Fix bug #12772

[lyx.git] / src / Thesaurus.cpp

diff --git a/src/Thesaurus.cpp b/src/Thesaurus.cpp
index b4655ac27f93e6290fc320ba928c37404c515a45..1c1adc03b0e22cb91154ac21e396957b05997bb3 100644 (file)
--- a/src/Thesaurus.cpp
+++ b/src/Thesaurus.cpp
@@ -21,20 +21,14 @@
 #include "support/FileNameList.h"
 #include "support/Package.h"
 #include "support/debug.h"
+#include "support/docstring.h"
 #include "support/docstring_list.h"
 #include "support/filetools.h"
-#include "support/gettext.h"
 #include "support/lstrings.h"
 #include "support/os.h"
 
-#ifdef USE_EXTERNAL_MYTHES
-#include MYTHES_H_LOCATION
-#else
 #include <cstdio>
-#include "support/mythes/mythes.hxx"
-#endif
-
-#include "frontends/alert.h"
+#include MYTHES_H_LOCATION
 
 #include <algorithm>
 #include <cstring>
@@ -50,7 +44,7 @@ namespace {
 
 typedef std::map<docstring, MyThes *> Thesauri;
 
-} // namespace anon
+} // namespace
 
 struct Thesaurus::Private
 {
@@ -107,6 +101,11 @@ pair<string,string> Thesaurus::Private::getThesaurus(string const & path, docstr
        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
@@ -128,8 +127,23 @@ pair<string,string> Thesaurus::Private::getThesaurus(string const & path, docstr
                        break;
                }
        }
-       if (idx.empty())
+       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();
@@ -200,10 +214,10 @@ bool Thesaurus::thesaurusInstalled(docstring const & lang) const
 Thesaurus::Meanings Thesaurus::lookup(WordLangTuple const & wl)
 {
        Meanings meanings;
-       MyThes * mythes = 0;
+       MyThes * mythes = nullptr;
 
        docstring const lang_code = from_ascii(wl.lang()->code());
-       docstring const t = wl.word();
+       docstring const & t = wl.word();
 
        if (!d->addThesaurus(lang_code))
                return meanings;
@@ -220,7 +234,7 @@ Thesaurus::Meanings Thesaurus::lookup(WordLangTuple const & wl)
                return meanings;
 
        string const encoding = mythes->get_th_encoding();
-       
+
        mentry * pmean;
        string const text = to_iconv_encoding(support::lowercase(t), encoding);
        int len = strlen(text.c_str());
@@ -252,6 +266,7 @@ Thesaurus::Meanings Thesaurus::lookup(WordLangTuple const & wl)
                // remove silly item
                if (support::prefixIs(meaning, '-'))
                        meaning = support::ltrim(meaning, "- ");
+               ret.reserve(pm->count);
                for (int j = 0; j < pm->count; j++) {
                        ret.push_back(from_iconv_encoding(string(pm->psyns[j]), encoding));
                }