1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/locale/src/unix/nsPosixLocale.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,239 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "nscore.h"
1.10 +#include "nsString.h"
1.11 +#include "nsPosixLocale.h"
1.12 +#include "prprf.h"
1.13 +#include "plstr.h"
1.14 +#include "nsReadableUtils.h"
1.15 +
1.16 +static bool
1.17 +ParseLocaleString(const char* locale_string, char* language, char* country, char* extra, char separator);
1.18 +
1.19 +nsresult
1.20 +nsPosixLocale::GetPlatformLocale(const nsAString& locale, nsACString& posixLocale)
1.21 +{
1.22 + char country_code[MAX_COUNTRY_CODE_LEN+1];
1.23 + char lang_code[MAX_LANGUAGE_CODE_LEN+1];
1.24 + char extra[MAX_EXTRA_LEN+1];
1.25 + char posix_locale[MAX_LOCALE_LEN+1];
1.26 + NS_LossyConvertUTF16toASCII xp_locale(locale);
1.27 +
1.28 + if (!xp_locale.IsEmpty()) {
1.29 + if (!ParseLocaleString(xp_locale.get(),lang_code,country_code,extra,'-')) {
1.30 +// strncpy(posixLocale,"C",length);
1.31 + posixLocale = xp_locale; // use xp locale if parse failed
1.32 + return NS_OK;
1.33 + }
1.34 +
1.35 + if (*country_code) {
1.36 + if (*extra) {
1.37 + PR_snprintf(posix_locale,sizeof(posix_locale),"%s_%s.%s",lang_code,country_code,extra);
1.38 + }
1.39 + else {
1.40 + PR_snprintf(posix_locale,sizeof(posix_locale),"%s_%s",lang_code,country_code);
1.41 + }
1.42 + }
1.43 + else {
1.44 + if (*extra) {
1.45 + PR_snprintf(posix_locale,sizeof(posix_locale),"%s.%s",lang_code,extra);
1.46 + }
1.47 + else {
1.48 + PR_snprintf(posix_locale,sizeof(posix_locale),"%s",lang_code);
1.49 + }
1.50 + }
1.51 +
1.52 + posixLocale = posix_locale;
1.53 + return NS_OK;
1.54 + }
1.55 +
1.56 + return NS_ERROR_FAILURE;
1.57 +}
1.58 +
1.59 +nsresult
1.60 +nsPosixLocale::GetXPLocale(const char* posixLocale, nsAString& locale)
1.61 +{
1.62 + char country_code[MAX_COUNTRY_CODE_LEN+1];
1.63 + char lang_code[MAX_LANGUAGE_CODE_LEN+1];
1.64 + char extra[MAX_EXTRA_LEN+1];
1.65 + char posix_locale[MAX_LOCALE_LEN+1];
1.66 +
1.67 + if (posixLocale!=nullptr) {
1.68 + if (strcmp(posixLocale,"C")==0 || strcmp(posixLocale,"POSIX")==0) {
1.69 + locale.AssignLiteral("en-US");
1.70 + return NS_OK;
1.71 + }
1.72 + if (!ParseLocaleString(posixLocale,lang_code,country_code,extra,'_')) {
1.73 +// * locale = "x-user-defined";
1.74 + // use posix if parse failed
1.75 + CopyASCIItoUTF16(nsDependentCString(posixLocale), locale);
1.76 + return NS_OK;
1.77 + }
1.78 +
1.79 + // Special case: substitute "nb" (Norwegian Bokmal) for macrolanguage
1.80 + // code "no" (Norwegian)
1.81 + if (nsDependentCString(lang_code).LowerCaseEqualsLiteral("no")) {
1.82 + lang_code[1] = 'b';
1.83 + }
1.84 +
1.85 + if (*country_code) {
1.86 + PR_snprintf(posix_locale,sizeof(posix_locale),"%s-%s",lang_code,country_code);
1.87 + }
1.88 + else {
1.89 + PR_snprintf(posix_locale,sizeof(posix_locale),"%s",lang_code);
1.90 + }
1.91 +
1.92 + CopyASCIItoUTF16(nsDependentCString(posix_locale), locale);
1.93 + return NS_OK;
1.94 +
1.95 + }
1.96 +
1.97 + return NS_ERROR_FAILURE;
1.98 +
1.99 +}
1.100 +
1.101 +//
1.102 +// returns false/true depending on if it was of the form LL-CC.Extra
1.103 +static bool
1.104 +ParseLocaleString(const char* locale_string, char* language, char* country, char* extra, char separator)
1.105 +{
1.106 + const char *src = locale_string;
1.107 + char modifier[MAX_EXTRA_LEN+1];
1.108 + char *dest;
1.109 + int dest_space, len;
1.110 +
1.111 + *language = '\0';
1.112 + *country = '\0';
1.113 + *extra = '\0';
1.114 + if (strlen(locale_string) < 2) {
