--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/VirtualPhonebook/VPbkEngUtils/src/TFixedDigitString.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2005-2007 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:  Fixed digit string handler class
+*
+*/
+
+
+// INCLUDES
+#include "TFixedDigitString.h"
+#include "Error.h"
+
+namespace VPbkEngUtils {
+
+TFixedDigitString::TFixedDigitString() :
+    // Init all digits to KNaNBCD
+	iBcdDigits(~TUint(0))
+	{
+	}
+
+TInt TFixedDigitString::Length() const
+    {
+    TUint mask = KNaNBCD;
+    TInt length = 0;
+    while ( (length < KMaxDigits) && ((iBcdDigits & mask) ^ mask))
+        {
+        mask <<= KBitsPerDigit;
+        ++length;
+        }
+    return length;
+    }
+
+TBool TFixedDigitString::IsEmpty() const
+    {
+    return (iBcdDigits == ~TUint(0));
+    }
+
+TInt TFixedDigitString::operator[](TInt aIndex) const
+    {
+    __ASSERT_ALWAYS( aIndex >= 0 && aIndex < KMaxDigits, 
+        Error::Panic(Error::EPanicInvalidIndex) );
+
+    const TInt shift = aIndex * KBitsPerDigit;
+    // Extract the digit from iBcdDigits
+    const TUint result = (iBcdDigits & (0xf << shift)) >> shift;
+    if (result != KNaNBCD)
+        {
+        return TInt(result);
+        }
+    else
+        {
+        // aIndex >= Length()
+        Error::Panic(Error::EPanicInvalidIndex);
+        return KNaN;
+        }
+    }
+
+#ifndef NDEBUG
+// Checking version of Compare for debug builds
+TBool TFixedDigitString::Compare(const TFixedDigitString& aOther, TInt aNumDigits) const
+    {
+    __ASSERT_DEBUG( aNumDigits >= 0 && aNumDigits <= KMaxDigits, 
+        Error::Panic(Error::EPanicInvalidValue) );
+    return DoCompare(aOther, aNumDigits);
+    }
+#endif
+        
+void TFixedDigitString::Reset()
+    {
+    // Reset all digits to KNaNBCD
+    iBcdDigits = ~TUint(0);
+    }
+
+
+void TFixedDigitString::EncodeDigits(TPtrC& aDigitsText)
+    {
+    // Reset all digits to zero
+    iBcdDigits = 0;
+
+    // Init loop counters
+    TInt shift = 0;
+    TInt textPos = 0;
+    const TInt textLen = aDigitsText.Length();
+
+    while (textPos < textLen && shift < KMaxBits)
+        {
+        const TInt numVal = TChar(aDigitsText[textPos++]).GetNumericValue();
+        if (numVal >= 0 && numVal <= 9)
+            {
+            // Encode the digit to current position
+            iBcdDigits |= TUint(numVal) << shift;
+            shift += KBitsPerDigit;
+            }
+        }
+
+    // Set unused digits to KNanBCD
+    if (shift < KMaxBits)
+        {
+        iBcdDigits |= ~TUint(0) << shift;
+        }
+
+    // Adjust aDigitsText to point to the first character that was not
+    // considered for encoding
+    aDigitsText.Set(aDigitsText.Mid(textPos));
+    }
+
+
+} // namespace VPbkEngUtils
+
+//End of file
+
+