/// <summary>
/// Attempts to read a Name predicate starting from the current position. The name predicate <b>must</b> be followed
/// by a white space. If the Name predicate is succesfully parsed the function returns true and the <b>name</b>
/// parameter will be intialized with the name read. If the predicate is nor recognized then the function returns false,
/// <b>name</b> output parameter will have a value of <b>null</b> and the position will be restored to the current
/// possition before the function was called. If the predicate is recognized and parsed the position remains on the
/// white space immediately after the predicate.
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
protected override unsafe bool ReadNamePredicate(out string name)
{
//[4] NameChar ::= Letter | Digit | '.' | '-' | '_' | ':' | CombiningChar | Extender
//[5] Name ::= (Letter | '_' | ':') (NameChar)*
name = null;
long startPos = (long)m_RawDataPtr;
if (!CharacterClasses.IsLetter(m_RawDataPtr) && *m_RawDataPtr != '_' && *m_RawDataPtr != ':')
{
// Restore the starting position as the parsing was unsuccesfull
m_RawDataPtr = (char *)startPos;
return(false);
}
if (ReadChar())
{
while (CharacterClasses.IsNameChar(m_RawDataPtr))
{
if (!ReadChar())
{
// Restore the starting position as the parsing was unsuccesfull
m_RawDataPtr = (char *)startPos;
return(false);
}
}
name = GetParsedDataString((char *)startPos);
}
return(true);
}
