1 /////////////////////////////////////////////////////////////////////////////
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 - plural forms support)
9 // Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
10 // Licence: wxWindows licence
11 /////////////////////////////////////////////////////////////////////////////
17 #include "wx/string.h"
19 // Make wxLayoutDirection enum available without need for wxUSE_INTL so wxWindow, wxApp
20 // and other classes are not distrubed by wxUSE_INTL
22 enum wxLayoutDirection
31 #include "wx/fontenc.h"
33 // ============================================================================
35 // ============================================================================
37 // ----------------------------------------------------------------------------
39 // ----------------------------------------------------------------------------
41 // gettext() style macros (notice that xgettext should be invoked with
42 // --keyword="_" --keyword="wxPLURAL:1,2" options
43 // to extract the strings from the sources)
44 #ifndef WXINTL_NO_GETTEXT_MACRO
45 #define _(s) wxGetTranslation(_T(s))
46 #define wxPLURAL(sing, plur, n) wxGetTranslation(_T(sing), _T(plur), n)
49 // another one which just marks the strings for extraction, but doesn't
50 // perform the translation (use -kwxTRANSLATE with xgettext!)
51 #define wxTRANSLATE(str) _T(str)
53 // ----------------------------------------------------------------------------
55 // ----------------------------------------------------------------------------
57 class WXDLLIMPEXP_BASE wxLocale
;
58 class WXDLLIMPEXP_BASE wxLanguageInfoArray
;
61 // ============================================================================
63 // ============================================================================
65 // ----------------------------------------------------------------------------
66 // wxLanguage: defines all supported languages
67 // ----------------------------------------------------------------------------
69 // --- --- --- generated code begins here --- --- ---
71 // This enum is generated by misc/languages/genlang.py
72 // When making changes, please put them into misc/languages/langtabl.txt
75 // user's default/preffered language as got from OS:
77 // unknown language, if wxLocale::GetSystemLanguage fails:
86 wxLANGUAGE_ARABIC_ALGERIA
,
87 wxLANGUAGE_ARABIC_BAHRAIN
,
88 wxLANGUAGE_ARABIC_EGYPT
,
89 wxLANGUAGE_ARABIC_IRAQ
,
90 wxLANGUAGE_ARABIC_JORDAN
,
91 wxLANGUAGE_ARABIC_KUWAIT
,
92 wxLANGUAGE_ARABIC_LEBANON
,
93 wxLANGUAGE_ARABIC_LIBYA
,
94 wxLANGUAGE_ARABIC_MOROCCO
,
95 wxLANGUAGE_ARABIC_OMAN
,
96 wxLANGUAGE_ARABIC_QATAR
,
97 wxLANGUAGE_ARABIC_SAUDI_ARABIA
,
98 wxLANGUAGE_ARABIC_SUDAN
,
99 wxLANGUAGE_ARABIC_SYRIA
,
100 wxLANGUAGE_ARABIC_TUNISIA
,
101 wxLANGUAGE_ARABIC_UAE
,
102 wxLANGUAGE_ARABIC_YEMEN
,
107 wxLANGUAGE_AZERI_CYRILLIC
,
108 wxLANGUAGE_AZERI_LATIN
,
111 wxLANGUAGE_BELARUSIAN
,
117 wxLANGUAGE_BULGARIAN
,
119 wxLANGUAGE_CAMBODIAN
