From 12fe58d997d2066dc362fd393a18b4e5da190513 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Wed, 27 May 2009 15:11:53 -0700
Subject: Rename 'kohana' to 'system' to conform to the Kohana filesystem
 layout.  I'm comfortable with us not clearly drawing the distinction about
 the fact that it's Kohana.

---
 kohana/helpers/request.php | 239 ---------------------------------------------
 1 file changed, 239 deletions(-)
 delete mode 100644 kohana/helpers/request.php

(limited to 'kohana/helpers/request.php')

diff --git a/kohana/helpers/request.php b/kohana/helpers/request.php
deleted file mode 100644
index 4203d0e5..00000000
--- a/kohana/helpers/request.php
+++ /dev/null
@@ -1,239 +0,0 @@
-<?php defined('SYSPATH') OR die('No direct access allowed.');
-/**
- * Request helper class.
- *
- * $Id: request.php 4355 2009-05-15 17:18:28Z kiall $
- *
- * @package    Core
- * @author     Kohana Team
- * @copyright  (c) 2007-2008 Kohana Team
- * @license    http://kohanaphp.com/license.html
- */
-class request_Core {
-
-	// Possible HTTP methods
-	protected static $http_methods = array('get', 'head', 'options', 'post', 'put', 'delete');
-
-	// Content types from client's HTTP Accept request header (array)
-	protected static $accept_types;
-
-	/**
-	 * Returns the HTTP referrer, or the default if the referrer is not set.
-	 *
-	 * @param   mixed   default to return
-	 * @return  string
-	 */
-	public static function referrer($default = FALSE)
-	{
-		if ( ! empty($_SERVER['HTTP_REFERER']))
-		{
-			// Set referrer
-			$ref = $_SERVER['HTTP_REFERER'];
-
-			if (strpos($ref, url::base(FALSE)) === 0)
-			{
-				// Remove the base URL from the referrer
-				$ref = substr($ref, strlen(url::base(FALSE)));
-			}
-		}
-
-		return isset($ref) ? $ref : $default;
-	}
-
-	/**
-	 * Returns the current request protocol, based on $_SERVER['https']. In CLI
-	 * mode, NULL will be returned.
-	 *
-	 * @return  string
-	 */
-	public static function protocol()
-	{
-		if (PHP_SAPI === 'cli')
-		{
-			return NULL;
-		}
-		elseif ( ! empty($_SERVER['HTTPS']) AND $_SERVER['HTTPS'] === 'on')
-		{
-			return 'https';
-		}
-		else
-		{
-			return 'http';
-		}
-	}
-
-	/**
-	 * Tests if the current request is an AJAX request by checking the X-Requested-With HTTP
-	 * request header that most popular JS frameworks now set for AJAX calls.
-	 *
-	 * @return  boolean
-	 */
-	public static function is_ajax()
-	{
-		return (isset($_SERVER['HTTP_X_REQUESTED_WITH']) AND strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) === 'xmlhttprequest');
-	}
-
-	/**
-	 * Returns current request method.
-	 *
-	 * @throws  Kohana_Exception in case of an unknown request method
-	 * @return  string
-	 */
-	public static function method()
-	{
-		$method = strtolower($_SERVER['REQUEST_METHOD']);
-
-		if ( ! in_array($method, request::$http_methods))
-			throw new Kohana_Exception('request.unknown_method', $method);
-
-		return $method;
-	 }
-
-	/**
-	 * Returns boolean of whether client accepts content type.
-	 *
-	 * @param   string   content type
-	 * @param   boolean  set to TRUE to disable wildcard checking
-	 * @return  boolean
-	 */
-	public static function accepts($type = NULL, $explicit_check = FALSE)
-	{
-		request::parse_accept_header();
-
-		if ($type === NULL)
-			return request::$accept_types;
-
-		return (request::accepts_at_quality($type, $explicit_check) > 0);
-	}
-
-	/**
-	 * Compare the q values for given array of content types and return the one with the highest value.
-	 * If items are found to have the same q value, the first one encountered in the given array wins.
-	 * If all items in the given array have a q value of 0, FALSE is returned.
-	 *
