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0028103: Foundation Classes - extend NCollection_Map to check whether two given maps are intersected

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Mehtod HasIntersection added in NCollection_Map to check whether two given maps contain at least one same item.
'Draw' command and test to check the method were created.
This commit is contained in:
abk
2016-11-14 18:08:44 +03:00
committed by apn
parent f411f94fac
commit d673da182b
6 changed files with 91 additions and 39 deletions
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22
src/NCollection/NCollection_Map.hxx
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@@ -383,6 +383,28 @@ class NCollection_Map : public NCollection_BaseMap
return anOldExtent != Extent();
}
//! Returns true if this and theMap have common elements.
Standard_Boolean HasIntersection (const NCollection_Map& theMap) const
{
const NCollection_Map* aMap1 = this;
const NCollection_Map* aMap2 = &theMap;
if (theMap.Size() < Size())
{
aMap1 = &theMap;
aMap2 = this;
}
for (NCollection_Map::Iterator aIt(*aMap1); aIt.More(); aIt.Next())
{
if (aMap2->Contains(aIt.Value()))
{
return Standard_True;
}
}
return Standard_False;
}
//! Sets this Map to be the result of intersection (aka multiplication, common, boolean AND) operation between two given Maps.
//! The new Map contains only the values that are contained in both map operands.
//! All previous content of this Map is cleared.