src/common/intl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/intl.cpp
   3 // Purpose:     Internationalization and localisation for wxWidgets
   4 // Author:      Vadim Zeitlin
   5 // Modified by: Michael N. Filippov <michael@idisys.iae.nsk.su>
   6 //              (2003/09/30 - PluralForms support)
   7 // Created:     29/01/98
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // ============================================================================
  14 // declaration
  15 // ============================================================================
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 // For compilers that support precompilation, includes "wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25     #pragma hdrstop
  26 #endif
  27
  28 #ifdef __EMX__
  29 // The following define is needed by Innotek's libc to
  30 // make the definition of struct localeconv available.
  31 #define __INTERNAL_DEFS
  32 #endif
  33
  34 #if wxUSE_INTL
  35
  36 #ifndef WX_PRECOMP
  37     #include "wx/dynarray.h"
  38     #include "wx/string.h"
  39     #include "wx/intl.h"
  40     #include "wx/log.h"
  41     #include "wx/utils.h"
  42     #include "wx/app.h"
  43     #include "wx/hashmap.h"
  44     #include "wx/module.h"
  45 #endif // WX_PRECOMP
  46
  47 #ifndef __WXWINCE__
  48     #include <locale.h>
  49 #endif
  50
  51 // standard headers
  52 #include <ctype.h>
  53 #include <stdlib.h>
  54 #ifdef HAVE_LANGINFO_H
  55     #include <langinfo.h>
  56 #endif
  57
  58 #ifdef __WIN32__
  59     #include "wx/msw/private.h"
  60 #endif
  61
  62 #include "wx/file.h"
  63 #include "wx/filename.h"
  64 #include "wx/tokenzr.h"
  65 #include "wx/fontmap.h"
  66 #include "wx/scopedptr.h"
  67 #include "wx/apptrait.h"
  68 #include "wx/stdpaths.h"
  69 #include "wx/hashset.h"
  70
  71 #if defined(__WXOSX__)
  72     #include "wx/osx/core/cfref.h"
  73     #include <CoreFoundation/CFLocale.h>
  74     #include <CoreFoundation/CFDateFormatter.h>
  75     #include "wx/osx/core/cfstring.h"
  76 #endif
  77
  78 // ----------------------------------------------------------------------------
  79 // constants
  80 // ----------------------------------------------------------------------------
  81
  82 #define TRACE_I18N wxS("i18n")
  83
  84 // ============================================================================
  85 // implementation
  86 // ============================================================================
  87
  88 // ----------------------------------------------------------------------------
  89 // global functions
  90 // ----------------------------------------------------------------------------
  91
  92 static wxLocale *wxSetLocale(wxLocale *pLocale);
  93
  94 namespace
  95 {
  96
  97 // get just the language part ("en" in "en_GB")
  98 inline wxString ExtractLang(const wxString& langFull)
  99 {
 100     return langFull.BeforeFirst('_');
 101 }
 102
 103 // helper functions of GetSystemLanguage()
 104 #ifdef __UNIX__
 105
 106 // get everything else (including the leading '_')
 107 inline wxString ExtractNotLang(const wxString& langFull)
 108 {
 109     size_t pos = langFull.find('_');
 110     if ( pos != wxString::npos )
 111         return langFull.substr(pos);
 112     else
 113         return wxString();
 114 }
 115
 116 #endif // __UNIX__
 117
 118 } // anonymous namespace
 119
 120 // ----------------------------------------------------------------------------
 121 // wxLanguageInfo
 122 // ----------------------------------------------------------------------------
 123
 124 #ifdef __WINDOWS__
 125
 126 // helper used by wxLanguageInfo::GetLocaleName() and elsewhere to determine
 127 // whether the locale is Unicode-only (it is if this function returns empty
 128 // string)
 129 static wxString wxGetANSICodePageForLocale(LCID lcid)
 130 {
 131     wxString cp;
 132
 133     wxChar buffer[16];
 134     if ( ::GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE,
 135                         buffer, WXSIZEOF(buffer)) > 0 )
 136     {
 137         if ( buffer[0] != wxT('0') || buffer[1] != wxT('\0') )
 138             cp = buffer;
 139         //else: this locale doesn't use ANSI code page
 140     }
 141
 142     return cp;
 143 }
 144
 145 wxUint32 wxLanguageInfo::GetLCID() const
 146 {
 147     return MAKELCID(MAKELANGID(WinLang, WinSublang), SORT_DEFAULT);
 148 }
 149
 150 wxString wxLanguageInfo::GetLocaleName() const
 151 {
 152     wxString locale;
 153
 154     const LCID lcid = GetLCID();
 155
 156     wxChar buffer[256];
 157     buffer[0] = wxT('\0');
 158     if ( !::GetLocaleInfo(lcid, LOCALE_SENGLANGUAGE, buffer, WXSIZEOF(buffer)) )
 159     {
 160         wxLogLastError(wxT("GetLocaleInfo(LOCALE_SENGLANGUAGE)"));
 161         return locale;
 162     }
 163
 164     locale << buffer;
 165     if ( ::GetLocaleInfo(lcid, LOCALE_SENGCOUNTRY,
 166                         buffer, WXSIZEOF(buffer)) > 0 )
 167     {
 168         locale << wxT('_') << buffer;
 169     }
 170
 171     const wxString cp = wxGetANSICodePageForLocale(lcid);
 172     if ( !cp.empty() )
 173     {
 174         locale << wxT('.') << cp;
 175     }
 176
 177     return locale;
 178 }
 179
 180 #endif // __WINDOWS__
 181
 182 // ----------------------------------------------------------------------------
 183 // wxLocale
 184 // ----------------------------------------------------------------------------
 185
 186 #include "wx/arrimpl.cpp"
 187 WX_DECLARE_EXPORTED_OBJARRAY(wxLanguageInfo, wxLanguageInfoArray);
 188 WX_DEFINE_OBJARRAY(wxLanguageInfoArray)
 189
 190 wxLanguageInfoArray *wxLocale::ms_languagesDB = NULL;
 191
 192 /*static*/ void wxLocale::CreateLanguagesDB()
 193 {
 194     if (ms_languagesDB == NULL)
 195     {
 196         ms_languagesDB = new wxLanguageInfoArray;
 197         InitLanguagesDB();
 198     }
 199 }
 200
 201 /*static*/ void wxLocale::DestroyLanguagesDB()
 202 {
 203     wxDELETE(ms_languagesDB);
 204 }
 205
 206
 207 void wxLocale::DoCommonInit()
 208 {
 209     // Store the current locale in order to be able to restore it in the dtor.
 210     m_pszOldLocale = wxSetlocale(LC_ALL, NULL);
 211     if ( m_pszOldLocale )
 212         m_pszOldLocale = wxStrdup(m_pszOldLocale);
 213
 214
 215     m_pOldLocale = wxSetLocale(this);
 216
 217     // Set translations object, but only if the user didn't do so yet.
