// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWidgets licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// Plural forms parser
// ----------------------------------------------------------------------------
-/*
+/*
Simplified Grammar
Expression:
MultiplicativeExpression ">=" MultiplicativeExpression
MultiplicativeExpression "<=" MultiplicativeExpression
MultiplicativeExpression
-
+
MultiplicativeExpression:
PmExpression '%' PmExpression
PmExpression
wxPluralFormsToken m_token;
wxPluralFormsNodePtr m_nodes[3];
};
-
+
wxPluralFormsNodePtr::~wxPluralFormsNodePtr()
{
delete m_p;
{
public:
wxPluralFormsCalculator() : m_nplurals(0), m_plural(0) {}
-
+
// input: number, returns msgstr index
int evaluate(int n) const;
void init(wxPluralFormsToken::Number nplurals, wxPluralFormsNode* plural);
wxString getString() const;
-
+
private:
wxPluralFormsToken::Number m_nplurals;
wxPluralFormsNodePtr m_plural;
wxPluralFormsScanner& m_scanner;
const wxPluralFormsToken& token() const;
bool nextToken();
-
+
wxPluralFormsNode* expression();
wxPluralFormsNode* logicalOrExpression();
wxPluralFormsNode* logicalAndExpression();
wxPluralFormsCalculatorPtr& rPluralFormsCalculator);
// fills the hash with string-translation pairs
- void FillHash(wxMessagesHash& hash, bool convertEncoding) const;
+ void FillHash(wxMessagesHash& hash, const wxString& msgIdCharset,
+ bool convertEncoding) const;
private:
// this implementation is binary compatible with GNU gettext() version 0.10
*m_pTransTable; // translated
wxString m_charset;
-
+
// swap the 2 halves of 32 bit integer if needed
size_t32 Swap(size_t32 ui) const
{
}
return (const char *)(m_pData + ofsString);
- }
+ }
bool m_bSwapped; // wrong endianness?
{
public:
// load the catalog from disk (szDirPrefix corresponds to language)
- bool Load(const wxChar *szDirPrefix, const wxChar *szName, bool bConvertEncoding = FALSE);
+ bool Load(const wxChar *szDirPrefix, const wxChar *szName,
+ const wxChar *msgIdCharset = NULL, bool bConvertEncoding = false);
// get name of the catalog
wxString GetName() const { return m_name; }
FIXME: UNICODE SUPPORT: must use CHARSET specifier!
*/
wxString szName = szName0;
- if(szName.Find(wxT('.')) != -1) // contains a dot
+ if(szName.Find(wxT('.')) != wxNOT_FOUND) // contains a dot
szName = szName.Left(szName.Find(wxT('.')));
wxString searchPath = GetFullSearchPath(szDirPrefix);
wxString strFullName;
if ( !wxFindFileInPath(&strFullName, searchPath, strFile) ) {
wxLogVerbose(_("catalog file for domain '%s' not found."), szName.c_str());
- return FALSE;
+ return false;
}
// open file
wxFile fileMsg(strFullName);
if ( !fileMsg.IsOpened() )
- return FALSE;
+ return false;
- // get the file size
- off_t nSize = fileMsg.Length();
+ // get the file size (assume it is less than 4Gb...)
+ size_t nSize = fileMsg.Length();
if ( nSize == wxInvalidOffset )
- return FALSE;
+ return false;
// read the whole file in memory
m_pData = new size_t8[nSize];
if ( fileMsg.Read(m_pData, nSize) != nSize ) {
wxDELETEA(m_pData);
- return FALSE;
+ return false;
}
// examine header
- bool bValid = (size_t)nSize > sizeof(wxMsgCatalogHeader);
+ bool bValid = nSize > sizeof(wxMsgCatalogHeader);
wxMsgCatalogHeader *pHeader = (wxMsgCatalogHeader *)m_pData;
if ( bValid ) {
wxLogWarning(_("'%s' is not a valid message catalog."), strFullName.c_str());
wxDELETEA(m_pData);
- return FALSE;
+ return false;
}
// initialize
m_pTransTable = (wxMsgTableEntry *)(m_pData +
Swap(pHeader->ofsTransTable));
m_nSize = nSize;
-
+
// now parse catalog's header and try to extract catalog charset and
// plural forms formula from it:
}
}
// else: incorrectly filled Content-Type header
-
+
// Extract plural forms:
begin = header.Find(wxT("Plural-Forms:"));
if (begin != wxNOT_FOUND)
return true;
}
-void wxMsgCatalogFile::FillHash(wxMessagesHash& hash, bool convertEncoding) const
+void wxMsgCatalogFile::FillHash(wxMessagesHash& hash,
+ const wxString& msgIdCharset,
+ bool convertEncoding) const
{
#if wxUSE_WCHAR_T
wxCSConv *csConv = NULL;
- if ( !!m_charset )
+ if ( !m_charset.IsEmpty() )
csConv = new wxCSConv(m_charset);
