mono/metadata/locales.c

   1 /*
   2  * locales.c: Culture-sensitive handling
   3  *
   4  * Authors:
   5  *      Dick Porter (dick@ximian.com)
   6  *      Mohammad DAMT (mdamt@cdl2000.com)
   7  *      Marek Safar (marek.safar@gmail.com)
   8  *
   9  * Copyright 2003 Ximian, Inc (http://www.ximian.com)
  10  * Copyright 2004-2009 Novell, Inc (http://www.novell.com)
  11  * (C) 2003 PT Cakram Datalingga Duaribu  http://www.cdl2000.com
  12  * Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
  13  */
  14
  15 #include <config.h>
  16 #include <glib.h>
  17 #include <string.h>
  18
  19 #include <mono/metadata/debug-helpers.h>
  20 #include <mono/metadata/object.h>
  21 #include <mono/metadata/appdomain.h>
  22 #include <mono/metadata/exception.h>
  23 #include <mono/metadata/monitor.h>
  24 #include <mono/metadata/locales.h>
  25 #include <mono/metadata/culture-info.h>
  26 #include <mono/metadata/culture-info-tables.h>
  27 #include <mono/utils/bsearch.h>
  28
  29 #ifndef DISABLE_NORMALIZATION
  30 #include <mono/metadata/normalization-tables.h>
  31 #endif
  32
  33 #include <locale.h>
  34 #if defined(__APPLE__)
  35 #include <CoreFoundation/CoreFoundation.h>
  36 #endif
  37
  38 #undef DEBUG
  39
  40 static gint32 string_invariant_compare_char (gunichar2 c1, gunichar2 c2,
  41                                              gint32 options);
  42 static gint32 string_invariant_compare (MonoString *str1, gint32 off1,
  43                                         gint32 len1, MonoString *str2,
  44                                         gint32 off2, gint32 len2,
  45                                         gint32 options);
  46 static MonoString *string_invariant_replace (MonoString *me,
  47                                              MonoString *oldValue,
  48                                              MonoString *newValue);
  49 static gint32 string_invariant_indexof (MonoString *source, gint32 sindex,
  50                                         gint32 count, MonoString *value,
  51                                         MonoBoolean first);
  52 static gint32 string_invariant_indexof_char (MonoString *source, gint32 sindex,
  53                                              gint32 count, gunichar2 value,
  54                                              MonoBoolean first);
  55
  56 static const CultureInfoEntry* culture_info_entry_from_lcid (int lcid);
  57
  58 static const RegionInfoEntry* region_info_entry_from_lcid (int lcid);
  59
  60 static int
  61 culture_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_cached (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;
 120
 121         if (names == NULL)
 122                 return NULL;
 123
 124         domain = mono_domain_get ();
 125
 126         ret = mono_array_new_cached (mono_domain_get (), mono_get_string_class (), ml);
 127
 128         for(i = 0; i < ml; i++)
 129                 mono_array_setref (ret, i, mono_string_new (domain, idx2string (names [i])));
 130
 131         return ret;
 132 }
 133
 134 static MonoArray*
 135 create_names_array_idx_dynamic (const guint16 *names, int ml)
 136 {
 137         MonoArray *ret;
 138         MonoDomain *domain;
 139         int i, len = 0;
 140
 141         if (names == NULL)
 142                 return NULL;
 143
 144         domain = mono_domain_get ();
 145
 146         for (i = 0; i < ml; i++) {
 147                 if (names [i] == 0)
 148                         break;
 149                 len++;
 150         }
 151
 152         ret = mono_array_new_cached (mono_domain_get (), mono_get_string_class (), len);
 153
 154         for(i = 0; i < len; i++)
 155                 mono_array_setref (ret, i, mono_string_new (domain, idx2string (names [i])));
 156
 157         return ret;
 158 }
 159
 160 void
 161 ves_icall_System_Globalization_CultureInfo_construct_datetime_format (MonoCultureInfo *this)
 162 {
 163         MonoDomain *domain;
 164         MonoDateTimeFormatInfo *datetime;
 165         const DateTimeFormatEntry *dfe;
 166
 167         MONO_ARCH_SAVE_REGS;
 168
 169         g_assert (this->datetime_index >= 0);
 170
 171         datetime = this->datetime_format;
 172         dfe = &datetime_format_entries [this->datetime_index];
 173
 174         domain = mono_domain_get ();
 175
 176         datetime->readOnly = this->is_read_only;
 177         MONO_OBJECT_SETREF (datetime, AbbreviatedDayNames, create_names_array_idx (dfe->abbreviated_day_names,
 178                         NUM_DAYS));
