Symaptic: os/ossrv/compressionlibs/ziplib/test/oldezlib/EZLib/zstream.cpp@260cb5ec6c19

     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #include "OldEZstream.h"

    17 using namespace TOLDEZLIB;

    19 CEZZStream::CEZZStream() : iOutputPointer(NULL), iOutputBufferLength(0)

    20 	{

    22 	}

    24 /**

    25 Set the stream's input buffer

    27 @param aInputData the input buffer for this stream

    28 */

    29 EXPORT_C void CEZZStream::SetInput(const TDesC8& aInputData)

    30 	{

    31 	iStream.avail_in = aInputData.Size();

    32 	iStream.next_in = STATIC_CAST(Bytef* ,CONST_CAST(TUint8 *,aInputData.Ptr()));

    33 	}

    35 /**

    36 Set the stream's output buffer

    38 @param aOutputData the output buffer for this stream

    39 */

    40 EXPORT_C void CEZZStream::SetOutput(TDes8& aOutputData)

    41 	{

    42 	iOutputPointer = STATIC_CAST(Bytef* ,CONST_CAST(TUint8 *,aOutputData.Ptr()));

    43 	iOutputBufferLength = aOutputData.MaxSize();

    44 	iStream.avail_out = iOutputBufferLength;

    45 	iStream.next_out = iOutputPointer;

    46 	}

    48 /**

    49 Return the progress of the current operation - that is the percentage of bytes written / read

    51 @param aTotalLength the total number of bytes to read / write

    52 @return the progress as a percentage - the number of bytes written / read out of the total target

    53 */

    54 EXPORT_C TInt CEZZStream::Progress(TInt aTotalLength) const

    55 	{

    56 	return (aTotalLength == 0) ? 100 : ((iStream.total_in  * 100) / aTotalLength);

    57 	}

    59 /**

    60 Return the total number of bytes output so far

    62 @return the total number of bytes output so far

    63 */

    64 EXPORT_C TInt CEZZStream::TotalOut() const

    65 	{

    66 	return iStream.total_out;

    67 	}

    69 /**

    70 Return the total number of input bytes read so far

    72 @return the total number of input bytes read so far

    73 */

    74 EXPORT_C TInt CEZZStream::TotalIn() const

    75 	{

    76 	return iStream.total_in;

    77 	}

    79 /**

    80 Return the value of the uncompressed data

    82 @return the value of the uncompressed data

    83 */

    84 EXPORT_C TInt32 CEZZStream::Adler32() const

    85 	{

    86 	return iStream.adler;

    87 	}

    89 /**

    90 Return the number of bytes available at the next input byte

    92 @return the number of bytes available at the next input byte

    93 */

    94 EXPORT_C TInt CEZZStream::AvailIn() const

    95 	{

    96 	return iStream.avail_in;

    97 	}

    99 /**

   100 Return the remaining free space at next output byte target

   102 @return the remaining free space at next output byte target

   103 */

   104 EXPORT_C TInt CEZZStream::AvailOut() const

   105 	{

   106 	return iStream.avail_out;

   107 	}

   109 /**

   110 Return a decriptor pointer to the output buffer

   112 @return a decriptor pointer to the output buffer

   113 */

   114 EXPORT_C TPtrC8 CEZZStream::OutputDescriptor() const

   115 	{

   116 	return TPtrC8(iOutputPointer,iOutputBufferLength - iStream.avail_out);

   117 	}

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--