Add interval filter IntervalFilterAllInRange

An all-in-range interval filter accepts all intervals which intersect with the given range.
This filter is done if it encounters an interval with an end datetime before its range's start datetime.

Relates to #468

Signed-off-by: Thomas Lauf <thomas.lauf@tngtech.com>

src/CMakeLists.txt

@@ -17,6 +17,7 @@ set (timew_SRCS AtomicFile.cpp AtomicFile.h
                 Interval.cpp   Interval.h
                 IntervalFactory.cpp IntervalFactory.h
                 IntervalFilter.cpp IntervalFilter.h
+                IntervalFilterAllInRange.cpp IntervalFilterAllInRange.h
                 IntervalFilterAllWithTags.cpp IntervalFilterAllWithTags.h
                 Journal.cpp    Journal.h
                 Range.cpp      Range.h

src/IntervalFilterAllInRange.cpp

@@ -0,0 +1,50 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2021, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <IntervalFilterAllInRange.h>
+
+IntervalFilterAllInRange::IntervalFilterAllInRange (const Range& range): _range (range)
+{}
+
+bool IntervalFilterAllInRange::accepts (const Interval& interval)
+{
+  if (is_done())
+  {
+    return false;
+  }
+
+  if ((!_range.is_started() && !_range.is_ended()) || interval.intersects (_range))
+  {
+    return true;
+  }
+
+  // Since we are moving backwards in time, and the intervals are in sorted order,
+  // if the filter is after the interval and does not intersect,
+  // we know there will be no more matches
+  set_done (interval.start < _range.start);
+
+  return false;
+}

src/IntervalFilterAllInRange.h

@@ -0,0 +1,44 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2021, Thomas Lauf, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// https://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDED_INTERVALFILTEALLINRRANGE
+#define INCLUDED_INTERVALFILTEALLINRRANGE
+
+#include <IntervalFilter.h>
+#include <Range.h>
+
+class IntervalFilterAllInRange : public IntervalFilter
+{
+public:
+  explicit IntervalFilterAllInRange (const Range&);
+
+  bool accepts (const Interval&) final;
+
+private:
+  const Range& _range;
+};
+
+#endif //INCLUDED_INTERVALFILTERRANGE