recsid.cpp

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#include "recsid.h"

#ifdef _UNICODE
const TUid KUidRecSid = {0x10009a99};
#else
const TUid KUidRecSid = {0x10009a98};
#endif

const TInt KMinBufferLength =    5; // minimum amount of file needed to determine a SID file IF it's not called .sid
const TInt KMaxBufferLength = 1000; // maximum amount of buffer space we will ever use

_LIT8(KRecSidSignature, "PSID");
_LIT8(KDataTypeSid, "application/sid"); //TODO it this correct ?


//
// implementation of CRecSid
//


CRecSid::CRecSid()
        :CApaDataRecognizerType(KUidRecSid, CApaDataRecognizerType::ELow)
        {
        iCountDataTypes = 1;
        }


TUint CRecSid::PreferredBufSize()
        {
        return KMaxBufferLength;
        }


TDataType CRecSid::SupportedDataTypeL(TInt aIndex) const
        {
        __ASSERT_DEBUG(aIndex==0, User::Invariant());
        return TDataType(KDataTypeSid);
        }


void CRecSid::DoRecognizeL(const TDesC& /* aName */, const TDesC8& aBuffer)
        {
        // check if file bigger than 5 bytes
        if (aBuffer.Length() < KMinBufferLength)
                return;

        // search for 'PSID'
        if (aBuffer.FindF(KRecSidSignature) >= 0)
                {
                // Yes it was found
                iConfidence = ECertain;
                iDataType = TDataType(KDataTypeSid);
                }
        }


EXPORT_C CApaDataRecognizerType* CreateRecognizer()
        {
        return new CRecSid();
        }


GLDEF_C TInt E32Dll(TDllReason /*aReason*/)
        {
        return KErrNone;
        }

// EOF - recsid.cpp

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