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gecko-dev/intl/uconv/ucvlatin/nsUCvLatinModule.cpp
sspitzer%netscape.com 7b7d89a918 make nsConverterModule threadsafe. bug #33794.
2000-03-29 23:23:19 +00:00

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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 1.1 (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>
*/
#define NS_IMPL_IDS
#include "pratom.h"
#include "nspr.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsIFactory.h"
#include "nsIRegistry.h"
#include "nsIServiceManager.h"
#include "nsIModule.h"
#include "nsUCvLatinCID.h"
#include "nsUCvLatinDll.h"
#include "nsUEscapeToUnicode.h"
#include "nsUnicodeToUEscape.h"
#include "nsAsciiToUnicode.h"
#include "nsISO88591ToUnicode.h"
#include "nsISO88592ToUnicode.h"
#include "nsISO88593ToUnicode.h"
#include "nsISO88594ToUnicode.h"
#include "nsISO88595ToUnicode.h"
#include "nsISO88596ToUnicode.h"
#include "nsISO88597ToUnicode.h"
#include "nsISO88598ToUnicode.h"
#include "nsISO88599ToUnicode.h"
#include "nsISO885910ToUnicode.h"
#include "nsISO885913ToUnicode.h"
#include "nsISO885914ToUnicode.h"
#include "nsISO885915ToUnicode.h"
#include "nsISOIR111ToUnicode.h"
#include "nsCP1250ToUnicode.h"
#include "nsCP1251ToUnicode.h"
#include "nsCP1252ToUnicode.h"
#include "nsCP1253ToUnicode.h"
#include "nsCP1254ToUnicode.h"
#include "nsCP1255ToUnicode.h"
#include "nsCP1256ToUnicode.h"
#include "nsCP1257ToUnicode.h"
#include "nsCP1258ToUnicode.h"
#include "nsCP874ToUnicode.h"
#include "nsCP866ToUnicode.h"
#include "nsKOI8RToUnicode.h"
#include "nsKOI8UToUnicode.h"
#include "nsMacRomanToUnicode.h"
#include "nsMacCEToUnicode.h"
#include "nsMacGreekToUnicode.h"
#include "nsMacTurkishToUnicode.h"
#include "nsMacCroatianToUnicode.h"
#include "nsMacRomanianToUnicode.h"
#include "nsMacCyrillicToUnicode.h"
#include "nsMacUkrainianToUnicode.h"
#include "nsMacIcelandicToUnicode.h"
#include "nsARMSCII8ToUnicode.h"
#include "nsTCVN5712ToUnicode.h"
#include "nsVISCIIToUnicode.h"
#include "nsVPSToUnicode.h"
#include "nsUTF8ToUnicode.h"
#include "nsUTF7ToUnicode.h"
#include "nsMUTF7ToUnicode.h"
#include "nsUCS4BEToUnicode.h"
#include "nsUCS4LEToUnicode.h"
#include "nsUCS2BEToUnicode.h"
#include "nsUCS2LEToUnicode.h"
#include "nsT61ToUnicode.h"
#include "nsUserDefinedToUnicode.h"
#include "nsUnicodeToAscii.h"
#include "nsUnicodeToISO88591.h"
#include "nsUnicodeToISO88592.h"
#include "nsUnicodeToISO88593.h"
#include "nsUnicodeToISO88594.h"
#include "nsUnicodeToISO88595.h"
#include "nsUnicodeToISO88596.h"
#include "nsUnicodeToISO88597.h"
#include "nsUnicodeToISO88598.h"
#include "nsUnicodeToISO88599.h"
#include "nsUnicodeToISO885910.h"
#include "nsUnicodeToISO885913.h"
#include "nsUnicodeToISO885914.h"
