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 "Encoding.h"
  18 #include "Lexer.h"
  19 #include "LyXRC.h"
  20
  21 #include "support/debug.h"
  22 #include "support/FileName.h"
  23
  24 using namespace std;
  25 using namespace lyx::support;
  26
  27
  28 namespace lyx {
  29
  30 Languages languages;
  31 Language ignore_lang;
  32 Language latex_lang;
  33 Language const * default_language;
  34 Language const * ignore_language = &ignore_lang;
  35 Language const * latex_language = &latex_lang;
  36
  37
  38 bool Language::read(Lexer & lex)
  39 {
  40         encoding_ = 0;
  41         lex >> lang_;
  42         lex >> babel_;
  43         lex >> display_;
  44         lex >> rightToLeft_;
  45         lex >> encodingStr_;
  46         lex >> code_;
  47         lex >> latex_options_;
  48         if (!lex)
  49                 return false;
  50
  51         encoding_ = encodings.fromLyXName(encodingStr_);
  52         if (!encoding_ && !encodingStr_.empty()) {
  53                 encoding_ = encodings.fromLyXName("iso8859-1");
  54                 LYXERR0("Unknown encoding " << encodingStr_);
  55         }
  56         return true;
  57 }
  58
  59
  60 void Languages::read(FileName const & filename)
  61 {
  62         Lexer lex;
  63         lex.setFile(filename);
  64         lex.setContext("Languages::read");
  65         while (1) {
  66                 Language l;
  67                 l.read(lex);
  68                 if (!lex)
  69                         break;
  70                 LYXERR(Debug::INFO, "Reading language " << l.lang());
  71                 if (l.lang() == "latex")
  72                         latex_lang = l;
  73                 else if (l.lang() == "ignore")
  74                         ignore_lang = l;
  75                 else
  76                         languagelist[l.lang()] = l;
  77         }
  78
  79         default_language = getLanguage(lyxrc.default_language);
  80         if (!default_language) {
  81                 LYXERR0("Default language \"" << lyxrc.default_language
  82                        << "\" not found!");
  83                 default_language = getLanguage("english");
  84                 if (!default_language)
  85                         default_language = &(*languagelist.begin()).second;
  86                 LYXERR0("Using \"" << default_language->lang() << "\" instead!");
  87         }
  88 }
  89
  90
  91 Language const * Languages::getLanguage(string const & language) const
  92 {
  93         const_iterator it = languagelist.find(language);
  94         return it == languagelist.end() ? 0 : &it->second;
  95 }
  96
  97
  98 } // namespace lyx