PrintSpecialNewline.java

/*
 *  Author:  Chris Seguin
 *
 *  This software has been developed under the copyleft
 *  rules of the GNU General Public License.  Please
 *  consult the GNU General Public License for more
 *  details about use and distribution of this software.
 */
package org.acm.seguin.pretty;

import org.acm.seguin.parser.Node;

/**
 *  Consume newline (whitespace) special tokens
 *
 *@author     Chris Seguin
 *@created    October 14, 1999
 *@date       April 10, 1999
 */
public class PrintSpecialNewline extends PrintSpecial {
	/**
	 *  Determines if this print special can handle the current object
	 *
	 *@param  spec  Description of Parameter
	 *@return       true if this one should process the input
	 */
	public boolean isAcceptable(SpecialTokenData spec) {
		int tokenType = spec.getTokenType();
		return ((tokenType >= 5) || (tokenType <= 7));
	}


	/**
	 *  Processes the special token
	 *
	 *@param  node  the type of node this special is being processed for
	 *@param  spec  the special token data
	 *@return       Description of the Returned Value
	 */
	public boolean process(Node node, SpecialTokenData spec) {
		if (spec.isAcceptingReturns()) {
			boolean result = spec.getPrintData().consumeNewline();
			spec.setReturnExpected(result);
			return true;
		}

		return false;
	}
}