/* * "$Id: language.c,v 1.10 2003/09/05 01:14:50 jlovell Exp $" * * I18N/language support for the Common UNIX Printing System (CUPS). * * Copyright 1997-2003 by Easy Software Products. * * These coded instructions, statements, and computer programs are the * property of Easy Software Products and are protected by Federal * copyright law. Distribution and use rights are outlined in the file * "LICENSE.txt" which should have been included with this file. If this * file is missing or damaged please contact Easy Software Products * at: * * Attn: CUPS Licensing Information * Easy Software Products * 44141 Airport View Drive, Suite 204 * Hollywood, Maryland 20636-3111 USA * * Voice: (301) 373-9603 * EMail: cups-info@cups.org * WWW: http://www.cups.org * * This file is subject to the Apple OS-Developed Software exception. * * Contents: * * cupsLangEncoding() - Return the character encoding (us-ascii, etc.) * for the given language. * cupsLangFlush() - Flush all language data out of the cache. * cupsLangFree() - Free language data. * cupsLangGet() - Get a language. * _cupsRestoreLocale() - Restore the original locale... * _cupsSaveLocale() - Set the locale and save a copy of the old locale... * appleLangDefault() - Get the default locale string. * cups_cache_lookup() - Lookup a language in the cache... */ /* * Include necessary headers... */ #include #include #include #ifdef WIN32 # include #else # include #endif /* WIN32 */ #include "string.h" #include "language.h" #include "debug.h" /* * Local functions... */ #ifdef __APPLE__ # include static const char *appleLangDefault(void); #endif /* __APPLE__ */ static cups_lang_t *cups_cache_lookup(const char *name, cups_encoding_t encoding); /* * Local globals... */ static cups_lang_t *lang_cache = NULL; /* Language string cache */ static const char lang_blank[] = ""; /* Blank constant string */ static const char * const lang_encodings[] = { /* Encoding strings */ "us-ascii", "iso-8859-1", "iso-8859-2", "iso-8859-3", "iso-8859-4", "iso-8859-5", "iso-8859-6", "iso-8859-7", "iso-8859-8", "iso-8859-9", "iso-8859-10", "utf-8", "iso-8859-13", "iso-8859-14", "iso-8859-15", "windows-874", "windows-1250", "windows-1251", "windows-1252", "windows-1253", "windows-1254", "windows-1255", "windows-1256", "windows-1257", "windows-1258", "koi8-r", "koi8-u" }; static const char * const lang_default[] = { /* Default POSIX locale */ #include "cups_C.h" NULL }; /* * 'cupsLangEncoding()' - Return the character encoding (us-ascii, etc.) * for the given language. */ char * /* O - Character encoding */ cupsLangEncoding(cups_lang_t *lang) /* I - Language data */ { if (lang == NULL) return ((char*)lang_encodings[0]); else return ((char*)lang_encodings[lang->encoding]); } /* * 'cupsLangFlush()' - Flush all language data out of the cache. */ void cupsLangFlush(void) { int i; /* Looping var */ cups_lang_t *lang, /* Current language */ *next; /* Next language */ /* * Free all languages in the cache... */ for (lang = lang_cache; lang != NULL; lang = next) { /* * Free all messages... */ for (i = 0; i < CUPS_MSG_MAX; i ++) if (lang->messages[i] != NULL && lang->messages[i] != lang_blank) free(lang->messages[i]); /* * Then free the language structure