23 lines
639 B
C++
23 lines
639 B
C++
|
#include "convert.h"
|
||
|
|
|
||
|
|
BEGIN_NAMESPACE(BusinessLogic)
|
||
|
|
BEGIN_NAMESPACE(Convert)
|
||
|
|
|
||
|
|
size_t FromStdString::operator()(const std::array<char, 5> &value, size_t alphabetPower) const {
|
||
|
|
if (value.empty()) {
|
||
|
|
throw std::invalid_argument("undefined key");
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t result = 0;
|
||
|
|
size_t counter = 0;
|
||
|
|
for (auto crbegin = value.crbegin(), crend = value.crend()
|
||
|
|
; crbegin != crend && *crbegin >= '!' && *crbegin <= '~'; ++crbegin, ++counter
|
||
|
|
) {
|
||
|
|
result += (*crbegin) * std::pow(alphabetPower, counter);
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
END_NAMESPACE // Convert
|
||
|
|
END_NAMESPACE // BusinessLogic
|