mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-07-02 07:20:40 +02:00
122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
/* -*- 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
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/* Dll
|
|
*
|
|
* Programmatic representation of a dll. Stores modifiedTime and size for
|
|
* easy detection of change in dll.
|
|
*
|
|
* dp Suresh <dp@netscape.com>
|
|
*/
|
|
|
|
#ifndef xcDll_h__
|
|
#define xcDll_h__
|
|
|
|
#include "prio.h"
|
|
#include "prlink.h"
|
|
#include "nsISupports.h"
|
|
#include "nsILocalFile.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsString.h"
|
|
|
|
class nsNativeComponentLoader;
|
|
|
|
#if defined(DEBUG) && !defined(XP_BEOS)
|
|
#define SHOULD_IMPLEMENT_BREAKAFTERLOAD
|
|
#endif
|
|
|
|
class nsIModule;
|
|
class nsIServiceManager;
|
|
|
|
typedef enum nsDllStatus
|
|
{
|
|
DLL_OK = 0,
|
|
DLL_NO_MEM = 1,
|
|
DLL_STAT_ERROR = 2,
|
|
DLL_NOT_FILE = 3,
|
|
DLL_INVALID_PARAM = 4
|
|
} nsDllStatus;
|
|
|
|
class nsDll
|
|
{
|
|
private:
|
|
nsCOMPtr<nsIFile> m_dllSpec;
|
|
PRLibrary *m_instance;
|
|
nsIModule *m_moduleObject;
|
|
nsNativeComponentLoader *m_loader;
|
|
PRBool m_markForUnload;
|
|
|
|
void Init(nsIFile *dllSpec);
|
|
|
|
#ifdef SHOULD_IMPLEMENT_BREAKAFTERLOAD
|
|
void BreakAfterLoad(const char *nsprPath);
|
|
#endif
|
|
|
|
public:
|
|
|
|
nsDll(nsIFile *dllSpec, nsNativeComponentLoader* loader);
|
|
~nsDll(void);
|
|
|
|
// Dll Loading
|
|
PRBool Load(void);
|
|
PRBool Unload(void);
|
|
PRBool IsLoaded(void)
|
|
{
|
|
return ((m_instance != 0) ? PR_TRUE : PR_FALSE);
|
|
}
|
|
void MarkForUnload(PRBool mark) { m_markForUnload = mark; }
|
|
PRBool IsMarkedForUnload(void) { return m_markForUnload; }
|
|
|
|
// Shutdown the dll. This will call any on unload hook for the dll.
|
|
// This wont unload the dll. Unload() implicitly calls Shutdown().
|
|
nsresult Shutdown(void);
|
|
|
|
void *FindSymbol(const char *symbol);
|
|
|
|
PRBool HasChanged(void);
|
|
|
|
void GetDisplayPath(nsACString& string);
|
|
|
|
PRLibrary *GetInstance(void) { return (m_instance); }
|
|
|
|
// NS_RELEASE() is required to be done on objects returned
|
|
nsresult GetDllSpec(nsIFile **dllSpec);
|
|
nsresult GetModule(nsISupports *servMgr, nsIModule **mobj);
|
|
};
|
|
|
|
#endif /* xcDll_h__ */
|