/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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 com.android.build.gradle.shrinker.parser;

import com.android.annotations.NonNull;

import java.util.ArrayList;
import java.util.List;

/**
 * Represents a ProGuard filter specification.
 */
public class FilterSpecification implements Matcher<String> {

    private static class FilterElement extends MatcherWithNegator<String> {
        @NonNull
        private final NameSpecification name;

        public FilterElement(@NonNull NameSpecification name, boolean negator) {
            this.name = name;
            setNegator(negator);
        }

        @Override
        protected boolean matchesWithoutNegator(@NonNull String t) {
            return name.matches(t);
        }
    }

    @NonNull
    private final List<FilterElement> elements = new ArrayList<>();

    public void addElement(@NonNull NameSpecification name, boolean negator) {
        elements.add(new FilterElement(name, negator));
    }

    @Override
    public boolean matches(@NonNull String t) {
        for (FilterElement element : elements) {
            if (element.matches(t)) {
                return true;
            }
        }
        return false;
    }
}
