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 static const UV 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)
56 #define CJK_UidF51 (0x9FC3)
57 #define CJK_UidF52 (0x9FCB)
58 #define CJK_UidF61 (0x9FCC)
59 #define CJK_ExtAIni (0x3400) /* Unicode 3.0 */
60 #define CJK_ExtAFin (0x4DB5) /* Unicode 3.0 */
61 #define CJK_ExtBIni (0x20000) /* Unicode 3.1 */
62 #define CJK_ExtBFin (0x2A6D6) /* Unicode 3.1 */
63 #define CJK_ExtCIni (0x2A700) /* Unicode 5.2 */
64 #define CJK_ExtCFin (0x2B734) /* Unicode 5.2 */
65 #define CJK_ExtDIni (0x2B740) /* Unicode 6.0 */
66 #define CJK_ExtDFin (0x2B81D) /* Unicode 6.0 */
68 #define CJK_CompIni (0xFA0E)
69 #define CJK_CompFin (0xFA29)
70 static STDCHAR UnifiedCompat[] = {
71 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
72 }; /* 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 */
74 #define codeRange(bcode, ecode) ((bcode) <= code && code <= (ecode))
76 MODULE = Unicode::Collate PACKAGE = Unicode::Collate
85 for (rest = UCA_rest; *rest; ++rest) {
86 XPUSHs(sv_2mortal(newSVpv((char *) *rest, 0)));
97 if (!OVER_UTF_MAX(uv)){
98 plane = (U8***)UCA_simple[uv >> 16];
100 row = plane[(uv >> 8) & 0xff];
101 result = row ? row[uv & 0xff] : NULL;
106 int num = (int)*result;
108 for (i = 0; i < num; ++i) {
109 XPUSHs(sv_2mortal(newSVpvn((char *) result, VCE_Length)));
110 result += VCE_Length;
113 XPUSHs(sv_2mortal(newSViv(0)));
117 _ignorable_simple (uv)
126 if (!OVER_UTF_MAX(uv)){
127 plane = (U8***)UCA_simple[uv >> 16];
129 row = plane[(uv >> 8) & 0xff];
130 result = row ? row[uv & 0xff] : NULL;
133 num = (int)*result; /* assuming 0 <= num < 128 */
137 RETVAL = boolSV(num >0);
139 RETVAL = boolSV(num==0);
151 bool overflowed = FALSE;
152 const char *hexdigit;
155 for (e = s + byte; s < e;) {
156 hexdigit = strchr((char *) PL_hexdigit, *s++);
159 value = (hexdigit - PL_hexdigit) & 0xF;
161 hexdigit = strchr((char *) PL_hexdigit, *s++);
166 if (value > max_div_16) {
170 value = (value << 4) | ((hexdigit - PL_hexdigit) & 0xF);
172 XPUSHs(sv_2mortal(newSVuv(overflowed ? UV_MAX : value)));
182 if (!sv || !SvIOK(sv))
186 0x10FFFF < uv /* out of range */
187 || ((uv & 0xFFFE) == 0xFFFE) /* ??FFF[EF] */
188 || (0xD800 <= uv && uv <= 0xDFFF) /* unpaired surrogates */
189 || (0xFDD0 <= uv && uv <= 0xFDEF) /* other non-characters */
199 UV sindex, lindex, vindex, tindex;
201 /* code *must* be in Hangul syllable.
