mono/metadata/locales.c

   1 /*
   2  * locales.c: Culture-sensitive handling
   3  *
   4  * Author:
   5  *      Dick Porter (dick@ximian.com)
   6  *      Mohammad DAMT (mdamt@cdl2000.com)
   7  *
   8  * (C) 2003 Ximian, Inc.
   9  * (C) 2003 PT Cakram Datalingga Duaribu  http://www.cdl2000.com
  10  */
  11
  12 #include <config.h>
  13 #include <glib.h>
  14 #include <string.h>
  15
  16 #include <mono/metadata/debug-helpers.h>
  17 #include <mono/metadata/object.h>
  18 #include <mono/metadata/appdomain.h>
  19 #include <mono/metadata/exception.h>
  20 #include <mono/metadata/monitor.h>
  21 #include <mono/metadata/locales.h>
  22 #include <mono/metadata/culture-info.h>
  23 #include <mono/metadata/culture-info-tables.h>
  24 #include <mono/metadata/normalization-tables.h>
  25
  26
  27 #include <locale.h>
  28
  29 #undef DEBUG
  30
  31 static gint32 string_invariant_compare_char (gunichar2 c1, gunichar2 c2,
  32                                              gint32 options);
  33 static gint32 string_invariant_compare (MonoString *str1, gint32 off1,
  34                                         gint32 len1, MonoString *str2,
  35                                         gint32 off2, gint32 len2,
  36                                         gint32 options);
  37 static MonoString *string_invariant_replace (MonoString *me,
  38                                              MonoString *oldValue,
  39                                              MonoString *newValue);
  40 static gint32 string_invariant_indexof (MonoString *source, gint32 sindex,
  41                                         gint32 count, MonoString *value,
  42                                         MonoBoolean first);
  43 static gint32 string_invariant_indexof_char (MonoString *source, gint32 sindex,
  44                                              gint32 count, gunichar2 value,
  45                                              MonoBoolean first);
  46
  47 static const CultureInfoEntry* culture_info_entry_from_lcid (int lcid);
  48
  49 static const RegionInfoEntry* region_info_entry_from_lcid (int lcid);
  50
  51 static int
  52 culture_lcid_locator (const void *a, const void *b)
  53 {
  54         const CultureInfoEntry *aa = a;
  55         const CultureInfoEntry *bb = b;
  56
  57         return (aa->lcid - bb->lcid);
  58 }
  59
  60 static int
  61 region_lcid_locator (const void *a, const void *b)
  62 {
  63         const int *lcid = a;
  64         const CultureInfoEntry *bb = b;
  65
  66         return *lcid - bb->lcid;
  67 }
  68
  69 static int
  70 culture_name_locator (const void *a, const void *b)
  71 {
  72         const char *aa = a;
  73         const CultureInfoNameEntry *bb = b;
  74         int ret;
  75
  76         ret = strcmp (aa, idx2string (bb->name));
  77
  78         return ret;
  79 }
  80
  81 static int
  82 region_name_locator (const void *a, const void *b)
  83 {
  84         const char *aa = a;
  85         const RegionInfoNameEntry *bb = b;
  86         int ret;
  87
  88         ret = strcmp (aa, idx2string (bb->name));
  89
  90         return ret;
  91 }
  92
  93 static MonoArray*
  94 create_group_sizes_array (const gint *gs, gint ml)
  95 {
  96         MonoArray *ret;
  97         int i, len = 0;
  98
  99         for (i = 0; i < ml; i++) {
 100                 if (gs [i] == -1)
 101                         break;
 102                 len++;
 103         }
 104
 105         ret = mono_array_new (mono_domain_get (),
 106                         mono_get_int32_class (), len);
 107
 108         for(i = 0; i < len; i++)
 109                 mono_array_set (ret, gint32, i, gs [i]);
 110
 111         return ret;
 112 }
 113
 114 static MonoArray*
 115 create_names_array_idx (const guint16 *names, int ml)
 116 {
 117         MonoArray *ret;
 118         MonoDomain *domain;
 119         int i, len = 0;
 120
 121         if (names == NULL)
 122                 return NULL;
 123
 124         domain = mono_domain_get ();
 125
 126         for (i = 0; i < ml; i++) {
 127                 if (names [i] == 0)
 128                         break;
 129                 len++;
 130         }
 131
 132         ret = mono_array_new (mono_domain_get (), mono_get_string_class (), len);
 133
