/**
 *   Copyright (c) Rich Hickey. All rights reserved.
 *   The use and distribution terms for this software are covered by the
 *   Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
 *   which can be found in the file CPL.TXT at the root of this distribution.
 *   By using this software in any fashion, you are agreeing to be bound by
 * 	 the terms of this license.
 *   You must not remove this notice, or any other, from this software.
 **/

using System;

namespace org.clojure.runtime
{
public class Accessor :Indexer
    {
    public  String name;
    public Namespace ns;

internal Accessor(String name, Namespace ns)
	{
	this.ns = ns;
	this.name = name;
	}

public String toString()
	{
	if(ns == null)
		return "#:." + name;
	return ns.name + ":." + name;
	}

/**
 *  Indexer implements IFn for attr access
 *  This single arg version is the getter
 * @param tld
 * @param obj - must be AMap
 * @return the value of the attr or nil if not found
 * @throws Exception
 */
override public Object invoke(ThreadLocalData tld, Object obj) //throws Exception
	{
	if(obj is AMap)
		return ((AMap)obj).get(this);
	return Reflector.invokeInstanceMember(name,obj);
	}

/**
 *  Indexer implements IFn for attr access
 *  This two arg version is the setter
 * @param tld
 * @param obj - must be AMap
 * @param val
 * @return val
 * @throws Exception
 */
override public Object invoke(ThreadLocalData tld, Object obj, Object val) //throws Exception
	{
	if(obj is AMap)
		return ((AMap)obj).put(this,val);
	return Reflector.invokeInstanceMember(name,obj,val);
	}

override public Object invoke(ThreadLocalData tld, Object arg1, Object arg2, Object arg3) //throws Exception
	{
	return Reflector.invokeInstanceMember(name,arg1,arg2,arg3);
	}

override public Object invoke(ThreadLocalData tld, Object arg1, Object arg2, Object arg3, Object arg4) //throws Exception
	{
	return Reflector.invokeInstanceMember(name,arg1,arg2,arg3,arg4);
	}

override public Object invoke(ThreadLocalData tld, Object arg1, Object arg2, Object arg3, Object arg4, Object arg5)
		//throws Exception
	{
	return Reflector.invokeInstanceMember(name,arg1,arg2,arg3,arg4,arg5);
	}

override public Object invoke(ThreadLocalData tld, Object arg1, Object arg2, Object arg3, Object arg4, Object arg5, Cons args)
		//throws Exception
	{
	return Reflector.invokeInstanceMember(name,arg1,arg2,arg3,arg4,arg5,args);
	}
    }
}