202 * Check it before you enter here. */
203 sindex = code - Hangul_SBase;
204 lindex = sindex / Hangul_NCount;
205 vindex = (sindex % Hangul_NCount) / Hangul_TCount;
206 tindex = sindex % Hangul_TCount;
208 XPUSHs(sv_2mortal(newSVuv(lindex + Hangul_LBase)));
209 XPUSHs(sv_2mortal(newSVuv(vindex + Hangul_VBase)));
211 XPUSHs(sv_2mortal(newSVuv(tindex + Hangul_TBase)));
215 getHST (code, uca_vers = 0)
219 const char * hangtype;
222 if (codeRange(Hangul_SIni, Hangul_SFin)) {
223 if ((code - Hangul_SBase) % Hangul_TCount) {
224 hangtype = "LVT"; typelen = 3;
226 hangtype = "LV"; typelen = 2;
228 } else if (uca_vers < 20) {
229 if (codeRange(Hangul_LIni, Hangul_LFin) || code == Hangul_LFill) {
230 hangtype = "L"; typelen = 1;
231 } else if (codeRange(Hangul_VIni, Hangul_VFin)) {
232 hangtype = "V"; typelen = 1;
233 } else if (codeRange(Hangul_TIni, Hangul_TFin)) {
234 hangtype = "T"; typelen = 1;
236 hangtype = ""; typelen = 0;
239 if (codeRange(Hangul_LIni, Hangul_LEnd) ||
240 codeRange(HangulL2Ini, HangulL2Fin)) {
241 hangtype = "L"; typelen = 1;
242 } else if (codeRange(Hangul_VIni, Hangul_VEnd) ||
243 codeRange(HangulV2Ini, HangulV2Fin)) {
244 hangtype = "V"; typelen = 1;
245 } else if (codeRange(Hangul_TIni, Hangul_TEnd) ||
246 codeRange(HangulT2Ini, HangulT2Fin)) {
247 hangtype = "T"; typelen = 1;
249 hangtype = ""; typelen = 0;
253 RETVAL = newSVpvn(hangtype, typelen);
269 U8 a[VCE_Length + 1] = "\x00\xFF\xFF\x00\x20\x00\x02\xFF\xFF";
270 U8 b[VCE_Length + 1] = "\x00\xFF\xFF\x00\x00\x00\x00\xFF\xFF";
271 bool basic_unified = 0;
273 if (CJK_UidIni <= code) {
274 if (codeRange(CJK_CompIni, CJK_CompFin))
275 basic_unified = (bool)UnifiedCompat[code - CJK_CompIni];
277 basic_unified = (ix >= 5 ? (code <= CJK_UidF61) :
278 ix >= 3 ? (code <= CJK_UidF52) :
279 ix == 2 ? (code <= CJK_UidF51) :
280 ix == 1 ? (code <= CJK_UidF41) :
281 (code <= CJK_UidFin));
283 base = (basic_unified)
285 ((codeRange(CJK_ExtAIni, CJK_ExtAFin))
287 (codeRange(CJK_ExtBIni, CJK_ExtBFin))
289 (ix >= 3 && codeRange(CJK_ExtCIni, CJK_ExtCFin))
291 (ix >= 4 && codeRange(CJK_ExtDIni, CJK_ExtDFin)))
292 ? 0xFB80 /* CJK ext. */
293 : 0xFBC0; /* others */
294 aaaa = base + (code >> 15);
295 bbbb = (code & 0x7FFF) | 0x8000;
296 a[1] = (U8)(aaaa >> 8);
297 a[2] = (U8)(aaaa & 0xFF);
298 b[1] = (U8)(bbbb >> 8);
299 b[2] = (U8)(bbbb & 0xFF);
300 a[7] = b[7] = (U8)(code >> 8);
301 a[8] = b[8] = (U8)(code & 0xFF);
302 XPUSHs(sv_2mortal(newSVpvn((char *) a, VCE_Length)));
303 XPUSHs(sv_2mortal(newSVpvn((char *) b, VCE_Length)));
311 U8 a[VCE_Length + 1] = "\x00\xFF\xFF\x00\x02\x00\x01\xFF\xFF";
312 U8 b[VCE_Length + 1] = "\x00\xFF\xFF\x00\x00\x00\x00\xFF\xFF";
314 aaaa = 0xFF80 + (code >> 15);
315 bbbb = (code & 0x7FFF) | 0x8000;
316 a[1] = (U8)(aaaa >> 8);
317 a[2] = (U8)(aaaa & 0xFF);
318 b[1] = (U8)(bbbb >> 8);
319 b[2] = (U8)(bbbb & 0xFF);
320 a[7] = b[7] = (U8)(code >> 8);
321 a[8] = b[8] = (U8)(code & 0xFF);
322 XPUSHs(sv_2mortal(newSVpvn((char *) a, VCE_Length)));
323 XPUSHs(sv_2mortal(newSVpvn((char *) b, VCE_Length)));
