_ExtAFin))
400 (uca_vers >= 8 && codeRange(CJK_ExtBIni, CJK_ExtBFin))
402 (uca_vers >= 20 && codeRange(CJK_ExtCIni, CJK_ExtCFin))
404 (uca_vers >= 22 && codeRange(CJK_ExtDIni, CJK_ExtDFin))
411 mk_SortKey (self, buf)
417 U8 *d, *p, *e, *v, *s[MaxLevel], *eachlevel[MaxLevel];
422 IV lv, level, uca_vers;
423 bool upper_lower, kata_hira, v2i, last_is_var;
425 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
426 selfHV = (HV*)SvRV(self);
428 croak("$self is not a HASHREF.");
430 if (SvROK(buf) && SvTYPE(SvRV(buf)) == SVt_PVAV)
431 bufAV = (AV*)SvRV(buf);
433 croak("XSUB, not an ARRAYREF.");
435 buf_len = av_len(bufAV);
437 if (buf_len < 0) { /* empty: -1 */
438 dlen = 2 * (MaxLevel - 1);
440 (void)SvPOK_only(dst);
445 svp = hv_fetch(selfHV, "level", 5, FALSE);
446 level = svp ? SvIV(*svp) : MaxLevel;
448 for (lv = 0; lv < level; lv++) {
449 New(0, eachlevel[lv], 2 * (1 + buf_len) + 1, U8);
450 s[lv] = eachlevel[lv];
453 svp = hv_fetch(selfHV, "upper_before_lower", 18, FALSE);
454 upper_lower = svp ? SvTRUE(*svp) : FALSE;
455 svp = hv_fetch(selfHV, "katakana_before_hiragana", 24, FALSE);
456 kata_hira = svp ? SvTRUE(*svp) : FALSE;
457 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
458 uca_vers = SvIV(*svp);
459 svp = hv_fetch(selfHV, "variable", 8, FALSE);
460 v2i = uca_vers >= 9 && svp /* (vers >= 9) and not (non-ignorable) */
461 ? !(SvCUR(*svp) == 13 && memEQ(SvPVX(*svp), "non-ignorable", 13))
465 for (i = 0; i <= buf_len; i++) {
466 svp = av_fetch(bufAV, i, FALSE);
468 if (svp && SvPOK(*svp))
469 v = (U8*)SvPV(*svp, vlen);
473 if (vlen < VCE_Length) /* ignore short VCE (unexpected) */
476 /* "Ignorable (L1, L2) after Variable" since track. v. 9 */
480 else if (v[1] || v[2]) /* non zero primary weight */
482 else if (last_is_var) /* zero primary weight; skipped */
486 if (v[5] == 0) { /* tert wt < 256 */
488 if (0x8 <= v[6] && v[6] <= 0xC) /* lower */
490 else if (0x2 <= v[6] && v[6] <= 0x6) /* upper */
492 else if (v[6] == 0x1C) /* square upper */
494 else if (v[6] == 0x1D) /* square lower */
498 if (0x0F <= v[6] && v[6] <= 0x13) /* katakana */
500 else if (0xD <= v[6] && v[6] <= 0xE) /* hiragana */
505 for (lv = 0; lv < level; lv++) {
506 if (v[2 * lv + 1] || v[2 * lv + 2]) {
507 *s[lv]++ = v[2 * lv + 1];
508 *s[lv]++ = v[2 * lv + 2];
513 dlen = 2 * (MaxLevel - 1);
514 for (lv = 0; lv < level; lv++)
515 dlen += s[lv] - eachlevel[lv];
518 (void)SvPOK_only(dst);
521 svp = hv_fetch(selfHV, "backwardsFlag", 13, FALSE);
522 back_flag = svp ? SvUV(*svp) : (UV)0;
524 for (lv = 0; lv < level; lv++) {
525 if (back_flag & (1 << (lv + 1))) {
528 for ( ; e < p; p -= 2) {
539 if (lv + 1 < MaxLevel) { /* lv + 1 == real level */
545 for (lv = level; lv < MaxLevel; lv++) {
546 if (lv + 1 < MaxLevel) { /* lv + 1 == real level */
552 for (lv = 0; lv < level; lv++) {
553 Safefree(eachlevel[lv]);
557 SvCUR_set(dst, d - (U8*)SvPVX(dst));
568 SV *dst, *vbl, **svp;
