100 lines
3.0 KiB
C#
100 lines
3.0 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="StringUtil.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Configuration {
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using System.Collections;
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using System.Collections.Specialized;
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using System.Configuration;
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using System.Globalization;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Security.Permissions;
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using System.Security;
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using System.Text;
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using System.Xml;
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using Microsoft.Win32;
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static internal class StringUtil {
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#if UNUSED_CODE
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/*
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* Determines if two strings are equal.
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*/
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internal static bool Equals(string s1, string s2) {
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return String.Equals(s1, s2, StringComparison.Ordinal);
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}
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#endif
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/*
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* Determines if two strings are equal. Treats null and String.Empty as equivalent.
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*/
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internal static bool EqualsNE(string s1, string s2) {
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if (s1 == null) {
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s1 = String.Empty;
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}
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if (s2 == null) {
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s2 = String.Empty;
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}
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return String.Equals(s1, s2, StringComparison.Ordinal);
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}
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/*
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* Determines if two strings are equal, ignoring case.
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*/
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internal static bool EqualsIgnoreCase(string s1, string s2) {
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return String.Equals(s1, s2, StringComparison.OrdinalIgnoreCase);
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}
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#if UNUSED_CODE
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/*
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* Determines if two strings are equal, ignoring case. Treats null and String.Empty as equivalent.
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*/
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internal static bool EqualsIgnoreCaseNE(string s1, string s2) {
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if (s1 == null) {
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s1 = String.Empty;
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}
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if (s2 == null) {
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s2 = String.Empty;
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}
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return String.Equals(s1, s2, StringComparison.OrdinalIgnoreCase);
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}
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#endif
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/*
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* Determines if the first string starts with the second string, ignoring case.
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*/
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internal static bool StartsWith(string s1, string s2) {
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if (s2 == null) {
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return false;
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}
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return 0 == String.Compare(s1, 0, s2, 0, s2.Length, StringComparison.Ordinal);
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}
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/*
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* Determines if the first string starts with the second string, ignoring case.
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*/
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internal static bool StartsWithIgnoreCase(string s1, string s2) {
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if (s2 == null) {
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return false;
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}
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return 0 == String.Compare(s1, 0, s2, 0, s2.Length, StringComparison.OrdinalIgnoreCase);
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}
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internal static string[] ObjectArrayToStringArray(object[] objectArray) {
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String[] stringKeys = new String[objectArray.Length];
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objectArray.CopyTo(stringKeys, 0);
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return stringKeys;
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}
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}
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}
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