tikhomirov@61: /*
tikhomirov@410:  * Copyright (c) 2011-2012 TMate Software Ltd
tikhomirov@66:  *  
tikhomirov@66:  * This program is free software; you can redistribute it and/or modify
tikhomirov@66:  * it under the terms of the GNU General Public License as published by
tikhomirov@66:  * the Free Software Foundation; version 2 of the License.
tikhomirov@66:  *
tikhomirov@66:  * This program is distributed in the hope that it will be useful,
tikhomirov@66:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@66:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@66:  * GNU General Public License for more details.
tikhomirov@66:  *
tikhomirov@66:  * For information on how to redistribute this software under
tikhomirov@66:  * the terms of a license other than GNU General Public License
tikhomirov@102:  * contact TMate Software at support@hg4j.com
tikhomirov@61:  */
tikhomirov@66: package org.tmatesoft.hg.test;
tikhomirov@61: 
tikhomirov@475: import java.util.Iterator;
tikhomirov@475: import java.util.NoSuchElementException;
tikhomirov@475: import java.util.regex.Matcher;
tikhomirov@475: import java.util.regex.Pattern;
tikhomirov@475: 
tikhomirov@61: /**
tikhomirov@61:  *
tikhomirov@66:  * @author Artem Tikhomirov
tikhomirov@66:  * @author TMate Software Ltd.
tikhomirov@61:  */
tikhomirov@61: public interface OutputParser {
tikhomirov@61: 
tikhomirov@61: 	public void parse(CharSequence seq);
tikhomirov@202: 
tikhomirov@202: 	public class Stub implements OutputParser {
tikhomirov@203: 		private boolean shallDump;
tikhomirov@410: 		private CharSequence result;
tikhomirov@410: 
tikhomirov@203: 		public Stub() {
tikhomirov@203: 			this(false);
tikhomirov@203: 		}
tikhomirov@203: 		public Stub(boolean dump) {
tikhomirov@203: 			shallDump = dump;
tikhomirov@203: 		}
tikhomirov@202: 		public void parse(CharSequence seq) {
tikhomirov@410: 			result = seq;
tikhomirov@203: 			if (shallDump) {
tikhomirov@203: 				System.out.println(seq);
tikhomirov@203: 			} 
tikhomirov@203: 			// else no-op
tikhomirov@202: 		}
tikhomirov@410: 		public CharSequence result() {
tikhomirov@410: 			return result;
tikhomirov@410: 		}
tikhomirov@475: 
tikhomirov@475: 		public Iterable<String> lines() {
tikhomirov@475: 			return lines("(.+)$");
tikhomirov@475: 		}
tikhomirov@475: 		public Iterable<String> lines(String pattern) {
tikhomirov@475: 			final Matcher m = Pattern.compile(pattern, Pattern.MULTILINE).matcher(result);
tikhomirov@475: 			class S implements Iterable<String>, Iterator<String> {
tikhomirov@475: 				public Iterator<String> iterator() {
tikhomirov@475: 					return this;
tikhomirov@475: 				}
tikhomirov@475: 				private boolean next;
tikhomirov@475: 				{
tikhomirov@475: 					next = m.find();
tikhomirov@475: 				}
tikhomirov@475: 
tikhomirov@475: 				public boolean hasNext() {
tikhomirov@475: 					return next;
tikhomirov@475: 				}
tikhomirov@475: 
tikhomirov@475: 				public String next() {
tikhomirov@475: 					if (next) {
tikhomirov@478: 						String rv = m.group(1);
tikhomirov@475: 						next = m.find();
tikhomirov@475: 						return rv;
tikhomirov@475: 					}
tikhomirov@475: 					throw new NoSuchElementException();
tikhomirov@475: 				}
tikhomirov@475: 
tikhomirov@475: 				public void remove() {
tikhomirov@475: 					throw new UnsupportedOperationException();
tikhomirov@475: 				}
tikhomirov@475: 			};
tikhomirov@475: 			return new S();
tikhomirov@475: 		}
tikhomirov@202: 	}
tikhomirov@61: }