3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Jürgen Spitzmüller
9 * Full author contact details are available in file CREDITS.
14 #include "Thesaurus.h"
18 #include "support/FileNameList.h"
19 #include "support/debug.h"
20 #include "support/filetools.h"
21 #include "support/gettext.h"
22 #include "support/lstrings.h"
23 #include "support/os.h"
24 #include "support/unicode.h"
26 #include "support/mythes/mythes.hxx"
28 #include "frontends/alert.h"
34 using namespace lyx::support;
35 using namespace lyx::support::os;
41 string const to_iconv_encoding(docstring const & s, string const & encoding)
43 std::vector<char> const encoded =
44 ucs4_to_eightbit(s.data(), s.length(), encoding);
45 return string(encoded.begin(), encoded.end());
49 docstring const from_iconv_encoding(string const & s, string const & encoding)
51 std::vector<char_type> const ucs4 =
52 eightbit_to_ucs4(s.data(), s.length(), encoding);
53 return docstring(ucs4.begin(), ucs4.end());
56 typedef std::map<docstring, MyThes *> Thesauri;
61 struct Thesaurus::Private
65 for (Thesauri::iterator it = thes_.begin();
66 it != thes_.end(); ++it) {
71 bool thesaurusAvailable(docstring const & lang) const
73 for (Thesauri::const_iterator it = thes_.begin();
74 it != thes_.end(); ++it) {
75 if (it->first == lang)
82 /// add a thesaurus to the list
83 bool addThesaurus(docstring const & lang);
89 bool Thesaurus::Private::addThesaurus(docstring const & lang)
91 string const thes_path = external_path(lyxrc.thesaurusdir_path);
92 LYXERR(Debug::FILES, "thesaurus path: " << thes_path);
93 if (thes_path.empty())
96 if (thesaurusAvailable(lang))
99 FileNameList const idx_files = FileName(thes_path).dirList("idx");
100 FileNameList const data_files = FileName(thes_path).dirList("dat");
104 for (FileNameList::const_iterator it = idx_files.begin();
105 it != idx_files.end(); ++it) {
106 LYXERR(Debug::FILES, "found thesaurus idx file: " << it->onlyFileName());
107 if (contains(it->onlyFileName(), to_ascii(lang))) {
108 idx = it->absFilename();
109 LYXERR(Debug::FILES, "selected thesaurus idx file: " << idx);
114 for (support::FileNameList::const_iterator it = data_files.begin();
115 it != data_files.end(); ++it) {
116 LYXERR(Debug::FILES, "found thesaurus data file: " << it->onlyFileName());
117 if (contains(it->onlyFileName(), to_ascii(lang))) {
118 data = it->absFilename();
119 LYXERR(Debug::FILES, "selected thesaurus data file: " << data);
124 if (idx.empty() || data.empty())
127 char const * af = idx.c_str();
128 char const * df = data.c_str();
129 thes_[lang] = new MyThes(af, df);
134 bool Thesaurus::thesaurusAvailable(docstring const & lang) const
136 return d->thesaurusAvailable(lang);
140 Thesaurus::Meanings Thesaurus::lookup(docstring const & t, docstring const & lang)
145 if (!d->addThesaurus(lang))
148 for (Thesauri::const_iterator it = d->thes_.begin();
149 it != d->thes_.end(); ++it) {
150 if (it->first == lang) {
159 string const encoding = mythes->get_th_encoding();
162 string const text = to_iconv_encoding(support::lowercase(t), encoding);
163 int len = strlen(text.c_str());
164 int count = mythes->Lookup(text.c_str(), len, &pmean);
168 // don't change value of pmean or count
169 // they are needed for the CleanUpAfterLookup routine
173 for (int i = 0; i < count; i++) {
174 meaning = from_iconv_encoding(string(pm->defn), encoding);
176 if (support::prefixIs(meaning, '-'))
177 meaning = support::ltrim(meaning, "- ");
178 for (int j = 0; j < pm->count; j++) {
179 ret = from_iconv_encoding(string(pm->psyns[j]), encoding);
181 meanings[meaning].push_back(ret);
184 // now clean up all allocated memory
185 mythes->CleanUpAfterLookup(&pmean, count);
187 for (Meanings::iterator it = meanings.begin();
188 it != meanings.end(); ++it)
189 sort(it->second.begin(), it->second.end());
195 Thesaurus::Thesaurus() : d(new Thesaurus::Private)
200 Thesaurus::~Thesaurus()