/*

* Copyright (c) 2008 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 <f32file.h>

#include <utf.h>

#include <xml/documentparameters.h>

#include "creator_randomdataparser.h"

#include "creator_traces.h"

// XML element names

_LIT(KRootElement, "creatordata");

_LIT(KFirstName, "firstname");

_LIT(KSurname, "surname");

_LIT(KCompany, "company");

_LIT(KAddress, "address");

_LIT(KJobTitle, "jobtitle");

_LIT(KPhoneNumber, "phonenumber");

_LIT(KGroupName, "groupname");

_LIT(KMeetingReason, "meetingreason");

_LIT(KMeetingPlace, "meetingplace");

_LIT(KMemoText, "memo");

_LIT(KAnniversaryReason, "anniversary");

_LIT(KToDoText, "todo");

_LIT(KReminderText, "reminder");

_LIT(KMessageSubject, "messagesubject");

_LIT(KMessageText, "messagetext");

_LIT(KCity, "city");

_LIT(KCountry, "country");

_LIT(KPostcode, "postcode");

_LIT(KState, "state");

_LIT(KPobox, "pobox");

_LIT(KPrefix, "prefix");

_LIT(KSuffix, "suffix");

_LIT(KLandmarkName, "landmarkname");

_LIT(KLandmarkDescription, "landmarkdescription");

using namespace Xml;

CCreatorRandomDataParser::CCreatorRandomDataParser() 

    {        

    }

void CCreatorRandomDataParser::ConstructL()

    {

    LOGSTRING("Creator: CCreatorRandomDataParser::ConstructL");

	iElementNameArray = new (ELeave) CDesCArrayFlat(32);

	iElementNameArray->InsertL(EFirstName, KFirstName);

	iElementNameArray->InsertL(ESurname, KSurname);

	iElementNameArray->InsertL(ECompany, KCompany);

	iElementNameArray->InsertL(EAddress, KAddress);

	iElementNameArray->InsertL(EJobTitle, KJobTitle);

	iElementNameArray->InsertL(EPhoneNumber, KPhoneNumber);

	iElementNameArray->InsertL(EGroupName, KGroupName);

	iElementNameArray->InsertL(EMeetingReason, KMeetingReason);

	iElementNameArray->InsertL(EMeetingPlace, KMeetingPlace);

	iElementNameArray->InsertL(EMemoText, KMemoText);

	iElementNameArray->InsertL(EAnniversaryReason, KAnniversaryReason);

	iElementNameArray->InsertL(EToDoText, KToDoText);

	iElementNameArray->InsertL(EReminderText, KReminderText);

	iElementNameArray->InsertL(EMessageSubject, KMessageSubject);

	iElementNameArray->InsertL(EMessageText, KMessageText);

	iElementNameArray->InsertL(ECity, KCity);

	iElementNameArray->InsertL(ECountry, KCountry);

	iElementNameArray->InsertL(EPostcode, KPostcode);

	iElementNameArray->InsertL(EState, KState);

	iElementNameArray->InsertL(EPobox, KPobox);

	iElementNameArray->InsertL(EPrefix, KPrefix);

	iElementNameArray->InsertL(ESuffix, KSuffix);

	iElementNameArray->InsertL(ELandmarkName, KLandmarkName);

	iElementNameArray->InsertL(ELandmarkDescription, KLandmarkDescription);

	iContentData = HBufC::NewL(16);

    iResultArray = new (ELeave) CDesCArrayFlat(16);

    }

CCreatorRandomDataParser* CCreatorRandomDataParser::NewL()

    {

    LOGSTRING("Creator: CCreatorRandomDataParser::NewL");

    CCreatorRandomDataParser* self = CCreatorRandomDataParser::NewLC();    

    CleanupStack::Pop();

    return self;

    }

CCreatorRandomDataParser* CCreatorRandomDataParser::NewLC()

    {

    LOGSTRING("Creator: CCreatorRandomDataParser::NewLC");

    CCreatorRandomDataParser* self = new (ELeave) CCreatorRandomDataParser;

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

CCreatorRandomDataParser::~CCreatorRandomDataParser()

    {

    delete iParser;

    delete iResultArray;

    delete iContentData;

    delete iElementNameArray;

    }

void CCreatorRandomDataParser::GetTextFileMode(RFile& aFile, TInt& aFileSize) 

    { 

    LOGSTRING("Creator: CCreatorRandomDataParser::GetTextFileMode");

    iScriptTextFormat = EFormatANSIASCII; 

    // if we are working with text files, check the type first   

    TBuf8<4> BOM; 

    // first check for UTF-16 

    if (aFileSize >= 2 && aFile.Read(0, BOM, 2) == KErrNone) 

        { 

        if (BOM.Length()==2 && BOM[0]==0xFF && BOM[1]==0xFE) 

            { 

            iScriptTextFormat = EFormatUTF16LE; 

            aFileSize -= 2; 

            return; 

            } 

        else if (BOM.Length()==2 && BOM[0]==0xFE && BOM[1]==0xFF) 

            { 

            iScriptTextFormat = EFormatUTF16BE; 

            aFileSize -= 2; 

            return;                 

            }       

        }

        // then check for UTF-8 

    if (aFileSize >= 3 && aFile.Read(0, BOM, 3) == KErrNone) 

        { 

        if (BOM.Length()==3 && BOM[0]==0xEF && BOM[1]==0xBB && BOM[2]==0xBF) 