 134         for(i = 0; i < len; i++)
 135                 mono_array_setref (ret, i, mono_string_new (domain, idx2string (names [i])));
 136
 137         return ret;
 138 }
 139
 140 void
 141 ves_icall_System_Globalization_CultureInfo_construct_datetime_format (MonoCultureInfo *this)
 142 {
 143         MonoDomain *domain;
 144         MonoDateTimeFormatInfo *datetime;
 145         const DateTimeFormatEntry *dfe;
 146
 147         MONO_ARCH_SAVE_REGS;
 148
 149         g_assert (this->datetime_index >= 0);
 150
 151         datetime = this->datetime_format;
 152         dfe = &datetime_format_entries [this->datetime_index];
 153
 154         domain = mono_domain_get ();
 155
 156         MONO_OBJECT_SETREF (datetime, AbbreviatedDayNames, create_names_array_idx (dfe->abbreviated_day_names,
 157                         NUM_DAYS));
 158         MONO_OBJECT_SETREF (datetime, AbbreviatedMonthNames, create_names_array_idx (dfe->abbreviated_month_names,
 159                         NUM_MONTHS));
 160         MONO_OBJECT_SETREF (datetime, AMDesignator, mono_string_new (domain, idx2string (dfe->am_designator)));
 161         datetime->CalendarWeekRule = dfe->calendar_week_rule;
 162         MONO_OBJECT_SETREF (datetime, DateSeparator, mono_string_new (domain, idx2string (dfe->date_separator)));
 163         MONO_OBJECT_SETREF (datetime, DayNames, create_names_array_idx (dfe->day_names, NUM_DAYS));
 164         datetime->FirstDayOfWeek = dfe->first_day_of_week;
 165         MONO_OBJECT_SETREF (datetime, FullDateTimePattern, mono_string_new (domain, idx2string (dfe->full_date_time_pattern)));
 166         MONO_OBJECT_SETREF (datetime, LongDatePattern, mono_string_new (domain, idx2string (dfe->long_date_pattern)));
 167         MONO_OBJECT_SETREF (datetime, LongTimePattern, mono_string_new (domain, idx2string (dfe->long_time_pattern)));
 168         MONO_OBJECT_SETREF (datetime, MonthDayPattern, mono_string_new (domain, idx2string (dfe->month_day_pattern)));
 169         MONO_OBJECT_SETREF (datetime, MonthNames, create_names_array_idx (dfe->month_names, NUM_MONTHS));
 170         MONO_OBJECT_SETREF (datetime, PMDesignator, mono_string_new (domain, idx2string (dfe->pm_designator)));
 171         MONO_OBJECT_SETREF (datetime, ShortDatePattern, mono_string_new (domain, idx2string (dfe->short_date_pattern)));
 172         MONO_OBJECT_SETREF (datetime, ShortTimePattern, mono_string_new (domain, idx2string (dfe->short_time_pattern)));
 173         MONO_OBJECT_SETREF (datetime, TimeSeparator, mono_string_new (domain, idx2string (dfe->time_separator)));
 174         MONO_OBJECT_SETREF (datetime, YearMonthPattern, mono_string_new (domain, idx2string (dfe->year_month_pattern)));
 175         MONO_OBJECT_SETREF (datetime, ShortDatePatterns, create_names_array_idx (dfe->short_date_patterns,
 176                         NUM_SHORT_DATE_PATTERNS));
 177         MONO_OBJECT_SETREF (datetime, LongDatePatterns, create_names_array_idx (dfe->long_date_patterns,
 178                         NUM_LONG_DATE_PATTERNS));
 179         MONO_OBJECT_SETREF (datetime, ShortTimePatterns, create_names_array_idx (dfe->short_time_patterns,
 180                         NUM_SHORT_TIME_PATTERNS));
 181         MONO_OBJECT_SETREF (datetime, LongTimePatterns, create_names_array_idx (dfe->long_time_patterns,
 182                         NUM_LONG_TIME_PATTERNS));
 183
 184 }
 185
 186 void
 187 ves_icall_System_Globalization_CultureInfo_construct_number_format (MonoCultureInfo *this)
 188 {
 189         MonoDomain *domain;
 190         MonoNumberFormatInfo *number;
 191         const NumberFormatEntry *nfe;
 192
 193         MONO_ARCH_SAVE_REGS;
 194
 195         g_assert (this->number_format != 0);
 196
 197         number = this->number_format;
 198         nfe = &number_format_entries [this->number_index];
 199
 200         domain = mono_domain_get ();
 201
 202         number->currencyDecimalDigits = nfe->currency_decimal_digits;
 203         MONO_OBJECT_SETREF (number, currencyDecimalSeparator, mono_string_new (domain,
 204                         idx2string (nfe->currency_decimal_separator)));
 205         MONO_OBJECT_SETREF (number, currencyGroupSeparator, mono_string_new (domain,
 206                         idx2string (nfe->currency_group_separator)));
