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General refactor and cleanup.

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This commit is contained in:
Natalia Portillo
2025-07-27 17:32:31 +01:00
parent a551e2474d
commit 8c116535c5
25 changed files with 335 additions and 324 deletions
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24
RomRepoMgr.Core/Checksums/CRC64Context.cs
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@@ -324,15 +324,15 @@ public sealed partial class Crc64Context : IChecksum
static ulong[][] GenerateTable(ulong polynomial)
{
var table = new ulong[8][];
ulong[][] table = new ulong[8][];
for(var i = 0; i < 8; i++) table[i] = new ulong[256];
for(int i = 0; i < 8; i++) table[i] = new ulong[256];
for(var i = 0; i < 256; i++)
for(int i = 0; i < 256; i++)
{
var entry = (ulong)i;
ulong entry = (ulong)i;
for(var j = 0; j < 8; j++)
for(int j = 0; j < 8; j++)
{
if((entry & 1) == 1)
entry = entry >> 1 ^ polynomial;
@@ -343,9 +343,9 @@ public sealed partial class Crc64Context : IChecksum
table[0][i] = entry;
}
for(var slice = 1; slice < 4; slice++)
for(int slice = 1; slice < 4; slice++)
{
for(var i = 0; i < 256; i++)
for(int i = 0; i < 256; i++)
table[slice][i] = table[slice - 1][i] >> 8 ^ table[0][table[slice - 1][i] & 0xFF];
}
@@ -362,7 +362,7 @@ public sealed partial class Crc64Context : IChecksum
return;
}
var dataOff = 0;
int dataOff = 0;
if(useEcma && Pclmulqdq.IsSupported && Sse41.IsSupported && Ssse3.IsSupported && Sse2.IsSupported)
{
@@ -393,7 +393,7 @@ public sealed partial class Crc64Context : IChecksum
while(dataOff < limit)
{
var tmp = (uint)(crc ^ BitConverter.ToUInt32(data, dataOff));
uint tmp = (uint)(crc ^ BitConverter.ToUInt32(data, dataOff));
dataOff += 4;
crc = table[3][tmp & 0xFF] ^
@@ -449,8 +449,8 @@ public sealed partial class Crc64Context : IChecksum
ulong[][] localTable = GenerateTable(polynomial);
var buffer = new byte[65536];
int read = fileStream.EnsureRead(buffer, 0, 65536);
byte[] buffer = new byte[65536];
int read = fileStream.EnsureRead(buffer, 0, 65536);
while(read > 0)
{
@@ -582,7 +582,7 @@ public sealed partial class Crc64Context : IChecksum
crc64_free(_nativeContext);
}
for(var i = 0; i < BigEndianBitConverter.GetBytes(crc).Length; i++)
for(int i = 0; i < BigEndianBitConverter.GetBytes(crc).Length; i++)
crc64Output.Append(BigEndianBitConverter.GetBytes(crc)[i].ToString("x2"));
return crc64Output.ToString();