Route::dispatch() - Code Metrics - caffeina-core/core - Measure and Improve Code Quality continuously with Scrutinizer

Route::dispatch() D
last analyzed 2019-04-16 08:44 UTC

↳ Parent: Route

Complexity

Conditions	25
Paths	112

Size

Total Lines

Duplication

Lines	22
Ratio	42.31 %

Importance

Changes

Metric	Value
cc	25
nc	112
nop	3
dl	22
loc	52
rs	4.0666
c	0
b	0
f	0

How to fix Long Method Complexity

<?php

/**
 * Route
 *
 * URL Router and action dispatcher.
 *
 * @package core
 * @author [email protected]
 * @copyright Caffeina srl - 2016 - http://caffeina.com
 */

class Route {
    use Module,
        Events {
          on as onEvent;
        }

    public static $routes,
                  $base           = '',
                  $prefix         = [],
                  $group          = [],
                  $tags           = [],
                  $optimized_tree = [];

    protected     $URLPattern         = '',
                  $pattern            = '',
                  $matcher_pattern    = '',
                  $dynamic            = false,
                  $callback           = null,
                  $methods            = [],
                  $befores            = [],
                  $afters             = [],

                  $rules              = [],
                  $response           = '',
                  $tag                = '';


    /**
     * Create a new route definition. This method permits a fluid interface.
     *
     * @param string $URLPattern The URL pattern, can be used named parameters for variables extraction
     * @param $callback The callback to invoke on route match.
     * @param string $method The HTTP method for which the route must respond.
     * @return Route
     */
    public function __construct($URLPattern, $callback = null, $method='get'){
      $prefix  = static::$prefix ? rtrim(implode('',static::$prefix),'/') : '';
      $pattern = '/' . trim($URLPattern, "/");

      $this->callback         = $callback;

      // Adjust / optionality with dynamic patterns
      // Ex:  /test/(:a) ===> /test(/:a)
      $this->URLPattern       = str_replace('//','/',str_replace('/(','(/', rtrim("{$prefix}{$pattern}","/")));

      $this->dynamic          = $this->isDynamic($this->URLPattern);

      $this->pattern          = $this->dynamic
                                ? $this->compilePatternAsRegex($this->URLPattern, $this->rules)
                                : $this->URLPattern;

      $this->matcher_pattern  = $this->dynamic
                                ? $this->compilePatternAsRegex($this->URLPattern, $this->rules, false)
                                : '';

      // We will use hash-checks, for O(1) complexity vs O(n)
      $this->methods[$method] = 1;
      return static::add($this);
    }

    /**
     * Check if route match on a specified URL and HTTP Method.
     * @param  [type] $URL The URL to check against.
     * @param  string $method The HTTP Method to check against.
     * @return boolean
     */
    public function match($URL, $method='get'){
      $method = strtolower($method);

      // * is an http method wildcard
      if (empty($this->methods[$method]) && empty($this->methods['*'])) return false;

      return (bool) (
        $this->dynamic
           ? preg_match($this->matcher_pattern, '/'.trim($URL,'/'))
           : rtrim($URL,'/') == rtrim($this->pattern,'/')
      );
    }

    /**
     * Clears all stored routes definitions to pristine conditions.
     * @return void
     */
    public static function reset(){
      static::$routes = [];
      static::$base   = '';
      static::$prefix = [];
      static::$group  = [];
      static::$optimized_tree = [];
    }

    /**
     * Run one of the mapped callbacks to a passed HTTP Method.
     * @param  array  $args The arguments to be passed to the callback
     * @param  string $method The HTTP Method requested.
     * @return array The callback response.
     */
    public function run(array $args, $method='get'){
      $method = strtolower($method);
      $append_echoed_text = Options::get('core.route.append_echoed_text',true);
      static::trigger('start', $this, $args, $method);

      // Call direct befores
      if ( $this->befores ) {
        // Reverse befores order
        foreach (array_reverse($this->befores) as $mw) {
          static::trigger('before', $this, $mw);
          Event::trigger('core.route.before', $this, $mw);
          ob_start();
          $mw_result  = call_user_func($mw);
          $raw_echoed = ob_get_clean();
          if ($append_echoed_text) Response::add($raw_echoed);
          if ( false  === $mw_result ) {
            return [''];
          } else {
            Response::add($mw_result);
          }
        }
      }

      $callback = (is_array($this->callback) && isset($this->callback[$method]))
                  ? $this->callback[$method]
                  : $this->callback;

      if (is_callable($callback) || is_a($callback, "View") ) {
        Response::type( Options::get('core.route.response_default_type', Response::TYPE_HTML) );

        ob_start();
        if (is_a($callback, "View")) {
          // Get the rendered view
          $view_results = (string)$callback;
        } else {
          $view_results = call_user_func_array($callback, $args);
        }
        $raw_echoed   = ob_get_clean();

        if ($append_echoed_text) Response::add($raw_echoed);
        Response::add($view_results);
      }