575 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
576 selfHV = (HV*)SvRV(self);
578 croak("$self is not a HASHREF.");
580 svp = hv_fetch(selfHV, "ignore_level2", 13, FALSE);
581 ig_l2 = svp ? SvTRUE(*svp) : FALSE;
583 svp = hv_fetch(selfHV, "variable", 8, FALSE);
584 vbl = svp ? *svp : &PL_sv_no;
585 a = (U8*)SvPV(vbl, alen);
586 v = (U8*)SvPV(vce, vlen);
590 (void)SvPOK_only(dst);
591 Copy(v, d, vlen, U8);
592 SvCUR_set(dst, vlen);
595 /* primary weight == 0 && secondary weight != 0 */
596 if (ig_l2 && !d[1] && !d[2] && (d[3] || d[4])) {
597 d[3] = d[4] = d[5] = d[6] = '\0';
600 /* variable: checked only the first char and the length,
601 trusting checkCollator() and %VariableOK in Perl ... */
603 if (vlen < VCE_Length /* ignore short VCE (unexpected) */
605 *a == 'n') /* non-ignorable */
608 if (*a == 's') { /* shifted or shift-trimmed */
609 d[7] = d[1]; /* wt level 1 to 4 */
613 d[1] = d[2] = d[3] = d[4] = d[5] = d[6] = '\0';
615 else if (*a == 'b') /* blanked */
617 else if (*a == 's') { /* shifted or shift-trimmed */
618 totwt = d[1] + d[2] + d[3] + d[4] + d[5] + d[6];
619 if (alen == 7 && totwt != 0) { /* shifted */
620 if (d[1] == 0 && d[2] == 1) { /* XXX: CollationAuxiliary-6.2.0 */
621 d[7] = d[1]; /* wt level 1 to 4 */
624 d[7] = (U8)(Shift4Wt >> 8);
625 d[8] = (U8)(Shift4Wt & 0xFF);
627 } else { /* shift-trimmed */
632 croak("unknown variable value '%s'", a);
640 visualizeSortKey (self, key)
649 IV uca_vers, sep = 0;
650 static const char *upperhex = "0123456789ABCDEF";
652 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
653 selfHV = (HV*)SvRV(self);
655 croak("$self is not a HASHREF.");
657 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
659 croak("Panic: no $self->{UCA_Version} in visualizeSortKey");
660 uca_vers = SvIV(*svp);
662 s = (U8*)SvPV(key, klen);
664 /* slightly *longer* than the need, but I'm afraid of miscounting;
666 # FFFF and ' ' for each 16bit units but ' ' is less by 1;
667 # ' ' and '|' for level boundaries including the identical level
670 (a) if klen is odd (not expected), maybe more 5 bytes.
671 (b) there is not always the identical level.
673 dlen = (klen / 2) * 5 + MaxLevel * 2 + 2;
675 (void)SvPOK_only(dst);
679 for (e = s + klen; s < e; s += 2) {
680 uv = (U16)(*s << 8 | s[1]);
681 if (uv || sep >= MaxLevel) {
682 if ((d[-1] != '[') && ((9 <= uca_vers) || (d[-1] != '|')))
684 *d++ = upperhex[ (s[0] >> 4) & 0xF ];
685 *d++ = upperhex[ s[0] & 0xF ];
686 *d++ = upperhex[ (s[1] >> 4) & 0xF ];
687 *d++ = upperhex[ s[1] & 0xF ];
689 if ((9 <= uca_vers) && (d[-1] != '['))
697 SvCUR_set(dst, d - (U8*)SvPVX(dst));
708 STRLEN srclen, retlen;
712 s = (U8*)SvPV(src,srclen);
714 SV* tmpsv = sv_mortalcopy(src);
716 (void)sv_pvn_force(tmpsv,&srclen);
717 sv_utf8_upgrade(tmpsv);
718 s = (U8*)SvPV(tmpsv,srclen);
722 for (p = s; p < e; p += retlen) {
723 uv = utf8n_to_uvuni(p, e - p, &retlen, AllowAnyUTF);
725 croak(ErrRetlenIsZero);
726 XPUSHs(sv_2mortal(newSVuv(uv)));