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SPL(Structured Process Language) A programming language specially for structured data computing.

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package com.scudata.expression.mfn.string;

import com.scudata.common.MessageManager;
import com.scudata.common.RQException;
import com.scudata.dm.Context;
import com.scudata.dm.Sequence;
import com.scudata.expression.StringFunction;
import com.scudata.resources.EngineMessage;

/**
 * ???ַ?????ָ???ָ?????????У?û??ָ???ָ??????ɵ??ַ???ɵ?????
 * s.split(d)
 * @author RunQian
 *
 */
public class Split extends StringFunction {
	public Object calculate(Context ctx) {
		String sep = "";
		if (param != null) {
			Object obj = param.getLeafExpression().calculate(ctx);
			if (!(obj instanceof String)) {
				MessageManager mm = EngineMessage.get();
				throw new RQException("split" + mm.getMessage("function.paramTypeError"));
			}

			sep = (String)obj;
		}
		
		return Sequence.toSequence(srcStr, sep, option);
	}
}