/*

 * CCPixAbstractSearcher.cpp

 *

 *  Created on: Oct 8, 2009

 *      Author: admin

 */

#include "CCpixAbstractSearcher.h"

#include "Common.h"

#include "SearchServerHelper.h"

#include "CSearchDocument.h"

CCPixAbstractSearcher::~CCPixAbstractSearcher() {} 

namespace {

/**

 * cpix_DocFieldEnum destroyer for TCleanupItem

 * @param aCpixDocFieldEnum CPix document

 */

void CpixDocFieldEnumDestroyer(TAny* aCpixDocFieldEnum)

	{

	cpix_DocFieldEnum_destroy( static_cast<cpix_DocFieldEnum*>( aCpixDocFieldEnum ) );

	}

} // namespace

CSearchDocument* CCPixAbstractSearcher::ConvertDocumentL( cpix_Document* aDocument )

	{

	// Read first the system fields that are passed as constructor parameters 

	// 

	const wchar_t* documentId = cpix_Document_getFieldValue( aDocument, LCPIX_DOCUID_FIELD);

	SearchServerHelper::CheckCpixErrorL(aDocument, KErrDatabaseQueryFailed);

	TPtrC documentIdPtr(KNullDesC);

	if (documentId)

		documentIdPtr.Set(reinterpret_cast<const TUint16*>(documentId));

	const wchar_t* documentAppClass = cpix_Document_getFieldValue(aDocument, LCPIX_APPCLASS_FIELD);

	SearchServerHelper::CheckCpixErrorL(aDocument, KErrDatabaseQueryFailed);

	TPtrC documentAppClassPtr(KNullDesC);

	if (documentAppClass)

		documentAppClassPtr.Set(reinterpret_cast<const TUint16*>(documentAppClass));

	const wchar_t* documentExcerpt = cpix_Document_getFieldValue(aDocument, LCPIX_EXCERPT_FIELD);

	SearchServerHelper::CheckCpixErrorL(aDocument, KErrDatabaseQueryFailed);

	TPtrC documentExcerptPtr(KNullDesC);

	if (documentExcerpt)

		documentExcerptPtr.Set(reinterpret_cast<const TUint16*>(documentExcerpt));

	// Setup the document

	// 

	CSearchDocument* document = CSearchDocument::NewLC(documentIdPtr, documentAppClassPtr, documentExcerptPtr);

	// Enumerate the field of cpix_Document and add each of them 

	// into the CSearchDocument object. 

	// 

	cpix_DocFieldEnum* docFieldEnum = cpix_Document_fields(aDocument);

	SearchServerHelper::CheckCpixErrorL(aDocument, KErrDocumentAccessFailed);

	CleanupStack::PushL( TCleanupItem(CpixDocFieldEnumDestroyer, docFieldEnum) ); 

	cpix_Field field;

	while (cpix_DocFieldEnum_hasMore(docFieldEnum))

		{

		cpix_DocFieldEnum_next(docFieldEnum, &field);

		SearchServerHelper::CheckCpixErrorL(docFieldEnum, KErrDatabaseQueryFailed);

		const wchar_t* name = cpix_Field_name(&field);

		SearchServerHelper::CheckCpixErrorL(&field, KErrDatabaseQueryFailed);

		TPtrC namePtr( reinterpret_cast<const TUint16*>( name ) );

		if (    namePtr == TPtrC( (TUint16*)LCPIX_DOCUID_FIELD )

			 || namePtr == TPtrC( (TUint16*)LCPIX_APPCLASS_FIELD )

			 || namePtr == TPtrC( (TUint16*)LCPIX_EXCERPT_FIELD ) )

			{

			continue;  // These fields have already been added

			}

		const wchar_t* value = cpix_Field_stringValue(&field);

		SearchServerHelper::CheckCpixErrorL(&field, KErrDatabaseQueryFailed);

		TPtrC stringvalue( reinterpret_cast<const TUint16*>( value ) );

		// NOTE: Also system fields will be iterated. Because  

		//       the field name is not checked, all _appclass,

		//       _excerpt etc. fields  will be overwritten. 

		document->AddFieldL(namePtr, stringvalue);

		}

	CleanupStack::PopAndDestroy(docFieldEnum);

	CleanupStack::Pop(document);

	return document;

	}