/// <summary>
/// Tries to parse a <see cref="NbNsQuestionEntry"/> from a buffer of bytes
/// </summary>
/// <param name="buffer">Byte array containing the NbNsQuestionEntry</param>
/// <param name="offset">Zero based offset in the buffer where the NbNsQuestionEntry starts</param>
/// <param name="questionEntry">Parsed NbNsQuestionEntry if successful, else null</param>
/// <returns><c>true</c> if parsing was successful, else <c>false</c></returns>
public static bool TryParse(byte[] buffer, int offset, out NbNsQuestionEntry questionEntry)
{
questionEntry = null;
NbName questionName;
if (!NbName.TryParse(buffer, offset, out questionName))
{
return(false);
}
if (buffer.Length < offset + questionName.Length + 4)
{
return(false);
}
var questionType = (QuestionTypeSpecifier)BufferToUInt16(buffer, offset + questionName.Length);
if (!Enum.IsDefined(typeof(QuestionTypeSpecifier), questionType))
{
return(false);
}
var questionClass = (QuestionClassSpecifier)BufferToUInt16(buffer, offset + questionName.Length + 2);
if (!Enum.IsDefined(typeof(QuestionClassSpecifier), questionClass))
{
return(false);
}
questionEntry = new NbNsQuestionEntry(questionName, questionType);
return(true);
}
/// <summary>
/// Tries to parse a <see cref="NbNsQuestionEntry"/> from a buffer of bytes
/// </summary>
/// <param name="buffer">Byte array containing the NbNsQuestionEntry</param>
/// <param name="offset">Zero based offset in the buffer where the NbNsQuestionEntry starts</param>
/// <param name="questionEntry">Parsed NbNsQuestionEntry if successful, else null</param>
/// <returns><c>true</c> if parsing was successful, else <c>false</c></returns>
public static bool TryParse(byte[] buffer, int offset, out NbNsQuestionEntry questionEntry)
{
questionEntry = null;
NbName questionName;
if (!NbName.TryParse(buffer, offset, out questionName))
return false;
if (buffer.Length < offset + questionName.Length + 4)
return false;
var questionType = (QuestionTypeSpecifier)BufferToUInt16(buffer, offset + questionName.Length);
if (!Enum.IsDefined(typeof(QuestionTypeSpecifier), questionType))
return false;
var questionClass = (QuestionClassSpecifier)BufferToUInt16(buffer, offset + questionName.Length + 2);
if (!Enum.IsDefined(typeof(QuestionClassSpecifier), questionClass))
return false;
questionEntry = new NbNsQuestionEntry(questionName, questionType);
return true;
}
