/* Simple argument-parsing class
 * Copyright (C) 2001 Patrick E. Pelletier <ppelleti@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/**
 * Copyright (C) 2006-2007  NTT DATA CORPORATION
 * 
 * Version: 1.0.0 2007/04/01
 *  
 */
package net.cellcomputing.himawari.argparse;

import static net.cellcomputing.himawari.argparse.ArgParseGlobal.parseFloat;
import net.cellcomputing.himawari.accessory.STLVector;
import net.cellcomputing.himawari.accessory.primitive.p_double;

/**
 * オプションの詳細パラメータ(double型・複数)の設定を行うクラス。
 * 
 * @author NTT DATA Corporation
 */
strictfp class FloatsHandler extends OptionHandler
{
	/**
	 * オプションに属する複数の詳細パラメータ
	 */
	public STLVector<Double> value = new STLVector<Double>( Double.class );

	/**
	 * コンストラクタ
	 * 
	 * @param usage_in	用法メッセージ	
	 * @param value_in	オプションの詳細パラメータ
	 * @param separator_in	オプション入力状態
	 * @param count_in	詳細パラメータの数
	 */
	public FloatsHandler(String usage_in, STLVector<Double> value_in, int separator_in, int count_in)
	{
		super(usage_in, separator_in, count_in);
		value = value_in;
	}
	
	/**
	 * オプションの有効性を判断する。<br>
	 * オプションの詳細パラメータを取り出す。<br>
	 * 与えられたオプションに対するメッセージを返す。
	 * @return ret
	 * @see net.cellcomputing.himawari.argparse.OptionHandler#handlearg(java.lang.String)
	 */
	public String handlearg(String arg)
	{
		p_double newvalue = new p_double();
	   
		String ret = parseFloat(arg, newvalue);
	    //retが空ならば有効
	    if (ret.length() == 0)
		{
	        value.add(newvalue.value);
			count -= (count == -1)? 0 : 1;
		}
	    return ret;
	}
}
