--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/codhandler/ddrecog/src/DdRecog.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,163 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+*      Implementation of class CDdRecog.   
+*      
+*
+*/
+
+
+// INCLUDE FILES
+
+#include <s32std.h>
+#include <apmrec.h>
+#include <apmstd.h>
+#include <f32file.h>
+#include <CodDefs.h>
+#include <CharConv.h>
+#include <ImplementationProxy.h>
+#include "DdRecog.h"
+#include "DdRecogLogger.h"
+
+// ================= CONSTANTS =======================
+
+/// UID of DD Viewer Application.
+LOCAL_D const TUid KDdUidDdViewerApp = { DD_VIEWER_UID };
+/// Preferred recognition buffer size.
+const TInt KPreferedBufferSize = 1024;
+/// DD MIME type string.
+_LIT8( KDdMimeType, DD_MIME_TYPE );
+/// DD file extension.
+_LIT( KDdExt,".dd" );
+/// DD content recognition pattern (8 bit).
+_LIT8( KDd8,"<media");
+/// DD content recognition pattern (16 bit).
+_LIT( KDd16,"<media");
+
+/// DD recog ecom plugin implementation UID.
+LOCAL_D const TInt KDdRecogImplementationUid = 0x10008d55;
+/// ECOM implementation table.
+LOCAL_D const TImplementationProxy ImplementationTable[] =
+    {
+    IMPLEMENTATION_PROXY_ENTRY\
+        ( KDdRecogImplementationUid, CDdRecog::CreateRecognizerL )
+    };
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// CDdRecog::CDdRecog()
+// ---------------------------------------------------------
+//
+CDdRecog::CDdRecog()
+: CApaDataRecognizerType( KDdUidDdViewerApp, CApaDataRecognizerType::ENormal )
+    {
+    iCountDataTypes = 1;
+    }
+
+// ---------------------------------------------------------
+// CDdRecog::PreferredBufSize()
+// ---------------------------------------------------------
+//
+TUint CDdRecog::PreferredBufSize()
+    {
+    return KPreferedBufferSize;
+    }
+
+// ---------------------------------------------------------
+// CDdRecog::SupportedDataTypeL()
+// ---------------------------------------------------------
+//
+TDataType CDdRecog::SupportedDataTypeL( TInt aIndex ) const
+    {
+    switch ( aIndex )
+        {
+        case 0:
+            {
+            return TDataType( KDdMimeType );
+            }
+
+        default:
+            {
+            return TDataType();
+            }
+        }
+    }
+
+// ---------------------------------------------------------
+// CDdRecog::CreateRecognizerL()
+// ---------------------------------------------------------
+//
+CApaDataRecognizerType* CDdRecog::CreateRecognizerL()
+    {
+    return new (ELeave) CDdRecog();
+    }
+
+// ---------------------------------------------------------
+// CDdRecog::DoRecognizeL()
+// ---------------------------------------------------------
+//
+void CDdRecog::DoRecognizeL( const TDesC& aName, const TDesC8& aBuffer )
+    {
+    CLOG_ENTERFN( "CDdRecog::DoRecognizeL" );
+    CLOG_WRITE_FORMAT( "DoRecognize: name: %S", &aName );
+
+    iConfidence = ENotRecognized;
+
+    // Check extension. We cannot use TParse* classes, as the recog is
+    // called with generated filenames which contain invalid chars and
+    // panic TParsePtrC.
+    TInt len( KDdExt().Length() );
+    if( aName.Length() >= len && !aName.Right( len ).CompareF( KDdExt ) )
+        {
+        CLOG_WRITE( "DoRecognize: extension is '.dd'" );
+        // Named ".dd"
+        iDataType = TDataType( KDdMimeType );
+        iConfidence = ECertain;
+        }
+    else
+        {
+        CLOG_WRITE( "DoRecognize: pattern search" );
+        // Not named ".dd". Recognition by pattern-matching.
+        // Prepare pointers to buffer (both 8 and 16 bits).
+        TPtrC8 buf8( aBuffer );
+        if ( aBuffer.Length() > KPreferedBufferSize )
+            {
+            buf8.Set( aBuffer.Left( KPreferedBufferSize ) );
+            }
+        TPtrC buf16( (TText*)buf8.Ptr(), buf8.Length() / 2 );
+        // Find DD-specific pattern in buffer (both 8 and 16 bits).
+        if ( buf8.FindF( KDd8 ) >= 0 || buf16.FindF( KDd16 ) >= 0 )
+            {
+            iDataType = TDataType( KDdMimeType );
+            iConfidence = ECertain;
+            }
+        }
+    CLOG_WRITE_FORMAT( "DoRecognize: confidence: %d", iConfidence );
+    CLOG_LEAVEFN( "CDdRecog::DoRecognizeL" );
+    }
+
+/**
+* Implementation group proxy.
+* @param aTableCount Table count is returned here.
+* @return Implementation table is returned here.
+*/
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy
+( TInt& aTableCount )
+    {
+    aTableCount =
+        sizeof( ImplementationTable ) / sizeof( TImplementationProxy );
+    return ImplementationTable;
+    }