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459 lines
11 KiB
459 lines
11 KiB
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Routing;
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/**
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* A Route describes a route and its parameters.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @api
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*/
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class Route implements \Serializable
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{
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/**
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* @var string
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*/
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private $pattern = '/';
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/**
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* @var string
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*/
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private $hostnamePattern = '';
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/**
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* @var array
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*/
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private $defaults = array();
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/**
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* @var array
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*/
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private $requirements = array();
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/**
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* @var array
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*/
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private $options = array();
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/**
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* @var null|RouteCompiler
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*/
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private $compiled;
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private static $compilers = array();
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/**
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* Constructor.
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*
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* Available options:
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*
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* * compiler_class: A class name able to compile this route instance (RouteCompiler by default)
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*
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* @param string $pattern The path pattern to match
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* @param array $defaults An array of default parameter values
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* @param array $requirements An array of requirements for parameters (regexes)
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* @param array $options An array of options
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* @param string $hostnamePattern The hostname pattern to match
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*
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* @api
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*/
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public function __construct($pattern, array $defaults = array(), array $requirements = array(), array $options = array(), $hostnamePattern = '')
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{
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$this->setPattern($pattern);
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$this->setDefaults($defaults);
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$this->setRequirements($requirements);
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$this->setOptions($options);
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$this->setHostnamePattern($hostnamePattern);
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}
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public function serialize()
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{
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return serialize(array(
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'pattern' => $this->pattern,
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'hostnamePattern' => $this->hostnamePattern,
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'defaults' => $this->defaults,
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'requirements' => $this->requirements,
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'options' => $this->options,
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));
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}
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public function unserialize($data)
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{
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$data = unserialize($data);
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$this->pattern = $data['pattern'];
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$this->hostnamePattern = $data['hostnamePattern'];
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$this->defaults = $data['defaults'];
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$this->requirements = $data['requirements'];
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$this->options = $data['options'];
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}
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/**
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* Returns the pattern for the path.
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*
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* @return string The pattern
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*/
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public function getPattern()
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{
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return $this->pattern;
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}
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/**
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* Sets the pattern for the path.
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*
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* This method implements a fluent interface.
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*
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* @param string $pattern The pattern
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*
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* @return Route The current Route instance
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*/
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public function setPattern($pattern)
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{
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// A pattern must start with a slash and must not have multiple slashes at the beginning because the
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// generated path for this route would be confused with a network path, e.g. '//domain.com/path'.
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$this->pattern = '/' . ltrim(trim($pattern), '/');
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$this->compiled = null;
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return $this;
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}
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/**
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* Returns the hostname pattern.
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*
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* @return string The pattern
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*/
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public function getHostnamePattern()
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{
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return $this->hostnamePattern;
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}
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/**
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* Sets the hostname pattern.
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*
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* @param string $pattern The pattern
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*/
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public function setHostnamePattern($pattern)
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{
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$this->hostnamePattern = (string) $pattern;
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$this->compiled = null;
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return $this;
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}
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/**
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* Returns the options.
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*
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* @return array The options
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*/
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public function getOptions()
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{
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return $this->options;
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}
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/**
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* Sets the options.
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*
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* This method implements a fluent interface.
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*
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* @param array $options The options
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*
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* @return Route The current Route instance
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*/
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public function setOptions(array $options)
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{
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$this->options = array(
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'compiler_class' => 'Symfony\\Component\\Routing\\RouteCompiler',
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);
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return $this->addOptions($options);
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}
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/**
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* Adds options.
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*
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* This method implements a fluent interface.
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*
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* @param array $options The options
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*
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* @return Route The current Route instance
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*/
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public function addOptions(array $options)
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{
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foreach ($options as $name => $option) {
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$this->options[$name] = $option;
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}
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$this->compiled = null;
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return $this;
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}
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/**
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* Sets an option value.
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*
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* This method implements a fluent interface.
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*
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* @param string $name An option name
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* @param mixed $value The option value
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*
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* @return Route The current Route instance
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*
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* @api
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*/
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public function setOption($name, $value)
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{
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$this->options[$name] = $value;
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$this->compiled = null;
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return $this;
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}
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/**
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* Get an option value.
