--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filehandling/htmltorichtextconverter/src/CHtmlToCrtConverter.cpp	Tue Feb 02 10:12:00 2010 +0200
@@ -0,0 +1,275 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include "CHtmlToCrtConverter.h"
+#include "CHtmlToCrtConvParser.h"
+#include "CHtmlToCrtConvBuffer.h"
+#include "CHtmlToCrtConvCharsetConvert.h"
+#include <txtrich.h>
+#include <bautils.h>
+#include <s32file.h>
+#include <ecom/implementationproxy.h>
+
+#ifdef __CHTMLTOCRTCONV_COPY_TO_CLIPBOARD__
+	#include <baclipb.h>
+#endif
+
+const TUid KUidCHtmlToCrtConverter={0x1000a90e};
+
+CHtmlToCrtConverter::CHtmlToCrtConverter()
+	{
+	}
+
+CHtmlToCrtConverter::~CHtmlToCrtConverter()
+	{
+	Cleanup();
+	}
+
+void CHtmlToCrtConverter::ConvertL(const TFileName& aSourceFile, const TFileName& aTargetFile, MConverterUiObserver* aObserver)
+	{
+	iObserver=aObserver;
+	PrepForConversionL(aSourceFile, aTargetFile);
+	while(DoConvertL())
+		{
+		}
+	}
+
+void CHtmlToCrtConverter::ConvertAL(const TFileName& aSourceFile, const TFileName& aTargetFile, MConverterUiObserver* aObserver)
+	{
+	iObserver=aObserver;
+	PrepForConversionL(aSourceFile, aTargetFile);
+	}
+
+TBool CHtmlToCrtConverter::DoConvertL()
+	{
+	TBool moreProcessingRequired=ETrue;
+	TBool moreParsingRequired=ETrue;
+	switch(iConverterState)
+		{
+		case EGetCharsetFromPassword:
+			if(iCharsetConvert->GetCharSetFromPasswordL())
+				{
+				iConverterState=EPrepareForConvertToUnicode;
+				}
+			else
+				iConverterState=EGetCharsetFromMetaTag;
+			break;
+		case EGetCharsetFromMetaTag:
+			if(iCharsetConvert->GetCharSetFromMetaTagL())
+				{
+				iConverterState=EPrepareForConvertToUnicode;
+				}
+			else
+				iConverterState=EGetCharsetUsingAutoDetect;
+			break;
+		case EGetCharsetUsingAutoDetect:
+			iCharsetConvert->GetCharSetUsingAutoDetectL();
+			iConverterState=EPrepareForConvertToUnicode;
+			break;
+		case EPrepareForConvertToUnicode:
+			iCharsetConvert->PrepareForConvertToUnicodeL();
+			iConverterState=EDoOneStepOfParsing;
+			break;
+		case EDoOneStepOfParsing:
+			moreParsingRequired=iParser->DoOneStepL();
+			if(!moreParsingRequired)
+				{
+				iConverterState=EFinishedParsing;
+				}
+			break;
+		case EFinishedParsing:
+			FinaliseConversionL();
+			moreProcessingRequired=EFalse;
+			break;
+		default:
+			break;
+		}
+	return moreProcessingRequired;
+	}
+
+TUid CHtmlToCrtConverter::Uid()
+	{
+	return KUidCHtmlToCrtConverter;
+	}
+
+TInt CHtmlToCrtConverter::Capabilities()
+	{
+	return EConvertsFiles;
+	}
+
+void CHtmlToCrtConverter::CancelConvert()
+	{
+	Cleanup();
+	}
+
+void CHtmlToCrtConverter::PrepForConversionL(const TDesC& aSourceFile, const TDesC& aTargetFile)
+	{
+	Cleanup();
+	iParaFormatLayer=CParaFormatLayer::NewL();
+	iCharFormatLayer=CCharFormatLayer::NewL();
+	iText=CRichText::NewL(iParaFormatLayer, iCharFormatLayer);
+
+	iSourceFileName=aSourceFile.AllocL();
+	iTargetFileName=aTargetFile.AllocL();
+	User::LeaveIfError(iFsSession.Connect());
+	LocateAndOpenResourceFileL();
+	iCnvCharacterSetConverter=CCnvCharacterSetConverter::NewL();
+	iBuffer=CHtmlToCrtConvBuffer::NewL(*iSourceFileName, iFsSession, *iCnvCharacterSetConverter);
+	iCharsetConvert=CHtmlToCrtConvCharsetConvert::NewL(*iBuffer, iFsSession, *iCnvCharacterSetConverter, *this, iObserver);
+	iParser=CHtmlToCrtConvParser::NewL(*iText, *iBuffer, *this);
+	if (iObserver)
+		{
+		TEntry entry;
+		User::LeaveIfError(iFsSession.Entry(aSourceFile, entry));
+		iObserver->MaxSteps((entry.iSize / KCharsProcessedInOneStep), 0);
+		}
+	}
+
+void CHtmlToCrtConverter::LocateAndOpenResourceFileL()
+	{
+	_LIT(KResourceFileName, "chtmltocrtconverter.rsc");
+	_LIT(KPath,"\\resource\\convert\\");
+
+	TFileName* resourceFileName=new(ELeave) TFileName(KResourceFileName);
+	CleanupStack::PushL(resourceFileName);
+	BaflUtils::NearestLanguageFile(iFsSession, *resourceFileName);
