﻿using System.Collections.Generic;
using WeightedFragInfo = Lucene.Net.Search.VectorHighlight.FieldFragList.WeightedFragInfo;

namespace Lucene.Net.Search.VectorHighlight
{
    /*
     * Licensed to the Apache Software Foundation (ASF) under one or more
     * contributor license agreements.  See the NOTICE file distributed with
     * this work for additional information regarding copyright ownership.
     * The ASF licenses this file to You 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.
     */

    /// <summary>
    /// A simple implementation of FragmentsBuilder.
    /// </summary>
    public class SimpleFragmentsBuilder : BaseFragmentsBuilder
    {
        /// <summary>
        /// a constructor.
        /// </summary>
        public SimpleFragmentsBuilder()
            : base()
        {
        }

        /// <summary>
        /// a constructor.
        /// </summary>
        /// <param name="preTags">array of pre-tags for markup terms.</param>
        /// <param name="postTags">array of post-tags for markup terms.</param>
        public SimpleFragmentsBuilder(string[] preTags, string[] postTags)
            : base(preTags, postTags)
        {
        }

        public SimpleFragmentsBuilder(IBoundaryScanner bs)
            : base(bs)
        {
        }

        public SimpleFragmentsBuilder(string[] preTags, string[] postTags, IBoundaryScanner bs)
            : base(preTags, postTags, bs)
        {
        }

        /// <summary>
        /// do nothing. return the source list.
        /// </summary>
        public override IList<WeightedFragInfo> GetWeightedFragInfoList(IList<WeightedFragInfo> src)
        {
            return src;
        }
    }
}