intl.h

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    // for custom, user-defined languages:
    wxLANGUAGE_USER_DEFINED
};

// --- --- --- generated code ends here --- --- ---

// ----------------------------------------------------------------------------
// wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
//                 translation information
// ----------------------------------------------------------------------------

struct WXDLLIMPEXP_BASE wxLanguageInfo
{
    int Language;                   // wxLanguage id
    wxString CanonicalName;         // Canonical name, e.g. fr_FR
#ifdef __WIN32__
    wxUint32 WinLang,               // Win32 language identifiers
             WinSublang;
#endif // __WIN32__
    wxString Description;           // human-readable name of the language
};

// ----------------------------------------------------------------------------
// wxLocaleCategory: the category of locale settings
// ----------------------------------------------------------------------------

enum wxLocaleCategory
{
    // (any) numbers
    wxLOCALE_CAT_NUMBER,

    // date/time
    wxLOCALE_CAT_DATE,

    // monetary value
    wxLOCALE_CAT_MONEY,

    wxLOCALE_CAT_MAX
};

// ----------------------------------------------------------------------------
// wxLocaleInfo: the items understood by wxLocale::GetInfo()
// ----------------------------------------------------------------------------

enum wxLocaleInfo
{
    // the thounsands separator
    wxLOCALE_THOUSANDS_SEP,

    // the character used as decimal point
    wxLOCALE_DECIMAL_POINT

};

// ----------------------------------------------------------------------------
// wxLocale: encapsulates all language dependent settings, including current
//           message catalogs, date, time and currency formats (TODO) &c
// ----------------------------------------------------------------------------

enum wxLocaleInitFlags
{
    wxLOCALE_LOAD_DEFAULT  = 0x0001,     // load wxwin.mo?
    wxLOCALE_CONV_ENCODING = 0x0002      // convert encoding on the fly?
};

class WXDLLIMPEXP_BASE wxLocale
{
public:
    // ctor & dtor
    // -----------

        // call Init() if you use this ctor
    wxLocale() { DoCommonInit(); }

        // the ctor has a side effect of changing current locale
    wxLocale(const wxChar *szName,                               // name (for messages)
             const wxChar *szShort = (const wxChar *) NULL,      // dir prefix (for msg files)
             const wxChar *szLocale = (const wxChar *) NULL,     // locale (for setlocale)
             bool bLoadDefault = true,                           // preload wxstd.mo?
             bool bConvertEncoding = false)                      // convert Win<->Unix if necessary?
        {
            DoCommonInit();

            Init(szName, szShort, szLocale, bLoadDefault, bConvertEncoding);
        }

    wxLocale(int language, // wxLanguage id or custom language
             int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING)
        {
            DoCommonInit();

            Init(language, flags);
        }

        // the same as a function (returns true on success)
    bool Init(const wxChar *szName,
              const wxChar *szShort = (const wxChar *) NULL,
              const wxChar *szLocale = (const wxChar *) NULL,
              bool bLoadDefault = true,
              bool bConvertEncoding = false);

        // same as second ctor (returns true on success)
    bool Init(int language = wxLANGUAGE_DEFAULT,
              int flags = wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);

        // restores old locale
    ~wxLocale();

    // Try to get user's (or OS's) preferred language setting.
    // Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
    static int GetSystemLanguage();

    // get the encoding used by default for text on this system, returns
    // wxFONTENCODING_SYSTEM if it couldn't be determined
    static wxFontEncoding GetSystemEncoding();

    // get the string describing the system encoding, return empty string if
    // couldn't be determined
    static wxString GetSystemEncodingName();

    // get the values of the given locale-dependent datum: the current locale
    // is used, the US default value is returned if everything else fails
    static wxString GetInfo(wxLocaleInfo index, wxLocaleCategory cat);

    // return true if the locale was set successfully
    bool IsOk() const { return m_pszOldLocale != NULL; }

    // returns locale name
    const wxChar *GetLocale() const { return m_strLocale; }

    // return current locale wxLanguage value
    int GetLanguage() const { return m_language; }

    // return locale name to be passed to setlocale()
    wxString GetSysName() const;

    // return 'canonical' name, i.e. in the form of xx[_YY], where xx is
    // language code according to ISO 639 and YY is country name
    // as specified by ISO 3166.
    wxString GetCanonicalName() const { return m_strShort; }

    // add a prefix to the catalog lookup path: the message catalog files will be
    // looked up under prefix/<lang>/LC_MESSAGES, prefix/LC_MESSAGES and prefix
    // (in this order).
    //
    // This only applies to subsequent invocations of AddCatalog()!
    static void AddCatalogLookupPathPrefix(const wxString& prefix);

