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231 lines
8.9 KiB
C++
231 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIComponentManager_h__
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#define nsIComponentManager_h__
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#include "prtypes.h"
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#include "nsCom.h"
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#include "nsID.h"
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#include "nsError.h"
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#include "nsISupports.h"
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#include "nsIFactory.h"
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/*
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* Prototypes for dynamic library export functions. Your DLL/DSO needs to export
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* these methods to play in the component world.
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*/
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extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* aServMgr,
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const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory **aFactory);
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extern "C" NS_EXPORT PRBool NSCanUnload(nsISupports* aServMgr);
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extern "C" NS_EXPORT nsresult NSRegisterSelf(nsISupports* aServMgr, const char *fullpath);
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extern "C" NS_EXPORT nsresult NSUnregisterSelf(nsISupports* aServMgr, const char *fullpath);
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typedef nsresult (*nsFactoryProc)(nsISupports* aServMgr,
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const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory **aFactory);
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typedef PRBool (*nsCanUnloadProc)(nsISupports* aServMgr);
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typedef nsresult (*nsRegisterProc)(nsISupports* aServMgr, const char *path);
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typedef nsresult (*nsUnregisterProc)(nsISupports* aServMgr, const char *path);
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#define NS_ICOMPONENTMANAGER_IID \
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{ /* 8458a740-d5dc-11d2-92fb-00e09805570f */ \
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0x8458a740, \
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0xd5dc, \
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0x11d2, \
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{0x92, 0xfb, 0x00, 0xe0, 0x98, 0x05, 0x57, 0x0f} \
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}
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#define NS_COMPONENTMANAGER_CID \
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{ /* 91775d60-d5dc-11d2-92fb-00e09805570f */ \
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0x91775d60, \
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0xd5dc, \
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0x11d2, \
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{0x92, 0xfb, 0x00, 0xe0, 0x98, 0x05, 0x57, 0x0f} \
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}
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/*
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* nsIComponentManager interface
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*/
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class nsIComponentManager : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMPONENTMANAGER_IID)
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NS_IMETHOD FindFactory(const nsCID &aClass,
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nsIFactory **aFactory) = 0;
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// Finds a class ID for a specific Program ID
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NS_IMETHOD ProgIDToCLSID(const char *aProgID,
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nsCID *aClass) = 0;
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// Finds a Program ID for a specific class ID
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// caller frees the result with delete[]
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NS_IMETHOD CLSIDToProgID(nsCID *aClass,
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char* *aClassName,
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char* *aProgID) = 0;
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// Creates a class instance for a specific class ID
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NS_IMETHOD CreateInstance(const nsCID &aClass,
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nsISupports *aDelegate,
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const nsIID &aIID,
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void **aResult) = 0;
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// Convenience routine, creates a class instance for a specific ProgID
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NS_IMETHOD CreateInstance(const char *aProgID,
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nsISupports *aDelegate,
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const nsIID &aIID,
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void **aResult) = 0;
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// Manually registry a factory for a class
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NS_IMETHOD RegisterFactory(const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory *aFactory,
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PRBool aReplace) = 0;
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// Manually register a dynamically loaded component.
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NS_IMETHOD RegisterComponent(const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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const char *aLibrary,
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PRBool aReplace,
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PRBool aPersist) = 0;
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// Manually unregister a factory for a class
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NS_IMETHOD UnregisterFactory(const nsCID &aClass,
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nsIFactory *aFactory) = 0;
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// Manually unregister a dynamically loaded component
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NS_IMETHOD UnregisterComponent(const nsCID &aClass,
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const char *aLibrary) = 0;
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// Unload dynamically loaded factories that are not in use
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NS_IMETHOD FreeLibraries(void) = 0;
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//////////////////////////////////////////////////////////////////////////////
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// DLL registration support
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// Autoregistration will try only files with these extensions.
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// All extensions are case insensitive.
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// ".dll", // Windows
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// ".dso", // Unix
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// ".so", // Unix
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// ".sl", // Unix: HP
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// ".shlb", // Mac
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// ".dlm", // new for all platforms
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//
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// Directory and fullname are what NSPR will accept. For eg.
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// MAC /Hard drive/mozilla/dist/bin
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// WIN y:\Hard drive\mozilla\dist\bin (or) y:/Hard drive/mozilla/dist/bin
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// UNIX /Hard drive/mozilla/dist/bin
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//
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enum RegistrationTime {
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NS_Startup = 0,
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NS_Script = 1,
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NS_Timer = 2
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};
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NS_IMETHOD AutoRegister(RegistrationTime when, const char* directory) = 0;
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NS_IMETHOD AutoRegisterComponent(RegistrationTime when, const char *fullname) = 0;
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};
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////////////////////////////////////////////////////////////////////////////////
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extern NS_COM nsresult
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NS_GetGlobalComponentManager(nsIComponentManager* *result);
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////////////////////////////////////////////////////////////////////////////////
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// Global Static Component Manager Methods
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// (for when you need to link with xpcom)
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class NS_COM nsComponentManager {
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public:
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static nsresult Initialize(void);
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// Finds a factory for a specific class ID
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static nsresult FindFactory(const nsCID &aClass,
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nsIFactory **aFactory);
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// Finds a class ID for a specific Program ID
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static nsresult ProgIDToCLSID(const char *aProgID,
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nsCID *aClass);
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// Finds a Program ID for a specific class ID
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// caller frees the result with delete[]
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static nsresult CLSIDToProgID(nsCID *aClass,
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char* *aClassName,
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char* *aProgID);
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// Creates a class instance for a specific class ID
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static nsresult CreateInstance(const nsCID &aClass,
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nsISupports *aDelegate,
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const nsIID &aIID,
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void **aResult);
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// Convenience routine, creates a class instance for a specific ProgID
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static nsresult CreateInstance(const char *aProgID,
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nsISupports *aDelegate,
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const nsIID &aIID,
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void **aResult);
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// Manually registry a factory for a class
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static nsresult RegisterFactory(const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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nsIFactory *aFactory,
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PRBool aReplace);
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// Manually register a dynamically loaded component.
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static nsresult RegisterComponent(const nsCID &aClass,
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const char *aClassName,
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const char *aProgID,
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const char *aLibrary,
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PRBool aReplace,
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PRBool aPersist);
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// Manually unregister a factory for a class
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static nsresult UnregisterFactory(const nsCID &aClass,
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nsIFactory *aFactory);
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// Manually unregister a dynamically loaded component
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static nsresult UnregisterComponent(const nsCID &aClass,
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const char *aLibrary);
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// Unload dynamically loaded factories that are not in use
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static nsresult FreeLibraries(void);
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//////////////////////////////////////////////////////////////////////////////
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// DLL registration support
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static nsresult AutoRegister(nsIComponentManager::RegistrationTime when,
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const char* directory);
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static nsresult AutoRegisterComponent(nsIComponentManager::RegistrationTime when,
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const char *fullname);
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};
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////////////////////////////////////////////////////////////////////////////////
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#endif
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