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 #ifdef INHERIT_LANG
  34 Language inherit_lang("inherit", "inherit", "Inherit", false, 0, "inherit", "");
  35 Language const * inherit_language = &inherit_lang;
  36 #endif
  37
  38 void Languages::setDefaults()
  39 {
  40         languagelist["english"] = Language("english", "english", N_("English"),
  41                                            false,
  42                                            encodings.getEncoding("iso8859-1"),
  43                                            "en", "");
  44         english_language = default_language = &languagelist["english"];
  45 }
  46
  47 void Languages::read(string const & filename)
  48 {
  49         LyXLex lex(0, 0);
  50         lex.setFile(filename);
  51         while (lex.isOK()) {
  52                 string lang;
  53                 string babel;
  54                 string display;
  55                 string encoding_str;
  56                 string code;
  57                 string latex_options;
  58                 bool rtl = false;
  59
  60                 if (lex.next())
  61                         lang = lex.getString();
  62                 else
  63                         break;
  64                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  65
  66                 if (lex.next())
  67                         babel = lex.getString();
  68                 if (lex.next())
  69                         display = lex.getString();
  70                 if (lex.next())
  71                         rtl = lex.getBool();
  72                 if (lex.next())
  73                         encoding_str = lex.getString();
  74                 if (lex.next())
  75                         code = lex.getString();
  76                 if (lex.next())
  77                         latex_options = lex.getString();
  78
  79                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  80                 if (!encoding) {
  81                         encoding = encodings.getEncoding("iso8859-1");
  82                         lyxerr << "Unknown encoding " << encoding_str << endl;
  83                 }
  84
  85                 languagelist[lang] = Language(lang, babel, display, rtl,
  86                                               encoding, code, latex_options);
  87         }
  88
  89         default_language = getLanguage(lyxrc.default_language);
  90         if (!default_language) {
  91                 lyxerr << "Default language \"" << lyxrc.default_language
  92                        << "\" not found!" << endl;
  93                 default_language = getLanguage("english");
  94                 if (!default_language)
  95                         default_language = &(*languagelist.begin()).second;
  96                 lyxerr << "Using \"" << default_language->lang()
  97                        << "\" instead!" << endl;
  98         }
  99         english_language = getLanguage("english");
 100         if (!english_language)
 101                 english_language = default_language;
 102 }
 103
 104 Language const * Languages::getLanguage(string const & language) const
 105 {
 106         const_iterator it = languagelist.find(language);
 107         if (it != languagelist.end())
 108                 return &it->second;
 109         else
 110                 return 0;
 111 }