,
122 wxLANGUAGE_CHINESE_SIMPLIFIED
,
123 wxLANGUAGE_CHINESE_TRADITIONAL
,
124 wxLANGUAGE_CHINESE_HONGKONG
,
125 wxLANGUAGE_CHINESE_MACAU
,
126 wxLANGUAGE_CHINESE_SINGAPORE
,
127 wxLANGUAGE_CHINESE_TAIWAN
,
133 wxLANGUAGE_DUTCH_BELGIAN
,
135 wxLANGUAGE_ENGLISH_UK
,
136 wxLANGUAGE_ENGLISH_US
,
137 wxLANGUAGE_ENGLISH_AUSTRALIA
,
138 wxLANGUAGE_ENGLISH_BELIZE
,
139 wxLANGUAGE_ENGLISH_BOTSWANA
,
140 wxLANGUAGE_ENGLISH_CANADA
,
141 wxLANGUAGE_ENGLISH_CARIBBEAN
,
142 wxLANGUAGE_ENGLISH_DENMARK
,
143 wxLANGUAGE_ENGLISH_EIRE
,
144 wxLANGUAGE_ENGLISH_JAMAICA
,
145 wxLANGUAGE_ENGLISH_NEW_ZEALAND
,
146 wxLANGUAGE_ENGLISH_PHILIPPINES
,
147 wxLANGUAGE_ENGLISH_SOUTH_AFRICA
,
148 wxLANGUAGE_ENGLISH_TRINIDAD
,
149 wxLANGUAGE_ENGLISH_ZIMBABWE
,
150 wxLANGUAGE_ESPERANTO
,
157 wxLANGUAGE_FRENCH_BELGIAN
,
158 wxLANGUAGE_FRENCH_CANADIAN
,
159 wxLANGUAGE_FRENCH_LUXEMBOURG
,
160 wxLANGUAGE_FRENCH_MONACO
,
161 wxLANGUAGE_FRENCH_SWISS
,
166 wxLANGUAGE_GERMAN_AUSTRIAN
,
167 wxLANGUAGE_GERMAN_BELGIUM
,
168 wxLANGUAGE_GERMAN_LIECHTENSTEIN
,
169 wxLANGUAGE_GERMAN_LUXEMBOURG
,
170 wxLANGUAGE_GERMAN_SWISS
,
172 wxLANGUAGE_GREENLANDIC
,
178 wxLANGUAGE_HUNGARIAN
,
179 wxLANGUAGE_ICELANDIC
,
180 wxLANGUAGE_INDONESIAN
,
181 wxLANGUAGE_INTERLINGUA
,
182 wxLANGUAGE_INTERLINGUE
,
183 wxLANGUAGE_INUKTITUT
,
187 wxLANGUAGE_ITALIAN_SWISS
,
192 wxLANGUAGE_KASHMIRI_INDIA
,
195 wxLANGUAGE_KINYARWANDA
,
205 wxLANGUAGE_LITHUANIAN
,
206 wxLANGUAGE_MACEDONIAN
,
209 wxLANGUAGE_MALAYALAM
,
210 wxLANGUAGE_MALAY_BRUNEI_DARUSSALAM
,
211 wxLANGUAGE_MALAY_MALAYSIA
,
216 wxLANGUAGE_MOLDAVIAN
,
217 wxLANGUAGE_MONGOLIAN
,
220 wxLANGUAGE_NEPALI_INDIA
,
221 wxLANGUAGE_NORWEGIAN_BOKMAL
,
222 wxLANGUAGE_NORWEGIAN_NYNORSK
,
228 wxLANGUAGE_PORTUGUESE
,
229 wxLANGUAGE_PORTUGUESE_BRAZILIAN
,
232 wxLANGUAGE_RHAETO_ROMANCE
,
235 wxLANGUAGE_RUSSIAN_UKRAINE
,
239 wxLANGUAGE_SCOTS_GAELIC
,
241 wxLANGUAGE_SERBIAN_CYRILLIC
,
242 wxLANGUAGE_SERBIAN_LATIN
,
243 wxLANGUAGE_SERBO_CROATIAN
,
248 wxLANGUAGE_SINHALESE
,
251 wxLANGUAGE_SLOVENIAN
,
254 wxLANGUAGE_SPANISH_ARGENTINA
,
255 wxLANGUAGE_SPANISH_BOLIVIA
,
256 wxLANGUAGE_SPANISH_CHILE
,
257 wxLANGUAGE_SPANISH_COLOMBIA
,
258 wxLANGUAGE_SPANISH_COSTA_RICA
,
259 wxLANGUAGE_SPANISH_DOMINICAN_REPUBLIC
,
260 wxLANGUAGE_SPANISH_ECUADOR
,
261 wxLANGUAGE_SPANISH_EL_SALVADOR
,
262 wxLANGUAGE_SPANISH_GUATEMALA
,
263 wxLANGUAGE_SPANISH_HONDURAS
,
264 wxLANGUAGE_SPANISH_MEXICAN
,
265 wxLANGUAGE_SPANISH_MODERN
,
266 wxLANGUAGE_SPANISH_NICARAGUA
,
267 wxLANGUAGE_SPANISH_PANAMA
,
268 wxLANGUAGE_SPANISH_PARAGUAY
,
269 wxLANGUAGE_SPANISH_PERU
,
270 wxLANGUAGE_SPANISH_PUERTO_RICO
,
271 wxLANGUAGE_SPANISH_URUGUAY
,
272 wxLANGUAGE_SPANISH_US
,
273 wxLANGUAGE_SPANISH_VENEZUELA
,
274 wxLANGUAGE_SUNDANESE
,
277 wxLANGUAGE_SWEDISH_FINLAND
,
292 wxLANGUAGE_UKRAINIAN
,
294 wxLANGUAGE_URDU_INDIA
,
295 wxLANGUAGE_URDU_PAKISTAN
,
297 wxLANGUAGE_UZBEK_CYRILLIC
,
298 wxLANGUAGE_UZBEK_LATIN
,
299 wxLANGUAGE_VIETNAMESE
,
309 // for custom, user-defined languages:
