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occt/src/XmlMDF/XmlMDF_ReferenceDriver.cxx
abv 92efcf78a6 0026936: Drawbacks of inlining in new type system in OCCT 7.0 -- automatic
Automatic restore of IMPLEMENT_STANDARD_RTTIEXT macro (upgrade -rtti)
2015-12-04 14:15:06 +03:00

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4.3 KiB
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// 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.
//AGV 150202: Changed prototype XmlObjMgt::SetStringValue()
#include <CDM_MessageDriver.hxx>
#include <Standard_Type.hxx>
#include <TDF_Attribute.hxx>
#include <TDF_Reference.hxx>
#include <TDF_Tool.hxx>
#include <XmlMDF_ReferenceDriver.hxx>
#include <XmlObjMgt.hxx>
#include <XmlObjMgt_Persistent.hxx>
IMPLEMENT_STANDARD_RTTIEXT(XmlMDF_ReferenceDriver,XmlMDF_ADriver)
//=======================================================================
//function : XmlMDF_ReferenceDriver
//purpose : Constructor
//=======================================================================
XmlMDF_ReferenceDriver::XmlMDF_ReferenceDriver
(const Handle(CDM_MessageDriver)& theMsgDriver)
: XmlMDF_ADriver (theMsgDriver, NULL)
{}
//=======================================================================
//function : NewEmpty
//purpose :
//=======================================================================
Handle(TDF_Attribute) XmlMDF_ReferenceDriver::NewEmpty() const
{
return (new TDF_Reference());
}
//=======================================================================
//function : Paste
//purpose : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean XmlMDF_ReferenceDriver::Paste
(const XmlObjMgt_Persistent& theSource,
const Handle(TDF_Attribute)& theTarget,
XmlObjMgt_RRelocationTable& ) const
{
XmlObjMgt_DOMString anXPath = XmlObjMgt::GetStringValue(theSource);
if (anXPath == NULL)
{
WriteMessage ("Cannot retrieve reference string from element");
return Standard_False;
}
TCollection_AsciiString anEntry;
if (XmlObjMgt::GetTagEntryString (anXPath, anEntry) == Standard_False)
{
TCollection_ExtendedString aMessage =
TCollection_ExtendedString ("Cannot retrieve reference from \"")
+ anXPath + '\"';
WriteMessage (aMessage);
return Standard_False;
}
Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theTarget);
// find label by entry
TDF_Label tLab; // Null label.
if (anEntry.Length() > 0)
{
TDF_Tool::Label(aRef->Label().Data(), anEntry, tLab, Standard_True);
}
// set referenced label
aRef->Set(tLab);
return Standard_True;
}
//=======================================================================
//function : Paste
//purpose : transient -> persistent (store)
// <label tag='1'> <This is label entry 0:4:1>
// ...
// <label tag='8'> <This is label entry 0:4:1:8>
//
// <TDF_Reference id="621"> /document/label/label[@tag="4"]/label[@tag="1"]
// </TDF_Reference> <This is reference to label 0:4:1>
//=======================================================================
void XmlMDF_ReferenceDriver::Paste (const Handle(TDF_Attribute)& theSource,
XmlObjMgt_Persistent& theTarget,
XmlObjMgt_SRelocationTable& ) const
{
Handle(TDF_Reference) aRef = Handle(TDF_Reference)::DownCast(theSource);
if (!aRef.IsNull())
{
const TDF_Label& lab = aRef->Label();
const TDF_Label& refLab = aRef->Get();
if (!lab.IsNull() && !refLab.IsNull())
{
if (lab.IsDescendant(refLab.Root()))
{
// Internal reference
TCollection_AsciiString anEntry;
TDF_Tool::Entry(refLab, anEntry);
XmlObjMgt_DOMString aDOMString;
XmlObjMgt::SetTagEntryString (aDOMString, anEntry);
// No occurrence of '&', '<' and other irregular XML characters
XmlObjMgt::SetStringValue (theTarget, aDOMString, Standard_True);
}
}
}
}