Method ParseCommandLine

Reference code/osImageTool/OSImageTool.cpp:79–135

#define HANDLESTROPTION(var) (arg[2] ? !(var= arg.substr(2)).empty() : i+1 != args.end() ? !(var= *(++i)).empty() : 0)

bool COSImageToolApp::ParseCommandLine(const string& cmdline)
{
	StringList args;
	if (!SplitString(cmdline, args, false))
	{
		g_err.Set("Error in commandline");
		return false;
	}

	int argsfound=0;
	for (StringList::iterator i= args.begin() ; i!=args.end() ; ++i)
	{
		string& arg= *i;
		if (arg[0]=='-') switch(arg[1])
		{
		case 'r':
			if (!HANDLESTROPTION(m_cmdsourcename))
			{
				g_err.Set("Error in commandline, '-r' needs a parameter");
				return false;
			}
			break;
		case 'w':
			if (!HANDLESTROPTION(m_cmdtargetname))
			{
				g_err.Set("Error in commandline, '-w' needs a parameter");
				return false;
			}
			break;
		case 'a':
			m_bAuto= true;
			break;
		case 'f':
			g_cfg.bCheckFilesize= false;
			break;
		case '-':
			if (arg=="--register")
				m_bDoRegisterSelf= true;
			else {
				g_err.Set(stringformat("unknown option: %s", arg.c_str()));
				return false;
			}
			break;
		default:
			g_err.Set(stringformat("unknown option: %s", arg.c_str()));
			return false;
		}
		else switch(argsfound)
		{
		case 0:
		default:
			g_err.Set(stringformat("unknown argument: %s", arg.c_str()));
			return false;
		}
	}
	return true;
}