Integration of OCCT 6.5.0 from SVN

src/XmlMDataStd/XmlMDataStd_ReferenceArrayDriver.cxx

@@ -0,0 +1,184 @@
+// File:        XmlMDataStd_ReferenceArrayDriver.cxx
+// Created:     May 29 11:40:00 2007
+// Author:      Vlad Romashko
+//  	    	<vladislav.romashko@opencascade.com>
+// Copyright:   Open CASCADE
+
+#include <XmlMDataStd_ReferenceArrayDriver.ixx>
+#include <XmlObjMgt.hxx>
+#include <XmlObjMgt_Document.hxx>
+#include <LDOM_MemManager.hxx>
+
+#include <TDF_Tool.hxx>
+#include <TDF_Label.hxx>
+#include <TDataStd_ReferenceArray.hxx>
+
+IMPLEMENT_DOMSTRING (FirstIndexString, "first")
+IMPLEMENT_DOMSTRING (LastIndexString,  "last")
+IMPLEMENT_DOMSTRING (ExtString,        "string")
+
+//=======================================================================
+//function : XmlMDataStd_ReferenceArrayDriver
+//purpose  : Constructor
+//=======================================================================
+XmlMDataStd_ReferenceArrayDriver::XmlMDataStd_ReferenceArrayDriver(const Handle(CDM_MessageDriver)& theMsgDriver)
+     : XmlMDF_ADriver (theMsgDriver, NULL)
+{
+
+}
+
+//=======================================================================
+//function : NewEmpty
+//purpose  : 
+//=======================================================================
+Handle(TDF_Attribute) XmlMDataStd_ReferenceArrayDriver::NewEmpty() const
+{
+  return new TDataStd_ReferenceArray();
+}
+
+//=======================================================================
+//function : Paste
+//purpose  : persistent -> transient (retrieve)
+//=======================================================================
+Standard_Boolean XmlMDataStd_ReferenceArrayDriver::Paste(const XmlObjMgt_Persistent&  theSource,
+							 const Handle(TDF_Attribute)& theTarget,
+							 XmlObjMgt_RRelocationTable&  ) const
+{
+  Standard_Integer aFirstInd, aLastInd;
+  const XmlObjMgt_Element& anElement = theSource;
+
+  // Read the FirstIndex; if the attribute is absent initialize to 1
+  XmlObjMgt_DOMString aFirstIndex= anElement.getAttribute(::FirstIndexString());
+  if (aFirstIndex == NULL)
+    aFirstInd = 1;
+  else if (!aFirstIndex.GetInteger(aFirstInd)) 
+  {
+    TCollection_ExtendedString aMessageString =
+      TCollection_ExtendedString("Cannot retrieve the first index"
+                                 " for ReferenceArray attribute as \"")
+        + aFirstIndex + "\"";
+    WriteMessage (aMessageString);
+    return Standard_False;
+  }
+
+  // Read the LastIndex; the attribute should present
+  if (!anElement.getAttribute(::LastIndexString()).GetInteger(aLastInd)) 
+  {
+    TCollection_ExtendedString aMessageString =
+      TCollection_ExtendedString("Cannot retrieve the last index"
+                                 " for ReferenceArray attribute as \"")
+        + aFirstIndex + "\"";
+    WriteMessage (aMessageString);
+    return Standard_False;
+  }
+
+  Handle(TDataStd_ReferenceArray) aReferenceArray = Handle(TDataStd_ReferenceArray)::DownCast(theTarget);
+  aReferenceArray->Init(aFirstInd, aLastInd);
+  
+  if (!anElement.hasChildNodes())
+  {
+    TCollection_ExtendedString aMessageString = 
+      TCollection_ExtendedString("Cannot retrieve a Array of reference");
+    WriteMessage (aMessageString);
+    return Standard_False;
+  }
+
+  LDOM_Node aCurNode = anElement.getFirstChild();
+  LDOM_Element* aCurElement = (LDOM_Element*)&aCurNode;
+  XmlObjMgt_DOMString aValueStr;
+  Standard_Integer i = aFirstInd;
+  while (*aCurElement != anElement.getLastChild())
+  {
+    aValueStr = XmlObjMgt::GetStringValue( *aCurElement );
+    if (aValueStr == NULL)
+    {
+      WriteMessage ("Cannot retrieve reference string from element");
+      return Standard_False;
+    }
+    TCollection_AsciiString anEntry;
+    if (XmlObjMgt::GetTagEntryString (aValueStr, anEntry) == Standard_False)
+    {
+      TCollection_ExtendedString aMessage =
+	TCollection_ExtendedString ("Cannot retrieve reference from \"")
+	  + aValueStr + '\"';
+      WriteMessage (aMessage);
+      return Standard_False;
+    }
+    // Find label by entry
+    TDF_Label tLab; // Null label.
