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#include "search/cbv_ptr.hpp"
namespace search
{
CBVPtr::CBVPtr(coding::CompressedBitVector const * p, bool isOwner) { Set(p, isOwner); }
void CBVPtr::Release()
{
if (m_isOwner)
delete m_ptr;
m_ptr = nullptr;
m_isOwner = false;
m_isFull = false;
}
void CBVPtr::Set(coding::CompressedBitVector const * p, bool isOwner /* = false*/)
{
Release();
m_ptr = p;
m_isOwner = p && isOwner;
}
void CBVPtr::Set(unique_ptr<coding::CompressedBitVector> p)
{
Set(p.release(), true /* isOwner */);
}
void CBVPtr::Union(coding::CompressedBitVector const * p)
{
if (!p || m_isFull)
return;
if (!m_ptr)
{
m_ptr = p;
m_isFull = false;
}
else
{
Set(coding::CompressedBitVector::Union(*m_ptr, *p).release(), true);
}
}
void CBVPtr::Intersect(coding::CompressedBitVector const * p)
{
if (!p)
{
Release();
return;
}
if (m_ptr)
{
Set(coding::CompressedBitVector::Intersect(*m_ptr, *p).release(), true);
}
else if (m_isFull)
{
m_ptr = p;
m_isFull = false;
}
}
bool CBVPtr::IsEmpty() const { return !m_isFull && coding::CompressedBitVector::IsEmpty(m_ptr); }
} // namespace search
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