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#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
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