Integration of OCCT 6.5.0 from SVN

src/XmlMXCAFDoc/XmlMXCAFDoc_GraphNodeDriver.cxx

@@ -0,0 +1,185 @@
+// File:      XmlMXCAFDoc_GraphNodeDriver.cxx
+// Created:   04.09.01 14:47:31
+// Author:    Julia DOROVSKIKH
+// Copyright: Open Cascade 2001
+// History:
+
+#include <XmlMXCAFDoc_GraphNodeDriver.ixx>
+
+#include <XmlObjMgt.hxx>
+
+#include <XCAFDoc_GraphNode.hxx>
+#include <TDF_Tool.hxx>
+#include <TDF_Label.hxx>
+#include <Standard_PCharacter.hxx>
+
+IMPLEMENT_DOMSTRING (TreeIdString,   "treeid")
+IMPLEMENT_DOMSTRING (ChildrenString, "children")
+IMPLEMENT_DOMSTRING (FathersString,  "fathers")
+
+//=======================================================================
+//function : XmlMXCAFDoc_GraphNodeDriver
+//purpose  : Constructor
+//=======================================================================
+XmlMXCAFDoc_GraphNodeDriver::XmlMXCAFDoc_GraphNodeDriver
+                        (const Handle(CDM_MessageDriver)& theMsgDriver)
+      : XmlMDF_ADriver (theMsgDriver, "xcaf", "GraphNode")
+{}
+
+//=======================================================================
+//function : NewEmpty
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMXCAFDoc_GraphNodeDriver::NewEmpty() const
+{
+  return (new XCAFDoc_GraphNode());
+}
+
+//=======================================================================
+//function : Paste
+//purpose  : persistent -> transient (retrieve)
+//=======================================================================
+Standard_Boolean XmlMXCAFDoc_GraphNodeDriver::Paste
+                (const XmlObjMgt_Persistent&  theSource,
+                 const Handle(TDF_Attribute)& theTarget,
+                 XmlObjMgt_RRelocationTable&  theRelocTable) const
+{
+  Handle(XCAFDoc_GraphNode) aT = Handle(XCAFDoc_GraphNode)::DownCast(theTarget);
+  const XmlObjMgt_Element& anElement = theSource;
+
+  // tree id
+  XmlObjMgt_DOMString aGUIDStr = anElement.getAttribute(::TreeIdString());
+  Standard_GUID aGUID (Standard_CString(aGUIDStr.GetString()));
+  aT->SetGraphID(aGUID);
+
+  XmlObjMgt_DOMString aDOMStr;
+  Handle(XCAFDoc_GraphNode) aTChild;
+
+  // fathers
+  aDOMStr = anElement.getAttribute(::FathersString());
+  if (aDOMStr != NULL)                  // void list is allowed
+  {
+    Standard_CString aChildren = Standard_CString(aDOMStr.GetString());
+    Standard_Integer aNb = 0;
+    if (!XmlObjMgt::GetInteger(aChildren, aNb)) return Standard_False;
+
+    while (aNb > 0)
+    {
+      // Find or create GraphNode attribute with the given ID
+      if (theRelocTable.IsBound(aNb))
+      {
+        aTChild = Handle(XCAFDoc_GraphNode)::DownCast(theRelocTable.Find(aNb));
+        if (aTChild.IsNull())
+          return Standard_False;
+      }
+      else
+      {
+        aTChild = new XCAFDoc_GraphNode;
+        theRelocTable.Bind(aNb, aTChild);
+      }
+
+      // Add the child to the current tree
+      aTChild->SetGraphID(aGUID);
+      aT->SetFather(aTChild);
+
+      // Get next child ID
+      if (!XmlObjMgt::GetInteger(aChildren, aNb)) aNb = 0;
+    }
+  }
+
+  // children
+  aDOMStr = anElement.getAttribute(::ChildrenString());
+  if (aDOMStr != NULL)                  // void list is allowed
+  {
+    Standard_CString aChildren = Standard_CString(aDOMStr.GetString());
+    Standard_Integer aNb = 0;
+    if (!XmlObjMgt::GetInteger(aChildren, aNb)) return Standard_False;
+
+    while (aNb > 0)
+    {
+      // Find or create GraphNode attribute with the given ID
+      if (theRelocTable.IsBound(aNb))
+      {
+        aTChild = Handle(XCAFDoc_GraphNode)::DownCast(theRelocTable.Find(aNb));
+        if (aTChild.IsNull())
+          return Standard_False;
+      }
+      else
+      {
+        aTChild = new XCAFDoc_GraphNode;
+        theRelocTable.Bind(aNb, aTChild);
+      }
+
+      // Add the child to the current tree
+      aTChild->SetGraphID(aGUID);
+      aT->SetChild(aTChild);
+
+      // Get next child ID
+      if (!XmlObjMgt::GetInteger(aChildren, aNb)) aNb = 0;
+    }
+  }
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function : Paste
+//purpose  : transient -> persistent (store)
+//=======================================================================
+void XmlMXCAFDoc_GraphNodeDriver::Paste (const Handle(TDF_Attribute)& theSource,
+                                         XmlObjMgt_Persistent&        theTarget,
+                                         XmlObjMgt_SRelocationTable&  theRelocTable) const
+{
+  Handle(XCAFDoc_GraphNode) aS = Handle(XCAFDoc_GraphNode)::DownCast(theSource);
+  if (aS.IsNull()) return;
+  
+  // graph id
+  Standard_Character aGuidStr [40];
+  Standard_PCharacter pGuidStr;
+  //
+  pGuidStr=(Standard_PCharacter)aGuidStr;
+  aS->ID().ToCString (pGuidStr);
+  theTarget.Element().setAttribute(::TreeIdString(), aGuidStr);
+
+  Standard_Integer aNb;
+  TCollection_AsciiString aStr;
+  Handle(XCAFDoc_GraphNode) aF;
+  Standard_Integer i;
+
+  // fathers
+  for (i = 1; i <= aS->NbFathers(); i++)
+  {
+    aF = aS->GetFather(i);
+    if (!aF.IsNull())
+    {
+      aNb = theRelocTable.FindIndex(aF);
+      if (aNb == 0)
+      {
+        aNb = theRelocTable.Add(aF);
+      }
+      TCollection_AsciiString aNbStr (aNb);
+      aStr += aNbStr + " ";
+    }
+  }
+  if (aStr.Length() > 0)
+    theTarget.Element().setAttribute(::FathersString(), aStr.ToCString());
+  
+  // children
+  aStr.Clear();
+  for (i = 1; i <= aS->NbChildren(); i++)
+  {
+    aF = aS->GetChild(i);
+    if (!aF.IsNull())
+    {
+      aNb = theRelocTable.FindIndex(aF);
+      if (aNb == 0)
+      {
+        aNb = theRelocTable.Add(aF);
+      }
+      TCollection_AsciiString aNbStr (aNb);
+      aStr += aNbStr + " ";
+    }
+  }
+  if (aStr.Length() > 0)
+    theTarget.Element().setAttribute(::ChildrenString(), aStr.ToCString());
+}