Файл: app/core/classes/UrlGenerator.php
Строк: 66
<?php
class UrlGenerator {
private $map = array();
private $mapData = array();
private $host;
public function __construct($host) {
$this->host = $host;
}
public function add($name, $pattern) {
$this->map[$name] = $pattern;
}
public function has($name) {
return isset($this->map[$name]);
}
/**
* Generate url by route.
*
* @param string $name
* @param array $parameters
* @param boolean $absolute
* @throws InvalidArgumentException
* @return string
*/
public function generate($name, array $parameters = array(), $absolute = false) {
if (!$this->has($name)) {
throw new InvalidArgumentException(sprintf('Rule for identifier "%s" not found', $name));
}
$this->compilePattern($name);
if (($diff = array_diff_key($this->mapData[$name], $parameters))) {
throw new InvalidArgumentException(sprintf('The "%s" route has some missing parameters ("%s").', $name, implode('", "', array_keys($diff))));
}
$pattern = $this->map[$name];
$rParameters = array();
$extra = array();
foreach ($parameters as $k => $v) {
if (isset($this->mapData[$name][$k])) {
$rName = '(:' . $k . ')';
$rParameters[$rName] = $v;
} else {
$extra[$k] = $v;
}
}
$url = strtr($pattern, $rParameters);
if (count($extra)) {
$url .= '?' . http_build_query($extra);
}
if ($absolute) {
$url = $this->host . $url;
}
return $url;
}
private function compilePattern($name) {
if (isset($this->mapData[$name])) {
return;
}
$pattern = $this->map[$name];
$matches = array();
if (preg_match_all('#(:(w+))#', $pattern, $matches)) {
$this->mapData[$name] = array_flip($matches[1]);
} else {
$this->mapData[$name] = array();
}
}
}