| using System.Globalization; |
| using System.Text; |
| |
| namespace Lucene.Net.Util |
| { |
| /* |
| * 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> |
| /// Helper methods to ease implementing <see cref="object.ToString()"/>. |
| /// </summary> |
| public static class ToStringUtils // LUCENENET specific - made static |
| { |
| /// <summary> |
| /// For printing boost only if not 1.0. |
| /// </summary> |
| public static string Boost(float boost) |
| { |
| if (boost != 1.0f) |
| { |
| // .NET compatibility fix |
| return "^" + boost.ToString("0.0######", CultureInfo.InvariantCulture); |
| } |
| else |
| return ""; |
| } |
| |
| public static void ByteArray(StringBuilder buffer, byte[] bytes) |
| { |
| for (int i = 0; i < bytes.Length; i++) |
| { |
| buffer.Append("b[").Append(i).Append("]=").Append(bytes[i]); |
| if (i < bytes.Length - 1) |
| { |
| buffer.Append(','); |
| } |
| } |
| } |
| |
| private static readonly char[] HEX = "0123456789abcdef".ToCharArray(); |
| |
| /// <summary> |
| /// NOTE: This was longHex() in Lucene |
| /// </summary> |
| public static string Int64Hex(long x) |
| { |
| char[] asHex = new char[16]; |
| for (int i = 16; --i >= 0; x = (long)((ulong)x >> 4)) |
| { |
| asHex[i] = HEX[(int)x & 0x0F]; |
| } |
| return "0x" + new string(asHex); |
| } |
| } |
| } |