fsfw/globalfunctions/matching/DecimalMatcher.h
2020-08-13 20:53:35 +02:00

51 lines
1.0 KiB
C++

#ifndef DECIMALMATCHER_H_
#define DECIMALMATCHER_H_
#include "MatcherIF.h"
template<typename T>
class DecimalMatcher: public MatcherIF<T> {
public:
bool inverted;
T mask, matchField;
DecimalMatcher() :
inverted(false), mask(0), matchField(0) {
}
DecimalMatcher(T mask, T match, bool inverted = false) :
inverted(inverted), mask(mask), matchField(match) {
}
bool match(T input) {
if (inverted) {
return ~doMatch(input, mask, matchField);
} else {
return doMatch(input, mask, matchField);
}
}
protected:
bool doMatch(T input, T mask, T match) {
T decimal = 1, remainderMask, remainderMatch, remainderInput;
while (mask != 0) {
remainderMask = mask % (decimal * 10);
remainderMatch = match % (decimal * 10);
remainderInput = input % (decimal * 10);
if (remainderMask != 0) {
if (remainderMatch != remainderInput) {
return false;
}
}
mask -= remainderMask;
match -= remainderMatch;
input -= remainderInput;
decimal *= 10;
}
return true;
}
};
#endif /* DECIMALMATCHER_H_ */