/* * Copyright 2004 The Apache Software Foundation * * Licensed 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. */ using System; namespace Lucene.Net.Util { /// Methods for manipulating strings. /// /// $Id: StringHelper.cs,v 1.2 2005/10/06 19:29:58 dsd Exp $ /// public abstract class StringHelper { /// Compares two strings, character by character, and returns the /// first position where the two strings differ from one another. /// /// /// The first string to compare /// /// The second string to compare /// /// The first position where the two strings differ. /// public static int StringDifference(System.String s1, System.String s2) { int len1 = s1.Length; int len2 = s2.Length; int len = len1 < len2?len1:len2; for (int i = 0; i < len; i++) { if (s1[i] != s2[i]) { return i; } } return len; } private StringHelper() { } } }