mirror of
https://github.com/phpbb/phpbb.git
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e039ffafc6
Images that are replace with a link according to user's preferences now use the corresponding [url] template. Some regular expressions have been made a little more restrictive. git-svn-id: file:///svn/phpbb/trunk@4043 89ea8834-ac86-4346-8a33-228a782c2dd0
398 lines
11 KiB
PHP
398 lines
11 KiB
PHP
<?php
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/***************************************************************************
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* bbcode.php
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* -------------------
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* begin : Saturday, Feb 13, 2001
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* copyright : (C) 2001 The phpBB Group
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* email : support@phpbb.com
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*
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* $Id$
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*
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***************************************************************************/
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/***************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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***************************************************************************/
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class bbcode
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{
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var $bbcode_uid = '';
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var $bbcode_bitfield = 0;
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var $bbcode_cache = array();
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var $bbcode_tpl = array();
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function bbcode($bitfield = 0)
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{
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if ($bitfield)
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{
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$this->bbcode_bitfield = $bitfield;
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$this->bbcode_cache_init();
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}
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}
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function bbcode_second_pass(&$message, $bbcode_uid = '', $bbcode_bitfield = '')
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{
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if ($bbcode_uid)
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{
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$this->bbcode_uid = $bbcode_uid;
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}
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if ($bbcode_bitfield)
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{
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$this->bbcode_bitfield = $bbcode_bitfield;
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}
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elseif (!$this->bbcode_bitfield)
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{
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return $message;
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}
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if (empty($this->bbcode_cache))
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{
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$this->bbcode_cache_init();
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}
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$str = array('search' => array(), 'replace' => array());
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$preg = array('search' => array(), 'replace' => array());
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$bitlen = strlen(decbin($this->bbcode_bitfield));
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for ($bbcode_id = 0; $bbcode_id < $bitlen; ++$bbcode_id)
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{
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if ($this->bbcode_bitfield & pow(2, $bbcode_id))
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{
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foreach ($this->bbcode_cache[$bbcode_id] as $type => $array)
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{
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foreach ($array as $search => $replace)
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{
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${$type}['search'][] = str_replace('$uid', $this->bbcode_uid, $search);
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${$type}['replace'][] = $replace;
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}
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}
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}
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}
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if (count($str['search']))
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{
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$message = str_replace($str['search'], $str['replace'], $message);
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}
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if (count($preg['search']))
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{
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$message = preg_replace($preg['search'], $preg['replace'], $message);
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}
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return $message;
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}
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//
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// bbcode_cache_init()
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//
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// requires: $this->bbcode_bitfield
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// sets: $this->bbcode_cache with bbcode templates needed for bbcode_bitfield
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//
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function bbcode_cache_init()
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{
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global $user;
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$sql = '';
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$bbcode_ids = array();
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$bitlen = strlen(decbin($this->bbcode_bitfield));
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for ($bbcode_id = 0; $bbcode_id < $bitlen; ++$bbcode_id)
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{
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if (isset($this->bbcode_cache[$bbcode_id]) || !($this->bbcode_bitfield & pow(2, $bbcode_id)))
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{
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continue;
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}
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$bbcode_ids[$bbcode_id] = $bbcode_id;
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// WARNING: hardcoded values. it assumes that bbcodes with bbcode_id > 11 are user-defined bbcodes
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if ($bbcode_id > 11)
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{
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$sql .= (($sql) ? ',' : '') . $bbcode_id . ',';
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}
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}
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/*
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if ($sql)
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{
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global $db;
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$rowset = array();
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$sql = 'SELECT bbcode_id, second_pass_regexp, second_pass_replacement
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FROM ' . BBCODES_TABLE . "
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WHERE bbcode_id IN ($sql);
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$rowset[$row['bbcode_id']] = $row;
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}
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$db->sql_freeresult($result);
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}
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*/
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foreach ($bbcode_ids as $bbcode_id)
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{
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switch ($bbcode_id)
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{
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case 0:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[quote:$uid]' => $this->bbcode_tpl('quote_open', $bbcode_id),
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'[/quote:$uid]' => $this->bbcode_tpl('quote_close', $bbcode_id)
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),
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'preg' => array(
