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265
intl/uconv/src/nsUConvModule.cpp
Normal file
265
intl/uconv/src/nsUConvModule.cpp
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@ -0,0 +1,265 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (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.
|
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsCOMPtr.h"
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#include "nsIModule.h"
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#include "nsIGenericFactory.h"
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#include "nsIComponentManager.h"
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#include "nsICharsetConverterManager.h"
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#include "nsIUnicodeDecodeHelper.h"
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#include "nsIUnicodeEncodeHelper.h"
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#include "nsIPlatformCharset.h"
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#include "nsICharsetAlias.h"
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#include "nsITextToSubURI.h"
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#include "nsIServiceManager.h"
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#include "nsCharsetMenu.h"
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#include "rdf.h"
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#include "nsUConvDll.h"
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//----------------------------------------------------------------------
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// Global functions and data [declaration]
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
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static NS_DEFINE_CID(kCharsetMenuCID, NS_CHARSETMENU_CID);
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static NS_DEFINE_CID(kTextToSubURICID, NS_TEXTTOSUBURI_CID);
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PRInt32 g_InstanceCount = 0;
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PRInt32 g_LockCount = 0;
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//----------------------------------------------------------------------
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class nsUConvModule : public nsIModule {
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public:
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nsUConvModule();
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virtual ~nsUConvModule();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMODULE
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nsresult Initialize();
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protected:
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void Shutdown();
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PRBool mInitialized;
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};
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static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
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nsUConvModule::nsUConvModule()
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: mInitialized(PR_FALSE)
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{
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NS_INIT_ISUPPORTS();
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}
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nsUConvModule::~nsUConvModule()
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{
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Shutdown();
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}
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NS_IMPL_ISUPPORTS(nsUConvModule, kIModuleIID)
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nsresult
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nsUConvModule::Initialize()
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{
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return NS_OK;
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}
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void
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nsUConvModule::Shutdown()
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{
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}
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NS_IMETHODIMP
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nsUConvModule::GetClassObject(nsIComponentManager *aCompMgr,
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const nsCID& aClass,
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const nsIID& aIID,
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void** r_classObj)
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{
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nsresult rv;
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// Defensive programming: Initialize *r_classObj in case of error below
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if (!r_classObj) {
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return NS_ERROR_INVALID_POINTER;
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}
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*r_classObj = NULL;
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if (!mInitialized) {
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rv = Initialize();
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if (NS_FAILED(rv)) {
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return rv;
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}
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mInitialized = PR_TRUE;
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}
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nsCOMPtr<nsIGenericFactory> fact;
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if (aClass.Equals(kCharsetConverterManagerCID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewCharsetConverterManager);
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}
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else if (aClass.Equals(kUnicodeDecodeHelperCID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewUnicodeDecodeHelper);
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}
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else if (aClass.Equals(kUnicodeEncodeHelperCID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewUnicodeEncodeHelper);
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}
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else if (aClass.Equals(kPlatformCharsetCID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewPlatformCharset);
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}
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else if (aClass.Equals(kCharsetAliasCID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewCharsetAlias);
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}
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else if (aClass.Equals(kCharsetMenuCID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewCharsetMenu);
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}
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else if (aClass.Equals(kTextToSubURICID)) {
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rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewTextToSubURI);
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}
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else {
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return NS_ERROR_FACTORY_NOT_REGISTERED;
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}
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if (fact) {
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rv = fact->QueryInterface(aIID, r_classObj);
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}
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return rv;
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}
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//----------------------------------------
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struct Components {
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const char* mDescription;
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const nsID* mCID;
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const char* mProgID;
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};
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// The list of components we register
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static Components gComponents[] = {
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{ "Charset Conversion Manager", &kCharsetConverterManagerCID,
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NS_CHARSETCONVERTERMANAGER_PROGID, },
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{ "Unicode Decode Helper", &kUnicodeDecodeHelperCID,
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NS_UNICODEDECODEHELPER_PROGID, },
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{ "Unicode Encode Helper", &kUnicodeEncodeHelperCID,
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NS_UNICODEENCODEHELPER_PROGID, },
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{ "Platform Charset Information", &kPlatformCharsetCID,
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NS_PLATFORMCHARSET_PROGID, },
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{ "Charset Alias Information", &kCharsetAliasCID,
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NS_CHARSETALIAS_PROGID, },
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{ NS_CHARSETMENU_PID, &kCharsetMenuCID,
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NS_RDF_DATASOURCE_PROGID_PREFIX NS_CHARSETMENU_PID, },
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{ "Text To Sub URI Helper", &kTextToSubURICID,
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NS_ITEXTTOSUBURI_PROGID, },
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};
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#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
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NS_IMETHODIMP
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nsUConvModule::RegisterSelf(nsIComponentManager *aCompMgr,
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nsIFileSpec* aPath,
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const char* registryLocation,
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const char* componentType)
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{
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nsresult rv = NS_OK;
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#ifdef DEBUG
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printf("*** Registering uconv components\n");
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#endif
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end) {
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rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
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cp->mProgID, aPath, PR_TRUE,