#include "nsUnicodeToISO885915.h"
#include "nsUnicodeToISOIR111.h"
#include "nsUnicodeToCP1250.h"
#include "nsUnicodeToCP1251.h"
#include "nsUnicodeToCP1252.h"
#include "nsUnicodeToCP1253.h"
#include "nsUnicodeToCP1254.h"
#include "nsUnicodeToCP1255.h"
#include "nsUnicodeToCP1256.h"
#include "nsUnicodeToCP1257.h"
#include "nsUnicodeToCP1258.h"
#include "nsUnicodeToCP874.h"
#include "nsUnicodeToCP866.h"
#include "nsUnicodeToKOI8R.h"
#include "nsUnicodeToKOI8U.h"
#include "nsUnicodeToMacRoman.h"
#include "nsUnicodeToMacCE.h"
#include "nsUnicodeToMacGreek.h"
#include "nsUnicodeToMacTurkish.h"
#include "nsUnicodeToMacCroatian.h"
#include "nsUnicodeToMacRomanian.h"
#include "nsUnicodeToMacCyrillic.h"
#include "nsUnicodeToMacUkrainian.h"
#include "nsUnicodeToMacIcelandic.h"
#include "nsUnicodeToARMSCII8.h"
#include "nsUnicodeToTCVN5712.h"
#include "nsUnicodeToVISCII.h"
#include "nsUnicodeToVPS.h"
#include "nsUnicodeToUTF8.h"
#include "nsUnicodeToUTF7.h"
#include "nsUnicodeToMUTF7.h"
#include "nsUnicodeToUCS2BE.h"
#include "nsUnicodeToUCS2LE.h"
#include "nsUnicodeToUCS4BE.h"
#include "nsUnicodeToUCS4LE.h"
#include "nsUnicodeToT61.h"
#include "nsUnicodeToUserDefined.h"
#include "nsUnicodeToSymbol.h"
#include "nsUnicodeToZapfDingbat.h"
//----------------------------------------------------------------------------
// Global functions and data [declaration]
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
#define DECODER_NAME_BASE "Unicode Decoder-"
#define ENCODER_NAME_BASE "Unicode Encoder-"
PRInt32 g_InstanceCount = 0;
PRInt32 g_LockCount = 0;
typedef nsresult (* fpCreateInstance) (nsISupports **);
struct FactoryData
{
const nsCID * mCID;
fpCreateInstance CreateInstance;
char * mCharsetSrc;
char * mCharsetDest;
};
static FactoryData g_FactoryData[] =
{
{
&kAsciiToUnicodeCID,
nsAsciiToUnicode::CreateInstance,
"us-ascii",
"Unicode"
},
{
&kUEscapeToUnicodeCID,
NEW_UEscapeToUnicode,
"x-u-escaped",
"Unicode"
},
{
&kISO88591ToUnicodeCID,
nsISO88591ToUnicode::CreateInstance,
"ISO-8859-1",
"Unicode"
},
{
&kISO88592ToUnicodeCID,
nsISO88592ToUnicode::CreateInstance,
"ISO-8859-2",
"Unicode"
},
{
&kISO88593ToUnicodeCID,
nsISO88593ToUnicode::CreateInstance,
"ISO-8859-3",
"Unicode"
},
{
&kISO88594ToUnicodeCID,
nsISO88594ToUnicode::CreateInstance,
"ISO-8859-4",
"Unicode"
},
{
&kISO88595ToUnicodeCID,
nsISO88595ToUnicode::CreateInstance,
"ISO-8859-5",
"Unicode"
},
{
&kISO88596ToUnicodeCID,
nsISO88596ToUnicode::CreateInstance,
"ISO-8859-6",
"Unicode"
},
{
&kISO88597ToUnicodeCID,
nsISO88597ToUnicode::CreateInstance,
"ISO-8859-7",
"Unicode"
},
{
&kISO88598ToUnicodeCID,
nsISO88598ToUnicode::CreateInstance,
"ISO-8859-8",
"Unicode"
},
{
&kISO88599ToUnicodeCID,
nsISO88599ToUnicode::CreateInstance,
"ISO-8859-9",
