diff options
Diffstat (limited to 'sal/osl/os2/nlsupport.c')
| -rw-r--r-- | sal/osl/os2/nlsupport.c | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/sal/osl/os2/nlsupport.c b/sal/osl/os2/nlsupport.c new file mode 100644 index 000000000000..b05332bab0ea --- /dev/null +++ b/sal/osl/os2/nlsupport.c @@ -0,0 +1,448 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: nlsupport.c,v $ + * $Revision: 1.5 $ + * + * 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 INCL_WIN +#include "svpm.h" + +#include <osl/nlsupport.h> +#include <osl/diagnose.h> +#include <osl/process.h> +#include <rtl/memory.h> + +#include <string.h> + +/***************************************************************************** + typedefs + *****************************************************************************/ + + +typedef struct { + const char *key; + const rtl_TextEncoding value; +} _pair; + + +/***************************************************************************** + compare function for binary search + *****************************************************************************/ + +static int +_pair_compare (const char *key, const _pair *pair) +{ + int result = rtl_str_compareIgnoreAsciiCase( key, pair->key ); + return result; +} + +/***************************************************************************** + binary search on encoding tables + *****************************************************************************/ + +static const _pair* +_pair_search (const char *key, const _pair *base, unsigned int member ) +{ + unsigned int lower = 0; + unsigned int upper = member; + unsigned int current; + int comparison; + + /* check for validity of input */ + if ( (key == NULL) || (base == NULL) || (member == 0) ) + return NULL; + + /* binary search */ + while ( lower < upper ) + { + current = (lower + upper) / 2; + comparison = _pair_compare( key, base + current ); + if (comparison < 0) + upper = current; + else if (comparison > 0) + lower = current + 1; + else + return base + current; + } + + return NULL; +} + + +/***************************************************************************** + convert rtl_Locale to locale string + *****************************************************************************/ + +static char * _compose_locale( rtl_Locale * pLocale, char * buffer, size_t n ) +{ + /* check if a valid locale is specified */ + if( pLocale && pLocale->Language && (pLocale->Language->length == 2) ) + { + size_t offset = 0; + + /* convert language code to ascii */ + { + rtl_String *pLanguage = NULL; + + rtl_uString2String( &pLanguage, + pLocale->Language->buffer, pLocale->Language->length, + RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS ); + + if( pLanguage->length < n ) + { + strcpy( buffer, pLanguage->buffer ); + offset = pLanguage->length; + } + + rtl_string_release( pLanguage ); + } + + /* convert country code to ascii */ + if( pLocale->Country && (pLocale->Country->length == 2) ) + { + rtl_String *pCountry = NULL; + + rtl_uString2String( &pCountry, + pLocale->Country->buffer, pLocale->Country->length, + RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS ); + + if( offset + pCountry->length + 1 < n ) + { + strcpy( buffer + offset++, "_" ); + strcpy( buffer + offset, pCountry->buffer ); + offset += pCountry->length; + } + + rtl_string_release( pCountry ); + } + + /* convert variant to ascii - check if there is enough space for the variant string */ + if( pLocale->Variant && pLocale->Variant->length && + ( pLocale->Variant->length < n - 6 ) ) + { + rtl_String *pVariant = NULL; + + rtl_uString2String( &pVariant, + pLocale->Variant->buffer, pLocale->Variant->length, + RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS ); + + if( offset + pVariant->length + 1 < n ) + { + strcpy( buffer + offset, pVariant->buffer ); + offset += pVariant->length; + } + + rtl_string_release( pVariant ); + } + + return buffer; + } + + return NULL; +} + +/***************************************************************************** + convert locale string to rtl_Locale + *****************************************************************************/ + +static rtl_Locale * _parse_locale( const char * locale ) +{ + static sal_Unicode c_locale[2] = { (sal_Unicode) 'C', 0 }; + + /* check if locale contains a valid string */ + if( locale ) + { + size_t len = strlen( locale ); + + if( len >= 2 ) + { + rtl_uString * pLanguage = NULL; + rtl_uString * pCountry = NULL; + rtl_uString * pVariant = NULL; + + size_t offset = 2; + + /* convert language code to unicode */ + rtl_string2UString( &pLanguage, locale, 2, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS ); + OSL_ASSERT(pLanguage != NULL); + + /* convert country code to unicode */ + if( len >= 5 && '_' == locale[2] ) + { + rtl_string2UString( &pCountry, locale + 3, 2, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS ); + OSL_ASSERT(pCountry != NULL); + offset = 5; + } + + /* convert variant code to unicode - do not rely on "." as delimiter */ + if( len > offset ) { + rtl_string2UString( &pVariant, locale + offset, len - offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS ); + OSL_ASSERT(pVariant != NULL); + } + + rtl_Locale * ret = rtl_locale_register( pLanguage->buffer, pCountry ? pCountry->buffer : c_locale + 1, pVariant ? pVariant->buffer : c_locale + 1 ); + + if (pVariant) rtl_uString_release(pVariant); + if (pCountry) rtl_uString_release(pCountry); + if (pLanguage) rtl_uString_release(pLanguage); + + return ret; + } + else + return rtl_locale_register( c_locale, c_locale + 1, c_locale + 1 ); + } + + return NULL; +} + +/* + * This implementation of osl_getTextEncodingFromLocale maps + * from the ISO language codes. + */ + +const _pair _full_locale_list[] = { + { "ja_JP.eucJP", RTL_TEXTENCODING_EUC_JP }, + { "ja_JP.EUC", RTL_TEXTENCODING_EUC_JP }, + { "ko_KR.EUC", RTL_TEXTENCODING_EUC_KR }, + { "zh_CN.EUC", RTL_TEXTENCODING_EUC_CN }, + { "zh_TW.EUC", RTL_TEXTENCODING_EUC_TW } +}; + +const _pair _locale_extension_list[] = { + { "big5", RTL_TEXTENCODING_BIG5 }, + { "big5hk", RTL_TEXTENCODING_BIG5_HKSCS }, + { "gb18030", RTL_TEXTENCODING_GB_18030 }, + { "euc", RTL_TEXTENCODING_EUC_JP }, + { "iso8859-1", RTL_TEXTENCODING_ISO_8859_1 }, + { "iso8859-10", RTL_TEXTENCODING_ISO_8859_10 }, + { "iso8859-13", RTL_TEXTENCODING_ISO_8859_13 }, + { "iso8859-14", RTL_TEXTENCODING_ISO_8859_14 }, + { "iso8859-15", RTL_TEXTENCODING_ISO_8859_15 }, + { "iso8859-2", RTL_TEXTENCODING_ISO_8859_2 }, + { "iso8859-3", RTL_TEXTENCODING_ISO_8859_3 }, + { "iso8859-4", RTL_TEXTENCODING_ISO_8859_4 }, + { "iso8859-5", RTL_TEXTENCODING_ISO_8859_5 }, + { "iso8859-6", RTL_TEXTENCODING_ISO_8859_6 }, + { "iso8859-7", RTL_TEXTENCODING_ISO_8859_7 }, + { "iso8859-8", RTL_TEXTENCODING_ISO_8859_8 }, + { "iso8859-9", RTL_TEXTENCODING_ISO_8859_9 }, + { "koi8-r", RTL_TEXTENCODING_KOI8_R }, + { "koi8-u", RTL_TEXTENCODING_KOI8_U }, + { "pck", RTL_TEXTENCODING_MS_932 }, +#if (0) + { "sun_eu_greek", RTL_TEXTENCODING_DONTKNOW }, +#endif + { "utf-16", RTL_TEXTENCODING_UNICODE }, + { "utf-7", RTL_TEXTENCODING_UTF7 }, + { "utf-8", RTL_TEXTENCODING_UTF8 } +}; + +const _pair _iso_language_list[] = { + { "af", RTL_TEXTENCODING_ISO_8859_1 }, + { "ar", RTL_TEXTENCODING_ISO_8859_6 }, + { "az", RTL_TEXTENCODING_ISO_8859_9 }, + { "be", RTL_TEXTENCODING_ISO_8859_5 }, + { "bg", RTL_TEXTENCODING_ISO_8859_5 }, + { "ca", RTL_TEXTENCODING_ISO_8859_1 }, + { "cs", RTL_TEXTENCODING_ISO_8859_2 }, + { "da", RTL_TEXTENCODING_ISO_8859_1 }, + { "de", RTL_TEXTENCODING_ISO_8859_1 }, + { "el", RTL_TEXTENCODING_ISO_8859_7 }, + { "en", RTL_TEXTENCODING_ISO_8859_1 }, + { "es", RTL_TEXTENCODING_ISO_8859_1 }, + { "et", RTL_TEXTENCODING_ISO_8859_4 }, + { "eu", RTL_TEXTENCODING_ISO_8859_1 }, + { "fa", RTL_TEXTENCODING_ISO_8859_6 }, + { "fi", RTL_TEXTENCODING_ISO_8859_1 }, + { "fo", RTL_TEXTENCODING_ISO_8859_1 }, + { "fr", RTL_TEXTENCODING_ISO_8859_1 }, + { "gr", RTL_TEXTENCODING_ISO_8859_7 }, + { "he", RTL_TEXTENCODING_ISO_8859_8 }, + { "hi", RTL_TEXTENCODING_DONTKNOW }, + { "hr", RTL_TEXTENCODING_ISO_8859_2 }, + { "hu", RTL_TEXTENCODING_ISO_8859_2 }, + { "hy", RTL_TEXTENCODING_DONTKNOW }, + { "id", RTL_TEXTENCODING_ISO_8859_1 }, + { "is", RTL_TEXTENCODING_ISO_8859_1 }, + { "it", RTL_TEXTENCODING_ISO_8859_1 }, + { "iw", RTL_TEXTENCODING_ISO_8859_8 }, + { "ja", RTL_TEXTENCODING_EUC_JP }, + { "ka", RTL_TEXTENCODING_DONTKNOW }, + { "kk", RTL_TEXTENCODING_ISO_8859_5 }, + { "ko", RTL_TEXTENCODING_EUC_KR }, + { "lt", RTL_TEXTENCODING_ISO_8859_4 }, + { "lv", RTL_TEXTENCODING_ISO_8859_4 }, + { "mk", RTL_TEXTENCODING_ISO_8859_5 }, + { "mr", RTL_TEXTENCODING_DONTKNOW }, + { "ms", RTL_TEXTENCODING_ISO_8859_1 }, + { "nl", RTL_TEXTENCODING_ISO_8859_1 }, + { "no", RTL_TEXTENCODING_ISO_8859_1 }, + { "pl", RTL_TEXTENCODING_ISO_8859_2 }, + { "pt", RTL_TEXTENCODING_ISO_8859_1 }, + { "ro", RTL_TEXTENCODING_ISO_8859_2 }, + { "ru", RTL_TEXTENCODING_ISO_8859_5 }, + { "sa", RTL_TEXTENCODING_DONTKNOW }, + { "sk", RTL_TEXTENCODING_ISO_8859_2 }, + { "sl", RTL_TEXTENCODING_ISO_8859_2 }, + { "sq", RTL_TEXTENCODING_ISO_8859_2 }, + { "sv", RTL_TEXTENCODING_ISO_8859_1 }, + { "sw", RTL_TEXTENCODING_ISO_8859_1 }, + { "ta", RTL_TEXTENCODING_DONTKNOW }, + { "th", RTL_TEXTENCODING_DONTKNOW }, + { "tr", RTL_TEXTENCODING_ISO_8859_9 }, + { "tt", RTL_TEXTENCODING_ISO_8859_5 }, + { "uk", RTL_TEXTENCODING_ISO_8859_5 }, + { "ur", RTL_TEXTENCODING_ISO_8859_6 }, + { "uz", RTL_TEXTENCODING_ISO_8859_9 }, + { "vi", RTL_TEXTENCODING_DONTKNOW }, + { "zh", RTL_TEXTENCODING_BIG5 } +}; + +/***************************************************************************** + return the text encoding corresponding to the given locale + *****************************************************************************/ + +rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale ) +{ + const _pair *language = 0; + char locale_buf[64] = ""; + char *cp; + + WinMessageBox(HWND_DESKTOP,HWND_DESKTOP, + "Please contact technical support and report above informations.