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 #include <ostream>
  25
  26 using namespace std;
  27 using namespace lyx::support;
  28
  29
  30 namespace lyx {
  31
  32 Languages languages;
  33 Language ignore_lang;
  34 Language latex_lang;
  35 Language const * english_language;
  36 Language const * default_language;
  37 Language const * ignore_language = &ignore_lang;
  38 Language const * latex_language = &latex_lang;
  39
  40
  41 bool Language::read(Lexer & lex)
  42 {
  43         encoding_ = 0;
  44         lex >> lang_;
  45         lex >> babel_;
  46         lex >> display_;
  47         lex >> rightToLeft_;
  48         lex >> encodingStr_;
  49         lex >> code_;
  50         lex >> latex_options_;
  51         if (!lex)
  52                 return false;
  53
  54         encoding_ = encodings.fromLyXName(encodingStr_);
  55         if (!encoding_ && !encodingStr_.empty()) {
  56                 encoding_ = encodings.fromLyXName("iso8859-1");
  57                 LYXERR0("Unknown encoding " << encodingStr_);
  58         }
  59         return true;
  60 }
  61
  62
  63 void Languages::read(FileName const & filename)
  64 {
  65         Lexer lex;
  66         lex.setFile(filename);
  67         lex.setContext("Languages::read");
  68         while (1) {
  69                 Language l;
  70                 l.read(lex);
  71                 if (!lex)
  72                         break;
  73                 LYXERR(Debug::INFO, "Reading language " << l.lang());
  74                 if (l.lang() == "latex")
  75                         latex_lang = l;
  76                 else if (l.lang() == "ignore")
  77                         ignore_lang = l;
  78                 else
  79                         languagelist[l.lang()] = l;
  80         }
  81
  82         default_language = getLanguage(lyxrc.default_language);
  83         if (!default_language) {
  84                 LYXERR0("Default language \"" << lyxrc.default_language
  85                        << "\" not found!");
  86                 default_language = getLanguage("english");
  87                 if (!default_language)
  88                         default_language = &(*languagelist.begin()).second;
  89                 LYXERR0("Using \"" << default_language->lang() << "\" instead!");
  90         }
  91         english_language = getLanguage("english");
  92         if (!english_language)
  93                 english_language = default_language;
  94 }
  95
  96
  97 Language const * Languages::getLanguage(string const & language) const
  98 {
  99         const_iterator it = languagelist.find(language);
 100         return it == languagelist.end() ? 0 : &it->second;
 101 }
 102
 103
 104 } // namespace lyx