[occt.git] / src / TObj / TObj_ModelIterator.cxx

// Created on: 2004-11-23
// Created by: Pavel TELKOV
// Copyright (c) 2004-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

// The original implementation Copyright: (C) RINA S.p.A

#include <TObj_ModelIterator.hxx>

#include <TObj_Model.hxx>


IMPLEMENT_STANDARD_RTTIEXT(TObj_ModelIterator,TObj_ObjectIterator)

//=======================================================================
//function : Constructor
//purpose  : 
//=======================================================================

TObj_ModelIterator::TObj_ModelIterator(const Handle(TObj_Model)& theModel)
{
  myObject = theModel->GetRoot();
  if ( ! myObject.IsNull() )
    addIterator(myObject);
}

//=======================================================================
//function : addIterator
//purpose  : 
//=======================================================================

void TObj_ModelIterator::addIterator(const Handle(TObj_Object)& theObj)
{
  Handle(TObj_ObjectIterator) anIter = theObj->GetChildren();
  if (anIter.IsNull() )
    return; // object has no children.
  myIterSeq.Append(anIter);
}

//=======================================================================
//function : More
//purpose  : 
//=======================================================================

Standard_Boolean TObj_ModelIterator::More() const
{
  return ! myObject.IsNull();
}

//=======================================================================
//function : Value
//purpose  : 
//=======================================================================

Handle(TObj_Object) TObj_ModelIterator::Value() const
{
  return myObject;
}

//=======================================================================
//function : Next
//purpose  : 
//=======================================================================

void TObj_ModelIterator::Next()
{
  myObject.Nullify();
  while ( myIterSeq.Length() >0 ) 
  {
    if ( myIterSeq.Last()->More() ) 
    {
      myObject = myIterSeq.Last()->Value();
      myIterSeq.Last()->Next();
      addIterator ( myObject );
      return;
    }
    else myIterSeq.Remove(myIterSeq.Length());
  }
}
Commit	Line	Data
b311480e	1	// Created on: 2004-11-23
b311480e	2	// Created by: Pavel TELKOV
973c2be1	3	// Copyright (c) 2004-2014 OPEN CASCADE SAS
b311480e	4	//
973c2be1	5	// This file is part of Open CASCADE Technology software library.
b311480e	6	//
d5f74e42	7	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	8	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	9	// by the Free Software Foundation, with special exception defined in the file
	10	// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
	11	// distribution for complete text of the license and disclaimer of any warranty.
b311480e	12	//
973c2be1	13	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	14	// commercial license or contractual agreement.
b311480e	15
7fd59977	16	// The original implementation Copyright: (C) RINA S.p.A
	17
	18	#include <TObj_ModelIterator.hxx>
	19
	20	#include <TObj_Model.hxx>
	21
7fd59977	22
92efcf78	23	IMPLEMENT_STANDARD_RTTIEXT(TObj_ModelIterator,TObj_ObjectIterator)
92efcf78	24
7fd59977	25	//=======================================================================
	26	//function : Constructor
	27	//purpose :
	28	//=======================================================================
	29
	30	TObj_ModelIterator::TObj_ModelIterator(const Handle(TObj_Model)& theModel)
	31	{
	32	myObject = theModel->GetRoot();
	33	if ( ! myObject.IsNull() )
	34	addIterator(myObject);
	35	}
	36
	37	//=======================================================================
	38	//function : addIterator
	39	//purpose :
	40	//=======================================================================
	41
	42	void TObj_ModelIterator::addIterator(const Handle(TObj_Object)& theObj)
	43	{
	44	Handle(TObj_ObjectIterator) anIter = theObj->GetChildren();
	45	if (anIter.IsNull() )
	46	return; // object has no children.
	47	myIterSeq.Append(anIter);
	48	}
	49
	50	//=======================================================================
	51	//function : More
	52	//purpose :
	53	//=======================================================================
	54
	55	Standard_Boolean TObj_ModelIterator::More() const
	56	{
	57	return ! myObject.IsNull();
	58	}
	59
	60	//=======================================================================
	61	//function : Value
	62	//purpose :
	63	//=======================================================================
	64
	65	Handle(TObj_Object) TObj_ModelIterator::Value() const
	66	{
	67	return myObject;
	68	}
	69
	70	//=======================================================================
	71	//function : Next
	72	//purpose :
	73	//=======================================================================
	74
	75	void TObj_ModelIterator::Next()
	76	{
	77	myObject.Nullify();
	78	while ( myIterSeq.Length() >0 )
	79	{
	80	if ( myIterSeq.Last()->More() )
	81	{
	82	myObject = myIterSeq.Last()->Value();
	83	myIterSeq.Last()->Next();
	84	addIterator ( myObject );
	85	return;
	86	}
	87	else myIterSeq.Remove(myIterSeq.Length());
	88	}
89	}