| using Lucene.Net.QueryParsers.Flexible.Core.Parser; |
| using System.Collections.Generic; |
| using System.Text; |
| |
| namespace Lucene.Net.QueryParsers.Flexible.Core.Nodes |
| { |
| /* |
| * 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 <see cref="TokenizedPhraseQueryNode"/> represents a node created by a code that |
| /// tokenizes/lemmatizes/analyzes. |
| /// </summary> |
| public class TokenizedPhraseQueryNode : QueryNode, IFieldableNode |
| { |
| public TokenizedPhraseQueryNode() |
| { |
| IsLeaf = false; |
| Allocate(); |
| } |
| |
| public override string ToString() |
| { |
| var children = GetChildren(); |
| if (children == null || children.Count == 0) |
| return "<tokenizedphrase/>"; |
| StringBuilder sb = new StringBuilder(); |
| sb.Append("<tokenizedtphrase>"); |
| foreach (IQueryNode child in children) |
| { |
| sb.Append("\n"); |
| sb.Append(child.ToString()); |
| } |
| sb.Append("\n</tokenizedphrase>"); |
| return sb.ToString(); |
| } |
| |
| // This text representation is not re-parseable |
| public override string ToQueryString(IEscapeQuerySyntax escapeSyntaxParser) |
| { |
| var children = GetChildren(); |
| if (children == null || children.Count == 0) |
| return ""; |
| |
| StringBuilder sb = new StringBuilder(); |
| string filler = ""; |
| foreach (IQueryNode child in children) |
| { |
| sb.Append(filler).Append(child.ToQueryString(escapeSyntaxParser)); |
| filler = ","; |
| } |
| |
| return "[TP[" + sb.ToString() + "]]"; |
| } |
| |
| public override IQueryNode CloneTree() |
| { |
| TokenizedPhraseQueryNode clone = (TokenizedPhraseQueryNode)base |
| .CloneTree(); |
| |
| // nothing to do |
| |
| return clone; |
| } |
| |
| public virtual string Field |
| { |
| get |
| { |
| IList<IQueryNode> children = GetChildren(); |
| |
| if (children == null || children.Count == 0) |
| { |
| return null; |
| |
| } |
| else |
| { |
| return ((IFieldableNode)children[0]).Field; |
| } |
| } |
| set |
| { |
| IList<IQueryNode> children = GetChildren(); |
| |
| if (children != null) |
| { |
| foreach (IQueryNode child in children) |
| { |
| |
| if (child is IFieldableNode fieldableNode) |
| { |
| fieldableNode.Field = value; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |