| using Lucene.Net.Search.Spans; |
| using System.Collections.Generic; |
| using System.Globalization; |
| using System.Xml; |
| |
| namespace Lucene.Net.QueryParsers.Xml.Builders |
| { |
| /* |
| * 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> |
| /// Builder for <see cref="SpanNearQuery"/> |
| /// </summary> |
| public class SpanNearBuilder : SpanBuilderBase |
| { |
| private readonly ISpanQueryBuilder factory; |
| |
| public SpanNearBuilder(ISpanQueryBuilder factory) |
| { |
| this.factory = factory; |
| } |
| |
| public override SpanQuery GetSpanQuery(XmlElement e) |
| { |
| string slopString = DOMUtils.GetAttributeOrFail(e, "slop"); |
| int slop = int.Parse(slopString, CultureInfo.InvariantCulture); |
| bool inOrder = DOMUtils.GetAttribute(e, "inOrder", false); |
| List<SpanQuery> spans = new List<SpanQuery>(); |
| for (XmlNode kid = e.FirstChild; kid != null; kid = kid.NextSibling) |
| { |
| if (kid.NodeType == XmlNodeType.Element) |
| { |
| spans.Add(factory.GetSpanQuery((XmlElement)kid)); |
| } |
| } |
| SpanQuery[] spanQueries = spans.ToArray(/*new SpanQuery[spans.size()]*/); |
| return new SpanNearQuery(spanQueries, slop, inOrder); |
| } |
| } |
| } |