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'#\[quote="(.*?)":$uid\]#' => $this->bbcode_tpl('quote_username_open', $bbcode_id)
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)
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);
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break;
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case 1:
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$this->bbcode_cache[$bbcode_id] = array('str' => array(
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'[b:$uid]' => $this->bbcode_tpl('b_open', $bbcode_id),
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'[/b:$uid]' => $this->bbcode_tpl('b_close', $bbcode_id)
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));
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break;
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case 2:
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$this->bbcode_cache[$bbcode_id] = array('str' => array(
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'[i:$uid]' => $this->bbcode_tpl('i_open', $bbcode_id),
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'[/i:$uid]' => $this->bbcode_tpl('i_close', $bbcode_id)
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));
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break;
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case 3:
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[url:$uid\]((.*?))\[/url:$uid\]#s' => $this->bbcode_tpl('url', $bbcode_id),
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'#\[url=([^\[]+?):$uid\](.*?)\[/url:$uid\]#s' => $this->bbcode_tpl('url', $bbcode_id)
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));
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break;
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case 4:
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if ($user->data['user_viewimg'])
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{
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[img:$uid\](.*?)\[/img:$uid\]#s' => $this->bbcode_tpl('img', $bbcode_id)
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));
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[img:$uid\](.*?)\[/img:$uid\]#s' => str_replace('\\2', '[ img ]', $this->bbcode_tpl('url', $bbcode_id))
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));
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}
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break;
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case 5:
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[size=([\-\+]?[1-2]?[0-9]):$uid\](.*?)\[/size:$uid\]#s' => $this->bbcode_tpl('size', $bbcode_id)
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));
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break;
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case 6:
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'!\[color=(#[0-9A-F]{6}|[a-z\-]+):$uid\](.*?)\[/color:$uid\]!s' => $this->bbcode_tpl('color', $bbcode_id)
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));
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break;
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case 7:
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$this->bbcode_cache[$bbcode_id] = array('str' => array(
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'[u:$uid]' => $this->bbcode_tpl('u_open', $bbcode_id),
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'[/u:$uid]' => $this->bbcode_tpl('u_close', $bbcode_id)
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));
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break;
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case 8:
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[code(?:=([a-z]+))?:$uid\](.*?)\[/code:$uid\]#ise' => "\$this->bbcode_second_pass_code('\\1', '\\2')"
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));
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break;
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case 9:
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$this->bbcode_cache[$bbcode_id] = array(
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'str' => array(
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'[list:$uid]' => $this->bbcode_tpl('ulist_open', $bbcode_id),
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'[/list:u:$uid]' => $this->bbcode_tpl('ulist_close', $bbcode_id),
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'[/list:o:$uid]' => $this->bbcode_tpl('olist_close', $bbcode_id),
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'[*:$uid]' => $this->bbcode_tpl('listitem', $bbcode_id),
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'[/*:$uid]' => $this->bbcode_tpl('listitem_close', $bbcode_id),
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'[/*:m:$uid]' => $this->bbcode_tpl('listitem_close', $bbcode_id)
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),
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'preg' => array(
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'#\[list=([^\[]+):$uid\]#e' => "\$this->bbcode_ordered_list('\\1')",
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)
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);
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break;
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case 10:
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[email:$uid\]((.*?))\[/email:$uid\]#is' => $this->bbcode_tpl('email', $bbcode_id),
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'#\[email=([^\[]+):$uid\](.*?)\[/email:$uid\]#is' => $this->bbcode_tpl('email', $bbcode_id)
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));
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break;
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case 11:
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if ($user->data['user_viewflash'])
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{
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[flash:$uid\](.*?)\[/flash:$uid\]#' => $this->bbcode_tpl('flash', $bbcode_id)
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));
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = array('preg' => array(
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'#\[flash:$uid\](.*?)\[/flash:$uid\]#' => str_replace('\\2', '[ flash ]', $this->bbcode_tpl('url', $bbcode_id))
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));
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}
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break;
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default:
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if (isset($rowset[$bbcode_id]))
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{
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$this->bbcode_cache[$bbcode_id] = array(
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'preg' => array($rowset[$bbcode_id]['second_pass_regexp'], $rowset[$bbcode_id]['second_pass_replacement'])
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);
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}
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else
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{
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$this->bbcode_cache[$bbcode_id] = array();
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}
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}
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}
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}
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function bbcode_tpl($tpl_name, $bbcode_id = 0)
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{
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static $bbcode_hardtpl = array(
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'b_open' => '<span style="font-weight: bold">',
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'b_close' => '</span>',
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'i_open' => '<span style="font-style: italic">',
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'i_close' => '</span>',
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'u_open' => '<span style="text-decoration: underline">',
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'u_close' => '</span>',
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'url' => '<a href="\1" target="_blank">\2</a>',
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'img' => '<img src="\1" border="0" />',
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'size' => '<span style="font-size: \1px; line-height: normal">\2</span>',
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'color' => '<span style="color: \1">\2</span>',
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'olist_open' => '<ol style="list-style-type:{LIST_TYPE}">',
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'olist_close' => '</ol',
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'ulist_open' => '<ul>',
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'ulist_close' => '</ul>',
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'listitem' => '<li>',
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'listitem_close'=> '</li>',
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'email' => '<a href="mailto:\1">\2</a>'
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);
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global $template, $user;
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// DEBUG - nothing but [quote] and [list] is templated.
