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/filetools.h"
25 #include "support/lstrings.h"
26 #include "support/Messages.h"
29 using namespace lyx::support;
37 Language const * default_language;
38 Language const * ignore_language = &ignore_lang;
39 Language const * latex_language = &latex_lang;
40 Language const * reset_language = 0;
43 docstring const Language::translateLayout(string const & m) const
49 lyxerr << "Warning: not translating `" << m
50 << "' because it is not pure ASCII.\n";
54 TranslationMap::const_iterator it = layoutTranslations_.find(m);
55 if (it != layoutTranslations_.end())
62 bool Language::readLanguage(Lexer & lex)
80 // Keep these sorted alphabetically!
81 LexerKeyword languageTags[] = {
82 { "asbabeloptions", LA_AS_BABELOPTS },
83 { "babelname", LA_BABELNAME },
84 { "encoding", LA_ENCODING },
86 { "guiname", LA_GUINAME },
87 { "internalencoding", LA_INTERNAL_ENC },
88 { "langcode", LA_LANG_CODE },
89 { "langvariety", LA_LANG_VARIETY },
90 { "polyglossianame", LA_POLYGLOSSIANAME },
91 { "polyglossiaopts", LA_POLYGLOSSIAOPTS },
92 { "postbabelpreamble", LA_POSTBABELPREAMBLE },
93 { "prebabelpreamble", LA_PREBABELPREAMBLE },
98 bool finished = false;
99 lex.pushTable(languageTags);
100 // parse style section
101 while (!finished && lex.isOK() && !error) {
103 // See comment in LyXRC.cpp.
105 case Lexer::LEX_FEOF:
108 case Lexer::LEX_UNDEF: // parse error
109 lex.printError("Unknown language tag `$$Token'");
116 switch (static_cast<LanguageTags>(le)) {
117 case LA_END: // end of structure
120 case LA_AS_BABELOPTS:
121 lex >> as_babel_options_;
126 case LA_POLYGLOSSIANAME:
127 lex >> polyglossia_name_;
129 case LA_POLYGLOSSIAOPTS:
130 lex >> polyglossia_opts_;
138 case LA_INTERNAL_ENC:
139 lex >> internal_enc_;
144 case LA_LANG_VARIETY:
147 case LA_POSTBABELPREAMBLE:
148 babel_postsettings_ =
149 lex.getLongString("EndPostBabelPreamble");
151 case LA_PREBABELPREAMBLE:
153 lex.getLongString("EndPreBabelPreamble");
161 return finished && !error;
165 bool Language::read(Lexer & lex)
167 as_babel_options_ = 0;
173 lex.printError("No name given for language: `$$Token'.");
177 lang_ = lex.getString();
178 LYXERR(Debug::INFO, "Reading language " << lang_);
179 if (!readLanguage(lex)) {
180 LYXERR0("Error parsing language `" << lang_ << '\'');
184 encoding_ = encodings.fromLyXName(encodingStr_);
185 if (!encoding_ && !encodingStr_.empty()) {
186 encoding_ = encodings.fromLyXName("iso8859-1");
187 LYXERR0("Unknown encoding " << encodingStr_);
189 // cache translation status. Calling getMessages() directly in
190 // PrefLanguage::PrefLanguage() did only work if the gui language
191 // was set to auto (otherwise all languages would be marked as available).
192 translated_ = getMessages(code()).available();
197 bool Language::readLayoutTranslations(Lexer & lex)
199 layoutTranslations_.clear();
201 if (lex.checkFor("End"))
205 string const key = lex.getString();
208 docstring const val = lex.getDocString();
209 layoutTranslations_[key] = val;
215 void Language::readLayoutTranslations(Language const & lang)
217 layoutTranslations_ = lang.layoutTranslations_;
221 void Languages::read(FileName const & filename)
224 lex.setFile(filename);
225 lex.setContext("Languages::read");
229 case Lexer::LEX_FEOF:
235 if (lex.getString() != "Language") {
236 lex.printError("Unknown Language tag `$$Token'");
243 if (l.lang() == "latex")
245 else if (l.lang() == "ignore")
248 languagelist[l.lang()] = l;
251 default_language = getLanguage(lyxrc.default_language);
252 if (!default_language) {
253 LYXERR0("Default language \"" << lyxrc.default_language
255 default_language = getLanguage("english");
256 if (!default_language)
257 default_language = &(*languagelist.begin()).second;
258 LYXERR0("Using \"" << default_language->lang() << "\" instead!");
261 // Read layout translations
262 FileName const path = libFileSearch(string(), "layouttranslations");
263 readLayoutTranslations(path);
267 void Languages::readLayoutTranslations(support::FileName const & filename)
270 lex.setFile(filename);
271 lex.setContext("Languages::read");
273 if (!lex.checkFor("Translation")) {
275 lex.printError("Unknown layout translation tag `$$Token'");
280 string const code = lex.getString();
281 // we need to mimic gettext: code can be a two-letter code,
282 // which should match all variants, e.g. "de" should match
283 // "de_DE", "de_AT" etc.
284 Language * firstlang = 0;
285 LanguageList::iterator const end = languagelist.end();
286 for (LanguageList::iterator it = languagelist.begin(); it != end; ++it) {
287 // special case for chinese:
288 // simplified => code == "zh_CN", langcode == "zh_CN"
289 // traditional => code == "zh_TW", langcode == "zh_CN"
290 string const langcode = it->second.code();
291 string const name = it->second.lang();
292 if ((code == langcode && name != "chinese-traditional") ||
293 (code == "zh_TW" && name == "chinese-traditional") ||
294 (code.size() == 2 && langcode.size() > 2 &&
295 code + '_' == langcode.substr(0, 3))) {
297 it->second.readLayoutTranslations(*firstlang);
299 if (!it->second.readLayoutTranslations(lex)) {
300 lex.printError("Could not read "
301 "layout translations "
306 firstlang = &(it->second);
311 lex.printError("Unknown language `" + code + "'");
318 Language const * Languages::getLanguage(string const & language) const
320 if (language == "reset")
321 return reset_language;
322 if (language == "ignore")
323 return ignore_language;
324 const_iterator it = languagelist.find(language);
325 return it == languagelist.end() ? reset_language : &it->second;