itself... */ next = lang->next; free(lang); } lang_cache = NULL; } /* * 'cupsLangFree()' - Free language data. * * This does not actually free anything; use cupsLangFlush() for that. */ void cupsLangFree(cups_lang_t *lang) /* I - Language to free */ { if (lang != NULL && lang->used > 0) lang->used --; } /* * 'cupsLangGet()' - Get a language. */ cups_lang_t * /* O - Language data */ cupsLangGet(const char *language) /* I - Language or locale */ { int i, count; /* Looping vars */ char langname[16], /* Requested language name */ country[16], /* Country code */ charset[16], /* Character set */ *ptr, /* Pointer into language/ */ real[48], /* Real language name */ filename[1024], /* Filename for language locale file */ *localedir; /* Directory for locale files */ cups_encoding_t encoding; /* Encoding to use */ FILE *fp; /* Language locale file pointer */ char line[1024]; /* Line from file */ cups_msg_t msg; /* Message number */ char *text; /* Message text */ cups_lang_t *lang; /* Current language... */ char *oldlocale; /* Old locale name */ static const char * const locale_encodings[] = { /* Locale charset names */ "ASCII", "ISO8859-1", "ISO8859-2", "ISO8859-3", "ISO8859-4", "ISO8859-5", "ISO8859-6", "ISO8859-7", "ISO8859-8", "ISO8859-9", "ISO8859-10", "UTF-8", "ISO8859-13", "ISO8859-14", "ISO8859-15", "CP874", "CP1250", "CP1251", "CP1252", "CP1253", "CP1254", "CP1255", "CP1256", "CP1257", "CP1258", "KOI8R", "KOI8U" }; #ifdef __APPLE__ /* * Apple's setlocale doesn't give us the user's localization * preference so we have to look it up this way... */ if (language == NULL) language = appleLangDefault(); #elif defined(LC_MESSAGES) if (language == NULL) { /* * First see if the locale has been set; if it is still "C" or * "POSIX", set the locale to the default... */ language = setlocale(LC_MESSAGES, NULL); if (!strcmp(language, "C") || !strcmp(language, "POSIX")) language = setlocale(LC_MESSAGES, ""); } #else if (language == NULL) { /* * First see if the locale has been set; if it is still "C" or * "POSIX", set the locale to the default... */ language = setlocale(LC_ALL, NULL); if (!strcmp(language, "C") || !strcmp(language, "POSIX")) language = setlocale(LC_ALL, ""); } #endif /* __APPLE__ */ /* * Set the locale back to POSIX while we do string ops, since * apparently some buggy C libraries break ctype() for non-I18N * chars... */ #if defined(__APPLE__) /* The ctype bug isn't in Apple's libc */ #elif !defined(LC_CTYPE) oldlocale = _cupsSaveLocale(LC_ALL, "C"); #else oldlocale = _cupsSaveLocale(LC_CTYPE, "C"); #endif /* __APPLE__ */ /* * Parse the language string passed in to a locale string. "C" is the * standard POSIX locale and is copied unchanged. Otherwise the * language string is converted from ll-cc[.charset] (language-country) * to ll_CC[.CHARSET] to match the file naming convention used by all * POSIX-compliant operating systems. Invalid language names are mapped * to the POSIX locale. */ country[0] = '\0'; charset[0] = '\0'; if (language == NULL || !language[0] || strcmp(language, "POSIX") == 0) strcpy(langname, "C"); else { /* * Copy the parts of the locale string over safely... */ for (ptr = langname; *language; language ++) if (*language == '_' || *language == '-' || *language == '.') break; else if (ptr < (langname + sizeof(langname) - 1)) *ptr++ = tolower(*language); *ptr = '\0'; if (*language == '_' || *language == '-') { language ++; for (ptr = country; *language; language ++) if (*language == '.') break; else if (ptr < (country + sizeof(country) - 1)) *ptr++ = toupper(*language); *ptr = '\0'; } if (*language == '.') { language ++; for (ptr = charset; *language; language ++) if (ptr < (charset + sizeof(charset) - 1)) *ptr++ = toupper(*language); *ptr = '\0'; } /* * Force a POSIX locale for an invalid language name... */ if (strlen(langname) != 2) { strcpy(langname, "C"); country[0] = '\0'; charset[0] = '\0'; } } /* * Restore the locale... */ #if defined(__APPLE__) /* The ctype bug isn't in Apple's libc */ #elif !defined(LC_CTYPE) _cupsRestoreLocale(LC_ALL, oldlocale); #else _cupsRestoreLocale(LC_CTYPE, oldlocale); #endif /* __APPLE__ */ /* * Figure out the desired encoding... */ encoding = CUPS_US_ASCII; if (charset[0]) { for (i = 0; i < (int)(sizeof(locale_encodings) / sizeof(locale_encodings[0])); i ++) if (!strcmp(charset, locale_encodings[i])) { encoding = (cups_encoding_t)i; break; } } /* * Now find the message catalog for this locale... */ if ((localedir = getenv("LOCALEDIR")) == NULL) localedir = CUPS_LOCALEDIR; /* * See if we already have this language/country loaded... */ snprintf(real, sizeof(real), "%s_%s", langname, country); if ((lang = cups_cache_lookup(real, encoding)) != NULL) return (lang); snprintf(filename, sizeof(filename), "%s/%s/cups_%s", localedir, real, real); if (!country[0] || access(filename, 0)) { /* * Country localization not available, look for generic localization... */ if ((lang = cups_cache_lookup(langname, encoding)) != NULL) return (lang); snprintf(filename, sizeof(filename), "%s/%s/cups_%s", localedir, langname, langname); if (access(filename, 0)) { /* * No generic localization, so use POSIX... */ strcpy(real, "C"); snprintf(filename, sizeof(filename), "%s/C/cups_C", localedir); } else strcpy(real, langname); } /* * Open the messages file; the first line contains the default * language encoding (us-ascii, iso-8859-1, etc.), and the rest are * messages consisting of: * * #### SP message text * * or: * * message text * * If the line starts with a number, then message processing picks up * where the number indicates. Otherwise the last message number is * incremented. * * All leading whitespace is deleted. */ if (strcmp(real, "C")) fp = fopen(filename, "r"); else fp = NULL; if (fp == NULL) strlcpy(line, lang_default[0], sizeof(line)); else if (fgets(line, sizeof(line), fp) == NULL) { /* * Can't read encoding! */ fclose(fp); return (NULL); } i = strlen(line) - 1; if (line[i] == '\n') line[i] = '\0'; /* Strip LF */ /* * See if there is a free language available; if so, use that * record... */ for (lang = lang_cache; lang != NULL; lang = lang->next) if (lang->used == 0) break; if (lang == NULL) { /* * Allocate memory for the language and add it to the cache. */ if ((lang = calloc(sizeof(cups_lang_t), 1)) == NULL) { fclose(fp); return (NULL); } lang->next = lang_cache; lang_cache = lang; } /* * Free all old strings as needed... */ for (i = 0; i < CUPS_MSG_MAX; i ++) { if (lang->messages[i] != NULL && lang->messages[i] != lang_blank) free(lang->messages[i]); lang->messages[i] = (char*)lang_blank; } /* * Then assign the language and encoding fields... */ lang->used ++; strlcpy(lang->language, real, sizeof(lang->language)); if (charset[0]) lang->encoding = encoding; else { for (i = 0; i < (sizeof(lang_encodings) / sizeof(lang_encodings[0])); i ++) if (strcmp(lang_encodings[i], line) == 0) { lang->encoding = (cups_encoding_t)i; break; } } /* * Read the strings from the file... */ msg = (cups_msg_t)-1; count = 1; for (;;) { /* * Read a line from memory or from a file... */ if (fp == NULL) { if (lang_default[count] == NULL) break; strlcpy(line, lang_default[count], sizeof(line)); } else if (fgets(line, sizeof(line), fp) == NULL) break; count ++; /* * Ignore blank lines... */ i = strlen(line) - 1; if (line[i] == '\n') line[i] = '\0'; /* Strip LF */ if (line[0] == '\0') continue; /* * Grab the message number and text... */ if (isdigit(line[0])) msg = (cups_msg_t)atoi(line); else msg ++; if (msg < 0 || msg >= CUPS_MSG_MAX) continue; text = line; while (isdigit(*text)) text ++; while (isspace(*text)) text ++; lang->messages[msg] = strdup(text); } /* * Close the file and return... */ if (fp != NULL) fclose(fp); return (lang); } /* * '_cupsRestoreLocale()' - Restore the original locale... */ void _cupsRestoreLocale(int category, /* I - Category */ char *oldlocale) /* I - Old locale or NULL */ { DEBUG_printf(("_cupsRestoreLocale(category=%d, oldlocale=\"%s\")\n", category, oldlocale)); if (oldlocale) { /* * Reset the locale and free the locale string... */ setlocale(category, oldlocale); free(oldlocale); } } /* * '_cupsSaveLocale()' - Set the locale and save a copy of the old locale... */ char * /* O - Old locale or NULL */ _cupsSaveLocale(int category, /* I - Category */ const char *locale) /* I - New locale or NULL */ { char *oldlocale; /* Old locale */ DEBUG_printf(("_cupsSaveLocale(category=%d, locale=\"%s\")\n", category, locale)); if ((oldlocale = setlocale(category, locale)) != NULL) return (strdup(oldlocale)); else return (NULL); } #ifdef __APPLE__ /* * Code & data to translate OSX's language names to their ISO 639-1 locale. * * The first version uses the new CoreFoundation API added in 10.3 (Panther), * the second is for 10.2 (Jaguar). */ #ifdef HAVE_CF_LOCALE_ID /* * 'appleLangDefault()' - Get the default locale string. */ static const char * /* O - Locale string */ appleLangDefault(void) { CFPropertyListRef localizationList; /* List of localization data */ CFStringRef languageName; /* Current name */ CFStringRef localeName; /* Canonical from of name */ static char language[32] = { 0 }; /* Cached language */ /* * Only do the lookup and translation the first time. */ if (language[0] == '\0') { localizationList = CFPreferencesCopyAppValue(CFSTR("AppleLanguages"), kCFPreferencesCurrentApplication); if (localizationList != NULL) { if (CFGetTypeID(localizationList) == CFArrayGetTypeID() && CFArrayGetCount(localizationList) > 0) { languageName = CFArrayGetValueAtIndex(localizationList, 0); if (languageName != NULL && CFGetTypeID(languageName) == CFStringGetTypeID()) { localeName = CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorDefault, languageName); if (localeName != NULL) { CFStringGetCString(localeName, language, sizeof(language), kCFStringEncodingASCII); CFRelease(localeName); if (strcmp(language, "en") == 0) strlcpy(language, "en_US.UTF-8", sizeof(language)); else if (strchr(language, '.') == NULL) strlcat(language, ".UTF-8", sizeof(language)); } } } CFRelease(localizationList); } /* * If we didn't find the language, default to en_US... */ if (language[0] == '\0') strlcpy(language, "en_US.UTF-8", sizeof(language)); } /* * Return the cached locale... */ return (language); } #else /* * Code & data to translate OSX's language names to their ISO 639-1 locale. * * In Radar bug #2563420 there's a request to have CoreFoundation export a * function to do this mapping. If this function gets implemented we should * use it. */ typedef struct { const char * const name; /* Language name */ const char * const locale; /* Locale name */ } apple_name_locale_t; static const apple_name_locale_t apple_name_locale[] = { { "English" , "en_US.UTF-8" }, { "French" , "fr.UTF-8" }, { "German" , "de.UTF-8" }, { "Italian" , "it.UTF-8" }, { "Dutch" , "nl.UTF-8" }, { "Swedish" , "sv.UTF-8" }, { "Spanish" , "es.UTF-8" }, { "Danish" , "da.UTF-8" }, { "Portuguese" , "pt.UTF-8" }, { "Norwegian" , "no.UTF-8" }, { "Hebrew" , "he.UTF-8" }, { "Japanese" , "ja.UTF-8" }, { "Arabic" , "ar.UTF-8" }, { "Finnish" , "fi.UTF-8" }, { "Greek" , "el.UTF-8" }, { "Icelandic" , "is.UTF-8" }, { "Maltese" , "mt.UTF-8" }, { "Turkish" , "tr.UTF-8" }, { "Croatian" , "hr.UTF-8" }, { "Chinese" , "zh.UTF-8" }, { "Urdu" , "ur.UTF-8" }, { "Hindi" , "hi.UTF-8" }, { "Thai" , "th.UTF-8" }, { "Korean" , "ko.UTF-8" }, { "Lithuanian" , "lt.UTF-8" }, { "Polish" , "pl.UTF-8" }, { "Hungarian" , "hu.UTF-8" }, { "Estonian" , "et.UTF-8" }, { "Latvian" , "lv.UTF-8" }, { "Sami" , "se.UTF-8" }, { "Faroese" , "fo.UTF-8" }, { "Farsi" , "fa.UTF-8" }, { "Russian" , "ru.UTF-8" }, { "Chinese" , "zh.UTF-8" }, { "Dutch" , "nl.UTF-8" }, { "Irish" , "ga.UTF-8" }, { "Albanian" , "sq.UTF-8" }, { "Romanian" , "ro.UTF-8" }, { "Czech" , "cs.UTF-8" }, { "Slovak" , "sk.UTF-8" }, { "Slovenian" , "sl.UTF-8" }, { "Yiddish" , "yi.UTF-8" }, { "Serbian" , "sr.UTF-8" }, { "Macedonian" , "mk.UTF-8" }, { "Bulgarian" , "bg.UTF-8" }, { "Ukrainian" , "uk.UTF-8" }, { "Byelorussian", "be.UTF-8" }, { "Uzbek" , "uz.UTF-8" }, { "Kazakh" , "kk.UTF-8" }, { "Azerbaijani", "az.UTF-8" }, { "Azerbaijani" , "az.UTF-8" }, { "Armenian" , "hy.UTF-8" }, { "Georgian" , "ka.UTF-8" }, { "Moldavian" , "mo.UTF-8" }, { "Kirghiz" , "ky.UTF-8" }, { "Tajiki" , "tg.UTF-8" }, { "Turkmen" , "tk.UTF-8" }, { "Mongolian" , "mn.UTF-8" }, { "Mongolian" , "mn.UTF-8" }, { "Pashto" , "ps.UTF-8" }, { "Kurdish" , "ku.UTF-8" }, { "Kashmiri" , "ks.UTF-8" }, { "Sindhi" , "sd.UTF-8" }, { "Tibetan" , "bo.UTF-8" }, { "Nepali" , "ne.UTF-8" }, { "Sanskrit" , "sa.UTF-8" }, { "Marathi" , "mr.UTF-8" }, { "Bengali" , "bn.UTF-8" }, { "Assamese" , "as.UTF-8" }, { "Gujarati" , "gu.UTF-8" }, { "Punjabi" , "pa.UTF-8" }, { "Oriya" , "or.UTF-8" }, { "Malayalam" , "ml.UTF-8" }, { "Kannada" , "kn.UTF-8" }, { "Tamil" , "ta.UTF-8" }, { "Telugu" , "te.UTF-8" }, { "Sinhalese" , "si.UTF-8" }, { "Burmese" , "my.UTF-8" }, { "Khmer" , "km.UTF-8" }, { "Lao" , "lo.UTF-8" }, { "Vietnamese" , "vi.UTF-8" }, { "Indonesian" , "id.UTF-8" }, { "Tagalog" , "tl.UTF-8" }, { "Malay" , "ms.UTF-8" }, { "Malay" , "ms.UTF-8" }, { "Amharic" , "am.UTF-8" }, { "Tigrinya" , "ti.UTF-8" }, { "Oromo" , "om.UTF-8" }, { "Somali" , "so.UTF-8" }, { "Swahili" , "sw.UTF-8" }, { "Kinyarwanda" , "rw.UTF-8" }, { "Rundi" , "rn.UTF-8" }, { "Nyanja" , "" }, { "Malagasy" , "mg.UTF-8" }, { "Esperanto" , "eo.UTF-8" }, { "Welsh" , "cy.UTF-8" }, { "Basque" , "eu.UTF-8" }, { "Catalan" , "ca.UTF-8" }, { "Latin" , "la.UTF-8" }, { "Quechua" , "qu.UTF-8" }, { "Guarani" , "gn.UTF-8" }, { "Aymara" , "ay.UTF-8" }, { "Tatar" , "tt.UTF-8" }, { "Uighur" , "ug.UTF-8" }, { "Dzongkha" , "dz.UTF-8" }, { "Javanese" , "jv.UTF-8" }, { "Sundanese" , "su.UTF-8" }, { "Galician" , "gl.UTF-8" }, { "Afrikaans" , "af.UTF-8" }, { "Breton" , "br.UTF-8" }, { "Inuktitut" , "iu.UTF-8" }, { "Scottish" , "gd.UTF-8" }, { "Manx" , "gv.UTF-8" }, { "Irish" , "ga.UTF-8" }, { "Tongan" , "to.UTF-8" }, { "Greek" , "el.UTF-8" }, { "Greenlandic" , "kl.UTF-8" }, { "Azerbaijani", "az.UTF-8" } }; /* * 'appleLangDefault()' - Get the default locale string. */ static const char * /* O - Locale string */ appleLangDefault(void) { int i; /* Looping var */ CFPropertyListRef localizationList; /* List of localization data */ CFStringRef localizationName; /* Current name */ char buff[256]; /* Temporary buffer */ static const char *language = NULL; /* Cached language */ /* * Only do the lookup and translation the first time. */ if (language == NULL) { localizationList = CFPreferencesCopyAppValue(CFSTR("AppleLanguages"), kCFPreferencesCurrentApplication); if (localizationList != NULL) { if (CFGetTypeID(localizationList) == CFArrayGetTypeID() && CFArrayGetCount(localizationList) > 0) { localizationName = CFArrayGetValueAtIndex(localizationList, 0); if (localizationName != NULL && CFGetTypeID(localizationName) == CFStringGetTypeID()) { CFIndex length = CFStringGetLength(localizationName); if (length <= sizeof(buff) && CFStringGetCString(localizationName, buff, sizeof(buff), kCFStringEncodingASCII)) { buff[sizeof(buff) - 1] = '\0'; for (i = 0; i < sizeof(apple_name_locale) / sizeof(apple_name_locale[0]); i++) { if (strcasecmp(buff, apple_name_locale[i].name) == 0) { language = apple_name_locale[i].locale; break; } } } } } CFRelease(localizationList); } /* * If we didn't find the language, default to en_US... */ if (language == NULL) language = apple_name_locale[0].locale; } /* * Return the cached locale... */ return (language); } #endif /* HAVE_CF_LOCALE_ID */ #endif /* __APPLE__ */ /* * 'cups_cache_lookup()' - Lookup a language in the cache... */ static cups_lang_t * /* O - Language data or NULL */ cups_cache_lookup(const char *name,/* I - Name of locale */ cups_encoding_t encoding) /* I - Encoding of locale */ { cups_lang_t *lang; /* Current language */ /* * Loop through the cache and return a match if found... */ for (lang = lang_cache; lang != NULL; lang = lang->next) if (!strcmp(lang->language, name) && encoding == lang->encoding) { lang->used ++; return (lang); } return (NULL); } /* * End of "$Id: language.c,v 1.10 2003/09/05 01:14:50 jlovell Exp $". */