1.115 + return(false);
1.116 + }
1.117 +
1.118 + //
1.119 + // parse the language part
1.120 + //
1.121 + dest = language;
1.122 + dest_space = MAX_LANGUAGE_CODE_LEN;
1.123 + while ((*src) && (isalpha(*src)) && (dest_space--)) {
1.124 + *dest++ = tolower(*src++);
1.125 + }
1.126 + *dest = '\0';
1.127 + len = dest - language;
1.128 + if ((len != 2) && (len != 3)) {
1.129 + NS_ASSERTION((len == 2) || (len == 3), "language code too short");
1.130 + NS_ASSERTION(len < 3, "reminder: verify we can handle 3+ character language code in all parts of the system; eg: language packs");
1.131 + *language = '\0';
1.132 + return(false);
1.133 + }
1.134 +
1.135 + // check if all done
1.136 + if (*src == '\0') {
1.137 + return(true);
1.138 + }
1.139 +
1.140 + if ((*src != '_') && (*src != '-') && (*src != '.') && (*src != '@')) {
1.141 + NS_ASSERTION(isalpha(*src), "language code too long");
1.142 + NS_ASSERTION(!isalpha(*src), "unexpected language/country separator");
1.143 + *language = '\0';
1.144 + return(false);
1.145 + }
1.146 +
1.147 + //
1.148 + // parse the country part
1.149 + //
1.150 + if ((*src == '_') || (*src == '-')) {
1.151 + src++;
1.152 + dest = country;
1.153 + dest_space = MAX_COUNTRY_CODE_LEN;
1.154 + while ((*src) && (isalpha(*src)) && (dest_space--)) {
1.155 + *dest++ = toupper(*src++);
1.156 + }
1.157 + *dest = '\0';
1.158 + len = dest - country;
1.159 + if (len != 2) {
1.160 + NS_ASSERTION(len == 2, "unexpected country code length");
1.161 + *language = '\0';
1.162 + *country = '\0';
1.163 + return(false);
1.164 + }
1.165 + }
1.166 +
1.167 + // check if all done
1.168 + if (*src == '\0') {
1.169 + return(true);
1.170 + }
1.171 +
1.172 + if ((*src != '.') && (*src != '@')) {
1.173 + NS_ASSERTION(isalpha(*src), "country code too long");
1.174 + NS_ASSERTION(!isalpha(*src), "unexpected country/extra separator");
1.175 + *language = '\0';
1.176 + *country = '\0';
1.177 + return(false);
1.178 + }
1.179 +
1.180 + //
1.181 + // handle the extra part
1.182 + //
1.183 + if (*src == '.') {
1.184 + src++; // move past the extra part separator
1.185 + dest = extra;
1.186 + dest_space = MAX_EXTRA_LEN;
1.187 + while ((*src) && (*src != '@') && (dest_space--)) {
1.188 + *dest++ = *src++;
1.189 + }
1.190 + *dest = '\0';
1.191 + len = dest - extra;
1.192 + if (len < 1) {
1.193 + NS_ASSERTION(len > 0, "found country/extra separator but no extra code");
1.194 + *language = '\0';
1.195 + *country = '\0';
1.196 + *extra = '\0';
1.197 + return(false);
1.198 + }
1.199 + }
1.200 +
1.201 + // check if all done
1.202 + if (*src == '\0') {
1.203 + return(true);
1.204 + }
1.205 +
1.206 + //
1.207 + // handle the modifier part
1.208 + //
1.209 +
1.210 + if (*src == '@') {
1.211 + src++; // move past the modifier separator
1.212 + NS_ASSERTION(strcmp("euro",src) == 0, "found non euro modifier");
1.213 + dest = modifier;
1.214 + dest_space = MAX_EXTRA_LEN;
1.215 + while ((*src) && (dest_space--)) {
1.216 + *dest++ = *src++;
1.217 + }
1.218 + *dest = '\0';
1.219 + len = dest - modifier;
1.220 + if (len < 1) {
1.221 + NS_ASSERTION(len > 0, "found modifier separator but no modifier code");
1.222 + *language = '\0';
1.223 + *country = '\0';
1.224 + *extra = '\0';
1.225 + *modifier = '\0';
1.226 + return(false);
1.227 + }
1.228 + }
1.229 +
1.230 + // check if all done
1.231 + if (*src == '\0') {
1.232 + return(true);
1.233 + }
1.234 +
1.235 + NS_ASSERTION(*src == '\0', "extra/modifier code too long");
1.236 + *language = '\0';
1.237 + *country = '\0';
1.238 + *extra = '\0';
1.239 +
1.240 + return(false);
1.241 +}
1.242 +