 207         MONO_OBJECT_SETREF (number, currencyGroupSizes, create_group_sizes_array (nfe->currency_group_sizes,
 208                         GROUP_SIZE));
 209         number->currencyNegativePattern = nfe->currency_negative_pattern;
 210         number->currencyPositivePattern = nfe->currency_positive_pattern;
 211         MONO_OBJECT_SETREF (number, currencySymbol, mono_string_new (domain, idx2string (nfe->currency_symbol)));
 212         MONO_OBJECT_SETREF (number, naNSymbol, mono_string_new (domain, idx2string (nfe->nan_symbol)));
 213         MONO_OBJECT_SETREF (number, negativeInfinitySymbol, mono_string_new (domain,
 214                         idx2string (nfe->negative_infinity_symbol)));
 215         MONO_OBJECT_SETREF (number, negativeSign, mono_string_new (domain, idx2string (nfe->negative_sign)));
 216         number->numberDecimalDigits = nfe->number_decimal_digits;
 217         MONO_OBJECT_SETREF (number, numberDecimalSeparator, mono_string_new (domain,
 218                         idx2string (nfe->number_decimal_separator)));
 219         MONO_OBJECT_SETREF (number, numberGroupSeparator, mono_string_new (domain, idx2string (nfe->number_group_separator)));
 220         MONO_OBJECT_SETREF (number, numberGroupSizes, create_group_sizes_array (nfe->number_group_sizes,
 221                         GROUP_SIZE));
 222         number->numberNegativePattern = nfe->number_negative_pattern;
 223         number->percentDecimalDigits = nfe->percent_decimal_digits;
 224         MONO_OBJECT_SETREF (number, percentDecimalSeparator, mono_string_new (domain,
 225                         idx2string (nfe->percent_decimal_separator)));
 226         MONO_OBJECT_SETREF (number, percentGroupSeparator, mono_string_new (domain,
 227                         idx2string (nfe->percent_group_separator)));
 228         MONO_OBJECT_SETREF (number, percentGroupSizes, create_group_sizes_array (nfe->percent_group_sizes,
 229                         GROUP_SIZE));
 230         number->percentNegativePattern = nfe->percent_negative_pattern;
 231         number->percentPositivePattern = nfe->percent_positive_pattern;
 232         MONO_OBJECT_SETREF (number, percentSymbol, mono_string_new (domain, idx2string (nfe->percent_symbol)));
 233         MONO_OBJECT_SETREF (number, perMilleSymbol, mono_string_new (domain, idx2string (nfe->per_mille_symbol)));
 234         MONO_OBJECT_SETREF (number, positiveInfinitySymbol, mono_string_new (domain,
 235                         idx2string (nfe->positive_infinity_symbol)));
 236         MONO_OBJECT_SETREF (number, positiveSign, mono_string_new (domain, idx2string (nfe->positive_sign)));
 237 }
 238
 239 static MonoBoolean
 240 construct_culture (MonoCultureInfo *this, const CultureInfoEntry *ci)
 241 {
 242         MonoDomain *domain = mono_domain_get ();
 243
 244         this->lcid = ci->lcid;
 245         MONO_OBJECT_SETREF (this, name, mono_string_new (domain, idx2string (ci->name)));
 246         MONO_OBJECT_SETREF (this, icu_name, mono_string_new (domain, idx2string (ci->icu_name)));
 247         MONO_OBJECT_SETREF (this, displayname, mono_string_new (domain, idx2string (ci->displayname)));
 248         MONO_OBJECT_SETREF (this, englishname, mono_string_new (domain, idx2string (ci->englishname)));
 249         MONO_OBJECT_SETREF (this, nativename, mono_string_new (domain, idx2string (ci->nativename)));
 250         MONO_OBJECT_SETREF (this, win3lang, mono_string_new (domain, idx2string (ci->win3lang)));
 251         MONO_OBJECT_SETREF (this, iso3lang, mono_string_new (domain, idx2string (ci->iso3lang)));
 252         MONO_OBJECT_SETREF (this, iso2lang, mono_string_new (domain, idx2string (ci->iso2lang)));
 253         this->parent_lcid = ci->parent_lcid;
 254         this->specific_lcid = ci->specific_lcid;
 255         this->datetime_index = ci->datetime_format_index;
 256         this->number_index = ci->number_format_index;
 257         this->calendar_data = ci->calendar_data;
 258         this->text_info_data = &ci->text_info;
 259
 260         return TRUE;
 261 }
 262
 263 static MonoBoolean
 264 construct_region (MonoRegionInfo *this, const RegionInfoEntry *ri)
 265 {
 266         MonoDomain *domain = mono_domain_get ();
 267
 268         this->region_id = ri->region_id;
 269         MONO_OBJECT_SETREF (this, iso2name, mono_string_new (domain, idx2string (ri->iso2name)));
 270         MONO_OBJECT_SETREF (this, iso3name, mono_string_new (domain, idx2string (ri->iso3name)));
 271         MONO_OBJECT_SETREF (this, win3name, mono_string_new (domain, idx2string (ri->win3name)));
 272         MONO_OBJECT_SETREF (this, english_name, mono_string_new (domain, idx2string (ri->english_name)));
 273         MONO_OBJECT_SETREF (this, currency_symbol, mono_string_new (domain, idx2string (ri->currency_symbol)));
 274         MONO_OBJECT_SETREF (this, iso_currency_symbol, mono_string_new (domain, idx2string (ri->iso_currency_symbol)));
 275         MONO_OBJECT_SETREF (this, currency_english_name, mono_string_new (domain, idx2string (ri->currency_english_name)));
 276
 277         return TRUE;
 278 }
 279
 280 static gboolean
 281 construct_culture_from_specific_name (MonoCultureInfo *ci, gchar *name)
 282 {
 283         const CultureInfoEntry *entry;
 284         const CultureInfoNameEntry *ne;
 285
 286         MONO_ARCH_SAVE_REGS;
 287
 288         ne = bsearch (name, culture_name_entries, NUM_CULTURE_ENTRIES,
 289                         sizeof (CultureInfoNameEntry), culture_name_locator);
 290
 291         if (ne == NULL)
 292                 return FALSE;
 293
 294         entry = &culture_entries [ne->culture_entry_index];
 295
 296         /* try avoiding another lookup, often the culture is its own specific culture */
 297         if (entry->lcid != entry->specific_lcid)
 298                 entry = culture_info_entry_from_lcid (entry->specific_lcid);
 299
 300         return construct_culture (ci, entry);
 301 }
 302
 303 static gboolean
 304 construct_region_from_specific_name (MonoRegionInfo *ri, gchar *name)
 305 {
 306         const RegionInfoEntry *entry;
 307         const RegionInfoNameEntry *ne;
 308
 309         MONO_ARCH_SAVE_REGS;
 310
 311         ne = bsearch (name, region_name_entries, NUM_REGION_ENTRIES,
 312                         sizeof (RegionInfoNameEntry), region_name_locator);
 313
 314         if (ne == NULL)
 315                 return FALSE;
 316
 317         entry = &region_entries [ne->region_entry_index];
 318
 319         return construct_region (ri, entry);
 320 }
 321
 322 static const CultureInfoEntry*
 323 culture_info_entry_from_lcid (int lcid)
 324 {
 325         const CultureInfoEntry *ci;
 326         CultureInfoEntry key;
 327
 328         key.lcid = lcid;
 329         ci = bsearch (&key, culture_entries, NUM_CULTURE_ENTRIES, sizeof (CultureInfoEntry), culture_lcid_locator);
 330
 331         return ci;
 332 }
 333
 334 static const RegionInfoEntry*
 335 region_info_entry_from_lcid (int lcid)
 336 {
 337         const RegionInfoEntry *entry;
 338         const CultureInfoEntry *ne;
 339
 340         MONO_ARCH_SAVE_REGS;
 341
 342         ne = bsearch (&lcid, culture_entries, NUM_CULTURE_ENTRIES,
 343                         sizeof (CultureInfoEntry), region_lcid_locator);
 344
 345         if (ne == NULL)
 346                 return FALSE;
 347
 348         entry = &region_entries [ne->region_entry_index];
 349
 350         return entry;
 351 }
 352
 353 /*
 354  * The following two methods are modified from the ICU source code. (http://oss.software.ibm.com/icu)
 355  * Copyright (c) 1995-2003 International Business Machines Corporation and others
 356  * All rights reserved.
 357  */
 358 static gchar*
 359 get_posix_locale (void)
 360 {
 361         const gchar* posix_locale = NULL;
 362
 363         posix_locale = g_getenv("LC_ALL");
 364         if (posix_locale == 0) {
 365                 posix_locale = g_getenv("LANG");
 366                 if (posix_locale == 0) {
 367                         posix_locale = setlocale(LC_ALL, NULL);
 368                 }
 369         }
 370
 371         if (posix_locale == NULL)
 372                 return NULL;
 373
 374         if ((strcmp ("C", posix_locale) == 0) || (strchr (posix_locale, ' ') != NULL)
 375                         || (strchr (posix_locale, '/') != NULL)) {
 376                 /*
 377                  * HPUX returns 'C C C C C C C'
 378                  * Solaris can return /en_US/C/C/C/C/C on the second try.
 379                  * Maybe we got some garbage.
