Integration of OCCT 6.5.0 from SVN

src/XmlMDF/XmlMDF_ReferenceDriver.cxx

@@ -0,0 +1,107 @@
+// 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);
+      }
+    }
+  }
+}