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 */
13 /* At present, char > 0x10ffff are unaffected without complaint, right? */
14 #define VALID_UTF_MAX (0x10ffff)
15 #define OVER_UTF_MAX(uv) (VALID_UTF_MAX < (uv))
17 #define MAX_DIV_16 (UV_MAX / 16)
19 /* Supported Levels */
23 /* Shifted weight at 4th level */
24 #define Shift4Wt (0xFFFF)
26 #define VCE_Length (9)
28 #define Hangul_SBase (0xAC00)
29 #define Hangul_SIni (0xAC00)
30 #define Hangul_SFin (0xD7A3)
31 #define Hangul_NCount (588)
32 #define Hangul_TCount (28)
33 #define Hangul_LBase (0x1100)
34 #define Hangul_LIni (0x1100)
35 #define Hangul_LFin (0x1159)
36 #define Hangul_LFill (0x115F)
37 #define Hangul_LEnd (0x115F) /* Unicode 5.2 */
38 #define Hangul_VBase (0x1161)
39 #define Hangul_VIni (0x1160) /* from Vowel Filler */
40 #define Hangul_VFin (0x11A2)
41 #define Hangul_VEnd (0x11A7) /* Unicode 5.2 */
42 #define Hangul_TBase (0x11A7) /* from "no-final" codepoint */
43 #define Hangul_TIni (0x11A8)
44 #define Hangul_TFin (0x11F9)
45 #define Hangul_TEnd (0x11FF) /* Unicode 5.2 */
46 #define HangulL2Ini (0xA960) /* Unicode 5.2 */
47 #define HangulL2Fin (0xA97C) /* Unicode 5.2 */
48 #define HangulV2Ini (0xD7B0) /* Unicode 5.2 */
49 #define HangulV2Fin (0xD7C6) /* Unicode 5.2 */
50 #define HangulT2Ini (0xD7CB) /* Unicode 5.2 */
51 #define HangulT2Fin (0xD7FB) /* Unicode 5.2 */
53 #define CJK_UidIni (0x4E00)
54 #define CJK_UidFin (0x9FA5)
55 #define CJK_UidF41 (0x9FBB) /* Unicode 4.1 */
56 #define CJK_UidF51 (0x9FC3) /* Unicode 5.1 */
57 #define CJK_UidF52 (0x9FCB) /* Unicode 5.2 */
58 #define CJK_UidF61 (0x9FCC) /* Unicode 6.1 */
59 #define CJK_UidF80 (0x9FD5) /* Unicode 8.0 */
60 #define CJK_UidF100 (0x9FEA) /* Unicode 10.0 */
62 #define CJK_ExtAIni (0x3400) /* Unicode 3.0 */
63 #define CJK_ExtAFin (0x4DB5) /* Unicode 3.0 */
64 #define CJK_ExtBIni (0x20000) /* Unicode 3.1 */
65 #define CJK_ExtBFin (0x2A6D6) /* Unicode 3.1 */
66 #define CJK_ExtCIni (0x2A700) /* Unicode 5.2 */
67 #define CJK_ExtCFin (0x2B734) /* Unicode 5.2 */
68 #define CJK_ExtDIni (0x2B740) /* Unicode 6.0 */
69 #define CJK_ExtDFin (0x2B81D) /* Unicode 6.0 */
70 #define CJK_ExtEIni (0x2B820) /* Unicode 8.0 */
71 #define CJK_ExtEFin (0x2CEA1) /* Unicode 8.0 */
72 #define CJK_ExtFIni (0x2CEB0) /* Unicode 10.0 */
73 #define CJK_ExtFFin (0x2EBE0) /* Unicode 10.0 */
75 #define CJK_CompIni (0xFA0E)
76 #define CJK_CompFin (0xFA29)
77 static const STDCHAR UnifiedCompat[] = {
78 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
79 }; /* 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 */
81 #define TangIdeoIni (0x17000) /* Unicode 9.0 */
82 #define TangIdeoFin (0x187EC) /* Unicode 9.0 */
83 #define TangCompIni (0x18800) /* Unicode 9.0 */
84 #define TangCompFin (0x18AF2) /* Unicode 9.0 */
85 #define NushuIni (0x1B170) /* Unicode 10.0 */
86 #define NushuFin (0x1B2FB) /* Unicode 10.0 */
88 #define codeRange(bcode, ecode) ((bcode) <= code && code <= (ecode))
