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gecko-dev/intl/uconv/ucvja2/nsUCVJA2Dll.cpp

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C++
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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.
*/
#define NS_IMPL_IDS
#include "pratom.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsIFactory.h"
#include "nsIRegistry.h"
#include "nsCOMPtr.h"
#include "nsICharsetConverterInfo.h"
#include "nsUCVJA2CID.h"
#include "nsUCVJA2Dll.h"
#include "nsEUCJPToUnicode.h"
#include "nsISO2022JPToUnicode.h"
#include "nsUnicodeToEUCJP.h"
#include "nsUnicodeToISO2022JP.h"
#include "nsUnicodeToJISx0201.h"
#include "nsUnicodeToJISx0208.h"
#include "nsUnicodeToJISx0212.h"
// just for NS_IMPL_IDS; this is a good, central place to implement GUIDs
#include "nsIUnicodeDecoder.h"
#include "nsIUnicodeDecodeUtil.h"
#include "nsIUnicodeEncoder.h"
#include "nsIUnicodeEncodeHelper.h"
#include "nsICharsetConverterManager.h"
#define DECODER_NAME_BASE "Unicode Decoder-"
#define ENCODER_NAME_BASE "Unicode Encoder-"
//----------------------------------------------------------------------
// Global functions and data [declaration]
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
PRInt32 g_InstanceCount = 0;
PRInt32 g_LockCount = 0;
PRUint16 g_ut0201Mapping[] = {
#include "jis0201.ut"
};
PRUint16 g_ut0208Mapping[] = {
#include "jis0208.ut"
};
PRUint16 g_ut0212Mapping[] = {
#include "jis0212.ut"
};
PRUint16 g_uf0201Mapping[] = {
#include "jis0201.uf"
};
PRUint16 g_uf0208Mapping[] = {
#include "jis0208.uf"
};
PRUint16 g_uf0212Mapping[] = {
#include "jis0212.uf"
};
typedef nsresult (* fpCreateInstance) (nsISupports **);
struct FactoryData
{
const nsCID * mCID;
fpCreateInstance CreateInstance;
char * mCharsetSrc;
char * mCharsetDest;
};
FactoryData g_FactoryData[] =
{
{
&kISO2022JPToUnicodeCID,
nsISO2022JPToUnicode::CreateInstance,
"ISO-2022-JP",
"Unicode"
},
{
&kEUCJPToUnicodeCID,
nsEUCJPToUnicode::CreateInstance,
"EUC-JP",
"Unicode"
},
{
&kUnicodeToEUCJPCID,
nsUnicodeToEUCJP::CreateInstance,
"Unicode",
"EUC-JP"
},
{
&kUnicodeToJISx0201CID,
nsUnicodeToJISx0201::CreateInstance,
"Unicode",
"jis_0201"
},
{
&kUnicodeToJISx0208CID,
nsUnicodeToJISx0208::CreateInstance,
"Unicode",
"jis_0208-1983"
},
{
&kUnicodeToJISx0212CID,
nsUnicodeToJISx0212::CreateInstance,
"Unicode",
"jis_0212-1990"
},
{
&kUnicodeToISO2022JPCID,
nsUnicodeToISO2022JP::CreateInstance,
"Unicode",
"ISO-2022-JP"
}
};
#define ARRAY_SIZE(_array) \
(sizeof(_array) / sizeof(_array[0]))
//----------------------------------------------------------------------
// Class nsConverterFactory [declaration]
/**
* General factory class for converter objects.
*
* @created 24/Feb/1998
* @author Catalin Rotaru [CATA]
*/
class nsConverterFactory : public nsIFactory,
public nsICharsetConverterInfo
{
NS_DECL_ISUPPORTS
private:
FactoryData * mData;
public:
/**
* Class constructor.
*/
nsConverterFactory(FactoryData * aData);
/**
* Class destructor.
