--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cake/libs/view/helpers/rss.php	Sun Jul 24 21:08:31 2011 +0900
@@ -0,0 +1,292 @@
+<?php
+/**
+ * RSS Helper class file.
+ *
+ * Simplifies the output of RSS feeds.
+ *
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @package       cake
+ * @subpackage    cake.cake.libs.view.helpers
+ * @since         CakePHP(tm) v 1.2
+ * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
+App::import('Helper', 'Xml');
+
+/**
+ * XML Helper class for easy output of XML structures.
+ *
+ * XmlHelper encloses all methods needed while working with XML documents.
+ *
+ * @package       cake
+ * @subpackage    cake.cake.libs.view.helpers
+ * @link http://book.cakephp.org/view/1460/RSS
+ */
+class RssHelper extends XmlHelper {
+
+/**
+ * Helpers used by RSS Helper
+ *
+ * @var array
+ * @access public
+ */
+	var $helpers = array('Time');
+
+/**
+ * Base URL
+ *
+ * @access public
+ * @var string
+ */
+	var $base = null;
+
+/**
+ * URL to current action.
+ *
+ * @access public
+ * @var string
+ */
+	var $here = null;
+
+/**
+ * Parameter array.
+ *
+ * @access public
+ * @var array
+ */
+	var $params = array();
+
+/**
+ * Current action.
+ *
+ * @access public
+ * @var string
+ */
+	var $action = null;
+
+/**
+ * POSTed model data
+ *
+ * @access public
+ * @var array
+ */
+	var $data = null;
+
+/**
+ * Name of the current model
+ *
+ * @access public
+ * @var string
+ */
+	var $model = null;
+
+/**
+ * Name of the current field
+ *
+ * @access public
+ * @var string
+ */
+	var $field = null;
+
+/**
+ * Default spec version of generated RSS
+ *
+ * @access public
+ * @var string
+ */
+	var $version = '2.0';
+
+/**
+ * Returns an RSS document wrapped in `<rss />` tags
+ *
+ * @param array $attrib `<rss />` tag attributes
+ * @return string An RSS document
+ * @access public
+ */
+	function document($attrib = array(), $content = null) {
+		if ($content === null) {
+			$content = $attrib;
+			$attrib = array();
+		}
+		if (!isset($attrib['version']) || empty($attrib['version'])) {
+			$attrib['version'] = $this->version;
+		}
+
+		return $this->elem('rss', $attrib, $content);
+	}
+
+/**
+ * Returns an RSS `<channel />` element
+ *
+ * @param array $attrib `<channel />` tag attributes
+ * @param mixed $elements Named array elements which are converted to tags
+ * @param mixed $content Content (`<item />`'s belonging to this channel
+ * @return string An RSS `<channel />`
+ * @access public
+ */
+	function channel($attrib = array(), $elements = array(), $content = null) {
+		$view =& ClassRegistry::getObject('view');
+
+		if (!isset($elements['title']) && !empty($view->pageTitle)) {
+			$elements['title'] = $view->pageTitle;
+		}
+		if (!isset($elements['link'])) {
+			$elements['link'] = '/';
+		}
+		if (!isset($elements['description'])) {
+			$elements['description'] = '';
+		}
+		$elements['link'] = $this->url($elements['link'], true);
+
+		$elems = '';
+		foreach ($elements as $elem => $data) {
+			$attributes = array();
+			if (is_array($data)) {
+				if (strtolower($elem) == 'cloud') {
+					$attributes = $data;
+					$data = array();
+				} elseif (isset($data['attrib']) && is_array($data['attrib'])) {
+					$attributes = $data['attrib'];
+					unset($data['attrib']);
+				} else {
+					$innerElements = '';
+					foreach ($data as $subElement => $value) {
+						$innerElements .= $this->elem($subElement, array(), $value);
+					}
+					$data = $innerElements;
+				}
+			}
+			$elems .= $this->elem($elem, $attributes, $data);
+		}
+		return $this->elem('channel', $attrib, $elems . $content, !($content === null));
