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