310 wxLANGUAGE_USER_DEFINED
313 // --- --- --- generated code ends here --- --- ---
315 // ----------------------------------------------------------------------------
316 // wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
317 // translation information
318 // ----------------------------------------------------------------------------
320 struct WXDLLIMPEXP_BASE wxLanguageInfo
322 int Language
; // wxLanguage id
323 wxString CanonicalName
; // Canonical name, e.g. fr_FR
325 wxUint32 WinLang
, // Win32 language identifiers
328 wxString Description
; // human-readable name of the language
329 wxLayoutDirection LayoutDirection
;
332 // ----------------------------------------------------------------------------
333 // wxLocaleCategory: the category of locale settings
334 // ----------------------------------------------------------------------------
336 enum wxLocaleCategory
350 // ----------------------------------------------------------------------------
351 // wxLocaleInfo: the items understood by wxLocale::GetInfo()
352 // ----------------------------------------------------------------------------
356 // the thounsands separator
357 wxLOCALE_THOUSANDS_SEP
,
359 // the character used as decimal point
360 wxLOCALE_DECIMAL_POINT
364 // ----------------------------------------------------------------------------
365 // wxLocale: encapsulates all language dependent settings, including current
366 // message catalogs, date, time and currency formats (TODO) &c
367 // ----------------------------------------------------------------------------
369 enum wxLocaleInitFlags
371 wxLOCALE_LOAD_DEFAULT
= 0x0001, // load wxwin.mo?
372 wxLOCALE_CONV_ENCODING
= 0x0002 // convert encoding on the fly?
375 class WXDLLIMPEXP_BASE wxLocale
381 // call Init() if you use this ctor
382 wxLocale() { DoCommonInit(); }
384 // the ctor has a side effect of changing current locale
385 wxLocale(const wxString
& name
, // name (for messages)
386 const wxString
& shortName
= wxEmptyString
, // dir prefix (for msg files)
387 const wxString
& locale
= wxEmptyString
, // locale (for setlocale)
388 bool bLoadDefault
= true, // preload wxstd.mo?
389 bool bConvertEncoding
= false) // convert Win<->Unix if necessary?
393 Init(name
, shortName
, locale
, bLoadDefault
, bConvertEncoding
);
396 wxLocale(int language
, // wxLanguage id or custom language
397 int flags
= wxLOCALE_LOAD_DEFAULT
| wxLOCALE_CONV_ENCODING
)
401 Init(language
, flags
);
404 // the same as a function (returns true on success)
405 bool Init(const wxString
& name
,
406 const wxString
& shortName
= wxEmptyString
,
407 const wxString
& locale
= wxEmptyString
,
408 bool bLoadDefault
= true,
409 bool bConvertEncoding
= false);
411 // same as second ctor (returns true on success)
412 bool Init(int language
= wxLANGUAGE_DEFAULT
,
413 int flags
= wxLOCALE_LOAD_DEFAULT
| wxLOCALE_CONV_ENCODING
);
415 // restores old locale
418 // Try to get user's (or OS's) preferred language setting.
