// Copyright (c) 2003-2009 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:

//

#include "eustd.h"

#include <ezcompressor.h>

#include <ezdecompressor.h>

#include <ezlib.h>

#include <ezfilebuffer.h>

#include <f32file.h>

/**

@SYMTestCaseID          SYSLIB-EZLIB-CT-0819

@SYMTestCaseDesc	    Compression and decompression of a file test

@SYMTestPriority 	    High

@SYMTestActions  	    Read the input file given as the parameter from the command line.

                        Compress and decompress the read file.

						Leave on error.

@SYMTestExpectedResults Test must not fail

@SYMREQ                 REQ0000

*/

LOCAL_C void doExampleL()

	{

	RFs rfs;

	rfs.Connect();

    TInt cmdLineLen = User::CommandLineLength();

	if (cmdLineLen <= 0)

		{

		_LIT(KUsage,"Usage:ezfile filename\n");

		console->Printf(KUsage);

		User::Leave(1);

		}

    //(cmdLineLen > 0) case

	HBufC *argv = HBufC::NewLC(cmdLineLen);

	TPtr16 argPtr=argv->Des();

    User::CommandLine(argPtr);

	TLex arguments(*argv);

	TPtrC inputFile(arguments.NextToken());

	HBufC *outputFile = HBufC::NewLC(inputFile.Length()+2);

	_LIT(KOfl,"%S.z");

	outputFile->Des().Format(KOfl,&inputFile);

	HBufC *uncompressedFile = HBufC::NewLC(inputFile.Length()+1);

	_LIT(KUfl,"%S1");

	uncompressedFile->Des().Format(KUfl,&inputFile);

	RFile input;

	RFile output;

	TInt err;

	_LIT(KInfo,"Compressing file %S\n");

	console->Printf(KInfo,&inputFile);

	User::LeaveIfError(input.Open(rfs, inputFile,EFileStream | EFileRead | EFileShareAny));

	CleanupClosePushL(input);

	err = output.Create(rfs, *outputFile,EFileStream | EFileWrite | EFileShareExclusive);

	if (err == KErrAlreadyExists)

		User::LeaveIfError(output.Open(rfs, *outputFile,EFileStream | EFileWrite | EFileShareExclusive));

	else 

		User::LeaveIfError(err);

	CleanupClosePushL(output);

	CEZFileBufferManager *fb = CEZFileBufferManager::NewLC(input,output,16384);

	CEZCompressor *def = CEZCompressor::NewLC(*fb);

	while (def->DeflateL()){/*do nothing*/}

	_LIT(KHoorah,"Hoorah");

	console->Printf(KHoorah);

	CleanupStack::PopAndDestroy(4);

	User::LeaveIfError(input.Open(rfs, *outputFile,EFileStream | EFileRead | EFileShareAny));

	CleanupClosePushL(input);

	err = output.Create(rfs, *uncompressedFile,EFileStream | EFileWrite | EFileShareExclusive);

	if (err == KErrAlreadyExists)

		User::LeaveIfError(output.Open(rfs, *uncompressedFile,EFileStream | EFileWrite | EFileShareExclusive));

	else 

		User::LeaveIfError(err);

	CleanupClosePushL(output);

	fb = CEZFileBufferManager::NewLC(input,output,16384);

	CEZDecompressor *inf = CEZDecompressor::NewLC(*fb);

	while (inf->InflateL()){/*do nothing*/}

	console->Printf(KHoorah);

	CleanupStack::PopAndDestroy(7);

	rfs.Close();

	}