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nsOE5File.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef nsOE5File_h___
00039 #define nsOE5File_h___
00040 
00041 #include "nsString.h"
00042 #include "nsIFileSpec.h"
00043 
00044 class nsOE5File
00045 {
00046 public:
00047               /* pFile must already be open for reading. */
00048        static PRBool VerifyLocalMailFile( nsIFileSpec *pFile);
00049               /* pFile must NOT be open for reading      */
00050        static PRBool IsLocalMailFile( nsIFileSpec *pFile);
00051 
00052        static PRBool ReadIndex( nsIFileSpec *pFile, PRUint32 **ppIndex, PRUint32 *pSize);
00053 
00054        static nsresult      ImportMailbox( PRUint32 *pBytesDone, PRBool *pAbort, nsString& name, nsIFileSpec *inFile, nsIFileSpec *pDestination, PRUint32 *pCount);
00055 
00056 private:
00057        typedef struct {
00058               PRUint32 *    pIndex;
00059               PRUint32      count;
00060               PRUint32      alloc;
00061        } PRUint32Array;
00062        
00063        static const char *m_pFromLineSep;
00064 
00065        static PRBool ReadBytes( nsIFileSpec *stream, void *pBuffer, PRUint32 offset, PRUint32 bytes);
00066        static PRUint32 ReadMsgIndex( nsIFileSpec *file, PRUint32 offset, PRUint32Array *pArray);
00067        static void          ConvertIndex( nsIFileSpec *pFile, char *pBuffer, PRUint32 *pIndex, PRUint32 size);
00068        static PRBool IsFromLine( char *pLine, PRUint32 len);
00069 
00070 
00071 };
00072 
00073 
00074 
00075 #endif /* nsOE5File_h___ */