*/
virtual ~nsConverterFactory();
//--------------------------------------------------------------------
// Interface nsIFactory [declaration]
NS_IMETHOD CreateInstance(nsISupports *aDelegate, const nsIID &aIID,
void **aResult);
NS_IMETHOD LockFactory(PRBool aLock);
//--------------------------------------------------------------------
// Interface nsICharsetConverterInfo [declaration]
NS_IMETHOD GetCharsetSrc(char ** aCharset);
NS_IMETHOD GetCharsetDest(char ** aCharset);
};
//----------------------------------------------------------------------
// Global functions and data [implementation]
extern "C" NS_EXPORT PRBool NSCanUnload(nsISupports* aServMgr)
{
return PRBool(g_InstanceCount == 0 && g_LockCount == 0);
}
extern "C" NS_EXPORT nsresult NSGetFactory(nsISupports* aServMgr,
const nsCID &aClass,
const char *aClassName,
const char *aProgID,
nsIFactory **aFactory)
{
if (aFactory == NULL) return NS_ERROR_NULL_POINTER;
nsresult res;
nsConverterFactory * fac;
FactoryData * data;
for (PRUint32 i=0; i<ARRAY_SIZE(g_FactoryData); i++) {
data = &(g_FactoryData[i]);
if (aClass.Equals(*(data->mCID))) {
fac = new nsConverterFactory(data);
res = fac->QueryInterface(kIFactoryIID, (void **) aFactory);
if (NS_FAILED(res)) {
*aFactory = NULL;
delete fac;
}
return res;
}
}
return NS_NOINTERFACE;
}
extern "C" NS_EXPORT nsresult NSRegisterSelf(nsISupports * aServMgr,
const char * path)
{
nsresult res;
PRUint32 i;
nsIComponentManager * compMgr = NULL;
nsIRegistry * registry = NULL;
nsIRegistry::Key key;
char buff[1024];
// get the service manager
nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &res));
// get the component manager
res = servMgr->GetService(kComponentManagerCID,
nsIComponentManager::GetIID(),
(nsISupports**)&compMgr);
if (NS_FAILED(res)) goto done;
// get the registry
res = servMgr->GetService(NS_REGISTRY_PROGID,
nsIRegistry::GetIID(),
(nsISupports**)&registry);
if (NS_FAILED(res)) goto done;
// open the registry
res = registry->OpenWellKnownRegistry(
nsIRegistry::ApplicationComponentRegistry);
if (NS_FAILED(res)) goto done;
char name[128];
char progid[128];
for (i=0; i<ARRAY_SIZE(g_FactoryData); i++) {
if(0==PL_strcmp(g_FactoryData[i].mCharsetSrc,"Unicode"))
{
PL_strcpy(name, DECODER_NAME_BASE);
PL_strcat(name, g_FactoryData[i].mCharsetDest);
PL_strcpy(progid, NS_UNICODEDECODER_PROGID_BASE);
PL_strcat(progid, g_FactoryData[i].mCharsetDest);
} else {
PL_strcpy(name, ENCODER_NAME_BASE);
PL_strcat(name, g_FactoryData[i].mCharsetSrc);
PL_strcpy(progid, NS_UNICODEENCODER_PROGID_BASE);
PL_strcat(progid, g_FactoryData[i].mCharsetSrc);
}
// register component
res = compMgr->RegisterComponent(*(g_FactoryData[i].mCID), name, progid,
path, PR_TRUE, PR_TRUE);
if(NS_FAILED(res) && (NS_ERROR_FACTORY_EXISTS != res)) goto done;
// register component info
// XXX take these KONSTANTS out of here
// XXX free the string from "ToString()"
sprintf(buff, "%s/%s", "software/netscape/intl/uconv", (g_FactoryData[i].mCID -> ToString()));
res = registry -> AddSubtree(nsIRegistry::Common, buff, &key);
if (NS_FAILED(res)) goto done;
res = registry -> SetString(key, "source", g_FactoryData[i].mCharsetSrc);
