diff options
Diffstat (limited to 'intl/locale/unix/nsPosixLocale.cpp')
| -rw-r--r-- | intl/locale/unix/nsPosixLocale.cpp | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/intl/locale/unix/nsPosixLocale.cpp b/intl/locale/unix/nsPosixLocale.cpp new file mode 100644 index 000000000..16299afed --- /dev/null +++ b/intl/locale/unix/nsPosixLocale.cpp @@ -0,0 +1,243 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nscore.h" +#include "nsString.h" +#include "nsPosixLocale.h" +#include "mozilla/Sprintf.h" +#include "plstr.h" +#include "nsReadableUtils.h" + +static bool +ParseLocaleString(const char* locale_string, char* language, char* country, char* extra, char separator); + +nsresult +nsPosixLocale::GetPlatformLocale(const nsAString& locale, nsACString& posixLocale) +{ + char country_code[MAX_COUNTRY_CODE_LEN+1]; + char lang_code[MAX_LANGUAGE_CODE_LEN+1]; + char extra[MAX_EXTRA_LEN+1]; + char posix_locale[MAX_LOCALE_LEN+1]; + NS_LossyConvertUTF16toASCII xp_locale(locale); + + if (!xp_locale.IsEmpty()) { + if (!ParseLocaleString(xp_locale.get(),lang_code,country_code,extra,'-')) { +// strncpy(posixLocale,"C",length); + posixLocale = xp_locale; // use xp locale if parse failed + return NS_OK; + } + + if (*country_code) { + if (*extra) { + SprintfLiteral(posix_locale,"%s_%s.%s",lang_code,country_code,extra); + } + else { + SprintfLiteral(posix_locale,"%s_%s",lang_code,country_code); + } + } + else { + if (*extra) { + SprintfLiteral(posix_locale,"%s.%s",lang_code,extra); + } + else { + SprintfLiteral(posix_locale,"%s",lang_code); + } + } + + posixLocale = posix_locale; + return NS_OK; + } + + return NS_ERROR_FAILURE; +} + +nsresult +nsPosixLocale::GetXPLocale(const char* posixLocale, nsAString& locale) +{ + char country_code[MAX_COUNTRY_CODE_LEN+1]; + char lang_code[MAX_LANGUAGE_CODE_LEN+1]; + char extra[MAX_EXTRA_LEN+1]; + char posix_locale[MAX_LOCALE_LEN+1]; + + if (posixLocale!=nullptr) { + if (strcmp(posixLocale,"C")==0 || strcmp(posixLocale,"POSIX")==0) { + locale.AssignLiteral("en-US"); + return NS_OK; + } + if (strcmp(posixLocale,"C.UTF-8")==0) { + locale.AssignLiteral("en-US.UTF-8"); + return NS_OK; + } + if (!ParseLocaleString(posixLocale,lang_code,country_code,extra,'_')) { +// * locale = "x-user-defined"; + // use posix if parse failed + CopyASCIItoUTF16(nsDependentCString(posixLocale), locale); + return NS_OK; + } + + // Special case: substitute "nb" (Norwegian Bokmal) for macrolanguage + // code "no" (Norwegian) + if (nsDependentCString(lang_code).LowerCaseEqualsLiteral("no")) { + lang_code[1] = 'b'; + } + + if (*country_code) { + SprintfLiteral(posix_locale,"%s-%s",lang_code,country_code); + } + else { + SprintfLiteral(posix_locale,"%s",lang_code); + } + + CopyASCIItoUTF16(nsDependentCString(posix_locale), locale); + return NS_OK; + + } + + return NS_ERROR_FAILURE; + +} + +// +// returns false/true depending on if it was of the form LL-CC.Extra +static bool +ParseLocaleString(const char* locale_string, char* language, char* country, char* extra, char separator) +{ + const char *src = locale_string; + char modifier[MAX_EXTRA_LEN+1]; + char *dest; + int dest_space, len; + + *language = '\0'; + *country = '\0'; + *extra = '\0'; + if (strlen(locale_string) < 2) { + return(false); + } + + // + // parse the language part + // + dest = language; + dest_space = MAX_LANGUAGE_CODE_LEN; + while ((*src) && (isalpha(*src)) && (dest_space--)) { + *dest++ = tolower(*src++); + } + *dest = '\0'; + len = dest - language; + if ((len != 2) && (len != 3)) { + NS_ASSERTION((len == 2) || (len == 3), "language code too short"); + NS_ASSERTION(len < 3, "reminder: verify we can handle 3+ character language code in all parts of the system; eg: language packs"); + *language = '\0'; + return(false); + } + + // check if all done + if (*src == '\0') { + return(true); + } + + if ((*src != '_') && (*src != '-') && (*src != '.') && (*src != '@')) { + NS_ASSERTION(isalpha(*src), "language code too long"); + NS_ASSERTION(!isalpha(*src), "unexpected language/country separator"); + *language = '\0'; + return(false); + } + + // + // parse the country part + // + if ((*src == '_') || (*src == '-')) { + src++; + dest = country; + dest_space = MAX_COUNTRY_CODE_LEN; + while ((*src) && (isalpha(*src)) && (dest_space--)) { + *dest++ = toupper(*src++); + } + *dest = '\0'; + len = dest - country; + if (len != 2) { + NS_ASSERTION(len == 2, "unexpected country code length"); + *language = '\0'; + *country = '\0'; + return(false); + } + } + + // check if all done + if (*src == '\0') { + return(true); + } + + if ((*src != '.') && (*src != '@')) { + NS_ASSERTION(isalpha(*src), "country code too long"); + NS_ASSERTION(!isalpha(*src), "unexpected country/extra separator"); + *language = '\0'; + *country = '\0'; + return(false); + } + + // + // handle the extra part + // + if (*src == '.') { + src++; // move past the extra part separator + dest = extra; + dest_space = MAX_EXTRA_LEN; + while ((*src) && (*src != '@') && (dest_space--)) { + *dest++ = *src++; + } + *dest = '\0'; + len = dest - extra; + if (len < 1) { + NS_ASSERTION(len > 0, "found country/extra separator but no extra code"); + *language = '\0'; + *country = '\0'; + *extra = '\0'; + return(false); + } + } + + // check if all done + if (*src == '\0') { + return(true); + } + + // + // handle the modifier part + // + + if (*src == '@') { + src++; // move past the modifier separator + NS_ASSERTION(strcmp("euro",src) == 0, "found non euro modifier"); + dest = modifier; + dest_space = MAX_EXTRA_LEN; + while ((*src) && (dest_space--)) { + *dest++ = *src++; + } + *dest = '\0'; + len = dest - modifier; + if (len < 1) { + NS_ASSERTION(len > 0, "found modifier separator but no modifier code"); + *language = '\0'; + *country = '\0'; + *extra = '\0'; + *modifier = '\0'; + return(false); + } + } + + // check if all done + if (*src == '\0') { + return(true); + } + + NS_ASSERTION(*src == '\0', "extra/modifier code too long"); + *language = '\0'; + *country = '\0'; + *extra = '\0'; + + return(false); +} + |