/*
 * Copyright (c) 2019-2020. Developed by Hedgecode.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.hedgecode.chess.scanner.regex.type;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.hedgecode.chess.scanner.regex.AbstractRegexResult;
import org.hedgecode.chess.scanner.regex.RegexMatcher;
import org.hedgecode.chess.scanner.regex.RegexResult;

/**
 * RegexFinder
 *
 * @author Dmitry Samoshin aka gotty
 */
public class RegexFinder extends AbstractRegexResult implements RegexMatcher {

    private Pattern pattern;

    public RegexFinder(String match) {
        pattern = Pattern.compile(match);
    }

    @Override
    public void match(String input) {
        Matcher matcher = pattern.matcher(input);
        if (matcher.find()) {
            if (matcher.groupCount() > 1) {
                add(matcher.group(1), matcher.group(2));
            } else {
                add(matcher.group(1));
            }
        }
    }

    @Override
    public RegexResult result() {
        return this;
    }

}