working on cleaning generator

src/Illuminate/Routing/RouteUrlGenerator.php

@@ -0,0 +1,318 @@
+<?php
+
+namespace Illuminate\Routing;
+
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+use Illuminate\Routing\Exceptions\UrlGenerationException;
+
+class RouteUrlGenerator
+{
+    /**
+     * The URL generator instance.
+     *
+     * @param  \Illuminate\Routing\UrlGenerator
+     */
+    protected $url;
+
+    /**
+     * The request instance.
+     *
+     * @var \Illuminate\Http\Request
+     */
+    protected $request;
+
+    /**
+     * The named parameter defaults.
+     *
+     * @var array
+     */
+    public $defaultParameters = [];
+
+    /**
+     * Characters that should not be URL encoded.
+     *
+     * @var array
+     */
+    public $dontEncode = [
+        '%2F' => '/',
+        '%40' => '@',
+        '%3A' => ':',
+        '%3B' => ';',
+        '%2C' => ',',
+        '%3D' => '=',
+        '%2B' => '+',
+        '%21' => '!',
+        '%2A' => '*',
+        '%7C' => '|',
+        '%3F' => '?',
+        '%26' => '&',
+        '%23' => '#',
+        '%25' => '%',
+    ];
+
+    /**
+     * Create a new Route URL generator.
+     *
+     * @param  \Illuminate\Routing\UrlGenerator  $url
+     * @param  \Illuminate\Http\Request  $request
+     * @return void
+     */
+    public function __construct($url, $request)
+    {
+        $this->url = $url;
+        $this->request = $request;
+    }
+
+    /**
+     * Generate a URL for the given route.
+     *
+     * @param  \Illuminate\Routing\UrlGeneartor  $url
+     * @param  \Illuminate\Routing\Route  $route
+     * @param  array  $parameters
+     * @param  bool  $absolute
+     * @return string
+     */
+    public function to($route, $parameters = [], $absolute = false)
+    {
+        $domain = $this->getRouteDomain($route, $parameters);
+
+        $uri = $this->addQueryString($this->url->format(
+            $root = $this->replaceRoot($route, $domain, $parameters),
+            $this->replaceRouteParameters($route->uri(), $parameters)
+        ), $parameters);
+
+        if (preg_match('/\{.*?\}/', $uri)) {
+            throw UrlGenerationException::forMissingParameters($route);
+        }
+
+        $uri = strtr(rawurlencode($uri), $this->dontEncode);
+
+        return $absolute ? $uri : '/'.ltrim(str_replace($root, '', $uri), '/');
+    }
+
+    /**
+     * Get the formatted domain for a given route.
+     *
+     * @param  \Illuminate\Routing\Route  $route
+     * @param  array  $parameters
+     * @return string
+     */
+    protected function getRouteDomain($route, &$parameters)
+    {
+        return $route->domain() ? $this->formatDomain($route, $parameters) : null;
+    }
+
+    /**
+     * Format the domain and port for the route and request.
+     *
+     * @param  \Illuminate\Routing\Route  $route
+     * @param  array  $parameters
+     * @return string
+     */
+    protected function formatDomain($route, &$parameters)
+    {
+        return $this->addPortToDomain($this->getDomainAndScheme($route));
+    }
+
+    /**
+     * Get the domain and scheme for the route.
+     *
+     * @param  \Illuminate\Routing\Route  $route
+     * @return string
+     */
+    protected function getDomainAndScheme($route)
+    {
+        return $this->getRouteScheme($route).$route->domain();
+    }
+
+    /**
+     * Get the scheme for the given route.
+     *
+     * @param  \Illuminate\Routing\Route  $route
+     * @return string
+     */
+    protected function getRouteScheme($route)
+    {
+        if ($route->httpOnly()) {
+            return 'http://';
+        } elseif ($route->httpsOnly()) {
+            return 'https://';
+        }
+
+        return $this->url->formatScheme(null);
+    }
+
+    /**
+     * Add the port to the domain if necessary.
+     *
+     * @param  string  $domain
+     * @return string
+     */
+    protected function addPortToDomain($domain)
+    {
+        $secure = $this->request->isSecure();
+
+        $port = (int) $this->request->getPort();
+
+        if (($secure && $port === 443) || (! $secure && $port === 80)) {
+            return $domain;
+        }
+
+        return $domain.':'.$port;
+    }
+
+    /**
+     * Add a query string to the URI.
