3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
7 * \author Jean-Marc Lasgouttes
8 * \author Jürgen Spitzmüller
11 * Full author contact details are available in file CREDITS.
22 #include "support/debug.h"
23 #include "support/FileName.h"
24 #include "support/lstrings.h"
25 #include "support/Messages.h"
28 using namespace lyx::support;
36 Language const * default_language;
37 Language const * ignore_language = &ignore_lang;
38 Language const * latex_language = &latex_lang;
39 Language const * reset_language = 0;
42 bool Language::readLanguage(Lexer & lex)
60 // Keep these sorted alphabetically!
61 LexerKeyword languageTags[] = {
62 { "asbabeloptions", LA_AS_BABELOPTS },
63 { "babelname", LA_BABELNAME },
64 { "encoding", LA_ENCODING },
66 { "guiname", LA_GUINAME },
67 { "internalencoding", LA_INTERNAL_ENC },
68 { "langcode", LA_LANG_CODE },
69 { "langvariety", LA_LANG_VARIETY },
70 { "polyglossianame", LA_POLYGLOSSIANAME },
71 { "polyglossiaopts", LA_POLYGLOSSIAOPTS },
72 { "postbabelpreamble", LA_POSTBABELPREAMBLE },
73 { "prebabelpreamble", LA_PREBABELPREAMBLE },
78 bool finished = false;
79 lex.pushTable(languageTags);
80 // parse style section
81 while (!finished && lex.isOK() && !error) {
83 // See comment in LyXRC.cpp.
88 case Lexer::LEX_UNDEF: // parse error
89 lex.printError("Unknown language tag `$$Token'");
96 switch (static_cast<LanguageTags>(le)) {
97 case LA_END: // end of structure
100 case LA_AS_BABELOPTS:
101 lex >> as_babel_options_;
106 case LA_POLYGLOSSIANAME:
107 lex >> polyglossia_name_;
109 case LA_POLYGLOSSIAOPTS:
110 lex >> polyglossia_opts_;
118 case LA_INTERNAL_ENC:
119 lex >> internal_enc_;
124 case LA_LANG_VARIETY:
127 case LA_POSTBABELPREAMBLE:
128 babel_postsettings_ =
129 lex.getLongString("EndPostBabelPreamble");
131 case LA_PREBABELPREAMBLE:
133 lex.getLongString("EndPreBabelPreamble");
141 return finished && !error;
145 bool Language::read(Lexer & lex)
147 as_babel_options_ = 0;
153 lex.printError("No name given for language: `$$Token'.");
157 lang_ = lex.getString();
158 LYXERR(Debug::INFO, "Reading language " << lang_);
159 if (!readLanguage(lex)) {
160 LYXERR0("Error parsing language `" << lang_ << '\'');
164 encoding_ = encodings.fromLyXName(encodingStr_);
165 if (!encoding_ && !encodingStr_.empty()) {
166 encoding_ = encodings.fromLyXName("iso8859-1");
167 LYXERR0("Unknown encoding " << encodingStr_);
169 // cache translation status. Calling getMessages() directly in
170 // PrefLanguage::PrefLanguage() did only work if the gui language
171 // was set to auto (otherwise all languages would be marked as available).
172 translated_ = getMessages(code()).available();
176 void Languages::read(FileName const & filename)
179 lex.setFile(filename);
180 lex.setContext("Languages::read");
184 case Lexer::LEX_FEOF:
190 if (lex.getString() != "Language") {
191 lex.printError("Unknown Language tag `$$Token'");
198 if (l.lang() == "latex")
200 else if (l.lang() == "ignore")
203 languagelist[l.lang()] = l;
206 default_language = getLanguage(lyxrc.default_language);
207 if (!default_language) {
208 LYXERR0("Default language \"" << lyxrc.default_language
210 default_language = getLanguage("english");
211 if (!default_language)
212 default_language = &(*languagelist.begin()).second;
213 LYXERR0("Using \"" << default_language->lang() << "\" instead!");
218 Language const * Languages::getLanguage(string const & language) const
220 if (language == "reset")
221 return reset_language;
222 if (language == "ignore")
223 return ignore_language;
224 const_iterator it = languagelist.find(language);
225 return it == languagelist.end() ? reset_language : &it->second;