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 //

    15 

    16 #include "eustd.h"

    17 #include <ezcompressor.h>

    18 #include <ezdecompressor.h>

    19 #include <ezlib.h>

    20 #include <ezfilebuffer.h>

    21 

    22 #include <f32file.h>

    23 

    24 /**

    25 @SYMTestCaseID          SYSLIB-EZLIB-CT-0819

    26 @SYMTestCaseDesc	    Compression and decompression of a file test

    27 @SYMTestPriority 	    High

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

    29                         Compress and decompress the read file.

    30 						Leave on error.

    31 @SYMTestExpectedResults Test must not fail

    32 @SYMREQ                 REQ0000

    33 */

    34 

    35 LOCAL_C void doExampleL()

    36 	{

    37 	RFs rfs;

    38 	rfs.Connect();

    39 

    40     TInt cmdLineLen = User::CommandLineLength();

    41     

    42 	if (cmdLineLen <= 0)

    43 		{

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

    45 		console->Printf(KUsage);

    46 		User::Leave(1);

    47 		}

    48     //(cmdLineLen > 0) case

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

    50 	TPtr16 argPtr=argv->Des();

    51     User::CommandLine(argPtr);

    52 

    53 	TLex arguments(*argv);

    54 	TPtrC inputFile(arguments.NextToken());

    55 

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

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

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

    59 

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

    61 	_LIT(KUfl,"%S1");

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

    63 

    64 	RFile input;

    65 	RFile output;

    66 	TInt err;

    67 

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

    69 	console->Printf(KInfo,&inputFile);

    70 

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

    72 	CleanupClosePushL(input);

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

    74 	if (err == KErrAlreadyExists)

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

    76 	else 

    77 		User::LeaveIfError(err);

    78 	CleanupClosePushL(output);

    79 

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

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

    82 

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

    84 

    85 	_LIT(KHoorah,"Hoorah");

    86 	console->Printf(KHoorah);

    87 

    88 	CleanupStack::PopAndDestroy(4);

    89 

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

    91 	CleanupClosePushL(input);

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

    93 	if (err == KErrAlreadyExists)

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

    95 	else 

    96 		User::LeaveIfError(err);

    97 	CleanupClosePushL(output);

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

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

   100 

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

   102 

   103 	console->Printf(KHoorah);

   104 

   105 	CleanupStack::PopAndDestroy(7);

   106 	rfs.Close();

   107 	}