+     *
+     * @param  string  $uri
+     * @param  array  $parameters
+     * @return mixed|string
+     */
+    protected function addQueryString($uri, array $parameters)
+    {
+        // If the URI has a fragment we will move it to the end of this URI since it will
+        // need to come after any query string that may be added to the URL else it is
+        // not going to be available. We will remove it then append it back on here.
+        if (! is_null($fragment = parse_url($uri, PHP_URL_FRAGMENT))) {
+            $uri = preg_replace('/#.*/', '', $uri);
+        }
+
+        $uri .= $this->getRouteQueryString($parameters);
+
+        return is_null($fragment) ? $uri : $uri."#{$fragment}";
+    }
+
+    /**
+     * Get the query string for a given route.
+     *
+     * @param  array  $parameters
+     * @return string
+     */
+    protected function getRouteQueryString(array $parameters)
+    {
+        // First we will get all of the string parameters that are remaining after we
+        // have replaced the route wildcards. We'll then build a query string from
+        // these string parameters then use it as a starting point for the rest.
+        if (count($parameters) == 0) {
+            return '';
+        }
+
+        $query = http_build_query(
+            $keyed = $this->getStringParameters($parameters)
+        );
+
+        // Lastly, if there are still parameters remaining, we will fetch the numeric
+        // parameters that are in the array and add them to the query string or we
+        // will make the initial query string if it wasn't started with strings.
+        if (count($keyed) < count($parameters)) {
+            $query .= '&'.implode(
+                '&', $this->getNumericParameters($parameters)
+            );
+        }
+
+        return '?'.trim($query, '&');
+    }
+
+    /**
+     * Get the string parameters from a given list.
+     *
+     * @param  array  $parameters
+     * @return array
+     */
+    protected function getStringParameters(array $parameters)
+    {
+        return array_filter($parameters, 'is_string', ARRAY_FILTER_USE_KEY);
+    }
+
+    /**
+     * Get the numeric parameters from a given list.
+     *
+     * @param  array  $parameters
+     * @return array
+     */
+    protected function getNumericParameters(array $parameters)
+    {
+        return array_filter($parameters, 'is_numeric', ARRAY_FILTER_USE_KEY);
+    }
+
+    /**
+     * Replace the parameters on the root path.
+     *
+     * @param  \Illuminate\Routing\Route  $route
+     * @param  string  $domain
+     * @param  array  $parameters
+     * @return string
+     */
+    protected function replaceRoot($route, $domain, &$parameters)
+    {
+        return $this->replaceRouteParameters(
+            $this->formatRouteRoot($route, $domain), $parameters
+        );
+    }
+
+    /**
+     * Get the root of the route URL.
+     *
+     * @param  \Illuminate\Routing\Route  $route
+     * @param  string  $domain
+     * @return string
+     */
+    protected function formatRouteRoot($route, $domain)
+    {
+        return $this->url->formatRoot($this->getRouteScheme($route), $domain);
+    }
+
+    /**
+     * Replace all of the wildcard parameters for a route path.
+     *
+     * @param  string  $path
+     * @param  array  $parameters
+     * @return string
+     */
+    protected function replaceRouteParameters($path, array &$parameters)
+    {
+        $path = $this->replaceNamedParameters($path, $parameters);
+
+        $path = preg_replace_callback('/\{.*?\}/', function ($match) use (&$parameters) {
+            return (empty($parameters) && ! Str::endsWith($match[0], '?}'))
+                        ? $match[0]
+                        : array_shift($parameters);
+        }, $path);
+
+        return trim(preg_replace('/\{.*?\?\}/', '', $path), '/');
+    }
+
+    /**
+     * Replace all of the named parameters in the path.
+     *
+     * @param  string  $path
+     * @param  array  $parameters
+     * @return string
+     */
+    protected function replaceNamedParameters($path, &$parameters)
+    {
+        return preg_replace_callback('/\{(.*?)\??\}/', function ($m) use (&$parameters) {
+            if (isset($parameters[$m[1]])) {
+                return Arr::pull($parameters, $m[1]);
+            } elseif (isset($this->defaultParameters[$m[1]])) {
+                return $this->defaultParameters[$m[1]];
+            } else {
+                return $m[0];
+            }
+        }, $path);
+    }
+
+    /**
+     * Set the default named parameters used by the URL generator.
+     *
+     * @param  array  $defaults
+     * @return void
+     */
+    public function defaults(array $defaults)
+    {
+        $this->defaultParameters = array_merge(
+            $this->defaultParameters, $defaults
+        );
+    }
+}