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remove useless nsIModule paste (#22922), add debug() for JS components, use categories for component loaders, XPCONNECT_STANDALONE (#39875), r=dp,waterson a=brendan

This commit is contained in:
shaver%mozilla.org 2000-05-26 04:56:23 +00:00
Родитель e30dbd6a29
Коммит ee8d2a82fe
6 изменённых файлов: 241 добавлений и 344 удалений
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311
js/src/xpconnect/loader/mozJSComponentLoader.cpp
Просмотреть файл

@ -23,15 +23,17 @@
*/
#include "prlog.h"
#include "nsCOMPtr.h"
#include "nsICategoryManager.h"
#include "nsIComponentLoader.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsCOMPtr.h"
#include "nsISupports.h"
#include "nsIModule.h"
#include "nsILocalFile.h"
#include "mozJSComponentLoader.h"
#include "nsIGenericFactory.h"
#include "nsILocalFile.h"
#include "nsIModule.h"
#include "nsIServiceManager.h"
#include "nsISupports.h"
#include "mozJSComponentLoader.h"
#include "nsIJSRuntimeService.h"
#include "nsIJSContextStack.h"
#include "nsIXPConnect.h"
@ -39,8 +41,10 @@
#include "nsIAllocator.h"
#include "nsIRegistry.h"
#include "nsXPIDLString.h"
#include "nsIScriptSecurityManager.h"
#include "nsIObserverService.h"
#ifndef XPCONNECT_STANDALONE
#include "nsIScriptSecurityManager.h"
#endif
// For reporting errors with the console service
#include "nsIScriptError.h"
@ -88,8 +92,19 @@ Dump(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
return JS_TRUE;
}
static JSBool
Debug(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
#ifdef DEBUG
return Dump(cx, obj, argc, argv, rval);
#else
return JS_TRUE;
#endif
}
static JSFunctionSpec gGlobalFun[] = {
{"dump", Dump, 1 },
{"debug", Debug, 1 },
{0}
};
@ -105,6 +120,7 @@ mozJSComponentLoader::mozJSComponentLoader()
mRuntime(nsnull),
mContext(nsnull),
mCompMgrWrapper(nsnull),
mSeasonPass(nsnull),
mModules(nsnull),
mGlobals(nsnull),
mXPCOMKey(0),
@ -151,6 +167,8 @@ mozJSComponentLoader::~mozJSComponentLoader()
mGlobals = nsnull;
JS_RemoveRoot(mContext, &mSuperGlobal);
JS_RemoveRoot(mContext, &mCompMgrWrapper);
JS_RemoveRoot(mContext, &mSeasonPass);
mCompMgrWrapper = nsnull; // release wrapper so GC can release CM
JS_DestroyContext(mContext);
@ -306,10 +324,11 @@ mozJSComponentLoader::ReallyInit()
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIXPConnectJSObjectHolder> wrappedCM;
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
rv = mXPC->WrapNative(mContext, mSuperGlobal, mCompMgr,
NS_GET_IID(nsIComponentManager),
getter_AddRefs(wrappedCM));
getter_AddRefs(holder));
if (NS_FAILED(rv)) {
#ifdef DEBUG_shaver
fprintf(stderr, "WrapNative(%p,%p,nsIComponentManager) failed: %x\n",
@ -327,6 +346,11 @@ mozJSComponentLoader::ReallyInit()
}
JS_SetErrorReporter(mContext, Reporter);
#ifdef shaver_not_yet
nsCOMPtr<nsIScriptObjectPrincipal> seasonPass =
new mozSeasonPass();
#endif
mModules = PL_NewHashTable(16, PL_HashString, PL_CompareStrings,
PL_CompareValues, 0, 0);
if (!mModules)