90 MODULE = Unicode::Collate PACKAGE = Unicode::Collate
99 for (rest = (char **)UCA_rest; *rest; ++rest) {
100 XPUSHs(sv_2mortal(newSVpv((char *) *rest, 0)));
111 if (!OVER_UTF_MAX(uv)){
112 plane = (U8***)UCA_simple[uv >> 16];
114 row = plane[(uv >> 8) & 0xff];
115 result = row ? row[uv & 0xff] : NULL;
120 int num = (int)*result;
123 for (i = 0; i < num; ++i) {
124 PUSHs(sv_2mortal(newSVpvn((char *) result, VCE_Length)));
125 result += VCE_Length;
128 PUSHs(sv_2mortal(newSViv(0)));
132 _ignorable_simple (uv)
141 if (!OVER_UTF_MAX(uv)){
142 plane = (U8***)UCA_simple[uv >> 16];
144 row = plane[(uv >> 8) & 0xff];
145 result = row ? row[uv & 0xff] : NULL;
148 num = (int)*result; /* assuming 0 <= num < 128 */
152 RETVAL = boolSV(num >0);
154 RETVAL = boolSV(num==0);
166 bool overflowed = FALSE;
167 const char *hexdigit;
170 for (e = s + byte; s < e;) {
171 hexdigit = strchr((char *) PL_hexdigit, *s++);
174 value = (hexdigit - PL_hexdigit) & 0xF;
176 hexdigit = strchr((char *) PL_hexdigit, *s++);
181 if (value > MAX_DIV_16) {
185 value = (value << 4) | ((hexdigit - PL_hexdigit) & 0xF);
187 XPUSHs(sv_2mortal(newSVuv(overflowed ? UV_MAX : value)));
197 if (!sv || !SvIOK(sv))
201 0x10FFFF < uv /* out of range */
202 || ((uv & 0xFFFE) == 0xFFFE) /* ??FFF[EF] */
203 || (0xD800 <= uv && uv <= 0xDFFF) /* unpaired surrogates */
204 || (0xFDD0 <= uv && uv <= 0xFDEF) /* other non-characters */
214 UV sindex, lindex, vindex, tindex;
216 /* code *must* be in Hangul syllable.
217 * Check it before you enter here. */
218 sindex = code - Hangul_SBase;
219 lindex = sindex / Hangul_NCount;
220 vindex = (sindex % Hangul_NCount) / Hangul_TCount;
221 tindex = sindex % Hangul_TCount;
223 EXTEND(SP, tindex ? 3 : 2);
224 PUSHs(sv_2mortal(newSVuv(lindex + Hangul_LBase)));
225 PUSHs(sv_2mortal(newSVuv(vindex + Hangul_VBase)));
227 PUSHs(sv_2mortal(newSVuv(tindex + Hangul_TBase)));
231 getHST (code, uca_vers = 0)
235 const char * hangtype;
238 if (codeRange(Hangul_SIni, Hangul_SFin)) {
239 if ((code - Hangul_SBase) % Hangul_TCount) {
240 hangtype = "LVT"; typelen = 3;
242 hangtype = "LV"; typelen = 2;
244 } else if (uca_vers < 20) {
245 if (codeRange(Hangul_LIni, Hangul_LFin) || code == Hangul_LFill) {
246 hangtype = "L"; typelen = 1;
247 } else if (codeRange(Hangul_VIni, Hangul_VFin)) {
248 hangtype = "V"; typelen = 1;
249 } else if (codeRange(Hangul_TIni, Hangul_TFin)) {
250 hangtype = "T"; typelen = 1;
252 hangtype = ""; typelen = 0;
255 if (codeRange(Hangul_LIni, Hangul_LEnd) ||
256 codeRange(HangulL2Ini, HangulL2Fin)) {
257 hangtype = "L"; typelen = 1;
258 } else if (codeRange(Hangul_VIni, Hangul_VEnd) ||
259 codeRange(HangulV2Ini, HangulV2Fin)) {
260 hangtype = "V"; typelen = 1;
261 } else if (codeRange(Hangul_TIni, Hangul_TEnd) ||
262 codeRange(HangulT2Ini, HangulT2Fin)) {
263 hangtype = "T"; typelen = 1;
265 hangtype = ""; typelen = 0;
269 RETVAL = newSVpvn(hangtype, typelen);
288 U8 a[VCE_Length + 1] = "\x00\x00\x00\x00\x00\x00\x00\x00\x00";
