src/language.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "language.h"
  18 #include "gettext.h"
  19 #include "encoding.h"
  20 #include "lyxrc.h"
  21 #include "lyx_gui_misc.h"
  22 #include "lyxlex.h"
  23 #include "debug.h"
  24
  25 using std::endl;
  26
  27 Languages languages;
  28 Language const * default_language;
  29 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore");
  30 Language const * ignore_language = &ignore_lang;
  31
  32 void Languages::setDefaults()
  33 {
  34         languagelist["english"] = Language("english", "english", N_("English"),
  35                                            false,
  36                                            encodings.getEncoding("iso8859-1"),
  37                                            "en");
  38         default_language = &languagelist["english"];
  39 }
  40
  41 void Languages::read(string const & filename)
  42 {
  43         LyXLex lex(0, 0);
  44         lex.setFile(filename);
  45         while (lex.IsOK()) {
  46                 string lang, babel, display, encoding_str, code;
  47                 bool rtl = false;
  48
  49                 if (lex.next())
  50                         lang = lex.GetString();
  51                 else
  52                         break;
  53                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  54
  55                 if (lex.next())
  56                         babel = lex.GetString();
  57                 if (lex.next())
  58                         display = lex.GetString();
  59                 if (lex.next())
  60                         rtl = lex.GetBool();
  61                 if (lex.next())
  62                         encoding_str = lex.GetString();
  63                 if (lex.next())
  64                         code = lex.GetString();
  65
  66                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  67                 if (!encoding) {
  68                         encoding = encodings.getEncoding("iso8859-1");
  69                         lyxerr << "Unknown encoding " << encoding_str << endl;
  70                 }
  71
  72                 languagelist[lang] = Language(lang, babel, display, rtl, encoding, code);
  73         }
  74
  75 #ifdef DO_USE_DEFAULT_LANGUAGE
  76         languagelist["default"] = Language("default", "default",
  77                                            N_("Document wide language"),
  78                                            false, &iso8859_1, "");
  79 #endif
  80         default_language = getLanguage(lyxrc.default_language);
  81         if (!default_language) {
  82                 lyxerr << "Default language \"" << lyxrc.default_language
  83                        << "\" not found!" << endl;
  84                 default_language = getLanguage("english");
  85                 if (!default_language)
  86                         default_language = &(*languagelist.begin()).second;
  87                 lyxerr << "Using \"" << default_language->lang()
  88                        << "\" instead!" << endl;
  89         }
  90 }
  91
  92 Language const * Languages::getLanguage(string const & language) const
  93 {
  94         const_iterator it = languagelist.find(language);
  95         if (it != languagelist.end())
  96                 return &(*it).second;
  97         else
  98                 return 0;
  99 }