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michaelpqmichaelpq
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Rename enum labels of PG_Locale_Strategy
PG_REGEX_BUILTIN was added in f69319f but it did not follow the same pattern as the previous labels, i.e. PG_LOCALE_*. In addition to this, the two libc strategies did not include in the name that they were related to this library. The enum labels are renamed as PG_STRATEGY_type[_subtype] to make the code clearer, in accordance to the library and the functions they rely on. Author: Andreas Karlsson Discussion: https://postgr.es/m/6f81200f-68fd-411e-97a1-d1f291d2e222@proxel.se
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‎src/backend/regex/regc_pg_locale.c‎

Lines changed: 70 additions & 70 deletions
Original file line numberDiff line numberDiff line change
@@ -65,11 +65,11 @@
6565

6666
typedef enum
6767
{
68-
PG_REGEX_LOCALE_C, /* C locale (encoding independent) */
69-
PG_REGEX_BUILTIN, /* built-in Unicode semantics */
70-
PG_REGEX_LOCALE_WIDE_L, /* Use locale_t <wctype.h> functions */
71-
PG_REGEX_LOCALE_1BYTE_L, /* Use locale_t <ctype.h> functions */
72-
PG_REGEX_LOCALE_ICU, /* Use ICU uchar.h functions */
68+
PG_REGEX_STRATEGY_C, /* C locale (encoding independent) */
69+
PG_REGEX_STRATEGY_BUILTIN, /* built-in Unicode semantics */
70+
PG_REGEX_STRATEGY_LIBC_WIDE, /* Use locale_t <wctype.h> functions */
71+
PG_REGEX_STRATEGY_LIBC_1BYTE, /* Use locale_t <ctype.h> functions */
72+
PG_REGEX_STRATEGY_ICU, /* Use ICU uchar.h functions */
7373
} PG_Locale_Strategy;
7474

7575
static PG_Locale_Strategy pg_regex_strategy;
@@ -246,7 +246,7 @@ pg_set_regex_collation(Oid collation)
246246
if (lc_ctype_is_c(collation))
247247
{
248248
/* C/POSIX collations use this path regardless of database encoding */
249-
pg_regex_strategy = PG_REGEX_LOCALE_C;
249+
pg_regex_strategy = PG_REGEX_STRATEGY_C;
250250
pg_regex_locale = 0;
251251
pg_regex_collation = C_COLLATION_OID;
252252
}
@@ -262,20 +262,20 @@ pg_set_regex_collation(Oid collation)
262262
if (pg_regex_locale->provider == COLLPROVIDER_BUILTIN)
263263
{
264264
Assert(GetDatabaseEncoding() == PG_UTF8);
265-
pg_regex_strategy = PG_REGEX_BUILTIN;
265+
pg_regex_strategy = PG_REGEX_STRATEGY_BUILTIN;
266266
}
267267
#ifdef USE_ICU
268268
else if (pg_regex_locale->provider == COLLPROVIDER_ICU)
269269
{
270-
pg_regex_strategy = PG_REGEX_LOCALE_ICU;
270+
pg_regex_strategy = PG_REGEX_STRATEGY_ICU;
271271
}
272272
#endif
273273
else
274274
{
275275
if (GetDatabaseEncoding() == PG_UTF8)
276-
pg_regex_strategy = PG_REGEX_LOCALE_WIDE_L;
276+
pg_regex_strategy = PG_REGEX_STRATEGY_LIBC_WIDE;
277277
else
278-
pg_regex_strategy = PG_REGEX_LOCALE_1BYTE_L;
278+
pg_regex_strategy = PG_REGEX_STRATEGY_LIBC_1BYTE;
279279
}
280280

281281
