// // ArrayFu.cs // // Copyright (C) 2005 Novell, Inc. // // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE // SOFTWARE. // using System; using System.Collections; using System.Text; namespace Beagle.Util { public class ArrayFu { public static void IntersectListChanges (IList new_list, IList old_list, out IList added_list, out IList removed_list) { added_list = new ArrayList (); removed_list = new ArrayList (old_list); foreach (object obj in new_list) { if (old_list.Contains (obj)) { removed_list.Remove (obj); } else { added_list.Add (obj); } } } // This is designed to be used instead of Array.IndexOf as it reduces // boxing and is therefore more efficient. public static int IndexOfByte (byte [] array, byte target, int start) { for (int i = start; i < array.Length; ++i) if (array [i] == target) return i; return -1; } public static int IndexOfByte (byte [] array, byte target) { return IndexOfByte (array, target, 0); } public static int IndexOfString (string [] array, string target, int start) { for (int i = start; i < array.Length; ++i) if (array [i] == target) return i; return -1; } public static int IndexOfString (string [] array, string target) { return IndexOfString (array, target, 0); } } }