| using System; |
| |
| namespace Lucene.Net.Support |
| { |
| /* |
| * 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> |
| /// An adapter for <see cref="string"/> that implements <see cref="ICharSequence"/> |
| /// </summary> |
| public class StringCharSequenceWrapper : ICharSequence |
| { |
| public static readonly StringCharSequenceWrapper Empty = new StringCharSequenceWrapper(string.Empty); |
| |
| private readonly string value; |
| |
| public StringCharSequenceWrapper(string wrappedValue) |
| { |
| value = wrappedValue; |
| } |
| |
| public int Length |
| { |
| get { return value.Length; } |
| } |
| |
| // LUCENENET specific - removed |
| //public char CharAt(int index) |
| //{ |
| // return value[index]; |
| //} |
| |
| // LUCENENET specific - added to .NETify |
| public char this[int index] |
| { |
| get { return value[index]; } |
| } |
| |
| public ICharSequence SubSequence(int start, int end) |
| { |
| return new StringCharSequenceWrapper(value.Substring(start, end - start)); |
| } |
| |
| public override int GetHashCode() |
| { |
| return value.GetHashCode(); |
| } |
| |
| public override bool Equals(object obj) |
| { |
| if (obj == null) |
| return false; |
| if (!(obj is string)) |
| return false; |
| |
| return string.Equals(value, obj as string, StringComparison.Ordinal); |
| } |
| |
| public override string ToString() |
| { |
| return value; |
| } |
| } |
| } |