 380                  */
 381                 return NULL;
 382         }
 383
 384         return g_strdup (posix_locale);
 385 }
 386
 387 static gchar*
 388 get_current_locale_name (void)
 389 {
 390         gchar *locale;
 391         gchar *corrected = NULL;
 392         const gchar *p;
 393         gchar *c;
 394
 395 #ifdef PLATFORM_WIN32
 396         locale = g_win32_getlocale ();
 397 #else
 398         locale = get_posix_locale ();
 399 #endif
 400
 401         if (locale == NULL)
 402                 return NULL;
 403
 404         if ((p = strchr (locale, '.')) != NULL) {
 405                 /* assume new locale can't be larger than old one? */
 406                 corrected = malloc (strlen (locale));
 407                 strncpy (corrected, locale, p - locale);
 408                 corrected [p - locale] = 0;
 409
 410                 /* do not copy after the @ */
 411                 if ((p = strchr (corrected, '@')) != NULL)
 412                         corrected [p - corrected] = 0;
 413         }
 414
 415         /* Note that we scan the *uncorrected* ID. */
 416         if ((p = strrchr (locale, '@')) != NULL) {
 417
 418                 /*
 419                  * In Mono we dont handle the '@' modifier because we do
 420                  * not have any cultures that use it. We just trim it
 421                  * off of the end of the name.
 422                  */
 423
 424                 if (corrected == NULL) {
 425                         corrected = malloc (strlen (locale));
 426                         strncpy (corrected, locale, p - locale);
 427                         corrected [p - locale] = 0;
 428                 }
 429         }
 430
 431         if (corrected == NULL)
 432                 corrected = locale;
 433         else
 434                 g_free (locale);
 435
 436         if ((c = strchr (corrected, '_')) != NULL)
 437                 *c = '-';
 438
 439         g_strdown (corrected);
 440
 441         return corrected;
 442 }
 443
 444 MonoBoolean
 445 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_current_locale (MonoCultureInfo *ci)
 446 {
 447         gchar *locale;
 448         gboolean ret;
 449
 450         MONO_ARCH_SAVE_REGS;
 451
 452         locale = get_current_locale_name ();
 453         if (locale == NULL)
 454                 return FALSE;
 455
 456         ret = construct_culture_from_specific_name (ci, locale);
 457         g_free (locale);
 458
 459         return ret;
 460 }
 461
 462 MonoBoolean
 463 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_lcid (MonoCultureInfo *this,
 464                 gint lcid)
 465 {
 466         const CultureInfoEntry *ci;
 467
 468         MONO_ARCH_SAVE_REGS;
 469
 470         ci = culture_info_entry_from_lcid (lcid);
 471         if(ci == NULL)
 472                 return FALSE;
 473
 474         return construct_culture (this, ci);
 475 }
 476
 477 MonoBoolean
 478 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_name (MonoCultureInfo *this,
 479                 MonoString *name)
 480 {
 481         const CultureInfoNameEntry *ne;
 482         char *n;
 483
 484         MONO_ARCH_SAVE_REGS;
 485
 486         n = mono_string_to_utf8 (name);
 487         ne = bsearch (n, culture_name_entries, NUM_CULTURE_ENTRIES,
 488                         sizeof (CultureInfoNameEntry), culture_name_locator);
 489
 490         if (ne == NULL) {
 491                 /*g_print ("ne (%s) is null\n", n);*/
 492                 g_free (n);
 493                 return FALSE;
 494         }
 495         g_free (n);
 496
 497         return construct_culture (this, &culture_entries [ne->culture_entry_index]);
 498 }
 499
 500 MonoBoolean
 501 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_specific_name (MonoCultureInfo *ci,
 502                 MonoString *name)
 503 {
 504         gchar *locale;
 505         gboolean ret;
 506
 507         MONO_ARCH_SAVE_REGS;
 508
 509         locale = mono_string_to_utf8 (name);
 510         ret = construct_culture_from_specific_name (ci, locale);
 511         g_free (locale);
 512
 513         return ret;
 514 }
 515
 516 MonoBoolean
 517 ves_icall_System_Globalization_RegionInfo_construct_internal_region_from_lcid (MonoRegionInfo *this,
 518                 gint lcid)
 519 {
 520         const RegionInfoEntry *ri;
 521
 522         MONO_ARCH_SAVE_REGS;
 523
 524         ri = region_info_entry_from_lcid (lcid);
 525         if(ri == NULL)
 526                 return FALSE;
 527
 528         return construct_region (this, ri);
 529 }
 530
 531 MonoBoolean
 532 ves_icall_System_Globalization_RegionInfo_construct_internal_region_from_name (MonoRegionInfo *this,
 533                 MonoString *name)
 534 {
 535         const RegionInfoNameEntry *ne;
 536         char *n;
 537
 538         MONO_ARCH_SAVE_REGS;
 539
 540         n = mono_string_to_utf8 (name);
 541         ne = bsearch (n, region_name_entries, NUM_REGION_ENTRIES,
 542                 sizeof (RegionInfoNameEntry), region_name_locator);
 543
 544         if (ne == NULL) {
 545                 /*g_print ("ne (%s) is null\n", n);*/
