/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.carbide.cdt.internal.builder.error.parsers;

import java.util.HashSet;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import org.eclipse.cdt.core.ErrorParserManager;

import org.eclipse.cdt.core.IMarkerGenerator;

import org.eclipse.core.runtime.Path;

public class RCOMPErrorParser extends CarbideBaseErrorParser {

	public boolean processLine(String line, ErrorParserManager errorParserManager) {

		// Known patterns.

		// (a)

		// filename(lineno) : iDescription

		//

		// (b)

		// filename(lineno) : Warning: (WarningNumber) iDescription

		//

		// (c)

		// filename(lineno) : Error: (ErrorNumber) iDescription

		//

		// (d)

		// cannot open %s for writing (where %s is the absolute path to the .rsc

		// file)

		//

		// (e)

		// Failed to write UIDs to %s (where %s is the absolute path to the .rsc

		// file)

		//

		// (f)

		// * RCOMP failed - deleting output files

		//

		// (g)

		// ERROR: %s (where %s could be anything really)

		//

		// (h) C Pre-Processor failing

		// * cpp failed

		//

		// (i)

		// Failed to open %s

		//

		// (j)

		// RCOMP failed with code %d

		//

		// Warning pattern

		// (a)

		// atof may have failed for %s

		initialise();

		// some error

		HashSet<String> linePrefixes = new HashSet<String>();

		linePrefixes.add("cannot open "); //$NON-NLS-1$

		linePrefixes.add("Failed to write UIDs to "); //$NON-NLS-1$

		linePrefixes.add("* RCOMP failed -"); //$NON-NLS-1$

		linePrefixes.add("ERROR: "); //$NON-NLS-1$

		linePrefixes.add("* cpp failed"); //$NON-NLS-1$

		linePrefixes.add("Failed to open "); //$NON-NLS-1$

		linePrefixes.add("RCOMP failed with code "); //$NON-NLS-1$

		if (checkForLineBeginnings(line, linePrefixes.toArray(new String[linePrefixes.size()]))) {

			errorParserManager.generateMarker(null, -1, line, msgSeverity, null);

			return true;

		}

		// some warning

		HashSet<String> warningLinePrefixes = new HashSet<String>();

		warningLinePrefixes.add("atof may have failed for "); //$NON-NLS-1$

		if (checkForLineBeginnings(line, warningLinePrefixes.toArray(new String[warningLinePrefixes.size()]))) {

			errorParserManager.generateMarker(null, -1, line, IMarkerGenerator.SEVERITY_WARNING, null);

			return true;

		}

		// check for MBM build failure.  This string is part of the help text spewed out

		// for an invalid command line.  Same in Symbian 7.0s and 9.2, so assumed static.

		if (line.indexOf("epocmbm [-h headerfile]") >= 0) { //$NON-NLS-1$

			errorParserManager.generateMarker(null, -1,

					"epocmbm build failed (perhaps due to an empty image list or invalid color format specification): please check the Console", //$NON-NLS-1$

					IMarkerGenerator.SEVERITY_ERROR_BUILD, null);

			return true;

		}

		if (!setFirstColon(line)) {

			return false;

		}

		setDescription(line);

		if (!setFileNameAndLineNumber(line) && !setDetailsFromCppOutput(line)) {

			return false;	

		}

		String[] extensionsToExclude = {".pkg", ".def", ".defi", ".asm", ".c" ,".c++", ".cc", ".cia", ".cpp", ".cxx", "h", ".hh", ".hpp", ".hxx", ".s"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ //$NON-NLS-9$ //$NON-NLS-10$ //$NON-NLS-11$ //$NON-NLS-12$ //$NON-NLS-13$ //$NON-NLS-14$ //$NON-NLS-15$ 

		if (hasExcludedExtension(extensionsToExclude)) {

			return false;

		}

		if (msgDescription.toLowerCase().contains("warning: ")){

			msgSeverity = IMarkerGenerator.SEVERITY_WARNING;

		}

		setFile(errorParserManager);

		if (msgDescription.toLowerCase().contains("warning:")){

			msgSeverity = IMarkerGenerator.SEVERITY_WARNING;

		}

		errorParserManager.generateExternalMarker(msgIFile, msgLineNumber, msgDescription, msgSeverity, null, externalFilePath);

		return true;

	}

	/**

	 * Rcomp calls the C PreProcessor so it is possible that cpp will fail. This

	 * method attempts to get the line number, file name and description

	 * 

	 * @param line

	 *            a String containing console output

	 * @return true if this was a cpp error, false otherwise

	 */

	private boolean setDetailsFromCppOutput(String line) {

		Pattern lPln = Pattern.compile("^([^:]+):(\\d+): (.*)$"); //$NON-NLS-1$ 

		Matcher lMatch = lPln.matcher(line);

		if (lMatch.matches() && lMatch.groupCount() == 3) {

			msgFileName = lMatch.group(1);

			if (!Path.EMPTY.isValidPath(msgFileName)) {

				return false;

			}

			try {

				msgLineNumber = Integer.parseInt(lMatch.group(2));

			} catch (NumberFormatException e) {

				return false;

			}

			msgDescription = lMatch.group(3);

		} else {

			return false;

		}

		return true;

	}

	public void setDescription(String line) {

		// Get the iDescription

		msgDescription = line.substring(msgFirstColon + 1).trim();

		if (msgDescription.matches("(?i)warning.*")) { //$NON-NLS-1$ 

			// Remove the warning.

			msgDescription = msgDescription.substring("warning".length()).trim(); //$NON-NLS-1$

			msgSeverity = IMarkerGenerator.SEVERITY_WARNING;

		} else if (msgDescription.matches("(?i)error.*")) { //$NON-NLS-1$

			// Remove the error.

			msgDescription = msgDescription.substring("error".length()).trim(); //$NON-NLS-1$

		}

		if (msgDescription.startsWith(":")) { //$NON-NLS-1$

			msgDescription = msgDescription.substring(1).trim();

		}

	}

}