8000 [Routing][2.0] fixed several bugs and applied improvements by Tobion · Pull Request #3810 · symfony/symfony · GitHub
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[Routing][2.0] fixed several bugs and applied improvements #3810

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[Routing][2.0] fixed several bugs and applied improvements #3810

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f695b3d
performance improvement in PhpMatcherDumper
Tobion Apr 6, 2012
eaa1f48
fix bugs and improvements in RouteCollection
Tobion Apr 1, 2012
2d00c29
fixed bugs and added tests for Routing
Tobion Apr 4, 2012
8da6d60
fixed CS and minor tweaks
Tobion Apr 5, 2012
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fixed bugs and added tests for Routing 
cf4f39a91388 for 2.0
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@Tobion
Tobion committed Apr 6, 2012
commit 2d00c29192ab3d83381dc2ed0fff6e266a4f9743
136 changes: 38 additions & 98 deletions src/Symfony/Component/Routing/Matcher/Dumper/PhpMatcherDumper.php
8000
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@
* PhpMatcherDumper creates a PHP class able to match URLs for a given set of routes.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Tobias Schultze <http://tobion.de>
*/
class PhpMatcherDumper extends MatcherDumper
{
Expand All @@ -44,21 +45,40 @@ public function dump(array $options = array())
$interfaces = class_implements($options['base_class']);
$supportsRedirections = isset($interfaces['Symfony\Component\Routing\Matcher\RedirectableUrlMatcherInterface']);

return
$this->startClass($options['class'], $options['base_class']).
$this->addConstructor().
$this->addMatcher($supportsRedirections).
$this->endClass()
;
return <<<EOF
<?php

use Symfony\Component\Routing\Exception\MethodNotAllowedException;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use Symfony\Component\Routing\RequestContext;

/**
* {$options['class']}
*
* This class has been auto-generated
* by the Symfony Routing Component.
*/
class {$options['class']} extends {$options['base_class']}
{
/**
* Constructor.
*/
public function __construct(RequestContext \$context)
{
\$this->context = \$context;
}

{$this->generateMatchMethod($supportsRedirections)}
}

EOF;
}

private function addMatcher($supportsRedirections)
private function generateMatchMethod($supportsRedirections)
{
// we need to deep clone the routes as we will modify the structure to optimize the dump
$code = rtrim($this->compileRoutes(clone $this->getRoutes(), $supportsRedirections), "\n");
$code = rtrim($this->compileRoutes($this->getRoutes(), $supportsRedirections), "\n");

return <<<EOF

public function match(\$pathinfo)
{
\$allow = array();
Expand All @@ -68,69 +88,32 @@ public function match(\$pathinfo)

throw 0 < count(\$allow) ? new MethodNotAllowedException(array_unique(\$allow)) : new ResourceNotFoundException();
}

EOF;
}

private function compileRoutes(RouteCollection $routes, $supportsRedirections, $parentPrefix = null)
{
$code = '';

$routeIterator = $routes->getIterator();
$keys = array_keys($routeIterator->getArrayCopy());
$keysCount = count($keys);

$i = 0;
foreach ($routeIterator as $name => $route) {
$i++;

foreach ($routes as $name => $route) {
if ($route instanceof RouteCollection) {
$prefix = $route->getPrefix();
$optimizable = $prefix && count($route->all()) > 1 && false === strpos($route->getPrefix(), '{');
$optimized = false;

if ($optimizable) {
for ($j = $i; $j < $keysCount; $j++) {
if (null === $keys[$j]) {
continue;
}

$testRoute = $routeIterator->offsetGet($keys[$j]);
$isCollection = ($testRoute instanceof RouteCollection);

$testPrefix = $isCollection ? $testRoute->getPrefix() : $testRoute->getPattern();

if (0 === strpos($testPrefix, $prefix)) {
$routeIterator->offsetUnset($keys[$j]);

if ($isCollection) {
$route->addCollection($testRoute);
} else {
$route->add($keys[$j], $testRoute);
}

$i++;
$keys[$j] = null;
}
}

if ($prefix !== $parentPrefix) {
$code .= sprintf(" if (0 === strpos(\$pathinfo, %s)) {\n", var_export($prefix, true));
$optimized = true;
}
}
$countWorth = count($route->all()) > 1;
// whether it's optimizable
if ('' !== $prefix && $prefix !== $parentPrefix && $countWorth && false === strpos($prefix, '{')) {
$code .= sprintf(" if (0 === strpos(\$pathinfo, %s)) {\n", var_export($prefix, true));

if ($optimized) {
foreach (explode("\n", $this->compileRoutes($route, $supportsRedirections, $prefix)) as $line) {
if ('' !== $line) {
$code .= ' '; // apply extra indention
}
$code .= $line."\n";
}

$code = substr($code, 0, -2); // remove redundant last two line breaks
$code .= " }\n\n";
} else {
$code .= $this->compileRoutes($route, $supportsRedirections, $prefix);
$code .= $this->compileRoutes($route, $supportsRedirections, $countWorth ? $prefix : null);
}
} else {
$code .= $this->compileRoute($route, $name, $supportsRedirections, $parentPrefix)."\n";
Expand Down Expand Up @@ -167,7 +150,7 @@ private function compileRoute(Route $route, $name, $supportsRedirections, $paren
$conditions[] = sprintf("\$pathinfo === %s", var_export(str_replace('\\', '', $m['url']), true));
}
} else {
if ($compiledRoute->getStaticPrefix() && $compiledRoute->getStaticPrefix() != $parentPrefix) {
if ($compiledRoute->getStaticPrefix() && $compiledRoute->getStaticPrefix() !== $parentPrefix) {
$conditions[] = sprintf("0 === strpos(\$pathinfo, %s)", var_export($compiledRoute->getStaticPrefix(), true));
}

Expand Down Expand Up @@ -254,47 +237,4 @@ private function compileRoute(Route $route, $name, $supportsRedirections, $paren

return $code;
}

private function startClass($class, $baseClass)
{
return <<<EOF
<?php

use Symfony\Component\Routing\Exception\MethodNotAllowedException;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
use Symfony\Component\Routing\RequestContext;

/**
* $class
*
* This class has been auto-generated
* by the Symfony Routing Component.
*/
class $class extends $baseClass
{

EOF;
}

private function addConstructor()
{
return <<<EOF
/**
* Constructor.
*/
public function __construct(RequestContext \$context)
{
\$this->context = \$context;
}

EOF;
}

private function endClass()
{
return <<<EOF
}

EOF;
}
}
12 changes: 8 additions & 4 deletions src/Symfony/Component/Routing/Route.php
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Expand Up @@ -295,15 +295,19 @@ public function compile()

private function sanitizeRequirement($key, $regex)
{
if (is_array($regex)) {
throw new \InvalidArgumentException(sprintf('Routing requirements must be a string, array given for "%s"', $key));
if (!is_string($regex)) {
throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" must be a string', $key));
}

if ('^' == $regex[0]) {
if ('' === $regex) {
throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty', $key));
}

if ('^' === $regex[0]) {
$regex = substr($regex, 1);
}

if ('$' == substr($regex, -1)) {
if ('$' === substr($regex, -1)) {
$regex = substr($regex, 0, -1);
}

Expand Down
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