function parse_rule($rules, $rule, $data = false)
{
if ($rule->rule->type == "follow_links") {
$url = $rule->rule->url;
$pq = new tidyPQ($url);
$links = pq($rule->rule->selector);
$results = array();
foreach ($links as $link) {
$results[] = stripslashes(pq($link)->attr("href"));
print "parse rule ";
if (!in_queue($rule->set, $rule->rule->next_rule, array(stripslashes(pq($link)->attr("href"))))) {
enqueue($rule->set, $rule->rule->next_rule, array(stripslashes(pq($link)->attr("href"))));
}
}
//parse_rule( $rules, $rules[ $rule->rule->next_rule ], $results );
} else {
if ($rule->rule->type == "get_data" && $data) {
foreach ($data as $url) {
if (substr($url, 0, strlen($rule->rule->url)) == $rule->rule->url) {
$pq = new tidyPQ($url);
$results = array();
foreach ($rule->rule->selectors as $target => $selector) {
$sel = substr($selector, 0, strpos($selector, "%"));
$get = substr($selector, strpos($selector, "%") + 1);
//$result = pq( $sel );
if ($get == "text") {
$result = pq($sel)->text();
} elseif (substr($get, 0, 5) == "attr=") {
$result = pq($sel)->attr(substr($get, 5));
}
$results[$target] = $result;
}
store_result($rule->set, $rule->id, $results);
} else {
store_result($rule->set, $rule->id, $url);
}
}
}
}
}
}
} else {
if ($source === 'nowcast') {
if (require_all($data, array('locations', 'epiweeks'))) {
// parse the request
$locations = extract_values($_REQUEST['locations'], 'str');
$epiweeks = extract_values($_REQUEST['epiweeks'], 'int');
// get the data
$epidata = get_nowcast($locations, $epiweeks);
store_result($data, $epidata);
}
} else {
if ($source === 'meta') {
// get the data
$epidata = get_meta();
store_result($data, $epidata);
} else {
$data['message'] = 'no data source specified';
}
}
}
}
}
}
}
}
}
}
}
}
}