"Unicode"
},
{
&kISO885910ToUnicodeCID,
nsISO885910ToUnicode::CreateInstance,
"ISO-8859-10",
"Unicode"
},
{
&kISO885913ToUnicodeCID,
nsISO885913ToUnicode::CreateInstance,
"ISO-8859-13",
"Unicode"
},
{
&kISO885914ToUnicodeCID,
nsISO885914ToUnicode::CreateInstance,
"ISO-8859-14",
"Unicode"
},
{
&kISO885915ToUnicodeCID,
nsISO885915ToUnicode::CreateInstance,
"ISO-8859-15",
"Unicode"
},
{
&kISOIR111ToUnicodeCID,
nsISOIR111ToUnicode::CreateInstance,
"ISO-IR-111",
"Unicode"
},
{
&kCP1250ToUnicodeCID,
nsCP1250ToUnicode::CreateInstance,
"windows-1250",
"Unicode"
},
{
&kCP1251ToUnicodeCID,
nsCP1251ToUnicode::CreateInstance,
"windows-1251",
"Unicode"
},
{
&kCP1252ToUnicodeCID,
nsCP1252ToUnicode::CreateInstance,
"windows-1252",
"Unicode"
},
{
&kCP1253ToUnicodeCID,
nsCP1253ToUnicode::CreateInstance,
"windows-1253",
"Unicode"
},
{
&kCP1254ToUnicodeCID,
nsCP1254ToUnicode::CreateInstance,
"windows-1254",
"Unicode"
},
{
&kCP1255ToUnicodeCID,
nsCP1255ToUnicode::CreateInstance,
"windows-1255",
"Unicode"
},
{
&kCP1256ToUnicodeCID,
nsCP1256ToUnicode::CreateInstance,
"windows-1256",
"Unicode"
},
{
&kCP1257ToUnicodeCID,
nsCP1257ToUnicode::CreateInstance,
"windows-1257",
"Unicode"
},
{
&kCP1258ToUnicodeCID,
nsCP1258ToUnicode::CreateInstance,
"windows-1258",
"Unicode"
},
{
&kCP874ToUnicodeCID,
nsCP874ToUnicode::CreateInstance,
"TIS-620",
"Unicode"
},
{
&kCP866ToUnicodeCID,
nsCP866ToUnicode::CreateInstance,
"IBM866",
"Unicode"
},
{
&kKOI8RToUnicodeCID,
nsKOI8RToUnicode::CreateInstance,
"KOI8-R",
"Unicode"
},
{
&kKOI8UToUnicodeCID,
nsKOI8UToUnicode::CreateInstance,
"KOI8-U",
"Unicode"
},
{
&kMacRomanToUnicodeCID,
nsMacRomanToUnicode::CreateInstance,
"x-mac-roman",
"Unicode"
},
{
&kMacCEToUnicodeCID,
nsMacCEToUnicode::CreateInstance,
"x-mac-ce",
"Unicode"
},
{
&kMacGreekToUnicodeCID,
nsMacGreekToUnicode::CreateInstance,
"x-mac-greek",
"Unicode"
},
{
&kMacTurkishToUnicodeCID,
nsMacTurkishToUnicode::CreateInstance,
"x-mac-turkish",
"Unicode"
},
{
&kMacCroatianToUnicodeCID,
nsMacCroatianToUnicode::CreateInstance,
"x-mac-croatian",
"Unicode"
},
{
&kMacRomanianToUnicodeCID,
nsMacRomanianToUnicode::CreateInstance,
"x-mac-romanian",
"Unicode"
},
{
&kMacCyrillicToUnicodeCID,
nsMacCyrillicToUnicode::CreateInstance,
"x-mac-cyrillic",
"Unicode"
},
{
&kMacUkrainianToUnicodeCID,
nsMacUkrainianToUnicode::CreateInstance,
"x-mac-ukrainian",
"Unicode"
},
{
&kMacIcelandicToUnicodeCID,
nsMacIcelandicToUnicode::CreateInstance,
"x-mac-icelandic",
"Unicode"
},
{
&kARMSCII8ToUnicodeCID,
nsARMSCII8ToUnicode::CreateInstance,
"armscii-8",
"Unicode"
},
{
&kTCVN5712ToUnicodeCID,
nsTCVN5712ToUnicode::CreateInstance,
"x-viet-tcvn5712",
"Unicode"
},
{
&kVISCIIToUnicodeCID,
nsVISCIIToUnicode::CreateInstance,
"VISCII",
"Unicode"
},
{
