#include "hadinput.h"
#include "HCommand.h"

int HCommand::getIndex(HadInput & input) {
	HString check(input.string());
	if(check.empty()) return HFAILURE;
	char* pNext=0;
	HString what(check.token(pNext,"(["));
	if(what.empty()) return HFAILURE;
//check for end of string (no index specified)
	if(*pNext) {
//check for wildcard [*] or (*)
		if(*(++pNext)!='*') arrayIndex=int(HString(pNext));
	}
	else arrayIndex=-1;
	input.next();
	for(keyIndex=0;keyIndex<nCommand;keyIndex++) {
		if(what==key[keyIndex]) return HSUCCESS;
	}
	cerr<<"token "<<what<<" not found"<<endl;
	return HFAILURE;
}
void HCommand::cmdErr() {cerr<<"undefined keyword"<<endl;return;}

int HCommand::execute(HadInput & input) {
	HString key=input.string(1);
	if(key.empty()) return HFAILURE;
	if(key=="source") {
		input.selectSource();
		return HSUCCESS;
	}
	if(key=="mode") {
		input.selectMode();
		return HSUCCESS;
	}
 	 if(key=="set") {
		set(input);
		return HSUCCESS;
	}
	if (key=="show") {
		status(input);
		return HSUCCESS; 
	}
	input.prompt(HString("wrong command: ",key));
	return HFAILURE;
}