pg_regex_collation = collation;
@@ -287,20 +287,20 @@ pg_wc_isdigit(pg_wchar c)
287287
{
288288
switch (pg_regex_strategy)
289289
{
290-
case PG_REGEX_LOCALE_C:
290+
case PG_REGEX_STRATEGY_C:
291291
return (c <= (pg_wchar) 127 &&
292292
(pg_char_properties[c] & PG_ISDIGIT));
293-
case PG_REGEX_BUILTIN:
293+
case PG_REGEX_STRATEGY_BUILTIN:
294294
return pg_u_isdigit(c, true);
295-
case PG_REGEX_LOCALE_WIDE_L:
295+
case PG_REGEX_STRATEGY_LIBC_WIDE:
296296
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
297297
return iswdigit_l((wint_t) c, pg_regex_locale->info.lt);
298298
/* FALL THRU */
299-
case PG_REGEX_LOCALE_1BYTE_L:
299+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
300300
return (c <= (pg_wchar) UCHAR_MAX &&
301301
isdigit_l((unsigned char) c, pg_regex_locale->info.lt));
302302
break;
303-
case PG_REGEX_LOCALE_ICU:
303+
case PG_REGEX_STRATEGY_ICU:
304304
#ifdef USE_ICU
305305
return u_isdigit(c);
306306
#endif
@@ -314,20 +314,20 @@ pg_wc_isalpha(pg_wchar c)
314314
{
315315
switch (pg_regex_strategy)
316316
{
317-
case PG_REGEX_LOCALE_C:
317+
case PG_REGEX_STRATEGY_C:
318318
return (c <= (pg_wchar) 127 &&
319319
(pg_char_properties[c] & PG_ISALPHA));
320-
case PG_REGEX_BUILTIN:
320+
case PG_REGEX_STRATEGY_BUILTIN:
321321
return pg_u_isalpha(c);
322-
case PG_REGEX_LOCALE_WIDE_L:
322+
case PG_REGEX_STRATEGY_LIBC_WIDE:
323323
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
324324
return iswalpha_l((wint_t) c, pg_regex_locale->info.lt);
325325
/* FALL THRU */
326-
case PG_REGEX_LOCALE_1BYTE_L:
326+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
327327
return (c <= (pg_wchar) UCHAR_MAX &&
328328
isalpha_l((unsigned char) c, pg_regex_locale->info.lt));
329329
break;
330-
case PG_REGEX_LOCALE_ICU:
330+
case PG_REGEX_STRATEGY_ICU:
331331
#ifdef USE_ICU
332332
return u_isalpha(c);
333333
#endif
@@ -341,20 +341,20 @@ pg_wc_isalnum(pg_wchar c)
341341
{
342342
switch (pg_regex_strategy)
343343
{
344-
case PG_REGEX_LOCALE_C:
344+
case PG_REGEX_STRATEGY_C:
345345
return (c <= (pg_wchar) 127 &&
346346
(pg_char_properties[c] & PG_ISALNUM));
347-
case PG_REGEX_BUILTIN:
347+
case PG_REGEX_STRATEGY_BUILTIN:
348348
return pg_u_isalnum(c, true);
349-
case PG_REGEX_LOCALE_WIDE_L:
349+
case PG_REGEX_STRATEGY_LIBC_WIDE:
350350
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
351351
return iswalnum_l((wint_t) c, pg_regex_locale->info.lt);
352352
/* FALL THRU */
353-
case PG_REGEX_LOCALE_1BYTE_L:
353+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
354354
return (c <= (pg_wchar) UCHAR_MAX &&
355355
isalnum_l((unsigned char) c, pg_regex_locale->info.lt));
356356
break;
357-
case PG_REGEX_LOCALE_ICU:
357+
case PG_REGEX_STRATEGY_ICU:
358358
#ifdef USE_ICU
359359
return u_isalnum(c);
360360
#endif
@@ -377,20 +377,20 @@ pg_wc_isupper(pg_wchar c)