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PR_TRUE);
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if (NS_FAILED(rv)) {
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#ifdef DEBUG
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printf("nsUConvModule: unable to register %s component => %x\n",
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cp->mDescription, rv);
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#endif
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break;
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}
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cp++;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsUConvModule::UnregisterSelf(nsIComponentManager *aCompMgr,
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nsIFileSpec* aPath,
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const char* registryLocation)
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{
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#ifdef DEBUG
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printf("*** Unregistering uconv components\n");
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#endif
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Components* cp = gComponents;
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Components* end = cp + NUM_COMPONENTS;
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while (cp < end) {
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nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
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if (NS_FAILED(rv)) {
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#ifdef DEBUG
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printf("nsUConvModule: unable to unregister %s component => %x\n",
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cp->mDescription, rv);
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#endif
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}
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cp++;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsUConvModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
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{
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if (!okToUnload) {
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return NS_ERROR_INVALID_POINTER;
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}
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*okToUnload = PR_FALSE;
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return NS_ERROR_FAILURE;
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}
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//----------------------------------------------------------------------
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static nsUConvModule *gModule = NULL;
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extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
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nsIFileSpec* location,
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nsIModule** return_cobj)
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{
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nsresult rv = NS_OK;
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NS_ASSERTION(return_cobj, "Null argument");
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NS_ASSERTION(gModule == NULL, "nsUConvModule: Module already created.");
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// Create an initialize the layout module instance
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nsUConvModule *m = new nsUConvModule();
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if (!m) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// Increase refcnt and store away nsIModule interface to m in return_cobj
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rv = m->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
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if (NS_FAILED(rv)) {
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delete m;
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m = nsnull;
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}
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gModule = m; // WARNING: Weak Reference
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return rv;
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}
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271
xpcom/sample/nsSampleModule.cpp
Normal file
271
xpcom/sample/nsSampleModule.cpp
Normal file
@ -0,0 +1,271 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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||||
*
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||||
* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
||||
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
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||||
*
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||||
* The Initial Developer of this code under the NPL is Netscape
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||||
* Communications Corporation. Portions created by Netscape are
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||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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||||
* Reserved.
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||||
*/
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#include "nsCOMPtr.h"
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#include "nsIModule.h"
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#include "nsIGenericFactory.h"
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#include "nsISample.h"
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static NS_DEFINE_CID(kSampleCID, NS_SAMPLE_CID);
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// Module implementation for the sample library
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class nsSampleModule : public nsIModule
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{
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public:
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nsSampleModule();
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virtual ~nsSampleModule();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMODULE
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protected:
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nsresult Initialize();
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void Shutdown();
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PRBool mInitialized;
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nsCOMPtr<nsIGenericFactory> mFactory;
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};
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//----------------------------------------------------------------------
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// Functions used to create new instances of a given object by the
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// generic factory.
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||||
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#define MAKE_CTOR(_name) \
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static NS_IMETHODIMP \
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CreateNew##_name(nsISupports* aOuter, REFNSIID aIID, void **aResult) \
|
||||
{ \
|
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if (!aResult) { \
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return NS_ERROR_INVALID_POINTER; \
|
||||
} \
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if (aOuter) { \
|
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*aResult = nsnull; \
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return NS_ERROR_NO_AGGREGATION; \
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} \
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nsI##_name* inst; \
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nsresult rv = NS_New##_name(&inst); \
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if (NS_FAILED(rv)) { \
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*aResult = nsnull; \
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return rv; \
|
||||
} \
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rv = inst->QueryInterface(aIID, aResult); \
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if (NS_FAILED(rv)) { \
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*aResult = nsnull; \
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} \
|
||||
NS_RELEASE(inst); /* get rid of extra refcnt */ \
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||||
return rv; \
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}
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||||
MAKE_CTOR(Sample)
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||||
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||||
//----------------------------------------------------------------------
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||||
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static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
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||||
nsSampleModule::nsSampleModule()
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||||
: mInitialized(PR_FALSE)
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{
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NS_INIT_ISUPPORTS();
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}
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||||
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nsSampleModule::~nsSampleModule()
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{
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Shutdown();
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}
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NS_IMPL_ISUPPORTS(nsSampleModule, kIModuleIID)
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// Perform our one-time intialization for this module
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nsresult
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||||
nsSampleModule::Initialize()
|
||||
{
|
||||
if (mInitialized) {
|
||||
return NS_OK;
|
||||
}
|
||||
mInitialized = PR_TRUE;
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||||
|
||||
// Create and stash the factory object for creating new instances
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||||
// of Sample
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||||
nsresult rv;
|
||||
rv = NS_NewGenericFactory(getter_AddRefs(mFactory), CreateNewSample);
|
||||
return NS_OK;
|
||||
}
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||||
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||||
// Shutdown this module, releasing all of the module resources
|
||||
void
|
||||
nsSampleModule::Shutdown()
|
||||
{
|
||||
// Release the factory object
|
||||
mFactory = nsnull;
|
||||
}
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||||
|
||||
// Create a factory object for creating instances of aClass.
