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// -----------------------------------------------------------------------
// - -
// - HDoubleList -
// - -
// -----------------------------------------------------------------------
#include <Standard_NoSuchObject.hxx>
#include <Standard_NotImplemented.hxx>
// -----------------------------------------------------------------------
// - -
// - -
// - -
// -----------------------------------------------------------------------
PCollection_HDoubleList::PCollection_HDoubleList ( ){
}
// -----------------------------------------------------------------------
// - -
// - -
// - -
// -----------------------------------------------------------------------
Handle(PCollection_HDoubleList)
PCollection_HDoubleList::Construct(const Item& T)
{
Handle(PCollection_HDoubleList) me , L ;
me = this;
L = new PCollection_HDoubleList;
L->ChangeForwardPointer ( me ); // Pointeur avant de L sur me.
Before = L; // Pointer arriere de me sur L.
L->SetValue ( T ); // Mettre la valeur de l'item.
return L; // C'est L qui est retourne.
}
// -----------------------------------------------------------------------
// - -
// - -
// - -
// -----------------------------------------------------------------------
Handle(Standard_Persistent) PCollection_HDoubleList::ShallowCopy() const
{
Handle(PCollection_HDoubleList) TheList, // Traversal depth of <this>
TheCopy, // The list returned
Pred, // Backward pointer
Succ, // Forward pointer
Last; // Last cell
TheCopy = new PCollection_HDoubleList; // Initialization of the list
// that will be returned
Standard_Boolean FirstTime = Standard_True;
TheList = this; // Start at the beginning
Pred = Succ = TheCopy;
while ( ! TheList->IsEmpty() ) { // Append each item at the
Succ = Succ->Construct(TheList->Value()); // end of the list
if ( FirstTime ){
FirstTime = Standard_False;
TheCopy = Succ;
}
else{
Pred->ChangeForwardPointer(Succ); // Make the link between
Succ->ChangeBackPointer(Pred); // Pred and Succ
}
Pred = Succ;
Succ = Succ->Tail();
TheList = TheList->Tail();
}
return TheCopy; // Returns the header
}
// -----------------------------------------------------------------------
// - -
// - -
// - -
// -----------------------------------------------------------------------
void PCollection_HDoubleList::ShallowDump(Standard_OStream& S) const
{
Handle(PCollection_HDoubleList) TheList;
TheList = this;
S << "begin class HDoubleList " << endl;
while ( ! TheList->IsEmpty() ) {
::ShallowDump(TheList->Value(), S);
TheList = TheList->Tail();
}
S << "end of HDoubleList." << endl;
}
/* Anciens INLINE */
void PCollection_HDoubleList::ChangeForwardPointer
(const Handle(PCollection_HDoubleList)& L)
{
Next = L;
}
void PCollection_HDoubleList::ChangeBackPointer
(const Handle(PCollection_HDoubleList)& L)
{
Before = L;
}
void PCollection_HDoubleList::SetValue(const Item& T)
{
Standard_NoSuchObject_Raise_if (IsEmpty(),
"Empty Element in HDoubleList::SetValue");
Data = T;
}
Item PCollection_HDoubleList::Value() const {
Standard_NoSuchObject_Raise_if(IsEmpty(),
"Empty Element in HDoubleList::Value");
return Data;
}
Handle(PCollection_HDoubleList) PCollection_HDoubleList::Previous() const {
Standard_NoSuchObject_Raise_if((IsEmpty() && Before.IsNull()),
"Empty Element in HDoubleList::Previous");
return Before;
}
Standard_Boolean PCollection_HDoubleList::IsEmpty()const
{
return Next.IsNull();
}
Handle(PCollection_HDoubleList) PCollection_HDoubleList::Tail() const {
Standard_NoSuchObject_Raise_if(IsEmpty(),
"Empty Element in HDoubleList::Previous");
return Next;
}
// -----------------------------------------------------------------------
// - -
// - -
// - -
// -----------------------------------------------------------------------
void PCollection_HDoubleList::SwapTail(Handle(PCollection_HDoubleList)&
WithList)
{
// Exception si liste vide
Standard_NoSuchObject_Raise_if(IsEmpty(),
"Empty Element in HDoubleList::SwapTail") ;
Handle(PCollection_HDoubleList) L = Next;
Handle(PCollection_HDoubleList) me ;
me = this;
WithList->ChangeBackPointer(me);
Next = WithList;
WithList = L;
}
void PCollection_HDoubleList::Destroy()
{
#ifdef CSFDB
Next.Nullify();
#endif
}
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