/**
* Matching the current route to the defined custom routes
* @return string|boolean The matched route or false if no matched route is found
*/
public static function match()
{
$realPath = explode('/', route_path());
$routes = self::$routes;
if (!(is_array($routes) && count($routes))) {
return false;
}
$found = false;
foreach ($routes as $key => $value) {
$patternPath = explode('/', trim($value['path'], '/'));
if (count($realPath) !== count($patternPath)) {
continue;
}
$vars = array();
$matchedPath = array();
foreach ($patternPath as $i => $segment) {
if ($segment === $realPath[$i]) {
$matchedPath[$i] = $segment;
continue;
} else {
if (preg_match('/([a-z0-9\\-_\\.]*)?{([a-z0-9\\_]+)}([a-z0-9\\-_\\.]*)?/i', $segment, $matches)) {
$name = $matches[2];
$var = $realPath[$i];
if ($matches[1]) {
$var = ltrim($var, $matches[1] . '{');
}
if ($matches[3]) {
$var = rtrim($var, '}' . $matches[3]);
}
if (isset($value['patterns'][$name]) && $value['patterns'][$name]) {
$regex = $value['patterns'][$name];
if (!preg_match('/^' . $regex . '$/', $var)) {
throw new \InvalidArgumentException(sprintf('The Router does not satify the argument value "%s" for "%s".', $var, $regex));
}
}
$vars[$name] = $var;
$matchedPath[$i] = $realPath[$i];
continue;
}
break;
}
}
if (route_path() === implode('/', $matchedPath)) {
if (!in_array($_SERVER['REQUEST_METHOD'], $value['method'])) {
throw new \RuntimeException(sprintf('The Router does not allow the method "%s" for "%s".', $_SERVER['REQUEST_METHOD'], $key));
}
$found = true;
break;
}
}
if ($found) {
$toRoute = trim($value['to'], '/');
$_GET[ROUTE] = $toRoute;
$_GET = array_merge($_GET, $vars);
return $toRoute;
}
return false;
}
/**
* @internal
*
* Route to a page according to request
* interally called by /app/index.php
*
* @return string
*/
function router()
{
global $lc_homeRouting;
# Get a route from the defined custom routes (if any)
$_page = route_match();
if ($_page) {
return route_getAbsolutePathToRoot($_page);
}
$q = route_path();
# if the route is empty, get it from the config
if (empty($q) && $lc_homeRouting) {
$q = $lc_homeRouting;
}
# if it is still empty, set it to the system default
if (empty($q)) {
$q = 'home';
}
# Get the complete path to root
$_page = route_getAbsolutePathToRoot($q);
if (!empty($_page) && file_exists($_page)) {
return $_page;
}
if (preg_match('/(.*)(401|403|404) {1}$/', $_page, $matches)) {
return _i('inc/tpl/' . $matches[2] . '.php');
}
# Search the physical directory according to the routing path
$_page = route_search();
if ($_page && is_file($_page) && file_exists($_page)) {
return $_page;
}
if (in_array(_arg(0), array('401', '403'))) {
return _i('inc/tpl/' . _arg(0) . '.php');
} else {
return _i('inc/tpl/404.php');
}
}
/**
* Return a component of the current path.
* When viewing a page http://www.example.com/foo/bar and its path would be "foo/bar",
* for example, arg(0) returns "foo" and arg(1) returns "bar"
*
* @param mixed $index
* The index of the component, where each component is separated by a '/'
* (forward-slash), and where the first component has an index of 0 (zero).
* @param string $path
* A path to break into components. Defaults to the path of the current page.
*
* @return mixed
* The component specified by `$index`, or `null` if the specified component was not found.
* If called without arguments, it returns an array containing all the components of the current path.
*/
function _arg($index = null, $path = null)
{
if (isset($_GET[$index])) {
return _get($_GET[$index]);
}
if (is_null($path)) {
$path = route_path();
}
$arguments = explode('/', $path);
if (is_numeric($index)) {
if (!isset($index)) {
return $arguments;
}
if (isset($arguments[$index])) {
return strip_tags(trim($arguments[$index]));
}
} elseif (is_string($index)) {
$query = '-' . $index . '/';
$pos = strpos($path, $query);
if ($pos !== false) {
$start = $pos + strlen($query);
$path = substr($path, $start);
$end = strpos($path, '/-');
if ($end) {
$path = substr($path, 0, $end);
}
if (substr_count($path, '/')) {
return explode('/', $path);
} else {
return $path;
}
}
} elseif (is_null($index)) {
return explode('/', str_replace('/-', '/', $path));
}
return '';
}
