зеркало из https://github.com/mozilla/pjs.git
275 строки
14 KiB
C++
275 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:
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IGENERICFACTORY_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 *aRegistryLocation,
|
|
const char *aComponentType,
|
|
const nsModuleComponentInfo *aInfo);
|
|
|
|
typedef NS_CALLBACK(NSUnregisterSelfProcPtr)(nsIComponentManager *aCompMgr,
|
|
nsIFile *aPath,
|
|
const char *aRegistryLocation,
|
|
const nsModuleComponentInfo *aInfo);
|
|
|
|
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 nsresult (PR_CALLBACK *nsModuleConstructorProc) (nsIModule *self);
|
|
typedef void (PR_CALLBACK *nsModuleDestructorProc) (nsIModule *self);
|
|
|
|
/**
|
|
* Use this structure to define meta-information about the module
|
|
* itself, including the name, its components, and an optional
|
|
* module-level initialization or shutdown routine.
|
|
*/
|
|
struct nsModuleInfo {
|
|
PRUint32 mVersion;
|
|
const char* mModuleName;
|
|
nsModuleComponentInfo* mComponents;
|
|
PRUint32 mCount;
|
|
nsModuleConstructorProc mCtor;
|
|
nsModuleDestructorProc mDtor;
|
|
};
|
|
|
|
/**
|
|
* Rev this if you change the nsModuleInfo, and are worried about
|
|
* binary compatibility. (Ostensibly fix NS_NewGenericModule2() to deal
|
|
* with older rev's at the same time.)
|
|
*/
|
|
#define NS_MODULEINFO_VERSION 0x00010000UL // 1.0
|
|
|
|
/**
|
|
* Create a new generic module. Use the NS_IMPL_NSGETMODULE macro, or
|
|
* one of its relatives, rather than using this directly.
|
|
*/
|
|
extern NS_COM nsresult
|
|
NS_NewGenericModule2(nsModuleInfo *info, nsIModule* *result);
|
|
|
|
/**
|
|
* Obsolete. Use NS_NewGenericModule2() instead.
|
|
*/
|
|
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 NSMODULEINFO(_name) _name##_gModuleInfo
|
|
# define NSGETMODULE_ENTRY_POINT(_info)
|
|
#else
|
|
# define NSMODULEINFO(_name) gModuleInfo
|
|
# define NSGETMODULE_ENTRY_POINT(_info) \
|
|
extern "C" NS_EXPORT nsresult \
|
|
NSGetModule(nsIComponentManager *servMgr, \
|
|
nsIFile* location, \
|
|
nsIModule** result) \
|
|
{ \
|
|
return NS_NewGenericModule2(&(_info), result); \
|
|
}
|
|
#endif
|
|
|
|
#define NS_IMPL_NSGETMODULE(_name, _components) \
|
|
NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, nsnull, nsnull)
|
|
|
|
#define NS_IMPL_NSGETMODULE_WITH_CTOR(_name, _components, _ctor) \
|
|
NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, _ctor, nsnull)
|
|
|
|
#define NS_IMPL_NSGETMODULE_WITH_DTOR(_name, _components, _dtor) \
|
|
NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, nsnull, _dtor)
|
|
|
|
#define NS_IMPL_NSGETMODULE_WITH_CTOR_DTOR(_name, _components, _ctor, _dtor) \
|
|
nsModuleInfo NSMODULEINFO(_name) = { \
|
|
NS_MODULEINFO_VERSION, \
|
|
(#_name), \
|
|
(_components), \
|
|
(sizeof(_components) / sizeof(_components[0])), \
|
|
(_ctor), \
|
|
(_dtor) \
|
|
}; \
|
|
NSGETMODULE_ENTRY_POINT(NSMODULEINFO(_name))
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define NS_GENERIC_FACTORY_CONSTRUCTOR(_InstanceClass) \
|
|
static NS_IMETHODIMP \
|
|
_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \
|
|
void **aResult) \
|
|
{ \
|
|
nsresult rv; \
|
|
\
|
|
_InstanceClass * inst; \
|
|
\
|
|
*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; \
|
|
\
|
|
*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; \
|
|
\
|
|
*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___ */
|