330 U8 uice[VCE_Length + 1] = "\x00\xFF\xFF\x00\x20\x00\x02\xFF\xFF";
332 uice[1] = uice[7] = (U8)(code >> 8);
333 uice[2] = uice[8] = (U8)(code & 0xFF);
334 XPUSHs(sv_2mortal(newSVpvn((char *) uice, VCE_Length)));
338 _isUIdeo (code, uca_vers)
341 bool basic_unified = 0;
343 /* uca_vers = 0 for _uideoCE_8() */
344 if (CJK_UidIni <= code) {
345 if (codeRange(CJK_CompIni, CJK_CompFin))
346 basic_unified = (bool)UnifiedCompat[code - CJK_CompIni];
348 basic_unified = (uca_vers >= 24 ? (code <= CJK_UidF61) :
349 uca_vers >= 20 ? (code <= CJK_UidF52) :
350 uca_vers >= 18 ? (code <= CJK_UidF51) :
351 uca_vers >= 14 ? (code <= CJK_UidF41) :
352 (code <= CJK_UidFin));
357 (codeRange(CJK_ExtAIni, CJK_ExtAFin))
359 (uca_vers >= 8 && codeRange(CJK_ExtBIni, CJK_ExtBFin))
361 (uca_vers >= 20 && codeRange(CJK_ExtCIni, CJK_ExtCFin))
363 (uca_vers >= 22 && codeRange(CJK_ExtDIni, CJK_ExtDFin))
370 mk_SortKey (self, buf)
376 U8 *d, *p, *e, *v, *s[MaxLevel], *eachlevel[MaxLevel];
381 IV lv, level, uca_vers;
382 bool upper_lower, kata_hira, v2i, last_is_var;
384 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
385 selfHV = (HV*)SvRV(self);
387 croak("$self is not a HASHREF.");
389 if (SvROK(buf) && SvTYPE(SvRV(buf)) == SVt_PVAV)
390 bufAV = (AV*)SvRV(buf);
392 croak("XSUB, not an ARRAYREF.");
394 buf_len = av_len(bufAV);
396 if (buf_len < 0) { /* empty: -1 */
397 dlen = 2 * (MaxLevel - 1);
399 (void)SvPOK_only(dst);
404 svp = hv_fetch(selfHV, "level", 5, FALSE);
405 level = svp ? SvIV(*svp) : MaxLevel;
407 for (lv = 0; lv < level; lv++) {
408 New(0, eachlevel[lv], 2 * (1 + buf_len) + 1, U8);
409 s[lv] = eachlevel[lv];
412 svp = hv_fetch(selfHV, "upper_before_lower", 18, FALSE);
413 upper_lower = svp ? SvTRUE(*svp) : FALSE;
414 svp = hv_fetch(selfHV, "katakana_before_hiragana", 24, FALSE);
415 kata_hira = svp ? SvTRUE(*svp) : FALSE;
416 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
417 uca_vers = SvIV(*svp);
418 svp = hv_fetch(selfHV, "variable", 8, FALSE);
419 v2i = uca_vers >= 9 && svp /* (vers >= 9) and not (non-ignorable) */
420 ? !(SvCUR(*svp) == 13 && memEQ(SvPVX(*svp), "non-ignorable", 13))
424 for (i = 0; i <= buf_len; i++) {
425 svp = av_fetch(bufAV, i, FALSE);
427 if (svp && SvPOK(*svp))
428 v = (U8*)SvPV(*svp, vlen);
432 if (vlen < VCE_Length) /* ignore short VCE (unexpected) */
435 /* "Ignorable (L1, L2) after Variable" since track. v. 9 */
439 else if (v[1] || v[2]) /* non zero primary weight */
441 else if (last_is_var) /* zero primary weight; skipped */
445 if (v[5] == 0) { /* tert wt < 256 */
447 if (0x8 <= v[6] && v[6] <= 0xC) /* lower */
449 else if (0x2 <= v[6] && v[6] <= 0x6) /* upper */
451 else if (v[6] == 0x1C) /* square upper */
453 else if (v[6] == 0x1D) /* square lower */
457 if (0x0F <= v[6] && v[6] <= 0x13) /* katakana */
459 else if (0xD <= v[6] && v[6] <= 0xE) /* hiragana */
464 for (lv = 0; lv < level; lv++) {
465 if (v[2 * lv + 1] || v[2 * lv + 2]) {
466 *s[lv]++ = v[2 * lv + 1];
467 *s[lv]++ = v[2 * lv + 2];
472 dlen = 2 * (MaxLevel - 1);
473 for (lv = 0; lv < level; lv++)
474 dlen += s[lv] - eachlevel[lv];
