0026961: Recover possibility to read files in old persistence format

[occt.git] / src / StdLPersistent / StdLPersistent_HArray2.hxx

diff --git a/src/StdLPersistent/StdLPersistent_HArray2.hxx b/src/StdLPersistent/StdLPersistent_HArray2.hxx
new file mode 100644 (file)
index 0000000..045bcb5
--- /dev/null
+++ b/src/StdLPersistent/StdLPersistent_HArray2.hxx
@@ -0,0 +1,82 @@
+// Copyright (c) 2015 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+
+#ifndef _StdLPersistent_HArray2_HeaderFile
+#define _StdLPersistent_HArray2_HeaderFile
+
+#include <StdObjMgt_Persistent.hxx>
+
+#include <TColStd_HArray2OfInteger.hxx>
+#include <TColStd_HArray2OfReal.hxx>
+
+
+class StdLPersistent_HArray2
+{
+  class commonBase : public StdObjMgt_Persistent
+  {
+  public:
+    //! Read persistent data from a file.
+    Standard_EXPORT virtual void Read (StdObjMgt_ReadData& theReadData);
+
+  protected:
+    virtual void createArray (
+      const Standard_Integer theLowerRow, const Standard_Integer theLowerCol,
+      const Standard_Integer theUpperRow, const Standard_Integer theUpperCol)
+        = 0;
+
+    virtual void readValue (StdObjMgt_ReadData&    theReadData,
+                            const Standard_Integer theRow,
+                            const Standard_Integer theCol) = 0;
+  };
+
+protected:
+  template <class ArrayClass>
+  class base : public commonBase
+  {
+  public:
+    typedef Handle(ArrayClass) ArrayHandle;
+
+  public:
+    //! Get the array.
+    const Handle(ArrayClass)& Array() const  { return myArray; }
+
+  protected:
+    virtual void createArray (
+      const Standard_Integer theLowerRow, const Standard_Integer theLowerCol,
+      const Standard_Integer theUpperRow, const Standard_Integer theUpperCol)
+    {
+      myArray = new ArrayClass (theLowerRow, theUpperRow,
+                                theLowerCol, theUpperCol);
+    }
+
+  protected:
+    Handle(ArrayClass) myArray;
+  };
+
+private:
+  template <class ArrayClass>
+  class instance : public base<ArrayClass>
+  {
+  protected:
+    Standard_EXPORT virtual void readValue (StdObjMgt_ReadData&    theReadData,
+                                            const Standard_Integer theRow,
+                                            const Standard_Integer theCol);
+  };
+
+public:
+  typedef instance<TColStd_HArray2OfInteger> Integer;
+  typedef instance<TColStd_HArray2OfReal>    Real;
+};
+
+#endif