&kVPSToUnicodeCID,
nsVPSToUnicode::CreateInstance,
"x-viet-vps",
"Unicode"
},
{
&kUTF8ToUnicodeCID,
nsUTF8ToUnicode::CreateInstance,
"UTF-8",
"Unicode"
},
{
&kUTF7ToUnicodeCID,
nsUTF7ToUnicode::CreateInstance,
"UTF-7",
"Unicode"
},
{
&kMUTF7ToUnicodeCID,
nsMUTF7ToUnicode::CreateInstance,
"x-imap4-modified-utf7",
"Unicode"
},
{
&kUTF16BEToUnicodeCID,
//nsUCS2BEToUnicode::CreateInstance,
NEW_UTF16BEToUnicode,
"UTF-16BE",
"Unicode"
},
{
&kUTF16LEToUnicodeCID,
//nsUCS2LEToUnicode::CreateInstance,
NEW_UTF16LEToUnicode,
"UTF-16LE",
"Unicode"
},
{
&kUTF32BEToUnicodeCID,
nsUCS4BEToUnicode::CreateInstance,
"UTF-32BE",
"Unicode"
},
{
&kUTF32LEToUnicodeCID,
nsUCS4LEToUnicode::CreateInstance,
"UTF-32LE",
"Unicode"
},
{
&kT61ToUnicodeCID,
nsT61ToUnicode::CreateInstance,
"T.61-8bit",
"Unicode"
},
{
&kUserDefinedToUnicodeCID,
nsUserDefinedToUnicode::CreateInstance,
"x-user-defined",
"Unicode"
},
{
&kUnicodeToAsciiCID,
nsUnicodeToAscii::CreateInstance,
"Unicode",
"us-ascii"
},
{
&kUnicodeToUEscapeCID,
NEW_UnicodeToUEscape,
"Unicode",
"x-u-escaped"
},
{
&kUnicodeToISO88591CID,
nsUnicodeToISO88591::CreateInstance,
"Unicode",
"ISO-8859-1"
},
{
&kUnicodeToISO88592CID,
nsUnicodeToISO88592::CreateInstance,
"Unicode",
"ISO-8859-2"
},
{
&kUnicodeToISO88593CID,
nsUnicodeToISO88593::CreateInstance,
"Unicode",
"ISO-8859-3"
},
{
&kUnicodeToISO88594CID,
nsUnicodeToISO88594::CreateInstance,
"Unicode",
"ISO-8859-4"
},
{
&kUnicodeToISO88595CID,
nsUnicodeToISO88595::CreateInstance,
"Unicode",
"ISO-8859-5"
},
{
&kUnicodeToISO88596CID,
nsUnicodeToISO88596::CreateInstance,
"Unicode",
"ISO-8859-6"
},
{
&kUnicodeToISO88597CID,
nsUnicodeToISO88597::CreateInstance,
"Unicode",
"ISO-8859-7"
},
{
&kUnicodeToISO88598CID,
nsUnicodeToISO88598::CreateInstance,
"Unicode",
"ISO-8859-8"
},
{
&kUnicodeToISO88599CID,
nsUnicodeToISO88599::CreateInstance,
"Unicode",
"ISO-8859-9"
},
{
&kUnicodeToISO885910CID,
nsUnicodeToISO885910::CreateInstance,
"Unicode",
"ISO-8859-10"
},
{
&kUnicodeToISO885913CID,
nsUnicodeToISO885913::CreateInstance,
"Unicode",
"ISO-8859-13"
},
{
&kUnicodeToISO885914CID,
nsUnicodeToISO885914::CreateInstance,
"Unicode",
"ISO-8859-14"
},
{
&kUnicodeToISO885915CID,
nsUnicodeToISO885915::CreateInstance,
"Unicode",
"ISO-8859-15"
},
{
&kUnicodeToISOIR111CID,
nsUnicodeToISOIR111::CreateInstance,
"Unicode",
"ISO-IR-111"
},
{
&kUnicodeToCP1250CID,
nsUnicodeToCP1250::CreateInstance,
"Unicode",
"windows-1250"
},
{
&kUnicodeToCP1251CID,
nsUnicodeToCP1251::CreateInstance,
"Unicode",
"windows-1251"
},
{
&kUnicodeToCP1252CID,
nsUnicodeToCP1252::CreateInstance,
"Unicode",
"windows-1252"
},
{
&kUnicodeToCP1253CID,
nsUnicodeToCP1253::CreateInstance,
"Unicode",
"windows-1253"
},
{
&kUnicodeToCP1254CID,
nsUnicodeToCP1254::CreateInstance,