|
||||
NS_IMETHODIMP
|
||||
nsSampleModule::GetClassObject(nsIComponentManager *aCompMgr,
|
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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;
|
||||
}
|
||||
}
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||||
|
||||
// Choose the appropriate factory, based on the desired instance
|
||||
// class type (aClass).
|
||||
nsCOMPtr<nsIGenericFactory> fact;
|
||||
if (aClass.Equals(kSampleCID)) {
|
||||
fact = mFactory;
|
||||
}
|
||||
else {
|
||||
rv = NS_ERROR_FACTORY_NOT_REGISTERED;
|
||||
#ifdef DEBUG
|
||||
char* cs = aClass.ToString();
|
||||
printf("+++ nsSampleModule: unable to create factory for %s\n", cs);
|
||||
nsCRT::free(cs);
|
||||
#endif
|
||||
}
|
||||
|
||||
if (fact) {
|
||||
rv = fact->QueryInterface(aIID, r_classObj);
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
//----------------------------------------
|
||||
|
||||
struct Components {
|
||||
const char* mDescription;
|
||||
const nsID* mCID;
|
||||
const char* mProgID;
|
||||
};
|
||||
|
||||
// The list of components we register
|
||||
static Components gComponents[] = {
|
||||
{ "Sample World Component", &kSampleCID,
|
||||
"component://mozilla/sample/sample-world", },
|
||||
};
|
||||
#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsSampleModule::RegisterSelf(nsIComponentManager *aCompMgr,
|
||||
nsIFileSpec* aPath,
|
||||
const char* registryLocation,
|
||||
const char* componentType)
|
||||
{
|
||||
nsresult rv = NS_OK;
|
||||
|
||||
#ifdef DEBUG
|
||||
printf("*** Registering sample components\n");
|
||||
#endif
|
||||
|
||||
Components* cp = gComponents;
|
||||
Components* end = cp + NUM_COMPONENTS;
|
||||
while (cp < end) {
|
||||
rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
|
||||
cp->mProgID, aPath, PR_TRUE,
|
||||
PR_TRUE);
|
||||
if (NS_FAILED(rv)) {
|
||||
#ifdef DEBUG
|
||||
printf("nsSampleModule: unable to register %s component => %x\n",
|
||||
cp->mDescription, rv);
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
cp++;
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsSampleModule::UnregisterSelf(nsIComponentManager* aCompMgr,
|
||||
nsIFileSpec* aPath,
|
||||
const char* registryLocation)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
printf("*** Unregistering sample components\n");
|
||||
#endif
|
||||
Components* cp = gComponents;
|
||||
Components* end = cp + NUM_COMPONENTS;
|
||||
while (cp < end) {
|
||||
nsresult rv = aCompMgr->UnregisterComponentSpec(*cp->mCID, aPath);
|
||||
if (NS_FAILED(rv)) {
|
||||
#ifdef DEBUG
|
||||
printf("nsSampleModule: unable to unregister %s component => %x\n",
|
||||
cp->mDescription, rv);
|
||||
#endif
|
||||
}
|
||||
cp++;
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsSampleModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
|
||||
{
|
||||
if (!okToUnload) {
|
||||
return NS_ERROR_INVALID_POINTER;
|
||||
}
|
||||
*okToUnload = PR_FALSE;
|
||||
return NS_ERROR_FAILURE;
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
|
||||
static nsSampleModule *gModule = NULL;
|
||||
|
||||
extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
|
||||
nsIFileSpec* location,
|
||||
nsIModule** return_cobj)
|
||||
{
|
||||
nsresult rv = NS_OK;
|
||||
|
||||
NS_ASSERTION(return_cobj, "Null argument");
|
||||
NS_ASSERTION(gModule == NULL, "nsSampleModule: Module already created.");
|
||||
|
||||
// Create an initialize the layout module instance
|
||||
nsSampleModule *m = new nsSampleModule();
|
||||
if (!m) {
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
|
||||
// Increase refcnt and store away nsIModule interface to m in return_cobj
|
||||
rv = m->QueryInterface(nsIModule::GetIID(), (void**)return_cobj);
|
||||
if (NS_FAILED(rv)) {
|
||||
delete m;
|
||||
m = nsnull;
|
||||
}
|
||||
gModule = m; // WARNING: Weak Reference
|
||||
return rv;
|
||||
}
|
Loading…
Reference in New Issue
Block a user