OCCT

// Created on: 2001-09-04
// Created by: Julia DOROVSKIKH
// Copyright (c) 2001-2014 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 <Message_Messenger.hxx>
#include <Standard_Type.hxx>
#include <TDF_Tool.hxx>
#include <TFunction_Function.hxx>
#include <XmlMFunction_FunctionDriver.hxx>
#include <XmlObjMgt.hxx>
#include <XmlObjMgt_Persistent.hxx>

IMPLEMENT_STANDARD_RTTIEXT(XmlMFunction_FunctionDriver, XmlMDF_ADriver)
IMPLEMENT_DOMSTRING(GuidString, "guid")
IMPLEMENT_DOMSTRING(FailureString, "failure")

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

XmlMFunction_FunctionDriver::XmlMFunction_FunctionDriver(
  const occ::handle<Message_Messenger>& theMsgDriver)
    : XmlMDF_ADriver(theMsgDriver, nullptr)
{
}

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

occ::handle<TDF_Attribute> XmlMFunction_FunctionDriver::NewEmpty() const
{
  return (new TFunction_Function());
}

//=======================================================================
// function : Paste
// purpose  : persistent -> transient (retrieve)
//=======================================================================
bool XmlMFunction_FunctionDriver::Paste(const XmlObjMgt_Persistent&       theSource,
                                        const occ::handle<TDF_Attribute>& theTarget,
                                        XmlObjMgt_RRelocationTable&) const
{
  occ::handle<TFunction_Function> aF = occ::down_cast<TFunction_Function>(theTarget);

  // function GUID
  XmlObjMgt_DOMString aGuidDomStr = theSource.Element().getAttribute(::GuidString());
  const char*         aGuidStr    = (const char*)aGuidDomStr.GetString();
  if (aGuidStr[0] == '\0')
  {
    myMessageDriver->Send("error retrieving GUID for type TFunction_Function", Message_Fail);
    return false;
  }
  aF->SetDriverGUID(aGuidStr);

  // failure
  int                 aValue;
  XmlObjMgt_DOMString aFStr = theSource.Element().getAttribute(::FailureString());
  if (!aFStr.GetInteger(aValue))
  {
    TCollection_ExtendedString aMessageString =
      TCollection_ExtendedString(
        "Cannot retrieve failure number for TFunction_Function attribute from \"")
      + aFStr + "\"";
    myMessageDriver->Send(aMessageString, Message_Fail);
    return false;
  }
  aF->SetFailure(aValue);

  return true;
}

//=======================================================================
// function : Paste
// purpose  : transient -> persistent (store)
//=======================================================================
void XmlMFunction_FunctionDriver::Paste(const occ::handle<TDF_Attribute>& theSource,
                                        XmlObjMgt_Persistent&             theTarget,
                                        XmlObjMgt_SRelocationTable&) const
{
  occ::handle<TFunction_Function> aF = occ::down_cast<TFunction_Function>(theSource);
  if (!aF.IsNull())
  {
    // convert GUID into attribute value
    char                aGuidStr[40];
    Standard_PCharacter pGuidStr;
    //
    pGuidStr = aGuidStr;
    aF->GetDriverGUID().ToCString(pGuidStr);
    theTarget.Element().setAttribute(::GuidString(), aGuidStr);

    // integer value of failure
    theTarget.Element().setAttribute(::FailureString(), aF->GetFailure());
  }
}