/*******************************************************************************
 * Copyright (c) 2000, 2006 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.make.internal.core.makefile.gnu;

import java.io.IOException;

import org.eclipse.cdt.make.core.makefile.IDirective;
import org.eclipse.cdt.make.core.makefile.gnu.IInclude;
import org.eclipse.cdt.make.internal.core.makefile.Directive;
import org.eclipse.cdt.make.internal.core.makefile.Parent;
import org.eclipse.core.runtime.Path;

public class Include extends Parent implements IInclude {

	String[] filenames;
	String[] dirs;

	public Include(Directive parent, String[] files, String[] directories) {
		super(parent);
		filenames = files;
		dirs = directories;
	}

	public String toString() {
		StringBuffer sb = new StringBuffer(GNUMakefileConstants.DIRECTIVE_INCLUDE);
		for (int i = 0; i < filenames.length; i++) {
			sb.append(' ').append(filenames[i]);
		}
		return sb.toString();
	}

	public String[] getFilenames() {
		return filenames;
	}

	public IDirective[] getDirectives() {
		clearDirectives();
		for (int i = 0; i < filenames.length; i++) {
			// Try the current directory.
			GNUMakefile gnu = new GNUMakefile();
			try {
				gnu.parse(filenames[i]);
				addDirective(gnu);
				continue;
			} catch (IOException e) {
			}
			if (filenames[i].startsWith(GNUMakefile.FILE_SEPARATOR)) {
				// Try to set the device to that of the parent makefile.
				String filename = getFileName();
				if (filename != null) {
					String device = new Path(filename).getDevice();
					if (device != null) {
						try {
							gnu.parse(new Path(filenames[i]).setDevice(device).toOSString());
							addDirective(gnu);
							continue;
						} catch (IOException e) {
						}
					}
				}
			} else if (dirs != null) {
				for (int j = 0; j < dirs.length; j++) {
					try {
						String filename =  dirs[j] + GNUMakefile.FILE_SEPARATOR + filenames[i];
						gnu = new GNUMakefile();
						gnu.parse(filename);
						addDirective(gnu);
						break;
					} catch (IOException e) {
					}
				}
			}
		}
		return super.getDirectives();
	}
}