      // Apply afters
      if ( $this->afters ) {
        foreach ($this->afters as $mw) {
          static::trigger('after', $this, $mw);
          Event::trigger('core.route.after', $this, $mw);
          ob_start();
          $mw_result  = call_user_func($mw);
          $raw_echoed = ob_get_clean();
          if ($append_echoed_text) Response::add($raw_echoed);
          if ( false  === $mw_result ) {
            return [''];
          } else {
            Response::add($mw_result);
          }
        }
      }

      static::trigger('end', $this, $args, $method);
      Event::trigger('core.route.end', $this);

      return [Filter::with('core.route.response', Response::body())];
     }

    /**
     * Check if route match URL and HTTP Method and run if it is valid.
     * @param  [type] $URL The URL to check against.
     * @param  string $method The HTTP Method to check against.
     * @return array The callback response.
     */
    public function runIfMatch($URL, $method='get'){
      return $this->match($URL,$method) ? $this->run($this->extractArgs($URL),$method) : null;
    }

    /**
     * Start a route definition, default to HTTP GET.
     * @param  string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
     * @param  $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
     * @return Route
     */
    public static function on($URLPattern, $callback = null){
      return new Route($URLPattern,$callback);
    }

    /**
     * Start a route definition with HTTP Method via GET.
     * @param  string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
     * @param  $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
     * @return Route
     */
    public static function get($URLPattern, $callback = null){
      return (new Route($URLPattern,$callback))->via('get');
    }

    /**
     * Start a route definition with HTTP Method via POST.
     * @param  string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
     * @param  $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
     * @return Route
     */
    public static function post($URLPattern, $callback = null){
      return (new Route($URLPattern,$callback))->via('post');
    }

    /**
     * Start a route definition, for any HTTP Method (using * wildcard).
     * @param  string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
     * @param  $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
     * @return Route
     */
    public static function any($URLPattern, $callback = null){
      return (new Route($URLPattern,$callback))->via('*');
    }

    /**
     * Bind a callback to the route definition
     * @param  $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
     * @return Route
     */
    public function & with($callback){
      $this->callback = $callback;
      return $this;
    }

    /**
     * Bind a middleware callback to invoked before the route definition
     * @param  callable $before The callback to be invoked ($this is binded to the route object).
     * @return Route
     */
    public function & before($callback){
      $this->befores[] = $callback;
      return $this;
    }

    /**
     * Bind a middleware callback to invoked after the route definition
     * @param  $callback The callback to be invoked ($this is binded to the route object).
     * @return Route
     */
    public function & after($callback){
      $this->afters[] = $callback;
      return $this;
    }

    /**
     * Defines the HTTP Methods to bind the route onto.
     *
     * Example:
     * <code>
     *  Route::on('/test')->via('get','post','delete');
     * </code>
     *
     * @return Route
     */
    public function & via(...$methods){
      $this->methods = [];
      foreach ($methods as $method){
        $this->methods[strtolower($method)] = true;
      }
      return $this;
    }

    /**
     * Defines the regex rules for the named parameter in the current URL pattern
     *
     * Example:
     * <code>
     *  Route::on('/proxy/:number/:url')
     *    ->rules([
     *      'number'  => '\d+',
     *      'url'     => '.+',
     *    ]);
     * </code>
     *
     * @param  array  $rules The regex rules
     * @return Route
     */
    public function & rules(array $rules){
      foreach ((array)$rules as $varname => $rule){
        $this->rules[$varname] = $rule;
      }
      $this->pattern         = $this->compilePatternAsRegex( $this->URLPattern, $this->rules );
      $this->matcher_pattern = $this->compilePatternAsRegex( $this->URLPattern, $this->rules, false );
      return $this;
    }

    /**
     * Map a HTTP Method => callable array to a route.
     *
     * Example:
     * <code>
     *  Route::map('/test'[
     *      'get'     => function(){ echo "HTTP GET"; },
     *      'post'    => function(){ echo "HTTP POST"; },
     *      'put'     => function(){ echo "HTTP PUT"; },
     *      'delete'  => function(){ echo "HTTP DELETE"; },
     *    ]);
     * </code>
     *
     * @param  string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
     * @param  array $callbacks The HTTP Method => callable map.
     * @return Route
     */
    public static function & map($URLPattern, $callbacks = []){
      $route           = new static($URLPattern);
      $route->callback = [];
      foreach ($callbacks as $method => $callback) {
        $method = strtolower($method);
        if (Request::method() !== $method) continue;
        $route->callback[$method] = $callback;
        $route->methods[$method]  = 1;
      }
      return $route;
    }

