Integration of OCCT 6.5.0 from SVN

src/XmlMDataStd/XmlMDataStd_RelationDriver.cxx

@@ -0,0 +1,140 @@
+// File:        XmlMDataStd_RelationDriver.cxx
+// Created:     Wed Sep 12 14:07:32 2001
+// Author:      Julia DOROVSKIKH
+// Copyright:   Open Cascade 2001
+// History:
+
+#include <XmlMDataStd_RelationDriver.ixx>
+#include <TDataStd_Relation.hxx>
+#include <TDataStd_Variable.hxx>
+
+#include <TDF_ListIteratorOfAttributeList.hxx>
+
+#include <XmlObjMgt.hxx>
+
+IMPLEMENT_DOMSTRING (VariablesString, "variables")
+
+//=======================================================================
+//function : XmlMDataStd_RelationDriver
+//purpose  : Constructor
+//=======================================================================
+XmlMDataStd_RelationDriver::XmlMDataStd_RelationDriver
+                        (const Handle(CDM_MessageDriver)& theMsgDriver)
+      : XmlMDF_ADriver (theMsgDriver, NULL)
+{}
+
+//=======================================================================
+//function : NewEmpty
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMDataStd_RelationDriver::NewEmpty() const
+{
+  return (new TDataStd_Relation());
+}
+
+//=======================================================================
+//function : Paste
+//purpose  : persistent -> transient (retrieve)
+//=======================================================================
+Standard_Boolean XmlMDataStd_RelationDriver::Paste
+                        (const XmlObjMgt_Persistent&  theSource,
+                         const Handle(TDF_Attribute)& theTarget,
+                         XmlObjMgt_RRelocationTable&  theRelocTable) const
+{
+  Handle(TDataStd_Relation) aC = 
+    Handle(TDataStd_Relation)::DownCast(theTarget);
+  const XmlObjMgt_Element& anElem = theSource;
+
+  Standard_Integer aNb;
+  TCollection_ExtendedString aMsgString;
+
+  // expression
+  TCollection_ExtendedString aString;
+  if (!XmlObjMgt::GetExtendedString (theSource, aString))
+  {
+    WriteMessage("error retrieving ExtendedString for type TDataStd_Relation");
+    return Standard_False;
+  }
+  aC->SetRelation(aString);
+
+  // variables
+  XmlObjMgt_DOMString aDOMStr = anElem.getAttribute(::VariablesString());
+  if (aDOMStr != NULL)
+  {
+    Standard_CString aVs = Standard_CString(aDOMStr.GetString());
+
+    // first variable
+    if (!XmlObjMgt::GetInteger(aVs, aNb))
+    {
+      aMsgString = TCollection_ExtendedString
+        ("XmlMDataStd_RelationDriver: Cannot retrieve reference on first variable from \"")
+          + aDOMStr + "\"";
+      WriteMessage (aMsgString);
+      return Standard_False;
+    }
+    Standard_Integer i = 1;
+    while (aNb > 0)
+    {
+      Handle(TDF_Attribute) aV;
+      if (theRelocTable.IsBound(aNb))
+        aV = Handle(TDataStd_Variable)::DownCast(theRelocTable.Find(aNb));
+      else
+      {
+        aV = new TDataStd_Variable;
+        theRelocTable.Bind(aNb, aV);
+      }
+      aC->GetVariables().Append(aV);
+
+      // next variable
+      if (!XmlObjMgt::GetInteger(aVs, aNb)) aNb = 0;
+      i++;
+    }
+  }
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function : Paste
+//purpose  : transient -> persistent (store)
+//=======================================================================
+void XmlMDataStd_RelationDriver::Paste
+                        (const Handle(TDF_Attribute)& theSource,
+                         XmlObjMgt_Persistent&        theTarget,
+                         XmlObjMgt_SRelocationTable&  theRelocTable) const
+{
+  Handle(TDataStd_Relation) aC =
+    Handle(TDataStd_Relation)::DownCast(theSource);
+  XmlObjMgt_Element& anElem = theTarget;
+
+  Standard_Integer aNb;
+  Handle(TDF_Attribute) TV;   
+
+  // expression
+  XmlObjMgt::SetExtendedString (theTarget, aC->Name());
+
+  // variables
+  Standard_Integer nbvar = aC->GetVariables().Extent();
+  if (nbvar >= 1)
+  {
+    TCollection_AsciiString aGsStr;
+    TDF_ListIteratorOfAttributeList it;
+    Standard_Integer index = 0;
+    for (it.Initialize(aC->GetVariables()); it.More(); it.Next())
+    {
+      index++;
+      TV = it.Value(); 
+      if (!TV.IsNull())
+      {
+        aNb = theRelocTable.FindIndex(TV);
+        if (aNb == 0)
+        {
+          aNb = theRelocTable.Add(TV);
+        }
+        aGsStr += TCollection_AsciiString(aNb) + " ";
+      }
+      else aGsStr += "0 ";
+    }
+    anElem.setAttribute(::VariablesString(), aGsStr.ToCString());
+  }
+}