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// File: XmlMDocStd_XLinkDriver.cxx
// Created: 04.09.01 14:47:31
// Author: Julia DOROVSKIKH
// Copyright: Open Cascade 2001
// History:
#include <XmlMDocStd_XLinkDriver.ixx>
#include <XmlObjMgt.hxx>
#include <TDocStd_XLink.hxx>
#include <TDF_Tool.hxx>
#include <TDF_Label.hxx>
IMPLEMENT_DOMSTRING (DocEntryString, "documentEntry")
//=======================================================================
//function : XmlMDocStd_XLinkDriver
//purpose : Constructor
//=======================================================================
XmlMDocStd_XLinkDriver::XmlMDocStd_XLinkDriver
(const Handle(CDM_MessageDriver)& theMsgDriver)
: XmlMDF_ADriver (theMsgDriver, NULL)
{}
//=======================================================================
//function : NewEmpty
//purpose :
//=======================================================================
Handle(TDF_Attribute) XmlMDocStd_XLinkDriver::NewEmpty() const
{
return (new TDocStd_XLink());
}
//=======================================================================
//function : Paste
//purpose : persistent -> transient (retrieve)
//=======================================================================
Standard_Boolean XmlMDocStd_XLinkDriver::Paste
(const XmlObjMgt_Persistent& theSource,
const Handle(TDF_Attribute)& theTarget,
XmlObjMgt_RRelocationTable& ) const
{
XmlObjMgt_DOMString anXPath = XmlObjMgt::GetStringValue (theSource);
if (anXPath == NULL)
{
WriteMessage ("XLink: 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 XLink reference from \"")
+ anXPath + '\"';
WriteMessage (aMessage);
return Standard_False;
}
Handle(TDocStd_XLink) aRef = Handle(TDocStd_XLink)::DownCast(theTarget);
// set referenced label
aRef->LabelEntry(anEntry);
// document entry
aRef->DocumentEntry(theSource.Element().getAttribute(::DocEntryString()));
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>
//
// <TDocStd_XLink id="621"> /document/label/label[@tag="4"]/label[@tag="1"]
// </TDocStd_XLink> <This is reference to label 0:4:1>
//=======================================================================
void XmlMDocStd_XLinkDriver::Paste (const Handle(TDF_Attribute)& theSource,
XmlObjMgt_Persistent& theTarget,
XmlObjMgt_SRelocationTable& ) const
{
Handle(TDocStd_XLink) aRef = Handle(TDocStd_XLink)::DownCast(theSource);
if (!aRef.IsNull())
{
// reference
TCollection_AsciiString anEntry = aRef->LabelEntry();
XmlObjMgt_DOMString aDOMString;
XmlObjMgt::SetTagEntryString (aDOMString, anEntry);
XmlObjMgt::SetStringValue (theTarget, aDOMString);
// document entry
theTarget.Element().setAttribute(::DocEntryString(),
aRef->DocumentEntry().ToCString());
}
}
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