    /**
     * Assign a name tag to the route
     * @param  string $name The name tag of the route.
     * @return Route
     */
    public function & tag($name){
      if ($this->tag = $name) static::$tags[$name] =& $this;
      return $this;
    }

    /**
     * Reverse routing : obtain a complete URL for a named route with passed parameters
     * @param  array $params The parameter map of the route dynamic values.
     * @return URL
     */
    public function getURL($params = []){
      $params = (array)$params;
      return new URL(rtrim(preg_replace('(/+)','/',preg_replace_callback('(:(\w+))',function($m) use ($params){
        return isset($params[$m[1]]) ? $params[$m[1]].'/' : '';
      },strtr($this->URLPattern,['('=>'',')'=>'']))),'/')?:'/');
    }

    /**
     * Get a named route
     * @param  string $name The name tag of the route.
     * @return Route or false if not found
     */
    public static function tagged($name){
      return isset(static::$tags[$name]) ? static::$tags[$name] : false;
    }

   /**
     * Helper for reverse routing : obtain a complete URL for a named route with passed parameters
     * @param  string $name The name tag of the route.
     * @param  array $params The parameter map of the route dynamic values.
     * @return string
     */
    public static function URL($name, $params = []){
      return ($r = static::tagged($name)) ? $r-> getURL($params) : new URL();
    }

    /**
     * Compile an URL schema to a PREG regular expression.
     * @param  string $pattern The URL schema.
     * @return string The compiled PREG RegEx.
     */
    protected static function compilePatternAsRegex($pattern, $rules=[], $extract_params=true){

      return '#^'.preg_replace_callback('#:([a-zA-Z]\w*)#',$extract_params
        // Extract named parameters
        ? function($g) use (&$rules){
            return '(?<' . $g[1] . '>' . (isset($rules[$g[1]])?$rules[$g[1]]:'[^/]+') .')';
          }
        // Optimized for matching
        : function($g) use (&$rules){
            return isset($rules[$g[1]]) ? $rules[$g[1]] : '[^/]+';
          },
      str_replace(['.',')','*'],['\.',')?','.+'],$pattern)).'$#';
    }

    /**
     * Extract the URL schema variables from the passed URL.
     * @param  string  $pattern The URL schema with the named parameters
     * @param  string  $URL The URL to process, if omitted the current request URI will be used.
     * @param  boolean $cut If true don't limit the matching to the whole URL (used for group pattern extraction)
     * @return array The extracted variables
     */
    protected static function extractVariablesFromURL($pattern, $URL=null, $cut=false){
      $URL     = $URL ?: Request::URI();
      $pattern = $cut ? str_replace('$#','',$pattern).'#' : $pattern;
      $args    = [];
      if ( !preg_match($pattern,'/'.trim($URL,'/'),$args) ) return false;
      foreach ($args as $key => $value) {
        if (false === is_string($key)) unset($args[$key]);
      }
      return $args;
    }


    public function extractArgs($URL){
      $args = [];
      if ( $this->dynamic ) {
        preg_match($this->pattern, '/'.trim($URL,'/'), $args);
        foreach ($args as $key => $value) {
          if (false === is_string($key)) unset($args[$key]);
        }
      }
      return $args;
    }

    /**
     * Check if an URL schema need dynamic matching (regex).
     * @param  string  $pattern The URL schema.
     * @return boolean
     */
    protected static function isDynamic($pattern){
      return strlen($pattern) != strcspn($pattern,':(?[*+');
    }

    /**
     * Add a route to the internal route repository.
     * @param Route $route
     * @return Route
     */
    public static function add($route){
      if (is_a($route, 'Route')){

        // Add to tag map
        if ($route->tag) static::$tags[$route->tag] =& $route;

        // Optimize tree
        if (Options::get('core.route.auto_optimize', true)){
          $base =& static::$optimized_tree;
          foreach (explode('/',trim(preg_replace('#^(.+?)\(?:.+$#','$1',$route->URLPattern),'/')) as $segment) {
            $segment = trim($segment,'(');
            if (!isset($base[$segment])) $base[$segment] = [];
            $base =& $base[$segment];
          }
          $base[] =& $route;
        }
      }

      // Add route to active group
      if ( isset(static::$group[0]) ) static::$group[0]->add($route);

      return static::$routes[implode('', static::$prefix)][] = $route;
    }

    /**
     * Define a route group, if not immediately matched internal code will not be invoked.
     * @param  string $prefix The url prefix for the internal route definitions.
     * @param  string $callback This callback is invoked on $prefix match of the current request URI.
     */
    public static function group($prefix, $callback){

