зеркало из https://github.com/mozilla/gecko-dev.git
248 строки
14 KiB
C++
248 строки
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#ifndef nsIGenericFactory_h___
|
|
#define nsIGenericFactory_h___
|
|
|
|
#include "nsIFactory.h"
|
|
|
|
// {3bc97f01-ccdf-11d2-bab8-b548654461fc}
|
|
#define NS_GENERICFACTORY_CID \
|
|
{ 0x3bc97f01, 0xccdf, 0x11d2, { 0xba, 0xb8, 0xb5, 0x48, 0x65, 0x44, 0x61, 0xfc } }
|
|
|
|
// {3bc97f00-ccdf-11d2-bab8-b548654461fc}
|
|
#define NS_IGENERICFACTORY_IID \
|
|
{ 0x3bc97f00, 0xccdf, 0x11d2, { 0xba, 0xb8, 0xb5, 0x48, 0x65, 0x44, 0x61, 0xfc } }
|
|
|
|
#define NS_GENERICFACTORY_CONTRACTID "@mozilla.org/generic-factory;1"
|
|
#define NS_GENERICFACTORY_CLASSNAME "Generic Factory"
|
|
|
|
struct nsModuleComponentInfo; // forward declaration
|
|
|
|
/**
|
|
* Provides a Generic nsIFactory implementation that can be used by
|
|
* DLLs with very simple factory needs.
|
|
*/
|
|
class nsIGenericFactory : public nsIFactory {
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IGENERICFACTORY_IID; return iid; }
|
|
|
|
NS_IMETHOD SetComponentInfo(nsModuleComponentInfo *info) = 0;
|
|
NS_IMETHOD GetComponentInfo(nsModuleComponentInfo **infop) = 0;
|
|
};
|
|
|
|
extern NS_COM nsresult
|
|
NS_NewGenericFactory(nsIGenericFactory **result,
|
|
nsModuleComponentInfo *info);
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Generic Modules
|
|
//
|
|
// (See xpcom/sample/nsSampleModule.cpp to see how to use this.)
|
|
|
|
#include "nsIModule.h"
|
|
|
|
typedef NS_CALLBACK(NSConstructorProcPtr) (nsISupports *aOuter, REFNSIID aIID,
|
|
void **aResult);
|
|
|
|
typedef NS_CALLBACK(NSRegisterSelfProcPtr) (nsIComponentManager *aCompMgr,
|
|
nsIFile *aPath,
|
|
const char *registryLocation,
|
|
const char *componentType,
|
|
const nsModuleComponentInfo *info);
|
|
|
|
typedef NS_CALLBACK(NSUnregisterSelfProcPtr) (nsIComponentManager *aCompMgr,
|
|
nsIFile *aPath,
|
|
const char *registryLocation,
|
|
const nsModuleComponentInfo *info);
|
|
|
|
typedef NS_CALLBACK(NSFactoryDestructorProcPtr) (void);
|
|
|
|
typedef NS_CALLBACK(NSGetInterfacesProcPtr) (PRUint32 *countp,
|
|
nsIID* **array);
|
|
|
|
typedef NS_CALLBACK(NSGetLanguageHelperProcPtr) (PRUint32 language,
|
|
nsISupports **helper);
|
|
|
|
/**
|
|
* Use this type to define a list of module component info to pass to
|
|
* NS_NewGenericModule. E.g.:
|
|
* static nsModuleComponentInfo components[] = { ... };
|
|
* See xpcom/sample/nsSampleModule.cpp for more info.
|
|
*/
|
|
struct nsModuleComponentInfo {
|
|
const char* mDescription;
|
|
nsCID mCID;
|
|
const char* mContractID;
|
|
NSConstructorProcPtr mConstructor;
|
|
NSRegisterSelfProcPtr mRegisterSelfProc;
|
|
NSUnregisterSelfProcPtr mUnregisterSelfProc;
|
|
NSFactoryDestructorProcPtr mFactoryDestructor;
|
|
NSGetInterfacesProcPtr mGetInterfacesProc;
|
|
NSGetLanguageHelperProcPtr mGetLanguageHelperProc;
|
|
nsIClassInfo ** mClassInfoGlobal;
|
|
PRUint32 mFlags;
|
|
};
|
|
|
|
typedef void (PR_CALLBACK *nsModuleDestructorProc) (nsIModule *self);
|
|
|
|
extern NS_COM nsresult
|
|
NS_NewGenericModule(const char* moduleName,
|
|
PRUint32 componentCount,
|
|
nsModuleComponentInfo* components,
|
|
nsModuleDestructorProc dtor,
|
|
nsIModule* *result);
|
|
|
|
#if defined(XPCOM_TRANSLATE_NSGM_ENTRY_POINT)
|
|
# define NSGETMODULE_ENTRY_POINT(_name) _name##_NSGetModule
|
|
# define NSGETMODULE_COMPONENTS(_name) _name##_NSGM_comps
|
|
# define NSGETMODULE_COMPONENTS_COUNT(_name) _name##_NSGM_comp_count
|