-	 * @param   array    content types
-	 * @param   boolean  set to TRUE to disable wildcard checking
-	 * @return  mixed    string mime type with highest q value, FALSE if none of the given types are accepted
-	 */
-	public static function preferred_accept($types, $explicit_check = FALSE)
-	{
-		// Initialize
-		$mime_types = array();
-		$max_q = 0;
-		$preferred = FALSE;
-
-		// Load q values for all given content types
-		foreach (array_unique($types) as $type)
-		{
-			$mime_types[$type] = request::accepts_at_quality($type, $explicit_check);
-		}
-
-		// Look for the highest q value
-		foreach ($mime_types as $type => $q)
-		{
-			if ($q > $max_q)
-			{
-				$max_q = $q;
-				$preferred = $type;
-			}
-		}
-
-		return $preferred;
-	}
-
-	/**
-	 * Returns quality factor at which the client accepts content type.
-	 *
-	 * @param   string   content type (e.g. "image/jpg", "jpg")
-	 * @param   boolean  set to TRUE to disable wildcard checking
-	 * @return  integer|float
-	 */
-	public static function accepts_at_quality($type = NULL, $explicit_check = FALSE)
-	{
-		request::parse_accept_header();
-
-		// Normalize type
-		$type = strtolower((string) $type);
-
-		// General content type (e.g. "jpg")
-		if (strpos($type, '/') === FALSE)
-		{
-			// Don't accept anything by default
-			$q = 0;
-
-			// Look up relevant mime types
-			foreach ((array) Kohana::config('mimes.'.$type) as $type)
-			{
-				$q2 = request::accepts_at_quality($type, $explicit_check);
-				$q = ($q2 > $q) ? $q2 : $q;
-			}
-
-			return $q;
-		}
-
-		// Content type with subtype given (e.g. "image/jpg")
-		$type = explode('/', $type, 2);
-
-		// Exact match
-		if (isset(request::$accept_types[$type[0]][$type[1]]))
-			return request::$accept_types[$type[0]][$type[1]];
-
-		// Wildcard match (if not checking explicitly)
-		if ($explicit_check === FALSE AND isset(request::$accept_types[$type[0]]['*']))
-			return request::$accept_types[$type[0]]['*'];
-
-		// Catch-all wildcard match (if not checking explicitly)
-		if ($explicit_check === FALSE AND isset(request::$accept_types['*']['*']))
-			return request::$accept_types['*']['*'];
-
-		// Content type not accepted
-		return 0;
-	}
-
-	/**
-	 * Parses client's HTTP Accept request header, and builds array structure representing it.
-	 *
-	 * @return  void
-	 */
-	protected static function parse_accept_header()
-	{
-		// Run this function just once
-		if (request::$accept_types !== NULL)
-			return;
-
-		// Initialize accept_types array
-		request::$accept_types = array();
-
-		// No HTTP Accept header found
-		if (empty($_SERVER['HTTP_ACCEPT']))
-		{
-			// Accept everything
-			request::$accept_types['*']['*'] = 1;
-			return;
-		}
-
-		// Remove linebreaks and parse the HTTP Accept header
-		foreach (explode(',', str_replace(array("\r", "\n"), '', $_SERVER['HTTP_ACCEPT'])) as $accept_entry)
-		{
-			// Explode each entry in content type and possible quality factor
-			$accept_entry = explode(';', trim($accept_entry), 2);
-
-			// Explode each content type (e.g. "text/html")
-			$type = explode('/', $accept_entry[0], 2);
-
-			// Skip invalid content types
-			if ( ! isset($type[1]))
-				continue;
-
-			// Assume a default quality factor of 1 if no custom q value found
-			$q = (isset($accept_entry[1]) AND preg_match('~\bq\s*+=\s*+([.0-9]+)~', $accept_entry[1], $match)) ? (float) $match[1] : 1;
-
-			// Populate accept_types array
-			if ( ! isset(request::$accept_types[$type[0]][$type[1]]) OR $q > request::$accept_types[$type[0]][$type[1]])
-			{
-				request::$accept_types[$type[0]][$type[1]] = $q;
-			}
-		}
-	}
-
-} // End request
\ No newline at end of file
-- 
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