      // Skip definition if current request doesn't match group.
      $pre_prefix = rtrim(implode('',static::$prefix),'/');
      $URI   = Request::URI();
      $args  = [];
      $group = false;

      switch (true) {

        // Dynamic group
        case static::isDynamic($prefix) :
          $args = static::extractVariablesFromURL($prx=static::compilePatternAsRegex("$pre_prefix$prefix"), null, true);
          if ( $args !== false ) {
            // Burn-in $prefix as static string
            $partial = preg_match_all(str_replace('$#', '#', $prx), $URI, $partial) ? $partial[0][0] : '';
            $prefix = $partial ? preg_replace('#^'.implode('',static::$prefix).'#', '', $partial) : $prefix;
          }

        // Static group
        case ( 0 === strpos("$URI/", "$pre_prefix$prefix/") )
             || ( ! Options::get('core.route.pruning', true) ) :

          static::$prefix[] = $prefix;
          if (empty(static::$group)) static::$group = [];
          array_unshift(static::$group, $group = new RouteGroup());

          // Call the group body function
          call_user_func_array($callback, $args ?: []);

          array_shift(static::$group);
          array_pop(static::$prefix);
          if (empty(static::$prefix)) static::$prefix = [''];
        break;

      }

      return $group ?: new RouteGroup();
    }

    public static function exitWithError($code, $message="Application Error"){
      Response::error($code,$message);
      Response::send();
      exit;
    }

    /**
     * Start the route dispatcher and resolve the URL request.
     * @param  string $URL The URL to match onto.
     * @param  string $method The HTTP method.
     * @param  bool $return_route If setted to true it will *NOT* execute the route but it will return her.
     * @return boolean true if a route callback was executed.
     */
    public static function dispatch($URL=null, $method=null, $return_route=false){
        if (!$URL)     $URL     = Request::URI();
        if (!$method)  $method  = Request::method();
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false

        $__deferred_send = new Deferred(function(){
          if (Options::get('core.response.autosend',true)){
            Response::send();
          }
        });

        if (empty(static::$optimized_tree)) {
          foreach ((array)static::$routes as $group => $routes){
              foreach ($routes as $route) {
                  if (is_a($route, 'Route') && $route->match($URL,$method)){
                    if ($return_route){
                      return $route;
                    } else {
                      $route->run($route->extractArgs($URL),$method);
                      return true;
                    }
                  }
              }
          }
        } else {
          $routes =& static::$optimized_tree;
          foreach (explode('/',trim($URL,'/')) as $segment) {
            if (is_array($routes) && isset($routes[$segment])) $routes =& $routes[$segment];
              // Root-level dynamic routes Ex: "/:param"
              else if (is_array($routes) && isset($routes[''])) $routes =& $routes[''];
            else break;
          }
          if (is_array($routes) && isset($routes[0]) && !is_array($routes[0])) foreach ((array)$routes as $route) {
              if (is_a($route, __CLASS__) && $route->match($URL, $method)){
                    if ($return_route){
                      return $route;
                    } else {
                      $route->run($route->extractArgs($URL),$method);
                      return true;
                    }
              }
          }
        }

        Response::status(404, '404 Resource not found.');
        foreach (array_filter(array_merge(
          (static::trigger(404)?:[]),
          (Event::trigger(404)?:[])
        )) as $res){
           Response::add($res);
        }
        return false;
    }

    public function push($links, $type = 'text'){
      Response::push($links, $type);
      return $this;
    }

}

class RouteGroup {
  protected $routes;

  public function __construct(){
    $this->routes = new SplObjectStorage;
    return Route::add($this);
  }

  public function has($r){
    return $this->routes->contains($r);
  }

  public function add($r){
    $this->routes->attach($r);
    return $this;
  }

  public function remove($r){
    if ($this->routes->contains($r)) $this->routes->detach($r);
    return $this;
  }

  public function before($callbacks){
    foreach ($this->routes as $route){
      $route->before($callbacks);
    }
    return $this;
  }

  public function after($callbacks){
    foreach ($this->routes as $route){
      $route->after($callbacks);
    }
    return $this;
  }

  public function push($links, $type = 'text'){
    Response::push($links, $type);
    return $this;
  }

