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nsRegistry.h
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00001 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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
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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  *   Edward Kandrot  <kandrot@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 
00040 #ifndef nsRegistry_h__
00041 #define nsRegistry_h__
00042 
00043 #include "nsIRegistry.h"
00044 #include "NSReg.h"
00045 #include "nsIFile.h"
00046 #include "nsCOMPtr.h"
00047 
00048 struct nsRegistry : public nsIRegistry, nsIRegistryGetter {
00049     // This class implements the nsISupports interface functions.
00050     NS_DECL_ISUPPORTS
00051 
00052     // This class implements the nsIRegistry interface functions.
00053     NS_DECL_NSIREGISTRY
00054 
00055     // Fast registry getters
00056     NS_DECL_NSIREGISTRYGETTER
00057 
00058     int SetBufferSize( int bufsize );  // changes the file buffer size for this registry
00059 
00060     // ctor/dtor
00061     nsRegistry();
00062 
00063 private:
00064     ~nsRegistry();
00065 
00066 protected:
00067     HREG   mReg; // Registry handle.
00068 #ifdef EXTRA_THREADSAFE
00069     PRLock *mregLock;    // libreg isn't threadsafe. Use locks to synchronize.
00070 #endif
00071     nsCOMPtr<nsIFile> mCurRegFile; // these are to prevent open from opening the registry again
00072     nsWellKnownRegistry mCurRegID;
00073 
00074     NS_IMETHOD Close();
00075 }; // nsRegistry
00076 
00077 #endif