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 #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 "lyxlex.h"
  22 #include "debug.h"
  23
  24 using std::endl;
  25
  26 Languages languages;
  27 Language const * english_language;
  28 Language const * default_language;
  29 Language ignore_lang("ignore", "ignore", "Ignore", false, 0, "ignore", "");
  30 Language const * ignore_language = &ignore_lang;
  31 Language latex_lang("latex", "latex", "Latex", false, 0, "latex", "");
  32 Language const * latex_language = &latex_lang;
  33
  34 void Languages::setDefaults()
  35 {
  36         // We need to set the encoding of latex_lang
  37         latex_lang = Language("latex", "latex", "Latex", false,
  38                               encodings.getEncoding("iso8859-1"),
  39                               "latex", "");
  40
  41         languagelist["english"] = Language("english", "english", N_("English"),
  42                                            false,
  43                                            encodings.getEncoding("iso8859-1"),
  44                                            "en", "");
  45         english_language = default_language = &languagelist["english"];
  46 }
  47
  48 void Languages::read(string const & filename)
  49 {
  50         // We need to set the encoding of latex_lang
  51         latex_lang = Language("latex", "latex", "Latex", false,
  52                               encodings.getEncoding("iso8859-1"),
  53                               "latex", "");
  54
  55         LyXLex lex(0, 0);
  56         lex.setFile(filename);
  57         while (lex.isOK()) {
  58                 string lang;
  59                 string babel;
  60                 string display;
  61                 string encoding_str;
  62                 string code;
  63                 string latex_options;
  64                 bool rtl = false;
  65
  66                 if (lex.next())
  67                         lang = lex.getString();
  68                 else
  69                         break;
  70                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  71
  72                 if (lex.next())
  73                         babel = lex.getString();
  74                 if (lex.next())
  75                         display = lex.getString();
  76                 if (lex.next())
  77                         rtl = lex.getBool();
  78                 if (lex.next())
  79                         encoding_str = lex.getString();
  80                 if (lex.next())
  81                         code = lex.getString();
  82                 if (lex.next())
  83                         latex_options = lex.getString();
  84
  85                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  86                 if (!encoding) {
  87                         encoding = encodings.getEncoding("iso8859-1");
  88                         lyxerr << "Unknown encoding " << encoding_str << endl;
  89                 }
  90
  91                 languagelist[lang] = Language(lang, babel, display, rtl,
  92                                               encoding, code, latex_options);
  93         }
  94
  95         default_language = getLanguage(lyxrc.default_language);
  96         if (!default_language) {
  97                 lyxerr << "Default language \"" << lyxrc.default_language
  98                        << "\" not found!" << endl;
  99                 default_language = getLanguage("english");
 100                 if (!default_language)
 101                         default_language = &(*languagelist.begin()).second;
 102                 lyxerr << "Using \"" << default_language->lang()
 103                        << "\" instead!" << endl;
 104         }
 105         english_language = getLanguage("english");
 106         if (!english_language)
 107                 english_language = default_language;
 108 }
 109
 110 Language const * Languages::getLanguage(string const & language) const
 111 {
 112         const_iterator it = languagelist.find(language);
 113         if (it != languagelist.end())
 114                 return &it->second;
 115         else
 116                 return 0;
 117 }