}



1		<?php
2
3		/**
4		* Route
5		*
6		* URL Router and action dispatcher.
7		*
8		* @package core
9		* @author [email protected]
10		* @copyright Caffeina srl - 2016 - http://caffeina.com
11		*/
12
13		class Route {
14		use Module,
15		Events {
16		on as onEvent;
17		}
18
19		public static $routes,
20		$base = '',
21		$prefix = [],
22		$group = [],
23		$tags = [],
24		$optimized_tree = [];
25
26		protected $URLPattern = '',
27		$pattern = '',
28		$matcher_pattern = '',
29		$dynamic = false,
30		$callback = null,
31		$methods = [],
32		$befores = [],
33		$afters = [],
34
35		$rules = [],
36		$response = '',
37		$tag = '';
38
39
40		/**
41		* Create a new route definition. This method permits a fluid interface.
42		*
43		* @param string $URLPattern The URL pattern, can be used named parameters for variables extraction
44		* @param $callback The callback to invoke on route match.
45		* @param string $method The HTTP method for which the route must respond.
46		* @return Route
47		*/
48		public function __construct($URLPattern, $callback = null, $method='get'){
49		$prefix = static::$prefix ? rtrim(implode('',static::$prefix),'/') : '';
50		$pattern = '/' . trim($URLPattern, "/");
51
52		$this->callback = $callback;
53
54		// Adjust / optionality with dynamic patterns
55		// Ex: /test/(:a) ===> /test(/:a)
56		$this->URLPattern = str_replace('//','/',str_replace('/(','(/', rtrim("{$prefix}{$pattern}","/")));
57
58		$this->dynamic = $this->isDynamic($this->URLPattern);
59
60		$this->pattern = $this->dynamic
61		? $this->compilePatternAsRegex($this->URLPattern, $this->rules)
62		: $this->URLPattern;
63
64		$this->matcher_pattern = $this->dynamic
65		? $this->compilePatternAsRegex($this->URLPattern, $this->rules, false)
66		: '';
67
68		// We will use hash-checks, for O(1) complexity vs O(n)
69		$this->methods[$method] = 1;
70		return static::add($this);
71		}
72
73		/**
74		* Check if route match on a specified URL and HTTP Method.
75		* @param [type] $URL The URL to check against.
76		* @param string $method The HTTP Method to check against.
77		* @return boolean
78		*/
79		public function match($URL, $method='get'){
80		$method = strtolower($method);
81
82		// * is an http method wildcard
83		if (empty($this->methods[$method]) && empty($this->methods['*'])) return false;
84
85		return (bool) (
86		$this->dynamic
87		? preg_match($this->matcher_pattern, '/'.trim($URL,'/'))
88		: rtrim($URL,'/') == rtrim($this->pattern,'/')
89		);
90		}
91
92		/**
93		* Clears all stored routes definitions to pristine conditions.
94		* @return void
95		*/
96		public static function reset(){
97		static::$routes = [];
98		static::$base = '';
99		static::$prefix = [];
100		static::$group = [];
101		static::$optimized_tree = [];
102		}
103
104		/**
105		* Run one of the mapped callbacks to a passed HTTP Method.
106		* @param array $args The arguments to be passed to the callback
107		* @param string $method The HTTP Method requested.
108		* @return array The callback response.
109		*/
110		public function run(array $args, $method='get'){
111		$method = strtolower($method);
112		$append_echoed_text = Options::get('core.route.append_echoed_text',true);
113		static::trigger('start', $this, $args, $method);
114
115		// Call direct befores
116	View Code Duplication	if ( $this->befores ) {
117		// Reverse befores order
118		foreach (array_reverse($this->befores) as $mw) {
119		static::trigger('before', $this, $mw);
120		Event::trigger('core.route.before', $this, $mw);
121		ob_start();
122		$mw_result = call_user_func($mw);
123		$raw_echoed = ob_get_clean();
124		if ($append_echoed_text) Response::add($raw_echoed);
125		if ( false === $mw_result ) {
126		return [''];
127		} else {
128		Response::add($mw_result);
129		}
130		}
131		}
132
133		$callback = (is_array($this->callback) && isset($this->callback[$method]))
134		? $this->callback[$method]
135		: $this->callback;
136
137		if (is_callable($callback) \|\| is_a($callback, "View") ) {
138		Response::type( Options::get('core.route.response_default_type', Response::TYPE_HTML) );
139
140		ob_start();
141		if (is_a($callback, "View")) {
142		// Get the rendered view
143		$view_results = (string)$callback;
144		} else {
145		$view_results = call_user_func_array($callback, $args);
146		}
147		$raw_echoed = ob_get_clean();
148
149		if ($append_echoed_text) Response::add($raw_echoed);
150		Response::add($view_results);
151		}
152
153		// Apply afters
154	View Code Duplication	if ( $this->afters ) {
155		foreach ($this->afters as $mw) {
156		static::trigger('after', $this, $mw);
157		Event::trigger('core.route.after', $this, $mw);
158		ob_start();
159		$mw_result = call_user_func($mw);
160		$raw_echoed = ob_get_clean();
161		if ($append_echoed_text) Response::add($raw_echoed);
162		if ( false === $mw_result ) {
163		return [''];
164		} else {
165		Response::add($mw_result);
166		}
167		}
168		}
169
170		static::trigger('end', $this, $args, $method);
171		Event::trigger('core.route.end', $this);
172
