LCOV - code coverage report
Current view: directory - intl/locale/src/unix - nsPosixLocale.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 117 55 47.0 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "nscore.h"
      39                 : #include "nsString.h"
      40                 : #include "nsPosixLocale.h"
      41                 : #include "prprf.h"
      42                 : #include "plstr.h"
      43                 : #include "nsReadableUtils.h"
      44                 : 
      45                 : static bool
      46                 : ParseLocaleString(const char* locale_string, char* language, char* country, char* extra, char separator);
      47                 : 
      48                 : nsresult 
      49              32 : nsPosixLocale::GetPlatformLocale(const nsAString& locale, nsACString& posixLocale)
      50                 : {
      51                 :   char  country_code[MAX_COUNTRY_CODE_LEN+1];
      52                 :   char  lang_code[MAX_LANGUAGE_CODE_LEN+1];
      53                 :   char  extra[MAX_EXTRA_LEN+1];
      54                 :   char  posix_locale[MAX_LOCALE_LEN+1];
      55              64 :   NS_LossyConvertUTF16toASCII xp_locale(locale);
      56                 : 
      57              32 :   if (!xp_locale.IsEmpty()) {
      58              32 :     if (!ParseLocaleString(xp_locale.get(),lang_code,country_code,extra,'-')) {
      59                 : //      strncpy(posixLocale,"C",length);
      60               0 :       posixLocale = xp_locale;  // use xp locale if parse failed
      61               0 :       return NS_OK;
      62                 :     }
      63                 : 
      64              32 :     if (*country_code) {
      65              32 :       if (*extra) {
      66              32 :         PR_snprintf(posix_locale,sizeof(posix_locale),"%s_%s.%s",lang_code,country_code,extra);
      67                 :       }
      68                 :       else {
      69               0 :         PR_snprintf(posix_locale,sizeof(posix_locale),"%s_%s",lang_code,country_code);
      70                 :       }
      71                 :     }
      72                 :     else {
      73               0 :       if (*extra) {
      74               0 :         PR_snprintf(posix_locale,sizeof(posix_locale),"%s.%s",lang_code,extra);
      75                 :       }
      76                 :       else {
      77               0 :         PR_snprintf(posix_locale,sizeof(posix_locale),"%s",lang_code);
      78                 :       }
      79                 :     }
      80                 : 
      81              32 :     posixLocale = posix_locale;
      82              32 :     return NS_OK;
      83                 :   }
      84                 : 
      85               0 :   return NS_ERROR_FAILURE;
      86                 : }
      87                 : 
      88                 : nsresult
      89             498 : nsPosixLocale::GetXPLocale(const char* posixLocale, nsAString& locale)
      90                 : {
      91                 :   char  country_code[MAX_COUNTRY_CODE_LEN+1];
      92                 :   char  lang_code[MAX_LANGUAGE_CODE_LEN+1];
      93                 :   char  extra[MAX_EXTRA_LEN+1];
      94                 :   char  posix_locale[MAX_LOCALE_LEN+1];
      95                 : 
      96             498 :   if (posixLocale!=nsnull) {
      97             498 :     if (strcmp(posixLocale,"C")==0 || strcmp(posixLocale,"POSIX")==0) {
      98               0 :       locale.AssignLiteral("en-US");
      99               0 :       return NS_OK;
     100                 :     }
     101             498 :     if (!ParseLocaleString(posixLocale,lang_code,country_code,extra,'_')) {
     102                 : //      * locale = "x-user-defined";
     103                 :       // use posix if parse failed
     104               0 :       CopyASCIItoUTF16(nsDependentCString(posixLocale), locale);
     105               0 :       return NS_OK;
     106                 :     }
     107                 : 
     108                 :     // Special case: substitute "nb" (Norwegian Bokmal) for macrolanguage
     109                 :     // code "no" (Norwegian)
     110             498 :     if (nsDependentCString(lang_code).LowerCaseEqualsLiteral("no")) {
     111               0 :       lang_code[1] = 'b';
     112                 :     }
     113                 : 
     114             498 :     if (*country_code) {
     115             498 :       PR_snprintf(posix_locale,sizeof(posix_locale),"%s-%s",lang_code,country_code);
     116                 :     } 
     117                 :     else {
     118               0 :       PR_snprintf(posix_locale,sizeof(posix_locale),"%s",lang_code);
     119                 :     }
     120                 : 
     121             498 :     CopyASCIItoUTF16(nsDependentCString(posix_locale), locale);
     122             498 :     return NS_OK;
     123                 : 
     124                 :   }
     125                 : 
     126               0 :     return NS_ERROR_FAILURE;
     127                 : 
     128                 : }
     129                 : 
     130                 : //
     131                 : // returns false/true depending on if it was of the form LL-CC.Extra
     132                 : static bool
     133             530 : ParseLocaleString(const char* locale_string, char* language, char* country, char* extra, char separator)
     134                 : {
     135             530 :   const char *src = locale_string;
     136                 :   char modifier[MAX_EXTRA_LEN+1];
     137                 :   char *dest;
     138                 :   int dest_space, len;
     139                 : 
     140             530 :   *language = '\0';
     141             530 :   *country = '\0';
     142             530 :   *extra = '\0';
     143             530 :   if (strlen(locale_string) < 2) {
     144               0 :     return(false);
     145                 :   }
     146                 : 
     147                 :   //
     148                 :   // parse the language part
     149                 :   //