 179         MONO_OBJECT_SETREF (datetime, AbbreviatedMonthNames, create_names_array_idx (dfe->abbreviated_month_names,
 180                         NUM_MONTHS));
 181         MONO_OBJECT_SETREF (datetime, AMDesignator, mono_string_new (domain, idx2string (dfe->am_designator)));
 182         datetime->CalendarWeekRule = dfe->calendar_week_rule;
 183         MONO_OBJECT_SETREF (datetime, DateSeparator, mono_string_new (domain, idx2string (dfe->date_separator)));
 184         MONO_OBJECT_SETREF (datetime, DayNames, create_names_array_idx (dfe->day_names, NUM_DAYS));
 185         MONO_OBJECT_SETREF (datetime, ShortestDayNames, create_names_array_idx (dfe->shortest_day_names, NUM_DAYS));
 186         datetime->FirstDayOfWeek = dfe->first_day_of_week;
 187         MONO_OBJECT_SETREF (datetime, LongDatePattern, mono_string_new (domain, idx2string (dfe->long_date_pattern)));
 188         MONO_OBJECT_SETREF (datetime, LongTimePattern, mono_string_new (domain, idx2string (dfe->long_time_pattern)));
 189         MONO_OBJECT_SETREF (datetime, MonthDayPattern, mono_string_new (domain, idx2string (dfe->month_day_pattern)));
 190         MONO_OBJECT_SETREF (datetime, MonthNames, create_names_array_idx (dfe->month_names, NUM_MONTHS));
 191         MONO_OBJECT_SETREF (datetime, PMDesignator, mono_string_new (domain, idx2string (dfe->pm_designator)));
 192         MONO_OBJECT_SETREF (datetime, ShortDatePattern, mono_string_new (domain, idx2string (dfe->short_date_pattern)));
 193         MONO_OBJECT_SETREF (datetime, ShortTimePattern, mono_string_new (domain, idx2string (dfe->short_time_pattern)));
 194         MONO_OBJECT_SETREF (datetime, TimeSeparator, mono_string_new (domain, idx2string (dfe->time_separator)));
 195         MONO_OBJECT_SETREF (datetime, YearMonthPattern, mono_string_new (domain, idx2string (dfe->year_month_pattern)));
 196         MONO_OBJECT_SETREF (datetime, ShortDatePatterns, create_names_array_idx_dynamic (dfe->short_date_patterns,
 197                         NUM_SHORT_DATE_PATTERNS));
 198         MONO_OBJECT_SETREF (datetime, LongDatePatterns, create_names_array_idx_dynamic (dfe->long_date_patterns,
 199                         NUM_LONG_DATE_PATTERNS));
 200         MONO_OBJECT_SETREF (datetime, ShortTimePatterns, create_names_array_idx_dynamic (dfe->short_time_patterns,
 201                         NUM_SHORT_TIME_PATTERNS));
 202         MONO_OBJECT_SETREF (datetime, LongTimePatterns, create_names_array_idx_dynamic (dfe->long_time_patterns,
 203                         NUM_LONG_TIME_PATTERNS));
 204         MONO_OBJECT_SETREF (datetime, GenitiveMonthNames, create_names_array_idx (dfe->month_genitive_names, NUM_MONTHS));
 205         MONO_OBJECT_SETREF (datetime, GenitiveAbbreviatedMonthNames, create_names_array_idx (dfe->abbreviated_month_genitive_names, NUM_MONTHS));
 206 }
 207
 208 void
 209 ves_icall_System_Globalization_CultureInfo_construct_number_format (MonoCultureInfo *this)
 210 {
 211         MonoDomain *domain;
 212         MonoNumberFormatInfo *number;
 213         const NumberFormatEntry *nfe;
 214
 215         MONO_ARCH_SAVE_REGS;
 216
 217         g_assert (this->number_format != 0);
 218         if (this->number_index < 0)
 219                 return;
 220
 221         number = this->number_format;
 222         nfe = &number_format_entries [this->number_index];
 223
 224         domain = mono_domain_get ();
 225
 226         number->readOnly = this->is_read_only;
 227         number->currencyDecimalDigits = nfe->currency_decimal_digits;
 228         MONO_OBJECT_SETREF (number, currencyDecimalSeparator, mono_string_new (domain,
 229                         idx2string (nfe->currency_decimal_separator)));
 230         MONO_OBJECT_SETREF (number, currencyGroupSeparator, mono_string_new (domain,
 231                         idx2string (nfe->currency_group_separator)));
 232         MONO_OBJECT_SETREF (number, currencyGroupSizes, create_group_sizes_array (nfe->currency_group_sizes,
 233                         GROUP_SIZE));
 234         number->currencyNegativePattern = nfe->currency_negative_pattern;
 235         number->currencyPositivePattern = nfe->currency_positive_pattern;
 236         MONO_OBJECT_SETREF (number, currencySymbol, mono_string_new (domain, idx2string (nfe->currency_symbol)));
 237         MONO_OBJECT_SETREF (number, naNSymbol, mono_string_new (domain, idx2string (nfe->nan_symbol)));
 238         MONO_OBJECT_SETREF (number, negativeInfinitySymbol, mono_string_new (domain,
 239                         idx2string (nfe->negative_infinity_symbol)));
