r2mods/ilspy_dump/ror2_csproj/StringBuilderExtensions.cs

138 lines
4.1 KiB
C#

using System;
using System.Collections.Generic;
using System.Text;
using JetBrains.Annotations;
using UnityEngine;
public static class StringBuilderExtensions
{
private const uint maxDigitsInUint = 10u;
private const uint maxDigitsInUlong = 20u;
private static readonly char[] hexLookup = new char[16]
{
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F'
};
public static StringBuilder AppendInt(this StringBuilder stringBuilder, int value, uint minDigits = 1u, uint maxDigits = uint.MaxValue)
{
return AppendSignedInternal(stringBuilder, value, 10u, minDigits, maxDigits);
}
public static StringBuilder AppendUint(this StringBuilder stringBuilder, uint value, uint minDigits = 1u, uint maxDigits = uint.MaxValue)
{
return AppendUnsignedInternal(stringBuilder, value, 10u, minDigits, maxDigits);
}
public static StringBuilder AppendLong(this StringBuilder stringBuilder, long value, uint minDigits = 1u, uint maxDigits = uint.MaxValue)
{
return AppendSignedInternal(stringBuilder, value, 20u, minDigits, maxDigits);
}
public static StringBuilder AppendUlong(this StringBuilder stringBuilder, ulong value, uint minDigits = 1u, uint maxDigits = uint.MaxValue)
{
return AppendUnsignedInternal(stringBuilder, value, 20u, minDigits, maxDigits);
}
private static StringBuilder AppendUnsignedInternal(StringBuilder stringBuilder, ulong value, uint maxDigitsForType, uint minDigits = 1u, uint maxDigits = uint.MaxValue)
{
if (maxDigits < minDigits)
{
throw new ArgumentException("minDigits cannot be greater than maxDigits.");
}
uint num = 0u;
uint num2 = ((maxDigitsForType < maxDigits) ? maxDigitsForType : maxDigits);
ulong num3 = 1uL;
while (num3 <= value && num < num2)
{
num3 *= 10;
num++;
}
uint num4 = ((minDigits < num) ? num : minDigits);
if (num4 != 0)
{
int length = stringBuilder.Length;
stringBuilder.Append('0', (int)num4);
ulong num5 = 0uL;
ulong num6 = (uint)(length + (int)num4 - 1);
ulong num7 = value;
while (num5 < num)
{
ulong num8 = num7 / 10;
byte b = (byte)(num7 - num8 * 10);
char value2 = (char)(48 + b);
stringBuilder[(int)num6] = value2;
num7 = num8;
num5++;
num6--;
}
}
return stringBuilder;
}
private static StringBuilder AppendSignedInternal(StringBuilder stringBuilder, long value, uint maxDigitsForType, uint minDigits = 1u, uint maxDigits = uint.MaxValue)
{
if (maxDigits < minDigits)
{
throw new ArgumentException("minDigits cannot be greater than maxDigits.");
}
if (value < 0)
{
stringBuilder.Append('-');
value = -value;
}
return AppendUnsignedInternal(stringBuilder, (uint)value, maxDigitsForType, minDigits, maxDigits);
}
private static void GetByteHexChars(byte byteValue, out char char1, out char char2)
{
char1 = hexLookup[(byteValue >> 4) & 0xF];
char2 = hexLookup[byteValue & 0xF];
}
public static StringBuilder AppendByteHexValue(this StringBuilder stringBuilder, byte value)
{
GetByteHexChars(value, out var @char, out var char2);
return stringBuilder.Append(@char).Append(char2);
}
public static StringBuilder AppendColor32RGBHexValues(this StringBuilder stringBuilder, Color32 color)
{
int num = stringBuilder.Length + 6;
if (stringBuilder.Capacity < num)
{
stringBuilder.Capacity = num;
}
GetByteHexChars(color.r, out var @char, out var char2);
GetByteHexChars(color.g, out var char3, out var char4);
GetByteHexChars(color.b, out var char5, out var char6);
return stringBuilder.Append(@char).Append(char2).Append(char3)
.Append(char4)
.Append(char5)
.Append(char6);
}
public static StringBuilder JoinEnumerator<TElement, TEnumerator>(this StringBuilder stringBuilder, [NotNull] string separator, TEnumerator enumerator) where TEnumerator : IEnumerator<TElement>
{
if (enumerator.MoveNext())
{
stringBuilder.Append(enumerator.Current);
while (enumerator.MoveNext())
{
stringBuilder.Append(separator);
stringBuilder.Append(enumerator.Current);
}
}
return stringBuilder;
}
public static string Take(this StringBuilder stringBuilder)
{
string result = stringBuilder.ToString();
stringBuilder.Clear();
return result;
}
}