electron removed

This commit is contained in:
kitbyte
2025-03-21 23:35:16 +02:00
parent 8e33e58939
commit 4049ade4b1
54 changed files with 3635 additions and 828 deletions
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using System;
using System.Text;
namespace AsarSharp.PickleTools
{
public class Pickle
{
public const int SIZE_INT32 = 4;
public const int SIZE_UINT32 = 4;
public const int SIZE_INT64 = 8;
public const int SIZE_UINT64 = 8;
public const int SIZE_FLOAT = 4;
public const int SIZE_DOUBLE = 8;
// Size of memory allocation unit for payload
public const int PAYLOAD_UNIT = 64;
// Maximum value for read-only
public const long CAPACITY_READ_ONLY = 9007199254740992;
private byte[] _header;
private int _headerSize;
private long _capacityAfterHeader;
private int _writeOffset;
private Pickle(byte[] buffer = null)
{
if (buffer != null)
{
_header = buffer;
_headerSize = buffer.Length - GetPayloadSize();
_capacityAfterHeader = CAPACITY_READ_ONLY;
_writeOffset = 0;
if (_headerSize > buffer.Length)
{
_headerSize = 0;
}
if (_headerSize != AlignInt(_headerSize, SIZE_UINT32))
{
_headerSize = 0;
}
if (_headerSize == 0)
{
_header = new byte[0];
}
}
else
{
_header = new byte[0];
_headerSize = SIZE_UINT32;
_capacityAfterHeader = 0;
_writeOffset = 0;
Resize(PAYLOAD_UNIT);
SetPayloadSize(0);
}
}
public static Pickle CreateEmpty()
{
return new Pickle();
}
public static Pickle CreateFromBuffer(byte[] buffer)
{
return new Pickle(buffer);
}
public byte[] GetHeader()
{
return _header;
}
public int GetHeaderSize()
{
return _headerSize;
}
public PickleIterator CreateIterator()
{
return new PickleIterator(this);
}
/// <summary>
/// Converts Pickle to a byte array
/// </summary>
public byte[] ToBuffer()
{
int resultSize = _headerSize + GetPayloadSize();
byte[] result = new byte[resultSize];
Array.Copy(_header, 0, result, 0, resultSize);
return result;
}
public bool WriteBool(bool value)
{
return WriteInt(value ? 1 : 0);
}
public bool WriteInt(int value)
{
EnsureCapacity(SIZE_INT32);
var dataLength = AlignInt(SIZE_INT32, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
WriteInt32LE(value, _headerSize + _writeOffset);
var endOffset = _headerSize + _writeOffset + SIZE_INT32;
for (int i = endOffset; i < endOffset + dataLength - SIZE_INT32; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public bool WriteUInt32(uint value)
{
EnsureCapacity(SIZE_UINT32);
var dataLength = AlignInt(SIZE_UINT32, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
WriteUInt32LE(value, _headerSize + _writeOffset);
var endOffset = _headerSize + _writeOffset + SIZE_UINT32;
for (int i = endOffset; i < endOffset + dataLength - SIZE_UINT32; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public bool WriteInt64(long value)
{
EnsureCapacity(SIZE_INT64);
var dataLength = AlignInt(SIZE_INT64, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
WriteInt64LE(value, _headerSize + _writeOffset);
var endOffset = _headerSize + _writeOffset + SIZE_INT64;
for (int i = endOffset; i < endOffset + dataLength - SIZE_INT64; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public bool WriteUInt64(ulong value)
{
EnsureCapacity(SIZE_UINT64);
var dataLength = AlignInt(SIZE_UINT64, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
WriteUInt64LE(value, _headerSize + _writeOffset);
var endOffset = _headerSize + _writeOffset + SIZE_UINT64;
for (int i = endOffset; i < endOffset + dataLength - SIZE_UINT64; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public bool WriteFloat(float value)
{
EnsureCapacity(SIZE_FLOAT);
var dataLength = AlignInt(SIZE_FLOAT, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
byte[] bytes = BitConverter.GetBytes(value);
if (!BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
Array.Copy(bytes, 0, _header, _headerSize + _writeOffset, SIZE_FLOAT);
var endOffset = _headerSize + _writeOffset + SIZE_FLOAT;
for (int i = endOffset; i < endOffset + dataLength - SIZE_FLOAT; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public bool WriteDouble(double value)
{
EnsureCapacity(SIZE_DOUBLE);
var dataLength = AlignInt(SIZE_DOUBLE, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
byte[] bytes = BitConverter.GetBytes(value);
if (!BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
Array.Copy(bytes, 0, _header, _headerSize + _writeOffset, SIZE_DOUBLE);
var endOffset = _headerSize + _writeOffset + SIZE_DOUBLE;
for (int i = endOffset; i < endOffset + dataLength - SIZE_DOUBLE; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public bool WriteString(string value)
{
byte[] strBytes = Encoding.UTF8.GetBytes(value);
int length = strBytes.Length;
if (!WriteInt(length))
{
return false;
}
var dataLength = AlignInt(length, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
Array.Copy(strBytes, 0, _header, _headerSize + _writeOffset, length);
var endOffset = _headerSize + _writeOffset + length;
for (int i = endOffset; i < endOffset + dataLength - length; i++)
{
_header[i] = 0;