@ -344,6 +368,7 @@ mozJSComponentLoader::ReallyInit()
/* root last, so that we don't leak the roots in case of failure */
JS_AddNamedRoot(mContext, &mSuperGlobal, "mJCL::mSuperGlobal");
JS_AddNamedRoot(mContext, &mCompMgrWrapper, "mJCL::mCompMgrWrapper");
JS_AddNamedRoot(mContext, &mSeasonPass, "mJCL::mSeasonPass");
return NS_OK;
}
@ -883,6 +908,8 @@ mozJSComponentLoader::GlobalForLocation(const char *aLocation,
return nsnull;
nsresult rv;
JSPrincipals* jsPrincipals = nsnull;
#ifndef XPCONNECT_STANDALONE
NS_WITH_SERVICE(nsIScriptSecurityManager, secman, NS_SCRIPTSECURITYMANAGER_PROGID, &rv);
if(NS_FAILED(rv) || !secman)
return nsnull;
@ -892,12 +919,13 @@ mozJSComponentLoader::GlobalForLocation(const char *aLocation,
if(NS_FAILED(rv) || !iPrincipals)
return nsnull;
JSPrincipals* jsPrincipals;
rv = iPrincipals->GetJSPrincipals(&jsPrincipals);
if(NS_FAILED(rv) || !jsPrincipals)
return nsnull;
#endif /* XPCONNECT_STANDALONE */
obj = JS_NewObject(mContext, &gGlobalClass, mSuperGlobal, NULL);
if (!obj)
return nsnull;
@ -1010,230 +1038,49 @@ mozJSComponentLoader::UnloadAll(PRInt32 aWhen)
//----------------------------------------------------------------------
NS_GENERIC_FACTORY_CONSTRUCTOR(mozJSComponentLoader)
/* XXX this should all be data-driven, via NS_IMPL_GETMODULE_WITH_CATEGORIES */
static nsresult
RegisterJSLoader(nsIComponentManager *aCompMgr, nsIFile *aPath,
const char *registryLocation, const char *componentType)
{
nsresult rv;
nsCOMPtr<nsICategoryManager> catman =
do_GetService(NS_CATEGORYMANAGER_PROGID, &rv);
if (NS_FAILED(rv)) return rv;
nsXPIDLCString previous;
return catman->AddCategoryEntry("component-loader", jsComponentTypeName,
mozJSComponentLoaderProgID,
PR_TRUE, PR_TRUE, getter_Copies(previous));
}
static nsresult
UnregisterJSLoader(nsIComponentManager *aCompMgr, nsIFile *aPath,
const char *registryLocation)
{
nsresult rv;
nsCOMPtr<nsICategoryManager> catman =
do_GetService(NS_CATEGORYMANAGER_PROGID, &rv);
if (NS_FAILED(rv)) return rv;
nsXPIDLCString jsLoader;
rv = catman->GetCategoryEntry("component-loader", jsComponentTypeName,
getter_Copies(jsLoader));
if (NS_FAILED(rv)) return rv;
// only unregister if we're the current JS component loader
if (!strcmp(jsLoader, mozJSComponentLoaderProgID)) {
return catman->DeleteCategoryEntry("component-loader",
jsComponentTypeName, PR_TRUE,
getter_Copies(jsLoader));
}
return NS_OK;
}
NS_GENERIC_FACTORY_CONSTRUCTOR(mozJSComponentLoader);
static nsModuleComponentInfo components[] = {
{ "JS component loader", MOZJSCOMPONENTLOADER_CID,
mozJSComponentLoaderProgID, mozJSComponentLoaderConstructor }
mozJSComponentLoaderProgID, mozJSComponentLoaderConstructor,
RegisterJSLoader, UnregisterJSLoader }
};
/*
* I would really like to just subclass nsGenericModule here, but I can't
* because nsGenericFactory.h isn't exported. If that ever changes, we
* only need custom behaviour in the RegisterSelf case, so a simple overriding
* of that method would be sufficient, and much smaller.
*
* Instead, we have nutso copy-and-paste here.
