public static bool TryWrite(ref ResizableMemory <byte> writer, int value, StandardFormat standardFormat)
{
if (standardFormat.IsDefault)
{
if (value <= byte.MaxValue && value >= byte.MinValue)
{
return(TryWrite(ref writer, (byte)value, standardFormat));
}
writer.Push((byte)EtfTokenType.Integer);
BinaryPrimitives.WriteInt32BigEndian(writer.RequestSpan(4), value);
writer.Advance(4);
}
else
{
int start = writer.Length;
writer.Push((byte)EtfTokenType.Binary);
writer.Advance(4);
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
int length = writer.Length - start - 5;
writer.Array[start + 1] = (byte)(length >> 24);
writer.Array[start + 2] = (byte)(length >> 16);
writer.Array[start + 3] = (byte)(length >> 8);
writer.Array[start + 4] = (byte)length;
}
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, bool value, StandardFormat standardFormat)
{
if (standardFormat.IsDefault)
{
if (value)
{
_trueValue.Span.CopyTo(writer.RequestSpan(6));
writer.Advance(6);
}
else
{
_falseValue.Span.CopyTo(writer.RequestSpan(7));
writer.Advance(7);
}
}
else
{
int start = writer.Length;
writer.Push((byte)EtfTokenType.Binary);
writer.Advance(4);
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
int length = writer.Length - start - 5;
writer.Array[start + 1] = (byte)(length >> 24);
writer.Array[start + 2] = (byte)(length >> 16);
writer.Array[start + 3] = (byte)(length >> 8);
writer.Array[start + 4] = (byte)length;
}
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, decimal value, StandardFormat standardFormat = default)
{
writer.Push((byte)'"');
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
writer.Push((byte)'"');
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, DateTimeOffset value, StandardFormat standardFormat)
{
writer.Push((byte)'"');
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
writer.Push((byte)'"');
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, long value, StandardFormat standardFormat)
{
if (standardFormat.IsDefault)
{
if (value <= byte.MaxValue && value >= byte.MinValue)
{
return(TryWrite(ref writer, (byte)value, standardFormat));
}
if (value <= int.MaxValue && value >= int.MinValue)
{
return(TryWrite(ref writer, (int)value, standardFormat));
}
writer.Push((byte)EtfTokenType.SmallBig);
writer.Push(8);
if (value >= 0)
{
writer.Push(0);
BinaryPrimitives.WriteUInt64LittleEndian(writer.RequestSpan(8), (ulong)value);
}
else
{
writer.Push(1);
if (value == long.MinValue)
{
BinaryPrimitives.WriteUInt64LittleEndian(writer.RequestSpan(8), 9223372036854775808);
}
else
{
BinaryPrimitives.WriteUInt64LittleEndian(writer.RequestSpan(8), (ulong)-value);
}
}
writer.Advance(8);
}
else
{
int start = writer.Length;
writer.Push((byte)EtfTokenType.Binary);
writer.Advance(4);
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
int length = writer.Length - start - 5;
writer.Array[start + 1] = (byte)(length >> 24);
writer.Array[start + 2] = (byte)(length >> 16);
writer.Array[start + 3] = (byte)(length >> 8);
writer.Array[start + 4] = (byte)length;
}
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, DateTime value, StandardFormat standardFormat)
{
int start = writer.Length;
writer.Push((byte)EtfTokenType.Binary);
writer.Advance(4);
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
int length = writer.Length - start - 5;
writer.Array[start + 1] = (byte)(length >> 24);
writer.Array[start + 2] = (byte)(length >> 16);
writer.Array[start + 3] = (byte)(length >> 8);
writer.Array[start + 4] = (byte)length;
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, float value, StandardFormat standardFormat = default)
{
if (standardFormat.IsDefault && !float.IsInfinity(value) && !float.IsNaN(value))
{
if (!Utf8Writer.TryWrite(ref writer, value, JsonSerializer.FloatFormat.Symbol))
{
return(false);
}
}
else
{
writer.Push((byte)'"');
if (!Utf8Writer.TryWrite(ref writer, value, !standardFormat.IsDefault ? standardFormat : JsonSerializer.FloatFormat.Symbol))
{
return(false);
}
writer.Push((byte)'"');
}
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, bool value, StandardFormat standardFormat = default)
{
if (standardFormat.IsDefault)
{
if (!Utf8Writer.TryWrite(ref writer, value, JsonSerializer.BooleanFormat.Symbol))
{
return(false);
}
}
else
{
writer.Push((byte)'"');
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
writer.Push((byte)'"');
}
return(true);
}
public static bool TryWrite(ref ResizableMemory <byte> writer, float value, StandardFormat standardFormat)
{
// TODO: Untested, does Discord have any endpoints that accept floats?
if (standardFormat.IsDefault)
{
writer.Push((byte)EtfTokenType.NewFloat);
// Swap endian
Span <double> src = stackalloc double[] { value };
var srcBytes = MemoryMarshal.AsBytes(src);
var dst = writer.RequestSpan(8);
dst[0] = srcBytes[7];
dst[1] = srcBytes[6];
dst[2] = srcBytes[5];
dst[3] = srcBytes[4];
dst[4] = srcBytes[3];
dst[5] = srcBytes[2];
dst[6] = srcBytes[1];
dst[7] = srcBytes[0];
writer.Advance(8);
}
else
{
int start = writer.Length;
writer.Push((byte)EtfTokenType.Binary);
writer.Advance(4);
if (!Utf8Writer.TryWrite(ref writer, value, standardFormat))
{
return(false);
}
int length = writer.Length - start - 5;
writer.Array[start + 1] = (byte)(length >> 24);
writer.Array[start + 2] = (byte)(length >> 16);
writer.Array[start + 3] = (byte)(length >> 8);
writer.Array[start + 4] = (byte)length;
}
return(true);
}