+	TFileName* fullPathToResourceFile=new(ELeave) TFileName;
+	CleanupStack::PushL(fullPathToResourceFile);
+
+#ifdef __CHTMLTOCRTCONV_TESTCODE__
+	//test code uses TFindFile to scan for resource file
+	TFindFile findFile(iFsSession);
+	User::LeaveIfError(findFile.FindByDir(*resourceFileName, KPath)==KErrNone);
+	(*fullPathToResourceFile)=findFile.File();
+#else
+	//use Dll::FileName to get drive letter for converter, then append "\system\convert\'resource file name'"
+	Dll::FileName(*fullPathToResourceFile);
+	fullPathToResourceFile->SetLength(2);
+	fullPathToResourceFile->Append(KPath);
+	fullPathToResourceFile->Append(*resourceFileName);
+#endif
+
+	iResourceFile.OpenL(iFsSession, *fullPathToResourceFile);
+	CleanupStack::PopAndDestroy(2);//fullPathToResourceFile, resourceFileName
+	iResourceFile.ConfirmSignatureL(0);
+	}
+
+HBufC* CHtmlToCrtConverter::ReadResourceHBufCLC(TInt aResourceId)
+	{
+	HBufC8* resource=iResourceFile.AllocReadLC(aResourceId);
+	TResourceReader resourceReader;
+	resourceReader.SetBuffer(resource);
+
+	HBufC* resourceText=resourceReader.ReadHBufCL();
+	CleanupStack::PopAndDestroy(resource);
+	CleanupStack::PushL(resourceText);
+	return resourceText;
+	}
+
+TRgb CHtmlToCrtConverter::ReadResourceTRgbLC(TInt aResourceId)
+	{
+	HBufC8* resource=iResourceFile.AllocReadLC(aResourceId);
+	TResourceReader resourceReader;
+	resourceReader.SetBuffer(resource);
+
+	TRgb resourceColor=0;
+	TInt color=resourceReader.ReadUint8();
+	resourceColor.SetRed(color);
+	color=resourceReader.ReadUint8();
+	resourceColor.SetGreen(color);
+	color=resourceReader.ReadUint8();
+	resourceColor.SetBlue(color);
+
+	CleanupStack::PopAndDestroy(resource);
+	return resourceColor;
+	}
+
+void CHtmlToCrtConverter::Cleanup()
+	{
+	delete iCharsetConvert;
+	iCharsetConvert=NULL;
+	delete iParser;
+	iParser=NULL;
+	delete iBuffer;
+	iBuffer=NULL;
+	delete iCnvCharacterSetConverter;
+	iCnvCharacterSetConverter=NULL;
+	delete iText;
+	iText=NULL;
+	delete iParaFormatLayer;
+	iParaFormatLayer=NULL;
+	delete iCharFormatLayer;
+	iCharFormatLayer=NULL;
+	delete iSourceFileName;
+	iSourceFileName=NULL;
+	delete iTargetFileName;
+	iTargetFileName=NULL;
+	iResourceFile.Close();
+	iFsSession.Close();
+	}
+
+void CHtmlToCrtConverter::FinaliseConversionL()
+	{
+	TInt error=iFsSession.MkDirAll(*iTargetFileName);
+	if(!(error==KErrNone || error==KErrAlreadyExists))
+		User::Leave(error);
+
+	CDirectFileStore* directFileStore=CDirectFileStore::ReplaceLC(iFsSession, *iTargetFileName, EFileWrite);
+	directFileStore->SetTypeL(KDirectFileStoreLayoutUid);
+
+	CStreamDictionary* dictionary=CStreamDictionary::NewLC();
+	if (iText->DocumentLength())
+		{
+		iText->CopyToStoreL(*directFileStore, *dictionary, 0, iText->DocumentLength());
+		}
+
+	RStoreWriteStream storeWriteStream;
+	TStreamId streamId=storeWriteStream.CreateLC(*directFileStore);
+	storeWriteStream << *dictionary;
+	storeWriteStream.CommitL();
+
+	CleanupStack::PopAndDestroy(2); //storeWriteStream, dictionary
+	directFileStore->SetRootL(streamId);
+	directFileStore->CommitL();
+	CleanupStack::PopAndDestroy(directFileStore);
+
+#ifdef __CHTMLTOCRTCONV_COPY_TO_CLIPBOARD__
+	CClipboard* clipboard=CClipboard::NewForWritingLC(iFsSession);
+	if (iText->DocumentLength())
+		{
+		iText->CopyToStoreL((clipboard->Store()), (clipboard->StreamDictionary()), 0, iText->DocumentLength());
+		}
+	clipboard->CommitL();
+	CleanupStack::PopAndDestroy(clipboard);
+#endif
+	}
+
+CConverterBase2* CHtmlToCrtConverter::NewL()
+	{
+	CConverterBase2* newConverter=new (ELeave) CHtmlToCrtConverter();
+	return newConverter;
+	}
+
+const TImplementationProxy ImplementationTable[] =
+    {
+	IMPLEMENTATION_PROXY_ENTRY(0x1000a90e,CHtmlToCrtConverter::NewL)
+    };
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+    {
+    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+    return ImplementationTable;
+    }
+