 218     // This is to preserve compatibility with wx-2.8 where wxLocale was
 219     // the only API for translations. wxLocale works as a stack, with
 220     // latest-created one being the active one:
 221     //     wxLocale loc_fr(wxLANGUAGE_FRENCH);
 222     //     // _() returns French
 223     //     {
 224     //         wxLocale loc_cs(wxLANGUAGE_CZECH);
 225     //         // _() returns Czech
 226     //     }
 227     //     // _() returns French again
 228     wxTranslations *oldTrans = wxTranslations::Get();
 229     if ( !oldTrans ||
 230          (m_pOldLocale && oldTrans == &m_pOldLocale->m_translations) )
 231     {
 232         wxTranslations::SetNonOwned(&m_translations);
 233     }
 234
 235     m_language = wxLANGUAGE_UNKNOWN;
 236     m_initialized = false;
 237 }
 238
 239 // NB: this function has (desired) side effect of changing current locale
 240 bool wxLocale::Init(const wxString& name,
 241                     const wxString& shortName,
 242                     const wxString& locale,
 243                     bool            bLoadDefault
 244 #if WXWIN_COMPATIBILITY_2_8
 245                    ,bool            WXUNUSED_UNLESS_DEBUG(bConvertEncoding)
 246 #endif
 247                     )
 248 {
 249 #if WXWIN_COMPATIBILITY_2_8
 250     wxASSERT_MSG( bConvertEncoding,
 251                   wxS("wxLocale::Init with bConvertEncoding=false is no longer supported, add charset to your catalogs") );
 252 #endif
 253
 254     bool ret = DoInit(name, shortName, locale);
 255
 256     // NB: don't use 'lang' here, 'language' may be wxLANGUAGE_DEFAULT
 257     wxTranslations *t = wxTranslations::Get();
 258     if ( t )
 259     {
 260         t->SetLanguage(shortName);
 261
 262         if ( bLoadDefault )
 263             t->AddStdCatalog();
 264     }
 265
 266     return ret;
 267 }
 268
 269 bool wxLocale::DoInit(const wxString& name,
 270                       const wxString& shortName,
 271                       const wxString& locale)
 272 {
 273     wxASSERT_MSG( !m_initialized,
 274                     wxS("you can't call wxLocale::Init more than once") );
 275
 276     m_initialized = true;
 277     m_strLocale = name;
 278     m_strShort = shortName;
 279     m_language = wxLANGUAGE_UNKNOWN;
 280
 281     // change current locale (default: same as long name)
 282     wxString szLocale(locale);
 283     if ( szLocale.empty() )
 284     {
 285         // the argument to setlocale()
 286         szLocale = shortName;
 287
 288         wxCHECK_MSG( !szLocale.empty(), false,
 289                     wxS("no locale to set in wxLocale::Init()") );
 290     }
 291
 292     if ( !wxSetlocale(LC_ALL, szLocale) )
 293     {
 294         wxLogError(_("locale '%s' cannot be set."), szLocale);
 295     }
 296
 297     // the short name will be used to look for catalog files as well,
 298     // so we need something here
 299     if ( m_strShort.empty() ) {
 300         // FIXME I don't know how these 2 letter abbreviations are formed,
 301         //       this wild guess is surely wrong
 302         if ( !szLocale.empty() )
 303         {
 304             m_strShort += (wxChar)wxTolower(szLocale[0]);
 305             if ( szLocale.length() > 1 )
 306                 m_strShort += (wxChar)wxTolower(szLocale[1]);
 307         }
 308     }
 309
 310     return true;
 311 }
 312
 313
 314 #if defined(__UNIX__) && wxUSE_UNICODE && !defined(__WXMAC__)
 315 static const char *wxSetlocaleTryUTF8(int c, const wxString& lc)
 316 {
 317     const char *l = NULL;
 318
 319     // NB: We prefer to set UTF-8 locale if it's possible and only fall back to
 320     //     non-UTF-8 locale if it fails
 321
 322     if ( !lc.empty() )
 323     {
 324         wxString buf(lc);
 325         wxString buf2;
 326         buf2 = buf + wxS(".UTF-8");
 327         l = wxSetlocale(c, buf2);
 328         if ( !l )
 329         {
 330             buf2 = buf + wxS(".utf-8");
 331             l = wxSetlocale(c, buf2);
 332         }
 333         if ( !l )
 334         {
 335             buf2 = buf + wxS(".UTF8");
 336             l = wxSetlocale(c, buf2);
 337         }
 338         if ( !l )
 339         {
 340             buf2 = buf + wxS(".utf8");
 341             l = wxSetlocale(c, buf2);
 342         }
 343     }
 344
 345     // if we can't set UTF-8 locale, try non-UTF-8 one:
 346     if ( !l )
 347         l = wxSetlocale(c, lc);
 348
 349     return l;
 350 }
 351 #else
 352 #define wxSetlocaleTryUTF8(c, lc)  wxSetlocale(c, lc)
 353 #endif
 354
 355 bool wxLocale::Init(int language, int flags)
 356 {
 357 #if WXWIN_COMPATIBILITY_2_8
 358     wxASSERT_MSG( !(flags & wxLOCALE_CONV_ENCODING),
 359                   wxS("wxLOCALE_CONV_ENCODING is no longer supported, add charset to your catalogs") );
 360 #endif
 361
 362     bool ret = true;
 363
 364     int lang = language;
 365     if (lang == wxLANGUAGE_DEFAULT)
 366     {
 367         // auto detect the language
 368         lang = GetSystemLanguage();
 369     }
 370
 371     // We failed to detect system language, so we will use English:
 372     if (lang == wxLANGUAGE_UNKNOWN)
 373     {
 374         return false;
 375     }
 376
 377     const wxLanguageInfo *info = GetLanguageInfo(lang);
 378
 379     // Unknown language:
 380     if (info == NULL)
 381     {
 382         wxLogError(wxS("Unknown language %i."), lang);
 383         return false;
 384     }
 385
 386     wxString name = info->Description;
 387     wxString canonical = info->CanonicalName;
 388     wxString locale;
 389
 390     // Set the locale:
 391 #if defined(__OS2__)
 392     const char *retloc = wxSetlocale(LC_ALL , wxEmptyString);
 393 #elif defined(__UNIX__) && !defined(__WXMAC__)
 394     if (language != wxLANGUAGE_DEFAULT)
 395         locale = info->CanonicalName;
 396
 397     const char *retloc = wxSetlocaleTryUTF8(LC_ALL, locale);
 398
 399     const wxString langOnly = ExtractLang(locale);
 400     if ( !retloc )
 401     {
 402         // Some C libraries don't like xx_YY form and require xx only
 403         retloc = wxSetlocaleTryUTF8(LC_ALL, langOnly);
 404     }
 405
 406 #if wxUSE_FONTMAP
 407     // some systems (e.g. FreeBSD and HP-UX) don't have xx_YY aliases but
 408     // require the full xx_YY.encoding form, so try using UTF-8 because this is
 409     // the only thing we can do generically
 410     //
 411     // TODO: add encodings applicable to each language to the lang DB and try
 412     //       them all in turn here
 413     if ( !retloc )
 414     {
 415         const wxChar **names =
 416             wxFontMapperBase::GetAllEncodingNames(wxFONTENCODING_UTF8);
 417         while ( *names )
 418         {
 419             retloc = wxSetlocale(LC_ALL, locale + wxS('.') + *names++);
 420             if ( retloc )
 421                 break;
 422         }
 423     }
 424 #endif // wxUSE_FONTMAP
 425
 426     if ( !retloc )
 427     {
 428         // Some C libraries (namely glibc) still use old ISO 639,
 429         // so will translate the abbrev for them
 430         wxString localeAlt;
 431         if ( langOnly == wxS("he") )
 432             localeAlt = wxS("iw") + ExtractNotLang(locale);
 433         else if ( langOnly == wxS("id") )
 434             localeAlt = wxS("in") + ExtractNotLang(locale);
 435         else if ( langOnly == wxS("yi") )
 436             localeAlt = wxS("ji") + ExtractNotLang(locale);
 437         else if ( langOnly == wxS("nb") )
 438             localeAlt = wxS("no_NO");
 439         else if ( langOnly == wxS("nn") )
 440             localeAlt = wxS("no_NY");
 441
 442         if ( !localeAlt.empty() )
 443         {
 444             retloc = wxSetlocaleTryUTF8(LC_ALL, localeAlt);
 445             if ( !retloc )
 446                 retloc = wxSetlocaleTryUTF8(LC_ALL, ExtractLang(localeAlt));
 447         }
 448     }
 449
 450     if ( !retloc )
 451         ret = false;
 452
 453 #ifdef __AIX__
 454     // at least in AIX 5.2 libc is buggy and the string returned from
 455     // setlocale(LC_ALL) can't be passed back to it because it returns 6
 456     // strings (one for each locale category), i.e. for C locale we get back
 457     // "C C C C C C"
 458     //
 459     // this contradicts IBM own docs but this is not of much help, so just work
 460     // around it in the crudest possible manner
 461     char* p = const_cast<char*>(wxStrchr(retloc, ' '));
 462     if ( p )
 463         *p = '\0';
 464 #endif // __AIX__
 465
 466 #elif defined(__WIN32__)
 467     const char *retloc = "C";
 468     if ( language != wxLANGUAGE_DEFAULT )
 469     {
 470         if ( info->WinLang == 0 )
 471         {
 472             wxLogWarning(wxS("Locale '%s' not supported by OS."), name.c_str());
 473             // retloc already set to "C"
 474         }
 475         else // language supported by Windows
 476         {
 477             // Windows CE doesn't have SetThreadLocale() and there doesn't seem
 478             // to be any equivalent
 479 #ifndef __WXWINCE__
 480             const wxUint32 lcid = info->GetLCID();
 481
 482             // change locale used by Windows functions
 483             ::SetThreadLocale(lcid);
 484 #endif
 485
 486             // and also call setlocale() to change locale used by the CRT
 487             locale = info->GetLocaleName();
 488             if ( locale.empty() )
 489             {
 490                 ret = false;
 491             }
 492             else // have a valid locale
 493             {
 494                 retloc = wxSetlocale(LC_ALL, locale);
 495             }
 496         }
 497     }
 498     else // language == wxLANGUAGE_DEFAULT
 499     {
 500         retloc = wxSetlocale(LC_ALL, wxEmptyString);
 501     }
 502
 503 #if wxUSE_UNICODE && (defined(__VISUALC__) || defined(__MINGW32__))
 504     // VC++ setlocale() (also used by Mingw) can't set locale to languages that
 505     // can only be written using Unicode, therefore wxSetlocale() call fails
 506     // for such languages but we don't want to report it as an error -- so that
 507     // at least message catalogs can be used.