289 U8 b[VCE_Length + 1] = "\x00\x00\x00\x00\x00\x00\x00\x00\x00";
290 bool basic_unified = 0, tangut = 0, nushu = 0;
292 if (codeRange(CJK_UidIni, CJK_CompFin)) {
293 if (codeRange(CJK_CompIni, CJK_CompFin))
294 basic_unified = (bool)UnifiedCompat[code - CJK_CompIni];
296 basic_unified = (ix >= 8 ? (code <= CJK_UidF100) :
297 ix >= 6 ? (code <= CJK_UidF80) :
298 ix == 5 ? (code <= CJK_UidF61) :
299 ix >= 3 ? (code <= CJK_UidF52) :
300 ix == 2 ? (code <= CJK_UidF51) :
301 ix == 1 ? (code <= CJK_UidF41) :
302 (code <= CJK_UidFin));
305 tangut = (codeRange(TangIdeoIni, TangIdeoFin) ||
306 codeRange(TangCompIni, TangCompFin));
308 nushu = (codeRange(NushuIni, NushuFin));
316 ((codeRange(CJK_ExtAIni, CJK_ExtAFin))
318 (codeRange(CJK_ExtBIni, CJK_ExtBFin))
320 (ix >= 3 && codeRange(CJK_ExtCIni, CJK_ExtCFin))
322 (ix >= 4 && codeRange(CJK_ExtDIni, CJK_ExtDFin))
324 (ix >= 6 && codeRange(CJK_ExtEIni, CJK_ExtEFin))
326 (ix >= 8 && codeRange(CJK_ExtFIni, CJK_ExtFFin)))
327 ? 0xFB80 /* CJK ext. */
328 : 0xFBC0; /* others */
329 aaaa = tangut || nushu ? base : base + (code >> 15);
330 bbbb = (tangut ? (code - TangIdeoIni) :
331 nushu ? (code - NushuIni) : (code & 0x7FFF)) | 0x8000;
332 a[1] = (U8)(aaaa >> 8);
333 a[2] = (U8)(aaaa & 0xFF);
334 b[1] = (U8)(bbbb >> 8);
335 b[2] = (U8)(bbbb & 0xFF);
336 a[4] = (U8)(0x20); /* second octet of level 2 */
337 a[6] = (U8)(0x02); /* second octet of level 3 */
338 a[7] = b[7] = (U8)(code >> 8);
339 a[8] = b[8] = (U8)(code & 0xFF);
341 PUSHs(sv_2mortal(newSVpvn((char *) a, VCE_Length)));
342 PUSHs(sv_2mortal(newSVpvn((char *) b, VCE_Length)));
350 U8 a[VCE_Length + 1] = "\x00\x00\x00\x00\x00\x00\x00\x00\x00";
351 U8 b[VCE_Length + 1] = "\x00\x00\x00\x00\x00\x00\x00\x00\x00";
353 aaaa = 0xFF80 + (code >> 15);
354 bbbb = (code & 0x7FFF) | 0x8000;
355 a[1] = (U8)(aaaa >> 8);
356 a[2] = (U8)(aaaa & 0xFF);
357 b[1] = (U8)(bbbb >> 8);
358 b[2] = (U8)(bbbb & 0xFF);
359 a[4] = (U8)(0x02); /* second octet of level 2 */
360 a[6] = (U8)(0x01); /* second octet of level 3 */
361 a[7] = b[7] = (U8)(code >> 8);
362 a[8] = b[8] = (U8)(code & 0xFF);
364 PUSHs(sv_2mortal(newSVpvn((char *) a, VCE_Length)));
365 PUSHs(sv_2mortal(newSVpvn((char *) b, VCE_Length)));
372 U8 uice[VCE_Length + 1] = "\x00\x00\x00\x00\x00\x00\x00\x00\x00";
374 uice[1] = uice[7] = (U8)(code >> 8);
375 uice[2] = uice[8] = (U8)(code & 0xFF);
376 uice[4] = (U8)(0x20); /* second octet of level 2 */
377 uice[6] = (U8)(0x02); /* second octet of level 3 */
378 PUSHs(sv_2mortal(newSVpvn((char *) uice, VCE_Length)));
382 _isUIdeo (code, uca_vers)
385 bool basic_unified = 0;
387 /* uca_vers = 0 for _uideoCE_8() */
388 if (CJK_UidIni <= code) {
389 if (codeRange(CJK_CompIni, CJK_CompFin))
390 basic_unified = (bool)UnifiedCompat[code - CJK_CompIni];
392 basic_unified = (uca_vers >= 36 ? (code <= CJK_UidF100) :
393 uca_vers >= 32 ? (code <= CJK_UidF80) :
394 uca_vers >= 24 ? (code <= CJK_UidF61) :
395 uca_vers >= 20 ? (code <= CJK_UidF52) :