 240         MONO_OBJECT_SETREF (number, negativeSign, mono_string_new (domain, idx2string (nfe->negative_sign)));
 241         number->numberDecimalDigits = nfe->number_decimal_digits;
 242         MONO_OBJECT_SETREF (number, numberDecimalSeparator, mono_string_new (domain,
 243                         idx2string (nfe->number_decimal_separator)));
 244         MONO_OBJECT_SETREF (number, numberGroupSeparator, mono_string_new (domain, idx2string (nfe->number_group_separator)));
 245         MONO_OBJECT_SETREF (number, numberGroupSizes, create_group_sizes_array (nfe->number_group_sizes,
 246                         GROUP_SIZE));
 247         number->numberNegativePattern = nfe->number_negative_pattern;
 248         number->percentDecimalDigits = nfe->percent_decimal_digits;
 249         MONO_OBJECT_SETREF (number, percentDecimalSeparator, mono_string_new (domain,
 250                         idx2string (nfe->percent_decimal_separator)));
 251         MONO_OBJECT_SETREF (number, percentGroupSeparator, mono_string_new (domain,
 252                         idx2string (nfe->percent_group_separator)));
 253         MONO_OBJECT_SETREF (number, percentGroupSizes, create_group_sizes_array (nfe->percent_group_sizes,
 254                         GROUP_SIZE));
 255         number->percentNegativePattern = nfe->percent_negative_pattern;
 256         number->percentPositivePattern = nfe->percent_positive_pattern;
 257         MONO_OBJECT_SETREF (number, percentSymbol, mono_string_new (domain, idx2string (nfe->percent_symbol)));
 258         MONO_OBJECT_SETREF (number, perMilleSymbol, mono_string_new (domain, idx2string (nfe->per_mille_symbol)));
 259         MONO_OBJECT_SETREF (number, positiveInfinitySymbol, mono_string_new (domain,
 260                         idx2string (nfe->positive_infinity_symbol)));
 261         MONO_OBJECT_SETREF (number, positiveSign, mono_string_new (domain, idx2string (nfe->positive_sign)));
 262 }
 263
 264 static MonoBoolean
 265 construct_culture (MonoCultureInfo *this, const CultureInfoEntry *ci)
 266 {
 267         MonoDomain *domain = mono_domain_get ();
 268
 269         this->lcid = ci->lcid;
 270         MONO_OBJECT_SETREF (this, name, mono_string_new (domain, idx2string (ci->name)));
 271         MONO_OBJECT_SETREF (this, englishname, mono_string_new (domain, idx2string (ci->englishname)));
 272         MONO_OBJECT_SETREF (this, nativename, mono_string_new (domain, idx2string (ci->nativename)));
 273         MONO_OBJECT_SETREF (this, win3lang, mono_string_new (domain, idx2string (ci->win3lang)));
 274         MONO_OBJECT_SETREF (this, iso3lang, mono_string_new (domain, idx2string (ci->iso3lang)));
 275         MONO_OBJECT_SETREF (this, iso2lang, mono_string_new (domain, idx2string (ci->iso2lang)));
 276
 277         // It's null for neutral cultures
 278         if (ci->territory > 0)
 279                 MONO_OBJECT_SETREF (this, territory, mono_string_new (domain, idx2string (ci->territory)));
 280         MONO_OBJECT_SETREF (this, native_calendar_names, create_names_array_idx (ci->native_calendar_names, NUM_CALENDARS));
 281         this->parent_lcid = ci->parent_lcid;
 282         this->datetime_index = ci->datetime_format_index;
 283         this->number_index = ci->number_format_index;
 284         this->calendar_type = ci->calendar_type;
 285         this->text_info_data = &ci->text_info;
 286
 287         return TRUE;
 288 }
 289
 290 static MonoBoolean
 291 construct_region (MonoRegionInfo *this, const RegionInfoEntry *ri)
 292 {
 293         MonoDomain *domain = mono_domain_get ();
 294
 295         this->geo_id = ri->geo_id;
 296         MONO_OBJECT_SETREF (this, iso2name, mono_string_new (domain, idx2string (ri->iso2name)));
 297         MONO_OBJECT_SETREF (this, iso3name, mono_string_new (domain, idx2string (ri->iso3name)));
 298         MONO_OBJECT_SETREF (this, win3name, mono_string_new (domain, idx2string (ri->win3name)));
 299         MONO_OBJECT_SETREF (this, english_name, mono_string_new (domain, idx2string (ri->english_name)));
 300         MONO_OBJECT_SETREF (this, native_name, mono_string_new (domain, idx2string (ri->native_name)));
 301         MONO_OBJECT_SETREF (this, currency_symbol, mono_string_new (domain, idx2string (ri->currency_symbol)));
 302         MONO_OBJECT_SETREF (this, iso_currency_symbol, mono_string_new (domain, idx2string (ri->iso_currency_symbol)));
 303         MONO_OBJECT_SETREF (this, currency_english_name, mono_string_new (domain, idx2string (ri->currency_english_name)));
