+ /// the thesauri
+ Thesauri thes_;
+
+ /// the location below system/user directory
+ /// there the data+idx files lookup will happen
+ const string dataDirectory(void) { return "thes"; }
+
+};
+
+
+pair<string,string> Thesaurus::Private::getThesaurus(string const & path, docstring const & lang)
+{
+ FileName base(path);
+ if (!base.isDirectory()) {
+ return make_pair(string(), string());
+ }
+ FileNameList const idx_files = base.dirList("idx");
+ FileNameList const data_files = base.dirList("dat");
+ string idx;
+ string data;
+ string basename;
+
+ LYXERR(Debug::FILES, "thesaurus path: " << path);
+ for (FileNameList::const_iterator it = idx_files.begin(); it != idx_files.end(); ++it) {
+ basename = it->onlyFileNameWithoutExt();
+ if (contains(basename, to_ascii(lang))) {
+ // do not use more specific dicts.
+ if (contains(basename, '_') && !contains(lang, '_'))
+ continue;
+ if (contains(basename, '-') && !contains(lang, '-'))
+ continue;
+ ifstream ifs(it->absFileName().c_str());
+ if (ifs) {
+ // check for appropriate version of index file
+ string encoding; // first line is encoding
+ int items = 0; // second line is no. of items
+ getline(ifs,encoding);
+ ifs >> items;
+ if (ifs.fail()) {
+ LYXERR(Debug::FILES, "ignore irregular thesaurus idx file: " << it->absFileName());
+ continue;
+ }
+ if (encoding.length() == 0 || encoding.find_first_of(',') != string::npos) {
+ LYXERR(Debug::FILES, "ignore version1 thesaurus idx file: " << it->absFileName());
+ continue;
+ }
+ }
+ idx = it->absFileName();
+ LYXERR(Debug::FILES, "selected thesaurus idx file: " << idx);
+ break;
+ }
+ }
+ if (idx.empty()) {
+ // try with a more general dictionary
+ docstring shortcode;
+ if (contains(lang, '_')) {
+ split(lang, shortcode, '_');
+ LYXERR(Debug::FILES, "Did not find thesaurus for LANG code "
+ << lang << ". Trying with " << shortcode);
+ return getThesaurus(path, shortcode);
+ }
+ else if (contains(lang, '-')) {
+ split(lang, shortcode, '-');
+ LYXERR(Debug::FILES, "Did not find thesaurus for LANG code "
+ << lang << ". Trying with " << shortcode);
+ return getThesaurus(path, shortcode);
+ }
+ return make_pair(string(), string());
+ }
+ for (support::FileNameList::const_iterator it = data_files.begin(); it != data_files.end(); ++it) {
+ if (contains(it->onlyFileName(), basename)) {
+ data = it->absFileName();
+ LYXERR(Debug::FILES, "selected thesaurus data file: " << data);
+ break;
+ }
+ }
+ return make_pair(idx, data);
+}
+
+
+pair<string,string> Thesaurus::Private::getThesaurus(docstring const & lang)
+{
+ string const thes_path = external_path(lyxrc.thesaurusdir_path);
+ pair<string,string> result ;
+
+ if (thesaurusAvailable(lang))
+ return make_pair(string(), string());
+
+ if (!thes_path.empty())
+ result = getThesaurus(thes_path, lang);
+ if (result.first.empty() || result.second.empty()) {
+ string const sys_path = external_path(addName(lyx::support::package().system_support().absFileName(),dataDirectory())) ;
+ result = getThesaurus(sys_path, lang);
+ }
+ if (result.first.empty() || result.second.empty()) {
+ string const user_path = external_path(addName(lyx::support::package().user_support().absFileName(),dataDirectory())) ;
+ result = getThesaurus(user_path, lang);
+ }
+ return result;
+}
+
+
+bool Thesaurus::Private::addThesaurus(docstring const & lang)
+{
+ if (thesaurusAvailable(lang))
+ return true;
+
+ ThesFiles files = getThesaurus(lang);
+ string const idx = files.first;
+ string const data = files.second;
+
+ if (idx.empty() || data.empty())
+ return false;
+
+ char const * af = idx.c_str();
+ char const * df = data.c_str();
+ thes_[lang] = new MyThes(af, df);
+ return true;
+}
+
+
+bool Thesaurus::thesaurusAvailable(docstring const & lang) const
+{
+ return d->thesaurusAvailable(lang);
+}
+
+
+bool Thesaurus::thesaurusInstalled(docstring const & lang) const