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TrustPilotChallenge/dotnet/WhiteRabbit/Word.cs

54 lines
1.5 KiB

namespace WhiteRabbit
{
internal unsafe struct Word
{
public fixed long Buffers[128];
public unsafe Word(byte[] word)
{
var tmpWord = new byte[word.Length + 1];
tmpWord[word.Length] = (byte)' ';
for (var i = 0; i < word.Length; i++)
{
tmpWord[i] = word[i];
}
fixed (long* buffersPointer = this.Buffers)
{
for (var i = 0; i < 32; i++)
{
var bytePointer = (byte*)(buffersPointer + 4 * i);
var endPointer = bytePointer + 32;
var currentPointer = bytePointer + i;
for (var j = 0; j < tmpWord.Length && currentPointer < endPointer; j++, currentPointer++)
{
*currentPointer = tmpWord[j];
}
}
buffersPointer[127] = tmpWord.Length * 4;
}
}
public unsafe byte[] Original
{
get
{
fixed (long* buffersPointer = this.Buffers)
{
var length = buffersPointer[127] / 4;
var result = new byte[length];
for (var i = 0; i < length; i++)
{
result[i] = ((byte*)buffersPointer)[i];
}
return result;
}
}
}
private static Word Empty { get; } = new Word();
}
}