std::vector<unsigned int> RemovedLevelFitnessFunction::removedCountRec(const htd::ITreeDecomposition & decomposition, htd::vertex_t node, double& totalCosts) const {
std::vector<unsigned int> removedCount(app.getInputInstance()->quantifierCount(), 0);
// child removals
for (htd::vertex_t childNode : decomposition.children(node)) {
std::vector<unsigned int> childRemovedCount = removedCountRec(decomposition, childNode, totalCosts);
for (unsigned int index = 0; index < childRemovedCount.size(); index++) {
removedCount.at(index) += childRemovedCount.at(index);
}
}
// costs
double removedWithLowerLevel = 0.0;
for (htd::vertex_t variable : decomposition.forgottenVertices(node)) {
unsigned int variableLevel = htd::accessLabel<int>(app.getInputInstance()->hypergraph->vertexLabel("level", app.getInputInstance()->hypergraph->vertexName(variable)));
for (unsigned int index = 0; index < variableLevel; index++) {
removedWithLowerLevel += removedCount.at(index);
}
}
totalCosts += removedWithLowerLevel;
// current removals
for (htd::vertex_t variable : decomposition.forgottenVertices(node)) {
unsigned int variableLevel = htd::accessLabel<int>(app.getInputInstance()->hypergraph->vertexLabel("level", app.getInputInstance()->hypergraph->vertexName(variable)));
removedCount.at(variableLevel - 1) += 1;
}
return removedCount;
}
// ---------------------------------------------------------------------------
// CSdpMediaField::RemoveFormatL
// ---------------------------------------------------------------------------
//
EXPORT_C void CSdpMediaField::RemoveFormatL(const TDesC8& aFormat)
{
if ( !iFormatList || iFormatList->Des().Length() == 0 )
{
User::Leave( KErrSdpCodecMediaField );
}
TLex8 lexer( *iFormatList );
TBool tokenRemoved( EFalse );
while ( !tokenRemoved && !lexer.Eos() )
{
lexer.SkipSpaceAndMark();
lexer.SkipCharacters();
if ( lexer.TokenLength() > 0 )
{
if ( aFormat.CompareF(lexer.MarkedToken()) == 0)
{
RArray<TInt> removedObjs;
CleanupClosePushL( removedObjs );
for ( TInt i( 0 ); i < iFmtAttrFields->Count(); i++ )
{
if (aFormat.CompareF((*iFmtAttrFields)[i]->Format()) == 0)
{
User::LeaveIfError( removedObjs.Append(i) );
}
}
// Remove all format attributes of type format
TInt removedCount( 0 );
while ( removedObjs.Count() > 0 )
{
CSdpFmtAttributeField* obj =
(*iFmtAttrFields)[removedObjs[0] - removedCount];
delete obj;
obj = 0;
iFmtAttrFields->Remove( removedObjs[0] - removedCount);
removedObjs.Remove(0);
removedCount++;
}
CleanupStack::PopAndDestroy(); // removedObjs
// Remove format from format list
iFormatList->Des().Delete( lexer.MarkedOffset(),
lexer.Offset() - lexer.MarkedOffset());
iFormatList->Des().TrimAll();
tokenRemoved = ETrue;
}
}
}
}
// ---------------------------------------------------------------------------
// CSdpMediaField::KeepFormatL
// ---------------------------------------------------------------------------
//
EXPORT_C void CSdpMediaField::KeepFormatL(const TDesC8& aFormat)
{
if ( !iFormatList )
{
User::Leave( KErrSdpCodecMediaField );
}
// Empty set will continue to be empty
if ( iFormatList->Des().Length() > 0 )
{
HBufC8* formatList = aFormat.AllocLC();
// Mark all format attributes not aFormat so that they will be deleted
RArray<TInt> removedObjs;
CleanupClosePushL( removedObjs );
for ( TInt i( 0 ); i < iFmtAttrFields->Count(); i++ )
{
if (aFormat.CompareF((*iFmtAttrFields)[i]->Format()) != 0)
{
User::LeaveIfError( removedObjs.Append( i ) );
}
}
// Delete attribute fields
TInt removedCount( 0 );
while ( removedObjs.Count() > 0 )
{
CSdpFmtAttributeField* obj =
(*iFmtAttrFields)[removedObjs[0] - removedCount];
delete obj;
iFmtAttrFields->Remove( removedObjs[0] - removedCount );
removedObjs.Remove( 0 );
removedCount++;
}
CleanupStack::PopAndDestroy(); // removedObjs
// Change format list
delete iFormatList;
iFormatList = formatList;
CleanupStack::Pop(); // formatList
}
}