+	}
+
+/**
+ * Transforms an array of data using an optional callback, and maps it to a set
+ * of `<item />` tags
+ *
+ * @param array $items The list of items to be mapped
+ * @param mixed $callback A string function name, or array containing an object
+ *     and a string method name
+ * @return string A set of RSS `<item />` elements
+ * @access public
+ */
+	function items($items, $callback = null) {
+		if ($callback != null) {
+			$items = array_map($callback, $items);
+		}
+
+		$out = '';
+		$c = count($items);
+
+		for ($i = 0; $i < $c; $i++) {
+			$out .= $this->item(array(), $items[$i]);
+		}
+		return $out;
+	}
+
+/**
+ * Converts an array into an `<item />` element and its contents
+ *
+ * @param array $attrib The attributes of the `<item />` element
+ * @param array $elements The list of elements contained in this `<item />`
+ * @return string An RSS `<item />` element
+ * @access public
+ */
+	function item($att = array(), $elements = array()) {
+		$content = null;
+
+		if (isset($elements['link']) && !isset($elements['guid'])) {
+			$elements['guid'] = $elements['link'];
+		}
+
+		foreach ($elements as $key => $val) {
+			$attrib = array();
+			
+			$escape = true;
+			if (is_array($val) && isset($val['convertEntities'])) {
+				$escape = $val['convertEntities'];
+				unset($val['convertEntities']);
+			}
+			
+			switch ($key) {
+				case 'pubDate' :
+					$val = $this->time($val);
+				break;
+				case 'category' :
+					if (is_array($val) && !empty($val[0])) {
+						foreach ($val as $category) {
+							$attrib = array();
+							if (isset($category['domain'])) {
+								$attrib['domain'] = $category['domain'];
+								unset($category['domain']);
+							}
+							$categories[] = $this->elem($key, $attrib, $category);
+						}
+						$elements[$key] = implode('', $categories);
+						continue 2;
+					} else if (is_array($val) && isset($val['domain'])) {
+						$attrib['domain'] = $val['domain'];
+					}
+				break;
+				case 'link':
+				case 'guid':
+				case 'comments':
+					if (is_array($val) && isset($val['url'])) {
+						$attrib = $val;
+						unset($attrib['url']);
+						$val = $val['url'];
+					}
+					$val = $this->url($val, true);
+				break;
+				case 'source':
+					if (is_array($val) && isset($val['url'])) {
+						$attrib['url'] = $this->url($val['url'], true);
+						$val = $val['title'];
+					} elseif (is_array($val)) {
+						$attrib['url'] = $this->url($val[0], true);
+						$val = $val[1];
+					}
+				break;
+				case 'enclosure':
+					if (is_string($val['url']) && is_file(WWW_ROOT . $val['url']) && file_exists(WWW_ROOT . $val['url'])) {
+						if (!isset($val['length']) && strpos($val['url'], '://') === false) {
+							$val['length'] = sprintf("%u", filesize(WWW_ROOT . $val['url']));
+						}
+						if (!isset($val['type']) && function_exists('mime_content_type')) {
+							$val['type'] = mime_content_type(WWW_ROOT . $val['url']);
+						}
+					}
+					$val['url'] = $this->url($val['url'], true);
+					$attrib = $val;
+					$val = null;
+				break;
+			}
+			if (!is_null($val) && $escape) {
+				$val = h($val);
+			}
+			$elements[$key] = $this->elem($key, $attrib, $val);
+		}
+		if (!empty($elements)) {
+			$content = implode('', $elements);
+		}
+		return $this->elem('item', $att, $content, !($content === null));
+	}
+
+/**
+ * Converts a time in any format to an RSS time
+ *
+ * @param mixed $time
+ * @return string An RSS-formatted timestamp
+ * @see TimeHelper::toRSS
+ */
+	function time($time) {
+		return $this->Time->toRSS($time);
+	}
+}