173		return [Filter::with('core.route.response', Response::body())];
174		}
175
176		/**
177		* Check if route match URL and HTTP Method and run if it is valid.
178		* @param [type] $URL The URL to check against.
179		* @param string $method The HTTP Method to check against.
180		* @return array The callback response.
181		*/
182		public function runIfMatch($URL, $method='get'){
183		return $this->match($URL,$method) ? $this->run($this->extractArgs($URL),$method) : null;
184		}
185
186		/**
187		* Start a route definition, default to HTTP GET.
188		* @param string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
189		* @param $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
190		* @return Route
191		*/
192		public static function on($URLPattern, $callback = null){
193		return new Route($URLPattern,$callback);
194		}
195
196		/**
197		* Start a route definition with HTTP Method via GET.
198		* @param string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
199		* @param $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
200		* @return Route
201		*/
202		public static function get($URLPattern, $callback = null){
203		return (new Route($URLPattern,$callback))->via('get');
204		}
205
206		/**
207		* Start a route definition with HTTP Method via POST.
208		* @param string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
209		* @param $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
210		* @return Route
211		*/
212		public static function post($URLPattern, $callback = null){
213		return (new Route($URLPattern,$callback))->via('post');
214		}
215
216		/**
217		* Start a route definition, for any HTTP Method (using * wildcard).
218		* @param string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
219		* @param $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
220		* @return Route
221		*/
222		public static function any($URLPattern, $callback = null){
223		return (new Route($URLPattern,$callback))->via('*');
224		}
225
226		/**
227		* Bind a callback to the route definition
228		* @param $callback The callback to be invoked (with variables extracted from the route if present) when the route match the request URI.
229		* @return Route
230		*/
231		public function & with($callback){
232		$this->callback = $callback;
233		return $this;
234		}
235
236		/**
237		* Bind a middleware callback to invoked before the route definition
238		* @param callable $before The callback to be invoked ($this is binded to the route object).
239		* @return Route
240		*/
241		public function & before($callback){
242		$this->befores[] = $callback;
243		return $this;
244		}
245
246		/**
247		* Bind a middleware callback to invoked after the route definition
248		* @param $callback The callback to be invoked ($this is binded to the route object).
249		* @return Route
250		*/
251		public function & after($callback){
252		$this->afters[] = $callback;
253		return $this;
254		}
255
256		/**
257		* Defines the HTTP Methods to bind the route onto.
258		*
259		* Example:
260		* <code>
261		* Route::on('/test')->via('get','post','delete');
262		* </code>
263		*
264		* @return Route
265		*/
266		public function & via(...$methods){
267		$this->methods = [];
268		foreach ($methods as $method){
269		$this->methods[strtolower($method)] = true;
270		}
271		return $this;
272		}
273
274		/**
275		* Defines the regex rules for the named parameter in the current URL pattern
276		*
277		* Example:
278		* <code>
279		* Route::on('/proxy/:number/:url')
280		* ->rules([
281		* 'number' => '\d+',
282		* 'url' => '.+',
283		* ]);
284		* </code>
285		*
286		* @param array $rules The regex rules
287		* @return Route
288		*/
289		public function & rules(array $rules){
290		foreach ((array)$rules as $varname => $rule){
291		$this->rules[$varname] = $rule;
292		}
293		$this->pattern = $this->compilePatternAsRegex( $this->URLPattern, $this->rules );
294		$this->matcher_pattern = $this->compilePatternAsRegex( $this->URLPattern, $this->rules, false );
295		return $this;
296		}
297
298		/**
299		* Map a HTTP Method => callable array to a route.
300		*
301		* Example:
302		* <code>
303		* Route::map('/test'[
304		* 'get' => function(){ echo "HTTP GET"; },
305		* 'post' => function(){ echo "HTTP POST"; },
306		* 'put' => function(){ echo "HTTP PUT"; },
307		* 'delete' => function(){ echo "HTTP DELETE"; },
308		* ]);
309		* </code>
310		*
311		* @param string $URLPattern The URL to match against, you can define named segments to be extracted and passed to the callback.
312		* @param array $callbacks The HTTP Method => callable map.
313		* @return Route
314		*/
315		public static function & map($URLPattern, $callbacks = []){
316		$route = new static($URLPattern);
317		$route->callback = [];
318		foreach ($callbacks as $method => $callback) {
319		$method = strtolower($method);
320		if (Request::method() !== $method) continue;
321		$route->callback[$method] = $callback;
322		$route->methods[$method] = 1;
323		}
324		return $route;
325		}
326
327		/**
328		* Assign a name tag to the route
