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// Lastly modified by :
// +---------------------------------------------------------------------------+
// ! szy ! Modified Assign method ! 7-05-2003! 3.0-00-2!
// +---------------------------------------------------------------------------+
// File: TCollection_Map.gxx
// Created: Thu Jan 7 18:14:26 1993
// Author: Remi LEQUETTE
// <rle@phylox>
#include <Standard_DomainError.hxx>
#include <Standard_NoSuchObject.hxx>
//=======================================================================
//function : TCollection_Map
//purpose :
//=======================================================================
TCollection_Map::TCollection_Map(const Standard_Integer NbBuckets) :
TCollection_BasicMap(NbBuckets,Standard_True)
{
}
//=======================================================================
//function : TCollection_Map
//purpose :
//=======================================================================
TCollection_Map::TCollection_Map(const TCollection_Map& Other) :
TCollection_BasicMap(Other.NbBuckets(),Standard_True)
{
if (Other.Extent() != 0)
Standard_DomainError::Raise("TCollection:Copy of Map");
}
//=======================================================================
//function : Assign
//purpose :
//=======================================================================
TCollection_Map& TCollection_Map::Assign(const TCollection_Map& Other)
{
if (this == &Other) return *this;
Clear();
// ReSize(Other.NbBuckets());
if (!Other.IsEmpty()) {
ReSize(Other.Extent());
for (TCollection_MapIterator It(Other); It.More(); It.Next()) {
Add(It.Key());
}
}
return *this;
}
//=======================================================================
//function : ReSize
//purpose :
//=======================================================================
void TCollection_Map::ReSize(const Standard_Integer N)
{
Standard_Integer newBuck;
Standard_Address newData1=NULL, dummy=NULL;
if (BeginResize(N,newBuck,newData1,dummy)) {
if (myData1) {
TCollection_StdMapNode** newdata = (TCollection_StdMapNode**)newData1;
TCollection_StdMapNode** olddata = (TCollection_StdMapNode**) myData1;
TCollection_StdMapNode *p, *q;
Standard_Integer i,k;
for (i = 0; i <= NbBuckets(); i++) {
if (olddata[i]) {
p = olddata[i];
while (p) {
k = Hasher::HashCode(p->Key(),newBuck);
q = (TCollection_StdMapNode*) p->Next();
p->Next() = newdata[k];
newdata[k] = p;
p = q;
}
}
}
}
EndResize(N,newBuck,newData1,dummy);
}
}
//=======================================================================
//function : Clear
//purpose :
//=======================================================================
void TCollection_Map::Clear()
{
if (!IsEmpty()) {
Standard_Integer i;
TCollection_StdMapNode** data = (TCollection_StdMapNode**) myData1;
TCollection_StdMapNode *p,*q;
for (i = 0; i <= NbBuckets(); i++) {
if (data[i]) {
p = data[i];
while (p) {
q = (TCollection_StdMapNode*)p->Next();
delete p;
p = q;
}
}
}
}
TCollection_BasicMap::Destroy();
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
Standard_Boolean TCollection_Map::Add(const TheKey& K)
{
if (Resizable()) ReSize(Extent());
TCollection_StdMapNode** data = (TCollection_StdMapNode**)myData1;
Standard_Integer k = Hasher::HashCode(K,NbBuckets());
TCollection_StdMapNode* p = data[k];
while (p) {
if (Hasher::IsEqual(p->Key(),K)) return Standard_False;
p = (TCollection_StdMapNode*)p->Next();
}
data[k] = new TCollection_StdMapNode(K,data[k]);
Increment();
return Standard_True;
}
//=======================================================================
//function : Contains
//purpose :
//=======================================================================
Standard_Boolean TCollection_Map::Contains(const TheKey& K) const
{
if (IsEmpty()) return Standard_False;
TCollection_StdMapNode** data = (TCollection_StdMapNode**) myData1;
TCollection_StdMapNode* p = data[Hasher::HashCode(K,NbBuckets())];
while (p) {
if (Hasher::IsEqual(p->Key(),K)) {
return Standard_True;
}
p = (TCollection_StdMapNode*)p->Next();
}
return Standard_False;
}
//=======================================================================
//function : Remove
//purpose :
//=======================================================================
Standard_Boolean TCollection_Map::Remove(const TheKey& K)
{
if (IsEmpty()) return Standard_False;
TCollection_StdMapNode** data = (TCollection_StdMapNode**) myData1;
Standard_Integer k = Hasher::HashCode(K,NbBuckets());
TCollection_StdMapNode* p = data[k];
TCollection_StdMapNode* q = NULL;
while (p) {
if (Hasher::IsEqual(p->Key(),K)) {
Decrement();
if (q) q->Next() = p->Next();
else data[k] = (TCollection_StdMapNode*) p->Next();
delete p;
return Standard_True;
}
q = p;
p = (TCollection_StdMapNode*) p->Next();
}
return Standard_False;
}
// method of the iterator
//=======================================================================
//function : Key
//purpose :
//=======================================================================
const TheKey& TCollection_MapIterator::Key() const
{
Standard_NoSuchObject_Raise_if(!More(),"TCollection_MapIterator::Key");
return ((TCollection_StdMapNode*) myNode)->Key();
}
// @@SDM: begin
// Copyright Open CasCade......................................Version 5.0-00
// Lastly modified by : szy Date : 7-05-2003
// File history synopsis (creation,modification,correction)
// +---------------------------------------------------------------------------+
// ! Developer ! Comments ! Date ! Version !
// +-----------!-----------------------------------------!----------!----------+
// ! rle ! Creation ! 7-01-1993! 5.0-00-2!
// ! szy ! Modified Assign method ! 7-05-2003! 5.0-00-2!
// +---------------------------------------------------------------------------+
// @@SDM: end
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