argument.h
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argument.h
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	#ifndef _rtech1_util_argument_h
	#define _rtech1_util_argument_h

	#include <vector>
	#include <string>
	#include "pointer.h"

	namespace Argument {

	class Action{
	public:
	virtual void act() = 0;
	virtual ~Action();
	};

	typedef std::vector<Util::ReferenceCount<Action> > ActionRefs;

	class Parameter{
	public:
	/* Keywords on the command line that should invoke this argument */
	virtual std::vector<std::string> keywords() const = 0;

	/* Parse more strings from the command line. Any actions that should take place
	* after the command line has been parsed should be put into 'actions'
	*/
	virtual std::vector<std::string>::iterator parse(std::vector<std::string>::iterator current, std::vector<std::string>::iterator end, ActionRefs & actions) = 0;

	/* Description of what this argument does */
	virtual std::string description() const = 0;

	bool isArg(const std::string & what) const;

	virtual ~Parameter();
	};

	typedef std::vector<Util::ReferenceCount<Parameter> > ParameterRefs;

	class Handler{
	public:

	Handler();

	~Handler();

	void add(Util::ReferenceCount<Parameter>);

	void add(const ParameterRefs &);

	void setDefaultAction(Util::ReferenceCount<Action>);

	void runActions(int argc, char ** argv);

	private:
	ParameterRefs parameters;
	Util::ReferenceCount<Action> defaultAction;
	};

	}

	#endif