src/language.C

   1 /**
   2  * \file language.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Jean-Marc Lasgouttes
   8  * \author Dekel Tsur
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "language.h"
  16 #include "gettext.h"
  17 #include "encoding.h"
  18 #include "lyxrc.h"
  19 #include "lyxlex.h"
  20 #include "debug.h"
  21
  22 using std::endl;
  23
  24 Languages languages;
  25 Language const * english_language;
  26 Language const * default_language;
  27 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore", "");
  28 Language const * ignore_language = &ignore_lang;
  29 Language latex_lang("latex", "latex", "Latex", false, 0, "latex", "");
  30 Language const * latex_language = &latex_lang;
  31
  32 void Languages::read(string const & filename)
  33 {
  34         // We need to set the encoding of latex_lang
  35         latex_lang = Language("latex", "latex", "Latex", false,
  36                               encodings.getEncoding("iso8859-1"),
  37                               "latex", "");
  38
  39         LyXLex lex(0, 0);
  40         lex.setFile(filename);
  41         while (lex.isOK()) {
  42                 string lang;
  43                 string babel;
  44                 string display;
  45                 string encoding_str;
  46                 string code;
  47                 string latex_options;
  48                 bool rtl = false;
  49
  50                 if (lex.next())
  51                         lang = lex.getString();
  52                 else
  53                         break;
  54                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  55
  56                 if (lex.next())
  57                         babel = lex.getString();
  58                 if (lex.next())
  59                         display = lex.getString();
  60                 if (lex.next())
  61                         rtl = lex.getBool();
  62                 if (lex.next())
  63                         encoding_str = lex.getString();
  64                 if (lex.next())
  65                         code = lex.getString();
  66                 if (lex.next())
  67                         latex_options = lex.getString();
  68
  69                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  70                 if (!encoding) {
  71                         encoding = encodings.getEncoding("iso8859-1");
  72                         lyxerr << "Unknown encoding " << encoding_str << endl;
  73                 }
  74
  75                 languagelist[lang] = Language(lang, babel, display, rtl,
  76                                               encoding, code, latex_options);
  77         }
  78
  79         default_language = getLanguage(lyxrc.default_language);
  80         if (!default_language) {
  81                 lyxerr << "Default language \"" << lyxrc.default_language
  82                        << "\" not found!" << endl;
  83                 default_language = getLanguage("english");
  84                 if (!default_language)
  85                         default_language = &(*languagelist.begin()).second;
  86                 lyxerr << "Using \"" << default_language->lang()
  87                        << "\" instead!" << endl;
  88         }
  89         english_language = getLanguage("english");
  90         if (!english_language)
  91                 english_language = default_language;
  92 }
  93
  94 Language const * Languages::getLanguage(string const & language) const
  95 {
  96         const_iterator it = languagelist.find(language);
  97         if (it != languagelist.end())
  98                 return &it->second;
  99         else
 100                 return 0;
 101 }