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Adds format buffer (#278)

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Kamron Batman 2020-10-17 23:40:39 -07:00 • committed by GitHub
parent 24bf97282e
commit 8603e31023
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1 changed files with 107 additions and 0 deletions
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107
Projects/Server/Utilities/Utility.cs
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@ -658,6 +658,113 @@ namespace Server
}
}
public static void FormatBuffer(TextWriter output, params Memory<byte>[] mems)
{
output.WriteLine(" 0 1 2 3 4 5 6 7 8 9 A B C D E F");
output.WriteLine(" -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --");
var byteIndex = 0;
var length = mems.Sum(mem => mem.Length);
var position = 0;
var memIndex = 0;
var span = mems[memIndex].Span;
var whole = length >> 4;
var rem = length & 0xF;
for (var i = 0; i < whole; ++i, byteIndex += 16)
{
var bytes = new StringBuilder(49);
var chars = new StringBuilder(16);
for (var j = 0; j < 16; ++j)
{
var c = span[position++];
if (position > span.Length)
{
span = mems[memIndex++].Span;
position = 0;
}
bytes.Append(c.ToString("X2"));
if (j != 7)
{
bytes.Append(' ');
}
else
{
bytes.Append(" ");
}
if (c >= 0x20 && c < 0x7F)
{
chars.Append((char)c);
}
else
{
chars.Append('.');
}
}
output.Write(byteIndex.ToString("X4"));
output.Write(" ");
output.Write(bytes.ToString());
output.Write(" ");
output.WriteLine(chars.ToString());
}
if (rem != 0)
{
var bytes = new StringBuilder(49);
var chars = new StringBuilder(rem);
for (var j = 0; j < 16; ++j)
{
if (j < rem)
{
var c = span[position++];
if (position > span.Length)
{
span = mems[memIndex++].Span;
position = 0;
}
bytes.Append(c.ToString("X2"));
if (j != 7)
{
bytes.Append(' ');
}
else
{
bytes.Append(" ");
}
if (c >= 0x20 && c < 0x7F)
{
chars.Append((char)c);
}
else
{
chars.Append('.');
}
}
else
{
bytes.Append(" ");
}
}
output.Write(byteIndex.ToString("X4"));
output.Write(" ");
output.Write(bytes.ToString());
output.Write(" ");
output.WriteLine(chars.ToString());
}
}
public static void PushColor(ConsoleColor color)
{
try