329		* @param string $name The name tag of the route.
330		* @return Route
331		*/
332		public function & tag($name){
333		if ($this->tag = $name) static::$tags[$name] =& $this;
334		return $this;
335		}
336
337		/**
338		* Reverse routing : obtain a complete URL for a named route with passed parameters
339		* @param array $params The parameter map of the route dynamic values.
340		* @return URL
341		*/
342		public function getURL($params = []){
343		$params = (array)$params;
344		return new URL(rtrim(preg_replace('(/+)','/',preg_replace_callback('(:(\w+))',function($m) use ($params){
345		return isset($params[$m[1]]) ? $params[$m[1]].'/' : '';
346		},strtr($this->URLPattern,['('=>'',')'=>'']))),'/')?:'/');
347		}
348
349		/**
350		* Get a named route
351		* @param string $name The name tag of the route.
352		* @return Route or false if not found
353		*/
354		public static function tagged($name){
355		return isset(static::$tags[$name]) ? static::$tags[$name] : false;
356		}
357
358		/**
359		* Helper for reverse routing : obtain a complete URL for a named route with passed parameters
360		* @param string $name The name tag of the route.
361		* @param array $params The parameter map of the route dynamic values.
362		* @return string
363		*/
364		public static function URL($name, $params = []){
365		return ($r = static::tagged($name)) ? $r-> getURL($params) : new URL();
366		}
367
368		/**
369		* Compile an URL schema to a PREG regular expression.
370		* @param string $pattern The URL schema.
371		* @return string The compiled PREG RegEx.
372		*/
373		protected static function compilePatternAsRegex($pattern, $rules=[], $extract_params=true){
374
375		return '#^'.preg_replace_callback('#:([a-zA-Z]\w*)#',$extract_params
376		// Extract named parameters
377		? function($g) use (&$rules){
378		return '(?<' . $g[1] . '>' . (isset($rules[$g[1]])?$rules[$g[1]]:'[^/]+') .')';
379		}
380		// Optimized for matching
381		: function($g) use (&$rules){
382		return isset($rules[$g[1]]) ? $rules[$g[1]] : '[^/]+';
383		},
384		str_replace(['.',')','*'],['\.',')?','.+'],$pattern)).'$#';
385		}
386
387		/**
388		* Extract the URL schema variables from the passed URL.
389		* @param string $pattern The URL schema with the named parameters
390		* @param string $URL The URL to process, if omitted the current request URI will be used.
391		* @param boolean $cut If true don't limit the matching to the whole URL (used for group pattern extraction)
392		* @return array The extracted variables
393		*/
394		protected static function extractVariablesFromURL($pattern, $URL=null, $cut=false){
395		$URL = $URL ?: Request::URI();
396		$pattern = $cut ? str_replace('$#','',$pattern).'#' : $pattern;
397		$args = [];
398		if ( !preg_match($pattern,'/'.trim($URL,'/'),$args) ) return false;
399		foreach ($args as $key => $value) {
400		if (false === is_string($key)) unset($args[$key]);
401		}
402		return $args;
403		}
404
405
406		public function extractArgs($URL){
407		$args = [];
408		if ( $this->dynamic ) {
409		preg_match($this->pattern, '/'.trim($URL,'/'), $args);
410		foreach ($args as $key => $value) {
411		if (false === is_string($key)) unset($args[$key]);
412		}
413		}
414		return $args;
415		}
416
417		/**
418		* Check if an URL schema need dynamic matching (regex).
419		* @param string $pattern The URL schema.
420		* @return boolean
421		*/
422		protected static function isDynamic($pattern){
423		return strlen($pattern) != strcspn($pattern,':(?[*+');
424		}
425
426		/**
427		* Add a route to the internal route repository.
428		* @param Route $route
429		* @return Route
430		*/
431		public static function add($route){
432		if (is_a($route, 'Route')){
433
434		// Add to tag map
435		if ($route->tag) static::$tags[$route->tag] =& $route;
436
437		// Optimize tree
438		if (Options::get('core.route.auto_optimize', true)){
439		$base =& static::$optimized_tree;
440		foreach (explode('/',trim(preg_replace('#^(.+?)\(?:.+$#','$1',$route->URLPattern),'/')) as $segment) {
441		$segment = trim($segment,'(');
442		if (!isset($base[$segment])) $base[$segment] = [];
443		$base =& $base[$segment];
444		}
445		$base[] =& $route;
446		}
447		}
448
449		// Add route to active group
450		if ( isset(static::$group[0]) ) static::$group[0]->add($route);
451
452		return static::$routes[implode('', static::$prefix)][] = $route;
453		}
454
455		/**
456		* Define a route group, if not immediately matched internal code will not be invoked.
457		* @param string $prefix The url prefix for the internal route definitions.
458		* @param string $callback This callback is invoked on $prefix match of the current request URI.
459		*/
460		public static function group($prefix, $callback){
461
462		// Skip definition if current request doesn't match group.
463		$pre_prefix = rtrim(implode('',static::$prefix),'/');
464		$URI = Request::URI();
465		$args = [];
466		$group = false;
467
468		switch (true) {
469
470		// Dynamic group
471		case static::isDynamic($prefix) :
