378 lines
11 KiB
C++
378 lines
11 KiB
C++
/* -*- 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 1.1 (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 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.
|
|
*
|
|
* Contributor(s):
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
*/
|
|
#include "nsString.h"
|
|
#include "nspr.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIGenericFactory.h"
|
|
#include "nsIModule.h"
|
|
#include "nsParserCIID.h"
|
|
#include "nsParser.h"
|
|
#include "nsLoggingSink.h"
|
|
#include "nsWellFormedDTD.h"
|
|
#include "CNavDTD.h"
|
|
#include "nsXIFDTD.h"
|
|
#include "nsHTMLContentSinkStream.h"
|
|
#include "nsHTMLToTXTSinkStream.h"
|
|
#include "nsHTMLEntities.h"
|
|
#include "nsHTMLTokenizer.h"
|
|
#include "nsXMLTokenizer.h"
|
|
//#include "nsTextTokenizer.h"
|
|
#include "nsExpatTokenizer.h"
|
|
#include "nsIParserService.h"
|
|
|
|
static NS_DEFINE_IID(kIParserServiceIID, NS_IPARSERSERVICE_IID);
|
|
|
|
class nsParserService : public nsIParserService {
|
|
public:
|
|
nsParserService();
|
|
virtual ~nsParserService();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD HTMLStringTagToId(const nsString &aTag, PRInt32* aId) const;
|
|
|
|
NS_IMETHOD HTMLIdToStringTag(PRInt32 aId, nsString& aTag) const;
|
|
|
|
NS_IMETHOD HTMLConvertEntityToUnicode(const nsString& aEntity,
|
|
PRInt32* aUnicode) const;
|
|
};
|
|
|
|
nsParserService::nsParserService()
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
}
|
|
|
|
nsParserService::~nsParserService()
|
|
{
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(nsParserService, kIParserServiceIID)
|
|
|
|
NS_IMETHODIMP
|
|
nsParserService::HTMLStringTagToId(const nsString &aTag, PRInt32* aId) const
|
|
{
|
|
*aId = nsHTMLTags::LookupTag(aTag);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParserService::HTMLIdToStringTag(PRInt32 aId, nsString& aTag) const
|
|
{
|
|
aTag = nsHTMLTags::GetStringValue((nsHTMLTag)aId);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParserService::HTMLConvertEntityToUnicode(const nsString& aEntity,
|
|
PRInt32* aUnicode) const
|
|
{
|
|
*aUnicode = nsHTMLEntities::EntityToUnicode(aEntity);
|
|
return NS_OK;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
static NS_DEFINE_CID(kParserCID, NS_PARSER_IID);
|
|
static NS_DEFINE_CID(kParserNodeCID, NS_PARSER_NODE_IID);
|
|
static NS_DEFINE_CID(kLoggingSinkCID, NS_LOGGING_SINK_CID);
|
|
static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
|
|
static NS_DEFINE_CID(kNavDTDCID, NS_CNAVDTD_CID);
|
|
static NS_DEFINE_CID(kXIFDTDCID, NS_XIF_DTD_CID);
|
|
static NS_DEFINE_CID(kHTMLContentSinkStreamCID, NS_HTMLCONTENTSINKSTREAM_CID);
|
|
static NS_DEFINE_CID(kHTMLToTXTSinkStreamCID, NS_HTMLTOTXTSINKSTREAM_CID);
|
|
static NS_DEFINE_CID(kParserServiceCID, NS_PARSERSERVICE_CID);
|
|
|
|
struct Components {
|
|
const char* mDescription;
|
|
const nsID* mCID;
|
|
};
|
|
|
|
static Components gComponents[] = {
|
|
{ "Parser", &kParserCID },
|
|
{ "ParserNode", &kParserNodeCID },
|
|
{ "Logging sink", &kLoggingSinkCID },
|
|
{ "Well formed DTD", &kWellFormedDTDCID },
|
|
{ "Navigator HTML DTD", &kNavDTDCID },
|
|
{ "XIF DTD", &kXIFDTDCID },
|
|
{ "HTML Content Sink Stream", &kHTMLContentSinkStreamCID },
|
|
{ "HTML To Text Sink Stream", &kHTMLToTXTSinkStreamCID },
|
|
{ "ParserService", &kParserServiceCID },
|
|
};
|
|
|
|
