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Timeline: Reimplemented ::tracked

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This commit is contained in:
Paul Beckingham 2016-04-27 22:25:58 -04:00
parent 2e6f2c44c2
commit 59036f7908
1 changed files with 31 additions and 25 deletions
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56
src/Timeline.cpp
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@ -64,41 +64,47 @@ void Timeline::exclude (const Exclusion& exclusion)
////////////////////////////////////////////////////////////////////////////////
std::vector <Interval> Timeline::tracked (Rules& rules) const
{
// Create a range representing the whole timeline.
// If no range is defined, then assume the full range of all the inclusions.
Range overallRange {range};
if (! overallRange.started () &&
! overallRange.ended ())
overallRange = overallRangeFromIntervals (_inclusions);
// Get the set of expanded exclusions that overlap the range defined by the
// timeline. If no range is defined, derive it from the set of all data.
auto exclusions = excluded (rules);
// Cobmine all the non-trackable time.
auto nonTrackable = combineHolidaysAndExclusions (overallRange, rules, _exclusions);
std::vector <Interval> combined;
std::vector <Interval> all;
for (auto& interval : _inclusions)
{
std::vector <Range> intervalFragments {interval.range};
for (auto& exclusion : nonTrackable)
// Closed intervals are returned as-is.
if (interval.range.ended ())
{
std::vector <Range> brokenFragments;
for (auto& fragment : intervalFragments)
for (auto& broken : fragment.subtract (exclusion))
brokenFragments.push_back (broken);
intervalFragments = brokenFragments;
all.push_back (interval);
}
for (auto& fragment : intervalFragments)
// Open intervals need to be split according to the exclusions.
else
{
// Clone the interval, set the new range.
Interval clipped {interval};
clipped.range = fragment;
combined.push_back (clipped);
// Start with a single range from the interval, from which to subtract.
std::vector <Range> intervalFragments {interval.range};
for (auto& exclusion : exclusions)
{
std::vector <Range> brokenFragments;
for (auto& fragment : intervalFragments)
for (auto& broken : fragment.subtract (exclusion))
brokenFragments.push_back (broken);
intervalFragments = brokenFragments;
}
// Return all the fragments as intervals.
for (auto& fragment : intervalFragments)
{
// Clone the interval, set the new range.
Interval clipped {interval};
clipped.range = fragment;
all.push_back (clipped);
}
}
}
return combined;;
return all;
}
////////////////////////////////////////////////////////////////////////////////