"Unicode",
"windows-1254"
},
{
&kUnicodeToCP1255CID,
nsUnicodeToCP1255::CreateInstance,
"Unicode",
"windows-1255"
},
{
&kUnicodeToCP1256CID,
nsUnicodeToCP1256::CreateInstance,
"Unicode",
"windows-1256"
},
{
&kUnicodeToCP1257CID,
nsUnicodeToCP1257::CreateInstance,
"Unicode",
"windows-1257"
},
{
&kUnicodeToCP1258CID,
nsUnicodeToCP1258::CreateInstance,
"Unicode",
"windows-1258"
},
{
&kUnicodeToCP874CID,
nsUnicodeToCP874::CreateInstance,
"Unicode",
"TIS-620"
},
{
&kUnicodeToCP866CID,
nsUnicodeToCP866::CreateInstance,
"Unicode",
"IBM866"
},
{
&kUnicodeToKOI8RCID,
nsUnicodeToKOI8R::CreateInstance,
"Unicode",
"KOI8-R"
},
{
&kUnicodeToKOI8UCID,
nsUnicodeToKOI8U::CreateInstance,
"Unicode",
"KOI8-U"
},
{
&kUnicodeToMacRomanCID,
nsUnicodeToMacRoman::CreateInstance,
"Unicode",
"x-mac-roman"
},
{
&kUnicodeToMacCECID,
nsUnicodeToMacCE::CreateInstance,
"Unicode",
"x-mac-ce"
},
{
&kUnicodeToMacGreekCID,
nsUnicodeToMacGreek::CreateInstance,
"Unicode",
"x-mac-greek"
},
{
&kUnicodeToMacTurkishCID,
nsUnicodeToMacTurkish::CreateInstance,
"Unicode",
"x-mac-turkish"
},
{
&kUnicodeToMacCroatianCID,
nsUnicodeToMacCroatian::CreateInstance,
"Unicode",
"x-mac-croatian"
},
{
&kUnicodeToMacRomanianCID,
nsUnicodeToMacRomanian::CreateInstance,
"Unicode",
"x-mac-romanian"
},
{
&kUnicodeToMacCyrillicCID,
nsUnicodeToMacCyrillic::CreateInstance,
"Unicode",
"x-mac-cyrillic"
},
{
&kUnicodeToMacUkrainianCID,
nsUnicodeToMacUkrainian::CreateInstance,
"Unicode",
"x-mac-ukrainian"
},
{
&kUnicodeToMacIcelandicCID,
nsUnicodeToMacIcelandic::CreateInstance,
"Unicode",
"x-mac-icelandic"
},
{
&kUnicodeToARMSCII8CID,
nsUnicodeToARMSCII8::CreateInstance,
"Unicode",
"armscii-8"
},
{
&kUnicodeToTCVN5712CID,
nsUnicodeToTCVN5712::CreateInstance,
"Unicode",
"x-viet-tcvn5712"
},
{
&kUnicodeToVISCIICID,
nsUnicodeToVISCII::CreateInstance,
"Unicode",
"VISCII"
},
{
&kUnicodeToVPSCID,
nsUnicodeToVPS::CreateInstance,
"Unicode",
"x-viet-vps"
},
{
&kUnicodeToUTF8CID,
nsUnicodeToUTF8::CreateInstance,
"Unicode",
"UTF-8"
},
{
&kUnicodeToUTF7CID,
nsUnicodeToUTF7::CreateInstance,
"Unicode",
"UTF-7"
},
{
&kUnicodeToMUTF7CID,
nsUnicodeToMUTF7::CreateInstance,
"Unicode",
"x-imap4-modified-utf7"
},
{
&kUnicodeToUTF16BECID,
// nsUnicodeToUCS2BE::CreateInstance,
NEW_UnicodeToUTF16BE,
"Unicode",
"UTF-16BE"
},
{
&kUnicodeToUTF16LECID,
// nsUnicodeToUCS2LE::CreateInstance,
NEW_UnicodeToUTF16LE,
"Unicode",
"UTF-16LE"
},
{
&kUnicodeToUTF16CID,
NEW_UnicodeToUTF16,
"Unicode",
"UTF-16"
},
{
&kUnicodeToUTF32BECID,
nsUnicodeToUCS4BE::CreateInstance,
"Unicode",
"UTF-32BE"
},
{
&kUnicodeToUTF32LECID,
nsUnicodeToUCS4LE::CreateInstance,
"Unicode",
"UTF-32LE"
},
{
&kUnicodeToT61CID,
nsUnicodeToT61::CreateInstance,
"Unicode",
"T.61-8bit"
},
{
&kUnicodeToUserDefinedCID,
