0031687: Draw Harness, ViewerTest - extend command vrenderparams with option updating...

[occt.git] / src / XmlMDataStd / XmlMDataStd_RealDriver.cxx

// Created on: 2001-08-24
// Created by: Alexnder GRIGORIEV
// 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.

//AGV 150202: Changed prototype XmlObjMgt::SetStringValue()

#include <Message_Messenger.hxx>
#include <Standard_Type.hxx>
#include <TDataStd_Real.hxx>
#include <TDF_Attribute.hxx>
#include <XmlMDataStd_RealDriver.hxx>
#include <XmlObjMgt.hxx>
#include <XmlObjMgt_Persistent.hxx>

#include <stdio.h>
IMPLEMENT_STANDARD_RTTIEXT(XmlMDataStd_RealDriver,XmlMDF_ADriver)
IMPLEMENT_DOMSTRING (AttributeIDString, "realattguid")
//=======================================================================
//function : XmlMDataStd_RealDriver
//purpose  : Constructor
//=======================================================================
XmlMDataStd_RealDriver::XmlMDataStd_RealDriver
                        (const Handle(Message_Messenger)& theMsgDriver)
      : XmlMDF_ADriver (theMsgDriver, NULL)
{}

//=======================================================================
//function : NewEmpty
//purpose  : 
//=======================================================================
Handle(TDF_Attribute) XmlMDataStd_RealDriver::NewEmpty() const
{
  return (new TDataStd_Real());
}

//=======================================================================
//function : Paste
//purpose  : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean XmlMDataStd_RealDriver::Paste
                                        (const XmlObjMgt_Persistent&  theSource,
                                         const Handle(TDF_Attribute)& theTarget,
                                         XmlObjMgt_RRelocationTable&  ) const
{
  // attribute id
  Standard_GUID aGUID;
  const XmlObjMgt_Element& anElement = theSource;
  XmlObjMgt_DOMString aGUIDStr = anElement.getAttribute(::AttributeIDString());
  if (aGUIDStr.Type() == XmlObjMgt_DOMString::LDOM_NULL)
    aGUID = TDataStd_Real::GetID(); //default case
  else
    aGUID = Standard_GUID(Standard_CString(aGUIDStr.GetString())); // user defined case

  Handle(TDataStd_Real)::DownCast(theTarget)->SetID(aGUID);

  Standard_Real aValue(0.);
  const XmlObjMgt_DOMString& aRealStr= XmlObjMgt::GetStringValue (theSource);
  Standard_CString aValueStr = Standard_CString (aRealStr.GetString());
  if(XmlObjMgt::GetReal(aRealStr, aValue) == Standard_False) {
    TCollection_ExtendedString aMessageString =
      TCollection_ExtendedString("Cannot retrieve Real attribute from \"")
      + aValueStr + "\"";
    myMessageDriver->Send (aMessageString, Message_Warning);
  }
  Handle(TDataStd_Real) anAtt = Handle(TDataStd_Real)::DownCast(theTarget);
  anAtt->Set(aValue);

  return Standard_True;
}

//=======================================================================
//function : Paste
//purpose  : transient -> persistent (store)
//=======================================================================
void XmlMDataStd_RealDriver::Paste (const Handle(TDF_Attribute)& theSource,
                                    XmlObjMgt_Persistent&        theTarget,
                                    XmlObjMgt_SRelocationTable&  ) const
{
  Handle(TDataStd_Real) anAtt = Handle(TDataStd_Real)::DownCast(theSource);
  char aValueChar[32];
  Sprintf(aValueChar, "%.17g", anAtt->Get());
  TCollection_AsciiString aValueStr(aValueChar);
  // No occurrence of '&', '<' and other irregular XML characters
  XmlObjMgt::SetStringValue (theTarget, aValueStr.ToCString(), Standard_True);
  if(anAtt->ID() != TDataStd_Real::GetID()) {
    //convert GUID
    Standard_Character aGuidStr [Standard_GUID_SIZE_ALLOC];
    Standard_PCharacter pGuidStr = aGuidStr;
    anAtt->ID().ToCString (pGuidStr);
    theTarget.Element().setAttribute (::AttributeIDString(), aGuidStr);
  }
}