+static map<docstring, FileName> bibfileCache;
+
+FileName Buffer::getBibfilePath(docstring const & bibid) const
+{
+ map<docstring, FileName>::const_iterator it =
+ bibfileCache.find(bibid);
+ if (it != bibfileCache.end()) {
+ // i.e., bibfileCache[bibid]
+ return it->second;
+ }
+
+ LYXERR(Debug::FILES, "Reading file location for " << bibid);
+ string texfile = changeExtension(to_utf8(bibid), "bib");
+ // note that, if the filename can be found directly from the path,
+ // findtexfile will just return a FileName object for that path.
+ FileName file(findtexfile(texfile, "bib"));
+ if (file.empty())
+ file = FileName(makeAbsPath(texfile, filePath()));
+ LYXERR(Debug::FILES, "Found at: " << file);
+
+ bibfileCache[bibid] = file;
+ return bibfileCache[bibid];
+}
+
+