internal byte[] ReadBitString(out int unusedBitCount, Asn1Tag?expectedTag = default)
{
byte[] ret = AsnDecoder.ReadBitString(
_span,
_ruleSet,
out unusedBitCount,
out int consumed,
expectedTag);
_span = _span.Slice(consumed);
return(ret);
}
/// <summary>
/// Reads the next value as a BIT STRING with a specified tag, returning the value
/// in a byte array.
/// </summary>
/// <param name="unusedBitCount">
/// On success, receives the number of bits in the last byte which were reported as
/// "unused" by the writer.
/// </param>
/// <param name="expectedTag">
/// The tag to check for before reading, or <see langword="null"/> for the default tag (Universal 1).
/// </param>
/// <returns>
/// A copy of the value in a newly allocated, precisely sized, array.
/// </returns>
/// <exception cref="AsnContentException">
/// the next value does not have the correct tag.
///
/// -or-
///
/// the length encoding is not valid under the current encoding rules.
///
/// -or-
///
/// the contents are not valid under the current encoding rules.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="expectedTag"/>.<see cref="Asn1Tag.TagClass"/> is
/// <see cref="TagClass.Universal"/>, but
/// <paramref name="expectedTag"/>.<see cref="Asn1Tag.TagValue"/> is not correct for
/// the method.
/// </exception>
/// <seealso cref="TryReadPrimitiveBitString"/>
/// <seealso cref="TryReadBitString"/>
public byte[] ReadBitString(out int unusedBitCount, Asn1Tag?expectedTag = null)
{
byte[] ret = AsnDecoder.ReadBitString(
_data.Span,
RuleSet,
out unusedBitCount,
out int consumed,
expectedTag);
_data = _data.Slice(consumed);
return(ret);
}
