LineParser &LineParser::parse( int argn, char *const *argv )
{
int val, arg, diff;
Mixed optional;
const option_s *begin = &(*this->lp_data.pd_options.begin());
while( (val = getopt_long(argn, argv, this->lp_data.pd_optstring.c_str(), begin, NULL)) != EOF ) {
if( val == 'h' ) {
this->lp_data.pd_progname.assign( argv[0] );
throw ShowHelp( this->lp_data );
}
else if( val == '?' ) {
this->lp_data.pd_progname.assign( argv[0] );
throw InvalidOption( this->lp_data, optopt );
}
else if( this->lp_data.pd_argmap.count(val) != 0 ) {
switch( this->lp_data.pd_argmap[val] ) {
case no_argument:
this->lp_map.insert( map<char, Mixed>::value_type((char) val, Mixed(true)) );
break;
case required_argument:
this->lp_map.insert( map<char, Mixed>::value_type((char) val, Mixed(optarg)) );
break;
case optional_argument:
default:
if( optarg == NULL ) {
if( (optind < argn) && (argv[optind][0] != '-') ) {
optional.setStringValue( argv[optind] );
optind += 1;
}
else optional.setLogicalValue( true );
}
else optional.setStringValue( optarg );
this->lp_map.insert( map<char, Mixed>::value_type((char) val, optional) );
break;
}
}
}
diff = argn - optind;
if( (((this->lp_data.pd_paramnumber == (int) ParserData::one_or_more) && (diff > 0)) ||
((this->lp_data.pd_paramnumber == (int) ParserData::zero_or_more) && (diff >= 0)) ||
((this->lp_data.pd_paramnumber >= 0) && (diff == this->lp_data.pd_paramnumber))) ) {
for( arg = optind; arg < argn; arg++ )
this->lp_arguments.push_back( argv[arg] );
}
else {
this->lp_data.pd_progname.assign( argv[0] );
throw InvalidArgNumber( this->lp_data, diff );
}
return *this;
}