}
SetPayloadSize(newSize);
_writeOffset = newSize;
return true;
}
public void SetPayloadSize(int payloadSize)
{
WriteUInt32LE((uint)payloadSize, 0);
}
public int GetPayloadSize()
{
return (int)ReadUInt32LE(0);
}
private void Resize(int newCapacity)
{
newCapacity = AlignInt(newCapacity, PAYLOAD_UNIT);
byte[] newHeader = new byte[_header.Length + newCapacity];
Array.Copy(_header, 0, newHeader, 0, _header.Length);
_header = newHeader;
_capacityAfterHeader = newCapacity;
}
public static int AlignInt(int i, int alignment)
{
return i + ((alignment - (i % alignment)) % alignment);
}
private void EnsureCapacity(int additionalSize)
{
var dataLength = AlignInt(additionalSize, SIZE_UINT32);
var newSize = _writeOffset + dataLength;
if (newSize > _capacityAfterHeader)
{
Resize(Math.Max((int)_capacityAfterHeader * 2, newSize));
}
}
#region Auxiliary methods for reading/writing values in Little Endian
private uint ReadUInt32LE(int offset)
{
if (BitConverter.IsLittleEndian)
{
return BitConverter.ToUInt32(_header, offset);
}
else
{
return (uint)(_header[offset] |
(_header[offset + 1] << 8) |
(_header[offset + 2] << 16) |
(_header[offset + 3] << 24));
}
}
private void WriteInt32LE(int value, int offset)
{
if (BitConverter.IsLittleEndian)
{
byte[] bytes = BitConverter.GetBytes(value);
Array.Copy(bytes, 0, _header, offset, 4);
}
else
{
_header[offset] = (byte)value;
_header[offset + 1] = (byte)(value >> 8);
_header[offset + 2] = (byte)(value >> 16);
_header[offset + 3] = (byte)(value >> 24);
}
}
private void WriteUInt32LE(uint value, int offset)
{
if (BitConverter.IsLittleEndian)
{
byte[] bytes = BitConverter.GetBytes(value);
Array.Copy(bytes, 0, _header, offset, 4);
}
else
{
_header[offset] = (byte)value;
_header[offset + 1] = (byte)(value >> 8);
_header[offset + 2] = (byte)(value >> 16);
_header[offset + 3] = (byte)(value >> 24);
}
}
private void WriteInt64LE(long value, int offset)
{
if (BitConverter.IsLittleEndian)
{
byte[] bytes = BitConverter.GetBytes(value);
Array.Copy(bytes, 0, _header, offset, 8);
}
else
{
_header[offset] = (byte)value;
_header[offset + 1] = (byte)(value >> 8);
_header[offset + 2] = (byte)(value >> 16);
_header[offset + 3] = (byte)(value >> 24);
_header[offset + 4] = (byte)(value >> 32);
_header[offset + 5] = (byte)(value >> 40);
_header[offset + 6] = (byte)(value >> 48);
_header[offset + 7] = (byte)(value >> 56);
}
}
private void WriteUInt64LE(ulong value, int offset)
{
if (BitConverter.IsLittleEndian)
{
byte[] bytes = BitConverter.GetBytes(value);
Array.Copy(bytes, 0, _header, offset, 8);
}
else
{
_header[offset] = (byte)value;
_header[offset + 1] = (byte)(value >> 8);
_header[offset + 2] = (byte)(value >> 16);
_header[offset + 3] = (byte)(value >> 24);
_header[offset + 4] = (byte)(value >> 32);
_header[offset + 5] = (byte)(value >> 40);
_header[offset + 6] = (byte)(value >> 48);
_header[offset + 7] = (byte)(value >> 56);
}
}
#endregion
}
}
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using System;
using System.Text;
namespace AsarSharp.PickleTools
{
public class PickleIterator
{
private readonly byte[] _payload;
private readonly int _payloadOffset;
private int _readIndex;
private readonly int _endIndex;
public PickleIterator(Pickle pickle)
{
_payload = pickle.GetHeader();
_payloadOffset = pickle.GetHeaderSize();
_readIndex = 0;
_endIndex = pickle.GetPayloadSize();
}
public bool ReadBool()
{
return ReadInt() != 0;
}
public int ReadInt()
{
return ReadBytes(Pickle.SIZE_INT32, BitConverter.ToInt32);
}
public uint ReadUInt32()
{
return ReadBytes(Pickle.SIZE_UINT32, BitConverter.ToUInt32);
}
public long ReadInt64()
{
return ReadBytes(Pickle.SIZE_INT64, BitConverter.ToInt64);
}
public ulong ReadUInt64()
{
return ReadBytes(Pickle.SIZE_UINT64, BitConverter.ToUInt64);
}
public float ReadFloat()
{
return ReadBytes(Pickle.SIZE_FLOAT, BitConverter.ToSingle);
}
public double ReadDouble()
{
return ReadBytes(Pickle.SIZE_DOUBLE, BitConverter.ToDouble);
}
public string ReadString()
{
int length = ReadInt();
return Encoding.UTF8.GetString(ReadBytes(length));
}
private T ReadBytes<T>(int length, Func<byte[], int, T> converter)
{
int readPayloadOffset = GetReadPayloadOffsetAndAdvance(length);
return converter(_payload, readPayloadOffset);
}
private byte[] ReadBytes(int length)
{
int readPayloadOffset = GetReadPayloadOffsetAndAdvance(length);
byte[] result = new byte[length];
Array.Copy(_payload, readPayloadOffset, result, 0, length);
return result;
}
private int GetReadPayloadOffsetAndAdvance(int length)
{
if (length > _endIndex - _readIndex)
{
_readIndex = _endIndex;
throw new InvalidOperationException($"Failed to read data with length of {length}");
}
int readPayloadOffset = _payloadOffset + _readIndex;
Advance(length);
return readPayloadOffset;
}
private void Advance(int size)
{
int alignedSize = Pickle.AlignInt(size, Pickle.SIZE_UINT32);
if (_endIndex - _readIndex < alignedSize)
{
_readIndex = _endIndex;
}
else
{
_readIndex += alignedSize;
}
}
}
}