 508     if ( !retloc )
 509     {
 510         if ( wxGetANSICodePageForLocale(LOCALE_USER_DEFAULT).empty() )
 511         {
 512             // we set the locale to a Unicode-only language, don't treat the
 513             // inability of CRT to use it as an error
 514             retloc = "C";
 515         }
 516     }
 517 #endif // CRT not handling Unicode-only languages
 518
 519     if ( !retloc )
 520         ret = false;
 521 #elif defined(__WXMAC__)
 522     if (lang == wxLANGUAGE_DEFAULT)
 523         locale = wxEmptyString;
 524     else
 525         locale = info->CanonicalName;
 526
 527     const char *retloc = wxSetlocale(LC_ALL, locale);
 528
 529     if ( !retloc )
 530     {
 531         // Some C libraries don't like xx_YY form and require xx only
 532         retloc = wxSetlocale(LC_ALL, ExtractLang(locale));
 533     }
 534 #else
 535     wxUnusedVar(flags);
 536     return false;
 537     #define WX_NO_LOCALE_SUPPORT
 538 #endif
 539
 540 #ifndef WX_NO_LOCALE_SUPPORT
 541     if ( !ret )
 542     {
 543         wxLogWarning(_("Cannot set locale to language \"%s\"."), name.c_str());
 544
 545         // continue nevertheless and try to load at least the translations for
 546         // this language
 547     }
 548
 549     if ( !DoInit(name, canonical, retloc) )
 550     {
 551         ret = false;
 552     }
 553
 554     if (IsOk()) // setlocale() succeeded
 555         m_language = lang;
 556
 557     // NB: don't use 'lang' here, 'language'
 558     wxTranslations *t = wxTranslations::Get();
 559     if ( t )
 560     {
 561         t->SetLanguage(static_cast<wxLanguage>(language));
 562
 563         if ( flags & wxLOCALE_LOAD_DEFAULT )
 564             t->AddStdCatalog();
 565     }
 566
 567     return ret;
 568 #endif // !WX_NO_LOCALE_SUPPORT
 569 }
 570
 571 namespace
 572 {
 573
 574 #ifndef __WXOSX__
 575 // Small helper function: get the value of the given environment variable and
 576 // return true only if the variable was found and has non-empty value.
 577 inline bool wxGetNonEmptyEnvVar(const wxString& name, wxString* value)
 578 {
 579     return wxGetEnv(name, value) && !value->empty();
 580 }
 581 #endif
 582
 583 } // anonymous namespace
 584
 585 /*static*/ int wxLocale::GetSystemLanguage()
 586 {
 587     CreateLanguagesDB();
 588
 589     // init i to avoid compiler warning
 590     size_t i = 0,
 591         count = ms_languagesDB->GetCount();
 592
 593 #if defined(__UNIX__)
 594     // first get the string identifying the language from the environment
 595     wxString langFull;
 596 #ifdef __WXOSX__
 597     wxCFRef<CFLocaleRef> userLocaleRef(CFLocaleCopyCurrent());
 598
 599     // because the locale identifier (kCFLocaleIdentifier) is formatted a little bit differently, eg
 600     // az_Cyrl_AZ@calendar=buddhist;currency=JPY we just recreate the base info as expected by wx here
 601
 602     wxCFStringRef str(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleLanguageCode)));
 603     langFull = str.AsString()+"_";
 604     str.reset(wxCFRetain((CFStringRef)CFLocaleGetValue(userLocaleRef, kCFLocaleCountryCode)));
 605     langFull += str.AsString();
 606 #else
 607     if (!wxGetNonEmptyEnvVar(wxS("LC_ALL"), &langFull) &&
 608         !wxGetNonEmptyEnvVar(wxS("LC_MESSAGES"), &langFull) &&
 609         !wxGetNonEmptyEnvVar(wxS("LANG"), &langFull))
 610     {
 611         // no language specified, treat it as English
 612         return wxLANGUAGE_ENGLISH_US;
 613     }
 614
 615     if ( langFull == wxS("C") || langFull == wxS("POSIX") )
 616     {
 617         // default C locale is English too
 618         return wxLANGUAGE_ENGLISH_US;
 619     }
 620 #endif
 621
 622     // the language string has the following form
 623     //
 624     //      lang[_LANG][.encoding][@modifier]
 625     //
 626     // (see environ(5) in the Open Unix specification)
 627     //
 628     // where lang is the primary language, LANG is a sublang/territory,
 629     // encoding is the charset to use and modifier "allows the user to select
 630     // a specific instance of localization data within a single category"
 631     //
 632     // for example, the following strings are valid:
 633     //      fr
 634     //      fr_FR
 635     //      de_DE.iso88591
 636     //      de_DE@euro
 637     //      de_DE.iso88591@euro
 638
 639     // for now we don't use the encoding, although we probably should (doing
 640     // translations of the msg catalogs on the fly as required) (TODO)
 641     //
 642     // we need the modified for languages like Valencian: ca_ES@valencia
 643     // though, remember it
 644     wxString modifier;
 645     size_t posModifier = langFull.find_first_of(wxS("@"));
 646     if ( posModifier != wxString::npos )
 647         modifier = langFull.Mid(posModifier);
 648
 649     size_t posEndLang = langFull.find_first_of(wxS("@."));
 650     if ( posEndLang != wxString::npos )
 651     {
 652         langFull.Truncate(posEndLang);
 653     }
 654
 655     // do we have just the language (or sublang too)?
 656     const bool justLang = langFull.find('_') == wxString::npos;
 657
 658     // 0. Make sure the lang is according to latest ISO 639
 659     //    (this is necessary because glibc uses iw and in instead
 660     //    of he and id respectively).