 304         MONO_OBJECT_SETREF (this, currency_native_name, mono_string_new (domain, idx2string (ri->currency_native_name)));
 305
 306         return TRUE;
 307 }
 308
 309 static gboolean
 310 construct_culture_from_specific_name (MonoCultureInfo *ci, gchar *name)
 311 {
 312         const CultureInfoEntry *entry;
 313         const CultureInfoNameEntry *ne;
 314
 315         MONO_ARCH_SAVE_REGS;
 316
 317         ne = mono_binary_search (name, culture_name_entries, NUM_CULTURE_ENTRIES,
 318                         sizeof (CultureInfoNameEntry), culture_name_locator);
 319
 320         if (ne == NULL)
 321                 return FALSE;
 322
 323         entry = &culture_entries [ne->culture_entry_index];
 324
 325         if (entry)
 326                 return construct_culture (ci, entry);
 327         else
 328                 return FALSE;
 329 }
 330
 331 static const CultureInfoEntry*
 332 culture_info_entry_from_lcid (int lcid)
 333 {
 334         const CultureInfoEntry *ci;
 335
 336         ci = mono_binary_search (&lcid, culture_entries, NUM_CULTURE_ENTRIES, sizeof (CultureInfoEntry), culture_lcid_locator);
 337
 338         return ci;
 339 }
 340
 341 static const RegionInfoEntry*
 342 region_info_entry_from_lcid (int lcid)
 343 {
 344         const RegionInfoEntry *entry;
 345         const CultureInfoEntry *ne;
 346
 347         MONO_ARCH_SAVE_REGS;
 348
 349         ne = mono_binary_search (&lcid, culture_entries, NUM_CULTURE_ENTRIES, sizeof (CultureInfoEntry), culture_lcid_locator);
 350
 351         if (ne == NULL)
 352                 return FALSE;
 353
 354         entry = &region_entries [ne->region_entry_index];
 355
 356         return entry;
 357 }
 358
 359 #if defined (__APPLE__)
 360 static gchar*
 361 get_darwin_locale (void)
 362 {
 363         static gchar *darwin_locale = NULL;
 364         CFLocaleRef locale = NULL;
 365         CFStringRef locale_cfstr = NULL;
 366         CFIndex len;
 367         int i;
 368
 369         if (darwin_locale != NULL)
 370                 return g_strdup (darwin_locale);
 371
 372         locale = CFLocaleCopyCurrent ();
 373
 374         if (locale) {
 375                 locale_cfstr = CFLocaleGetIdentifier (locale);
 376
 377                 if (locale_cfstr) {
 378                         len = CFStringGetMaximumSizeForEncoding (CFStringGetLength (locale_cfstr), kCFStringEncodingMacRoman) + 1;
 379                         darwin_locale = (char *) malloc (len);
 380                         if (!CFStringGetCString (locale_cfstr, darwin_locale, len, kCFStringEncodingMacRoman)) {
 381                                 free (darwin_locale);
 382                                 CFRelease (locale);
 383                                 darwin_locale = NULL;
 384                                 return NULL;
 385                         }
 386
 387                         for (i = 0; i < strlen (darwin_locale); i++)
 388                                 if (darwin_locale [i] == '_')
 389                                         darwin_locale [i] = '-';
 390                 }
 391
 392                 CFRelease (locale);
 393         }
 394
 395         return g_strdup (darwin_locale);
 396 }
 397 #endif
 398
 399 static char *
 400 get_posix_locale (void)
 401 {
 402         const char *locale;
 403
 404         locale = g_getenv ("LC_ALL");
 405         if (locale == NULL) {
 406                 locale = g_getenv ("LANG");
 407                 if (locale == NULL)
 408                         locale = setlocale (LC_ALL, NULL);
 409         }
 410         if (locale == NULL)
 411                 return NULL;
 412
 413         /* Skip English-only locale 'C' */
 414         if (strcmp (locale, "C") == 0)
 415                 return NULL;
 416
 417         return g_strdup (locale);
 418 }
 419
 420
 421 static gchar *
 422 get_current_locale_name (void)
 423 {
 424         char *locale;
 425         char *p, *ret;
 426
 427 #ifdef HOST_WIN32
 428         locale = g_win32_getlocale ();
 429 #elif defined (__APPLE__)
 430         locale = get_darwin_locale ();
 431         if (!locale)
 432                 locale = get_posix_locale ();
 433 #else
 434         locale = get_posix_locale ();
 435 #endif
 436
 437         if (locale == NULL)
 438                 return NULL;
 439
 440         p = strchr (locale, '.');
 441         if (p != NULL)
 442                 *p = 0;
 443         p = strchr (locale, '@');
 444         if (p != NULL)
 445                 *p = 0;
 446
 447         ret = g_ascii_strdown (locale, -1);
