[POO PHP5] RÉCUPÉRATION DES INFOS DES STREAMS DE PULSRADIO

<?php
class PulsRadioStreamInfo {
    private $infoType = NULL;
    private $infos = array();
    
    public function PulsRadioStreamInfo($infoType = 'all') {
        $this->infoType = $infoType;
        
        $this->infos['classique'] = $this->getStringsFromFile('<p align="left">PulsRadio : ', ' </p>');
        $this->infos['80'] = $this->getStringsFromFile('<p align="left">Puls Version 80 : ', ' </p>');
        $this->infos['90'] = $this->getStringsFromFile('<p align="left">Puls Version  90 : ', ' </p>');
        $this->infos['trance'] = $this->getStringsFromFile('<p align="left">Puls Trance : ', ' </p>');
    }
    
    private function getStringsFromFile($openingMarker, $closingMarker) {
        $openingMarkerLength = strlen($openingMarker);
        $closingMarkerLength = strlen($closingMarker);
        $text = file_get_contents('http://wmp.pulsradio.fr/');
        $result = array();
        $position = 0;
        
        while (($position = strpos($text, $openingMarker, $position)) !== FALSE) {
            $position += $openingMarkerLength;
            if (($closingMarkerPosition = strpos($text, $closingMarker, $position)) !== FALSE) {
                $result[] = substr($text, $position, $closingMarkerPosition - $position);
                $position = $closingMarkerPosition + $closingMarkerLength;
            }
        }
        return $result[0];
    }
    
    private function getSecondaryInfos($text) {
        $sec_texts = explode('-', $text, 2);
        $num = count($sec_texts);
        
    	if ($num == 1) {
            return $text;
        } elseif ($num == 2) {
            if (ereg('(.*) \((.*)\)', trim($sec_texts[1]), $regs)) {
                $title = $regs[1];
                $extra = $regs[2];
            } else {
                $title = $sec_texts[1];
                $extra = NULL;
            }
            $return['artist'] = trim($sec_texts[0]);
            $return['title'] = $title;
	        $return['extra'] = $extra;
            
            return $return;
        } else {
            return FALSE;
        }
    }
    
    public function getInfos($getSecondaryInfos = FALSE) {
        switch ($this->infoType) {
            case 'classique':
            case '80':
            case '90':
            case 'trance':
                if ($getSecondaryInfos == TRUE) {
                    return $this->getSecondaryInfos($this->infos[$this->infoType]);
                } else {
                    return $this->infos[$this->infoType];
                }
            case 'all':
            default:
                if ($getSecondaryInfos == TRUE) {
                    $return['PulsRadio'] = $this->getSecondaryInfos($this->infos['classique']);
                    $return['Puls Version 80'] = $this->getSecondaryInfos($this->infos['80']);
                    $return['Puls Version 90'] = $this->getSecondaryInfos($this->infos['90']);
                    $return['Puls Trance'] = $this->getSecondaryInfos($this->infos['trance']);
                } else {
                    $return['PulsRadio'] = $this->infos['classique'];
                    $return['Puls Version 80'] = $this->infos['80'];
                    $return['Puls Version 90'] = $this->infos['90'];
                    $return['Puls Trance'] = $this->infos['trance'];
                }
                
                return $return;
            break;
        }
    }
}
?>