pjs/xpcom/components/ModuleLoader.h

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/* -*- Mode: C++; tab-width: 8; 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 XPCOM.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 ***** */
#ifndef mozilla_ModuleLoader_h
#define mozilla_ModuleLoader_h
#include "nsISupports.h"
#include "mozilla/Module.h"
#define MOZILLA_MODULELOADER_PSEUDO_IID \
{ 0xD951A8CE, 0x6E9F, 0x464F, \
{ 0x8A, 0xC8, 0x14, 0x61, 0xC0, 0xD3, 0x63, 0xC8 } }
namespace mozilla {
/**
* Module loaders are responsible for loading a component file. The static
* component loader is special and does not use this abstract interface.
*
* @note Implementations of this interface should be threadsafe,
* methods may be called from any thread.
*/
class ModuleLoader : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_MODULELOADER_PSEUDO_IID)
/**
* Return the module for a specified file. The caller should cache
* the module: the implementer should not expect for the same file
* to be loaded multiple times. The Module object should either be
* statically or permanently allocated; it will not be freed.
*/
virtual const Module* LoadModule(nsILocalFile* aFile) = 0;
/**
* Return the module for a file located within a JAR.
*/
virtual const Module* LoadModuleFromJAR(nsILocalFile* aJARFile,
const nsACString& aPath) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(ModuleLoader, MOZILLA_MODULELOADER_PSEUDO_IID)
} // namespace mozilla
#endif // mozilla_ModuleLoader_h