*/
#include "nsHashtable.h"
class mozJSModule : public nsIModule
{
public:
mozJSModule(const char *moduleName, PRUint32 componentCount,
nsModuleComponentInfo *components);
virtual ~mozJSModule();
NS_DECL_ISUPPORTS
NS_DECL_NSIMODULE
protected:
nsresult Initialize();
void Shutdown();
PRBool mInitialized;
const char* mModuleName;
PRUint32 mComponentCount;
nsModuleComponentInfo* mComponents;
nsSupportsHashtable mFactories;
};
mozJSModule::mozJSModule(const char* moduleName, PRUint32 componentCount,
nsModuleComponentInfo* aComponents)
: mInitialized(PR_FALSE),
mModuleName(moduleName),
mComponentCount(componentCount),
mComponents(aComponents),
mFactories(8, PR_FALSE)
{
NS_INIT_ISUPPORTS();
}
mozJSModule::~mozJSModule()
{
Shutdown();
}
NS_IMPL_ISUPPORTS1(mozJSModule, nsIModule)
// Perform our one-time intialization for this module
nsresult
mozJSModule::Initialize()
{
if (mInitialized) {
return NS_OK;
}
mInitialized = PR_TRUE;
return NS_OK;
}
// Shutdown this module, releasing all of the module resources
void
mozJSModule::Shutdown()
{
// Release the factory objects
mFactories.Reset();
}
// Create a factory object for creating instances of aClass.
NS_IMETHODIMP
mozJSModule::GetClassObject(nsIComponentManager *aCompMgr,
const nsCID& aClass,
const nsIID& aIID,
void** r_classObj)
{
nsresult rv;
// Defensive programming: Initialize *r_classObj in case of error below
if (!r_classObj) {
return NS_ERROR_INVALID_POINTER;
}
*r_classObj = NULL;
// Do one-time-only initialization if necessary
if (!mInitialized) {
rv = Initialize();
if (NS_FAILED(rv)) {
// Initialization failed! yikes!
return rv;
}
}
// Choose the appropriate factory, based on the desired instance
// class type (aClass).
nsIDKey key(aClass);
nsCOMPtr<nsIGenericFactory> fact = getter_AddRefs(NS_REINTERPRET_CAST(nsIGenericFactory *, mFactories.Get(&key)));
if (fact == nsnull) {
nsModuleComponentInfo* desc = mComponents;
for (PRUint32 i = 0; i < mComponentCount; i++) {
if (desc->mCID.Equals(aClass)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), desc->mConstructor);
if (NS_FAILED(rv)) return rv;
(void)mFactories.Put(&key, fact);
goto found;
}
desc++;
}
// not found in descriptions
#ifdef DEBUG
char* cs = aClass.ToString();
printf("+++ nsGenericModule %s: unable to create factory for %s\n", mModuleName, cs);
nsCRT::free(cs);
#endif
// XXX put in stop-gap so that we don't search for this one again
return NS_ERROR_FACTORY_NOT_REGISTERED;
}
found:
rv = fact->QueryInterface(aIID, r_classObj);
return rv;
}
NS_IMETHODIMP
mozJSModule::RegisterSelf(nsIComponentManager *aCompMgr,
nsIFile* aPath,
const char* registryLocation,
const char* componentType)
{
nsresult rv = NS_OK;
#ifdef DEBUG
printf("*** Registering %s components (all right -- an almost-generic module!)\n", mModuleName);
#endif
nsModuleComponentInfo* cp = mComponents;
