88 lines
1.4 KiB
C++
88 lines
1.4 KiB
C++
#include "timerange.h"
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#include <utility>
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TimeRange::TimeRange(const rational &in, const rational &out) :
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in_(in),
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out_(out)
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{
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normalize();
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}
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const rational &TimeRange::in() const
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{
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return in_;
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}
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const rational &TimeRange::out() const
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{
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return out_;
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}
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const rational &TimeRange::length() const
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{
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return length_;
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}
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void TimeRange::set_in(const rational &in)
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{
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in_ = in;
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normalize();
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}
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void TimeRange::set_out(const rational &out)
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{
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out_ = out;
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normalize();
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}
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void TimeRange::set_range(const rational &in, const rational &out)
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{
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in_ = in;
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out_ = out;
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normalize();
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}
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bool TimeRange::operator==(const TimeRange &r) const
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{
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return in() == r.in() && out() == r.out();
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}
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bool TimeRange::OverlapsWith(const TimeRange &a) const
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{
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return Overlap(a, *this);
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}
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TimeRange TimeRange::CombineWith(const TimeRange &a) const
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{
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return Combine(a, *this);
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}
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bool TimeRange::Overlap(const TimeRange &a, const TimeRange &b)
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{
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return !(a.out() < b.in() || a.in() > b.out());
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}
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TimeRange TimeRange::Combine(const TimeRange &a, const TimeRange &b)
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{
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return TimeRange(qMin(a.in(), b.in()),
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qMax(a.out(), b.out()));
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}
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void TimeRange::normalize()
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{
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// If `out` is earlier than `in`, swap them
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if (out_ < in_)
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{
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std::swap(out_, in_);
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}
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// Calculate length
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length_ = out_ - in_;
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}
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uint qHash(const TimeRange &r, uint seed)
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{
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return qHash(r.in(), seed) ^ qHash(r.out(), seed);
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}
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