+ bool hasFocus(); /**< true if characters should be sent to the console instead of their normal target */
+ void registerCommand(std::string command, ConsoleCommandReceiver* ccr); /**< associate command with the given CCR */
+ void unregisterCommand(std::string command, ConsoleCommandReceiver* ccr); /**< dissociate command and CCR */
+ void unregisterCommands(ConsoleCommandReceiver* ccr); /**< dissociate all commands of given CCR */
+
+ template<typename T> static bool string_is(std::string s) {
+ std::istringstream iss(s);
+ T i;
+ if ((iss >> i) && iss.eof()) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ template<typename T> static T string_to(std::string s) {
+ std::istringstream iss(s);
+ T i;
+ if ((iss >> i) && iss.eof()) {
+ return i;
+ } else {
+ return T();
+ }
+ }