/// <summary>
/// Returns an instance of <see cref="HttpHeaderValueLexer"/> to parse the rest of the items on the header value.
/// Parsing is based on this grammar:
/// header = "header-name" ":" 1#element
/// element = token [ BWS "=" BWS (token | quoted-string) ]
/// *( OWS ";" [ OWS parameter ] )
/// parameter = token [ BWS "=" BWS (token | quoted-string) ]
/// </summary>
/// <returns>Returns an instance of <see cref="HttpHeaderValueLexer"/> to parse the rest of the items on the header value.</returns>
internal override HttpHeaderValueLexer ReadNext()
{
DebugUtils.CheckNoExternalCallers();
if (this.EndOfHeaderValue())
{
return(HttpHeaderEnd.Instance);
}
HttpHeaderSeparator separator = this.ReadNextSeparator();
// ',' and ';' can come after a quoted-string.
if (separator.Value == ElementSeparator || separator.Value == ParameterSeparator)
{
return(separator);
}
throw new ODataException(Strings.HttpHeaderValueLexer_InvalidSeparatorAfterQuotedString(this.httpHeaderName, this.httpHeaderValue, this.startIndexOfNextItem, separator.Value));
}
