bool JlCompress::extractFile(QuaZip* zip, QString fileName, QString fileDest) {
    // zip: oggetto dove aggiungere il file
    // filename: nome del file reale
    // fileincompress: nome del file all'interno del file compresso

    // Controllo l'apertura dello zip
    if (!zip) return false;
    if (zip->getMode()!=QuaZip::mdUnzip) return false;

    // Apro il file compresso
    if (!fileName.isEmpty())
        zip->setCurrentFile(fileName);
    QuaZipFile inFile(zip);
    if(!inFile.open(QIODevice::ReadOnly) || inFile.getZipError()!=UNZ_OK) return false;

    // Controllo esistenza cartella file risultato
    QDir curDir;
    if (fileDest.endsWith('/')) {
        if (!curDir.mkpath(fileDest)) {
            return false;
        }
    } else {
        if (!curDir.mkpath(QFileInfo(fileDest).absolutePath())) {
            return false;
        }
    }

    QuaZipFileInfo64 info;
    if (!zip->getCurrentFileInfo(&info))
        return false;

    QFile::Permissions srcPerm = info.getPermissions();
    if (fileDest.endsWith('/') && QFileInfo(fileDest).isDir()) {
        if (srcPerm != 0) {
            QFile(fileDest).setPermissions(srcPerm);
        }
        return true;
    }

    // Apro il file risultato
    QFile outFile;
    outFile.setFileName(fileDest);
    if(!outFile.open(QIODevice::WriteOnly)) return false;

    // Copio i dati
    if (!copyData(inFile, outFile) || inFile.getZipError()!=UNZ_OK) {
        outFile.close();
        removeFile(QStringList(fileDest));
        return false;
    }
    outFile.close();

    // Chiudo i file
    inFile.close();
    if (inFile.getZipError()!=UNZ_OK) {
        removeFile(QStringList(fileDest));
        return false;
    }

    if (srcPerm != 0) {
        outFile.setPermissions(srcPerm);
    }
    return true;
}
bool JlCompress::extractFile(QuaZip* zip, QString fileName, QString fileDest) {
     
     
     

     
    if (!zip) return false;
    if (zip->getMode()!=QuaZip::mdUnzip) return false;

     
    if (!fileName.isEmpty())
        zip->setCurrentFile(fileName);
    QuaZipFile inFile(zip);
    if(!inFile.open(QIODevice::ReadOnly) || inFile.getZipError()!=UNZ_OK) return false;

     
    QDir curDir;
    if (fileDest.endsWith('/')) {
        if (!curDir.mkpath(fileDest)) {
            return false;
        }
    } else {
        if (!curDir.mkpath(QFileInfo(fileDest).absolutePath())) {
            return false;
        }
    }

    QuaZipFileInfo64 info;
    if (!zip->getCurrentFileInfo(&info))
        return false;

    QFile::Permissions srcPerm = info.getPermissions();
    if (fileDest.endsWith('/') && QFileInfo(fileDest).isDir()) {
        if (srcPerm != 0) {
            QFile(fileDest).setPermissions(srcPerm);
        }
        return true;
    }

     
    QFile outFile;
    outFile.setFileName(fileDest);
    if(!outFile.open(QIODevice::WriteOnly)) return false;

     
    if (!copyData(inFile, outFile) || inFile.getZipError()!=UNZ_OK) {
        outFile.close();
        removeFile(QStringList(fileDest));
        return false;
    }
    outFile.close();

     
    inFile.close();
    if (inFile.getZipError()!=UNZ_OK) {
        removeFile(QStringList(fileDest));
        return false;
    }

    if (srcPerm != 0) {
        outFile.setPermissions(srcPerm);
    }
    return true;
}