377377
{
378378
switch (pg_regex_strategy)
379379
{
380-
case PG_REGEX_LOCALE_C:
380+
case PG_REGEX_STRATEGY_C:
381381
return (c <= (pg_wchar) 127 &&
382382
(pg_char_properties[c] & PG_ISUPPER));
383-
case PG_REGEX_BUILTIN:
383+
case PG_REGEX_STRATEGY_BUILTIN:
384384
return pg_u_isupper(c);
385-
case PG_REGEX_LOCALE_WIDE_L:
385+
case PG_REGEX_STRATEGY_LIBC_WIDE:
386386
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
387387
return iswupper_l((wint_t) c, pg_regex_locale->info.lt);
388388
/* FALL THRU */
389-
case PG_REGEX_LOCALE_1BYTE_L:
389+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
390390
return (c <= (pg_wchar) UCHAR_MAX &&
391391
isupper_l((unsigned char) c, pg_regex_locale->info.lt));
392392
break;
393-
case PG_REGEX_LOCALE_ICU:
393+
case PG_REGEX_STRATEGY_ICU:
394394
#ifdef USE_ICU
395395
return u_isupper(c);
396396
#endif
@@ -404,20 +404,20 @@ pg_wc_islower(pg_wchar c)
404404
{
405405
switch (pg_regex_strategy)
406406
{
407-
case PG_REGEX_LOCALE_C:
407+
case PG_REGEX_STRATEGY_C:
408408
return (c <= (pg_wchar) 127 &&
409409
(pg_char_properties[c] & PG_ISLOWER));
410-
case PG_REGEX_BUILTIN:
410+
case PG_REGEX_STRATEGY_BUILTIN:
411411
return pg_u_islower(c);
412-
case PG_REGEX_LOCALE_WIDE_L:
412+
case PG_REGEX_STRATEGY_LIBC_WIDE:
413413
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
414414
return iswlower_l((wint_t) c, pg_regex_locale->info.lt);
415415
/* FALL THRU */
416-
case PG_REGEX_LOCALE_1BYTE_L:
416+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
417417
return (c <= (pg_wchar) UCHAR_MAX &&
418418
islower_l((unsigned char) c, pg_regex_locale->info.lt));
419419
break;
420-
case PG_REGEX_LOCALE_ICU:
420+
case PG_REGEX_STRATEGY_ICU:
421421
#ifdef USE_ICU
422422
return u_islower(c);
423423
#endif
@@ -431,20 +431,20 @@ pg_wc_isgraph(pg_wchar c)
431431
{
432432
switch (pg_regex_strategy)
433433
{
434-
case PG_REGEX_LOCALE_C:
434+
case PG_REGEX_STRATEGY_C:
435435
return (c <= (pg_wchar) 127 &&
436436
(pg_char_properties[c] & PG_ISGRAPH));
437-
case PG_REGEX_BUILTIN:
437+
case PG_REGEX_STRATEGY_BUILTIN:
438438
return pg_u_isgraph(c);
439-
case PG_REGEX_LOCALE_WIDE_L:
439+
case PG_REGEX_STRATEGY_LIBC_WIDE:
440440
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
441441
return iswgraph_l((wint_t) c, pg_regex_locale->info.lt);
442442
/* FALL THRU */
443-
case PG_REGEX_LOCALE_1BYTE_L:
443+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
444444
return (c <= (pg_wchar) UCHAR_MAX &&
445445
isgraph_l((unsigned char) c, pg_regex_locale->info.lt));
446446
break;
447-
case PG_REGEX_LOCALE_ICU:
447+
case PG_REGEX_STRATEGY_ICU:
448448
#ifdef USE_ICU
449449
return u_isgraph(c);
450450
#endif
@@ -458,20 +458,20 @@ pg_wc_isprint(pg_wchar c)
458458
{
459459
switch (pg_regex_strategy)
460460
{
461-
