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 * english_language;
  29 Language const * default_language;
  30 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore");
  31 Language const * ignore_language = &ignore_lang;
  32
  33 void Languages::setDefaults()
  34 {
  35         languagelist["english"] = Language("english", "english", N_("English"),
  36                                            false,
  37                                            encodings.getEncoding("iso8859-1"),
  38                                            "en");
  39         english_language = default_language = &languagelist["english"];
  40 }
  41
  42 void Languages::read(string const & filename)
  43 {
  44         LyXLex lex(0, 0);
  45         lex.setFile(filename);
  46         while (lex.IsOK()) {
  47                 string lang, babel, display, encoding_str, code;
  48                 bool rtl = false;
  49
  50                 if (lex.next())
  51                         lang = lex.GetString();
  52                 else
  53                         break;
  54                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  55
  56                 if (lex.next())
  57                         babel = lex.GetString();
  58                 if (lex.next())
  59                         display = lex.GetString();
  60                 if (lex.next())
  61                         rtl = lex.GetBool();
  62                 if (lex.next())
  63                         encoding_str = lex.GetString();
  64                 if (lex.next())
  65                         code = lex.GetString();
  66
  67                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  68                 if (!encoding) {
  69                         encoding = encodings.getEncoding("iso8859-1");
  70                         lyxerr << "Unknown encoding " << encoding_str << endl;
  71                 }
  72
  73                 languagelist[lang] = Language(lang, babel, display, rtl, encoding, code);
  74         }
  75
  76 #ifdef DO_USE_DEFAULT_LANGUAGE
  77         languagelist["default"] = Language("default", "default",
  78                                            N_("Document wide language"),
  79                                            false, &iso8859_1, "");
  80 #endif
  81         default_language = getLanguage(lyxrc.default_language);
  82         if (!default_language) {
  83                 lyxerr << "Default language \"" << lyxrc.default_language
  84                        << "\" not found!" << endl;
  85                 default_language = getLanguage("english");
  86                 if (!default_language)
  87                         default_language = &(*languagelist.begin()).second;
  88                 lyxerr << "Using \"" << default_language->lang()
  89                        << "\" instead!" << endl;
  90         }
  91         english_language = getLanguage("english");
  92         if (!english_language)
  93                 english_language = default_language;
  94 }
  95
  96 Language const * Languages::getLanguage(string const & language) const
  97 {
  98         const_iterator it = languagelist.find(language);
  99         if (it != languagelist.end())
 100                 return &(*it).second;
 101         else
 102                 return 0;
 103 }