compilationunitrootdirective.java

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/**
 * Copyright (c) 2003-2005 Craig Setera
 * All Rights Reserved.
 * Licensed under the Eclipse Public License - v 1.0
 * For more information see http://www.eclipse.org/legal/epl-v10.html
 */
package eclipseme.core.internal.preprocessor.directive;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.dom.Comment;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.Region;

import eclipseme.core.internal.preprocessor.Directive;
import eclipseme.core.internal.preprocessor.ProcessingState;
import eclipseme.core.model.SymbolDefinitionSet;

/**
 * A dummy directive that acts as a container for the
 * entire class file content.  This directive is always
 * enabled and can act as a container for the rest of the
 * directives.
 * <p />
 * Copyright (c) 2003-2005 Craig Setera<br>
 * All Rights Reserved.<br>
 * Licensed under the Eclipse Public License - v 1.0<p/>
 * <br>
 * $Revision: 1.2 $
 * <br>
 * $Date: 2006/11/12 01:11:01 $
 * <br>
 * @author Craig Setera
 */
public class CompilationUnitRootDirective extends AbstractStartDirective {
	/**
	 * Construct a new instance.
	 * 
	 * @param compilationUnit
	 * @param comment
	 * @param commentText
	 */
	public CompilationUnitRootDirective(
		IResource resource,
		Comment comment, 
		String commentText) 
	{
		super(resource, comment, commentText);
	}

	/**
	 * @see eclipseme.core.internal.preprocessor.Directive#execute(ProcessingState, org.eclipse.core.runtime.IProgressMonitor)
	 */
	public void execute(ProcessingState processingState, IProgressMonitor monitor) 
		throws CoreException 
	{
		Directive[] children = getChildren();
		for (int i = 0; i < children.length; i++) {
			children[i].execute(processingState, monitor);
		}
	}

	/**
	 * @see eclipseme.core.internal.preprocessor.Directive#getRegion()
	 */
	public IRegion getRegion() 
		throws CoreException 
	{
		// Cheating here because it should never be used.
		return new Region(0, 0);
	}

	/**
	 * @see eclipseme.core.internal.preprocessor.Directive#getType()
	 */
	public int getType() {
		// A dummy type value
		return -1;
	}

	/**
	 * @see eclipseme.core.internal.preprocessor.Directive#isEnabled(eclipseme.core.model.SymbolDefinitionSet, org.eclipse.core.runtime.IProgressMonitor)
	 */
	public boolean isEnabled(SymbolDefinitionSet identifiers, IProgressMonitor monitor) {
		// The root is always enabled
		return true;
	}
}