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<?php

class WeatherMapDataSource_time extends WeatherMapDataSource {

        function Recognise($targetstring)
        {
                if(preg_match("/^time:(.*)$/",$targetstring,$matches))
                {
                        if(preg_match("/^[234]\./",phpversion()))
                        {
                                warn("Time DS Plugin recognised a TARGET, but needs PHP5+ to run. [WMTIME01]\n");
                                return FALSE;
                        }
                        return TRUE;
                }
                else
                {
                        return FALSE;
                }
        }

        // function ReadData($targetstring, $configline, $itemtype, $itemname, $map)
        function ReadData($targetstring, &$map, &$item)
        {
                $data[IN] = NULL;
                $data[OUT] = NULL;
                $data_time=0;
                $itemname = $item->name;

                $matches=0;

                if(preg_match("/^time:(.*)$/",$targetstring,$matches))
                {
                        $timezone = $matches[1];
                        $timezone_l = strtolower($timezone);
                        
                        $timezone_identifiers = DateTimeZone::listIdentifiers();
                        
                        foreach ($timezone_identifiers as $tz)
                        {
                                if(strtolower($tz) == $timezone_l)
                                {
                                        debug ("Time ReadData: Timezone exists: $tz\n");
                                        $dateTime = new DateTime("now", new DateTimeZone($tz));
                                        
                                        $item->add_note("time_time12",$dateTime->format("h:i"));
                                        $item->add_note("time_time12ap",$dateTime->format("h:i A"));
                                        $item->add_note("time_time24",$dateTime->format("H:i"));
                                        $item->add_note("time_timezone",$tz);
                                        $data[IN] = $dateTime->format("H");
                                        $data_time = time();
                                        $data[OUT] = $dateTime->format("i");
                                        $matches++;
                                }
                        }       
                        if($matches==0)
                        {
                                warn ("Time ReadData: Couldn't recognize $timezone as a valid timezone name [WMTIME02]\n"); 
                        }                       
                }
                else {
                        // some error code to go in here
                        warn ("Time ReadData: Couldn't recognize $targetstring \n"); 
                }               
                
                debug ("Time ReadData: Returning (".($data[IN]===NULL?'NULL':$data[IN]).",".($data[OUT]===NULL?'NULL':$data[OUT]).",$data_time)\n");
        
                return( array($data[IN], $data[OUT], $data_time) );
        }
}

// vim:ts=4:sw=4:
?>