initial commit of laravel!

system/url.php

@@ -0,0 +1,132 @@
+<?php namespace System;
+
+class URL {
+
+	/**
+	 * Generate an application URL.
+	 *
+	 * @param  string  $url
+	 * @return string
+	 */
+	public static function to($url = '', $https = false)
+	{
+		// ----------------------------------------------------
+		// Return the URL unchanged if it is already formed.
+		// ----------------------------------------------------
+		if (strpos($url, '://') !== false)
+		{
+			return $url;
+		}
+
+		// ----------------------------------------------------
+		// Get the base URL of the application.
+		// ----------------------------------------------------
+		$base = Config::get('application.url');
+
+		// ----------------------------------------------------
+		// Does the URL need an HTTPS protocol?
+		// ----------------------------------------------------
+		if (strpos($base, 'http://') === 0 and $https)
+		{
+			$base = 'https://'.substr($base, 7);
+		}
+
+		return rtrim($base, '/').'/'.ltrim($url, '/');
+	}
+
+	/**
+	 * Generate an application URL with HTTPS.
+	 *
+	 * @param  string  $url
+	 * @return string
+	 */
+	public static function to_secure($url = '')
+	{
+		return static::to($url, true);
+	}
+
+	/**
+	 * Generate a URL from a route name.
+	 *
+	 * @param  string  $name
+	 * @param  array   $parameters
+	 * @param  bool    $https
+	 * @return string
+	 */
+	public static function to_route($name, $parameters = array(), $https = false)
+	{
+		// ----------------------------------------------------
+		// Does the named route exist?
+		// ----------------------------------------------------
+		if ( ! is_null($route = Router::find($name)))
+		{
+			$uris = explode(', ', key($route));
+
+			// ----------------------------------------------------
+			// Get the first URI assigned to the route.
+			// ----------------------------------------------------
+			$uri = substr($uris[0], strpos($uris[0], '/'));
+
+			// ----------------------------------------------------
+			// Replace any parameters in the URI.
+			// ----------------------------------------------------
+			foreach ($parameters as $parameter)
+			{
+				$uri = preg_replace('/\(\:any\)|\(\:num\)|\(.+\)/', $parameter, $uri, 1);
+			}
+
+			return static::to($uri, $https);
+		}
+
+		throw new \Exception("Error generating named route for route [$name]. Route is not defined.");
+	}
+
+	/**
+	 * Generate a URL friendly "slug".
+	 *
+	 * @param  string  $title
+	 * @param  string  $separator
+	 * @return string
+	 */
+	public static function slug($title, $separator = '-')
+	{
+		// ----------------------------------------------------
+		// Remove all characters that are not the separator,
+		// letters, numbers, or whitespace.
+		// ----------------------------------------------------
+		$title = preg_replace('![^'.preg_quote($separator).'\pL\pN\s]+!u', '', Str::lower($title));
+
+		// ----------------------------------------------------
+		// Replace all separator characters and whitespace by
+		// a single separator
+		// ----------------------------------------------------
+		$title = preg_replace('!['.preg_quote($separator).'\s]+!u', $separator, $title);
+
+		return trim($title, $separator);
+	}
+
+	/**
+	 * Magic Method for dynamically creating route URLs.
+	 */
+	public static function __callStatic($method, $parameters)
+	{
+		// ----------------------------------------------------
+		// Dynamically create a secure route URL.
+		// ----------------------------------------------------
+		if (strpos($method, 'to_secure_') === 0)
+		{
+			return static::to_route(substr($method, 10), $parameters, true);
+		}
+
+		// ----------------------------------------------------
+		// Dynamically create a route URL.
+		// ----------------------------------------------------
+		if (strpos($method, 'to_') === 0)
+		{
+			return static::to_route(substr($method, 3), $parameters);
+		}
+
+		throw new \Exception("Method [$method] is not defined on the URL class.");
+	}
+
+}