 546                 g_free (n);
 547                 return FALSE;
 548         }
 549         g_free (n);
 550
 551         return construct_region (this, &region_entries [ne->region_entry_index]);
 552 }
 553
 554 MonoArray*
 555 ves_icall_System_Globalization_CultureInfo_internal_get_cultures (MonoBoolean neutral,
 556                 MonoBoolean specific, MonoBoolean installed)
 557 {
 558         MonoArray *ret;
 559         MonoClass *class;
 560         MonoCultureInfo *culture;
 561         MonoDomain *domain;
 562         const CultureInfoEntry *ci;
 563         gint i, len;
 564         gboolean is_neutral;
 565
 566         MONO_ARCH_SAVE_REGS;
 567
 568         domain = mono_domain_get ();
 569
 570         len = 0;
 571         for (i = 0; i < NUM_CULTURE_ENTRIES; i++) {
 572                 ci = &culture_entries [i];
 573                 is_neutral = ((ci->lcid & 0xff00) == 0 || ci->specific_lcid == 0);
 574                 if ((neutral && is_neutral) || (specific && !is_neutral))
 575                         len++;
 576         }
 577
 578         class = mono_class_from_name (mono_get_corlib (),
 579                         "System.Globalization", "CultureInfo");
 580
 581         /* The InvariantCulture is not in culture_entries */
 582         /* We reserve the first slot in the array for it */
 583         if (neutral)
 584                 len++;
 585
 586         ret = mono_array_new (domain, class, len);
 587
 588         if (len == 0)
 589                 return ret;
 590
 591         len = 0;
 592         if (neutral)
 593                 mono_array_setref (ret, len++, NULL);
 594
 595         for (i = 0; i < NUM_CULTURE_ENTRIES; i++) {
 596                 ci = &culture_entries [i];
 597                 is_neutral = ((ci->lcid & 0xff00) == 0 || ci->specific_lcid == 0);
 598                 if ((neutral && is_neutral) || (specific && !is_neutral)) {
 599                         culture = (MonoCultureInfo *) mono_object_new (domain, class);
 600                         mono_runtime_object_init ((MonoObject *) culture);
 601                         construct_culture (culture, ci);
 602                         mono_array_setref (ret, len++, culture);
 603                 }
 604         }
 605
 606         return ret;
 607 }
 608
 609 /**
 610  * ves_icall_System_Globalization_CultureInfo_internal_is_lcid_neutral:
 611  *
 612  * Set is_neutral and return TRUE if the culture is found. If it is not found return FALSE.
 613  */
 614 MonoBoolean
 615 ves_icall_System_Globalization_CultureInfo_internal_is_lcid_neutral (gint lcid, MonoBoolean *is_neutral)
 616 {
 617         const CultureInfoEntry *entry;
 618
 619         MONO_ARCH_SAVE_REGS;
 620
 621         entry = culture_info_entry_from_lcid (lcid);
 622
 623         if (entry == NULL)
 624                 return FALSE;
 625
 626         *is_neutral = (entry->specific_lcid == 0);
 627
 628         return TRUE;
 629 }
 630
 631 void ves_icall_System_Globalization_CompareInfo_construct_compareinfo (MonoCompareInfo *comp, MonoString *locale)
 632 {
 633         /* Nothing to do here */
 634 }
 635
 636 int ves_icall_System_Globalization_CompareInfo_internal_compare (MonoCompareInfo *this, MonoString *str1, gint32 off1, gint32 len1, MonoString *str2, gint32 off2, gint32 len2, gint32 options)
 637 {
 638         MONO_ARCH_SAVE_REGS;
 639
 640         /* Do a normal ascii string compare, as we only know the
 641          * invariant locale if we dont have ICU
 642          */
 643         return(string_invariant_compare (str1, off1, len1, str2, off2, len2,
 644                                          options));
 645 }
 646
 647 void ves_icall_System_Globalization_CompareInfo_free_internal_collator (MonoCompareInfo *this)
 648 {
 649         /* Nothing to do here */
 650 }
 651
 652 void ves_icall_System_Globalization_CompareInfo_assign_sortkey (MonoCompareInfo *this, MonoSortKey *key, MonoString *source, gint32 options)
 653 {
 654         MonoArray *arr;
 655         gint32 keylen, i;
 656
 657         MONO_ARCH_SAVE_REGS;
 658
 659         keylen=mono_string_length (source);
 660
 661         arr=mono_array_new (mono_domain_get (), mono_get_byte_class (),
 662                             keylen);
 663         for(i=0; i<keylen; i++) {
 664                 mono_array_set (arr, guint8, i, mono_string_chars (source)[i]);
 665         }
 666
 667         MONO_OBJECT_SETREF (key, key, arr);
 668 }
 669
 670 int ves_icall_System_Globalization_CompareInfo_internal_index (MonoCompareInfo *this, MonoString *source, gint32 sindex, gint32 count, MonoString *value, gint32 options, MonoBoolean first)
 671 {
 672         MONO_ARCH_SAVE_REGS;
 673
 674         return(string_invariant_indexof (source, sindex, count, value, first));
 675 }
 676
 677 int ves_icall_System_Globalization_CompareInfo_internal_index_char (MonoCompareInfo *this, MonoString *source, gint32 sindex, gint32 count, gunichar2 value, gint32 options, MonoBoolean first)
 678 {
 679         MONO_ARCH_SAVE_REGS;
 680