#define NUM_COMPONENTS (sizeof(gComponents) / sizeof(gComponents[0]));
|
|
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsParser)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsCParserNode)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsLoggingSink)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(CWellFormedDTD)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(CNavDTD)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsXIFDTD)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsHTMLContentSinkStream)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsHTMLToTXTSinkStream)
|
|
NS_GENERIC_FACTORY_CONSTRUCTOR(nsParserService)
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
class nsParserModule : public nsIModule {
|
|
public:
|
|
nsParserModule();
|
|
virtual ~nsParserModule();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_DECL_NSIMODULE
|
|
|
|
nsresult Initialize();
|
|
|
|
protected:
|
|
void Shutdown();
|
|
|
|
PRBool mInitialized;
|
|
nsCOMPtr<nsIGenericFactory> mParserFactory;
|
|
nsCOMPtr<nsIGenericFactory> mParserNodeFactory;
|
|
nsCOMPtr<nsIGenericFactory> mLoggingSinkFactory;
|
|
nsCOMPtr<nsIGenericFactory> mWellFormedDTDFactory;
|
|
nsCOMPtr<nsIGenericFactory> mNavHTMLDTDFactory;
|
|
nsCOMPtr<nsIGenericFactory> mXIFDTDFactory;
|
|
nsCOMPtr<nsIGenericFactory> mHTMLContentSinkStreamFactory;
|
|
nsCOMPtr<nsIGenericFactory> mHTMLToTXTSinkStreamFactory;
|
|
nsCOMPtr<nsIGenericFactory> mParserServiceFactory;
|
|
};
|
|
|
|
static NS_DEFINE_IID(kIModuleIID, NS_IMODULE_IID);
|
|
|
|
nsParserModule::nsParserModule()
|
|
: mInitialized(PR_FALSE)
|
|
{
|
|
NS_INIT_ISUPPORTS();
|
|
}
|
|
|
|
nsParserModule::~nsParserModule()
|
|
{
|
|
Shutdown();
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(nsParserModule, kIModuleIID)
|
|
|
|
nsresult
|
|
nsParserModule::Initialize()
|
|
{
|
|
if (!mInitialized) {
|
|
nsHTMLTags::AddRefTable();
|
|
nsHTMLEntities::AddRefTable();
|
|
mInitialized = PR_TRUE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsParserModule::Shutdown()
|
|
{
|
|
if (mInitialized) {
|
|
nsHTMLTags::ReleaseTable();
|
|
nsHTMLEntities::ReleaseTable();
|
|
nsHTMLTokenizer::FreeTokenRecycler();
|
|
nsXMLTokenizer::FreeTokenRecycler();
|
|
nsExpatTokenizer::FreeTokenRecycler();
|
|
// nsTextTokenizer::FreeTokenRecycler();
|
|
nsParser::FreeSharedObjects();
|
|
mInitialized = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParserModule::GetClassObject(nsIComponentManager *aCompMgr,
|
|
const nsCID& aClass,
|
|
const nsIID& aIID,
|
|
void** r_classObj)
|
|
{
|
|
nsresult rv;
|
|
|
|
if (!mInitialized) {
|
|
rv = Initialize();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
mInitialized = PR_TRUE;
|
|
}
|
|
|
|
nsCOMPtr<nsIGenericFactory> fact;
|
|
|
|
if (aClass.Equals(kParserCID)) {
|
|
if (!mParserFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mParserFactory),
|
|
&nsParserConstructor);
|
|
}
|
|
fact = mParserFactory;
|
|
}
|
|
else if (aClass.Equals(kParserNodeCID)) {
|
|
if (!mParserNodeFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mParserNodeFactory),
|
|
&nsCParserNodeConstructor);
|
|
}
|
|
fact = mParserNodeFactory;
|
|
}
|
|
else if (aClass.Equals(kLoggingSinkCID)) {
|
|
if (!mLoggingSinkFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mLoggingSinkFactory),
|
|
&nsLoggingSinkConstructor);
|
|
}
|
|
fact = mLoggingSinkFactory;
|
|
}
|
|
else if (aClass.Equals(kWellFormedDTDCID)) {
