/*******************************************************************************

 * Copyright (c) 2000, 2007 QNX Software Systems and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *

 * Contributors:

 *     QNX Software Systems - initial API and implementation

 *******************************************************************************/

package org.eclipse.cdt.internal.core.model;

import org.eclipse.cdt.core.model.IPathEntry;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.Path;

public class PathEntry implements IPathEntry {

	protected int entryKind;

	protected boolean isExported;

	protected IPath path;

	public PathEntry(int entryKind, IPath path, boolean isExported) {

		this.path = (path == null) ? Path.EMPTY : path;

		this.entryKind = entryKind;

		this.isExported = isExported;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.cdt.core.IPathEntry#getEntryKind()

	 */

	public IPath getPath() {

		return path;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.cdt.core.IPathEntry#getEntryKind()

	 */

	public int getEntryKind() {

		return entryKind;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.cdt.core.IPathEntry#isExported()

	 */

	public boolean isExported() {

		return isExported;

	}

	@Override

	public boolean equals(Object obj) {

		if (obj instanceof IPathEntry) {

			IPathEntry otherEntry = (IPathEntry)obj;

			if (!path.equals(otherEntry.getPath())) {

				return false;

			}

			if (entryKind != otherEntry.getEntryKind()) {

				return false;

			}

			if (isExported != otherEntry.isExported()) {

				return false;

			}

			return true;

		}

		return super.equals(obj);

	}

	/**

	 * Returns the kind from its <code>String</code> form.

	 */

	public static int kindFromString(String kindStr) {

		if (kindStr.equalsIgnoreCase("prj")) //$NON-NLS-1$

			return IPathEntry.CDT_PROJECT;

		//if (kindStr.equalsIgnoreCase("var")) //$NON-NLS-1$

		//	return IPathEntry.CDT_VARIABLE;

		if (kindStr.equalsIgnoreCase("src")) //$NON-NLS-1$

			return IPathEntry.CDT_SOURCE;

		if (kindStr.equalsIgnoreCase("lib")) //$NON-NLS-1$

			return IPathEntry.CDT_LIBRARY;

		if (kindStr.equalsIgnoreCase("inc")) //$NON-NLS-1$

			return IPathEntry.CDT_INCLUDE;

		if (kindStr.equalsIgnoreCase("incfile")) //$NON-NLS-1$

			return IPathEntry.CDT_INCLUDE_FILE;

		if (kindStr.equalsIgnoreCase("mac")) //$NON-NLS-1$

			return IPathEntry.CDT_MACRO;

		if (kindStr.equalsIgnoreCase("macfile")) //$NON-NLS-1$

			return IPathEntry.CDT_MACRO_FILE;

		if (kindStr.equalsIgnoreCase("con")) //$NON-NLS-1$

			return IPathEntry.CDT_CONTAINER;

		if (kindStr.equalsIgnoreCase("out")) //$NON-NLS-1$

			return IPathEntry.CDT_OUTPUT;

		return -1;

	}

	/**

	 * Returns a <code>String</code> for the kind of a path entry.

	 */

	static String kindToString(int kind) {

		switch (kind) {

			case IPathEntry.CDT_PROJECT :

				return "prj"; //$NON-NLS-1$

			case IPathEntry.CDT_SOURCE :

				return "src"; //$NON-NLS-1$

			case IPathEntry.CDT_LIBRARY :

				return "lib"; //$NON-NLS-1$

			case IPathEntry.CDT_INCLUDE :

				return "inc"; //$NON-NLS-1$

			case IPathEntry.CDT_INCLUDE_FILE:

				return "incfile"; //$NON-NLS-1$

			case IPathEntry.CDT_MACRO :

				return "mac"; //$NON-NLS-1$

			case IPathEntry.CDT_MACRO_FILE:

				return "macfile"; //$NON-NLS-1$

			case IPathEntry.CDT_CONTAINER :

				return "con"; //$NON-NLS-1$

			case IPathEntry.CDT_OUTPUT :

				return "out"; //$NON-NLS-1$

			default :

				return "unknown"; //$NON-NLS-1$

		}

	}

	/**

	 * Returns a printable representation of this classpath entry.

	 */

	@Override

	public String toString() {

		StringBuffer buffer = new StringBuffer();

		if (path != null && !path.isEmpty()) {

			buffer.append(path.toString()).append(' ');

		}

		buffer.append('[');

		buffer.append(getKindString());

		buffer.append(']');

		return buffer.toString();

	}

	String getKindString() {

		switch (getEntryKind()) {

			case IPathEntry.CDT_LIBRARY :

				return ("Library path"); //$NON-NLS-1$

			case IPathEntry.CDT_PROJECT :

				return ("Project path"); //$NON-NLS-1$

			case IPathEntry.CDT_SOURCE :

				return ("Source path"); //$NON-NLS-1$

			case IPathEntry.CDT_OUTPUT :

				return ("Output path"); //$NON-NLS-1$

			case IPathEntry.CDT_INCLUDE :

				return ("Include path"); //$NON-NLS-1$

			case IPathEntry.CDT_INCLUDE_FILE :

				return ("Include-file path"); //$NON-NLS-1$

			case IPathEntry.CDT_MACRO :

				return ("Symbol definition"); //$NON-NLS-1$

			case IPathEntry.CDT_MACRO_FILE :

				return ("Symbol-file definition"); //$NON-NLS-1$

			case IPathEntry.CDT_CONTAINER :

				return ("Contributed paths"); //$NON-NLS-1$

		}

		return ("Unknown"); //$NON-NLS-1$

	}

}