45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
|
#ifndef CPR_RANGE_H
|
||
|
|
#define CPR_RANGE_H
|
||
|
|
|
||
|
|
#include <cstdint>
|
||
|
|
#include <optional>
|
||
|
|
|
||
|
|
namespace cpr {
|
||
|
|
|
||
|
|
class Range {
|
||
|
|
public:
|
||
|
|
Range(const std::optional<std::int64_t> p_resume_from = std::nullopt, const std::optional<std::int64_t> p_finish_at = std::nullopt) {
|
||
|
|
resume_from = p_resume_from.value_or(0);
|
||
|
|
finish_at = p_finish_at.value_or(-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
std::int64_t resume_from;
|
||
|
|
std::int64_t finish_at;
|
||
|
|
|
||
|
|
const std::string str() const {
|
||
|
|
std::string from_str = (resume_from < 0U) ? "" : std::to_string(resume_from);
|
||
|
|
std::string to_str = (finish_at < 0U) ? "" : std::to_string(finish_at);
|
||
|
|
return from_str + "-" + to_str;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class MultiRange {
|
||
|
|
public:
|
||
|
|
MultiRange(std::initializer_list<Range> rs) : ranges{rs} {}
|
||
|
|
|
||
|
|
const std::string str() const {
|
||
|
|
std::string multi_range_string{};
|
||
|
|
for (Range range : ranges) {
|
||
|
|
multi_range_string += ((multi_range_string.empty()) ? "" : ", ") + range.str();
|
||
|
|
}
|
||
|
|
return multi_range_string;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::vector<Range> ranges;
|
||
|
|
}; // namespace cpr
|
||
|
|
|
||
|
|
} // namespace cpr
|
||
|
|
|
||
|
|
#endif
|