for (PRUint32 i = 0; i < mComponentCount; i++) {
rv = aCompMgr->RegisterComponentSpec(cp->mCID, cp->mDescription,
cp->mProgID, aPath, PR_TRUE,
PR_TRUE);
if (NS_FAILED(rv)) {
#ifdef DEBUG
printf("nsGenericModule %s: unable to register %s component => %x\n",
mModuleName, cp->mDescription, rv);
#endif
break;
}
cp++;
}
return aCompMgr->RegisterComponentLoader(jsComponentTypeName,
mozJSComponentLoaderProgID,
PR_TRUE);
}
NS_IMETHODIMP
mozJSModule::UnregisterSelf(nsIComponentManager* aCompMgr,
nsIFile* aPath,
const char* registryLocation)
{
#ifdef DEBUG
printf("*** Unregistering %s components (all right -- an almost-generic module!)\n", mModuleName);
#endif
nsModuleComponentInfo* cp = mComponents;
for (PRUint32 i = 0; i < mComponentCount; i++) {
nsresult rv = aCompMgr->UnregisterComponentSpec(cp->mCID, aPath);
if (NS_FAILED(rv)) {
#ifdef DEBUG
printf("nsGenericModule %s: unable to unregister %s component => %x\n",
mModuleName, cp->mDescription, rv);
#endif
}
cp++;
}
return NS_OK;
}
NS_IMETHODIMP
mozJSModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
{
if (!okToUnload) {
return NS_ERROR_INVALID_POINTER;
}
*okToUnload = PR_FALSE;
return NS_ERROR_FAILURE;
}
NS_EXPORT nsresult
NS_NewJSModule(const char* moduleName,
PRUint32 componentCount,
nsModuleComponentInfo* aComponents,
nsIModule* *result)
{
nsresult rv = NS_OK;
NS_ASSERTION(result, "Null argument");
// Create and initialize the module instance
mozJSModule *m = new mozJSModule(moduleName, componentCount, aComponents);
if (!m) {
return NS_ERROR_OUT_OF_MEMORY;
}
// Increase refcnt and store away nsIModule interface to m in return_cobj
rv = m->QueryInterface(NS_GET_IID(nsIModule), (void**)result);
if (NS_FAILED(rv)) {
delete m;
m = nsnull;
}
return rv;
}
extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *compMgr,
nsIFile *location,
nsIModule** result)
{
return NS_NewJSModule("mozJSComponentLoader",
sizeof(components) / sizeof(components[0]),
components, result);
}
NS_IMPL_NSGETMODULE("JS component loader", components);

1
js/src/xpconnect/loader/mozJSComponentLoader.h
Просмотреть файл

@ -68,6 +68,7 @@ public:
JSRuntime *mRuntime;
JSContext *mContext;
JSObject *mCompMgrWrapper;
JSObject *mSeasonPass; // holds system principal atop the scope chain
PLHashTable *mModules;
PLHashTable *mGlobals;

183
xpcom/components/nsComponentManager.cpp
Просмотреть файл

@ -43,6 +43,7 @@
#include "nsCOMPtr.h"
#include "nsComponentManager.h"
#include "nsIServiceManager.h"
#include "nsICategoryManager.h"
#include "nsCRT.h"
#include "nsIEnumerator.h"
#include "nsIModule.h"
@ -152,6 +153,47 @@ nsCreateInstanceByProgID::operator()( const nsIID& aIID, void** aInstancePtr ) c
return status;
}
nsresult
nsCreateInstanceFromCategory::operator()( const nsIID& aIID,
void** aInstancePtr ) const
{
/*
* If I were a real man, I would consolidate this with
* nsGetServiceFromProgID::operator().