 448         g_free (locale);
 449
 450         return ret;
 451 }
 452
 453 MonoBoolean
 454 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_current_locale (MonoCultureInfo *ci)
 455 {
 456         gchar *locale;
 457         gboolean ret;
 458
 459         MONO_ARCH_SAVE_REGS;
 460
 461         locale = get_current_locale_name ();
 462         if (locale == NULL)
 463                 return FALSE;
 464
 465         ret = construct_culture_from_specific_name (ci, locale);
 466         g_free (locale);
 467         ci->is_read_only = TRUE;
 468         ci->use_user_override = TRUE;
 469
 470         return ret;
 471 }
 472
 473 MonoBoolean
 474 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_lcid (MonoCultureInfo *this,
 475                 gint lcid)
 476 {
 477         const CultureInfoEntry *ci;
 478
 479         MONO_ARCH_SAVE_REGS;
 480
 481         ci = culture_info_entry_from_lcid (lcid);
 482         if(ci == NULL)
 483                 return FALSE;
 484
 485         return construct_culture (this, ci);
 486 }
 487
 488 MonoBoolean
 489 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_name (MonoCultureInfo *this,
 490                 MonoString *name)
 491 {
 492         const CultureInfoNameEntry *ne;
 493         char *n;
 494
 495         MONO_ARCH_SAVE_REGS;
 496
 497         n = mono_string_to_utf8 (name);
 498         ne = mono_binary_search (n, culture_name_entries, NUM_CULTURE_ENTRIES,
 499                         sizeof (CultureInfoNameEntry), culture_name_locator);
 500
 501         if (ne == NULL) {
 502                 /*g_print ("ne (%s) is null\n", n);*/
 503                 g_free (n);
 504                 return FALSE;
 505         }
 506         g_free (n);
 507
 508         return construct_culture (this, &culture_entries [ne->culture_entry_index]);
 509 }
 510
 511 MonoBoolean
 512 ves_icall_System_Globalization_CultureInfo_construct_internal_locale_from_specific_name (MonoCultureInfo *ci,
 513                 MonoString *name)
 514 {
 515         gchar *locale;
 516         gboolean ret;
 517
 518         MONO_ARCH_SAVE_REGS;
 519
 520         locale = mono_string_to_utf8 (name);
 521         ret = construct_culture_from_specific_name (ci, locale);
 522         g_free (locale);
 523
 524         return ret;
 525 }
 526
 527 MonoBoolean
 528 ves_icall_System_Globalization_RegionInfo_construct_internal_region_from_lcid (MonoRegionInfo *this,
 529                 gint lcid)
 530 {
 531         const RegionInfoEntry *ri;
 532
 533         MONO_ARCH_SAVE_REGS;
 534
 535         ri = region_info_entry_from_lcid (lcid);
 536         if(ri == NULL)
 537                 return FALSE;
 538
 539         return construct_region (this, ri);
 540 }
 541
 542 MonoBoolean
 543 ves_icall_System_Globalization_RegionInfo_construct_internal_region_from_name (MonoRegionInfo *this,
 544                 MonoString *name)
 545 {
 546         const RegionInfoNameEntry *ne;
 547         char *n;
 548
 549         MONO_ARCH_SAVE_REGS;
 550
 551         n = mono_string_to_utf8 (name);
 552         ne = mono_binary_search (n, region_name_entries, NUM_REGION_ENTRIES,
 553                 sizeof (RegionInfoNameEntry), region_name_locator);
 554
 555         if (ne == NULL) {
 556                 /*g_print ("ne (%s) is null\n", n);*/
 557                 g_free (n);
 558                 return FALSE;
 559         }
 560         g_free (n);
 561
 562         return construct_region (this, &region_entries [ne->region_entry_index]);
 563 }
 564
 565 MonoArray*
 566 ves_icall_System_Globalization_CultureInfo_internal_get_cultures (MonoBoolean neutral,
 567                 MonoBoolean specific, MonoBoolean installed)
 568 {
 569         MonoArray *ret;
 570         MonoClass *class;
 571         MonoCultureInfo *culture;
 572         MonoDomain *domain;
 573         const CultureInfoEntry *ci;
 574         gint i, len;
 575         gboolean is_neutral;
 576
 577         MONO_ARCH_SAVE_REGS;
 578
 579         domain = mono_domain_get ();
 580
 581         len = 0;
 582         for (i = 0; i < NUM_CULTURE_ENTRIES; i++) {
 583                 ci = &culture_entries [i];
 584                 is_neutral = ci->territory == 0;
 585                 if ((neutral && is_neutral) || (specific && !is_neutral))
 586                         len++;
 587         }
 588
 589         class = mono_class_from_name (mono_get_corlib (),
 590                         "System.Globalization", "CultureInfo");
 591
 592         /* The InvariantCulture is not in culture_entries */
