1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/cryptomgmtlibs/securityutils/source/sectcbutil/miscutil.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,100 @@
     1.4 +/*
     1.5 +* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +* Contains miscellaneous utility functions that can be used by any code in security component
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +/**
    1.24 + @file
    1.25 +*/
    1.26 +
    1.27 +#include "miscutil.h"
    1.28 +
    1.29 +namespace MiscUtil
    1.30 +{
    1.31 +/*
    1.32 + * Function used to extract lines of text from a buffer. Note that this only works for non-unicode text. It skips
    1.33 + * over blank lines and the characters '\n' or '\r' are treated as end-of-line markers.
    1.34 + *
    1.35 + * @param aBuffer		Input buffer
    1.36 + * @param aPos		Starting index into aBuffer
    1.37 + * @return			ETrue if a line was successfully extracted from the buffer, EFalse if end of buffer reached
    1.38 + */
    1.39 +
    1.40 +EXPORT_C TBool ReadNonEmptyLineL(const TDesC8& aBuffer, TInt& aPos, TPtrC8& aLine)
    1.41 +	{
    1.42 +	TBool lineIdentified = ETrue;
    1.43 +	aLine.Set(NULL, 0);
    1.44 +
    1.45 +	TInt bufferLength = aBuffer.Length();
    1.46 +	__ASSERT_ALWAYS(aPos >=0 && aPos <= bufferLength, User::Leave(KErrArgument));
    1.47 +
    1.48 +	// Skip blank lines
    1.49 +	while (aPos < bufferLength)
    1.50 +		{
    1.51 +		TChar  c = aBuffer[aPos];
    1.52 +		if (c != '\r' && c != '\n')
    1.53 +			{
    1.54 +			break;
    1.55 +			}
    1.56 +		aPos++;
    1.57 +		}
    1.58 +
    1.59 +	// Find the position of the next delimter
    1.60 +	TInt endPos = aPos;
    1.61 +	while (endPos < bufferLength)
    1.62 +		{
    1.63 +		TChar c = aBuffer[endPos];
    1.64 +		if (c == '\n' || c == '\r') 	// Find end of line
    1.65 +			{
    1.66 +			break;
    1.67 +			}
    1.68 +		endPos++;
    1.69 +		}
    1.70 +
    1.71 +	if (endPos != aPos)
    1.72 +		{
    1.73 +		TInt tokenLen = endPos - aPos;
    1.74 +		aLine.Set(&aBuffer[aPos], tokenLen);
    1.75 +		}
    1.76 +	else
    1.77 +		{
    1.78 +		lineIdentified = EFalse; // End of buffer
    1.79 +		}
    1.80 +
    1.81 +	aPos = endPos;
    1.82 +	return lineIdentified;
    1.83 +	}
    1.84 +
    1.85 +/*
    1.86 + * Recursively deletes all folders in the path (as long as they are empty)
    1.87 + *
    1.88 + * @param aFs		Connected  filesystem session
    1.89 + * @param aPath		Fully qualified path to start the recursive delete
    1.90 + */
    1.91 +EXPORT_C void DeletePathIfEmpty(RFs& aFs, const TDesC& aPath)
    1.92 +	{
    1.93 +	TParse path;
    1.94 +	path.Set(aPath,NULL,NULL);
    1.95 +
    1.96 +	if (path.PathPresent())
    1.97 +		{
    1.98 +		while ((aFs.RmDir(path.DriveAndPath()) == KErrNone) && (path.PopDir() == KErrNone))
    1.99 +			;
   1.100 +		}		
   1.101 +	}
   1.102 +
   1.103 +}	// namespace MiscUtil