     150             530 :   dest = language;
     151             530 :   dest_space = MAX_LANGUAGE_CODE_LEN;
     152            2120 :   while ((*src) && (isalpha(*src)) && (dest_space--)) {
     153            1060 :     *dest++ = tolower(*src++);
     154                 :   }
     155             530 :   *dest = '\0';
     156             530 :   len = dest - language;
     157             530 :   if ((len != 2) && (len != 3)) {
     158               0 :     NS_ASSERTION((len == 2) || (len == 3), "language code too short");
     159               0 :     NS_ASSERTION(len < 3, "reminder: verify we can handle 3+ character language code in all parts of the system; eg: language packs");
     160               0 :     *language = '\0';
     161               0 :     return(false);
     162                 :   }
     163                 : 
     164                 :   // check if all done
     165             530 :   if (*src == '\0') {
     166               0 :     return(true);
     167                 :   }
     168                 : 
     169             530 :   if ((*src != '_') && (*src != '-') && (*src != '.') && (*src != '@')) {
     170               0 :     NS_ASSERTION(isalpha(*src), "language code too long");
     171               0 :     NS_ASSERTION(!isalpha(*src), "unexpected language/country separator");
     172               0 :     *language = '\0';
     173               0 :     return(false);
     174                 :   }
     175                 : 
     176                 :   //
     177                 :   // parse the country part
     178                 :   //
     179             530 :   if ((*src == '_') || (*src == '-')) { 
     180             530 :     src++;
     181             530 :     dest = country;
     182             530 :     dest_space = MAX_COUNTRY_CODE_LEN;
     183            2120 :     while ((*src) && (isalpha(*src)) && (dest_space--)) {
     184            1060 :       *dest++ = toupper(*src++);
     185                 :     }
     186             530 :     *dest = '\0';
     187             530 :     len = dest - country;
     188             530 :     if (len != 2) {
     189               0 :       NS_ASSERTION(len == 2, "unexpected country code length");
     190               0 :       *language = '\0';
     191               0 :       *country = '\0';
     192               0 :       return(false);
     193                 :     }
     194                 :   }
     195                 : 
     196                 :   // check if all done
     197             530 :   if (*src == '\0') {
     198               0 :     return(true);
     199                 :   }
     200                 : 
     201             530 :   if ((*src != '.') && (*src != '@')) {
     202               0 :     NS_ASSERTION(isalpha(*src), "country code too long");
     203               0 :     NS_ASSERTION(!isalpha(*src), "unexpected country/extra separator");
     204               0 :     *language = '\0';
     205               0 :     *country = '\0';
     206               0 :     return(false);
     207                 :   }
     208                 : 
     209                 :   //
     210                 :   // handle the extra part
     211                 :   //
     212             530 :   if (*src == '.') { 
     213             530 :     src++;  // move past the extra part separator
     214             530 :     dest = extra;
     215             530 :     dest_space = MAX_EXTRA_LEN;
     216            3710 :     while ((*src) && (*src != '@') && (dest_space--)) {
     217            2650 :       *dest++ = *src++;
     218                 :     }
     219             530 :     *dest = '\0';
     220             530 :     len = dest - extra;
     221             530 :     if (len < 1) {
     222               0 :       NS_ASSERTION(len > 0, "found country/extra separator but no extra code");
     223               0 :       *language = '\0';
     224               0 :       *country = '\0';
     225               0 :       *extra = '\0';
     226               0 :       return(false);
     227                 :     }
     228                 :   }
     229                 : 
     230                 :   // check if all done
     231             530 :   if (*src == '\0') {
     232             530 :     return(true);
     233                 :   }
     234                 : 
     235                 :   //
     236                 :   // handle the modifier part
     237                 :   //
     238                 :   
     239               0 :   if (*src == '@') { 
     240               0 :     src++;  // move past the modifier separator
     241               0 :     NS_ASSERTION(strcmp("euro",src) == 0, "found non euro modifier");
     242               0 :     dest = modifier;
     243               0 :     dest_space = MAX_EXTRA_LEN;
     244               0 :     while ((*src) && (dest_space--)) {
     245               0 :       *dest++ = *src++;
     246                 :     }
     247               0 :     *dest = '\0';
     248               0 :     len = dest - modifier;
     249               0 :     if (len < 1) {
     250               0 :       NS_ASSERTION(len > 0, "found modifier separator but no modifier code");
     251               0 :       *language = '\0';
     252               0 :       *country = '\0';
     253               0 :       *extra = '\0';
     254               0 :       *modifier = '\0';
     255               0 :       return(false);
     256                 :     }
     257                 :   }
     258                 : 
     259                 :   // check if all done
     260               0 :   if (*src == '\0') {
     261               0 :     return(true);
     262                 :   }
     263                 : 
     264               0 :   NS_ASSERTION(*src == '\0', "extra/modifier code too long");
     265               0 :   *language = '\0';
     266               0 :   *country = '\0';
     267               0 :   *extra = '\0';
     268                 : 
     269               0 :   return(false);
     270                 : }
     271                 : 

Generated by: LCOV version 1.7