|
#else
|
|
# define NSGETMODULE_ENTRY_POINT(_name) NSGetModule
|
|
# define NSGETMODULE_COMPONENTS(_name) NSGetModule_components
|
|
# define NSGETMODULE_COMPONENTS_COUNT(_name) NSGetModule_components_count
|
|
#endif
|
|
|
|
#define NS_IMPL_NSGETMODULE(_name, _components) \
|
|
NS_IMPL_NSGETMODULE_WITH_DTOR(_name, _components, nsnull)
|
|
|
|
#define NS_IMPL_NSGETMODULE_WITH_DTOR(_name, _components, _dtor) \
|
|
\
|
|
PRUint32 \
|
|
NSGETMODULE_COMPONENTS_COUNT(_name) = \
|
|
sizeof(_components) / sizeof(_components[0]); \
|
|
\
|
|
\
|
|
nsModuleComponentInfo* NSGETMODULE_COMPONENTS(_name) = (_components); \
|
|
\
|
|
extern "C" NS_EXPORT nsresult \
|
|
NSGETMODULE_ENTRY_POINT(_name) (nsIComponentManager *servMgr, \
|
|
nsIFile* location, \
|
|
nsIModule** result) \
|
|
{ \
|
|
return NS_NewGenericModule((#_name), \
|
|
NSGETMODULE_COMPONENTS_COUNT(_name), \
|
|
NSGETMODULE_COMPONENTS(_name), \
|
|
_dtor, result); \
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define NS_GENERIC_FACTORY_CONSTRUCTOR(_InstanceClass) \
|
|
static NS_IMETHODIMP \
|
|
_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, void **aResult) \
|
|
{ \
|
|
nsresult rv; \
|
|
\
|
|
_InstanceClass * inst; \
|
|
\
|
|
if (NULL == aResult) { \
|
|
rv = NS_ERROR_NULL_POINTER; \
|
|
return rv; \
|
|
} \
|
|
*aResult = NULL; \
|
|
if (NULL != aOuter) { \
|
|
rv = NS_ERROR_NO_AGGREGATION; \
|
|
return rv; \
|
|
} \
|
|
\
|
|
NS_NEWXPCOM(inst, _InstanceClass); \
|
|
if (NULL == inst) { \
|
|
rv = NS_ERROR_OUT_OF_MEMORY; \
|
|
return rv; \
|
|
} \
|
|
NS_ADDREF(inst); \
|
|
rv = inst->QueryInterface(aIID, aResult); \
|
|
NS_RELEASE(inst); \
|
|
\
|
|
return rv; \
|
|
} \
|
|
|
|
|
|
#define NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(_InstanceClass, _InitMethod) \
|
|
static NS_IMETHODIMP \
|
|
_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, void **aResult) \
|
|
{ \
|
|
nsresult rv; \
|
|
\
|
|
_InstanceClass * inst; \
|
|
\
|
|
if (NULL == aResult) { \
|
|
rv = NS_ERROR_NULL_POINTER; \
|
|
return rv; \
|
|
} \
|
|
*aResult = NULL; \
|
|
if (NULL != aOuter) { \
|
|
rv = NS_ERROR_NO_AGGREGATION; \
|
|
return rv; \
|
|
} \
|
|
\
|
|
NS_NEWXPCOM(inst, _InstanceClass); \
|
|
if (NULL == inst) { \
|
|
rv = NS_ERROR_OUT_OF_MEMORY; \
|
|
return rv; \
|
|
} \
|
|
NS_ADDREF(inst); \
|
|
rv = inst->_InitMethod(); \
|
|
if(NS_SUCCEEDED(rv)) { \
|
|
rv = inst->QueryInterface(aIID, aResult); \
|
|
} \
|
|
NS_RELEASE(inst); \
|
|
\
|
|
return rv; \
|
|
} \
|
|
|
|
// 'Constructor' that uses an existing getter function that gets a singleton.
|
|
// NOTE: assumes that getter does an AddRef - so additional AddRef is not done.
|
|
#define NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(_InstanceClass, _GetterProc) \
|
|
static NS_IMETHODIMP \
|
|
_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, void **aResult) \
|
|
{ \
|
|
nsresult rv; \
|
|
\
|
|
_InstanceClass * inst; \
|
|
\
|
|
if (NULL == aResult) { \
|
|
rv = NS_ERROR_NULL_POINTER; \
|
|
return rv; \
|
|
} \
|
|
*aResult = NULL; \
|
|
if (NULL != aOuter) { \
|
|
rv = NS_ERROR_NO_AGGREGATION; \
|
|
return rv; \
|
|
} \
|
|
\
|
|
inst = _GetterProc(); \
|
|
if (NULL == inst) { \
|
|
rv = NS_ERROR_OUT_OF_MEMORY; \
|
|
return rv; \
|
|
} \
|
|
/* NS_ADDREF(inst); */ \
|
|
rv = inst->QueryInterface(aIID, aResult); \
|
|
NS_RELEASE(inst); \
|
|
\
|
|
return rv; \
|
|
} \
|
|
|
|
#endif /* nsIGenericFactory_h___ */
|