// Created on: 1997-02-06
// Created by: Kernel
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2014 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 _Storage_HeaderData_HeaderFile
#define _Storage_HeaderData_HeaderFile

#include "Standard.hxx"
#include "Standard_Type.hxx"

#include "Standard_Integer.hxx"
#include "TCollection_AsciiString.hxx"
#include "NCollection_Sequence.hxx"
#include "TCollection_ExtendedString.hxx"
#include "Storage_Error.hxx"
#include "Standard_Transient.hxx"
class Storage_BaseDriver;

class Storage_HeaderData : public Standard_Transient
{

public:
  Standard_EXPORT Storage_HeaderData();

  Standard_EXPORT bool Read(const occ::handle<Storage_BaseDriver>& theDriver);

  //! return the creation date
  Standard_EXPORT TCollection_AsciiString CreationDate() const;

  //! return the Storage package version
  Standard_EXPORT TCollection_AsciiString StorageVersion() const;

  //! get the version of the schema
  Standard_EXPORT TCollection_AsciiString SchemaVersion() const;

  //! get the schema's name
  Standard_EXPORT TCollection_AsciiString SchemaName() const;

  //! set the version of the application
  Standard_EXPORT void SetApplicationVersion(const TCollection_AsciiString& aVersion);

  //! get the version of the application
  Standard_EXPORT TCollection_AsciiString ApplicationVersion() const;

  //! set the name of the application
  Standard_EXPORT void SetApplicationName(const TCollection_ExtendedString& aName);

  //! get the name of the application
  Standard_EXPORT TCollection_ExtendedString ApplicationName() const;

  //! set the data type
  Standard_EXPORT void SetDataType(const TCollection_ExtendedString& aType);

  //! returns data type
  Standard_EXPORT TCollection_ExtendedString DataType() const;

  //! add <theUserInfo> to the user information
  Standard_EXPORT void AddToUserInfo(const TCollection_AsciiString& theUserInfo);

  //! return the user information
  Standard_EXPORT const NCollection_Sequence<TCollection_AsciiString>& UserInfo() const;

  //! add <theUserInfo> to the user information
  Standard_EXPORT void AddToComments(const TCollection_ExtendedString& aComment);

  //! return the user information
  Standard_EXPORT const NCollection_Sequence<TCollection_ExtendedString>& Comments() const;

  //! the number of persistent objects
  //! Return:
  //! the number of persistent objects readed
  Standard_EXPORT int NumberOfObjects() const;

  Standard_EXPORT Storage_Error ErrorStatus() const;

  Standard_EXPORT TCollection_AsciiString ErrorStatusExtension() const;

  Standard_EXPORT void ClearErrorStatus();

  friend class Storage_Schema;

  DEFINE_STANDARD_RTTIEXT(Storage_HeaderData, Standard_Transient)

public:
  Standard_EXPORT void SetNumberOfObjects(const int anObjectNumber);

  Standard_EXPORT void SetStorageVersion(const TCollection_AsciiString& aVersion);

  void SetStorageVersion(const int theVersion)
  {
    SetStorageVersion(TCollection_AsciiString(theVersion));
  }

  Standard_EXPORT void SetCreationDate(const TCollection_AsciiString& aDate);

  Standard_EXPORT void SetSchemaVersion(const TCollection_AsciiString& aVersion);

  Standard_EXPORT void SetSchemaName(const TCollection_AsciiString& aName);

private:
  Standard_EXPORT void SetErrorStatus(const Storage_Error anError);

  Standard_EXPORT void SetErrorStatusExtension(const TCollection_AsciiString& anErrorExt);

  int                                              myNBObj;
  TCollection_AsciiString                          myStorageVersion;
  TCollection_AsciiString                          mySchemaVersion;
  TCollection_AsciiString                          mySchemaName;
  TCollection_AsciiString                          myApplicationVersion;
  TCollection_ExtendedString                       myApplicationName;
  TCollection_ExtendedString                       myDataType;
  TCollection_AsciiString                          myDate;
  NCollection_Sequence<TCollection_AsciiString>    myUserInfo;
  NCollection_Sequence<TCollection_ExtendedString> myComments;
  Storage_Error                                    myErrorStatus;
  TCollection_AsciiString                          myErrorStatusExt;
};

#endif // _Storage_HeaderData_HeaderFile