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ot::Stringify class
Provides helper methods to convert from a set of `uint16_t` values (e.g., a non-sequential `enum`) to string using binary search in a lookup table.
Syntax
class Stringify : public BinarySearch
{
public:
class Entry
{
friend class BinarySearch;
public:
uint16_t mKey;
const char *mString;
private:
int Compare(uint16_t aKey) const { return ThreeWayCompare(aKey, mKey); }
constexpr static bool AreInOrder(const Entry &aFirst, const Entry &aSecond)
{
return aFirst.mKey < aSecond.mKey;
}
};
template <uint16_t kLength>
static const char *Lookup(uint16_t aKey, const Entry (&aTable)[kLength], const char *aNotFound = "unknown")
{
const Entry *entry = BinarySearch::Find(aKey, aTable);
return (entry != nullptr) ? entry->mString : aNotFound;
}
Stringify(void) = delete;
};