            { 

            iScriptTextFormat = EFormatUTF8; 

            aFileSize -= 3; 

            return; 

            } 

        }

    // none of those, seek back to beginning 

    TInt pos(0); 

    aFile.Seek(ESeekStart, pos); 

    }    

CDesCArrayFlat* CCreatorRandomDataParser::ParseL(const TDesC& aFileName, const TRandomDataType aDataType)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::ParseL: %S", &aFileName);

    iDataType = aDataType;

    // Create and start XML-parser

    if( iParser == 0)

        {

        _LIT8(KXmlMimeType, "text/xml");

        iParser = CParser::NewL(KXmlMimeType, *this);        

        }

    RFs filesession;

    CleanupClosePushL(filesession);

    User::LeaveIfError( filesession.Connect() );

    iResultArray->Reset();

    Xml::ParseL(*iParser, filesession, aFileName);

    CleanupStack::PopAndDestroy(&filesession); // filesession 

    CDesCArrayFlat* tempArray = new (ELeave) CDesCArrayFlat(8);

    CleanupStack::PushL(tempArray);

    for (TInt i = 0; i < iResultArray->MdcaCount(); i++)

    	{

    	tempArray->AppendL(iResultArray->MdcaPoint(i));

    	}

    CleanupStack::Pop(tempArray);

    return tempArray;

    }

void CCreatorRandomDataParser::OnStartDocumentL(const Xml::RDocumentParameters& /*aDocParam*/, TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnStartDocumentL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);    

    iInsideRootElement = EFalse;

	iContentParsingActive = EFalse;

    }

void CCreatorRandomDataParser::OnEndDocumentL(TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnEndDocumentL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    }

void CCreatorRandomDataParser::OnStartPrefixMappingL(const RString& /*aPrefix*/, 

                                                     const RString& /*aUri*/, 

                                                     TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnStartPrefixMappingL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    }

void CCreatorRandomDataParser::OnEndPrefixMappingL(const RString& /*aPrefix*/, TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnEndPrefixMappingL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    }

void CCreatorRandomDataParser::OnIgnorableWhiteSpaceL(const TDesC8& /*aBytes*/, TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnIgnorableWhiteSpaceL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    }

void CCreatorRandomDataParser::OnSkippedEntityL(const RString& /*aName*/, TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnSkippedEntityL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    }

void CCreatorRandomDataParser::OnProcessingInstructionL(const TDesC8& /*aTarget*/, 

                                                        const TDesC8& /*aData*/, 

                                                        TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnProcessingInstructionL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    }

void CCreatorRandomDataParser::OnError(TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnError: %d", aErrorCode);

    iLastError = aErrorCode;

    }

TAny* CCreatorRandomDataParser::GetExtendedInterface(const TInt32 aUid)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::GetExtendedInterface (UID: %d)", aUid);

    return this;

    }

void CCreatorRandomDataParser::OnStartElementL(const Xml::RTagInfo& aElement,

                                               const Xml::RAttributeArray& /*aAttributes*/,

                                               TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnStartElementL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    const TDesC8& elementName8 = aElement.LocalName().DesC();        

    HBufC* elementName16 = Convert8BitTo16BitLC(elementName8);

    if (iInsideRootElement || (elementName16->Des() == KRootElement))

    	{

    	iInsideRootElement = ETrue;

    	}

    if (iInsideRootElement && (elementName16->Des() == iElementNameArray->MdcaPoint(iDataType)))

    	{

        iContentParsingActive = ETrue;

        iContentData->Des().Zero();

    	}

    CleanupStack::PopAndDestroy(elementName16);

    }

void CCreatorRandomDataParser::OnEndElementL(const Xml::RTagInfo& aElement, TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnEndElementL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    const TDesC8& elementName8 = aElement.LocalName().DesC();

    HBufC* elementName16 = Convert8BitTo16BitLC(elementName8);

    if (!iInsideRootElement || (elementName16->Des() == KRootElement))

    	{

    	iInsideRootElement = EFalse;

    	}

    CleanupStack::PopAndDestroy(elementName16);

    if (iContentParsingActive)

		{

	    if (iContentData->Des().Length() > 0)

	    	{

	    	iResultArray->AppendL(*iContentData);

	    	}

        iContentParsingActive = EFalse;

		}

    }

void CCreatorRandomDataParser::OnContentL(const TDesC8& aBytes, TInt aErrorCode)

    {

    LOGSTRING2("Creator: CCreatorRandomDataParser::OnContentL (Error code: %d)", aErrorCode);

    User::LeaveIfError(aErrorCode);

    if (iContentParsingActive)

    	{

        HBufC* data16 = Convert8BitTo16BitLC(aBytes);

        TInt newLen = iContentData->Des().Length() + data16->Des().Length();

        iContentData = iContentData->ReAllocL(newLen);

        iContentData->Des().Append(*data16);

        CleanupStack::PopAndDestroy(data16);

    	}

    }

HBufC16* CCreatorRandomDataParser::Convert8BitTo16BitLC(const TDesC8& aInput) 

    {     

    LOGSTRING("Creator: CCreatorRandomDataParser::Convert8BitTo16BitLC");

    HBufC16* output = NULL;

    output = CnvUtfConverter::ConvertToUnicodeFromUtf8L(aInput);

    CleanupStack::PushL(output);

    return output;          

    } 

TInt CCreatorRandomDataParser::GetError() const 

	{

    return iLastError;

	}