if (NS_FAILED(res)) goto done;
res = registry -> SetString(key, "destination", g_FactoryData[i].mCharsetDest);
if (NS_FAILED(res)) goto done;
}
done:
if (compMgr != NULL)
(void)servMgr->ReleaseService(kComponentManagerCID, compMgr);
if (registry != NULL) {
registry -> Close();
(void)servMgr->ReleaseService(NS_REGISTRY_PROGID, registry);
}
return res;
}
extern "C" NS_EXPORT nsresult NSUnregisterSelf(nsISupports* aServMgr, const char * path)
{
nsresult rv;
nsCOMPtr<nsIServiceManager> servMgr(do_QueryInterface(aServMgr, &rv));
if (NS_FAILED(rv)) return rv;
nsIComponentManager* compMgr;
rv = servMgr->GetService(kComponentManagerCID,
nsIComponentManager::GetIID(),
(nsISupports**)&compMgr);
if (NS_FAILED(rv)) return rv;
for (PRUint32 i=0; i<ARRAY_SIZE(g_FactoryData); i++) {
rv = compMgr->UnregisterComponent(*(g_FactoryData[i].mCID), path);
if(NS_FAILED(rv)) goto done;
}
done:
(void)servMgr->ReleaseService(kComponentManagerCID, compMgr);
return rv;
}
//----------------------------------------------------------------------
// Class nsConverterFactory [implementation]
nsConverterFactory::nsConverterFactory(FactoryData * aData)
{
mData = aData;
NS_INIT_REFCNT();
PR_AtomicIncrement(&g_InstanceCount);
}
nsConverterFactory::~nsConverterFactory()
{
PR_AtomicDecrement(&g_InstanceCount);
}
//----------------------------------------------------------------------
// Interface nsISupports [implementation]
NS_IMPL_ADDREF(nsConverterFactory);
NS_IMPL_RELEASE(nsConverterFactory);
nsresult nsConverterFactory::QueryInterface(REFNSIID aIID,
void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
*aInstancePtr = NULL;
if (aIID.Equals(kICharsetConverterInfoIID)) {
*aInstancePtr = (void*) ((nsICharsetConverterInfo*)this);
} else if (aIID.Equals(kIFactoryIID)) {
*aInstancePtr = (void*) ((nsIFactory*)this);
} else if (aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*) ((nsISupports*)(nsIFactory*)this);
} else {
return NS_NOINTERFACE;
}
NS_ADDREF_THIS();
return NS_OK;
}
//----------------------------------------------------------------------
// Interface nsIFactory [implementation]
NS_IMETHODIMP nsConverterFactory::CreateInstance(nsISupports *aDelegate,
const nsIID &aIID,
void **aResult)
{
if (aResult == NULL) return NS_ERROR_NULL_POINTER;
if (aDelegate != NULL) return NS_ERROR_NO_AGGREGATION;
nsISupports * t;
mData->CreateInstance(&t);
if (t == NULL) return NS_ERROR_OUT_OF_MEMORY;
nsresult res = t->QueryInterface(aIID, aResult);
if (NS_FAILED(res)) delete t;
return res;
}
NS_IMETHODIMP nsConverterFactory::LockFactory(PRBool aLock)
{
if (aLock) PR_AtomicIncrement(&g_LockCount);
else PR_AtomicDecrement(&g_LockCount);
return NS_OK;
}
//----------------------------------------------------------------------
// Interface nsICharsetConverterInfo [implementation]
NS_IMETHODIMP nsConverterFactory::GetCharsetSrc(char ** aCharset)
{
(*aCharset) = mData->mCharsetSrc;
return NS_OK;
}
NS_IMETHODIMP nsConverterFactory::GetCharsetDest(char ** aCharset)
{
(*aCharset) = mData->mCharsetDest;
return NS_OK;
}
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