\n\n", + "Critical error: osl_getTextEncodingFromLocale", + 0, MB_ERROR | MB_OK | MB_MOVEABLE); + + /* default to process locale if pLocale == NULL */ + if( NULL == pLocale ) + osl_getProcessLocale( &pLocale ); + + /* convert rtl_Locale to locale string */ + if( _compose_locale( pLocale, locale_buf, 64 ) ) + { + /* check special handling list (EUC) first */ + const unsigned int members = sizeof( _full_locale_list ) / sizeof( _pair ); + language = _pair_search( locale_buf, _full_locale_list, members); + + if( NULL == language ) + { + /* + * check if there is a charset qualifier at the end of the given locale string + * e.g. de.ISO8859-15 or de.ISO8859-15@euro which strongly indicates what + * charset to use + */ + cp = strrchr( locale_buf, '.' ); + + if( NULL != cp ) + { + const unsigned int members = sizeof( _locale_extension_list ) / sizeof( _pair ); + language = _pair_search( cp + 1, _locale_extension_list, members); + } + } + + /* use iso language code to determine the charset */ + if( NULL == language ) + { + const unsigned int members = sizeof( _iso_language_list ) / sizeof( _pair ); + + /* iso lang codes have 2 charaters */ + locale_buf[2] = '\0'; + + language = _pair_search( locale_buf, _iso_language_list, members); + } + } + + /* a matching item in our list provides a mapping from codeset to + * rtl-codeset */ + if ( language != NULL ) + return language->value; + + return RTL_TEXTENCODING_DONTKNOW; +} + +/***************************************************************************** + return the current process locale + *****************************************************************************/ + +void _imp_getProcessLocale( rtl_Locale ** ppLocale ) +{ + /* simulate behavior off setlocale */ + char * locale = getenv( "LC_ALL" ); + + if( NULL == locale ) + locale = getenv( "LC_CTYPE" ); + + if( NULL == locale ) + locale = getenv( "LANG" ); + + if( NULL == locale ) + locale = "C"; + + *ppLocale = _parse_locale( locale ); +} + +/***************************************************************************** + set the current process locale + *****************************************************************************/ + +int _imp_setProcessLocale( rtl_Locale * pLocale ) +{ + char locale_buf[64]; + + /* convert rtl_Locale to locale string */ + if( NULL != _compose_locale( pLocale, locale_buf, 64 ) ) + { + /* only change env vars that exist already */ + if( getenv( "LC_ALL" ) ) { +#if defined( FREEBSD ) || defined( NETBSD ) || defined( MACOSX ) || defined( __EMX__ ) + setenv( "LC_ALL", locale_buf, 1); +#else + setenv( "LC_ALL", locale_buf ); +#endif + } + + if( getenv( "LC_CTYPE" ) ) { +#if defined( FREEBSD ) || defined( NETBSD ) || defined( MACOSX ) || defined( __EMX__ ) + setenv("LC_CTYPE", locale_buf, 1 ); +#else + setenv( "LC_CTYPE", locale_buf ); +#endif + } + + if( getenv( "LANG" ) ) { +#if defined( FREEBSD ) || defined( NETBSD ) || defined( MACOSX ) || defined( __EMX__ ) + setenv("LC_CTYPE", locale_buf, 1 ); +#else + setenv( "LANG", locale_buf ); +#endif + } + } + + return 0; +} + + |