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// File: XmlMDF_ReferenceDriver.cxx
// Created: 04.09.01 14:47:31
// Author: Julia DOROVSKIKH
// Copyright: Open Cascade 2001
// History: AGV 150202: Changed prototype XmlObjMgt::SetStringValue()
#include <XmlMDF_ReferenceDriver.ixx>
#include <XmlObjMgt.hxx>
#include <TDF_Reference.hxx>
#include <TDF_Tool.hxx>
//=======================================================================
//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);
}
}
}
}
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