 593         /* We reserve the first slot in the array for it */
 594         if (neutral)
 595                 len++;
 596
 597         ret = mono_array_new (domain, class, len);
 598
 599         if (len == 0)
 600                 return ret;
 601
 602         len = 0;
 603         if (neutral)
 604                 mono_array_setref (ret, len++, NULL);
 605
 606         for (i = 0; i < NUM_CULTURE_ENTRIES; i++) {
 607                 ci = &culture_entries [i];
 608                 is_neutral = ci->territory == 0;
 609                 if ((neutral && is_neutral) || (specific && !is_neutral)) {
 610                         culture = (MonoCultureInfo *) mono_object_new (domain, class);
 611                         mono_runtime_object_init ((MonoObject *) culture);
 612                         construct_culture (culture, ci);
 613                         culture->use_user_override = TRUE;
 614                         mono_array_setref (ret, len++, culture);
 615                 }
 616         }
 617
 618         return ret;
 619 }
 620
 621 void ves_icall_System_Globalization_CompareInfo_construct_compareinfo (MonoCompareInfo *comp, MonoString *locale)
 622 {
 623         /* Nothing to do here */
 624 }
 625
 626 int ves_icall_System_Globalization_CompareInfo_internal_compare (MonoCompareInfo *this, MonoString *str1, gint32 off1, gint32 len1, MonoString *str2, gint32 off2, gint32 len2, gint32 options)
 627 {
 628         MONO_ARCH_SAVE_REGS;
 629
 630         /* Do a normal ascii string compare, as we only know the
 631          * invariant locale if we dont have ICU
 632          */
 633         return(string_invariant_compare (str1, off1, len1, str2, off2, len2,
 634                                          options));
 635 }
 636
 637 void ves_icall_System_Globalization_CompareInfo_free_internal_collator (MonoCompareInfo *this)
 638 {
 639         /* Nothing to do here */
 640 }
 641
 642 void ves_icall_System_Globalization_CompareInfo_assign_sortkey (MonoCompareInfo *this, MonoSortKey *key, MonoString *source, gint32 options)
 643 {
 644         MonoArray *arr;
 645         gint32 keylen, i;
 646
 647         MONO_ARCH_SAVE_REGS;
 648
 649         keylen=mono_string_length (source);
 650
 651         arr=mono_array_new (mono_domain_get (), mono_get_byte_class (),
 652                             keylen);
 653         for(i=0; i<keylen; i++) {
 654                 mono_array_set (arr, guint8, i, mono_string_chars (source)[i]);
 655         }
 656
 657         MONO_OBJECT_SETREF (key, key, arr);
 658 }
 659
 660 int ves_icall_System_Globalization_CompareInfo_internal_index (MonoCompareInfo *this, MonoString *source, gint32 sindex, gint32 count, MonoString *value, gint32 options, MonoBoolean first)
 661 {
 662         MONO_ARCH_SAVE_REGS;
 663
 664         return(string_invariant_indexof (source, sindex, count, value, first));
 665 }
 666
 667 int ves_icall_System_Globalization_CompareInfo_internal_index_char (MonoCompareInfo *this, MonoString *source, gint32 sindex, gint32 count, gunichar2 value, gint32 options, MonoBoolean first)
 668 {
 669         MONO_ARCH_SAVE_REGS;
 670
 671         return(string_invariant_indexof_char (source, sindex, count, value,
 672                                               first));
 673 }
 674
 675 int ves_icall_System_Threading_Thread_current_lcid (void)
 676 {
 677         MONO_ARCH_SAVE_REGS;
 678
 679         /* Invariant */
 680         return(0x007F);
 681 }
 682
 683 MonoString *ves_icall_System_String_InternalReplace_Str_Comp (MonoString *this, MonoString *old, MonoString *new, MonoCompareInfo *comp)
 684 {
 685         MONO_ARCH_SAVE_REGS;
 686
 687         /* Do a normal ascii string compare and replace, as we only
 688          * know the invariant locale if we dont have ICU
 689          */
 690         return(string_invariant_replace (this, old, new));
 691 }
 692
 693 static gint32 string_invariant_compare_char (gunichar2 c1, gunichar2 c2,
 694                                              gint32 options)
 695 {
 696         gint32 result;
 697
 698         /* Ordinal can not be mixed with other options, and must return the difference, not only -1, 0, 1 */
 699         if (options & CompareOptions_Ordinal)
 700                 return (gint32) c1 - c2;
 701
 702         if (options & CompareOptions_IgnoreCase) {
 703                 GUnicodeType c1type, c2type;
 704
 705                 c1type = g_unichar_type (c1);
 706                 c2type = g_unichar_type (c2);
 707