396 uca_vers >= 18 ? (code <= CJK_UidF51) :
397 uca_vers >= 14 ? (code <= CJK_UidF41) :
398 (code <= CJK_UidFin));
403 (codeRange(CJK_ExtAIni, CJK_ExtAFin))
405 (uca_vers >= 8 && codeRange(CJK_ExtBIni, CJK_ExtBFin))
407 (uca_vers >= 20 && codeRange(CJK_ExtCIni, CJK_ExtCFin))
409 (uca_vers >= 22 && codeRange(CJK_ExtDIni, CJK_ExtDFin))
411 (uca_vers >= 32 && codeRange(CJK_ExtEIni, CJK_ExtEFin))
413 (uca_vers >= 36 && codeRange(CJK_ExtFIni, CJK_ExtFFin))
420 mk_SortKey (self, buf)
426 U8 *d, *p, *e, *v, *s[MaxLevel], *eachlevel[MaxLevel];
431 IV lv, level, uca_vers;
432 bool upper_lower, kata_hira, v2i, last_is_var;
434 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
435 selfHV = (HV*)SvRV(self);
437 croak("$self is not a HASHREF.");
439 if (SvROK(buf) && SvTYPE(SvRV(buf)) == SVt_PVAV)
440 bufAV = (AV*)SvRV(buf);
442 croak("XSUB, not an ARRAYREF.");
444 buf_len = av_len(bufAV);
446 if (buf_len < 0) { /* empty: -1 */
447 dlen = 2 * (MaxLevel - 1);
449 (void)SvPOK_only(dst);
454 svp = hv_fetch(selfHV, "level", 5, FALSE);
455 level = svp ? SvIV(*svp) : MaxLevel;
457 for (lv = 0; lv < level; lv++) {
458 New(0, eachlevel[lv], 2 * (1 + buf_len) + 1, U8);
459 s[lv] = eachlevel[lv];
462 svp = hv_fetch(selfHV, "upper_before_lower", 18, FALSE);
463 upper_lower = svp ? SvTRUE(*svp) : FALSE;
464 svp = hv_fetch(selfHV, "katakana_before_hiragana", 24, FALSE);
465 kata_hira = svp ? SvTRUE(*svp) : FALSE;
466 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
467 uca_vers = SvIV(*svp);
468 svp = hv_fetch(selfHV, "variable", 8, FALSE);
469 v2i = uca_vers >= 9 && svp /* (vers >= 9) and not (non-ignorable) */
470 ? !(SvCUR(*svp) == 13 && memEQ(SvPVX(*svp), "non-ignorable", 13))
474 for (i = 0; i <= buf_len; i++) {
475 svp = av_fetch(bufAV, i, FALSE);
477 if (svp && SvPOK(*svp))
478 v = (U8*)SvPV(*svp, vlen);
482 if (vlen < VCE_Length) /* ignore short VCE (unexpected) */
485 /* "Ignorable (L1, L2) after Variable" since track. v. 9 */
489 else if (v[1] || v[2]) /* non zero primary weight */
491 else if (last_is_var) /* zero primary weight; skipped */
495 if (v[5] == 0) { /* tert wt < 256 */
497 if (0x8 <= v[6] && v[6] <= 0xC) /* lower */
499 else if (0x2 <= v[6] && v[6] <= 0x6) /* upper */
501 else if (v[6] == 0x1C) /* square upper */
503 else if (v[6] == 0x1D) /* square lower */
507 if (0x0F <= v[6] && v[6] <= 0x13) /* katakana */
509 else if (0xD <= v[6] && v[6] <= 0xE) /* hiragana */
514 for (lv = 0; lv < level; lv++) {
515 if (v[2 * lv + 1] || v[2 * lv + 2]) {
516 *s[lv]++ = v[2 * lv + 1];
517 *s[lv]++ = v[2 * lv + 2];
522 dlen = 2 * (MaxLevel - 1);
523 for (lv = 0; lv < level; lv++)
524 dlen += s[lv] - eachlevel[lv];
527 (void)SvPOK_only(dst);
530 svp = hv_fetch(selfHV, "backwardsFlag", 13, FALSE);
531 back_flag = svp ? SvUV(*svp) : (UV)0;
533 for (lv = 0; lv < level; lv++) {
534 if (back_flag & (1 << (lv + 1))) {
537 for ( ; e < p; p -= 2) {
548 if (lv + 1 < MaxLevel) { /* lv + 1 == real level */
554 for (lv = level; lv < MaxLevel; lv++) {