case PG_REGEX_LOCALE_C:
461+
case PG_REGEX_STRATEGY_C:
462462
return (c <= (pg_wchar) 127 &&
463463
(pg_char_properties[c] & PG_ISPRINT));
464-
case PG_REGEX_BUILTIN:
464+
case PG_REGEX_STRATEGY_BUILTIN:
465465
return pg_u_isprint(c);
466-
case PG_REGEX_LOCALE_WIDE_L:
466+
case PG_REGEX_STRATEGY_LIBC_WIDE:
467467
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
468468
return iswprint_l((wint_t) c, pg_regex_locale->info.lt);
469469
/* FALL THRU */
470-
case PG_REGEX_LOCALE_1BYTE_L:
470+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
471471
return (c <= (pg_wchar) UCHAR_MAX &&
472472
isprint_l((unsigned char) c, pg_regex_locale->info.lt));
473473
break;
474-
case PG_REGEX_LOCALE_ICU:
474+
case PG_REGEX_STRATEGY_ICU:
475475
#ifdef USE_ICU
476476
return u_isprint(c);
477477
#endif
@@ -485,20 +485,20 @@ pg_wc_ispunct(pg_wchar c)
485485
{
486486
switch (pg_regex_strategy)
487487
{
488-
case PG_REGEX_LOCALE_C:
488+
case PG_REGEX_STRATEGY_C:
489489
return (c <= (pg_wchar) 127 &&
490490
(pg_char_properties[c] & PG_ISPUNCT));
491-
case PG_REGEX_BUILTIN:
491+
case PG_REGEX_STRATEGY_BUILTIN:
492492
return pg_u_ispunct(c, true);
493-
case PG_REGEX_LOCALE_WIDE_L:
493+
case PG_REGEX_STRATEGY_LIBC_WIDE:
494494
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
495495
return iswpunct_l((wint_t) c, pg_regex_locale->info.lt);
496496
/* FALL THRU */
497-
case PG_REGEX_LOCALE_1BYTE_L:
497+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
498498
return (c <= (pg_wchar) UCHAR_MAX &&
499499
ispunct_l((unsigned char) c, pg_regex_locale->info.lt));
500500
break;
501-
case PG_REGEX_LOCALE_ICU:
501+
case PG_REGEX_STRATEGY_ICU:
502502
#ifdef USE_ICU
503503
return u_ispunct(c);
504504
#endif
@@ -512,20 +512,20 @@ pg_wc_isspace(pg_wchar c)
512512
{
513513
switch (pg_regex_strategy)
514514
{
515-
case PG_REGEX_LOCALE_C:
515+
case PG_REGEX_STRATEGY_C:
516516
return (c <= (pg_wchar) 127 &&
517517
(pg_char_properties[c] & PG_ISSPACE));
518-
case PG_REGEX_BUILTIN:
518+
case PG_REGEX_STRATEGY_BUILTIN:
519519
return pg_u_isspace(c);
520-
case PG_REGEX_LOCALE_WIDE_L:
520+
case PG_REGEX_STRATEGY_LIBC_WIDE:
521521
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
522522
return iswspace_l((wint_t) c, pg_regex_locale->info.lt);
523523
/* FALL THRU */
524-
case PG_REGEX_LOCALE_1BYTE_L:
524+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
525525
return (c <= (pg_wchar) UCHAR_MAX &&
526526
isspace_l((unsigned char) c, pg_regex_locale->info.lt));
527527
break;
528-
case PG_REGEX_LOCALE_ICU:
528+
case PG_REGEX_STRATEGY_ICU:
529529
#ifdef USE_ICU
530530
return u_isspace(c);
531531
#endif
@@ -539,21 +539,21 @@ pg_wc_toupper(pg_wchar c)
539539
{
540540
switch (pg_regex_strategy)
541541
{
542-
case PG_REGEX_LOCALE_C:
542+
case PG_REGEX_STRATEGY_C:
543543