419 // Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
420 static int GetSystemLanguage();
422 // get the encoding used by default for text on this system, returns
423 // wxFONTENCODING_SYSTEM if it couldn't be determined
424 static wxFontEncoding
GetSystemEncoding();
426 // get the string describing the system encoding, return empty string if
427 // couldn't be determined
428 static wxString
GetSystemEncodingName();
430 // get the values of the given locale-dependent datum: the current locale
431 // is used, the US default value is returned if everything else fails
432 static wxString
GetInfo(wxLocaleInfo index
, wxLocaleCategory cat
);
434 // return true if the locale was set successfully
435 bool IsOk() const { return m_pszOldLocale
!= NULL
; }
437 // returns locale name
438 const wxString
& GetLocale() const { return m_strLocale
; }
440 // return current locale wxLanguage value
441 int GetLanguage() const { return m_language
; }
443 // return locale name to be passed to setlocale()
444 wxString
GetSysName() const;
446 // return 'canonical' name, i.e. in the form of xx[_YY], where xx is
447 // language code according to ISO 639 and YY is country name
448 // as specified by ISO 3166.
449 wxString
GetCanonicalName() const { return m_strShort
; }
451 // add a prefix to the catalog lookup path: the message catalog files will be
452 // looked up under prefix/<lang>/LC_MESSAGES, prefix/LC_MESSAGES and prefix
455 // This only applies to subsequent invocations of AddCatalog()!
456 static void AddCatalogLookupPathPrefix(const wxString
& prefix
);
458 // add a catalog: it's searched for in standard places (current directory
459 // first, system one after), but the you may prepend additional directories to
460 // the search path with AddCatalogLookupPathPrefix().
462 // The loaded catalog will be used for message lookup by GetString().
464 // Returns 'true' if it was successfully loaded
465 bool AddCatalog(const wxString
& domain
);
466 bool AddCatalog(const wxString
& domain
,
467 wxLanguage msgIdLanguage
, const wxString
& msgIdCharset
);
469 // check if the given locale is provided by OS and C run time
470 static bool IsAvailable(int lang
);
472 // check if the given catalog is loaded
473 bool IsLoaded(const wxString
& domain
) const;
475 // Retrieve the language info struct for the given language
477 // Returns NULL if no info found, pointer must *not* be deleted by caller
478 static const wxLanguageInfo
*GetLanguageInfo(int lang
);
480 // Returns language name in English or empty string if the language
481 // is not in database
482 static wxString
GetLanguageName(int lang
);
484 // Find the language for the given locale string which may be either a
485 // canonical ISO 2 letter language code ("xx"), a language code followed by
486 // the country code ("xx_XX") or a Windows full language name ("Xxxxx...")
488 // Returns NULL if no info found, pointer must *not* be deleted by caller
489 static const wxLanguageInfo
*FindLanguageInfo(const wxString
& locale
);
491 // Add custom language to the list of known languages.
492 // Notes: 1) wxLanguageInfo contains platform-specific data
493 // 2) must be called before Init to have effect
494 static void AddLanguage(const wxLanguageInfo
& info
);
496 // retrieve the translation for a string in all loaded domains unless
497 // the szDomain parameter is specified (and then only this domain is
499 // n - additional parameter for PluralFormsParser
501 // return original string if translation is not available
502 // (in this case an error message is generated the first time
503 // a string is not found; use wxLogNull to suppress it)
505 // domains are searched in the last to first order, i.e. catalogs
506 // added later override those added before.
