UnPackerDefineMacroHandler.java

/**
* <p>Copyright: Copyright (c) 2013</p>
* <p>Company: �������ӹɷ����޹�˾</p>
*/
package com.hundsun.ares.studio.atom.compiler.macro.handlers;

import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

import com.hundsun.ares.studio.atom.compiler.constant.IAtomEngineContextConstant;
import com.hundsun.ares.studio.atom.compiler.macro.MacroConstant;
import com.hundsun.ares.studio.engin.constant.IEngineContextConstant;
import com.hundsun.ares.studio.engin.macrohandler.IMacroTokenHandler;
import com.hundsun.ares.studio.engin.skeleton.ISkeletonAttributeHelper;
import com.hundsun.ares.studio.engin.token.ICodeToken;
import com.hundsun.ares.studio.engin.token.macro.IMacroToken;

/**
 * @author liaogc
 * ���������
 */
public class UnPackerDefineMacroHandler implements  IMacroTokenHandler{

	/* (non-Javadoc)
	 * @see com.hundsun.ares.studio.engin.macrohandler.IMacroTokenHandler#getKey()
	 */
	@Override
	public String getKey() {
		return MacroConstant.UNPACKER_DEFINE_MACRONAME;
	}

	/* (non-Javadoc)
	 * @see com.hundsun.ares.studio.engin.macrohandler.IMacroTokenHandler#handle(com.hundsun.ares.studio.engin.token.macro.IMacroToken, java.util.Map)
	 */
	@Override
	public Iterator<ICodeToken> handle(IMacroToken token,
			Map<Object, Object> context) throws Exception {
		ISkeletonAttributeHelper helper = (ISkeletonAttributeHelper)context.get(IAtomEngineContextConstant.SKELETON_ATTRIBUTE_HELPER);
		String unPackerName = token.getParameters()[0].trim();
		helper.addAttribute(IAtomEngineContextConstant.ATTR_IN_OBJECT_NOINIT_VARIABLE_LIST, unPackerName);
		List<String> popVarList = (List<String>)context.get(IEngineContextConstant.PSEUDO_CODE_PARA_LIST);
		List<String> popObjectVarList = (List<String>)context.get(IEngineContextConstant.PSEUDO_CODE_OBJECT_PARA_LIST);
		popVarList.remove(StringUtils.trim(unPackerName));
		popObjectVarList.add(StringUtils.trim(unPackerName));
		return Collections.EMPTY_LIST.iterator();
	}

}