-<?php

-/**

-*

-* @package phpBB3

-* @copyright (c) 2013 phpBB Group

-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2

-*

-*/

-

-/**

-* @ignore

-*/

-if (!defined('IN_PHPBB'))

-{

- exit;

-}

-

-/**

-* Class with some helpful functions used in feeds

-* @package phpBB3

-*/

-class phpbb_feed_helper

-{

- /** @var phpbb_config */

- protected $config;

-

- /** @var phpbb_user */

- protected $user;

-

- /** @var string */

- protected $phpbb_root_path;

-

- /**

- * Constructor

- *

- * @param phpbb_config $config Config object

- * @param phpbb_user $user User object

- * @param string $phpbb_root_path Root path

- * @return null

- */

- public function __construct(phpbb_config $config, phpbb_user $user, $phpbb_root_path)

- {

- $this->config = $config;

- $this->user = $user;

- $this->phpbb_root_path = $phpbb_root_path;

- }

-

- /**

- * Run links through append_sid(), prepend generate_board_url() and remove session id

- */

- public function get_board_url()

- {

- static $board_url;

-

- if (empty($board_url))

- {

- $board_url = generate_board_url();

- }

-

- return $board_url;

- }

-

- /**

- * Run links through append_sid(), prepend generate_board_url() and remove session id

- */

- public function append_sid($url, $params)

- {

- return append_sid($this->get_board_url() . '/' . $url, $params, true, '');

- }

-

- /**

- * Generate ISO 8601 date string (RFC 3339)

- */

- public function format_date($time)

- {

- static $zone_offset;

- static $offset_string;

-

- if (empty($offset_string))

- {

- $zone_offset = $this->user->create_datetime()->getOffset();

- $offset_string = phpbb_format_timezone_offset($zone_offset);

- }

-

- return gmdate("Y-m-d\TH:i:s", $time + $zone_offset) . $offset_string;

- }

-

- /**

- * Generate text content

- */

- public function generate_content($content, $uid, $bitfield, $options)

- {

- if (empty($content))

- {

- return '';

- }

-

- // Prepare some bbcodes for better parsing

- $content = preg_replace("#\[quote(=&quot;.*?&quot;)?:$uid\]\s*(.*?)\s*\[/quote:$uid\]#si", "[quote$1:$uid]<br />$2<br />[/quote:$uid]", $content);

-

- $content = generate_text_for_display($content, $uid, $bitfield, $options);

-

- // Add newlines

- $content = str_replace('<br />', '<br />' . "\n", $content);

-

- // Convert smiley Relative paths to Absolute path, Windows style

- $content = str_replace($this->phpbb_root_path . $this->config['smilies_path'], $this->get_board_url() . '/' . $this->config['smilies_path'], $content);

-

- // Remove "Select all" link and mouse events

- $content = str_replace('<a href="#" onclick="selectCode(this); return false;">' . $this->user->lang['SELECT_ALL_CODE'] . '</a>', '', $content);

- $content = preg_replace('#(onkeypress|onclick)="(.*?)"#si', '', $content);

-

- // Firefox does not support CSS for feeds, though

-

- // Remove font sizes

- // $content = preg_replace('#<span style="font-size: [0-9]+%; line-height: [0-9]+%;">([^>]+)</span>#iU', '\1', $content);

-

- // Make text strong :P

- // $content = preg_replace('#<span style="font-weight: bold?">(.*?)</span>#iU', '<strong>\1</strong>', $content);

-

- // Italic

- // $content = preg_replace('#<span style="font-style: italic?">([^<]+)</span>#iU', '<em>\1</em>', $content);

-

- // Underline

- // $content = preg_replace('#<span style="text-decoration: underline?">([^<]+)</span>#iU', '<u>\1</u>', $content);

-

- // Remove embed Windows Media Streams

- $content = preg_replace( '#<\!--\[if \!IE\]>-->([^[]+)<\!--<!\[endif\]-->#si', '', $content);

-

- // Do not use &lt; and &gt;, because we want to retain code contained in [code][/code]

-

- // Remove embed and objects

- $content = preg_replace( '#<(object|embed)(.*?) (value|src)=(.*?) ([^[]+)(object|embed)>#si',' <a href=$4 target="_blank"><strong>$1</strong></a> ',$content);

-

- // Remove some specials html tag, because somewhere there are a mod to allow html tags ;)

- $content = preg_replace( '#<(script|iframe)([^[]+)\1>#siU', ' <strong>$1</strong> ', $content);

-

- // Remove Comments from inline attachments [ia]

- $content = preg_replace('#<div class="(inline-attachment|attachtitle)">(.*?)<!-- ia(.*?) -->(.*?)<!-- ia(.*?) -->(.*?)</div>#si','$4',$content);

-

- // Replace some entities with their unicode counterpart

- $entities = array(

- '&nbsp;' => "\xC2\xA0",

- '&bull;' => "\xE2\x80\xA2",

- '&middot;' => "\xC2\xB7",

- '&copy;' => "\xC2\xA9",

- );

-

- $content = str_replace(array_keys($entities), array_values($entities), $content);

-

- // Remove CDATA blocks. ;)

- $content = preg_replace('#\<\!\[CDATA\[(.*?)\]\]\>#s', '', $content);

-

- // Other control characters

- $content = preg_replace('#(?:[\x00-\x1F\x7F]+|(?:\xC2[\x80-\x9F])+)#', '', $content);

-

- return $content;

- }

-}