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data: Fixed bug in flatten which yielded multiple intervals

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This commit is contained in:
Paul Beckingham 2016-05-10 20:00:33 -04:00
parent 0d0bb19b35
commit 5952652e67
1 changed files with 11 additions and 28 deletions
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31
src/data.cpp
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@ -410,37 +410,20 @@ std::vector <Interval> flatten (
{
std::vector <Interval> all;
// Start with a single range from the interval, from which to subtract.
std::vector <Range> pieces {interval.range};
for (auto& exclusion : exclusions)
if (! interval.range.ended ())
{
std::vector <Range> split_pieces;
for (auto& piece : pieces)
{
// If the exclusion is entirely within the piece, then collapse.
if (exclusion.start > piece.start &&
(exclusion.end < piece.end ||
piece.end.toEpoch () == 0))
{
for (auto& smaller_piece : piece.subtract (exclusion))
split_pieces.push_back (smaller_piece);
all.push_back (interval);
}
// If the exclusion merely overlap the piece, do nothing. This is because
// tracked time start and end is not clipped, but recorded faithfully.
else
{
split_pieces.push_back (piece);
for (auto& result : subtractRanges (interval.range, {interval.range}, exclusions))
{
Interval chunk {interval};
chunk.range = result;
all.push_back (chunk);
}
}
pieces = split_pieces;
}
// Return all the fragments as clipped intervals.
for (auto& piece : pieces)
all.push_back (clip (interval, piece));
/*
std::cout << "# results:\n";
for (auto& i : all)