wxMBConv& inputConv = csConv ? *((wxMBConv*)csConv) : *wxConvCurrent;
+
+ wxCSConv *sourceConv = NULL;
+ if ( !msgIdCharset.empty() && (m_charset != msgIdCharset) )
+ sourceConv = new wxCSConv(msgIdCharset);
+
#elif wxUSE_FONTMAP
+ wxASSERT_MSG( msgIdCharset == NULL,
+ _T("non-ASCII msgid languages only supported if wxUSE_WCHAR_T=1") );
+
wxEncodingConverter converter;
if ( convertEncoding )
{
wxFontEncoding targetEnc = wxFONTENCODING_SYSTEM;
- wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(m_charset, FALSE);
+ wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(m_charset, false);
if ( enc == wxFONTENCODING_SYSTEM )
{
- convertEncoding = FALSE; // unknown encoding
+ convertEncoding = false; // unknown encoding
}
else
{
wxFontEncodingArray a = wxEncodingConverter::GetPlatformEquivalents(enc);
if (a[0] == enc)
// no conversion needed, locale uses native encoding
- convertEncoding = FALSE;
+ convertEncoding = false;
if (a.GetCount() == 0)
// we don't know common equiv. under this platform
- convertEncoding = FALSE;
+ convertEncoding = false;
targetEnc = a[0];
}
}
for (size_t i = 0; i < m_numStrings; i++)
{
const char *data = StringAtOfs(m_pOrigTable, i);
-#if wxUSE_WCHAR_T
+#if wxUSE_UNICODE
wxString msgid(data, inputConv);
#else
- wxString msgid(data);
+ wxString msgid;
+#if wxUSE_WCHAR_T
+ if ( convertEncoding && sourceConv )
+ msgid = wxString(inputConv.cMB2WC(data), *sourceConv);
+ else
#endif
+ msgid = data;
+#endif // wxUSE_UNICODE
data = StringAtOfs(m_pTransTable, i);
size_t length = Swap(m_pTransTable[i].nLen);
}
#if wxUSE_WCHAR_T
+ delete sourceConv;
delete csConv;
#endif
}
// ----------------------------------------------------------------------------
bool wxMsgCatalog::Load(const wxChar *szDirPrefix, const wxChar *szName,
- bool bConvertEncoding)
+ const wxChar *msgIdCharset, bool bConvertEncoding)
{
wxMsgCatalogFile file;
if ( file.Load(szDirPrefix, szName, m_pluralFormsCalculator) )
{
- file.FillHash(m_messages, bConvertEncoding);
- return TRUE;
+ file.FillHash(m_messages, msgIdCharset, bConvertEncoding);
+ return true;
}
- return FALSE;
+ return false;
}
const wxChar *wxMsgCatalog::GetString(const wxChar *sz, size_t n) const
{
wxASSERT_MSG( !m_initialized,
_T("you can't call wxLocale::Init more than once") );
-
+
m_initialized = true;
m_strLocale = szName;
m_strShort = szShort;
// the argument to setlocale()
szLocale = szShort;
- wxCHECK_MSG( szLocale, FALSE, _T("no locale to set in wxLocale::Init()") );
+ wxCHECK_MSG( szLocale, false, _T("no locale to set in wxLocale::Init()") );
}
#ifdef __WXWINCE__
256);
if (ret != 0)
{
- m_pszOldLocale = wxStrdup(localeName);
+ m_pszOldLocale = wxStrdup(localeName);
}
else
m_pszOldLocale = NULL;
// load the default catalog with wxWidgets standard messages
m_pMsgCat = NULL;
- bool bOk = TRUE;
+ bool bOk = true;
if ( bLoadDefault )
bOk = AddCatalog(wxT("wxstd"));
}
-#if defined(__UNIX__) && wxUSE_UNICODE
+#if defined(__UNIX__) && wxUSE_UNICODE && !defined(__WXMAC__)
static wxWCharBuffer wxSetlocaleTryUTF(int c, const wxChar *lc)
{
wxMB2WXbuf l = wxSetlocale(c, lc);
if ( !l && lc && lc[0] != 0 )
{
- wxString buf(lc);
+ wxString buf(lc);
wxString buf2;
- buf2 = buf + wxT(".UTF-8");
- l = wxSetlocale(c, buf2.c_str());
+ buf2 = buf + wxT(".UTF-8");
+ l = wxSetlocale(c, buf2.c_str());
if ( !l )
{
buf2 = buf + wxT(".utf-8");
- l = wxSetlocale(c, buf2.c_str());
+ l = wxSetlocale(c, buf2.c_str());
}
if ( !l )
{
buf2 = buf + wxT(".UTF8");
- l = wxSetlocale(c, buf2.c_str());
+ l = wxSetlocale(c, buf2.c_str());
}
if ( !l )
{
buf2 = buf + wxT(".utf8");
- l = wxSetlocale(c, buf2.c_str());
+ l = wxSetlocale(c, buf2.c_str());
}
}
return l;
// We failed to detect system language, so we will use English:
if (lang == wxLANGUAGE_UNKNOWN)
{
- return FALSE;
+ return false;
}
const wxLanguageInfo *info = GetLanguageInfo(lang);
if (info == NULL)
{
wxLogError(wxT("Unknown language %i."), lang);
- return FALSE;
+ return false;
}
wxString name = info->Description;
if ( !retloc )
{
wxLogError(wxT("Cannot set locale to '%s'."), locale.c_str());
- return FALSE;
+ return false;
}
#elif defined(__WIN32__)
// #ifdef SETLOCALE_FAILS_ON_UNICODE_LANGS bellow.
