Пример #1
0
QByteArray uncompress( const QByteArray& data )
{ 
    if ( data.size()>2 && (data.at(0) != gz_magic_0 || data.at(1) != gz_magic_1) )
    {
        qWarning( "gz: data to be uncompressed doesn't look like gzip format" );
    }

    return uncompress_( reinterpret_cast<const uchar*>( data.constData() ), data.size() ); 
}
KDvoid AssetsManager::update ( KDvoid )
{
    // 1. Urls of package and version should be valid;
    // 2. Package should be a zip file.
    if ( m_sVersionFileUrl.size ( ) == 0 ||
         m_sPackageUrl.size ( ) == 0 ||
         std::string::npos == m_sPackageUrl.find ( ".zip" ) )
    {
        CCLOG ( "no version file url, or no package url, or the package is not a zip file" );
        return;
    }
    
    // Check if there is a new version.
    if ( !checkUpdate ( ) )
	{
		return;
	}
    
    // Is package already downloaded?
	std::string  sDownloadedVersion = CCUserDefault::sharedUserDefault ( )->getStringForKey ( KEY_OF_DOWNLOADED_VERSION );
    if ( sDownloadedVersion != m_sVersion )
    {
        if ( !downLoad ( ) )
		{
			return;
		}
        
        // Record downloaded version.
        CCUserDefault::sharedUserDefault ( )->setStringForKey ( KEY_OF_DOWNLOADED_VERSION, m_sVersion.c_str ( ) );
        CCUserDefault::sharedUserDefault ( )->flush ( );
    }
    
    // Uncompress zip file.
    if ( !uncompress_ ( ) )
	{
		return;
	}
    
    // Record new version code.
    CCUserDefault::sharedUserDefault ( )->setStringForKey ( KEY_OF_VERSION, m_sVersion.c_str ( ) );
    
    // Unrecord downloaded version code.
    CCUserDefault::sharedUserDefault ( )->setStringForKey ( KEY_OF_DOWNLOADED_VERSION, "" );
    
    CCUserDefault::sharedUserDefault ( )->flush ( );
    
    // Set resource search path.
    setSearchPath ( );
    
    // Delete unloaded zip file.
	std::string  sZipfileName = m_sStoragePath + TEMP_PACKAGE_FILE_NAME;
    if ( kdRemove ( sZipfileName.c_str ( ) ) != 0 )
    {
        CCLOG ( "can not remove downloaded zip file" );
    }
}