*/
nsresult status;
nsXPIDLCString value;
nsCOMPtr<nsICategoryManager> catman =
do_GetService(NS_CATEGORYMANAGER_PROGID, &status);
if (NS_FAILED(status)) goto error;
if (!mCategory || !mEntry) {
// when categories have defaults, use that for null mEntry
status = NS_ERROR_NULL_POINTER;
goto error;
}
/* find the progID for category.entry */
status = catman->GetCategoryEntry(mCategory, mEntry,
getter_Copies(value));
if (NS_FAILED(status)) goto error;
if (!value) {
status = NS_ERROR_SERVICE_NOT_FOUND;
goto error;
}
status = nsComponentManager::CreateInstance(value, mOuter, aIID,
aInstancePtr);
error:
if (NS_FAILED(status)) {
*aInstancePtr = 0;
}
*mErrorPtr = status;
return status;
}
/* prototypes for the Mac */
PRBool PR_CALLBACK
nsFactoryEntry_Destroy(nsHashKey *aKey, void *aData, void* closure);
@ -446,9 +488,6 @@ nsComponentManagerImpl::PlatformInit(void)
rv = mRegistry->AddSubtree(xpcomRoot, classIDKeyName, &mCLSIDKey);
if (NS_FAILED(rv)) return rv;
rv = mRegistry->AddSubtree(xpcomRoot, componentLoadersKeyName, &mLoadersKey);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIProperties> directoryService;
rv = nsDirectoryService::Create(nsnull,
NS_GET_IID(nsIProperties),
@ -1636,64 +1675,30 @@ nsComponentManagerImpl::GetLoaderForType(const char *aType,
nsIComponentLoader **aLoader)
{
nsStringKey typeKey(aType);
nsIComponentLoader *loader;
nsresult rv;
loader = (nsIComponentLoader *)mLoaders->Get(&typeKey);
nsCOMPtr<nsIComponentLoader> loader;
loader = NS_STATIC_CAST(nsIComponentLoader *, mLoaders->Get(&typeKey));
if (loader) {
// nsSupportsHashtable does the AddRef
*aLoader = loader;
return NS_OK;
// nsSupportsHashtable does the AddRef
*aLoader = loader;
return NS_OK;
}
nsRegistryKey loaderKey;
rv = mRegistry->GetSubtreeRaw(mLoadersKey, aType, &loaderKey);
loader = do_GetServiceFromCategory("component-loader", aType, &rv);
if (NS_FAILED(rv))
return rv;
char *progID;
rv = mRegistry->GetStringUTF8(loaderKey, progIDValueName, &progID);
if (NS_FAILED(rv))
return rv;
#ifdef DEBUG_shaver_off
fprintf(stderr, "nCMI: constructing loader for type %s = %s\n", aType, progID);
#endif
rv = CreateInstanceByProgID(progID, nsnull, NS_GET_IID(nsIComponentLoader), (void **)&loader);
PR_FREEIF(progID);
if (NS_FAILED(rv))
return rv;
rv = loader->Init(this, mRegistry);
if (NS_SUCCEEDED(rv)) {
mLoaders->Put(&typeKey, loader);
*aLoader = loader;
mLoaders->Put(&typeKey, loader);
*aLoader = loader;
NS_ADDREF(*aLoader);
}
return rv;
}
nsresult
nsComponentManagerImpl::RegisterComponentLoader(const char *aType, const char *aProgID,
PRBool aReplace)
{
nsRegistryKey loaderKey;
nsresult rv = mRegistry->AddSubtreeRaw(mLoadersKey, aType, &loaderKey);
if (NS_FAILED(rv))
return rv;
/* XXX honour aReplace */
rv = mRegistry->SetStringUTF8(loaderKey, progIDValueName, aProgID);
#ifdef DEBUG_shaver_off
fprintf(stderr, "nNCI: registered %s as component loader for %s\n",
aProgID, aType);
#endif
return rv;
}
nsresult
nsComponentManagerImpl::AddComponentToRegistry(const nsCID &aClass,
const char *aClassName,
@ -2031,65 +2036,51 @@ nsComponentManagerImpl::AutoRegister(PRInt32 when, nsIFile *inDirSpec)
}
rv = iim->AutoRegisterInterfaces();
if (NS_FAILED(rv))
return rv;
if (NS_FAILED(rv)) return rv;
if (NS_SUCCEEDED(rv))
{
/* do the native loader first, so we can find other loaders */
rv = mNativeComponentLoader->AutoRegisterComponents((PRInt32)when, dir);
}
/* do the native loader first, so we can find other loaders */
rv = mNativeComponentLoader->AutoRegisterComponents((PRInt32)when, dir);
nsCOMPtr<nsIEnumerator> loaderEnum;
if (NS_SUCCEEDED(rv))
{
/* XXX eagerly instantiate all known loaders */
rv = mRegistry->EnumerateSubtrees(mLoadersKey, getter_AddRefs(loaderEnum));
}
nsCOMPtr<nsICategoryManager> catman =
do_GetService(NS_CATEGORYMANAGER_PROGID, &rv);
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIRegistryEnumerator> regEnum;
if (NS_SUCCEEDED(rv))
{
regEnum = do_QueryInterface(loaderEnum, &rv);
}
struct AutoReg_closure closure;
if (NS_SUCCEEDED(rv))
{
for (rv = regEnum->First();
NS_SUCCEEDED(rv) && (regEnum->IsDone() != NS_OK);
rv = regEnum->Next()) {
const char * type;
nsRegistryKey throwAway;
/*
* CurrentItemInPlaceUTF8 will give us back a _shared_ pointer in
* type. This is bad XPCOM practice. It is evil, and requires
* great care with the relative lifetimes of type and regEnum.
