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         // We need to set the encoding of latex_lang
  41         latex_lang = Language("latex", "latex", "Latex", false,
  42                               encodings.getEncoding("iso8859-1"),
  43                               "latex", "");
  44
  45         languagelist["english"] = Language("english", "english", N_("English"),
  46                                            false,
  47                                            encodings.getEncoding("iso8859-1"),
  48                                            "en", "");
  49         english_language = default_language = &languagelist["english"];
  50 }
  51
  52 void Languages::read(string const & filename)
  53 {
  54         // We need to set the encoding of latex_lang
  55         latex_lang = Language("latex", "latex", "Latex", false,
  56                               encodings.getEncoding("iso8859-1"),
  57                               "latex", "");
  58
  59         LyXLex lex(0, 0);
  60         lex.setFile(filename);
  61         while (lex.isOK()) {
  62                 string lang;
  63                 string babel;
  64                 string display;
  65                 string encoding_str;
  66                 string code;
  67                 string latex_options;
  68                 bool rtl = false;
  69
  70                 if (lex.next())
  71                         lang = lex.getString();
  72                 else
  73                         break;
  74                 lyxerr[Debug::INIT] << "Reading language " << lang << endl;
  75
  76                 if (lex.next())
  77                         babel = lex.getString();
  78                 if (lex.next())
  79                         display = lex.getString();
  80                 if (lex.next())
  81                         rtl = lex.getBool();
  82                 if (lex.next())
  83                         encoding_str = lex.getString();
  84                 if (lex.next())
  85                         code = lex.getString();
  86                 if (lex.next())
  87                         latex_options = lex.getString();
  88
  89                 Encoding const * encoding = encodings.getEncoding(encoding_str);
  90                 if (!encoding) {
  91                         encoding = encodings.getEncoding("iso8859-1");
  92                         lyxerr << "Unknown encoding " << encoding_str << endl;
  93                 }
  94
  95                 languagelist[lang] = Language(lang, babel, display, rtl,
  96                                               encoding, code, latex_options);
  97         }
  98
  99         default_language = getLanguage(lyxrc.default_language);
 100         if (!default_language) {
 101                 lyxerr << "Default language \"" << lyxrc.default_language
 102                        << "\" not found!" << endl;
 103                 default_language = getLanguage("english");
 104                 if (!default_language)
 105                         default_language = &(*languagelist.begin()).second;
 106                 lyxerr << "Using \"" << default_language->lang()
 107                        << "\" instead!" << endl;
 108         }
 109         english_language = getLanguage("english");
 110         if (!english_language)
 111                 english_language = default_language;
 112 }
 113
 114 Language const * Languages::getLanguage(string const & language) const
 115 {
 116         const_iterator it = languagelist.find(language);
 117         if (it != languagelist.end())
 118                 return &it->second;
 119         else
 120                 return 0;
 121 }