 708                 result = (gint32) (c1type != G_UNICODE_LOWERCASE_LETTER ? g_unichar_tolower(c1) : c1) -
 709                         (c2type != G_UNICODE_LOWERCASE_LETTER ? g_unichar_tolower(c2) : c2);
 710         } else {
 711                 /*
 712                  * No options. Kana, symbol and spacing options don't
 713                  * apply to the invariant culture.
 714                  */
 715
 716                 /*
 717                  * FIXME: here we must use the information from c1type and c2type
 718                  * to find out the proper collation, even on the InvariantCulture, the
 719                  * sorting is not done by computing the unicode values, but their
 720                  * actual sort order.
 721                  */
 722                 result = (gint32) c1 - c2;
 723         }
 724
 725         return ((result < 0) ? -1 : (result > 0) ? 1 : 0);
 726 }
 727
 728 static gint32 string_invariant_compare (MonoString *str1, gint32 off1,
 729                                         gint32 len1, MonoString *str2,
 730                                         gint32 off2, gint32 len2,
 731                                         gint32 options)
 732 {
 733         /* c translation of C# code from old string.cs.. :) */
 734         gint32 length;
 735         gint32 charcmp;
 736         gunichar2 *ustr1;
 737         gunichar2 *ustr2;
 738         gint32 pos;
 739
 740         if(len1 >= len2) {
 741                 length=len1;
 742         } else {
 743                 length=len2;
 744         }
 745
 746         ustr1 = mono_string_chars(str1)+off1;
 747         ustr2 = mono_string_chars(str2)+off2;
 748
 749         pos = 0;
 750
 751         for (pos = 0; pos != length; pos++) {
 752                 if (pos >= len1 || pos >= len2)
 753                         break;
 754
 755                 charcmp = string_invariant_compare_char(ustr1[pos], ustr2[pos],
 756                                                         options);
 757                 if (charcmp != 0) {
 758                         return(charcmp);
 759                 }
 760         }
 761
 762         /* the lesser wins, so if we have looped until length we just
 763          * need to check the last char
 764          */
 765         if (pos == length) {
 766                 return(string_invariant_compare_char(ustr1[pos - 1],
 767                                                      ustr2[pos - 1], options));
 768         }
 769
 770         /* Test if one of the strings has been compared to the end */
 771         if (pos >= len1) {
 772                 if (pos >= len2) {
 773                         return(0);
 774                 } else {
 775                         return(-1);
 776                 }
 777         } else if (pos >= len2) {
 778                 return(1);
 779         }
 780
 781         /* if not, check our last char only.. (can this happen?) */
 782         return(string_invariant_compare_char(ustr1[pos], ustr2[pos], options));
 783 }
 784
 785 static MonoString *string_invariant_replace (MonoString *me,
 786                                              MonoString *oldValue,
 787                                              MonoString *newValue)
 788 {
 789         MonoString *ret;
 790         gunichar2 *src;
 791         gunichar2 *dest=NULL; /* shut gcc up */
 792         gunichar2 *oldstr;
 793         gunichar2 *newstr=NULL; /* shut gcc up here too */
 794         gint32 i, destpos;
 795         gint32 occurr;
 796         gint32 newsize;
 797         gint32 oldstrlen;
 798         gint32 newstrlen;
 799         gint32 srclen;
 800
 801         occurr = 0;
 802         destpos = 0;
 803
 804         oldstr = mono_string_chars(oldValue);
 805         oldstrlen = mono_string_length(oldValue);
 806
 807         if (NULL != newValue) {
 808                 newstr = mono_string_chars(newValue);
 809                 newstrlen = mono_string_length(newValue);
 810         } else
 811                 newstrlen = 0;
 812
 813         src = mono_string_chars(me);
 814         srclen = mono_string_length(me);
 815
 816         if (oldstrlen != newstrlen) {
 817                 i = 0;
 818                 while (i <= srclen - oldstrlen) {
 819                         if (0 == memcmp(src + i, oldstr, oldstrlen * sizeof(gunichar2))) {
 820                                 occurr++;
 821                                 i += oldstrlen;
 822                         }
 823                         else
 824                                 i ++;
 825                 }
