/**
* Tries to match a route to a given URI
*
* @static
* @param Route Route
* @param string URI
* @return boolean|string[] If route doesn't match, false is returned - otherwise it returns an array containing matched params
*/
private static function matchRoute(Route $route, $uri)
{
// We want to store the params giving by the URI
$p_keys = array();
$p_values = array();
// Given pattern
$pattern = $route->getPattern();
// Transform the given pattern into a regular expression
$pattern_regexp = preg_replace('~:(.*?):~u', '(.*?)', $pattern);
// Customise pattern_regexp
$pattern_regexp = preg_replace('~(.*?)\\(\\.\\*\\?\\)$~u', '$1(.*)', $pattern_regexp);
// Retrieve all keys
preg_match_all('~:(.*?):~u', $pattern, $matches);
if (count($matches[0]) == 0) {
// obviously the pattern doesn't contain
// any params -> must have been matched in case 1
return false;
}
foreach ($matches[1] as $m) {
$p_keys[] = $m;
}
unset($matches);
// Now try to match the URI and store its values
preg_match_all('~^' . $pattern_regexp . '$~u', $uri, $matches);
if (count($matches[0]) == 0) {
// URI doesn't match -> go on!
return false;
}
$count = count($matches);
for ($i = 1; $i < $count; ++$i) {
$p_values[] = $matches[$i][0];
}
return Router::buildArray($p_keys, $p_values);
}
