/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jetbrains.teamcity.core.test;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import jetbrains.teamcity.core.Debug;

class CUnitParser implements ITraceElementParser {

	private static final Pattern C_TRACE_ELEMENT_PATTERN_0 = Pattern.compile(".*failed at (.*\\..*):\\d*\\((.*\\..*):(\\d*)\\).*");
	private static final Pattern C_TRACE_ELEMENT_PATTERN_1 = Pattern.compile(".*: (.*::.*) *line: *(\\d*) (.*\\..*).*");
	private static final Pattern C_TRACE_ELEMENT_PATTERN_2 = Pattern.compile("(.*\\..*)\\((\\d*)\\).*");

	public IStackTraceElement parse(final String line){
		try{
			Matcher matcher = C_TRACE_ELEMENT_PATTERN_0.matcher(line);
			if(matcher.matches()){
				return new StackTraceElement(IStackTraceElement.Type.CUNIT, line, null, normilizePath(matcher.group(2)), new Integer(matcher.group(3)));
			}
			matcher = C_TRACE_ELEMENT_PATTERN_1.matcher(line);
			if(matcher.matches()){
				return new StackTraceElement(IStackTraceElement.Type.CUNIT, line, null, normilizePath(matcher.group(3)), new Integer(matcher.group(2)));
			}
			matcher = C_TRACE_ELEMENT_PATTERN_2.matcher(line);
			if(matcher.matches()){
				return new StackTraceElement(IStackTraceElement.Type.CUNIT, line, null, normilizePath(matcher.group(1)), new Integer(matcher.group(2)));
			}
		} catch (Throwable e){
			Debug.getInstance().log(Debug.DEBUG_PARSER, e);
		}
		return null;
	}

	private String normilizePath(final String path) {
		//process the case: 
		//test: S1CUTest::test1 (F) line: 21 /[..]/cppunit/s1_CUtest.cpp
		return path.replace("[..]", "..");
	}

	public static void main(String[] args){
		final CUnitParser unitParser = new CUnitParser();
		unitParser.parse("Assertion '0==1' failed at ../../folder/Dir/fileName.c:17(../../folder/Dir/fileName.c:17)");
		unitParser.parse("test: OsTimerTest::testOneShotAt (F) line: 269 os/OsTimerTest.cpp");
		unitParser.parse("c:\\novounittest\\triangledemo\\testtriangle\\testtriangle.cpp(30):Assertion");
	}


}