+ wxString out_str;
+ wxString hexa_code;
+ size_t i;
+
+ for (i = 0; i < uri.Len(); i++)
+ {
+ wxChar c = uri.GetChar(i);
+
+ if (c == wxT(' '))
+ {
+ // GRG, Apr/2000: changed to "%20" instead of '+'
+
+ out_str += wxT("%20");
+ }
+ else
+ {
+ // GRG, Apr/2000: modified according to the URI definition (RFC 2396)
+ //
+ // - Alphanumeric characters are never escaped
+ // - Unreserved marks are never escaped
+ // - Delimiters must be escaped if they appear within a component
+ // but not if they are used to separate components. Here we have
+ // no clear way to distinguish between these two cases, so they
+ // are escaped unless they are passed in the 'delims' parameter
+ // (allowed delimiters).
+
+ static const wxChar marks[] = wxT("-_.!~*()'");
+
+ if ( !wxIsalnum(c) && !wxStrchr(marks, c) && !wxStrchr(delims, c) )
+ {
+ hexa_code.Printf(wxT("%%%02X"), c);
+ out_str += hexa_code;
+ }
+ else
+ {
+ out_str += c;
+ }
+ }
+ }
+
+ return out_str;