// Created on: 1999-06-11
// Created by: Vladislav ROMASHKO
// Copyright (c) 1999-1999 Matra Datavision
// Copyright (c) 1999-2014 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.

#include <TFunction_Driver.hxx>
#include <TFunction_Logbook.hxx>

IMPLEMENT_STANDARD_RTTIEXT(TFunction_Driver, Standard_Transient)

//=================================================================================================

TFunction_Driver::TFunction_Driver() = default;

//=================================================================================================

void TFunction_Driver::Init(const TDF_Label& L)
{
  myLabel = L;
}

//=======================================================================
// function : Validate
// purpose  : Validates labels of a function
//=======================================================================

void TFunction_Driver::Validate(occ::handle<TFunction_Logbook>& log) const
{
  NCollection_List<TDF_Label> res;
  Results(res);

  NCollection_List<TDF_Label>::Iterator itr(res);
  for (; itr.More(); itr.Next())
  {
    log->SetValid(itr.Value(), true);
  }
}

//=======================================================================
// function : MustExecute
// purpose  : Analyzes the labels in the logbook
//=======================================================================

bool TFunction_Driver::MustExecute(const occ::handle<TFunction_Logbook>& log) const
{
  // Check modification of arguments.
  NCollection_List<TDF_Label> args;
  Arguments(args);

  NCollection_List<TDF_Label>::Iterator itr(args);
  for (; itr.More(); itr.Next())
  {
    if (log->IsModified(itr.Value()))
      return true;
  }
  return false;
}

//=======================================================================
// function : Arguments
// purpose  : The method fills-in the list by labels,
//           where the arguments of the function are located.
//=======================================================================

void TFunction_Driver::Arguments(NCollection_List<TDF_Label>&) const {}

//=======================================================================
// function : Results
// purpose  : The method fills-in the list by labels,
//           where the results of the function are located.
//=======================================================================

void TFunction_Driver::Results(NCollection_List<TDF_Label>&) const {}
