+ //If there is a colon in the path then we just return it
+ if(newuri.find(':') != wxString::npos)
+ {
+ return newuri;
+ }
+ //We have an absolute path and no query string
+ else if(newuri.substr(0, 1) == "/" && baseuri.find('?') == wxString::npos)
+ {
+ //By finding the next / after file:// we get to the end of the
+ //(optional) hostname
+ size_t pos = baseuri.find('/', 7);
+ //So we return up to the end of the hostname, plus the newuri
+ return baseuri.substr(0, pos) + newuri;
+ }
+ //We have an absolute path and a query string
+ else if(newuri.substr(0, 1) == "/" && baseuri.find('?') != wxString::npos)
+ {
+ wxString query = baseuri.substr(baseuri.find('?') + 1);
+ wxString newquery;
+ wxStringTokenizer tokenizer(query, ";");
+ while(tokenizer.HasMoreTokens())
+ {
+ wxString token = tokenizer.GetNextToken();
+ if(token.substr(0, 5) == "path=")
+ {
+ //As the path is absolue simply replace the old path with the
+ //new one
+ newquery = newquery + "path=" + newuri;
+ }
+ else
+ {
+ newquery += token;
+ }
+ //We need to add the separators back
+ if(tokenizer.HasMoreTokens())
+ newquery += ';';
+ }
+ return baseuri.substr(0, baseuri.find('?')) + "?" + newquery;
+ }
+ //We have a relative path and no query string
+ else if(baseuri.find('?') == wxString::npos)
+ {
+ //By finding the next / after file:// we get to the end of the
+ //(optional) hostname
+ size_t pos = baseuri.find('/', 7);
+ wxString path = baseuri.substr(pos);
+ //Then we remove the last filename
+ path = path.BeforeLast('/') + '/';
+ //Ensure that we have the leading / so we can normalise properly
+ if(path.substr(0, 1) != "/")
+ path = "/" + path;
+
+ //If we have a colon in the path (i.e. we are on windows) we need to
+ //handle it specially
+ if(path.find(':') != wxString::npos)
+ {
+ wxFileName fn(path.AfterFirst('/').AfterFirst('/') + newuri);
+ fn.Normalize(wxPATH_NORM_DOTS, "", wxPATH_UNIX);
+ return baseuri.substr(0, pos) + '/' +
+ path.AfterFirst('/').BeforeFirst('/') + '/' +
+ fn.GetFullPath(wxPATH_UNIX);
+ }
+ else
+ {
+ //We can now use wxFileName to perform the normalisation
+ wxFileName fn(path + newuri);
+ fn.Normalize(wxPATH_NORM_DOTS, "", wxPATH_UNIX);
+ return baseuri.substr(0, pos) + fn.GetFullPath(wxPATH_UNIX);
+ }
+ }
+ //We have a relative path and a query string
+ else
+ {
+ wxString query = baseuri.substr(baseuri.find('?') + 1);
+ wxString newquery;
+ wxStringTokenizer tokenizer(query, ";");
+ while(tokenizer.HasMoreTokens())
+ {
+ wxString token = tokenizer.GetNextToken();
+ if(token.substr(0, 5) == "path=")
+ {
+ wxString path = token.substr(6);
+ //Then we remove the last filename
+ path = path.BeforeLast('/') + '/';
+ //Ensure that we have the leading / so we can normalise properly
+ //if(path.substr(0, 1) != "/")
+ // path = "/" + path;
+
+ //We can now use wxFileName to perform the normalisation
+ wxFileName fn(path + newuri);
+ fn.Normalize(wxPATH_NORM_DOTS, "", wxPATH_UNIX);
+ newquery = newquery + "path=" + fn.GetFullPath(wxPATH_UNIX);
+ }
+ else
+ {
+ newquery += token;
+ }
+ //We need to add the separators back
+ if(tokenizer.HasMoreTokens())
+ newquery += ';';
+ }
+ return baseuri.substr(0, baseuri.find('?')) + "?" + newquery;
+ }