// 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();

 	}