--- /dev/null
+//gka 05.03.99 S4134 upgrade from CD to DIS
+#include <RWStepBasic_RWDocumentRelationship.ixx>
+
+#include <Interface_EntityIterator.hxx>
+
+
+#include <StepBasic_DocumentRelationship.hxx>
+#include <StepBasic_Document.hxx>
+#include <TCollection_HAsciiString.hxx>
+
+
+RWStepBasic_RWDocumentRelationship::RWStepBasic_RWDocumentRelationship () {}
+
+void RWStepBasic_RWDocumentRelationship::ReadStep
+ (const Handle(StepData_StepReaderData)& data,
+ const Standard_Integer num,
+ Handle(Interface_Check)& ach,
+ const Handle(StepBasic_DocumentRelationship)& ent) const
+{
+
+
+ // --- Number of Parameter Control ---
+
+ if (!data->CheckNbParams(num,4,ach,"document_relationship")) return;
+
+ // --- own field : name ---
+
+ Handle(TCollection_HAsciiString) aName;
+ //szv#4:S4163:12Mar99 `Standard_Boolean stat1 =` not needed
+ data->ReadString (num,1,"name",ach,aName);
+
+ // --- own field : description ---
+
+ Handle(TCollection_HAsciiString) aDescr;
+ if (data->IsParamDefined (num,2)) { //gka 05.03.99 S4134 upgrade from CD to DIS
+ //szv#4:S4163:12Mar99 `Standard_Boolean stat2 =` not needed
+ data->ReadString (num,2,"description",ach,aDescr);
+ }
+ // --- own field : relating ---
+
+ Handle(StepBasic_Document) aRelating;
+ //szv#4:S4163:12Mar99 `Standard_Boolean stat3 =` not needed
+ data->ReadEntity (num, 3,"relating_document", ach, STANDARD_TYPE(StepBasic_Document), aRelating);
+
+ // --- own field : related ---
+
+ Handle(StepBasic_Document) aRelated;
+ //szv#4:S4163:12Mar99 `Standard_Boolean stat4 =` not needed
+ data->ReadEntity (num, 4,"related_document", ach, STANDARD_TYPE(StepBasic_Document), aRelated);
+
+ //--- Initialisation of the read entity ---
+
+
+ ent->Init(aName, aDescr, aRelating,aRelated);
+}
+
+
+void RWStepBasic_RWDocumentRelationship::WriteStep
+ (StepData_StepWriter& SW,
+ const Handle(StepBasic_DocumentRelationship)& ent) const
+{
+
+ // --- own field : name ---
+
+ SW.Send(ent->Name());
+
+ // --- own field : description ---
+
+ SW.Send(ent->Description());
+
+ // --- own field : kind ---
+
+ SW.Send(ent->RelatingDocument());
+ SW.Send(ent->RelatedDocument());
+}
+
+
+void RWStepBasic_RWDocumentRelationship::Share(const Handle(StepBasic_DocumentRelationship)& ent, Interface_EntityIterator& iter) const
+{
+
+ iter.AddItem(ent->RelatingDocument());
+ iter.AddItem(ent->RelatedDocument());
+
+}
+