if (c <= (pg_wchar) 127)
544544
return pg_ascii_toupper((unsigned char) c);
545545
return c;
546-
case PG_REGEX_BUILTIN:
546+
case PG_REGEX_STRATEGY_BUILTIN:
547547
return unicode_uppercase_simple(c);
548-
case PG_REGEX_LOCALE_WIDE_L:
548+
case PG_REGEX_STRATEGY_LIBC_WIDE:
549549
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
550550
return towupper_l((wint_t) c, pg_regex_locale->info.lt);
551551
/* FALL THRU */
552-
case PG_REGEX_LOCALE_1BYTE_L:
552+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
553553
if (c <= (pg_wchar) UCHAR_MAX)
554554
return toupper_l((unsigned char) c, pg_regex_locale->info.lt);
555555
return c;
556-
case PG_REGEX_LOCALE_ICU:
556+
case PG_REGEX_STRATEGY_ICU:
557557
#ifdef USE_ICU
558558
return u_toupper(c);
559559
#endif
@@ -567,21 +567,21 @@ pg_wc_tolower(pg_wchar c)
567567
{
568568
switch (pg_regex_strategy)
569569
{
570-
case PG_REGEX_LOCALE_C:
570+
case PG_REGEX_STRATEGY_C:
571571
if (c <= (pg_wchar) 127)
572572
return pg_ascii_tolower((unsigned char) c);
573573
return c;
574-
case PG_REGEX_BUILTIN:
574+
case PG_REGEX_STRATEGY_BUILTIN:
575575
return unicode_lowercase_simple(c);
576-
case PG_REGEX_LOCALE_WIDE_L:
576+
case PG_REGEX_STRATEGY_LIBC_WIDE:
577577
if (sizeof(wchar_t) >= 4 || c <= (pg_wchar) 0xFFFF)
578578
return towlower_l((wint_t) c, pg_regex_locale->info.lt);
579579
/* FALL THRU */
580-
case PG_REGEX_LOCALE_1BYTE_L:
580+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
581581
if (c <= (pg_wchar) UCHAR_MAX)
582582
return tolower_l((unsigned char) c, pg_regex_locale->info.lt);
583583
return c;
584-
case PG_REGEX_LOCALE_ICU:
584+
case PG_REGEX_STRATEGY_ICU:
585585
#ifdef USE_ICU
586586
return u_tolower(c);
587587
#endif
@@ -715,29 +715,29 @@ pg_ctype_get_cache(pg_wc_probefunc probefunc, int cclasscode)
715715
*/
716716
switch (pg_regex_strategy)
717717
{
718-
case PG_REGEX_LOCALE_C:
718+
case PG_REGEX_STRATEGY_C:
719719
#if MAX_SIMPLE_CHR >= 127
720720
max_chr = (pg_wchar) 127;
721721
pcc->cv.cclasscode = -1;
722722
#else
723723
max_chr = (pg_wchar) MAX_SIMPLE_CHR;
724724
#endif
725725
break;
726-
case PG_REGEX_BUILTIN:
726+
case PG_REGEX_STRATEGY_BUILTIN:
727727
max_chr = (pg_wchar) MAX_SIMPLE_CHR;
728728
break;
729-
case PG_REGEX_LOCALE_WIDE_L:
729+
case PG_REGEX_STRATEGY_LIBC_WIDE:
730730
max_chr = (pg_wchar) MAX_SIMPLE_CHR;
731731
break;
732-
case PG_REGEX_LOCALE_1BYTE_L:
732+
case PG_REGEX_STRATEGY_LIBC_1BYTE:
733733
#if MAX_SIMPLE_CHR >= UCHAR_MAX
734734
max_chr = (pg_wchar) UCHAR_MAX;
735735
pcc->cv.cclasscode = -1;
736736
#else
737737
max_chr = (pg_wchar) MAX_SIMPLE_CHR;
738738
#endif
739739
break;
740-
case PG_REGEX_LOCALE_ICU:
740+
case PG_REGEX_STRATEGY_ICU:
741741
max_chr = (pg_wchar) MAX_SIMPLE_CHR;
742742
break;
743743
default:

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