apt-pkg/indexfile.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: indexfile.cc,v 1.2.2.1 2003/12/24 23:09:17 mdz Exp $
   4 /* ######################################################################
   5
   6    Index File - Abstraction for an index of archive/souce file.
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 // Include Files                                                        /*{{{*/
  11 #include <apt-pkg/configuration.h>
  12 #include <apt-pkg/indexfile.h>
  13 #include <apt-pkg/error.h>
  14
  15 #include <clocale>
  16 #include <cstring>
  17                                                                         /*}}}*/
  18
  19 // Global list of Item supported
  20 static  pkgIndexFile::Type *ItmList[10];
  21 pkgIndexFile::Type **pkgIndexFile::Type::GlobalList = ItmList;
  22 unsigned long pkgIndexFile::Type::GlobalListLen = 0;
  23
  24 // Type::Type - Constructor                                             /*{{{*/
  25 // ---------------------------------------------------------------------
  26 /* */
  27 pkgIndexFile::Type::Type()
  28 {
  29    ItmList[GlobalListLen] = this;
  30    GlobalListLen++;
  31 }
  32                                                                         /*}}}*/
  33 // Type::GetType - Locate the type by name                              /*{{{*/
  34 // ---------------------------------------------------------------------
  35 /* */
  36 pkgIndexFile::Type *pkgIndexFile::Type::GetType(const char *Type)
  37 {
  38    for (unsigned I = 0; I != GlobalListLen; I++)
  39       if (strcmp(GlobalList[I]->Label,Type) == 0)
  40          return GlobalList[I];
  41    return 0;
  42 }
  43                                                                         /*}}}*/
  44 // IndexFile::ArchiveInfo - Stub                                        /*{{{*/
  45 // ---------------------------------------------------------------------
  46 /* */
  47 string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator Ver) const
  48 {
  49    return string();
  50 }
  51                                                                         /*}}}*/
  52 // IndexFile::FindInCache - Stub                                        /*{{{*/
  53 // ---------------------------------------------------------------------
  54 /* */
  55 pkgCache::PkgFileIterator pkgIndexFile::FindInCache(pkgCache &Cache) const
  56 {
  57    return pkgCache::PkgFileIterator(Cache);
  58 }
  59                                                                         /*}}}*/
  60 // IndexFile::SourceIndex - Stub                                        /*{{{*/
  61 // ---------------------------------------------------------------------
  62 /* */
  63 string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &Record,
  64                                 pkgSrcRecords::File const &File) const
  65 {
  66    return string();
  67 }
  68                                                                         /*}}}*/
  69 // IndexFile::TranslationsAvailable - Check if will use Translation    /*{{{*/
  70 // ---------------------------------------------------------------------
  71 /* */
  72 bool pkgIndexFile::TranslationsAvailable()
  73 {
  74   const string Translation = _config->Find("APT::Acquire::Translation");
  75
  76   if (Translation.compare("none") != 0)
  77     return CheckLanguageCode(LanguageCode().c_str());
  78   else
  79     return false;
  80 }
  81                                                                         /*}}}*/
  82 // IndexFile::CheckLanguageCode - Check the Language Code               /*{{{*/
  83 // ---------------------------------------------------------------------
  84 /* */
  85 /* common cases: de_DE, de_DE@euro, de_DE.UTF-8, de_DE.UTF-8@euro,
  86                  de_DE.ISO8859-1, tig_ER
  87                  more in /etc/gdm/locale.conf
  88 */
  89
  90 bool pkgIndexFile::CheckLanguageCode(const char *Lang)
  91 {
  92   if (strlen(Lang) == 2 ||
  93       strlen(Lang) == 3 ||
  94       (strlen(Lang) > 3 && Lang[3] == '_') ||
  95       (strlen(Lang) == 5 && Lang[2] == '_'))
  96   return true;
  97
  98   if (strcmp(Lang,"C") != 0)
  99     _error->Warning("Wrong language code %s", Lang);
 100
 101   return false;
 102 }
 103                                                                         /*}}}*/
 104 // IndexFile::LanguageCode - Return the Language Code                   /*{{{*/
 105 // ---------------------------------------------------------------------
 106 /* return the language code */
 107 string pkgIndexFile::LanguageCode()
 108 {
 109   const string Translation = _config->Find("APT::Acquire::Translation");
 110
 111   if (Translation.compare("environment") == 0)
 112   {
 113      string lang = std::setlocale(LC_MESSAGES,NULL);
 114
 115      // we have a mapping of the language codes that contains all the language
 116      // codes that need the country code as well
 117      // (like pt_BR, pt_PT, sv_SE, zh_*, en_*)
 118      const char *need_full_langcode[] = { "en_",
 119                                           "pt_",
 120                                           "sv_",
 121                                           "zh_",
 122                                           NULL };
 123      for(const char **s = need_full_langcode;*s != NULL; s++)
 124         if(lang.find(*s) == 0)
 125            return lang.substr(0,5);
 126
 127      if(lang.find("_") != lang.npos)
 128         return lang.substr(0, lang.find("_"));
 129      else if(lang.find(".") != lang.npos)
 130         return lang.substr(0, lang.find("."));
 131      else
 132         return lang;
 133   }
 134   else
 135      return Translation;
 136 }
 137                                                                         /*}}}*/