477 (void)SvPOK_only(dst);
480 svp = hv_fetch(selfHV, "backwardsFlag", 13, FALSE);
481 back_flag = svp ? SvUV(*svp) : (UV)0;
483 for (lv = 0; lv < level; lv++) {
484 if (back_flag & (1 << (lv + 1))) {
487 for ( ; e < p; p -= 2) {
498 if (lv + 1 < MaxLevel) { /* lv + 1 == real level */
504 for (lv = level; lv < MaxLevel; lv++) {
505 if (lv + 1 < MaxLevel) { /* lv + 1 == real level */
511 for (lv = 0; lv < level; lv++) {
512 Safefree(eachlevel[lv]);
516 SvCUR_set(dst, d - (U8*)SvPVX(dst));
527 SV *dst, *vbl, **svp;
534 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
535 selfHV = (HV*)SvRV(self);
537 croak("$self is not a HASHREF.");
539 svp = hv_fetch(selfHV, "ignore_level2", 13, FALSE);
540 ig_l2 = svp ? SvTRUE(*svp) : FALSE;
542 svp = hv_fetch(selfHV, "variable", 8, FALSE);
543 vbl = svp ? *svp : &PL_sv_no;
544 a = (U8*)SvPV(vbl, alen);
545 v = (U8*)SvPV(vce, vlen);
549 (void)SvPOK_only(dst);
550 Copy(v, d, vlen, U8);
551 SvCUR_set(dst, vlen);
554 /* primary weight == 0 && secondary weight != 0 */
555 if (ig_l2 && !d[1] && !d[2] && (d[3] || d[4])) {
556 d[3] = d[4] = d[5] = d[6] = '\0';
559 /* variable: checked only the first char and the length,
560 trusting checkCollator() and %VariableOK in Perl ... */
562 if (vlen >= VCE_Length && *a != 'n') {
564 if (*a == 's') { /* shifted or shift-trimmed */
565 d[7] = d[1]; /* wt level 1 to 4 */
568 d[1] = d[2] = d[3] = d[4] = d[5] = d[6] = '\0';
569 } else if (*a == 's') { /* shifted or shift-trimmed */
570 totwt = d[1] + d[2] + d[3] + d[4] + d[5] + d[6];
571 if (alen == 7 && totwt != 0) { /* shifted */
572 if (d[1] == 0 && d[2] == 1) { /* XXX: CollationAuxiliary-6.2.0 */
573 d[7] = d[1]; /* wt level 1 to 4 */
576 d[7] = (U8)(Shift4Wt >> 8);
577 d[8] = (U8)(Shift4Wt & 0xFF);
579 } else { /* shift-trimmed or completely ignorable */
583 } /* else non-ignorable */
591 visualizeSortKey (self, key)
600 IV uca_vers, sep = 0;
601 static const char *upperhex = "0123456789ABCDEF";
603 if (SvROK(self) && SvTYPE(SvRV(self)) == SVt_PVHV)
604 selfHV = (HV*)SvRV(self);
606 croak("$self is not a HASHREF.");
608 svp = hv_fetch(selfHV, "UCA_Version", 11, FALSE);
610 croak("Panic: no $self->{UCA_Version} in visualizeSortKey");
611 uca_vers = SvIV(*svp);
613 s = (U8*)SvPV(key, klen);
615 /* slightly *longer* than the need, but I'm afraid of miscounting;
617 # FFFF and ' ' for each 16bit units but ' ' is less by 1;
618 # ' ' and '|' for level boundaries including the identical level
621 (a) if klen is odd (not expected), maybe more 5 bytes.
622 (b) there is not always the identical level.
624 dlen = (klen / 2) * 5 + MaxLevel * 2 + 2;
626 (void)SvPOK_only(dst);
630 for (e = s + klen; s < e; s += 2) {
631 uv = (U16)(*s << 8 | s[1]);
632 if (uv || sep >= MaxLevel) {
633 if ((d[-1] != '[') && ((9 <= uca_vers) || (d[-1] != '|')))
635 *d++ = upperhex[ (s[0] >> 4) & 0xF ];
636 *d++ = upperhex[ s[0] & 0xF ];
637 *d++ = upperhex[ (s[1] >> 4) & 0xF ];
638 *d++ = upperhex[ s[1] & 0xF ];
640 if ((9 <= uca_vers) && (d[-1] != '['))
648 SvCUR_set(dst, d - (U8*)SvPVX(dst));