 661
 662     // the language itself (second part is the dialect/sublang)
 663     wxString langOrig = ExtractLang(langFull);
 664
 665     wxString lang;
 666     if ( langOrig == wxS("iw"))
 667         lang = wxS("he");
 668     else if (langOrig == wxS("in"))
 669         lang = wxS("id");
 670     else if (langOrig == wxS("ji"))
 671         lang = wxS("yi");
 672     else if (langOrig == wxS("no_NO"))
 673         lang = wxS("nb_NO");
 674     else if (langOrig == wxS("no_NY"))
 675         lang = wxS("nn_NO");
 676     else if (langOrig == wxS("no"))
 677         lang = wxS("nb_NO");
 678     else
 679         lang = langOrig;
 680
 681     // did we change it?
 682     if ( lang != langOrig )
 683     {
 684         langFull = lang + ExtractNotLang(langFull);
 685     }
 686
 687     // 1. Try to find the language either as is:
 688     // a) With modifier if set
 689     if ( !modifier.empty() )
 690     {
 691         wxString langFullWithModifier = langFull + modifier;
 692         for ( i = 0; i < count; i++ )
 693         {
 694             if ( ms_languagesDB->Item(i).CanonicalName == langFullWithModifier )
 695                 break;
 696         }
 697     }
 698
 699     // b) Without modifier
 700     if ( modifier.empty() || i == count )
 701     {
 702         for ( i = 0; i < count; i++ )
 703         {
 704             if ( ms_languagesDB->Item(i).CanonicalName == langFull )
 705                 break;
 706         }
 707     }
 708
 709     // 2. If langFull is of the form xx_YY, try to find xx:
 710     if ( i == count && !justLang )
 711     {
 712         for ( i = 0; i < count; i++ )
 713         {
 714             if ( ms_languagesDB->Item(i).CanonicalName == lang )
 715             {
 716                 break;
 717             }
 718         }
 719     }
 720
 721     // 3. If langFull is of the form xx, try to find any xx_YY record:
 722     if ( i == count && justLang )
 723     {
 724         for ( i = 0; i < count; i++ )
 725         {
 726             if ( ExtractLang(ms_languagesDB->Item(i).CanonicalName)
 727                     == langFull )
 728             {
 729                 break;
 730             }
 731         }
 732     }
 733
 734
 735     if ( i == count )
 736     {
 737         // In addition to the format above, we also can have full language
 738         // names in LANG env var - for example, SuSE is known to use
 739         // LANG="german" - so check for use of non-standard format and try to
 740         // find the name in verbose description.
 741         for ( i = 0; i < count; i++ )
 742         {
 743             if (ms_languagesDB->Item(i).Description.CmpNoCase(langFull) == 0)
 744             {
 745                 break;
 746             }
 747         }
 748     }
 749 #elif defined(__WIN32__)
 750     LCID lcid = GetUserDefaultLCID();
 751     if ( lcid != 0 )
 752     {
 753         wxUint32 lang = PRIMARYLANGID(LANGIDFROMLCID(lcid));
 754         wxUint32 sublang = SUBLANGID(LANGIDFROMLCID(lcid));
 755
 756         for ( i = 0; i < count; i++ )
 757         {
 758             if (ms_languagesDB->Item(i).WinLang == lang &&
 759                 ms_languagesDB->Item(i).WinSublang == sublang)
 760             {
 761                 break;
 762             }
 763         }
 764     }
 765     //else: leave wxlang == wxLANGUAGE_UNKNOWN
 766 #endif // Unix/Win32
 767
 768     if ( i < count )
 769     {
 770         // we did find a matching entry, use it
 771         return ms_languagesDB->Item(i).Language;
 772     }
 773
 774     // no info about this language in the database
 775     return wxLANGUAGE_UNKNOWN;
 776 }
 777
 778 // ----------------------------------------------------------------------------
 779 // encoding stuff
 780 // ----------------------------------------------------------------------------
 781
 782 // this is a bit strange as under Windows we get the encoding name using its
 783 // numeric value and under Unix we do it the other way round, but this just
 784 // reflects the way different systems provide the encoding info
 785
 786 /* static */
 787 wxString wxLocale::GetSystemEncodingName()
 788 {
 789     wxString encname;
 790
 791 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 792     // FIXME: what is the error return value for GetACP()?
 793     UINT codepage = ::GetACP();
 794     encname.Printf(wxS("windows-%u"), codepage);
 795 #elif defined(__WXMAC__)
 796     encname = wxCFStringRef::AsString(
 797                 CFStringGetNameOfEncoding(CFStringGetSystemEncoding())
 798               );
 799 #elif defined(__UNIX_LIKE__)
 800
 801 #if defined(HAVE_LANGINFO_H) && defined(CODESET)
 802     // GNU libc provides current character set this way (this conforms
 803     // to Unix98)
 804     char *oldLocale = strdup(setlocale(LC_CTYPE, NULL));
 805     setlocale(LC_CTYPE, "");
 806     const char *alang = nl_langinfo(CODESET);
 807     setlocale(LC_CTYPE, oldLocale);
 808     free(oldLocale);
 809
 810     if ( alang )
 811     {
 812         encname = wxString::FromAscii( alang );
 813     }
 814     else // nl_langinfo() failed
 815 #endif // HAVE_LANGINFO_H
 816     {
 817         // if we can't get at the character set directly, try to see if it's in
 818         // the environment variables (in most cases this won't work, but I was
 819         // out of ideas)
 820         char *lang = getenv( "LC_ALL");
 821         char *dot = lang ? strchr(lang, '.') : NULL;
 822         if (!dot)
 823         {
 824             lang = getenv( "LC_CTYPE" );
 825             if ( lang )
 826                 dot = strchr(lang, '.' );
 827         }
 828         if (!dot)
 829         {
 830             lang = getenv( "LANG");
 831             if ( lang )
 832                 dot = strchr(lang, '.');
 833         }
 834
 835         if ( dot )
 836         {
 837             encname = wxString::FromAscii( dot+1 );
 838         }
 839     }
 840 #endif // Win32/Unix
 841
 842     return encname;
 843 }
 844
 845 /* static */
 846 wxFontEncoding wxLocale::GetSystemEncoding()
 847 {
 848 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
 849     UINT codepage = ::GetACP();
 850
 851     // wxWidgets only knows about CP1250-1257, 874, 932, 936, 949, 950
 852     if ( codepage >= 1250 && codepage <= 1257 )
 853     {
 854         return (wxFontEncoding)(wxFONTENCODING_CP1250 + codepage - 1250);
 855     }
 856
 857     if ( codepage == 874 )
 858     {
 859         return wxFONTENCODING_CP874;
 860     }
 861
 862     if ( codepage == 932 )
 863     {
 864         return wxFONTENCODING_CP932;
 865     }
 866
 867     if ( codepage == 936 )
 868     {
 869         return wxFONTENCODING_CP936;
 870     }
 871
 872     if ( codepage == 949 )
 873     {
 874         return wxFONTENCODING_CP949;
 875     }
 876
 877     if ( codepage == 950 )
 878     {
 879         return wxFONTENCODING_CP950;
 880     }
 881 #elif defined(__WXMAC__)
 882     CFStringEncoding encoding = 0 ;
 883     encoding = CFStringGetSystemEncoding() ;
 884     return wxMacGetFontEncFromSystemEnc( encoding ) ;
 885 #elif defined(__UNIX_LIKE__) && wxUSE_FONTMAP
 886     const wxString encname = GetSystemEncodingName();
 887     if ( !encname.empty() )
 888     {
 889         wxFontEncoding enc = wxFontMapperBase::GetEncodingFromName(encname);
 890
 891         // on some modern Linux systems (RedHat 8) the default system locale
 892         // is UTF8 -- but it isn't supported by wxGTK1 in ANSI build at all so
 893         // don't even try to use it in this case
 894 #if !wxUSE_UNICODE && \
 895         ((defined(__WXGTK__) && !defined(__WXGTK20__)) || defined(__WXMOTIF__))
 896         if ( enc == wxFONTENCODING_UTF8 )
 897         {
 898             // the most similar supported encoding...
