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"
27 using namespace lyx::support;
35 Language const * default_language;
36 Language const * ignore_language = &ignore_lang;
37 Language const * latex_language = &latex_lang;
38 Language const * reset_language = 0;
41 bool Language::readLanguage(Lexer & lex)
59 // Keep these sorted alphabetically!
60 LexerKeyword languageTags[] = {
61 { "asbabeloptions", LA_AS_BABELOPTS },
62 { "babelname", LA_BABELNAME },
63 { "encoding", LA_ENCODING },
65 { "guiname", LA_GUINAME },
66 { "internalencoding", LA_INTERNAL_ENC },
67 { "langcode", LA_LANG_CODE },
68 { "langvariety", LA_LANG_VARIETY },
69 { "polyglossianame", LA_POLYGLOSSIANAME },
70 { "polyglossiaopts", LA_POLYGLOSSIAOPTS },
71 { "postbabelpreamble", LA_POSTBABELPREAMBLE },
72 { "prebabelpreamble", LA_PREBABELPREAMBLE },
77 bool finished = false;
78 lex.pushTable(languageTags);
79 // parse style section
80 while (!finished && lex.isOK() && !error) {
82 // See comment in LyXRC.cpp.
87 case Lexer::LEX_UNDEF: // parse error
88 lex.printError("Unknown language tag `$$Token'");
95 switch (static_cast<LanguageTags>(le)) {
96 case LA_END: // end of structure
100 lex >> as_babel_options_;
105 case LA_POLYGLOSSIANAME:
106 lex >> polyglossia_name_;
108 case LA_POLYGLOSSIAOPTS:
109 lex >> polyglossia_opts_;
117 case LA_INTERNAL_ENC:
118 lex >> internal_enc_;
123 case LA_LANG_VARIETY:
126 case LA_POSTBABELPREAMBLE:
127 babel_postsettings_ =
128 lex.getLongString("EndPostBabelPreamble");
130 case LA_PREBABELPREAMBLE:
132 lex.getLongString("EndPreBabelPreamble");
140 return finished && !error;
144 bool Language::read(Lexer & lex)
146 as_babel_options_ = 0;
152 lex.printError("No name given for language: `$$Token'.");
156 lang_ = lex.getString();
157 LYXERR(Debug::INFO, "Reading language " << lang_);
158 if (!readLanguage(lex)) {
159 LYXERR0("Error parsing language `" << lang_ << '\'');
163 encoding_ = encodings.fromLyXName(encodingStr_);
164 if (!encoding_ && !encodingStr_.empty()) {
165 encoding_ = encodings.fromLyXName("iso8859-1");
166 LYXERR0("Unknown encoding " << encodingStr_);
171 void Languages::read(FileName const & filename)
174 lex.setFile(filename);
175 lex.setContext("Languages::read");
179 case Lexer::LEX_FEOF:
185 if (lex.getString() != "Language") {
186 lex.printError("Unknown Language tag `$$Token'");
193 if (l.lang() == "latex")
195 else if (l.lang() == "ignore")
198 languagelist[l.lang()] = l;
201 default_language = getLanguage(lyxrc.default_language);
202 if (!default_language) {
203 LYXERR0("Default language \"" << lyxrc.default_language
205 default_language = getLanguage("english");
206 if (!default_language)
207 default_language = &(*languagelist.begin()).second;
208 LYXERR0("Using \"" << default_language->lang() << "\" instead!");
213 Language const * Languages::getLanguage(string const & language) const
215 if (language == "reset")
216 return reset_language;
217 if (language == "ignore")
218 return ignore_language;
219 const_iterator it = languagelist.find(language);
220 return it == languagelist.end() ? reset_language : &it->second;