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
  17 #include "debug.h"
  18 #include "encoding.h"
  19 #include "lyxlex.h"
  20 #include "lyxrc.h"
  21
  22 using std::endl;
  23 using std::string;
  24
  25
  26 Languages languages;
  27 Language const * english_language;
  28 Language const * default_language;
  29 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore", "");
  30 Language const * ignore_language = &ignore_lang;
  31 Language latex_lang("latex", "latex", "Latex", false, 0, "latex", "");
  32 Language const * latex_language = &latex_lang;
  33
  34 void Languages::read(string const & filename)
  35 {
  36         // We need to set the encoding of latex_lang
  37         latex_lang = Language("latex", "latex", "Latex", false,
  38                               encodings.getEncoding("iso8859-1"),
  39                               "latex", "");
  40
  41         LyXLex lex(0, 0);
  42         lex.setFile(filename);
  43         while (lex.isOK()) {
  44                 string lang;
  45                 string babel;
  46                 string display;
  47                 string encoding_str;
  48                 string code;
  49                 string latex_options;
  50                 bool rtl = false;
  51
  52                 if (lex.next())
  53                         lang = lex.getString();
  54                 else
  55                         break;
  56                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  57
  58                 if (lex.next())
  59                         babel = lex.getString();
  60                 if (lex.next())
  61                         display = lex.getString();
  62                 if (lex.next())
  63                         rtl = lex.getBool();
  64                 if (lex.next())
  65                         encoding_str = lex.getString();
  66                 if (lex.next())
  67                         code = lex.getString();
  68                 if (lex.next())
  69                         latex_options = lex.getString();
  70
  71                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  72                 if (!encoding) {
  73                         encoding = encodings.getEncoding("iso8859-1");
  74                         lyxerr << "Unknown encoding " << encoding_str << endl;
  75                 }
  76
  77                 languagelist[lang] = Language(lang, babel, display, rtl,
  78                                               encoding, code, latex_options);
  79         }
  80
  81         default_language = getLanguage(lyxrc.default_language);
  82         if (!default_language) {
  83                 lyxerr << "Default language \"" << lyxrc.default_language
  84                        << "\" not found!" << endl;
  85                 default_language = getLanguage("english");
  86                 if (!default_language)
  87                         default_language = &(*languagelist.begin()).second;
  88                 lyxerr << "Using \"" << default_language->lang()
  89                        << "\" instead!" << endl;
  90         }
  91         english_language = getLanguage("english");
  92         if (!english_language)
  93                 english_language = default_language;
  94 }
  95
  96 Language const * Languages::getLanguage(string const & language) const
  97 {
  98         const_iterator it = languagelist.find(language);
  99         if (it != languagelist.end())
 100                 return &it->second;
 101         else
 102                 return 0;
 103 }