src/Usage.cc

#include "Usage.hh"
#include "Switch.hh"

#include <iostream>
#include <iomanip>

using namespace std;

Usage::Usage( Switch *sw ) : sw_( sw ) {
  this->fArgument( NO );
  this->remark() = "show help message";
}

Usage::~Usage(){
}

bool Usage::operator()( const std::string& option ){
  for( Switch::iterator itr = sw_->begin();
       itr != sw_->end();
       itr++ ){
    cout << setw(12) << string( "--" + itr->first ) << flush;
    if( itr->second ) {
      if( itr->second->fArgument() == NO       ) cout << " NO " << flush; 
      if( itr->second->fArgument() == REQUIRED ) cout << " RE " << flush; 
      if( itr->second->fArgument() == OPTIONAL ) cout << " OP " << flush; 
      cout << itr->second->remark() << flush;
    }
    cout << endl;
  }
  this->exist() = true;
  return false;
}