507 virtual const wxString
& GetString(const wxString
& origString
,
508 const wxString
& domain
= wxEmptyString
) const;
509 // plural form version of the same:
510 virtual const wxString
& GetString(const wxString
& origString
,
511 const wxString
& origString2
,
513 const wxString
& domain
= wxEmptyString
) const;
515 // this is hack to work around a problem with wxGetTranslation() which
516 // returns const wxString& and not wxString, so when it returns untranslated
517 // string, it needs to have a copy of it somewhere
518 static const wxString
& GetUntranslatedString(const wxString
& str
);
520 // Returns the current short name for the locale
521 const wxString
& GetName() const { return m_strShort
; }
523 // return the contents of .po file header
524 wxString
GetHeaderValue(const wxString
& header
,
525 const wxString
& domain
= wxEmptyString
) const;
527 // These two methods are for internal use only. First one creates
528 // ms_languagesDB if it doesn't already exist, second one destroys
530 static void CreateLanguagesDB();
531 static void DestroyLanguagesDB();
534 // find catalog by name in a linked list, return NULL if !found
535 wxMsgCatalog
*FindCatalog(const wxString
& domain
) const;
537 // copy default table of languages from global static array to
538 // m_langugagesInfo, called by InitLanguagesDB
539 static void InitLanguagesDB();
541 // initialize the member fields to default values
544 wxString m_strLocale
, // this locale name
545 m_strShort
; // short name for the locale
546 int m_language
; // this locale wxLanguage value
548 const wxChar
*m_pszOldLocale
; // previous locale from setlocale()
549 wxLocale
*m_pOldLocale
; // previous wxLocale
551 wxMsgCatalog
*m_pMsgCat
; // pointer to linked list of catalogs
553 bool m_bConvertEncoding
;
557 static wxLanguageInfoArray
*ms_languagesDB
;
559 DECLARE_NO_COPY_CLASS(wxLocale
)
562 // ----------------------------------------------------------------------------
564 // ----------------------------------------------------------------------------
566 // get the current locale object (note that it may be NULL!)
567 extern WXDLLIMPEXP_BASE wxLocale
* wxGetLocale();
569 // get the translation of the string in the current locale
570 inline const wxString
& wxGetTranslation(const wxString
& str
,
571 const wxString
& domain
= wxEmptyString
)
573 wxLocale
*pLoc
= wxGetLocale();
575 return pLoc
->GetString(str
, domain
);
577 // NB: this function returns reference to a string, so we have to keep
578 // a copy of it somewhere
579 return wxLocale::GetUntranslatedString(str
);
581 inline const wxString
& wxGetTranslation(const wxString
& str1
,
582 const wxString
& str2
,
584 const wxString
& domain
= wxEmptyString
)
586 wxLocale
*pLoc
= wxGetLocale();
588 return pLoc
->GetString(str1
, str2
, n
, domain
);
590 // NB: this function returns reference to a string, so we have to keep
591 // a copy of it somewhere
593 ? wxLocale::GetUntranslatedString(str1
)
594 : wxLocale::GetUntranslatedString(str2
);
599 // the macros should still be defined - otherwise compilation would fail
601 #if !defined(WXINTL_NO_GETTEXT_MACRO)
605 #define wxPLURAL(sing, plur, n) ((n) == 1 ? _T(sing) : _T(plur))
608 #define wxTRANSLATE(str) _T(str)
610 // NB: we use a template here in order to avoid using
611 // wxLocale::GetUntranslatedString() above, which would be required if
612 // we returned const wxString&; this way, the compiler should be able to
613 // optimize wxGetTranslation() away
615 template<typename TString
>
616 inline TString
wxGetTranslation(TString str
)
619 template<typename TString
, typename TDomain
>
620 inline TString
wxGetTranslation(TString str
, TDomain
WXUNUSED(domain
))
623 template<typename TString
, typename TDomain
>
624 inline TString
wxGetTranslation(TString str1
, TString str2
, size_t n
)
625 { return n
== 1 ? str1
: str2
; }
627 template<typename TString
, typename TDomain
>
628 inline TString
wxGetTranslation(TString str1
, TString str2
, size_t n
,
629 TDomain
WXUNUSED(domain
))
630 { return n
== 1 ? str1
: str2
; }
632 #endif // wxUSE_INTL/!wxUSE_INTL
634 // define this one just in case it occurs somewhere (instead of preferred
636 #if !defined(WXINTL_NO_GETTEXT_MACRO)
637 #if !defined(gettext_noop)
638 #define gettext_noop(str) _T(str)
645 #endif // _WX_INTL_H_