    // add a catalog: it's searched for in standard places (current directory
    // first, system one after), but the you may prepend additional directories to
    // the search path with AddCatalogLookupPathPrefix().
    //
    // The loaded catalog will be used for message lookup by GetString().
    //
    // Returns 'true' if it was successfully loaded
    bool AddCatalog(const wxChar *szDomain);
    bool AddCatalog(const wxChar *szDomain,
                    wxLanguage msgIdLanguage, const wxChar *msgIdCharset);

    // check if the given catalog is loaded
    bool IsLoaded(const wxChar *szDomain) const;

    // Retrieve the language info struct for the given language
    //
    // Returns NULL if no info found, pointer must *not* be deleted by caller
    static const wxLanguageInfo *GetLanguageInfo(int lang);

    // Returns language name in English or empty string if the language
    // is not in database
    static wxString GetLanguageName(int lang);

    // Find the language for the given locale string which may be either a
    // canonical ISO 2 letter language code ("xx"), a language code followed by
    // the country code ("xx_XX") or a Windows full language name ("Xxxxx...")
    //
    // Returns NULL if no info found, pointer must *not* be deleted by caller
    static const wxLanguageInfo *FindLanguageInfo(const wxString& locale);

    // Add custom language to the list of known languages.
    // Notes: 1) wxLanguageInfo contains platform-specific data
    //        2) must be called before Init to have effect
    static void AddLanguage(const wxLanguageInfo& info);

    // retrieve the translation for a string in all loaded domains unless
    // the szDomain parameter is specified (and then only this domain is
    // searched)
    // n - additional parameter for PluralFormsParser
    //
    // return original string if translation is not available
    // (in this case an error message is generated the first time
    //  a string is not found; use wxLogNull to suppress it)
    //
    // domains are searched in the last to first order, i.e. catalogs
    // added later override those added before.
    const wxChar *GetString(const wxChar *szOrigString,
                            const wxChar *szDomain = NULL) const;
    // plural form version of the same:
    const wxChar *GetString(const wxChar *szOrigString,
                            const wxChar *szOrigString2,
                            size_t n,
                            const wxChar *szDomain = NULL) const;

    // Returns the current short name for the locale
    const wxString& GetName() const { return m_strShort; }

    // return the contents of .po file header
    wxString GetHeaderValue( const wxChar* szHeader,
                             const wxChar* szDomain = NULL ) const;

    // These two methods are for internal use only. First one creates
    // ms_languagesDB if it doesn't already exist, second one destroys
    // it.
    static void CreateLanguagesDB();
    static void DestroyLanguagesDB();

private:
    // find catalog by name in a linked list, return NULL if !found
    wxMsgCatalog  *FindCatalog(const wxChar *szDomain) const;

    // copy default table of languages from global static array to
    // m_langugagesInfo, called by InitLanguagesDB
    static void InitLanguagesDB();

    // initialize the member fields to default values
    void DoCommonInit();

    wxString       m_strLocale,       // this locale name
                   m_strShort;        // short name for the locale
    int            m_language;        // this locale wxLanguage value

    const wxChar  *m_pszOldLocale;    // previous locale from setlocale()
    wxLocale      *m_pOldLocale;      // previous wxLocale

    wxMsgCatalog  *m_pMsgCat;         // pointer to linked list of catalogs

    bool           m_bConvertEncoding;

    bool           m_initialized;

    static wxLanguageInfoArray *ms_languagesDB;

    DECLARE_NO_COPY_CLASS(wxLocale)
};

// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------

// get the current locale object (note that it may be NULL!)
extern WXDLLIMPEXP_BASE wxLocale* wxGetLocale();

// get the translation of the string in the current locale
inline const wxChar *wxGetTranslation(const wxChar *sz)
{
    wxLocale *pLoc = wxGetLocale();
    if (pLoc)
        return pLoc->GetString(sz);
    else
        return sz;
}
inline const wxChar *wxGetTranslation(const wxChar *sz1, const wxChar *sz2,
                                      size_t n)
{
    wxLocale *pLoc = wxGetLocale();
    if (pLoc)
        return pLoc->GetString(sz1, sz2, n);
    else
        return n == 1 ? sz1 : sz2;
}

#else // !wxUSE_INTL

// the macros should still be defined - otherwise compilation would fail

#if !defined(WXINTL_NO_GETTEXT_MACRO)
    #if !defined(_)
        #define _(s)                 (_T(s))
    #endif
#endif

#define wxTRANSLATE(str) _T(str)

// Note: use of 'inline' here can cause this symbol not to be found when compiled with gcc
//const wxChar *wxGetTranslation(const wxChar *sz);
#define wxGetTranslation(sz) (sz)

#endif // wxUSE_INTL/!wxUSE_INTL

// define this one just in case it occurs somewhere (instead of preferred
// wxTRANSLATE) too
#if !defined(WXINTL_NO_GETTEXT_MACRO)
    #if !defined(gettext_noop)
        #define gettext_noop(str) _T(str)
    #endif
    #if !defined(N_)
        #define N_(s)             _T(s)
    #endif
#endif

#endif // _WX_INTL_H_