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php-e107/e107_handlers/bbcode_handler.php

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<?php
/*
* e107 website system
*
* Copyright (C) e107 Inc (e107.org)
* Released under the terms and conditions of the
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)
*
* $URL$
* $Id$
*/
/**
*
* @package e107
* @category e107_handlers
* @version $Id$
* @author e107inc
*
* bbcode_handler - processes bbcodes within strings.
*
* Separate processing (via class-based bbcodes) for pre-save and pre-display
*/
if (!defined('e107_INIT')) { exit; }
class e_bbcode
{
var $bbList; // Caches the file contents for each bbcode processed
var $bbLocation; // Location for each file - 'core' or a plugin name
var $preProcess = FALSE; // Set when processing bbcodes prior to saving
var $core_bb = array();
var $class = FALSE;
function __construct()
{
$pref = e107::getPref();
$this->core_bb = array(
'blockquote', 'img', 'i', 'u', 'center',
'_br', 'color', 'size', 'code',
'html', 'flash', 'link', 'email',
'url', 'quote', 'left', 'right',
'b', 'justify', 'file', 'stream',
'textarea', 'list', 'php', 'time',
'spoiler', 'hide', 'youtube', 'sanitised',
'p', 'h', 'nobr', 'block','table','th', 'tr','tbody','td','markdown'
);
foreach($this->core_bb as $c)
{
$this->bbLocation[$c] = 'core';
}
// grab list of plugin bbcodes.
if(isset($pref['bbcode_list']) && $pref['bbcode_list'] != '')
{
foreach($pref['bbcode_list'] as $path=>$namearray)
{
foreach($namearray as $code=>$uclass)
{
$this->bbLocation[$code] = $path;
}
}
}
// Eliminate duplicates
$this->bbLocation = array_diff($this->bbLocation, array(''));
krsort($this->bbLocation);
}
/**
* Parse a string for bbcodes.
* Process using the 'pre-save' or 'display' routines as appropriate
*
* @var string $value - the string to be processed
* @var int $p_ID - ID of a user (the 'post ID') needed by some bbcodes in display mode
* @var string|boolean $force_lower - determines whether bbcode detection is case-insensitive
* TRUE - case-insensitive
* 'default' - case-insensitive
* FALSE - case-sensitive (only lower case bbcodes processed)
* @var string|boolean $bbStrip - determines action when a bbcode is encountered.
* TRUE (boolean or word), all bbcodes are stripped.
* FALSE - normal display processing of all bbcodes
* comma separated (lower case) list - only the listed codes are stripped (and the rest are processed)
* If the first word is 'PRE', sets pre-save mode. Any other parameters follow, comma separated
*
* @return string processed data
*
* Code uses a crude stack-based syntax analyser to handle nested bbcodes (including nested 'size' bbcodes, for example)
*/
function parseBBCodes($value, $p_ID, $force_lower = 'default', $bbStrip = FALSE)
{
global $postID;
$postID = $p_ID;
if (strlen($value) <= 6) return $value; // Don't waste time on trivia!
if ($force_lower == 'default') $force_lower = TRUE; // Set the default behaviour if not overridden
$code_stack = array(); // Stack for unprocessed bbcodes and text
$unmatch_stack = array(); // Stack for unmatched bbcodes
$result = ''; // Accumulates fully processed text
$stacktext = ''; // Accumulates text which might be subject to one or more bbcodes
$nopro = FALSE; // Blocks processing within [code]...[/code] tags
$this->preProcess = FALSE;
$strip_array = array();
if (!is_bool($bbStrip))
{
$strip_array = explode(',',$bbStrip);
if ($strip_array[0] == 'PRE')
{
$this->preProcess = "toDB";
unset($strip_array[0]);
if (count($strip_array) == 0)
{
$bbStrip = FALSE;
}
elseif (in_array('TRUE', $strip_array))
{
$bbStrip = TRUE;
}
}
}
$pattern = '#^\[(/?)([A-Za-z_]+)(\d*)([=:]?)(.*?)]$#i'; // Pattern to split up bbcodes
// $matches[0] - same as the input text
// $matches[1] - '/' for a closing tag. Otherwise empty string
// $matches[2] - the bbcode word
// $matches[3] - any digits immediately following the bbcode word
// $matches[4] - '=' or ':' according to the separator used
// $matches[5] - any parameter
$content = preg_split('#(\[(?:\w|/\w).*?\])#mis', $value, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE );
foreach ($content as $cont)
{ // Each chunk is either a bbcode or a piece of text
$is_proc = FALSE;
while (!$is_proc)
{
$oddtext = '';
if ($cont[0] == '[')
{ // We've got a bbcode - split it up and process it
$match_count = preg_match($pattern,$cont,$matches);
$bbparam = (isset($matches[5])) ? $matches[5] : '';
$bbword = (isset($matches[2])) ? $matches[2] : '';
if($cont[1] != '/')
{
$bbsep = varset($matches[4]);
}
if ($force_lower) $bbword = strtolower($bbword);
if ($nopro && ($bbword == 'code') && ($matches[1] == '/')) $nopro = FALSE; // End of code block
if (($bbword) && ($bbword == trim($bbword)) && !$nopro)
{ // Got a code to process here
if (($bbStrip === TRUE) || in_array($bbword,$strip_array))
{
$is_proc = TRUE; // Just discard this bbcode
}
else
{
if ($matches[1] == '/')
{ // Closing code to process
$found = FALSE;
$i = 0;
while ($i < count($code_stack))
{ // See if code is anywhere on the stack.
