This commit is contained in:
kipp%netscape.com 1999-09-28 19:03:20 +00:00
parent f14142c4f3
commit 493d404539
2 changed files with 536 additions and 0 deletions

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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.
*
* The Original Code is Mozilla Communicator client 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.
*/
#include "nsCOMPtr.h"
#include "nsIModule.h"
#include "nsIGenericFactory.h"
#include "nsIComponentManager.h"
#include "nsICharsetConverterManager.h"
#include "nsIUnicodeDecodeHelper.h"
#include "nsIUnicodeEncodeHelper.h"
#include "nsIPlatformCharset.h"
#include "nsICharsetAlias.h"
#include "nsITextToSubURI.h"
#include "nsIServiceManager.h"
#include "nsCharsetMenu.h"
#include "rdf.h"
#include "nsUConvDll.h"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
static NS_DEFINE_CID(kCharsetMenuCID, NS_CHARSETMENU_CID);
static NS_DEFINE_CID(kTextToSubURICID, NS_TEXTTOSUBURI_CID);
PRInt32 g_InstanceCount = 0;
PRInt32 g_LockCount = 0;
//----------------------------------------------------------------------
class nsUConvModule : public nsIModule {
public:
nsUConvModule();
virtual ~nsUConvModule();
NS_DECL_ISUPPORTS
NS_DECL_NSIMODULE
nsresult Initialize();
protected:
void Shutdown();
PRBool mInitialized;
};
static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
nsUConvModule::nsUConvModule()
: mInitialized(PR_FALSE)
{
NS_INIT_ISUPPORTS();
}
nsUConvModule::~nsUConvModule()
{
Shutdown();
}
NS_IMPL_ISUPPORTS(nsUConvModule, kIModuleIID)
nsresult
nsUConvModule::Initialize()
{
return NS_OK;
}
void
nsUConvModule::Shutdown()
{
}
NS_IMETHODIMP
nsUConvModule::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;
if (!mInitialized) {
rv = Initialize();
if (NS_FAILED(rv)) {
return rv;
}
mInitialized = PR_TRUE;
}
nsCOMPtr<nsIGenericFactory> fact;
if (aClass.Equals(kCharsetConverterManagerCID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewCharsetConverterManager);
}
else if (aClass.Equals(kUnicodeDecodeHelperCID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewUnicodeDecodeHelper);
}
else if (aClass.Equals(kUnicodeEncodeHelperCID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewUnicodeEncodeHelper);
}
else if (aClass.Equals(kPlatformCharsetCID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewPlatformCharset);
}
else if (aClass.Equals(kCharsetAliasCID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewCharsetAlias);
}
else if (aClass.Equals(kCharsetMenuCID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewCharsetMenu);
}
else if (aClass.Equals(kTextToSubURICID)) {
rv = NS_NewGenericFactory(getter_AddRefs(fact), NS_NewTextToSubURI);
}
else {
return NS_ERROR_FACTORY_NOT_REGISTERED;
}
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[] = {
{ "Charset Conversion Manager", &kCharsetConverterManagerCID,
NS_CHARSETCONVERTERMANAGER_PROGID, },
{ "Unicode Decode Helper", &kUnicodeDecodeHelperCID,
NS_UNICODEDECODEHELPER_PROGID, },
{ "Unicode Encode Helper", &kUnicodeEncodeHelperCID,
NS_UNICODEENCODEHELPER_PROGID, },
{ "Platform Charset Information", &kPlatformCharsetCID,
NS_PLATFORMCHARSET_PROGID, },
{ "Charset Alias Information", &kCharsetAliasCID,
NS_CHARSETALIAS_PROGID, },
{ NS_CHARSETMENU_PID, &kCharsetMenuCID,
NS_RDF_DATASOURCE_PROGID_PREFIX NS_CHARSETMENU_PID, },
{ "Text To Sub URI Helper", &kTextToSubURICID,
NS_ITEXTTOSUBURI_PROGID, },
};
#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]))
NS_IMETHODIMP
nsUConvModule::RegisterSelf(nsIComponentManager *aCompMgr,
nsIFileSpec* aPath,
