Zipping a .txt file in Qt

[croussou]

Hi there,

I have a simple application in Qt where the user enters data in a text file, which is then saved on desktop. After that I would like to be able to insert the .txt file in a .zip file.

I have tried to use QuaZIP with no success, it seems too complicated to understand.

Any help or suggestion would be greatly appreciated.

Thank you in advance.

Kind Regards,

croussou

[Le_B]

didn't know about this wrapper, but you can directly use zip.h in minizip from zlib
it s not that hard and there's is exemples that you can use

[croussou]

Thank you for replying.

Any available examples that you can share?

[Le_B]

here is the api web page:
http://www.winimage.com/zLibDll/minizip.html

and you can find an example of an email writter that use zip for the attached files:
http://www.winimage.com/zLibDll/mapi...mo_gooddll.zip

[Lesiok]

We are using QuaZIP. What is a real problem ?

[croussou]

Can you please give an example zipping a simple text file using QuaZIP?

[Lesiok]

This method packs list of files :

bool MyPacker::packFiles(  QString zip_name, QFileInfoList files  )
{
    QuaZip( zip_name );
    zip.setFileNameCodec("Windows-1250");
    if( !zip.open( QuaZip::mdCreate ) )
    {
        return QString();
    }
 
    QFile inFile;
    QuaZipFile outFile(&zip);
 
    char c;
    int j = 0;
 
    foreach(QFileInfo fileInfo, files)
    {
        if (!fileInfo.isFile())
            continue;
 
        inFile.setFileName( fileInfo.absoluteFilePath() );
 
        if (!inFile.open(QIODevice::ReadOnly))
        {
            return QString();
        }
 
        if (!outFile.open(QIODevice::WriteOnly, QuaZipNewInfo(fileInfo.fileName(), fileInfo.filePath())))
        {
            return QString();
        }
 
        while (inFile.getChar(&c) )
            outFile.putChar(c));
 
        if (outFile.getZipError() != ZIP_OK)
        {
            return false;
        }
 
        outFile.close();
 
        if (outFile.getZipError() != ZIP_OK)
        {
            return false;
        }
 
        inFile.close();
    }
 
    zip.close();
 
    if (zip.getZipError() != 0)
    {
        return false;
    }
 
    return true;
}

bool MyPacker::packFiles(  QString zip_name, QFileInfoList files  )
{
    QuaZip( zip_name );
    zip.setFileNameCodec("Windows-1250");
    if( !zip.open( QuaZip::mdCreate ) )
    {
        return QString();
    }

    QFile inFile;
    QuaZipFile outFile(&zip);

    char c;
    int j = 0;

    foreach(QFileInfo fileInfo, files)
    {
        if (!fileInfo.isFile())
            continue;

        inFile.setFileName( fileInfo.absoluteFilePath() );

        if (!inFile.open(QIODevice::ReadOnly))
        {
            return QString();
        }

        if (!outFile.open(QIODevice::WriteOnly, QuaZipNewInfo(fileInfo.fileName(), fileInfo.filePath())))
        {
            return QString();
        }

        while (inFile.getChar(&c) )
            outFile.putChar(c));

        if (outFile.getZipError() != ZIP_OK)
        {
            return false;
        }

        outFile.close();

        if (outFile.getZipError() != ZIP_OK)
        {
            return false;
        }

        inFile.close();
    }

    zip.close();

    if (zip.getZipError() != 0)
    {
        return false;
    }

    return true;
}

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