nsUnicodeToUserDefined::CreateInstance,
"Unicode",
"x-user-defined"
},
{
&kUnicodeToSymbolCID,
nsUnicodeToSymbol::CreateInstance,
"Unicode",
"Adobe-Symbol-Encoding"
},
{
&kUnicodeToZapfDingbatsCID,
nsUnicodeToZapfDingbat::CreateInstance,
"Unicode",
"x-zapf-dingbats"
}
};
#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
{
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);
};
//----------------------------------------------------------------------------
// Class nsConverterModule [declaration]
class nsConverterModule : public nsIModule
{
NS_DECL_ISUPPORTS
NS_DECL_NSIMODULE
private:
PRBool mInitialized;
void Shutdown();
public:
nsConverterModule();
virtual ~nsConverterModule();
nsresult Initialize();
};
//----------------------------------------------------------------------------
// Global functions and data [implementation]
static nsConverterModule * gModule = NULL;
extern "C" NS_EXPORT nsresult NSGetModule(nsIComponentManager * compMgr,
nsIFile* location,
nsIModule** return_cobj)
{
nsresult rv = NS_OK;
NS_ENSURE_ARG_POINTER(return_cobj);
NS_ENSURE_FALSE(gModule, NS_ERROR_FAILURE);
// Create an initialize the module instance
nsConverterModule * m = new nsConverterModule();
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;
}
//----------------------------------------------------------------------------
// Class nsConverterFactory [implementation]
NS_IMPL_THREADSAFE_ISUPPORTS1(nsConverterFactory, nsIFactory);
nsConverterFactory::nsConverterFactory(FactoryData * aData)
{
mData = aData;
NS_INIT_REFCNT();
PR_AtomicIncrement(&g_InstanceCount);
}
nsConverterFactory::~nsConverterFactory()
{
PR_AtomicDecrement(&g_InstanceCount);
}
//----------------------------------------------------------------------------
// 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;
NS_ADDREF(t); // Stabilize
nsresult res = t->QueryInterface(aIID, aResult);
NS_RELEASE(t); // Destabilize and avoid leaks. Avoid calling delete <interface pointer>
return res;
}
NS_IMETHODIMP nsConverterFactory::LockFactory(PRBool aLock)
{
if (aLock) PR_AtomicIncrement(&g_LockCount);
else PR_AtomicDecrement(&g_LockCount);
return NS_OK;
}
//----------------------------------------------------------------------------
// Class nsConverterModule [implementation]
NS_IMPL_THREADSAFE_ISUPPORTS1(nsConverterModule, nsIModule);
nsConverterModule::nsConverterModule()
: mInitialized(PR_FALSE)
{
NS_INIT_ISUPPORTS();
}
nsConverterModule::~nsConverterModule()
{
Shutdown();
}
nsresult nsConverterModule::Initialize()
{
return NS_OK;
}
void nsConverterModule::Shutdown()
{
}
//----------------------------------------------------------------------------
// Interface nsIModule [implementation]
NS_IMETHODIMP nsConverterModule::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;
