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/* This file is part of the FaCT++ DL reasoner
Copyright (C) 2003-2015 Dmitry Tsarkov and The University of Manchester
Copyright (C) 2015-2016 Dmitry Tsarkov
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "CWDArray.h"
#include "tRestorer.h"
/// restore dep-set of the duplicated label element of the merged node
class UnMerge: public TRestorer
{
protected:
CWDArray& label;
int offset;
DepSet dep;
public:
UnMerge ( CWDArray& lab, CWDArray::iterator p )
: label(lab)
, offset(int(p-lab.begin()))
, dep(p->getDep())
{}
virtual ~UnMerge ( void ) {}
void restore ( void )
{
CWDArray::iterator p = label.Base.begin() + offset;
*p = ConceptWDep(p->bp(),dep);
}
}; // UnMerge
TRestorer*
CWDArray :: updateDepSet ( BipolarPointer bp, const DepSet& dep )
{
if ( dep.empty() )
return NULL;
for ( iterator i = Base.begin(), i_end = Base.end(); i < i_end; ++i )
if ( i->bp() == bp )
{
TRestorer* ret = new UnMerge ( *this, i );
// DepSet odep(i->getDep());
i->addDep(dep);
/* if ( odep == i->getDep() )
{
delete ret;
ret = NULL;
}*/
return ret;
}
return NULL;
}
/// restore label to given LEVEL using given SS
void
CWDArray :: restore ( const SaveState& ss, unsigned int level ATTR_UNUSED )
{
if ( RKG_USE_DYNAMIC_BACKJUMPING )
{
for ( size_t j = ss.ep; j < Base.size(); ++j )
if ( Base[j].getDep().contains(level) )
{
// replace concept that depend on a given BC with TOP
Base[j] = ConceptWDep(1,DepSet());
}
}
else
Base.resize(ss.ep);
}
/// print label part between given iterators
void
CWDArray :: print ( std::ostream& o ) const
{
o << " [";
const_iterator p = begin(), p_end = end();
if ( p != p_end )
{
o << *p;
while ( ++p < p_end )
o << ", " << *p;
}
o << "]";
}
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