const char* registryLocation,
const char* componentType)
{
nsresult rv = NS_OK;
#ifdef DEBUG
printf("*** Registering uconv 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("nsUConvModule: unable to register %s component => %x\n",
cp->mDescription, rv);
#endif
break;
}
cp++;
}
return rv;
}
NS_IMETHODIMP
nsUConvModule::UnregisterSelf(nsIComponentManager *aCompMgr,
nsIFileSpec* aPath,
const char* registryLocation)
{
#ifdef DEBUG
printf("*** Unregistering uconv 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("nsUConvModule: unable to unregister %s component => %x\n",
cp->mDescription, rv);
#endif
}
cp++;
}
return NS_OK;
}
NS_IMETHODIMP
nsUConvModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
{
if (!okToUnload) {
return NS_ERROR_INVALID_POINTER;
}
*okToUnload = PR_FALSE;
return NS_ERROR_FAILURE;
}
//----------------------------------------------------------------------
static nsUConvModule *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, "nsUConvModule: Module already created.");
// Create an initialize the layout module instance
nsUConvModule *m = new nsUConvModule();
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;
}

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/* -*- 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 1.0 (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.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCOMPtr.h"
#include "nsIModule.h"
#include "nsIGenericFactory.h"
#include "nsISample.h"
static NS_DEFINE_CID(kSampleCID, NS_SAMPLE_CID);
// Module implementation for the sample library
class nsSampleModule : public nsIModule
{
public:
nsSampleModule();
virtual ~nsSampleModule();
NS_DECL_ISUPPORTS
NS_DECL_NSIMODULE
protected:
nsresult Initialize();
void Shutdown();
PRBool mInitialized;
nsCOMPtr<nsIGenericFactory> mFactory;
};
//----------------------------------------------------------------------
// Functions used to create new instances of a given object by the
// generic factory.
#define MAKE_CTOR(_name) \
static NS_IMETHODIMP \
CreateNew##_name(nsISupports* aOuter, REFNSIID aIID, void **aResult) \
{ \
if (!aResult) { \
return NS_ERROR_INVALID_POINTER; \
} \
if (aOuter) { \
*aResult = nsnull; \
return NS_ERROR_NO_AGGREGATION; \
} \
nsI##_name* inst; \
nsresult rv = NS_New##_name(&inst); \
if (NS_FAILED(rv)) { \
*aResult = nsnull; \
return rv; \
} \
rv = inst->QueryInterface(aIID, aResult); \
if (NS_FAILED(rv)) { \
*aResult = nsnull; \
} \
NS_RELEASE(inst); /* get rid of extra refcnt */ \
return rv; \
}
MAKE_CTOR(Sample)
//----------------------------------------------------------------------
static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
nsSampleModule::nsSampleModule()
: mInitialized(PR_FALSE)
{
NS_INIT_ISUPPORTS();
}
nsSampleModule::~nsSampleModule()
{
Shutdown();
}
NS_IMPL_ISUPPORTS(nsSampleModule, kIModuleIID)
// Perform our one-time intialization for this module
nsresult
nsSampleModule::Initialize()
{
if (mInitialized) {
return NS_OK;
}
mInitialized = PR_TRUE;
// Create and stash the factory object for creating new instances
// of Sample
nsresult rv;
rv = NS_NewGenericFactory(getter_AddRefs(mFactory), CreateNewSample);
return NS_OK;
}
// Shutdown this module, releasing all of the module resources
void
nsSampleModule::Shutdown()
{
// Release the factory object
mFactory = nsnull;
}
// Create a factory object for creating instances of aClass.
NS_IMETHODIMP
nsSampleModule::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).
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;
}