|
|
if (!mWellFormedDTDFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mWellFormedDTDFactory),
|
|
&CWellFormedDTDConstructor);
|
|
}
|
|
fact = mWellFormedDTDFactory;
|
|
}
|
|
else if (aClass.Equals(kNavDTDCID)) {
|
|
if (!mNavHTMLDTDFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mNavHTMLDTDFactory),
|
|
&CNavDTDConstructor);
|
|
}
|
|
fact = mNavHTMLDTDFactory;
|
|
}
|
|
else if (aClass.Equals(kXIFDTDCID)) {
|
|
if (!mXIFDTDFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mXIFDTDFactory),
|
|
&nsXIFDTDConstructor);
|
|
}
|
|
fact = mXIFDTDFactory;
|
|
}
|
|
else if (aClass.Equals(kHTMLContentSinkStreamCID)) {
|
|
if (!mHTMLContentSinkStreamFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mHTMLContentSinkStreamFactory),
|
|
&nsHTMLContentSinkStreamConstructor);
|
|
}
|
|
fact = mHTMLContentSinkStreamFactory;
|
|
}
|
|
else if (aClass.Equals(kHTMLToTXTSinkStreamCID)) {
|
|
if (!mHTMLToTXTSinkStreamFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mHTMLToTXTSinkStreamFactory),
|
|
&nsHTMLToTXTSinkStreamConstructor);
|
|
}
|
|
fact = mHTMLToTXTSinkStreamFactory;
|
|
}
|
|
else if (aClass.Equals(kParserServiceCID)) {
|
|
if (!mParserServiceFactory) {
|
|
rv = NS_NewGenericFactory(getter_AddRefs(mParserServiceFactory),
|
|
&nsParserServiceConstructor);
|
|
}
|
|
fact = mParserServiceFactory;
|
|
}
|
|
else {
|
|
rv = NS_ERROR_FACTORY_NOT_REGISTERED;
|
|
}
|
|
|
|
if (fact) {
|
|
rv = fact->QueryInterface(aIID, r_classObj);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParserModule::RegisterSelf(nsIComponentManager *aCompMgr,
|
|
nsIFile* aPath,
|
|
const char* registryLocation,
|
|
const char* componentType)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
Components* cp = gComponents;
|
|
Components* end = cp + NUM_COMPONENTS;
|
|
while (cp < end) {
|
|
rv = aCompMgr->RegisterComponentSpec(*cp->mCID, cp->mDescription,
|
|
nsnull, aPath, PR_TRUE, PR_TRUE);
|
|
if (NS_FAILED(rv)) {
|
|
#ifdef DEBUG
|
|
printf("nsParserModule: unable to register %s component => %x\n",
|
|
cp->mDescription, rv);
|
|
#endif
|
|
break;
|
|
}
|
|
cp++;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParserModule::UnregisterSelf(nsIComponentManager *aCompMgr,
|
|
nsIFile* aPath,
|
|
const char* registryLocation)
|
|
{
|
|
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("nsParserModule: unable to unregister %s component => %x\n",
|
|
cp->mDescription, rv);
|
|
#endif
|
|
}
|
|
cp++;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsParserModule::CanUnload(nsIComponentManager *aCompMgr, PRBool *okToUnload)
|
|
{
|
|
if (!okToUnload) {
|
|
return NS_ERROR_INVALID_POINTER;
|
|
}
|
|
*okToUnload = PR_FALSE;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
static nsParserModule *gModule = NULL;
|
|
|
|
extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager *servMgr,
|
|
nsIFile* location,
|
|
nsIModule** return_cobj)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_ASSERTION(return_cobj, "Null argument");
|
|
NS_ASSERTION(gModule == NULL, "nsParserModule: Module already created.");
|
|
|
|
// Create an initialize the layout module instance
|
|
nsParserModule *m = new nsParserModule();
|
|
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**)return_cobj);
|
|
if (NS_FAILED(rv)) {
|
|
delete m;
|
|
m = nsnull;
|
|
}
|
|
gModule = m; // WARNING: Weak Reference
|
|
return rv;
|
|
}
|