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