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*
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* @param string $name An option name
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*
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* @return mixed The option value or null when not given
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*/
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public function getOption($name)
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{
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return isset($this->options[$name]) ? $this->options[$name] : null;
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}
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/**
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* Checks if a an option has been set
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*
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* @param string $name An option name
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*
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* @return Boolean true if the option is set, false otherwise
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*/
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public function hasOption($name)
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{
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return array_key_exists($name, $this->options);
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}
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/**
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* Returns the defaults.
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*
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* @return array The defaults
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*/
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public function getDefaults()
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{
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return $this->defaults;
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}
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/**
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* Sets the defaults.
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*
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* This method implements a fluent interface.
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*
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* @param array $defaults The defaults
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*
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* @return Route The current Route instance
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*/
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public function setDefaults(array $defaults)
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{
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$this->defaults = array();
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return $this->addDefaults($defaults);
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}
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/**
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* Adds defaults.
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*
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* This method implements a fluent interface.
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*
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* @param array $defaults The defaults
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*
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* @return Route The current Route instance
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*/
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public function addDefaults(array $defaults)
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{
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foreach ($defaults as $name => $default) {
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$this->defaults[$name] = $default;
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}
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$this->compiled = null;
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return $this;
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}
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/**
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* Gets a default value.
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*
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* @param string $name A variable name
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*
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* @return mixed The default value or null when not given
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*/
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public function getDefault($name)
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{
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return isset($this->defaults[$name]) ? $this->defaults[$name] : null;
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}
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/**
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* Checks if a default value is set for the given variable.
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*
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* @param string $name A variable name
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*
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* @return Boolean true if the default value is set, false otherwise
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*/
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public function hasDefault($name)
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{
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return array_key_exists($name, $this->defaults);
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}
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/**
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* Sets a default value.
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*
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* @param string $name A variable name
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* @param mixed $default The default value
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*
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* @return Route The current Route instance
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*
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* @api
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*/
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public function setDefault($name, $default)
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{
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$this->defaults[$name] = $default;
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$this->compiled = null;
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return $this;
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}
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/**
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* Returns the requirements.
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*
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* @return array The requirements
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*/
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public function getRequirements()
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{
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return $this->requirements;
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}
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/**
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* Sets the requirements.
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*
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* This method implements a fluent interface.
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*
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* @param array $requirements The requirements
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*
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* @return Route The current Route instance
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*/
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public function setRequirements(array $requirements)
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{
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$this->requirements = array();
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return $this->addRequirements($requirements);
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}
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/**
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* Adds requirements.
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*
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* This method implements a fluent interface.
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*
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* @param array $requirements The requirements
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*
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* @return Route The current Route instance
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*/
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public function addRequirements(array $requirements)
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{
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foreach ($requirements as $key => $regex) {
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$this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
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}
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$this->compiled = null;
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return $this;
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}
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/**
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* Returns the requirement for the given key.
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*
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* @param string $key The key
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*
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* @return string|null The regex or null when not given
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*/
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public function getRequirement($key)
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{
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return isset($this->requirements[$key]) ? $this->requirements[$key] : null;
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}
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/**
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* Checks if a requirement is set for the given key.
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*
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* @param string $name A variable name
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*
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* @return Boolean true if a requirement is specified, false otherwise
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*/
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public function hasRequirement($key)
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{
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return array_key_exists($key, $this->requirements);
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}
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/**
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* Sets a requirement for the given key.
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*
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* @param string $key The key
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* @param string $regex The regex
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*
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* @return Route The current Route instance
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*
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* @api
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*/
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public function setRequirement($key, $regex)
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{
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$this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
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$this->compiled = null;
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return $this;
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}
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/**
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* Compiles the route.
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*
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* @return CompiledRoute A CompiledRoute instance
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*
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* @see RouteCompiler which is responsible for the compilation process
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*/
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public function compile()
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{
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if (null !== $this->compiled) {
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return $this->compiled;
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}
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$class = $this->getOption('compiler_class');
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if (!isset(self::$compilers[$class])) {
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self::$compilers[$class] = new $class;
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}
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return $this->compiled = self::$compilers[$class]->compile($this);
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}
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private function sanitizeRequirement($key, $regex)
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{
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if (!is_string($regex)) {
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throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" must be a string.', $key));
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}
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if ('' !== $regex && '^' === $regex[0]) {
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$regex = (string) substr($regex, 1); // returns false for a single character
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}
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if ('$' === substr($regex, -1)) {
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$regex = substr($regex, 0, -1);
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}
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if ('' === $regex) {
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throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty.', $key));
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}
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return $regex;
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}
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}
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