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// Note that [quote] and [code] templates MUST be defined, there is no hardcoded equivalent
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$user->theme['bbcode_bitfield'] = bindec('100000001');
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if ($bbcode_id && !($user->theme['bbcode_bitfield'] & pow(2, $bbcode_id)))
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{
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return $bbcode_hardtpl[$tpl_name];
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}
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if (empty($this->bbcode_tpl))
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{
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$tpl_filename = $template->make_filename('bbcode.html');
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if (!$fp = @fopen($tpl_filename, 'rb'))
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{
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trigger_error('Could not load bbcode template');
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}
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$tpl = fread($fp, filesize($tpl_filename));
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@fclose($fp);
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// replace \ with \\ and then ' with \'.
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$tpl = str_replace('\\', '\\\\', $tpl);
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$tpl = str_replace("'", "\'", $tpl);
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// strip newlines and indent
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$tpl = preg_replace("/\n[\n\r\s\t]*/", '', $tpl);
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// Turn template blocks into PHP assignment statements for the values of $bbcode_tpl..
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$tpl = preg_replace('#<!-- BEGIN (.*?) -->(.*?)<!-- END (.*?) -->#', "\n" . "\$this->bbcode_tpl['\\1'] = \$this->bbcode_tpl_replace('\\1','\\2');", $tpl);
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$this->bbcode_tpl = array();
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eval($tpl);
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}
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return $this->bbcode_tpl[$tpl_name];
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}
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function bbcode_tpl_replace($tpl_name, $tpl)
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{
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static $replacements = array(
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'olist_open' => array('{LIST_TYPE}' => '\\1'),
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'quote_username_open' => array('{USERNAME}' => '\\1'),
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'color' => array('{COLOR}' => '\\1', 'TEXT' => '\\2'),
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'size' => array('{SIZE}' => '\\1', 'TEXT' => '\\2'),
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'img' => array('{URL}' => '\\1'),
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'flash' => array('{URL}' => '\\1'),
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'url' => array('{URL}' => '\\1', '{DESCRIPTION}' => '\\2'),
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'email' => array('{EMAIL}' => '\\1', '{DESCRIPTION}' => '\\2')
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);
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$tpl = preg_replace('/{L_([A-Z_]+)}/e', "(!empty(\$user->lang['\\1'])) ? \$user->lang['\\1'] : ucwords(strtolower('\\1'))", $tpl);
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if (!empty($replacements[$tpl_name]))
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{
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$tpl = strtr($tpl, $replacements[$tpl_name]);
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}
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return trim($tpl);
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}
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function bbcode_ordered_list($type)
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{
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if ($type == 'i')
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{
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$type = 'lower-roman';
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$start = 1;
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}
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elseif ($type == 'I')
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{
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$type = 'upper-roman';
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$start = 1;
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}
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elseif (preg_match('#^(disc|circle|square)$#i', $type))
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{
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$type = strtolower($type);
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$start = 1;
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}
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elseif (preg_match('#^[a-z]$#', $type))
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{
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$type = 'lower-alpha';
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$start = ord($type) - 96;
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}
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elseif (preg_match('#[A-Z]#', $type))
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{
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$type = 'upper-alpha';
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$start = ord($type) - 64;
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}
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elseif (is_numeric($type))
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{
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$type = 'arabic-numbers';
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$start = intval($chr);
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}
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else
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{
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$type = 'arabic-numbers';
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$start = 1;
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}
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return str_replace('{LIST_TYPE}', $type, $this->bbcode_tpl('list_open'));
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}
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function bbcode_second_pass_code($type, $code)
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{
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$code = stripslashes($code);
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switch ($type)
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{
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case 'php':
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default:
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$code = str_replace("\t", ' ', $code);
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$code = str_replace(' ', ' ', $code);
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$code = str_replace(' ', ' ', $code);
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}
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$code = $this->bbcode_tpl('code_open') . $code . $this->bbcode_tpl('code_close');
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return $code;
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}
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}
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?>
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