#include <iomanip>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
 
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
using namespace boost::filesystem;
 
#include <boost/regex.hpp>
 
void show_files_withR( const path & directory, bool recurse_into_subdirs = true)
{
  if( exists( directory ) )
  {
    directory_iterator end ;
    for( directory_iterator iter(directory) ; iter != end ; ++iter )
      if ( is_directory( *iter ) )
      {
		cout << "\nd: " << setw(5) << right << iter->path() ;
        if( recurse_into_subdirs ) show_files_withR(*iter) ;
      }
      else 
		cout << "\n-: " << setw(5) << right << iter->path() ;
  }
}
 
int main(int argc, char *argv[])
{
	if (argc != 4)
	{
		cout << "Usage: program.exe [switches] [path] [filespec]" << endl;
	}
	else
	{
		string s_switches(argv[1]);
		string s_path(argv[2]);
		string s_filespec(argv[3]);
 
		bool aSwitch = false;
		bool rSwitch = false;
		bool RSwitch = false;
		bool lSwitch = false;
 
		//set switches
		if (s_switches == "-a")
		{
			bool aSwitch = true;
			cout << "switch -a is: " << aSwitch << endl;
		}
		if (s_switches == "-r")
		{
			bool rSwitch = true;
			cout << "switch -r is: " << rSwitch << endl;
		}
		if (s_switches == "-R")
		{
			bool RSwitch = true;
			cout << "switch -R is: " << RSwitch << endl;
		}
		if (s_switches == "-l")
		{
			bool lSwitch = true;
			cout << "switch -l is: " << lSwitch << endl;
		}
 
		//boost::regex expr(s_filespec);
		//fs::path currentPath(s_path);
		//cout << currentPath << endl;
		//fs::basic_directory_iterator(s_path);
 
 
		//uintmax_t file_size(const path&)
 
		const path & directory = s_path;
		if( exists( directory ) )
		{
			directory_iterator end;
			for( directory_iterator iter(directory) ; iter != end ; ++iter )
				if ( is_directory( *iter ) )
				{
					cout << "\nd: " << setw(5) << right << file_size(s_path) << iter->path();
					if(RSwitch) show_files_withR(*iter);
				}
				else 
					cout << "\n-: " << setw(5) << right << iter->path();
		}
 
	}	
 
	cin.ignore();
	return 0;
}