 826                 if (occurr == 0)
 827                         return me;
 828                 newsize = srclen + ((newstrlen - oldstrlen) * occurr);
 829         } else
 830                 newsize = srclen;
 831
 832         ret = NULL;
 833         i = 0;
 834         while (i < srclen) {
 835                 if (0 == memcmp(src + i, oldstr, oldstrlen * sizeof(gunichar2))) {
 836                         if (ret == NULL) {
 837                                 ret = mono_string_new_size( mono_domain_get (), newsize);
 838                                 dest = mono_string_chars(ret);
 839                                 memcpy (dest, src, i * sizeof(gunichar2));
 840                         }
 841                         if (newstrlen > 0) {
 842                                 memcpy(dest + destpos, newstr, newstrlen * sizeof(gunichar2));
 843                                 destpos += newstrlen;
 844                         }
 845                         i += oldstrlen;
 846                         continue;
 847                 } else if (ret != NULL) {
 848                         dest[destpos] = src[i];
 849                 }
 850                 destpos++;
 851                 i++;
 852         }
 853
 854         if (ret == NULL)
 855                 return me;
 856
 857         return ret;
 858 }
 859
 860 static gint32 string_invariant_indexof (MonoString *source, gint32 sindex,
 861                                         gint32 count, MonoString *value,
 862                                         MonoBoolean first)
 863 {
 864         gint32 lencmpstr;
 865         gunichar2 *src;
 866         gunichar2 *cmpstr;
 867         gint32 pos,i;
 868
 869         lencmpstr = mono_string_length(value);
 870
 871         src = mono_string_chars(source);
 872         cmpstr = mono_string_chars(value);
 873
 874         if(first) {
 875                 count -= lencmpstr;
 876                 for(pos=sindex;pos <= sindex+count;pos++) {
 877                         for(i=0;src[pos+i]==cmpstr[i];) {
 878                                 if(++i==lencmpstr) {
 879                                         return(pos);
 880                                 }
 881                         }
 882                 }
 883
 884                 return(-1);
 885         } else {
 886                 for(pos=sindex-lencmpstr+1;pos>sindex-count;pos--) {
 887                         if(memcmp (src+pos, cmpstr,
 888                                    lencmpstr*sizeof(gunichar2))==0) {
 889                                 return(pos);
 890                         }
 891                 }
 892
 893                 return(-1);
 894         }
 895 }
 896
 897 static gint32 string_invariant_indexof_char (MonoString *source, gint32 sindex,
 898                                              gint32 count, gunichar2 value,
 899                                              MonoBoolean first)
 900 {
 901         gint32 pos;
 902         gunichar2 *src;
 903
 904         src = mono_string_chars(source);
 905         if(first) {
 906                 for (pos = sindex; pos != count + sindex; pos++) {
 907                         if (src [pos] == value) {
 908                                 return(pos);
 909                         }
 910                 }
 911
 912                 return(-1);
 913         } else {
 914                 for (pos = sindex; pos > sindex - count; pos--) {
 915                         if (src [pos] == value)
 916                                 return(pos);
 917                 }
 918
 919                 return(-1);
 920         }
 921 }
 922
 923 void load_normalization_resource (guint8 **argProps,
 924                                   guint8 **argMappedChars,
 925                                   guint8 **argCharMapIndex,
 926                                   guint8 **argHelperIndex,
 927                                   guint8 **argMapIdxToComposite,
 928                                   guint8 **argCombiningClass)
 929 {
 930 #ifdef DISABLE_NORMALIZATION
 931         mono_raise_exception (mono_get_exception_not_supported ("This runtime has been compiled without string normalization support."));
 932 #else
 933         *argProps = (guint8*)props;
 934         *argMappedChars = (guint8*) mappedChars;
 935         *argCharMapIndex = (guint8*) charMapIndex;
 936         *argHelperIndex = (guint8*) helperIndex;
 937         *argMapIdxToComposite = (guint8*) mapIdxToComposite;
 938         *argCombiningClass = (guint8*)combiningClass;
 939 #endif
 940 }
 941
 942