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 "support/debug.h"
  18 #include "Encoding.h"
  19 #include "Lexer.h"
  20 #include "LyXRC.h"
  21
  22 #include "support/FileName.h"
  23
  24 #include <ostream>
  25
  26 using std::endl;
  27 using std::string;
  28
  29
  30 namespace lyx {
  31
  32
  33 Languages languages;
  34 Language const * english_language;
  35 Language const * default_language;
  36 Language ignore_lang("ignore", "ignore", "Ignore", false, "", 0, "ignore", "");
  37 Language const * ignore_language = &ignore_lang;
  38 Language latex_lang("latex", "", "Latex", false, "", 0, "latex", "");
  39 Language const * latex_language = &latex_lang;
  40
  41
  42 void Languages::read(support::FileName const & filename)
  43 {
  44         // We need to set the encoding of latex_lang
  45         latex_lang = Language("latex", "", "Latex", false, "iso8859-1",
  46                               encodings.getFromLyXName("iso8859-1"),
  47                               "latex", "");
  48
  49         Lexer lex(0, 0);
  50         lex.setFile(filename);
  51         while (lex.isOK()) {
  52                 string lang;
  53                 string babel;
  54                 string display;
  55                 string encoding_str;
  56                 string code;
  57                 string latex_options;
  58                 bool rtl = false;
  59
  60                 if (lex.next())
  61                         lang = lex.getString();
  62                 else
  63                         break;
  64                 LYXERR(Debug::INFO, "Reading language " << lang);
  65
  66                 if (lex.next())
  67                         babel = lex.getString();
  68                 if (lex.next())
  69                         display = lex.getString();
  70                 if (lex.next())
  71                         rtl = lex.getBool();
  72                 if (lex.next())
  73                         encoding_str = lex.getString();
  74                 if (lex.next())
  75                         code = lex.getString();
  76                 if (lex.next())
  77                         latex_options = lex.getString();
  78
  79                 Encoding const * encoding = encodings.getFromLyXName(encoding_str);
  80                 if (!encoding) {
  81                         encoding = encodings.getFromLyXName("iso8859-1");
  82                         lyxerr << "Unknown encoding " << encoding_str << endl;
  83                 }
  84
  85                 languagelist[lang] = Language(lang, babel, display, rtl,
  86                                               encoding_str, encoding, code, latex_options);
  87         }
  88
  89         default_language = getLanguage(lyxrc.default_language);
  90         if (!default_language) {
  91                 lyxerr << "Default language \"" << lyxrc.default_language
  92                        << "\" not found!" << endl;
  93                 default_language = getLanguage("english");
  94                 if (!default_language)
  95                         default_language = &(*languagelist.begin()).second;
  96                 lyxerr << "Using \"" << default_language->lang()
  97                        << "\" instead!" << endl;
  98         }
  99         english_language = getLanguage("english");
 100         if (!english_language)
 101                 english_language = default_language;
 102 }
 103
 104
 105 Language const * Languages::getLanguage(string const & language) const
 106 {
 107         const_iterator it = languagelist.find(language);
 108         return it == languagelist.end() ? 0 : &it->second;
 109 }
 110
 111
 112 } // namespace lyx