 899             enc = wxFONTENCODING_ISO8859_1;
 900         }
 901 #endif // !wxUSE_UNICODE
 902
 903         // GetEncodingFromName() returns wxFONTENCODING_DEFAULT for C locale
 904         // (a.k.a. US-ASCII) which is arguably a bug but keep it like this for
 905         // backwards compatibility and just take care to not return
 906         // wxFONTENCODING_DEFAULT from here as this surely doesn't make sense
 907         if ( enc == wxFONTENCODING_DEFAULT )
 908         {
 909             // we don't have wxFONTENCODING_ASCII, so use the closest one
 910             return wxFONTENCODING_ISO8859_1;
 911         }
 912
 913         if ( enc != wxFONTENCODING_MAX )
 914         {
 915             return enc;
 916         }
 917         //else: return wxFONTENCODING_SYSTEM below
 918     }
 919 #endif // Win32/Unix
 920
 921     return wxFONTENCODING_SYSTEM;
 922 }
 923
 924 /* static */
 925 void wxLocale::AddLanguage(const wxLanguageInfo& info)
 926 {
 927     CreateLanguagesDB();
 928     ms_languagesDB->Add(info);
 929 }
 930
 931 /* static */
 932 const wxLanguageInfo *wxLocale::GetLanguageInfo(int lang)
 933 {
 934     CreateLanguagesDB();
 935
 936     // calling GetLanguageInfo(wxLANGUAGE_DEFAULT) is a natural thing to do, so
 937     // make it work
 938     if ( lang == wxLANGUAGE_DEFAULT )
 939         lang = GetSystemLanguage();
 940
 941     const size_t count = ms_languagesDB->GetCount();
 942     for ( size_t i = 0; i < count; i++ )
 943     {
 944         if ( ms_languagesDB->Item(i).Language == lang )
 945         {
 946             // We need to create a temporary here in order to make this work with BCC in final build mode
 947             wxLanguageInfo *ptr = &ms_languagesDB->Item(i);
 948             return ptr;
 949         }
 950     }
 951
 952     return NULL;
 953 }
 954
 955 /* static */
 956 wxString wxLocale::GetLanguageName(int lang)
 957 {
 958     if ( lang == wxLANGUAGE_DEFAULT || lang == wxLANGUAGE_UNKNOWN )
 959         return wxEmptyString;
 960
 961     const wxLanguageInfo *info = GetLanguageInfo(lang);
 962     if ( !info )
 963         return wxEmptyString;
 964     else
 965         return info->Description;
 966 }
 967
 968 /* static */
 969 wxString wxLocale::GetLanguageCanonicalName(int lang)
 970 {
 971     if ( lang == wxLANGUAGE_DEFAULT || lang == wxLANGUAGE_UNKNOWN )
 972         return wxEmptyString;
 973
 974     const wxLanguageInfo *info = GetLanguageInfo(lang);
 975     if ( !info )
 976         return wxEmptyString;
 977     else
 978         return info->CanonicalName;
 979 }
 980
 981 /* static */
 982 const wxLanguageInfo *wxLocale::FindLanguageInfo(const wxString& locale)
 983 {
 984     CreateLanguagesDB();
 985
 986     const wxLanguageInfo *infoRet = NULL;
 987
 988     const size_t count = ms_languagesDB->GetCount();
 989     for ( size_t i = 0; i < count; i++ )
 990     {
 991         const wxLanguageInfo *info = &ms_languagesDB->Item(i);
 992
 993         if ( wxStricmp(locale, info->CanonicalName) == 0 ||
 994                 wxStricmp(locale, info->Description) == 0 )
 995         {
 996             // exact match, stop searching
 997             infoRet = info;
 998             break;
 999         }
1000
1001         if ( wxStricmp(locale, info->CanonicalName.BeforeFirst(wxS('_'))) == 0 )
1002         {
1003             // a match -- but maybe we'll find an exact one later, so continue
1004             // looking
1005             //
1006             // OTOH, maybe we had already found a language match and in this
1007             // case don't overwrite it because the entry for the default
1008             // country always appears first in ms_languagesDB
1009             if ( !infoRet )
1010                 infoRet = info;
1011         }
1012     }
1013
1014     return infoRet;
1015 }
1016
1017 wxString wxLocale::GetSysName() const
1018 {
1019     return wxSetlocale(LC_ALL, NULL);
1020 }
1021
1022 // clean up
1023 wxLocale::~wxLocale()
1024 {
1025     // Restore old translations object.
1026     // See DoCommonInit() for explanation of why this is needed for backward
1027     // compatibility.
1028     if ( wxTranslations::Get() == &m_translations )
1029     {
1030         if ( m_pOldLocale )
1031             wxTranslations::SetNonOwned(&m_pOldLocale->m_translations);
1032         else
1033             wxTranslations::Set(NULL);
1034     }
1035
1036     // restore old locale pointer
1037     wxSetLocale(m_pOldLocale);
1038
1039     wxSetlocale(LC_ALL, m_pszOldLocale);
1040     free(const_cast<char *>(m_pszOldLocale));
1041 }
1042
1043
1044 // check if the given locale is provided by OS and C run time
1045 /* static */
1046 bool wxLocale::IsAvailable(int lang)
1047 {
1048     const wxLanguageInfo *info = wxLocale::GetLanguageInfo(lang);
1049     if ( !info )
1050     {
1051         // The language is unknown (this normally only happens when we're
1052         // passed wxLANGUAGE_DEFAULT), so we can't support it.
1053         wxASSERT_MSG( lang == wxLANGUAGE_DEFAULT,
1054                       wxS("No info for a valid language?") );
1055         return false;
1056     }
1057
1058 #if defined(__WIN32__)
1059     if ( !info->WinLang )
1060         return false;
1061
1062     if ( !::IsValidLocale(info->GetLCID(), LCID_INSTALLED) )
1063         return false;
1064
1065 #elif defined(__UNIX__)
1066
1067     // Test if setting the locale works, then set it back.
1068     char * const oldLocale = wxStrdupA(setlocale(LC_ALL, NULL));
1069
1070     // Some platforms don't like xx_YY form and require xx only so test for
1071     // it too.
