+ const std::string & GetStrError() const;
+ static void Start(void * data, const char * el, const char ** attr);
+ static void End(void * data, const char * el);
+
+ template <class P, typename C>
+ int Exec(const std::string & request, C callback, void * data)
+ {
+ P cp(callback, data);
+ return ExecImpl(request, cp);
+ }
+
+ template <class P, typename C>
+ int Exec(const std::string & tag, const std::string & request, C callback, void * data)
+ {
+ P cp(tag, callback, data);
+ return ExecImpl(request, cp);
+ }