#define SETLOCALE_FAILS_ON_UNICODE_LANGS
#endif
-
+
+#if !wxUSE_UNICODE
+ const
+#endif
wxMB2WXbuf retloc = wxT("C");
if (language != wxLANGUAGE_DEFAULT)
{
}
else
{
- int codepage
+ int codepage
#ifdef SETLOCALE_FAILS_ON_UNICODE_LANGS
= -1
#endif
{
wxLogLastError(wxT("SetThreadLocale"));
wxLogError(wxT("Cannot set locale to language %s."), name.c_str());
- return FALSE;
+ return false;
}
else
{
if ( !retloc )
{
wxLogError(wxT("Cannot set locale to language %s."), name.c_str());
- return FALSE;
+ return false;
}
#elif defined(__WXMAC__) || defined(__WXPM__)
wxMB2WXbuf retloc = wxSetlocale(LC_ALL , wxEmptyString);
#else
- return FALSE;
+ return false;
#define WX_NO_LOCALE_SUPPORT
#endif
// this is a bit strange as under Windows we get the encoding name using its
// numeric value and under Unix we do it the other way round, but this just
-// reflects the way different systems provide he encoding info
+// reflects the way different systems provide the encoding info
/* static */
wxString wxLocale::GetSystemEncodingName()
// ISO-646, i.e. 7 bit ASCII
//
// and recent glibc call it ANSI_X3.4-1968...
- if ( strcmp(alang, "646") == 0 ||
- strcmp(alang, "ANSI_X3.4-1968") == 0 )
+ //
+ // HP-UX uses HP-Roman8 cset which is not the same as ASCII (see RFC
+ // 1345 for its definition) but must be recognized as otherwise HP
+ // users get a warning about it on each program startup, so handle it
+ // here -- but it would be obviously better to add real supprot to it,
+ // of course!
+ if ( strcmp(alang, "646") == 0
+ || strcmp(alang, "ANSI_X3.4-1968") == 0
+#ifdef __HPUX__
+ || strcmp(alang, "roman8") == 0
+#endif // __HPUX__
+ )
{
encname = _T("US-ASCII");
}
return wxFONTENCODING_CP950;
}
#elif defined(__WXMAC__)
- TextEncoding encoding = 0 ;
+ TextEncoding encoding = 0 ;
#if TARGET_CARBON
- encoding = CFStringGetSystemEncoding() ;
+ encoding = CFStringGetSystemEncoding() ;
#else
- UpgradeScriptInfoToTextEncoding ( smSystemScript , kTextLanguageDontCare , kTextRegionDontCare , NULL , &encoding ) ;
+ UpgradeScriptInfoToTextEncoding ( smSystemScript , kTextLanguageDontCare , kTextRegionDontCare , NULL , &encoding ) ;
#endif
return wxMacGetFontEncFromSystemEnc( encoding ) ;
#elif defined(__UNIX_LIKE__) && wxUSE_FONTMAP
if ( !encname.empty() )
{
wxFontEncoding enc = wxFontMapper::Get()->
- CharsetToEncoding(encname, FALSE /* not interactive */);
+ CharsetToEncoding(encname, false /* not interactive */);
// on some modern Linux systems (RedHat 8) the default system locale
// is UTF8 -- but it isn't supported by wxGTK in ANSI build at all so
{
CreateLanguagesDB();
+ // calling GetLanguageInfo(wxLANGUAGE_DEFAULT) is a natural thing to do, so
+ // make it work
+ if ( lang == wxLANGUAGE_DEFAULT )
+ lang = GetSystemLanguage();
+
const size_t count = ms_languagesDB->GetCount();
for ( size_t i = 0; i < count; i++ )
{
return pszTrans;
}
+wxString wxLocale::GetHeaderValue( const wxChar* szHeader,
+ const wxChar* szDomain ) const
+{
+ if ( wxIsEmpty(szHeader) )
+ return wxEmptyString;
+
+ wxChar const * pszTrans = NULL;
+ wxMsgCatalog *pMsgCat;
+
+ if ( szDomain != NULL )
+ {
+ pMsgCat = FindCatalog(szDomain);
+
+ // does the catalog exist?