if (($code_stack[$i]['type'] == 'bbcode') && ($code_stack[$i]['code'] == $bbword) && ($code_stack[0]['numbers'] == $matches[3]))
{
$found = TRUE;
break;
}
$i++;
}
if ($found)
{
$found = FALSE; // Use as 'done' variable now
// Code is on stack - $i has index number. Process text, discard unmatched open codes, process 'our' code
while ($i > 0) { $unmatch_stack[] = array_shift($code_stack); $i--; } // Get required code to top of stack
// Pull it off using array_shift - this keeps it as a zero-based array, newest first.
while (!$found && (count($code_stack) != 0))
{
switch ($code_stack[0]['type'])
{
case 'text' :
$stacktext = $code_stack[0]['code'].$stacktext; // Need to insert text at front
array_shift($code_stack);
break;
case 'bbcode' :
if (($code_stack[0]['code'] == $bbword) && ($code_stack[0]['numbers'] == $matches[3]))
{
$stacktext = $this->proc_bbcode($bbword, $code_stack[0]['param'], $stacktext, $bbparam, $code_stack[0]['bbsep'], $code_stack[0]['block'].$stacktext.$cont);
array_shift($code_stack);
// Intentionally don't terminate here - may be some text we can clean up
$bbword=''; // Necessary to make sure we don't double process if several instances on stack
while (count($unmatch_stack) != 0) { array_unshift($code_stack,array_pop($unmatch_stack)); }
}
else
{
$found = TRUE; // Terminate on unmatched bbcode
}
break;
}
if (count($code_stack) == 0)
{
$result .= $stacktext;
$stacktext = '';
$found = TRUE;
}
}
$is_proc = TRUE;
}
}
else
{ // Opening code to process
// If its a single code, we can process it now. Otherwise just stack the value
if (array_key_exists('_'.$bbword,$this->bbLocation))
{ // Single code to process
if (count($code_stack) == 0)
{
$result .= $this->proc_bbcode('_'.$bbword,$bbparam,'','','',$cont);
}
else
{
$stacktext .= $this->proc_bbcode('_'.$bbword,$bbparam,'','','',$cont);
}
$is_proc = TRUE;
}
elseif (array_key_exists($bbword,$this->bbLocation))
{
if ($stacktext != '')
{ // Stack the text we've accumulated so far
array_unshift($code_stack,array('type' => 'text','code' => $stacktext));
$stacktext = '';
}
array_unshift($code_stack,array('type' => 'bbcode','code' => $bbword, 'numbers'=> $matches[3], 'param'=>$bbparam, 'bbsep' => $bbsep, 'block' => $cont));
if ($bbword == 'code') $nopro = TRUE;
$is_proc = TRUE;
}
}
}
}
// Next lines could be deleted - but gives better rejection of 'stray' opening brackets
if ((!$is_proc) && (($temp = strrpos($cont,"[")) !== 0))
{
$oddtext = substr($cont,0,$temp);
$cont = substr($cont,$temp);
}
}
if (!$is_proc)
{ // We've got some text between bbcodes (or possibly text in front of a bbcode)
if ($oddtext == '') { $oddtext = $cont; $is_proc = TRUE; }
if (count($code_stack) == 0)
{ // Can just add text to answer
$result .= $oddtext;
}
else
{ // Add to accumulator at this level
$stacktext .= $oddtext;
}
}
}
}
// Basically done - just tidy up now
// If there's still anything on the stack, we need to process it
while (count($code_stack) != 0)
{
switch ($code_stack[0]['type'])
{
case 'text' :
$stacktext = $code_stack[0]['code'].$stacktext; // Need to insert text at front
array_shift($code_stack);
break;
case 'bbcode' :
$stacktext = '['.$code_stack[0]['code'].']'.$stacktext; // To discard unmatched codes, delete this line
array_shift($code_stack); // Just discard any unmatched bbcodes