*
* It is also faster, and less painful in the allocation department.
*/
rv = regEnum->CurrentItemInPlaceUTF8(&throwAway, &type);
if (NS_FAILED(rv))
continue;
nsCOMPtr<nsIComponentLoader> loader;
/* this will create it if we haven't already */
GetLoaderForType(type, getter_AddRefs(loader));
nsCOMPtr<nsISimpleEnumerator> loaderEnum;
rv = catman->EnumerateCategory("component-loader",
getter_AddRefs(loaderEnum));
if (NS_FAILED(rv)) return rv;
PRBool hasMore;
while (NS_SUCCEEDED(loaderEnum->HasMoreElements(&hasMore)) && hasMore) {
nsCOMPtr<nsISupports> supports;
if (NS_FAILED(loaderEnum->GetNext(getter_AddRefs(supports))))
continue;
}
/* iterate over all known loaders and ask them to autoregister. */
/* XXX convert when to nsIComponentLoader::(when) properly */
closure.when = when;
closure.spec = dir.get();
closure.status = NS_OK;
closure.native = mNativeComponentLoader; // prevent duplicate autoreg
nsCOMPtr<nsISupportsString> supStr = do_QueryInterface(supports);
if (!supStr)
continue;
mLoaders->Enumerate(AutoRegister_enumerate, &closure);
rv = closure.status;
nsXPIDLCString loaderType;
if (NS_FAILED(supStr->GetData(getter_Copies(loaderType))))
continue;
nsCOMPtr<nsIComponentLoader> loader;
/* this will create it if we haven't already */
GetLoaderForType(loaderType, getter_AddRefs(loader));
}
/* iterate over all known loaders and ask them to autoregister. */
/* XXX convert when to nsIComponentLoader::(when) properly */
struct AutoReg_closure closure;
closure.when = when;
closure.spec = dir.get();
closure.status = NS_OK;
closure.native = mNativeComponentLoader; // prevent duplicate autoreg
mLoaders->Enumerate(AutoRegister_enumerate, &closure);
rv = closure.status;
if (NS_SUCCEEDED(rv))
{
do {

37
xpcom/components/nsComponentManagerUtils.h
Просмотреть файл

@ -216,6 +216,27 @@ class NS_COM nsCreateInstanceByProgID : public nsCOMPtr_helper
nsresult* mErrorPtr;
};
class NS_COM nsCreateInstanceFromCategory : public nsCOMPtr_helper
{
public:
nsCreateInstanceFromCategory(const char *aCategory, const char *aEntry,
nsISupports *aOuter, nsresult *aErrorPtr)
: mCategory(aCategory),
mEntry(aEntry),
mErrorPtr(aErrorPtr)
{
// nothing else to do;
}
virtual nsresult operator()( const nsIID&, void** ) const;
virtual ~nsCreateInstanceFromCategory() {};
private:
const char *mCategory;
const char *mEntry;
nsISupports *mOuter;
nsresult *mErrorPtr;
};
inline
const nsCreateInstanceByCID
do_CreateInstance( const nsCID& aCID, nsresult* error = 0 )
@ -244,6 +265,22 @@ do_CreateInstance( const char* aProgID, nsISupports* aOuter, nsresult* error = 0
return nsCreateInstanceByProgID(aProgID, aOuter, error);
}
inline
const nsCreateInstanceFromCategory
do_CreateInstanceFromCategory( const char *aCategory, const char *aEntry,
