package the.bytecode.club.bytecodeviewer.searching;

import org.objectweb.asm.Type;
import org.objectweb.asm.tree.ClassNode;
import org.objectweb.asm.tree.MethodNode;

import javax.swing.*;
import java.awt.*;
import java.util.Iterator;

/***************************************************************************
 * Bytecode Viewer (BCV) - Java & Android Reverse Engineering Suite        *
 * Copyright (C) 2014 Kalen 'Konloch' Kinloch - http://bytecodeviewer.com  *
 *                                                                         *
 * This program is free software: you can redistribute it and/or modify    *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation, either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 ***************************************************************************/

/**
 * Regex Searching
 * 
 * @author Konloch
 * @author WaterWolf
 * 
 */

public class RegexSearch implements SearchTypeDetails {

	public static JTextField searchText = new JTextField("");
	JPanel myPanel = null;

	private static RegexInsnFinder regexFinder;

	@Override
	public JPanel getPanel() {
		if (myPanel == null) {
			myPanel = new JPanel(new GridLayout(1, 2));
			myPanel.add(new JLabel("Search Regex: "));
			myPanel.add(searchText);
		}

		return myPanel;
	}

	@Override
	public void search(final ClassNode node, final SearchResultNotifier srn,
			boolean exact) {
		final Iterator<MethodNode> methods = node.methods.iterator();
		final String srchText = searchText.getText();
		if (srchText.isEmpty())
			return;
		while (methods.hasNext()) {
			final MethodNode method = methods.next();

			if (regexFinder == null) {
				regexFinder = new RegexInsnFinder(node, method);
			} else {
				regexFinder.setMethod(node, method);
			}

			if (regexFinder.find(srchText).length > 0) {
				String desc2 = method.desc;
				try {
					desc2 = Type.getType(method.desc).toString();
					if(desc2 == null || desc2.equals("null"))
						desc2 = method.desc;
				} catch(java.lang.ArrayIndexOutOfBoundsException e) {
					
				}
				srn.notifyOfResult(node.name + "." + method.name + desc2);
			}

		}
	}
}