csharp-sdk-upm/Libs/Newtonsoft.Json.AOT/Utilities/MiscellaneousUtils.cs

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2021-03-31 11:22:02 +08:00
#region License
// Copyright (c) 2007 James Newton-King
//
// 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.
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
using System.Text;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
namespace LC.Newtonsoft.Json.Utilities
{
internal delegate T Creator<T>();
internal static class MiscellaneousUtils
{
[Conditional("DEBUG")]
public static void Assert([DoesNotReturnIf(false)] bool condition, string? message = null)
{
Debug.Assert(condition, message);
}
public static bool ValueEquals(object? objA, object? objB)
{
if (objA == objB)
{
return true;
}
if (objA == null || objB == null)
{
return false;
}
// comparing an Int32 and Int64 both of the same value returns false
// make types the same then compare
if (objA.GetType() != objB.GetType())
{
if (ConvertUtils.IsInteger(objA) && ConvertUtils.IsInteger(objB))
{
return Convert.ToDecimal(objA, CultureInfo.CurrentCulture).Equals(Convert.ToDecimal(objB, CultureInfo.CurrentCulture));
}
else if ((objA is double || objA is float || objA is decimal) && (objB is double || objB is float || objB is decimal))
{
return MathUtils.ApproxEquals(Convert.ToDouble(objA, CultureInfo.CurrentCulture), Convert.ToDouble(objB, CultureInfo.CurrentCulture));
}
else
{
return false;
}
}
return objA.Equals(objB);
}
public static ArgumentOutOfRangeException CreateArgumentOutOfRangeException(string paramName, object actualValue, string message)
{
string newMessage = message + Environment.NewLine + @"Actual value was {0}.".FormatWith(CultureInfo.InvariantCulture, actualValue);
return new ArgumentOutOfRangeException(paramName, newMessage);
}
public static string ToString(object? value)
{
if (value == null)
{
return "{null}";
}
return (value is string s) ? @"""" + s + @"""" : value!.ToString();
}
public static int ByteArrayCompare(byte[] a1, byte[] a2)
{
int lengthCompare = a1.Length.CompareTo(a2.Length);
if (lengthCompare != 0)
{
return lengthCompare;
}
for (int i = 0; i < a1.Length; i++)
{
int valueCompare = a1[i].CompareTo(a2[i]);
if (valueCompare != 0)
{
return valueCompare;
}
}
return 0;
}
public static string? GetPrefix(string qualifiedName)
{
GetQualifiedNameParts(qualifiedName, out string? prefix, out _);
return prefix;
}
public static string GetLocalName(string qualifiedName)
{
GetQualifiedNameParts(qualifiedName, out _, out string localName);
return localName;
}
public static void GetQualifiedNameParts(string qualifiedName, out string? prefix, out string localName)
{
int colonPosition = qualifiedName.IndexOf(':');
if ((colonPosition == -1 || colonPosition == 0) || (qualifiedName.Length - 1) == colonPosition)
{
prefix = null;
localName = qualifiedName;
}
else
{
prefix = qualifiedName.Substring(0, colonPosition);
localName = qualifiedName.Substring(colonPosition + 1);
}
}
internal static RegexOptions GetRegexOptions(string optionsText)
{
RegexOptions options = RegexOptions.None;
for (int i = 0; i < optionsText.Length; i++)
{
switch (optionsText[i])
{
case 'i':
options |= RegexOptions.IgnoreCase;
break;
case 'm':
options |= RegexOptions.Multiline;
break;
case 's':
options |= RegexOptions.Singleline;
break;
case 'x':
options |= RegexOptions.ExplicitCapture;
break;
}
}
return options;
}
}
}