}
FactoryData * data;
nsConverterFactory * fact;
// XXX cache these factories
for (PRUint32 i=0; i<ARRAY_SIZE(g_FactoryData); i++) {
data = &(g_FactoryData[i]);
if (aClass.Equals(*(data->mCID))) {
fact = new nsConverterFactory(data);
if (fact == NULL) {
return NS_ERROR_OUT_OF_MEMORY;
}
rv = fact->QueryInterface(aIID, (void **) r_classObj);
if (NS_FAILED(rv)) delete fact;
return rv;
}
}
return NS_ERROR_FACTORY_NOT_REGISTERED;
}
NS_IMETHODIMP nsConverterModule::RegisterSelf(nsIComponentManager *aCompMgr,
nsIFile* aPath,
const char* registryLocation,
const char* componentType)
{
nsresult res;
PRUint32 i;
nsIRegistry * registry = NULL;
nsRegistryKey key;
char buff[1024];
// get the registry
res = nsServiceManager::GetService(NS_REGISTRY_PROGID,
NS_GET_IID(nsIRegistry), (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];
char * cid_string;
for (i=0; i<ARRAY_SIZE(g_FactoryData); i++) {
if(0==PL_strcmp(g_FactoryData[i].mCharsetSrc,"Unicode"))
{
PL_strcpy(name, ENCODER_NAME_BASE);
PL_strcat(name, g_FactoryData[i].mCharsetDest);
PL_strcpy(progid, NS_UNICODEENCODER_PROGID_BASE);
PL_strcat(progid, g_FactoryData[i].mCharsetDest);
} else {
PL_strcpy(name, DECODER_NAME_BASE);
PL_strcat(name, g_FactoryData[i].mCharsetSrc);
PL_strcpy(progid, NS_UNICODEDECODER_PROGID_BASE);
PL_strcat(progid, g_FactoryData[i].mCharsetSrc);
}
// register component
res = aCompMgr->RegisterComponentSpec(*(g_FactoryData[i].mCID), name,
progid, aPath, 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; refine this code
cid_string = g_FactoryData[i].mCID->ToString();
sprintf(buff, "%s/%s", "software/netscape/intl/uconv", cid_string);
nsCRT::free(cid_string);
res = registry -> AddSubtree(nsIRegistry::Common, buff, &key);
if (NS_FAILED(res)) goto done;
res = registry -> SetStringUTF8(key, "source", g_FactoryData[i].mCharsetSrc);
if (NS_FAILED(res)) goto done;
res = registry -> SetStringUTF8(key, "destination", g_FactoryData[i].mCharsetDest);
if (NS_FAILED(res)) goto done;
}
done:
if (registry != NULL) {
nsServiceManager::ReleaseService(NS_REGISTRY_PROGID, registry);
}
return res;
}
NS_IMETHODIMP nsConverterModule::UnregisterSelf(nsIComponentManager *aCompMgr,
nsIFile* aPath,
const char* registryLocation)
{
// XXX also delete the stuff I added to the registry
nsresult rv;
for (PRUint32 i=0; i<ARRAY_SIZE(g_FactoryData); i++) {
rv = aCompMgr->UnregisterComponentSpec(*(g_FactoryData[i].mCID), aPath);
}
return NS_OK;
}
NS_IMETHODIMP nsConverterModule::CanUnload(nsIComponentManager *aCompMgr,
PRBool *okToUnload)
{
if (!okToUnload) {
return NS_ERROR_INVALID_POINTER;
}
*okToUnload = (g_InstanceCount == 0 && g_LockCount == 0);
return NS_OK;
}
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