LocalVariableLocator.java

package org.rubypeople.rdt.internal.core.search.matching;

import org.eclipse.core.runtime.CoreException;
import org.rubypeople.rdt.core.IField;
import org.rubypeople.rdt.core.IMember;
import org.rubypeople.rdt.core.IParent;
import org.rubypeople.rdt.core.IRubyElement;
import org.rubypeople.rdt.core.ISourceRange;
import org.rubypeople.rdt.core.RubyCore;
import org.rubypeople.rdt.core.RubyModelException;
import org.rubypeople.rdt.internal.core.RubyScript;

public class LocalVariableLocator extends VariableLocator {
	
	public LocalVariableLocator(LocalVariablePattern pattern) {
		super(pattern);
	}
	
	@Override
	public void reportMatches(RubyScript script, MatchLocator locator) {
		reportMatches((IParent) script, locator);
	}

	private void reportMatches(IParent parent, MatchLocator locator) {
		try {
			IRubyElement[] children = parent.getChildren();
			for (int i = 0; i < children.length; i++) {
				IRubyElement child = children[i];
				if (child.isType(IRubyElement.LOCAL_VARIABLE)) {
					int accuracy = getAccuracy((IField) child);
					if (accuracy != IMPOSSIBLE_MATCH) {
						IMember member = (IMember) child;
						ISourceRange range = member.getSourceRange();
						try {
							locator.report(locator.newDeclarationMatch(child, accuracy, range.getOffset(), range.getLength()));
						} catch (CoreException e) {
							RubyCore.log(e);
						}
					}
				}
				if (child instanceof IParent) {
					IParent parentTwo = (IParent) child;
					reportMatches(parentTwo, locator);
				}
			}
		} catch (RubyModelException e) {
			RubyCore.log(e);
		}
	}


}