 681         return(string_invariant_indexof_char (source, sindex, count, value,
 682                                               first));
 683 }
 684
 685 int ves_icall_System_Threading_Thread_current_lcid (void)
 686 {
 687         MONO_ARCH_SAVE_REGS;
 688
 689         /* Invariant */
 690         return(0x007F);
 691 }
 692
 693 MonoString *ves_icall_System_String_InternalReplace_Str_Comp (MonoString *this, MonoString *old, MonoString *new, MonoCompareInfo *comp)
 694 {
 695         MONO_ARCH_SAVE_REGS;
 696
 697         /* Do a normal ascii string compare and replace, as we only
 698          * know the invariant locale if we dont have ICU
 699          */
 700         return(string_invariant_replace (this, old, new));
 701 }
 702
 703 static gint32 string_invariant_compare_char (gunichar2 c1, gunichar2 c2,
 704                                              gint32 options)
 705 {
 706         gint32 result;
 707         GUnicodeType c1type, c2type;
 708
 709         /* Ordinal can not be mixed with other options, and must return the difference, not only -1, 0, 1 */
 710         if (options & CompareOptions_Ordinal)
 711                 return (gint32) c1 - c2;
 712
 713         c1type = g_unichar_type (c1);
 714         c2type = g_unichar_type (c2);
 715
 716         if (options & CompareOptions_IgnoreCase) {
 717                 result = (gint32) (c1type != G_UNICODE_LOWERCASE_LETTER ? g_unichar_tolower(c1) : c1) -
 718                         (c2type != G_UNICODE_LOWERCASE_LETTER ? g_unichar_tolower(c2) : c2);
 719         } else {
 720                 /*
 721                  * No options. Kana, symbol and spacing options don't
 722                  * apply to the invariant culture.
 723                  */
 724
 725                 /*
 726                  * FIXME: here we must use the information from c1type and c2type
 727                  * to find out the proper collation, even on the InvariantCulture, the
 728                  * sorting is not done by computing the unicode values, but their
 729                  * actual sort order.
 730                  */
 731                 result = (gint32) c1 - c2;
 732         }
 733
 734         return ((result < 0) ? -1 : (result > 0) ? 1 : 0);
 735 }
 736
 737 static gint32 string_invariant_compare (MonoString *str1, gint32 off1,
 738                                         gint32 len1, MonoString *str2,
 739                                         gint32 off2, gint32 len2,
 740                                         gint32 options)
 741 {
 742         /* c translation of C# code from old string.cs.. :) */
 743         gint32 length;
 744         gint32 charcmp;
 745         gunichar2 *ustr1;
 746         gunichar2 *ustr2;
 747         gint32 pos;
 748
 749         if(len1 >= len2) {
 750                 length=len1;
 751         } else {
 752                 length=len2;
 753         }
 754
 755         ustr1 = mono_string_chars(str1)+off1;
 756         ustr2 = mono_string_chars(str2)+off2;
 757
 758         pos = 0;
 759
 760         for (pos = 0; pos != length; pos++) {
 761                 if (pos >= len1 || pos >= len2)
 762                         break;
 763
 764                 charcmp = string_invariant_compare_char(ustr1[pos], ustr2[pos],
 765                                                         options);
 766                 if (charcmp != 0) {
 767                         return(charcmp);
 768                 }
 769         }
 770
 771         /* the lesser wins, so if we have looped until length we just
 772          * need to check the last char
 773          */
 774         if (pos == length) {
 775                 return(string_invariant_compare_char(ustr1[pos - 1],
 776                                                      ustr2[pos - 1], options));
 777         }
 778
 779         /* Test if one of the strings has been compared to the end */
 780         if (pos >= len1) {
 781                 if (pos >= len2) {
 782                         return(0);
 783                 } else {
 784                         return(-1);
 785                 }
 786         } else if (pos >= len2) {
 787                 return(1);
 788         }
 789
 790         /* if not, check our last char only.. (can this happen?) */
 791         return(string_invariant_compare_char(ustr1[pos], ustr2[pos], options));
 792 }
 793
 794 static MonoString *string_invariant_replace (MonoString *me,
 795                                              MonoString *oldValue,
 796                                              MonoString *newValue)
 797 {
 798         MonoString *ret;
 799         gunichar2 *src;
 800         gunichar2 *dest=NULL; /* shut gcc up */
 801         gunichar2 *oldstr;
 802         gunichar2 *newstr=NULL; /* shut gcc up here too */
 803         gint32 i, destpos;
 804         gint32 occurr;
 805         gint32 newsize;
 806         gint32 oldstrlen;
 807         gint32 newstrlen;
 808         gint32 srclen;
 809
 810         occurr = 0;
 811         destpos = 0;
 812
 813         oldstr = mono_string_chars(oldValue);
 814         oldstrlen = mono_string_length(oldValue);
 815
