sl@0: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "eustd.h"
sl@0: #include <ezcompressor.h>
sl@0: #include <ezdecompressor.h>
sl@0: #include <ezlib.h>
sl@0: #include <ezfilebuffer.h>
sl@0: 
sl@0: #include <f32file.h>
sl@0: 
sl@0: /**
sl@0: @SYMTestCaseID          SYSLIB-EZLIB-CT-0819
sl@0: @SYMTestCaseDesc	    Compression and decompression of a file test
sl@0: @SYMTestPriority 	    High
sl@0: @SYMTestActions  	    Read the input file given as the parameter from the command line.
sl@0:                         Compress and decompress the read file.
sl@0: 						Leave on error.
sl@0: @SYMTestExpectedResults Test must not fail
sl@0: @SYMREQ                 REQ0000
sl@0: */
sl@0: 
sl@0: LOCAL_C void doExampleL()
sl@0: 	{
sl@0: 	RFs rfs;
sl@0: 	rfs.Connect();
sl@0: 
sl@0:     TInt cmdLineLen = User::CommandLineLength();
sl@0:     
sl@0: 	if (cmdLineLen <= 0)
sl@0: 		{
sl@0: 		_LIT(KUsage,"Usage:ezfile filename\n");
sl@0: 		console->Printf(KUsage);
sl@0: 		User::Leave(1);
sl@0: 		}
sl@0:     //(cmdLineLen > 0) case
sl@0: 	HBufC *argv = HBufC::NewLC(cmdLineLen);
sl@0: 	TPtr16 argPtr=argv->Des();
sl@0:     User::CommandLine(argPtr);
sl@0: 
sl@0: 	TLex arguments(*argv);
sl@0: 	TPtrC inputFile(arguments.NextToken());
sl@0: 
sl@0: 	HBufC *outputFile = HBufC::NewLC(inputFile.Length()+2);
sl@0: 	_LIT(KOfl,"%S.z");
sl@0: 	outputFile->Des().Format(KOfl,&inputFile);
sl@0: 
sl@0: 	HBufC *uncompressedFile = HBufC::NewLC(inputFile.Length()+1);
sl@0: 	_LIT(KUfl,"%S1");
sl@0: 	uncompressedFile->Des().Format(KUfl,&inputFile);
sl@0: 
sl@0: 	RFile input;
sl@0: 	RFile output;
sl@0: 	TInt err;
sl@0: 
sl@0: 	_LIT(KInfo,"Compressing file %S\n");
sl@0: 	console->Printf(KInfo,&inputFile);
sl@0: 
sl@0: 	User::LeaveIfError(input.Open(rfs, inputFile,EFileStream | EFileRead | EFileShareAny));
sl@0: 	CleanupClosePushL(input);
sl@0: 	err = output.Create(rfs, *outputFile,EFileStream | EFileWrite | EFileShareExclusive);
sl@0: 	if (err == KErrAlreadyExists)
sl@0: 		User::LeaveIfError(output.Open(rfs, *outputFile,EFileStream | EFileWrite | EFileShareExclusive));
sl@0: 	else 
sl@0: 		User::LeaveIfError(err);
sl@0: 	CleanupClosePushL(output);
sl@0: 
sl@0: 	CEZFileBufferManager *fb = CEZFileBufferManager::NewLC(input,output,16384);
sl@0: 	CEZCompressor *def = CEZCompressor::NewLC(*fb);
sl@0: 
sl@0: 	while (def->DeflateL()){/*do nothing*/}
sl@0: 
sl@0: 	_LIT(KHoorah,"Hoorah");
sl@0: 	console->Printf(KHoorah);
sl@0: 
sl@0: 	CleanupStack::PopAndDestroy(4);
sl@0: 
sl@0: 	User::LeaveIfError(input.Open(rfs, *outputFile,EFileStream | EFileRead | EFileShareAny));
sl@0: 	CleanupClosePushL(input);
sl@0: 	err = output.Create(rfs, *uncompressedFile,EFileStream | EFileWrite | EFileShareExclusive);
sl@0: 	if (err == KErrAlreadyExists)
sl@0: 		User::LeaveIfError(output.Open(rfs, *uncompressedFile,EFileStream | EFileWrite | EFileShareExclusive));
sl@0: 	else 
sl@0: 		User::LeaveIfError(err);
sl@0: 	CleanupClosePushL(output);
sl@0: 	fb = CEZFileBufferManager::NewLC(input,output,16384);
sl@0: 	CEZDecompressor *inf = CEZDecompressor::NewLC(*fb);
sl@0: 
sl@0: 	while (inf->InflateL()){/*do nothing*/}
sl@0: 
sl@0: 	console->Printf(KHoorah);
sl@0: 
sl@0: 	CleanupStack::PopAndDestroy(7);
sl@0: 	rfs.Close();
sl@0: 	}