+ if ( pMsgCat == NULL )
+ return wxEmptyString;
+
+ pszTrans = pMsgCat->GetString(wxT(""), (size_t)-1);
+ }
+ else
+ {
+ // search in all domains
+ for ( pMsgCat = m_pMsgCat; pMsgCat != NULL; pMsgCat = pMsgCat->m_pNext )
+ {
+ pszTrans = pMsgCat->GetString(wxT(""), (size_t)-1);
+ if ( pszTrans != NULL ) // take the first found
+ break;
+ }
+ }
+
+ if ( wxIsEmpty(pszTrans) )
+ return wxEmptyString;
+
+ wxChar const * pszFound = wxStrstr(pszTrans, szHeader);
+ if ( pszFound == NULL )
+ return wxEmptyString;
+
+ pszFound += wxStrlen(szHeader) + 2 /* ': ' */;
+
+ // Every header is separated by \n
+
+ wxChar const * pszEndLine = wxStrchr(pszFound, wxT('\n'));
+ if ( pszEndLine == NULL ) pszEndLine = pszFound + wxStrlen(pszFound);
+
+
+ // wxString( wxChar*, length);
+ wxString retVal( pszFound, pszEndLine - pszFound );
+
+ return retVal;
+}
+
+
// find catalog by name in a linked list, return NULL if !found
wxMsgCatalog *wxLocale::FindCatalog(const wxChar *szDomain) const
{
// add a catalog to our linked list
bool wxLocale::AddCatalog(const wxChar *szDomain)
+{
+ return AddCatalog(szDomain, wxLANGUAGE_ENGLISH, NULL);
+}
+
+// add a catalog to our linked list
+bool wxLocale::AddCatalog(const wxChar *szDomain,
+ wxLanguage msgIdLanguage,
+ const wxChar *msgIdCharset)
+
{
wxMsgCatalog *pMsgCat = new wxMsgCatalog;
- if ( pMsgCat->Load(m_strShort, szDomain, m_bConvertEncoding) ) {
+ if ( pMsgCat->Load(m_strShort, szDomain, msgIdCharset, m_bConvertEncoding) ) {
// add it to the head of the list so that in GetString it will
// be searched before the catalogs added earlier
pMsgCat->m_pNext = m_pMsgCat;
m_pMsgCat = pMsgCat;
- return TRUE;
+ return true;
}
else {
// don't add it because it couldn't be loaded anyway
delete pMsgCat;
- // it's OK to not load English catalog, the texts are embedded in
- // the program:
- if (m_strShort.Mid(0, 2) == wxT("en"))
- return TRUE;
+ // It is OK to not load catalog if the msgid language and m_language match,
+ // in which case we can directly display the texts embedded in program's
+ // source code:
+ if (m_language == msgIdLanguage)
+ return true;
- return FALSE;
+ // If there's no exact match, we may still get partial match where the
+ // (basic) language is same, but the country differs. For example, it's
+ // permitted to use en_US strings from sources even if m_language is en_GB:
+ const wxLanguageInfo *msgIdLangInfo = GetLanguageInfo(msgIdLanguage);
+ if ( msgIdLangInfo &&
+ msgIdLangInfo->CanonicalName.Mid(0, 2) == m_strShort.Mid(0, 2) )
+ {
+ return true;
+ }
+
+ return false;
}
}
default:
return wxEmptyString;
}
-}
+}
#endif // __WXMSW__/!__WXMSW__
DECLARE_DYNAMIC_CLASS(wxLocaleModule)
public:
wxLocaleModule() {}
- bool OnInit() { return TRUE; }
+ bool OnInit() { return true; }
void OnExit() { wxLocale::DestroyLanguagesDB(); }
};
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