src/language.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include "language.h"
  14 #include "gettext.h"
  15 #include "encoding.h"
  16 #include "lyxrc.h"
  17 #include "lyxlex.h"
  18 #include "debug.h"
  19
  20 using std::endl;
  21
  22 Languages languages;
  23 Language const * english_language;
  24 Language const * default_language;
  25 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore", "");
  26 Language const * ignore_language = &ignore_lang;
  27 Language latex_lang("latex", "latex", "Latex", false, 0, "latex", "");
  28 Language const * latex_language = &latex_lang;
  29
  30 void Languages::setDefaults()
  31 {
  32         // We need to set the encoding of latex_lang
  33         latex_lang = Language("latex", "latex", "Latex", false,
  34                               encodings.getEncoding("iso8859-1"),
  35                               "latex", "");
  36
  37         languagelist["english"] = Language("english", "english", N_("English"),
  38                                            false,
  39                                            encodings.getEncoding("iso8859-1"),
  40                                            "en", "");
  41         english_language = default_language = &languagelist["english"];
  42 }
  43
  44 void Languages::read(string const & filename)
  45 {
  46         // We need to set the encoding of latex_lang
  47         latex_lang = Language("latex", "latex", "Latex", false,
  48                               encodings.getEncoding("iso8859-1"),
  49                               "latex", "");
  50
  51         LyXLex lex(0, 0);
  52         lex.setFile(filename);
  53         while (lex.isOK()) {
  54                 string lang;
  55                 string babel;
  56                 string display;
  57                 string encoding_str;
  58                 string code;
  59                 string latex_options;
  60                 bool rtl = false;
  61
  62                 if (lex.next())
  63                         lang = lex.getString();
  64                 else
  65                         break;
  66                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  67
  68                 if (lex.next())
  69                         babel = lex.getString();
  70                 if (lex.next())
  71                         display = lex.getString();
  72                 if (lex.next())
  73                         rtl = lex.getBool();
  74                 if (lex.next())
  75                         encoding_str = lex.getString();
  76                 if (lex.next())
  77                         code = lex.getString();
  78                 if (lex.next())
  79                         latex_options = lex.getString();
  80
  81                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  82                 if (!encoding) {
  83                         encoding = encodings.getEncoding("iso8859-1");
  84                         lyxerr << "Unknown encoding " << encoding_str << endl;
  85                 }
  86
  87                 languagelist[lang] = Language(lang, babel, display, rtl,
  88                                               encoding, code, latex_options);
  89         }
  90
  91         default_language = getLanguage(lyxrc.default_language);
  92         if (!default_language) {
  93                 lyxerr << "Default language \"" << lyxrc.default_language
  94                        << "\" not found!" << endl;
  95                 default_language = getLanguage("english");
  96                 if (!default_language)
  97                         default_language = &(*languagelist.begin()).second;
  98                 lyxerr << "Using \"" << default_language->lang()
  99                        << "\" instead!" << endl;
 100         }
 101         english_language = getLanguage("english");
 102         if (!english_language)
 103                 english_language = default_language;
 104 }
 105
 106 Language const * Languages::getLanguage(string const & language) const
 107 {
 108         const_iterator it = languagelist.find(language);
 109         if (it != languagelist.end())
 110                 return &it->second;
 111         else
 112                 return 0;
 113 }