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#include <Standard_OutOfRange.hxx>
#include <Standard_NoSuchObject.hxx>
#include <Standard_NoMoreObject.hxx>
// ----------------------------------------------------------------------
// Copyright: Matra-Datavision 1992
// File: PCollection_MapIterator.gxx
// Created: Oct, 9 1992
// Author: Mireille MERCIEN
// ----------------------------------------------------------------------
//----------------------------------------------------------------
// Create
//----------------------------------------------------------------
PCollection_MapIterator::PCollection_MapIterator
(const Handle(PCollection_HDataMap)& AMap)
{
if (AMap->IsEmpty()) {
Index = 0;
Node.Nullify();
Buckets.Nullify();
HasMore = False;
}
else {
// stop at the first element of the first "no empty" bucket entry
HasMore = True;
Buckets = AMap->GetArray();
NbBuck = AMap->NbBuckets();
Boolean Found = False;
Index = 1 ;
while ( Index <= NbBuck && !Found ) {
Node = Buckets->Value(Index);
if (Node.IsNull())
Index++;
else
Found = True;
}
if (!Found) HasMore = False;
}
}
//----------------------------------------------------------------
// More
//----------------------------------------------------------------
Standard_Boolean PCollection_MapIterator::More() const
{
return HasMore;
}
//----------------------------------------------------------------
// Value
//----------------------------------------------------------------
Item PCollection_MapIterator::Value() const
{
if (Node.IsNull()) Standard_NoSuchObject::Raise();
return (Node->Value());
}
//----------------------------------------------------------------
// GetKey
//----------------------------------------------------------------
Key PCollection_MapIterator::GetKey() const
{
if (Node.IsNull()) Standard_NoSuchObject::Raise();
return (Node->GetKey());
}
//----------------------------------------------------------------
// Next
//----------------------------------------------------------------
void PCollection_MapIterator::Next()
{
if (!HasMore) Standard_NoMoreObject::Raise();
Node = Node->Next();
if (Node.IsNull()) {
Boolean Found = False;
Index++;
while ( Index <= NbBuck && !Found ) {
Node = Buckets->Value(Index);
if (Node.IsNull())
Index++;
else
Found = True;
}
if (!Found) HasMore = False;
}
}
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