#include "phycas/phycas.h"
#include "ncl/misc/arg_stream.hpp"
#include "ncl/misc/string_extensions.hpp"
#include <ctype.h>
using std::string;
ArgStream::VecToken ArgStream::Split(const string &s) const
	{
	VecToken retVec;
	string temp;
	if (!s.empty())
		{
		if (s[0] == '-' && s.length() > 2 && isgraph(s[1]) && !isdigit(s[1]) && s[1] != '-')
			{ 
			// 
			//	break "-nArg" into {"-n", "Arg"}
			//	Note that "-n Arg" indicates that the original arg was quoted, so we don't split
			retVec.push_back(string(s.begin(), s.begin() + 2));
			const string rest = string(s.begin() + 2, s.end());
			const VecToken tempVec = Split(rest);
			copy(tempVec.begin(), tempVec.end(), back_inserter(retVec)); 
			}
		else
			retVec = SplitString(s, ',');
		}
	return retVec;
	}
	
	
ArgStream::ArgStream(int argc, char *argv[])
	{
	tokenStream.reserve((unsigned) argc);
	for (int i = 1; i < argc; ++i)
		{
		string n = string(argv[i]);
		VecToken t = Split(n);
		copy(t.begin(), t.end(), back_inserter(tokenStream));
		}
	tokenIt = tokenStream.begin();
	}