/**
* {@inheritdoc}
*/
protected function handleRouteRequirements($pathinfo, $name, Route $route)
{
// expression condition
if ($route->getCondition() && !$this->getExpressionLanguage()->evaluate($route->getCondition(), array('context' => $this->context, 'request' => $this->request))) {
return array(self::REQUIREMENT_MISMATCH, null);
}
// check HTTP scheme requirement
$scheme = $route->getRequirement('_scheme');
if ($scheme && $this->context->getScheme() !== $scheme) {
return array(self::ROUTE_MATCH, $this->redirect($pathinfo, $name, $scheme));
}
return array(self::REQUIREMENT_MATCH, null);
}
protected function handleRouteRequirements($pathinfo, $name, Route $route)
{
if ($route->getCondition() && !$this->getExpressionLanguage()->evaluate($route->getCondition(), array('context' => $this->context, 'request' => $this->request))) {
return array(self::REQUIREMENT_MISMATCH, null);
}
$scheme = $this->context->getScheme();
$schemes = $route->getSchemes();
if ($schemes && !$route->hasScheme($scheme)) {
return array(self::ROUTE_MATCH, $this->redirect($pathinfo, $name, current($schemes)));
}
return array(self::REQUIREMENT_MATCH, null);
}
public function testCondition()
{
$route = new Route('/');
$this->assertEquals(null, $route->getCondition());
$route->setCondition('context.getMethod() == "GET"');
$this->assertEquals('context.getMethod() == "GET"', $route->getCondition());
}
/**
* Handles specific route requirements.
*
* @param string $pathinfo The path
* @param string $name The route name
* @param Route $route The route
*
* @return array The first element represents the status, the second contains additional information
*/
protected function handleRouteRequirements($pathinfo, $name, Route $route)
{
// expression condition
if ($route->getCondition() && !$this->getExpressionLanguage()->evaluate($route->getCondition(), array('context' => $this->context, 'request' => $this->request))) {
return array(self::REQUIREMENT_MISMATCH, null);
}
// check HTTP scheme requirement
$scheme = $this->context->getScheme();
$status = $route->getSchemes() && !$route->hasScheme($scheme) ? self::REQUIREMENT_MISMATCH : self::REQUIREMENT_MATCH;
return array($status, null);
}
/**
* Compiles a single Route to PHP code used to match it against the path info.
*
* @param Route $route A Route instance
* @param string $name The name of the Route
* @param bool $supportsRedirections Whether redirections are supported by the base class
* @param string|null $parentPrefix The prefix of the parent collection used to optimize the code
*
* @return string PHP code
*
* @throws \LogicException
*/
private function compileRoute(Route $route, $name, $supportsRedirections, $parentPrefix = null)
{
$code = '';
$compiledRoute = $route->compile();
$conditions = array();
$hasTrailingSlash = false;
$matches = false;
$hostMatches = false;
$methods = $route->getMethods();
// GET and HEAD are equivalent
if (in_array('GET', $methods) && !in_array('HEAD', $methods)) {
$methods[] = 'HEAD';
}
$supportsTrailingSlash = $supportsRedirections && (!$methods || in_array('HEAD', $methods));
if (!count($compiledRoute->getPathVariables()) && false !== preg_match('#^(.)\\^(?P<url>.*?)\\$\\1#', $compiledRoute->getRegex(), $m)) {
if ($supportsTrailingSlash && substr($m['url'], -1) === '/') {
$conditions[] = sprintf("rtrim(\$pathinfo, '/') === %s", var_export(rtrim(str_replace('\\', '', $m['url']), '/'), true));
$hasTrailingSlash = true;
} else {
$conditions[] = sprintf("\$pathinfo === %s", var_export(str_replace('\\', '', $m['url']), true));
}
} else {
if ($compiledRoute->getStaticPrefix() && $compiledRoute->getStaticPrefix() !== $parentPrefix) {
$conditions[] = sprintf("0 === strpos(\$pathinfo, %s)", var_export($compiledRoute->getStaticPrefix(), true));
}
$regex = $compiledRoute->getRegex();
if ($supportsTrailingSlash && ($pos = strpos($regex, '/$'))) {
$regex = substr($regex, 0, $pos) . '/?$' . substr($regex, $pos + 2);
$hasTrailingSlash = true;
}
$conditions[] = sprintf("preg_match(%s, \$pathinfo, \$matches)", var_export($regex, true));
$matches = true;
}
if ($compiledRoute->getHostVariables()) {
$hostMatches = true;
}
if ($route->getCondition()) {
$conditions[] = $this->getExpressionLanguage()->compile($route->getCondition(), array('context', 'request'));
}
$conditions = implode(' && ', $conditions);
$code .= <<<EOF
// {$name}
if ({$conditions}) {
EOF;
$gotoname = 'not_' . preg_replace('/[^A-Za-z0-9_]/', '', $name);
if ($methods) {
if (1 === count($methods)) {
$code .= <<<EOF
if (\$this->context->getMethod() != '{$methods['0']}') {
\$allow[] = '{$methods['0']}';
goto {$gotoname};
}
EOF;
} else {
$methods = implode("', '", $methods);
$code .= <<<EOF
if (!in_array(\$this->context->getMethod(), array('{$methods}'))) {
\$allow = array_merge(\$allow, array('{$methods}'));
goto {$gotoname};
}
EOF;
}
}
if ($hasTrailingSlash) {
$code .= <<<EOF
if (substr(\$pathinfo, -1) !== '/') {
return \$this->redirect(\$pathinfo.'/', '{$name}');
}
EOF;
}
if ($schemes = $route->getSchemes()) {
if (!$supportsRedirections) {
throw new \LogicException('The "schemes" requirement is only supported for URL matchers that implement RedirectableUrlMatcherInterface.');
}
$schemes = str_replace("\n", '', var_export(array_flip($schemes), true));
$code .= <<<EOF
\$requiredSchemes = {$schemes};
if (!isset(\$requiredSchemes[\$this->context->getScheme()])) {
return \$this->redirect(\$pathinfo, '{$name}', key(\$requiredSchemes));
}
EOF;
}
// optimize parameters array
if ($matches || $hostMatches) {
$vars = array();
if ($hostMatches) {
$vars[] = '$hostMatches';
}
if ($matches) {
$vars[] = '$matches';
}
$vars[] = "array('_route' => '{$name}')";
$code .= sprintf(" return \$this->mergeDefaults(array_replace(%s), %s);\n", implode(', ', $vars), str_replace("\n", '', var_export($route->getDefaults(), true)));
} elseif ($route->getDefaults()) {
$code .= sprintf(" return %s;\n", str_replace("\n", '', var_export(array_replace($route->getDefaults(), array('_route' => $name)), true)));
} else {
$code .= sprintf(" return array('_route' => '%s');\n", $name);
}
$code .= " }\n";
if ($methods) {
$code .= " {$gotoname}:\n";
}
return $code;
}
