src/language.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "language.h"
  14 #include "gettext.h"
  15 #include "encoding.h"
  16 #include "lyxrc.h"
  17 #include "lyxlex.h"
  18 #include "debug.h"
  19
  20 using std::endl;
  21
  22 Languages languages;
  23 Language const * english_language;
  24 Language const * default_language;
  25 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore", "");
  26 Language const * ignore_language = &ignore_lang;
  27 Language latex_lang("latex", "latex", "Latex", false, 0, "latex", "");
  28 Language const * latex_language = &latex_lang;
  29
  30 void Languages::read(string const & filename)
  31 {
  32         // We need to set the encoding of latex_lang
  33         latex_lang = Language("latex", "latex", "Latex", false,
  34                               encodings.getEncoding("iso8859-1"),
  35                               "latex", "");
  36
  37         LyXLex lex(0, 0);
  38         lex.setFile(filename);
  39         while (lex.isOK()) {
  40                 string lang;
  41                 string babel;
  42                 string display;
  43                 string encoding_str;
  44                 string code;
  45                 string latex_options;
  46                 bool rtl = false;
  47
  48                 if (lex.next())
  49                         lang = lex.getString();
  50                 else
  51                         break;
  52                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  53
  54                 if (lex.next())
  55                         babel = lex.getString();
  56                 if (lex.next())
  57                         display = lex.getString();
  58                 if (lex.next())
  59                         rtl = lex.getBool();
  60                 if (lex.next())
  61                         encoding_str = lex.getString();
  62                 if (lex.next())
  63                         code = lex.getString();
  64                 if (lex.next())
  65                         latex_options = lex.getString();
  66
  67                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  68                 if (!encoding) {
  69                         encoding = encodings.getEncoding("iso8859-1");
  70                         lyxerr << "Unknown encoding " << encoding_str << endl;
  71                 }
  72
  73                 languagelist[lang] = Language(lang, babel, display, rtl,
  74                                               encoding, code, latex_options);
  75         }
  76
  77         default_language = getLanguage(lyxrc.default_language);
  78         if (!default_language) {
  79                 lyxerr << "Default language \"" << lyxrc.default_language
  80                        << "\" not found!" << endl;
  81                 default_language = getLanguage("english");
  82                 if (!default_language)
  83                         default_language = &(*languagelist.begin()).second;
  84                 lyxerr << "Using \"" << default_language->lang()
  85                        << "\" instead!" << endl;
  86         }
  87         english_language = getLanguage("english");
  88         if (!english_language)
  89                 english_language = default_language;
  90 }
  91
  92 Language const * Languages::getLanguage(string const & language) const
  93 {
  94         const_iterator it = languagelist.find(language);
  95         if (it != languagelist.end())
  96                 return &it->second;
  97         else
  98                 return 0;
  99 }