зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
3.2 KiB
C++
116 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef mozilla_Module_h
|
|
#define mozilla_Module_h
|
|
|
|
#include "nscore.h"
|
|
#include "nsID.h"
|
|
#include "nsIFactory.h"
|
|
#include "nsCOMPtr.h" // for already_AddRefed
|
|
|
|
namespace mozilla {
|
|
|
|
/**
|
|
* A module implements one or more XPCOM components. This structure is used
|
|
* for both binary and script modules, but the registration members
|
|
* (cids/contractids/categoryentries) are unused for modules which are loaded
|
|
* via a module loader.
|
|
*/
|
|
struct Module
|
|
{
|
|
static const unsigned int kVersion = 17;
|
|
|
|
struct CIDEntry;
|
|
|
|
typedef already_AddRefed<nsIFactory> (*GetFactoryProcPtr)
|
|
(const Module& module, const CIDEntry& entry);
|
|
|
|
typedef nsresult (*ConstructorProcPtr)(nsISupports* aOuter,
|
|
const nsIID& aIID,
|
|
void** aResult);
|
|
|
|
typedef nsresult (*LoadFuncPtr)();
|
|
typedef void (*UnloadFuncPtr)();
|
|
|
|
/**
|
|
* The constructor callback is an implementation detail of the default binary
|
|
* loader and may be null.
|
|
*/
|
|
struct CIDEntry
|
|
{
|
|
const nsCID* cid;
|
|
bool service;
|
|
GetFactoryProcPtr getFactoryProc;
|
|
ConstructorProcPtr constructorProc;
|
|
};
|
|
|
|
struct ContractIDEntry
|
|
{
|
|
const char* contractid;
|
|
nsID const * cid;
|
|
};
|
|
|
|
struct CategoryEntry
|
|
{
|
|
const char* category;
|
|
const char* entry;
|
|
const char* value;
|
|
};
|
|
|
|
/**
|
|
* Binary compatibility check, should be kModuleVersion.
|
|
*/
|
|
unsigned int mVersion;
|
|
|
|
/**
|
|
* An array of CIDs (class IDs) implemented by this module. The final entry
|
|
* should be { NULL }.
|
|
*/
|
|
const CIDEntry* mCIDs;
|
|
|
|
/**
|
|
* An array of mappings from contractid to CID. The final entry should
|
|
* be { NULL }.
|
|
*/
|
|
const ContractIDEntry* mContractIDs;
|
|
|
|
/**
|
|
* An array of category manager entries. The final entry should be
|
|
* { NULL }.
|
|
*/
|
|
const CategoryEntry* mCategoryEntries;
|
|
|
|
/**
|
|
* When the component manager tries to get the factory for a CID, it first
|
|
* checks for this module-level getfactory callback. If this function is
|
|
* not implemented, it checks the CIDEntry getfactory callback. If that is
|
|
* also NULL, a generic factory is generated using the CIDEntry constructor
|
|
* callback which must be non-NULL.
|
|
*/
|
|
GetFactoryProcPtr getFactoryProc;
|
|
|
|
/**
|
|
* Optional Function which are called when this module is loaded and
|
|
* at shutdown. These are not C++ constructor/destructors to avoid
|
|
* calling them too early in startup or too late in shutdown.
|
|
*/
|
|
LoadFuncPtr loadProc;
|
|
UnloadFuncPtr unloadProc;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
#if defined(XPCOM_TRANSLATE_NSGM_ENTRY_POINT)
|
|
# define NSMODULE_NAME(_name) _name##_NSModule
|
|
# define NSMODULE_DECL(_name) extern mozilla::Module const *const NSMODULE_NAME(_name)
|
|
# define NSMODULE_DEFN(_name) NSMODULE_DECL(_name)
|
|
#else
|
|
# define NSMODULE_NAME(_name) NSModule
|
|
# define NSMODULE_DEFN(_name) extern "C" NS_EXPORT mozilla::Module const *const NSModule
|
|
#endif
|
|
|
|
#endif // mozilla_Module_h
|