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Diffstat (limited to 'sal/osl/w32/nlsupport.c')
| -rw-r--r-- | sal/osl/w32/nlsupport.c | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/sal/osl/w32/nlsupport.c b/sal/osl/w32/nlsupport.c new file mode 100644 index 000000000000..ad9de5f8492c --- /dev/null +++ b/sal/osl/w32/nlsupport.c @@ -0,0 +1,231 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#define UNICODE +#ifdef _MSC_VER +#pragma warning(push,1) /* disable warnings within system headers */ +#endif +#include <windows.h> +#ifdef _MSC_VER +#pragma warning(pop) +#endif +#include <wchar.h> + +#include <osl/mutex.h> +#include <osl/nlsupport.h> +#include <osl/diagnose.h> +#include <osl/process.h> +#include <rtl/tencinfo.h> + +struct EnumLocalesParams +{ + WCHAR Language[3]; + WCHAR Country[3]; + LCID Locale; +}; + +static DWORD g_dwTLSLocaleEncId = (DWORD) -1; + +/*****************************************************************************/ +/* callback function test +/* +/* osl_getTextEncodingFromLocale calls EnumSystemLocalesA, so that we don't +/* need to provide a unicode wrapper for this function under Win9x +/* that means the callback function has an ansi prototype and receives +/* the locale strings as ansi strings +/*****************************************************************************/ + +BOOL CALLBACK EnumLocalesProcA( LPSTR lpLocaleStringA ) +{ + struct EnumLocalesParams * params; + + LCID localeId; + LPSTR pszEndA; + + WCHAR langCode[4]; + + /* convert hex-string to LCID */ + localeId = strtol( lpLocaleStringA, &pszEndA, 16 ); + + /* check params received via TLS */ + params = (struct EnumLocalesParams *) TlsGetValue( g_dwTLSLocaleEncId ); + if( NULL == params || '\0' == params->Language[0] ) + return FALSE; + + /* + get the ISO language code for this locale + + remeber: we call the GetLocaleInfoW function + because the ansi version of this function returns + an error under WinNT/2000 when called with an + unicode only lcid + */ + if( GetLocaleInfo( localeId, LOCALE_SISO639LANGNAME , langCode, 4 ) ) + { + WCHAR ctryCode[4]; + + /* continue if language code does not match */ + if( 0 != wcscmp( langCode, params->Language ) ) + return TRUE; + + /* check if country code is set and equals the current locale */ + if( '\0' != params->Country[0] && GetLocaleInfo( localeId, LOCALE_SISO3166CTRYNAME , ctryCode, 4 ) ) + { + /* save return value in TLS and break if found desired locale */ + if( 0 == wcscmp( ctryCode, params->Country ) ) + { + params->Locale = localeId; + return FALSE; + } + } + else + { + /* fill with default values for that language */ + LANGID langId = LANGIDFROMLCID( localeId ); + + /* exchange sublanguage with SUBLANG_NEUTRAL */ + langId = MAKELANGID( PRIMARYLANGID( langId ), SUBLANG_NEUTRAL ); + + /* and use default sorting order */ + params->Locale = MAKELCID( langId, SORT_DEFAULT ); + + return FALSE; + } + } + + /* retry by going on */ + return TRUE; +} + + +/*****************************************************************************/ +/* GetTextEncodingFromLCID +/*****************************************************************************/ + +rtl_TextEncoding GetTextEncodingFromLCID( LCID localeId ) +{ + rtl_TextEncoding Encoding = RTL_TEXTENCODING_DONTKNOW; + WCHAR ansiCP[6]; + + /* query ansi codepage for given locale */ + if( localeId && GetLocaleInfo( localeId, LOCALE_IDEFAULTANSICODEPAGE, ansiCP, 6 ) ) + { + /* if GetLocaleInfo returns "0", it is a UNICODE only locale */ + if( 0 != wcscmp( ansiCP, L"0" ) ) + { + WCHAR *pwcEnd; + UINT codepage; + + /* values returned from GetLocaleInfo are dezimal based */ + codepage = wcstol( ansiCP, &pwcEnd, 10 ); + + /* find matching rtl encoding */ + Encoding = rtl_getTextEncodingFromWindowsCodePage( codepage ); + } + else + Encoding = RTL_TEXTENCODING_UNICODE; + } + + return Encoding; +} + + +/*****************************************************************************/ +/* osl_getTextEncodingFromLocale +/*****************************************************************************/ + +rtl_TextEncoding SAL_CALL osl_getTextEncodingFromLocale( rtl_Locale * pLocale ) +{ + struct EnumLocalesParams params = { L"", L"", 0 }; + + /* initialise global TLS id */ + if( (DWORD) -1 == g_dwTLSLocaleEncId ) + { + oslMutex globalMutex = * osl_getGlobalMutex(); + + /* initializing must be thread save */ + osl_acquireMutex( globalMutex ); + + if( (DWORD) -1 == g_dwTLSLocaleEncId ) + g_dwTLSLocaleEncId = TlsAlloc(); + + osl_releaseMutex( globalMutex ); + } + + /* if pLocale is NULL, use process locale as default */ + if( NULL == pLocale ) + osl_getProcessLocale( &pLocale ); + + /* copy in parameters to structure */ + if( pLocale && pLocale->Language ) + { + wcscpy( params.Language, pLocale->Language->buffer ); + + if( pLocale->Country ) + wcscpy( params.Country, pLocale->Country->buffer ); + + /* save pointer to local structure in TLS */ + TlsSetValue( g_dwTLSLocaleEncId, ¶ms ); + + /* enum all locales known to Windows */ + EnumSystemLocalesA( EnumLocalesProcA, LCID_SUPPORTED ); + + /* use the LCID found in iteration */ + return GetTextEncodingFromLCID( params.Locale ); + } + + return RTL_TEXTENCODING_DONTKNOW; +} + +/*****************************************************************************/ +/* imp_getProcessLocale +/*****************************************************************************/ + +void _imp_getProcessLocale( rtl_Locale ** ppLocale ) +{ + WCHAR langCode[4]; + WCHAR ctryCode[4]; + LCID localeId; + + OSL_ASSERT( ppLocale ); + + /* get the LCID to retrieve information from */ + localeId = GetUserDefaultLCID(); + + /* call GetLocaleInfo to retrieve the iso codes */ + if( GetLocaleInfo( localeId, LOCALE_SISO639LANGNAME , langCode, 4 ) && + GetLocaleInfo( localeId, LOCALE_SISO3166CTRYNAME , ctryCode, 4 ) ) + { + *ppLocale = rtl_locale_register( langCode, ctryCode, L"" ); + } + else + { + *ppLocale = rtl_locale_register( L"C", L"", L"" ); + } +} + + |