Public Member Functions | |
virtual | ~ValueRangeProcessor () |
Destructor. | |
virtual Xapian::valueno | operator() (std::string &begin, std::string &end)=0 |
Check for a valid range of this type. |
virtual Xapian::valueno Xapian::ValueRangeProcessor::operator() | ( | std::string & | begin, | |
std::string & | end | |||
) | [pure virtual] |
Check for a valid range of this type.
If this ValueRangeProcessor recognises BEGIN..END it returns the value number to range filter on. Otherwise it returns Xapian::BAD_VALUENO.
Implemented in Xapian::StringValueRangeProcessor, Xapian::DateValueRangeProcessor, and Xapian::NumberValueRangeProcessor.