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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nscore.h"
#include "nsUniversalDetector.h"
#include "nsUdetXPCOMWrapper.h"
#include "nsCharSetProber.h" // for DumpStatus
#include "nsUniversalCharDetDll.h"
//---- for XPCOM
#include "nsIFactory.h"
#include "nsISupports.h"
#include "nsCOMPtr.h"
//---------------------------------------------------------------------
nsXPCOMDetector:: nsXPCOMDetector()
: nsUniversalDetector()
{
}
//---------------------------------------------------------------------
nsXPCOMDetector::~nsXPCOMDetector()
{
}
//---------------------------------------------------------------------
NS_IMPL_ISUPPORTS(nsXPCOMDetector, nsICharsetDetector)
//---------------------------------------------------------------------
NS_IMETHODIMP nsXPCOMDetector::Init(
nsICharsetDetectionObserver* aObserver)
{
NS_ASSERTION(mObserver == nullptr , "Init twice");
if(nullptr == aObserver)
return NS_ERROR_ILLEGAL_VALUE;
mObserver = aObserver;
return NS_OK;
}
//----------------------------------------------------------
NS_IMETHODIMP nsXPCOMDetector::DoIt(const char* aBuf,
uint32_t aLen, bool* oDontFeedMe)
{
NS_ASSERTION(mObserver != nullptr , "have not init yet");
if((nullptr == aBuf) || (nullptr == oDontFeedMe))
return NS_ERROR_ILLEGAL_VALUE;
this->Reset();
nsresult rv = this->HandleData(aBuf, aLen);
if (NS_FAILED(rv))
return rv;
if (mDone)
{
if (mDetectedCharset)
Report(mDetectedCharset);
*oDontFeedMe = true;
}
*oDontFeedMe = false;
return NS_OK;
}
//----------------------------------------------------------
NS_IMETHODIMP nsXPCOMDetector::Done()
{
NS_ASSERTION(mObserver != nullptr , "have not init yet");
#ifdef DEBUG_chardet
for (int32_t i = 0; i < NUM_OF_CHARSET_PROBERS; i++)
{
// If no data was received the array might stay filled with nulls
// the way it was initialized in the constructor.
if (mCharSetProbers[i])
mCharSetProbers[i]->DumpStatus();
}
#endif
this->DataEnd();
return NS_OK;
}
//----------------------------------------------------------
void nsXPCOMDetector::Report(const char* aCharset)
{
NS_ASSERTION(mObserver != nullptr , "have not init yet");
#ifdef DEBUG_chardet
printf("Universal Charset Detector report charset %s . \r\n", aCharset);
#endif
mObserver->Notify(aCharset, eBestAnswer);
}
//---------------------------------------------------------------------
nsXPCOMStringDetector:: nsXPCOMStringDetector()
: nsUniversalDetector()
{
}
//---------------------------------------------------------------------
nsXPCOMStringDetector::~nsXPCOMStringDetector()
{
}
//---------------------------------------------------------------------
NS_IMPL_ISUPPORTS(nsXPCOMStringDetector, nsIStringCharsetDetector)
//---------------------------------------------------------------------
void nsXPCOMStringDetector::Report(const char *aCharset)
{
mResult = aCharset;
#ifdef DEBUG_chardet
printf("New Charset Prober report charset %s . \r\n", aCharset);
#endif
}
//---------------------------------------------------------------------
NS_IMETHODIMP nsXPCOMStringDetector::DoIt(const char* aBuf,
uint32_t aLen, const char** oCharset,
nsDetectionConfident &oConf)
{
mResult = nullptr;
this->Reset();
nsresult rv = this->HandleData(aBuf, aLen);
if (NS_FAILED(rv))
return rv;
this->DataEnd();
if (mResult)
{
*oCharset=mResult;
oConf = eBestAnswer;
}
return NS_OK;
}
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