555 if (lv + 1 < MaxLevel) { /* lv + 1 == real level */
561 for (lv = 0; lv < level; lv++) {
562 Safefree(eachlevel[lv]);
566 SvCUR_set(dst, d - (U8*)SvPVX(dst));
577 SV *dst, *vbl, **svp;
585 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
586 selfHV = (HV*)SvRV(self);
588 croak("$self is not a HASHREF.");
590 svp = hv_fetch(selfHV, "ignore_level2", 13, FALSE);
591 ig_l2 = svp ? SvTRUE(*svp) : FALSE;
593 svp = hv_fetch(selfHV, "variable", 8, FALSE);
594 vbl = svp ? *svp : &PL_sv_no;
595 a = (U8*)SvPV(vbl, alen);
596 v = (U8*)SvPV(vce, vlen);
600 (void)SvPOK_only(dst);
601 Copy(v, d, vlen, U8);
602 SvCUR_set(dst, vlen);
605 /* primary weight == 0 && secondary weight != 0 */
606 if (ig_l2 && !d[1] && !d[2] && (d[3] || d[4])) {
607 d[3] = d[4] = d[5] = d[6] = '\0';
610 /* variable: checked only the first char and the length,
611 trusting checkCollator() and %VariableOK in Perl ... */
613 if (vlen >= VCE_Length && *a != 'n') {
615 if (*a == 's') { /* shifted or shift-trimmed */
616 d[7] = d[1]; /* wt level 1 to 4 */
619 d[1] = d[2] = d[3] = d[4] = d[5] = d[6] = '\0';
620 } else if (*a == 's') { /* shifted or shift-trimmed */
621 totwt = d[1] + d[2] + d[3] + d[4] + d[5] + d[6];
622 if (alen == 7 && totwt != 0) { /* shifted */
623 if (d[1] == 0 && d[2] == 1) { /* XXX: CollationAuxiliary-6.2.0 */
624 d[7] = d[1]; /* wt level 1 to 4 */
627 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
629 croak("Panic: no $self->{UCA_Version} in varCE");
630 uca_vers = SvIV(*svp);
632 /* completely ignorable or the second derived CE */
633 if (uca_vers >= 36 && d[3] + d[4] + d[5] + d[6] == 0) {
636 d[7] = (U8)(Shift4Wt >> 8);
637 d[8] = (U8)(Shift4Wt & 0xFF);
640 } else { /* shift-trimmed or completely ignorable */
644 } /* else non-ignorable */
652 visualizeSortKey (self, key)
661 IV uca_vers, sep = 0;
662 const char *upperhex = "0123456789ABCDEF";
664 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
665 selfHV = (HV*)SvRV(self);
667 croak("$self is not a HASHREF.");
669 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
671 croak("Panic: no $self->{UCA_Version} in visualizeSortKey");
672 uca_vers = SvIV(*svp);
674 s = (U8*)SvPV(key, klen);
676 /* slightly *longer* than the need, but I'm afraid of miscounting;
678 # FFFF and ' ' for each 16bit units but ' ' is less by 1;
679 # ' ' and '|' for level boundaries including the identical level
682 (a) if klen is odd (not expected), maybe more 5 bytes.
683 (b) there is not always the identical level.
685 dlen = (klen / 2) * 5 + MaxLevel * 2 + 2;
687 (void)SvPOK_only(dst);
691 for (e = s + klen; s < e; s += 2) {
692 uv = (U16)(*s << 8 | s[1]);
693 if (uv || sep >= MaxLevel) {
694 if ((d[-1] != '[') && ((9 <= uca_vers) || (d[-1] != '|')))
696 *d++ = upperhex[ (s[0] >> 4) & 0xF ];
697 *d++ = upperhex[ s[0] & 0xF ];
698 *d++ = upperhex[ (s[1] >> 4) & 0xF ];
699 *d++ = upperhex[ s[1] & 0xF ];
701 if ((9 <= uca_vers) && (d[-1] != '['))
709 SvCUR_set(dst, d - (U8*)SvPVX(dst));