+    if (anEntry.Length() > 0)
+    {
+      TDF_Tool::Label(aReferenceArray->Label().Data(), anEntry, tLab, Standard_True);
+    }
+    aReferenceArray->SetValue(i++, tLab);
+    aCurNode = aCurElement->getNextSibling();
+    aCurElement = (LDOM_Element*)&aCurNode;
+  }
+
+  // Last reference
+  aValueStr = XmlObjMgt::GetStringValue( *aCurElement );
+  if (aValueStr == NULL)
+  {
+    WriteMessage ("Cannot retrieve reference string from element");
+    return Standard_False;
+  }
+  TCollection_AsciiString anEntry;
+  if (XmlObjMgt::GetTagEntryString (aValueStr, anEntry) == Standard_False)
+  {
+    TCollection_ExtendedString aMessage =
+      TCollection_ExtendedString ("Cannot retrieve reference from \"")
+	+ aValueStr + '\"';
+    WriteMessage (aMessage);
+    return Standard_False;
+  }
+  // Find label by entry
+  TDF_Label tLab; // Null label.
+  if (anEntry.Length() > 0)
+  {
+    TDF_Tool::Label(aReferenceArray->Label().Data(), anEntry, tLab, Standard_True);
+  }
+  aReferenceArray->SetValue(i, tLab);
+
+  return Standard_True;
+}
+
+//=======================================================================
+//function : Paste
+//purpose  : transient -> persistent (store)
+//=======================================================================
+void XmlMDataStd_ReferenceArrayDriver::Paste(const Handle(TDF_Attribute)& theSource,
+					     XmlObjMgt_Persistent&        theTarget,
+					     XmlObjMgt_SRelocationTable&  ) const
+{
+  Handle(TDataStd_ReferenceArray) aReferenceArray = Handle(TDataStd_ReferenceArray)::DownCast(theSource);
+  TDF_Label L = aReferenceArray->Label();
+  if (L.IsNull())
+  {
+    WriteMessage ("Label of a ReferenceArray is Null.");
+    return;
+  }
+
+  Standard_Integer aL = aReferenceArray->Lower();
+  Standard_Integer anU = aReferenceArray->Upper();
+  XmlObjMgt_Element& anElement = theTarget;
+  anElement.setAttribute(::FirstIndexString(), aL);
+  anElement.setAttribute(::LastIndexString(), anU);
+  
+  XmlObjMgt_Document aDoc = anElement.getOwnerDocument().Doc();
+  
+  for (Standard_Integer i = aL; i <= anU; i++)
+  {
+    if (L.IsDescendant(aReferenceArray->Value(i).Root()))
+    {
+      // Internal reference
+      TCollection_AsciiString anEntry;
+      TDF_Tool::Entry(aReferenceArray->Value(i), anEntry);
+
+      XmlObjMgt_DOMString aDOMString;
+      XmlObjMgt::SetTagEntryString (aDOMString, anEntry);
+      XmlObjMgt_Element aCurTarget = aDoc.createElement( ::ExtString() );
+      XmlObjMgt::SetStringValue (aCurTarget, aDOMString, Standard_True);
+      anElement.appendChild( aCurTarget );
+    }
+  }
+}