472		$args = static::extractVariablesFromURL($prx=static::compilePatternAsRegex("$pre_prefix$prefix"), null, true);
473		if ( $args !== false ) {
474		// Burn-in $prefix as static string
475		$partial = preg_match_all(str_replace('$#', '#', $prx), $URI, $partial) ? $partial[0][0] : '';
476		$prefix = $partial ? preg_replace('#^'.implode('',static::$prefix).'#', '', $partial) : $prefix;
477		}
478
479		// Static group
480		case ( 0 === strpos("$URI/", "$pre_prefix$prefix/") )
481		\|\| ( ! Options::get('core.route.pruning', true) ) :
482
483		static::$prefix[] = $prefix;
484		if (empty(static::$group)) static::$group = [];
485		array_unshift(static::$group, $group = new RouteGroup());
486
487		// Call the group body function
488		call_user_func_array($callback, $args ?: []);
489
490		array_shift(static::$group);
491		array_pop(static::$prefix);
492		if (empty(static::$prefix)) static::$prefix = [''];
493		break;
494
495		}
496
497		return $group ?: new RouteGroup();
498		}
499
500		public static function exitWithError($code, $message="Application Error"){
501		Response::error($code,$message);
502		Response::send();
503		exit;
504		}
505
506		/**
507		* Start the route dispatcher and resolve the URL request.
508		* @param string $URL The URL to match onto.
509		* @param string $method The HTTP method.
510		* @param bool $return_route If setted to true it will NOT execute the route but it will return her.
511		* @return boolean true if a route callback was executed.
512		*/
513		public static function dispatch($URL=null, $method=null, $return_route=false){
514		if (!$URL) $URL = Request::URI();
515		if (!$method) $method = Request::method();
		0 ignored issues – show Bug Best Practice introduced 2016-08-22 21:57 UTC by Report Bug Copy Issue Report The expression `$method` of type `string\|null` is loosely compared to `false`; this is ambiguous if the string can be empty. You might want to explicitly use `=== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `string` values, the empty string `''` is a special case, in particular the following results might be unexpected: '' == false // true '' == null // true 'ab' == false // false 'ab' == null // false // It is often better to use strict comparison '' === false // false '' === null // false Loading history...
516
517		$__deferred_send = new Deferred(function(){
518		if (Options::get('core.response.autosend',true)){
519		Response::send();
520		}
521		});
522
523		if (empty(static::$optimized_tree)) {
524	View Code Duplication	foreach ((array)static::$routes as $group => $routes){
525		foreach ($routes as $route) {
526		if (is_a($route, 'Route') && $route->match($URL,$method)){
527		if ($return_route){
528		return $route;
529		} else {
530		$route->run($route->extractArgs($URL),$method);
531		return true;
532		}
533		}
534		}
535		}
536		} else {
537		$routes =& static::$optimized_tree;
538		foreach (explode('/',trim($URL,'/')) as $segment) {
539		if (is_array($routes) && isset($routes[$segment])) $routes =& $routes[$segment];
540		// Root-level dynamic routes Ex: "/:param"
541		else if (is_array($routes) && isset($routes[''])) $routes =& $routes[''];
542		else break;
543		}
544	View Code Duplication	if (is_array($routes) && isset($routes[0]) && !is_array($routes[0])) foreach ((array)$routes as $route) {
545		if (is_a($route, __CLASS__) && $route->match($URL, $method)){
546		if ($return_route){
547		return $route;
548		} else {
549		$route->run($route->extractArgs($URL),$method);
550		return true;
551		}
552		}
553		}
554		}
555
556		Response::status(404, '404 Resource not found.');
557		foreach (array_filter(array_merge(
558		(static::trigger(404)?:[]),
559		(Event::trigger(404)?:[])
560		)) as $res){
561		Response::add($res);
562		}
563		return false;
564		}
565
566		public function push($links, $type = 'text'){
567		Response::push($links, $type);
568		return $this;
569		}
570
571		}
572
573		class RouteGroup {
574		protected $routes;
575
576		public function __construct(){
577		$this->routes = new SplObjectStorage;
578		return Route::add($this);
579		}
580
581		public function has($r){
582		return $this->routes->contains($r);
583		}
584
585		public function add($r){
586		$this->routes->attach($r);
587		return $this;
588		}
589
590		public function remove($r){
591		if ($this->routes->contains($r)) $this->routes->detach($r);
592		return $this;
593		}
594
595		public function before($callbacks){
596		foreach ($this->routes as $route){
597		$route->before($callbacks);
598		}
599		return $this;
600		}
601
602		public function after($callbacks){
603		foreach ($this->routes as $route){
604		$route->after($callbacks);
605		}
606		return $this;
607		}
608
609		public function push($links, $type = 'text'){
610		Response::push($links, $type);
611		return $this;
612		}
613
614		}
615
616

caffeina-core / core

Route::dispatch() D last analyzed 2019-04-16 08:44 UTC

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Duplication Side-by-Side

Filter issues like

Route::dispatch() D
last analyzed 2019-04-16 08:44 UTC