/// <summary>
/// Parses the current JSON token value from the source and decodes the Base64 encoded JSON string as bytes.
/// Returns <see langword="true"/> if the entire token value is encoded as valid Base64 text and can be successfully
/// decoded to bytes.
/// Returns <see langword="false"/> otherwise.
/// </summary>
/// <exception cref="InvalidOperationException">
/// Thrown if trying to get the value of a JSON token that is not a <see cref="JsonTokenType.String"/>.
/// <seealso cref="TokenType" />
/// </exception>
public bool TryGetBytesFromBase64(out byte[] value)
{
if (TokenType != JsonTokenType.String)
{
throw ThrowHelper.GetInvalidOperationException_ExpectedString(TokenType);
}
ReadOnlySpan <byte> span = HasValueSequence ? ValueSequence.ToArray() : ValueSpan;
if (_stringHasEscaping)
{
int idx = span.IndexOf(JsonConstants.BackSlash);
Debug.Assert(idx != -1);
return(JsonReaderHelper.TryGetUnescapedBase64Bytes(span, idx, out value));
}
Debug.Assert(span.IndexOf(JsonConstants.BackSlash) == -1);
return(JsonReaderHelper.TryDecodeBase64(span, out value));
}