1072     const bool
1073         available = wxSetlocaleTryUTF8(LC_ALL, info->CanonicalName) ||
1074                     wxSetlocaleTryUTF8(LC_ALL, ExtractLang(info->CanonicalName));
1075
1076     // restore the original locale
1077     wxSetlocale(LC_ALL, oldLocale);
1078
1079     free(oldLocale);
1080
1081     if ( !available )
1082         return false;
1083 #endif
1084
1085     return true;
1086 }
1087
1088
1089 bool wxLocale::AddCatalog(const wxString& domain)
1090 {
1091     wxTranslations *t = wxTranslations::Get();
1092     if ( !t )
1093         return false;
1094     return t->AddCatalog(domain);
1095 }
1096
1097 bool wxLocale::AddCatalog(const wxString& domain, wxLanguage msgIdLanguage)
1098 {
1099     wxTranslations *t = wxTranslations::Get();
1100     if ( !t )
1101         return false;
1102     return t->AddCatalog(domain, msgIdLanguage);
1103 }
1104
1105 // add a catalog to our linked list
1106 bool wxLocale::AddCatalog(const wxString& szDomain,
1107                         wxLanguage      msgIdLanguage,
1108                         const wxString& msgIdCharset)
1109 {
1110     wxTranslations *t = wxTranslations::Get();
1111     if ( !t )
1112         return false;
1113 #if wxUSE_UNICODE
1114     wxUnusedVar(msgIdCharset);
1115     return t->AddCatalog(szDomain, msgIdLanguage);
1116 #else
1117     return t->AddCatalog(szDomain, msgIdLanguage, msgIdCharset);
1118 #endif
1119 }
1120
1121 bool wxLocale::IsLoaded(const wxString& domain) const
1122 {
1123     wxTranslations *t = wxTranslations::Get();
1124     if ( !t )
1125         return false;
1126     return t->IsLoaded(domain);
1127 }
1128
1129 wxString wxLocale::GetHeaderValue(const wxString& header,
1130                                   const wxString& domain) const
1131 {
1132     wxTranslations *t = wxTranslations::Get();
1133     if ( !t )
1134         return wxEmptyString;
1135     return t->GetHeaderValue(header, domain);
1136 }
1137
1138 // ----------------------------------------------------------------------------
1139 // accessors for locale-dependent data
1140 // ----------------------------------------------------------------------------
1141
1142 #if defined(__WINDOWS__) || defined(__WXOSX__)
1143
1144 namespace
1145 {
1146
1147 // This function translates from Unicode date formats described at
1148 //
1149 //      http://unicode.org/reports/tr35/tr35-6.html#Date_Format_Patterns
1150 //
1151 // to strftime()-like syntax. This translation is not lossless but we try to do
1152 // our best.
1153
1154 static wxString TranslateFromUnicodeFormat(const wxString& fmt)
1155 {
1156     wxString fmtWX;
1157     fmtWX.reserve(fmt.length());
1158
1159     char chLast = '\0';
1160     size_t lastCount = 0;
1161
1162     const char* formatchars =
1163         "dghHmMsSy"
1164 #ifdef __WINDOWS__
1165         "t"
1166 #else
1167         "EawD"
1168 #endif
1169         ;
1170     for ( wxString::const_iterator p = fmt.begin(); /* end handled inside */; ++p )
1171     {
1172         if ( p != fmt.end() )
1173         {
1174             if ( *p == chLast )
1175             {
1176                 lastCount++;
1177                 continue;
1178             }
1179
1180             const wxUniChar ch = (*p).GetValue();
1181             if ( ch.IsAscii() && strchr(formatchars, ch) )
1182             {
1183                 // these characters come in groups, start counting them
1184                 chLast = ch;
1185                 lastCount = 1;
1186                 continue;
1187             }
1188         }
1189
1190         // interpret any special characters we collected so far
1191         if ( lastCount )
1192         {
1193             switch ( chLast )
1194             {
1195                 case 'd':
1196                     switch ( lastCount )
1197                     {
1198                         case 1: // d
1199                         case 2: // dd
1200                             // these two are the same as we don't distinguish
1201                             // between 1 and 2 digits for days
1202                             fmtWX += "%d";
1203                             break;
1204 #ifdef __WINDOWS__
1205                         case 3: // ddd
1206                             fmtWX += "%a";
1207                             break;
1208
1209                         case 4: // dddd
1210                             fmtWX += "%A";
1211                             break;
1212 #endif
1213                         default:
1214                             wxFAIL_MSG( "too many 'd's" );
1215                     }
1216                     break;
1217 #ifndef __WINDOWS__
1218                 case 'D':
1219                     switch ( lastCount )
1220                     {
1221                         case 1: // D
1222                         case 2: // DD
1223                         case 3: // DDD
1224                             fmtWX += "%j";
1225                             break;
1226
1227                         default:
1228                             wxFAIL_MSG( "wrong number of 'D's" );
1229                     }
1230                     break;
1231                case 'w':
1232                     switch ( lastCount )
1233                     {
1234                         case 1: // w
1235                         case 2: // ww
1236                             fmtWX += "%W";
1237                             break;
1238
1239                         default:
1240                             wxFAIL_MSG( "wrong number of 'w's" );
1241                     }
1242                     break;
1243                 case 'E':
1244                    switch ( lastCount )
1245                     {
1246                         case 1: // E
1247                         case 2: // EE
1248                         case 3: // EEE
1249                             fmtWX += "%a";
1250                             break;
1251                         case 4: // EEEE
1252                             fmtWX += "%A";
1253                             break;
1254                         case 5: // EEEEE
1255                             fmtWX += "%a";
1256                             break;
1257
1258                         default:
1259                             wxFAIL_MSG( "wrong number of 'E's" );
1260                     }
1261                     break;
1262 #endif
1263                 case 'M':
1264                     switch ( lastCount )
1265                     {
1266                         case 1: // M
1267                         case 2: // MM
1268                             // as for 'd' and 'dd' above
1269                             fmtWX += "%m";
1270                             break;
1271
1272                         case 3:
1273                             fmtWX += "%b";
1274                             break;
1275
1276                         case 4:
1277                             fmtWX += "%B";
1278                             break;
1279
1280                         default:
1281                             wxFAIL_MSG( "too many 'M's" );
1282                     }
1283                     break;
1284
1285                 case 'y':
1286                     switch ( lastCount )
1287                     {
1288                         case 1: // y
1289                         case 2: // yy
1290                             fmtWX += "%y";
1291                             break;
1292
1293                         case 4: // yyyy
1294                             fmtWX += "%Y";
1295                             break;
1296
1297                         default:
1298                             wxFAIL_MSG( "wrong number of 'y's" );
1299                     }
1300                     break;
1301
1302                 case 'H':
1303                     switch ( lastCount )
1304                     {
1305                         case 1: // H
1306                         case 2: // HH
1307                             fmtWX += "%H";
1308                             break;
1309
1310                         default:
1311                             wxFAIL_MSG( "wrong number of 'H's" );
1312                     }
1313                     break;
1314
1315                case 'h':
1316                     switch ( lastCount )
1317                     {
1318                         case 1: // h
1319                         case 2: // hh
1320                             fmtWX += "%I";
1321                             break;
1322
1323                         default:
1324                             wxFAIL_MSG( "wrong number of 'h's" );
1325                     }
1326                     break;
1327
1328                case 'm':
1329                     switch ( lastCount )
1330                     {
1331                         case 1: // m
1332                         case 2: // mm
1333                             fmtWX += "%M";
1334                             break;
1335
1336                         default:
1337                             wxFAIL_MSG( "wrong number of 'm's" );
1338                     }
1339                     break;
1340
1341                case 's':
1342                     switch ( lastCount )
1343                     {
1344                         case 1: // s
1345                         case 2: // ss
1346                             fmtWX += "%S";
1347                             break;
1348
1349                         default:
1350                             wxFAIL_MSG( "wrong number of 's's" );
1351                     }
1352                     break;
1353
1354                 case 'g':
1355                     // strftime() doesn't have era string,
1356                     // ignore this format
1357                     wxASSERT_MSG( lastCount <= 2, "too many 'g's" );
1358
1359                     break;
1360 #ifndef __WINDOWS__
1361                 case 'a':
1362                     fmtWX += "%p";
1363                     break;
1364 #endif
1365 #ifdef __WINDOWS__
1366                 case 't':
1367                     switch ( lastCount )
1368                     {
1369                         case 1: // t
1370                         case 2: // tt
1371                             fmtWX += "%p";
1372                             break;
1373
1374                         default:
1375                             wxFAIL_MSG( "too many 't's" );
1376                     }
1377                     break;
1378 #endif
1379                 default:
1380                     wxFAIL_MSG( "unreachable" );
1381             }
1382
1383             chLast = '\0';
1384             lastCount = 0;
1385         }
1386
1387         if ( p == fmt.end() )
1388             break;
1389
1390         // not a special character so must be just a separator, treat as is
1391         if ( *p == wxT('%') )
1392         {
1393             // this one needs to be escaped
1394             fmtWX += wxT('%');
1395         }
1396
1397         fmtWX += *p;
1398     }
1399
1400     return fmtWX;
1401 }
1402
1403 } // anonymous namespace
1404
1405 #endif // __WINDOWS__ || __WXOSX__
1406
1407 #if defined(__WINDOWS__)
1408
1409 namespace
1410 {
1411
1412 LCTYPE GetLCTYPEFormatFromLocalInfo(wxLocaleInfo index)
1413 {
1414     switch ( index )
1415     {
1416         case wxLOCALE_SHORT_DATE_FMT:
1417             return LOCALE_SSHORTDATE;
1418
1419         case wxLOCALE_LONG_DATE_FMT:
1420             return LOCALE_SLONGDATE;
1421
1422         case wxLOCALE_TIME_FMT:
1423             return LOCALE_STIMEFORMAT;
1424
1425         default:
1426             wxFAIL_MSG( "no matching LCTYPE" );
1427     }
1428
1429     return 0;
1430 }
1431
1432 } // anonymous namespace
1433
1434 /* static */
1435 wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory cat)
1436 {
1437     const wxLanguageInfo * const
1438         info = wxGetLocale() ? GetLanguageInfo(wxGetLocale()->GetLanguage())
1439                              : NULL;
1440     if ( !info )
1441     {
1442         // wxSetLocale() hadn't been called yet of failed, hence CRT must be
1443         // using "C" locale -- but check it to detect bugs that would happen if
1444         // this were not the case.
