src/Language.cpp

   1 /**
   2  * \file Language.cpp
   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 "Lexer.h"
  20 #include "LyXRC.h"
  21
  22 #include "support/FileName.h"
  23
  24
  25 namespace lyx {
  26
  27 using std::endl;
  28 using std::string;
  29
  30
  31 Languages languages;
  32 Language const * english_language;
  33 Language const * default_language;
  34 Language ignore_lang("ignore", "ignore", "Ignore", false, "", 0, "ignore", "");
  35 Language const * ignore_language = &ignore_lang;
  36 Language latex_lang("latex", "latex", "Latex", false, "", 0, "latex", "");
  37 Language const * latex_language = &latex_lang;
  38
  39
  40 void Languages::read(support::FileName const & filename)
  41 {
  42         // We need to set the encoding of latex_lang
  43         latex_lang = Language("latex", "latex", "Latex", false, "iso8859-1",
  44                               encodings.getFromLyXName("iso8859-1"),
  45                               "latex", "");
  46
  47         Lexer lex(0, 0);
  48         lex.setFile(filename);
  49         while (lex.isOK()) {
  50                 string lang;
  51                 string babel;
  52                 string display;
  53                 string encoding_str;
  54                 string code;
  55                 string latex_options;
  56                 bool rtl = false;
  57
  58                 if (lex.next())
  59                         lang = lex.getString();
  60                 else
  61                         break;
  62                 LYXERR(Debug::INFO) << "Reading language " << lang << endl;
  63
  64                 if (lex.next())
  65                         babel = lex.getString();
  66                 if (lex.next())
  67                         display = lex.getString();
  68                 if (lex.next())
  69                         rtl = lex.getBool();
  70                 if (lex.next())
  71                         encoding_str = lex.getString();
  72                 if (lex.next())
  73                         code = lex.getString();
  74                 if (lex.next())
  75                         latex_options = lex.getString();
  76
  77                 Encoding const * encoding = encodings.getFromLyXName(encoding_str);
  78                 if (!encoding) {
  79                         encoding = encodings.getFromLyXName("iso8859-1");
  80                         lyxerr << "Unknown encoding " << encoding_str << endl;
  81                 }
  82
  83                 languagelist[lang] = Language(lang, babel, display, rtl,
  84                                               encoding_str, encoding, code, latex_options);
  85         }
  86
  87         default_language = getLanguage(lyxrc.default_language);
  88         if (!default_language) {
  89                 lyxerr << "Default language \"" << lyxrc.default_language
  90                        << "\" not found!" << endl;
  91                 default_language = getLanguage("english");
  92                 if (!default_language)
  93                         default_language = &(*languagelist.begin()).second;
  94                 lyxerr << "Using \"" << default_language->lang()
  95                        << "\" instead!" << endl;
  96         }
  97         english_language = getLanguage("english");
  98         if (!english_language)
  99                 english_language = default_language;
 100 }
 101
 102
 103 Language const * Languages::getLanguage(string const & language) const
 104 {
 105         const_iterator it = languagelist.find(language);
 106         return it == languagelist.end() ? 0 : &it->second;
 107 }
 108
 109
 110 } // namespace lyx