/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * ***** END LICENSE BLOCK ***** */

#ifndef nsOE5File_h___
#define nsOE5File_h___

#include "nsString.h"
#include "nsIFile.h"

class nsIInputStream;

class nsOE5File
{
public:
    /* pFile must already be open for reading. */
  static PRBool  VerifyLocalMailFile( nsIFile *pFile);
    /* pFile must NOT be open for reading   */
  static PRBool  IsLocalMailFile( nsIFile *pFile);

  static PRBool  ReadIndex( nsIInputStream *pFile, PRUint32 **ppIndex, PRUint32 *pSize);

  static nsresult  ImportMailbox( PRUint32 *pBytesDone, PRBool *pAbort, nsString& name, nsIFile *inFile, nsIFile *pDestination, PRUint32 *pCount);

private:
  typedef struct {
    PRUint32 *  pIndex;
    PRUint32  count;
    PRUint32  alloc;
  } PRUint32Array;

  static const char *m_pFromLineSep;

  static PRBool  ReadBytes(nsIInputStream *stream, void *pBuffer, PRUint32 offset, PRUint32 bytes);
  static PRUint32 ReadMsgIndex(nsIInputStream *file, PRUint32 offset, PRUint32Array *pArray);
  static void  ConvertIndex(nsIInputStream *pFile, char *pBuffer, PRUint32 *pIndex,
                            PRUint32 size, PRUint32 *pFlags, PRUint64 *pTime);
  static PRBool  IsFromLine(char *pLine, PRUint32 len);


};



#endif /* nsOE5File_h___ */
