internal static float?ReadFloatWrapperLittleEndian(ref ReadOnlySpan <byte> buffer, ref ParserInternalState state)
{
// length:1 + tag:1 + value:4 = 6 bytes
if (state.bufferPos + 6 <= state.bufferSize)
{
// The entire wrapper message is already contained in `buffer`.
int length = buffer[state.bufferPos];
if (length == 0)
{
state.bufferPos++;
return(0F);
}
// tag:1 + value:4 = length of 5 bytes
// field=1, type=32-bit = tag of 13
if (length != 5 || buffer[state.bufferPos + 1] != 13)
{
return(ReadFloatWrapperSlow(ref buffer, ref state));
}
state.bufferPos += 2;
return(ParsingPrimitives.ParseFloat(ref buffer, ref state));
}
else
{
return(ReadFloatWrapperSlow(ref buffer, ref state));
}
}
internal static float?ReadFloatWrapperSlow(ref ReadOnlySpan <byte> buffer, ref ParserInternalState state)
{
int length = ParsingPrimitives.ParseLength(ref buffer, ref state);
if (length == 0)
{
return(0F);
}
int finalBufferPos = state.totalBytesRetired + state.bufferPos + length;
float result = 0F;
do
{
// field=1, type=32-bit = tag of 13
if (ParsingPrimitives.ParseTag(ref buffer, ref state) == 13)
{
result = ParsingPrimitives.ParseFloat(ref buffer, ref state);
}
else
{
ParsingPrimitivesMessages.SkipLastField(ref buffer, ref state);
}
}while (state.totalBytesRetired + state.bufferPos < finalBufferPos);
return(result);
}
public float ReadFloat()
{
return(ParsingPrimitives.ParseFloat(ref buffer, ref state));
}
