internal double GetDoubleWithQuotes()
{
ReadOnlySpan <byte> span = GetUnescapedSpan();
if (JsonReaderHelper.TryGetFloatingPointConstant(span, out double value))
{
return(value);
}
char numberFormat = JsonReaderHelper.GetFloatingPointStandardParseFormat(span);
if (Utf8Parser.TryParse(span, out value, out int bytesConsumed, numberFormat) &&
span.Length == bytesConsumed)
{
// NETCOREAPP implmentation of the TryParse method above permits case-insenstive variants of the
// float constants "NaN", "Infinity", "-Infinity". This differs from the NETFRAMEWORK implementation.
// The following logic reconciles the two implementations to enforce consistent behavior.
if (!double.IsNaN(value) && !double.IsPositiveInfinity(value) && !double.IsNegativeInfinity(value))
{
return(value);
}
}
throw ThrowHelper.GetFormatException(NumericType.Double);
}
internal double GetDoubleFloatingPointConstant()
{
ReadOnlySpan <byte> span = GetUnescapedSpan();
if (JsonReaderHelper.TryGetFloatingPointConstant(span, out double value))
{
return(value);
}
throw ThrowHelper.GetFormatException(NumericType.Double);
}
internal float GetSingleFloatingPointConstant()
{
ReadOnlySpan <byte> span = GetUnescapedSpan();
if (!JsonReaderHelper.TryGetFloatingPointConstant(span, out float value))
{
ThrowHelper.ThrowFormatException(NumericType.Single);
}
return(value);
}
internal float GetSingleWithQuotes()
{
ReadOnlySpan <byte> span = GetUnescapedSpan();
if (JsonReaderHelper.TryGetFloatingPointConstant(span, out float value))
{
return(value);
}
// NETCOREAPP implementation of the TryParse method above permits case-insensitive variants of the
// float constants "NaN", "Infinity", "-Infinity". This differs from the NETFRAMEWORK implementation.
// The following logic reconciles the two implementations to enforce consistent behavior.
if (!(Utf8Parser.TryParse(span, out value, out int bytesConsumed) &&
span.Length == bytesConsumed &&
JsonHelpers.IsFinite(value)))
{
ThrowHelper.ThrowFormatException(NumericType.Single);
}
return(value);
}
