#!/usr/local/bin/php -q
<?PHP
require('/var/lib/asterisk/agi-bin/phpagi.php');

// Create an AGI Object
$agi = new AGI();

class Xml
{
   var $tag;
   var $value;
   var $attributes;
   var $next;
}

function xml2array($xml_string)
{
   $Parser = xml_parser_create();
   xml_parser_set_option($Parser, XML_OPTION_CASE_FOLDING, 0);
   xml_parser_set_option($Parser, XML_OPTION_SKIP_WHITE, 1);
   xml_parse_into_struct($Parser, $xml_string, $Xml_Values);
   xml_parser_free($Parser);
   $XmlClass = array();
   $LastObj = array();
   $NowObj = &$XmlClass;

   foreach($Xml_Values as $Xml_Key => $Xml_Value)
   {
       $Index = count($NowObj);
       if($Xml_Value["type"] == "complete")
       {
           $NowObj[$Index] = new Xml;
           $NowObj[$Index]->tag = $Xml_Value["tag"];
           $NowObj[$Index]->value = $Xml_Value["value"];
           $NowObj[$Index]->attributes = $Xml_Value["attributes"];
       }
       elseif($Xml_Value["type"] == "open")
       {
           $NowObj[$Index] = new Xml;
           $NowObj[$Index]->tag = $Xml_Value["tag"];
           $NowObj[$Index]->value = $Xml_Value["value"];
           $NowObj[$Index]->attributes = $Xml_Value["attributes"];
           $NowObj[$Index]->next = array();
           $LastObj[count($LastObj)] = &$NowObj;
           $NowObj = &$NowObj[$Index]->next;
       }
       elseif($Xml_Value["type"] == "close")
       {
           $NowObj = &$LastObj[count($LastObj) - 1];
           unset($LastObj[count($LastObj) - 1]);
       }
       
   }

   return $XmlClass;
}

exec("echo 'Getting the feed from unmediated dot org' | /usr/bin/text2wave -scale 1.5 -F 8000 -o /tmp/temp.wav");
$agi->stream_file("/tmp/temp");

$headlines = array();

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://feeds.feedburner.com/unmediated/");
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
$contents = curl_exec($ch);
curl_close($ch);

exec("echo 'Got the feed, parsing the headlines' | /usr/bin/text2wave -scale 1.5 -F 8000 -o /tmp/temp.wav");
$agi->stream_file("/tmp/temp");

$xml = xml2array($contents);

$rss_channel = $xml[0]->next[0]->next;

for ($i = 0; $i < sizeof($rss_channel); $i++)
{
    if ($rss_channel[$i]->tag == "item")
    {
        $item = $rss_channel[$i]->next;

        $title = "";
                    
        for ($s = 0; $s < sizeof($item); $s++)
        {
            if ($item[$s]->tag == "title")
            {
                $title = $item[$s]->value;
            	$headlines[sizeof($headlines)] = preg_replace('/[^0-9a-z\s\.]/i',"",$title);
            }
        }
    }
}

exec("echo 'Preparing to speak the headlines' | /usr/bin/text2wave -scale 1.5 -F 8000 -o /tmp/temp.wav");
$agi->stream_file("/tmp/temp");

$outfile = fopen("/tmp/unmediated.sable","w");
$begin = '<?xml version="1.0"?>' . "\n";
$begin .= '<!DOCTYPE SABLE PUBLIC "-//SABLE//DTD SABLE speech mark up//EN" ' . "\n";
$begin .= '      "Sable.v0_2.dtd"' . "\n";
$begin .= '[]>' . "\n";
$begin .= '<SABLE>' . "\n";
$begin .= '<SPEAKER NAME="kal_diphone">' . "\n";
$being .= 'Unmediated dot org headlines<BREAK />' . "\n";
fwrite($outfile,$begin);
for ($i = 0; $i < sizeof($headlines) && $i < 5; $i++)
{   
    fwrite($outfile,"headline $i <BREAK />\n");
    fwrite($outfile,$headlines[$i] . "<BREAK />\n");
}
$end = '</SPEAKER>' . "\n";
$end .= '</SABLE>' . "\n";
fwrite($outfile,$end);
fclose($outfile);

exec("/usr/bin/text2wave -F 8000 -o /var/lib/asterisk/sounds/sve204/unmediated.wav /tmp/unmediated.sable");
$agi->stream_file("sve204/unmediated");

exit(0);
?>