 816         if (NULL != newValue) {
 817                 newstr = mono_string_chars(newValue);
 818                 newstrlen = mono_string_length(newValue);
 819         } else
 820                 newstrlen = 0;
 821
 822         src = mono_string_chars(me);
 823         srclen = mono_string_length(me);
 824
 825         if (oldstrlen != newstrlen) {
 826                 i = 0;
 827                 while (i <= srclen - oldstrlen) {
 828                         if (0 == memcmp(src + i, oldstr, oldstrlen * sizeof(gunichar2))) {
 829                                 occurr++;
 830                                 i += oldstrlen;
 831                         }
 832                         else
 833                                 i ++;
 834                 }
 835                 if (occurr == 0)
 836                         return me;
 837                 newsize = srclen + ((newstrlen - oldstrlen) * occurr);
 838         } else
 839                 newsize = srclen;
 840
 841         ret = NULL;
 842         i = 0;
 843         while (i < srclen) {
 844                 if (0 == memcmp(src + i, oldstr, oldstrlen * sizeof(gunichar2))) {
 845                         if (ret == NULL) {
 846                                 ret = mono_string_new_size( mono_domain_get (), newsize);
 847                                 dest = mono_string_chars(ret);
 848                                 memcpy (dest, src, i * sizeof(gunichar2));
 849                         }
 850                         if (newstrlen > 0) {
 851                                 memcpy(dest + destpos, newstr, newstrlen * sizeof(gunichar2));
 852                                 destpos += newstrlen;
 853                         }
 854                         i += oldstrlen;
 855                         continue;
 856                 } else if (ret != NULL) {
 857                         dest[destpos] = src[i];
 858                 }
 859                 destpos++;
 860                 i++;
 861         }
 862
 863         if (ret == NULL)
 864                 return me;
 865
 866         return ret;
 867 }
 868
 869 static gint32 string_invariant_indexof (MonoString *source, gint32 sindex,
 870                                         gint32 count, MonoString *value,
 871                                         MonoBoolean first)
 872 {
 873         gint32 lencmpstr;
 874         gunichar2 *src;
 875         gunichar2 *cmpstr;
 876         gint32 pos,i;
 877
 878         lencmpstr = mono_string_length(value);
 879
 880         src = mono_string_chars(source);
 881         cmpstr = mono_string_chars(value);
 882
 883         if(first) {
 884                 count -= lencmpstr;
 885                 for(pos=sindex;pos <= sindex+count;pos++) {
 886                         for(i=0;src[pos+i]==cmpstr[i];) {
 887                                 if(++i==lencmpstr) {
 888                                         return(pos);
 889                                 }
 890                         }
 891                 }
 892
 893                 return(-1);
 894         } else {
 895                 for(pos=sindex-lencmpstr+1;pos>sindex-count;pos--) {
 896                         if(memcmp (src+pos, cmpstr,
 897                                    lencmpstr*sizeof(gunichar2))==0) {
 898                                 return(pos);
 899                         }
 900                 }
 901
 902                 return(-1);
 903         }
 904 }
 905
 906 static gint32 string_invariant_indexof_char (MonoString *source, gint32 sindex,
 907                                              gint32 count, gunichar2 value,
 908                                              MonoBoolean first)
 909 {
 910         gint32 pos;
 911         gunichar2 *src;
 912
 913         src = mono_string_chars(source);
 914         if(first) {
 915                 for (pos = sindex; pos != count + sindex; pos++) {
 916                         if (src [pos] == value) {
 917                                 return(pos);
 918                         }
 919                 }
 920
 921                 return(-1);
 922         } else {
 923                 for (pos = sindex; pos > sindex - count; pos--) {
 924                         if (src [pos] == value)
 925                                 return(pos);
 926                 }
 927
 928                 return(-1);
 929         }
 930 }
 931
 932 void load_normalization_resource (guint8 **argProps,
 933                                   guint8 **argMappedChars,
 934                                   guint8 **argCharMapIndex,
 935                                   guint8 **argHelperIndex,
 936                                   guint8 **argMapIdxToComposite,
 937                                   guint8 **argCombiningClass)
 938 {
 939         *argProps = props;
 940         *argMappedChars = (guint8*) mappedChars;
 941         *argCharMapIndex = (guint8*) charMapIndex;
 942         *argHelperIndex = (guint8*) helperIndex;
 943         *argMapIdxToComposite = (guint8*) mapIdxToComposite;
 944         *argCombiningClass = combiningClass;
 945 }
 946
 947