nsresult *aErrorPtr = 0)
{
return nsCreateInstanceFromCategory(aCategory, aEntry, 0, aErrorPtr);
}
inline
const nsCreateInstanceFromCategory
do_CreateInstanceFromCategory( const char *aCategory, const char *aEntry,
nsISupports *aOuter, nsresult *aErrorPtr = 0)
{
return nsCreateInstanceFromCategory(aCategory, aEntry, aOuter, aErrorPtr);
}
/* keys for registry use */
extern const char xpcomKeyName[];
extern const char xpcomComponentsKeyName[];

16
xpcom/components/nsIComponentManager.idl
Просмотреть файл

@ -134,22 +134,6 @@ interface nsIComponentManager : nsISupports
in string aProgID, in nsIFactory aFactory,
in boolean aReplace);
/**
* registerComponentLoader
*
* Register a ProgID whose CID will be the loader for component type
* aType. When creating instances of this component type, module loading
* and factory creation is delegated to the component loader.
*
* @param aType : Component Type for which the loader progid is being
* registered.
* @param aProgID : ProgID of object that will be the loader for aType
* @param aReplace : Boolean that indicates whether to replace a previous
* loader registration for aType.
*/
void registerComponentLoader(in string aType, in string aProgID,
in boolean aReplace);
/**
* registerComponent
*

37
xpcom/glue/nsComponentManagerUtils.h
Просмотреть файл

@ -216,6 +216,27 @@ class NS_COM nsCreateInstanceByProgID : public nsCOMPtr_helper
nsresult* mErrorPtr;
};
class NS_COM nsCreateInstanceFromCategory : public nsCOMPtr_helper
{
public:
nsCreateInstanceFromCategory(const char *aCategory, const char *aEntry,
nsISupports *aOuter, nsresult *aErrorPtr)
: mCategory(aCategory),
mEntry(aEntry),
mErrorPtr(aErrorPtr)
{
// nothing else to do;
}
virtual nsresult operator()( const nsIID&, void** ) const;
virtual ~nsCreateInstanceFromCategory() {};
private:
const char *mCategory;
const char *mEntry;
nsISupports *mOuter;
nsresult *mErrorPtr;
};
inline
const nsCreateInstanceByCID
do_CreateInstance( const nsCID& aCID, nsresult* error = 0 )
@ -244,6 +265,22 @@ do_CreateInstance( const char* aProgID, nsISupports* aOuter, nsresult* error = 0
return nsCreateInstanceByProgID(aProgID, aOuter, error);
}
inline
const nsCreateInstanceFromCategory
do_CreateInstanceFromCategory( const char *aCategory, const char *aEntry,
nsresult *aErrorPtr = 0)
{
return nsCreateInstanceFromCategory(aCategory, aEntry, 0, aErrorPtr);
}
inline
const nsCreateInstanceFromCategory
do_CreateInstanceFromCategory( const char *aCategory, const char *aEntry,
nsISupports *aOuter, nsresult *aErrorPtr = 0)
{
return nsCreateInstanceFromCategory(aCategory, aEntry, aOuter, aErrorPtr);
}
/* keys for registry use */
extern const char xpcomKeyName[];
extern const char xpcomComponentsKeyName[];