1445         wxASSERT_MSG( strcmp(setlocale(LC_ALL, NULL), "C") == 0,
1446                       wxS("You probably called setlocale() directly instead ")
1447                       wxS("of using wxLocale and now there is a ")
1448                       wxS("mismatch between C/C++ and Windows locale.\n")
1449                       wxS("Things are going to break, please only change ")
1450                       wxS("locale by creating wxLocale objects to avoid this!") );
1451
1452
1453         // Return the hard coded values for C locale. This is really the right
1454         // thing to do as there is no LCID we can use in the code below in this
1455         // case, even LOCALE_INVARIANT is not quite the same as C locale (the
1456         // only difference is that it uses %Y instead of %y in the date format
1457         // but this difference is significant enough).
1458         switch ( index )
1459         {
1460             case wxLOCALE_THOUSANDS_SEP:
1461                 return wxString();
1462
1463             case wxLOCALE_DECIMAL_POINT:
1464                 return ".";
1465
1466             case wxLOCALE_SHORT_DATE_FMT:
1467                 return "%m/%d/%y";
1468
1469             case wxLOCALE_LONG_DATE_FMT:
1470                 return "%A, %B %d, %Y";
1471
1472             case wxLOCALE_TIME_FMT:
1473                 return "%H:%M:%S";
1474
1475             case wxLOCALE_DATE_TIME_FMT:
1476                 return "%m/%d/%y %H:%M:%S";
1477
1478             default:
1479                 wxFAIL_MSG( "unknown wxLocaleInfo" );
1480         }
1481     }
1482
1483     const wxUint32 lcid = info->GetLCID();
1484
1485     wxString str;
1486
1487     wxChar buf[256];
1488     buf[0] = wxT('\0');
1489
1490     switch ( index )
1491     {
1492         case wxLOCALE_THOUSANDS_SEP:
1493             if ( ::GetLocaleInfo(lcid, LOCALE_STHOUSAND, buf, WXSIZEOF(buf)) )
1494                 str = buf;
1495             break;
1496
1497         case wxLOCALE_DECIMAL_POINT:
1498             if ( ::GetLocaleInfo(lcid,
1499                                  cat == wxLOCALE_CAT_MONEY
1500                                      ? LOCALE_SMONDECIMALSEP
1501                                      : LOCALE_SDECIMAL,
1502                                  buf,
1503                                  WXSIZEOF(buf)) )
1504             {
1505                 str = buf;
1506
1507                 // As we get our decimal point separator from Win32 and not the
1508                 // CRT there is a possibility of mismatch between them and this
1509                 // can easily happen if the user code called setlocale()
1510                 // instead of using wxLocale to change the locale. And this can
1511                 // result in very strange bugs elsewhere in the code as the
1512                 // assumptions that formatted strings do use the decimal
1513                 // separator actually fail, so check for it here.
1514                 wxASSERT_MSG
1515                 (
1516                     wxString::Format("%.3f", 1.23).find(str) != wxString::npos,
1517                     "Decimal separator mismatch -- did you use setlocale()?"
1518                     "If so, use wxLocale to change the locale instead."
1519                 );
1520             }
1521             break;
1522
1523         case wxLOCALE_SHORT_DATE_FMT:
1524         case wxLOCALE_LONG_DATE_FMT:
1525         case wxLOCALE_TIME_FMT:
1526             if ( ::GetLocaleInfo(lcid, GetLCTYPEFormatFromLocalInfo(index),
1527                                  buf, WXSIZEOF(buf)) )
1528             {
1529                 return TranslateFromUnicodeFormat(buf);
1530             }
1531             break;
1532
1533         case wxLOCALE_DATE_TIME_FMT:
1534             // there doesn't seem to be any specific setting for this, so just
1535             // combine date and time ones
1536             //
1537             // we use the short date because this is what "%c" uses by default
1538             // ("%#c" uses long date but we have no way to specify the
1539             // alternate representation here)
1540             {
1541                 const wxString datefmt = GetInfo(wxLOCALE_SHORT_DATE_FMT);
1542                 if ( datefmt.empty() )
1543                     break;
1544
1545                 const wxString timefmt = GetInfo(wxLOCALE_TIME_FMT);
1546                 if ( timefmt.empty() )
1547                     break;
1548
1549                 str << datefmt << ' ' << timefmt;
1550             }
1551             break;
1552
1553         default:
1554             wxFAIL_MSG( "unknown wxLocaleInfo" );
1555     }
1556
1557     return str;
1558 }
1559
1560 #elif defined(__WXOSX__)
1561
1562 /* static */
1563 wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory WXUNUSED(cat))
1564 {
1565     CFLocaleRef userLocaleRefRaw;
1566     if ( wxGetLocale() )
1567     {
1568         userLocaleRefRaw = CFLocaleCreate
1569                         (
1570                                 kCFAllocatorDefault,
1571                                 wxCFStringRef(wxGetLocale()->GetCanonicalName())
1572                         );
1573     }
1574     else // no current locale, use the default one
1575     {
1576         userLocaleRefRaw = CFLocaleCopyCurrent();
1577     }
1578
1579     wxCFRef<CFLocaleRef> userLocaleRef(userLocaleRefRaw);
1580
1581     CFStringRef cfstr = 0;
1582     switch ( index )
1583     {
1584         case wxLOCALE_THOUSANDS_SEP:
1585             cfstr = (CFStringRef) CFLocaleGetValue(userLocaleRef, kCFLocaleGroupingSeparator);
1586             break;
1587
1588         case wxLOCALE_DECIMAL_POINT:
1589             cfstr = (CFStringRef) CFLocaleGetValue(userLocaleRef, kCFLocaleDecimalSeparator);
1590             break;
1591
1592         case wxLOCALE_SHORT_DATE_FMT:
1593         case wxLOCALE_LONG_DATE_FMT:
1594         case wxLOCALE_DATE_TIME_FMT:
1595         case wxLOCALE_TIME_FMT:
1596             {
1597                 CFDateFormatterStyle dateStyle = kCFDateFormatterNoStyle;
1598                 CFDateFormatterStyle timeStyle = kCFDateFormatterNoStyle;
1599                 switch (index )
1600                 {
1601                     case wxLOCALE_SHORT_DATE_FMT:
1602                         dateStyle = kCFDateFormatterShortStyle;
1603                         break;
1604                     case wxLOCALE_LONG_DATE_FMT:
1605                         dateStyle = kCFDateFormatterFullStyle;
1606                         break;
1607                     case wxLOCALE_DATE_TIME_FMT:
1608                         dateStyle = kCFDateFormatterFullStyle;
1609                         timeStyle = kCFDateFormatterMediumStyle;
1610                         break;
1611                     case wxLOCALE_TIME_FMT:
1612                         timeStyle = kCFDateFormatterMediumStyle;
1613                         break;
1614                     default:
1615                         wxFAIL_MSG( "unexpected time locale" );
1616                         return wxString();
1617                 }
1618                 wxCFRef<CFDateFormatterRef> dateFormatter( CFDateFormatterCreate
1619                     (NULL, userLocaleRef, dateStyle, timeStyle));
1620                 wxCFStringRef cfs = wxCFRetain( CFDateFormatterGetFormat(dateFormatter ));
1621                 wxString format = TranslateFromUnicodeFormat(cfs.AsString());
1622                 // we always want full years
1623                 format.Replace("%y","%Y");
1624                 return format;
1625             }
1626             break;
1627
1628         default:
1629             wxFAIL_MSG( "Unknown locale info" );
1630             return wxString();
1631     }
1632
1633     wxCFStringRef str(wxCFRetain(cfstr));
1634     return str.AsString();
1635 }
1636
1637 #else // !__WINDOWS__ && !__WXOSX__, assume generic POSIX
1638
1639 namespace
1640 {
1641
1642 wxString GetDateFormatFromLangInfo(wxLocaleInfo index)
1643 {
1644 #ifdef HAVE_LANGINFO_H
1645     // array containing parameters for nl_langinfo() indexes by offset of index
1646     // from wxLOCALE_SHORT_DATE_FMT
1647     static const nl_item items[] =
1648     {
1649         D_FMT, D_T_FMT, D_T_FMT, T_FMT,
1650     };
1651
1652     const int nlidx = index - wxLOCALE_SHORT_DATE_FMT;
1653     if ( nlidx < 0 || nlidx >= (int)WXSIZEOF(items) )
1654     {
1655         wxFAIL_MSG( "logic error in GetInfo() code" );
1656         return wxString();
1657     }
1658
1659     const wxString fmt(nl_langinfo(items[nlidx]));
1660
1661     // just return the format returned by nl_langinfo() except for long date
1662     // format which we need to recover from date/time format ourselves (but not
1663     // if we failed completely)
1664     if ( fmt.empty() || index != wxLOCALE_LONG_DATE_FMT )
1665         return fmt;
1666
1667     // this is not 100% precise but the idea is that a typical date/time format
1668     // under POSIX systems is a combination of a long date format with time one
1669     // so we should be able to get just the long date format by removing all
1670     // time-specific format specifiers
1671     static const char *timeFmtSpecs = "HIklMpPrRsSTXzZ";
1672     static const char *timeSep = " :./-";
1673
1674     wxString fmtDateOnly;
1675     const wxString::const_iterator end = fmt.end();
1676     wxString::const_iterator lastSep = end;
1677     for ( wxString::const_iterator p = fmt.begin(); p != end; ++p )
1678     {
1679         if ( strchr(timeSep, *p) )
1680         {
1681             if ( lastSep == end )
1682                 lastSep = p;
1683
1684             // skip it for now, we'll discard it if it's followed by a time
1685             // specifier later or add it to fmtDateOnly if it is not
1686             continue;
1687         }
1688
1689         if ( *p == '%' &&
1690                 (p + 1 != end) && strchr(timeFmtSpecs, p[1]) )
1691         {
1692             // time specified found: skip it and any preceding separators
1693             ++p;
1694             lastSep = end;
1695             continue;
1696         }
1697
1698         if ( lastSep != end )
1699         {
1700             fmtDateOnly += wxString(lastSep, p);
1701             lastSep = end;
1702         }
1703
1704         fmtDateOnly += *p;
1705     }
1706
1707     return fmtDateOnly;
1708 #else // !HAVE_LANGINFO_H
1709     wxUnusedVar(index);
1710
1711     // no fallback, let the application deal with unavailability of
1712     // nl_langinfo() itself as there is no good way for us to do it (well, we
1713     // could try to reverse engineer the format from strftime() output but this
1714     // looks like too much trouble considering the relatively small number of
1715     // systems without nl_langinfo() still in use)
1716     return wxString();
1717 #endif // HAVE_LANGINFO_H/!HAVE_LANGINFO_H
1718 }
1719
1720 } // anonymous namespace
1721
1722 /* static */
1723 wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory cat)
1724 {
1725     lconv * const lc = localeconv();
1726     if ( !lc )
1727         return wxString();
1728
1729     switch ( index )
1730     {
1731         case wxLOCALE_THOUSANDS_SEP:
1732             if ( cat == wxLOCALE_CAT_NUMBER )
1733                 return lc->thousands_sep;
1734             else if ( cat == wxLOCALE_CAT_MONEY )
1735                 return lc->mon_thousands_sep;
1736
1737             wxFAIL_MSG( "invalid wxLocaleCategory" );
1738             break;
1739
1740
1741         case wxLOCALE_DECIMAL_POINT:
1742             if ( cat == wxLOCALE_CAT_NUMBER )
1743                 return lc->decimal_point;
1744             else if ( cat == wxLOCALE_CAT_MONEY )
1745                 return lc->mon_decimal_point;
1746
1747             wxFAIL_MSG( "invalid wxLocaleCategory" );
1748             break;
1749
1750         case wxLOCALE_SHORT_DATE_FMT:
1751         case wxLOCALE_LONG_DATE_FMT:
1752         case wxLOCALE_DATE_TIME_FMT:
1753         case wxLOCALE_TIME_FMT:
1754             if ( cat != wxLOCALE_CAT_DATE && cat != wxLOCALE_CAT_DEFAULT )
1755             {
1756                 wxFAIL_MSG( "invalid wxLocaleCategory" );
1757                 break;
1758             }
1759
1760             return GetDateFormatFromLangInfo(index);
1761
1762
1763         default:
1764             wxFAIL_MSG( "unknown wxLocaleInfo value" );
1765     }
1766
1767     return wxString();
1768 }
1769
1770 #endif // platform
1771
1772 // ----------------------------------------------------------------------------
1773 // global functions and variables
1774 // ----------------------------------------------------------------------------
1775
1776 // retrieve/change current locale
1777 // ------------------------------
1778
1779 // the current locale object
1780 static wxLocale *g_pLocale = NULL;
1781
1782 wxLocale *wxGetLocale()
1783 {
1784     return g_pLocale;
1785 }
1786
1787 wxLocale *wxSetLocale(wxLocale *pLocale)
1788 {
1789     wxLocale *pOld = g_pLocale;
1790     g_pLocale = pLocale;
1791     return pOld;
1792 }
1793
1794
1795
1796 // ----------------------------------------------------------------------------
1797 // wxLocale module (for lazy destruction of languagesDB)
1798 // ----------------------------------------------------------------------------
1799
1800 class wxLocaleModule: public wxModule
1801 {
1802     DECLARE_DYNAMIC_CLASS(wxLocaleModule)
1803     public:
1804         wxLocaleModule() {}
1805
1806         bool OnInit()
1807         {
1808             return true;
1809         }
1810
1811         void OnExit()
1812         {
1813             wxLocale::DestroyLanguagesDB();
1814         }
1815 };
1816
1817 IMPLEMENT_DYNAMIC_CLASS(wxLocaleModule, wxModule)
1818
1819 #endif // wxUSE_INTL