break;
}
}
$result .= $stacktext;
return $result;
}
/**
* Process a bbcode
*
* @var string $code - textual value of the bbcode (already begins with '_' if a single code)
* @var string $param1 - any text after '=' in the opening code
* @var string $code_text_par - text between the opening and closing codes
* @var string $param2 - any text after '=' for the closing code
* @var char $sep - character separating bbcode name and any parameters
* @var string $full_text - the 'raw' text between, and including, the opening and closing bbcode tags
*/
private function proc_bbcode($code, $param1='', $code_text_par='', $param2='', $sep='', $full_text='')
{
global $tp, $postID, $code_text, $parm;
$parm = $param1;
$code_text = $code_text_par;
if (E107_DEBUG_LEVEL)
{
global $db_debug;
$db_debug->logCode(1, $code, $parm, $postID);
}
if (is_array($this->bbList) && array_key_exists($code, $this->bbList))
{ // Check the bbcode 'cache'
$bbcode = $this->bbList[$code];
}
else
{ // Find the file
if ($this->bbLocation[$code] == 'core')
{
$bbPath = e_CORE.'bbcodes/';
$bbFile = strtolower(str_replace('_', '', $code));
}
else
{ // Add code to check for plugin bbcode addition
$bbPath = e_PLUGIN.$this->bbLocation[$code].'/';
$bbFile = strtolower($code);
}
if (file_exists($bbPath.'bb_'.$bbFile.'.php'))
{ // Its a bbcode class file
require_once($bbPath.'bb_'.$bbFile.'.php');
//echo "Load: {$bbFile}.php<br />";
$className = 'bb_'.$code;
$this->bbList[$code] = new $className();
}
elseif (file_exists($bbPath.$bbFile.'.bb'))
{
$bbcode = file_get_contents($bbPath.$bbFile.'.bb');
$this->bbList[$code] = $bbcode;
}
else
{
$this->bbList[$code] = '';
//echo "<br />File not found: {$bbFile}.php<br />";
return false;
}
}
global $e107_debug;
if (is_object($this->bbList[$code]))
{
if ($this->preProcess == 'toDB')
{
//echo "Preprocess: ".htmlspecialchars($code_text).", params: {$param1}<br />";
return $this->bbList[$code]->bbPreSave($code_text, $param1);
}
if($this->preProcess == 'toWYSIWYG')//XXX FixMe NOT working - messes with default toHTML behavior.
{
// return $this->bbList[$code]->bbWYSIWYG($code_text, $param1);
}
return $this->bbList[$code]->bbPreDisplay($code_text, $param1);
}
if ($this->preProcess == 'toDB') return $full_text; // No change
/**
* @todo - capturing output deprecated
*/
ob_start();
$bbcode_return = eval($bbcode);
$bbcode_output = ob_get_contents();
ob_end_clean();
/* added to remove possibility of nested bbcode exploits ... */
if(strpos($bbcode_return, "[") !== FALSE)
{
$exp_search = array("eval", "expression");
$exp_replace = array("ev<b></b>al", "expres<b></b>sion");
$bbcode_return = str_replace($exp_search, $exp_replace, $bbcode_return);
}
return $bbcode_output.$bbcode_return;
}
/** Grab a list of bbcode content . ie. all [img]xxxx[/img] within a block of text.
* @var string $type - bbcode eg. 'img' or 'youtube'
* @var string $text - text to be processed for bbcode content
* @var string $path - optional path to prepend to output if http or {e_xxxx} is not found.
* @return array
*/
function getContent($type,$text,$path='')
{
if(!in_array($type,$this->core_bb))
{
return;
}
preg_match_all("/\[".$type."(?:[^\]]*)?]([^\[]*)(?:\[\/".$type."])/im",$text,$mtch);
$ret = array();
if(is_array($mtch[1]))
{
$tp = e107::getParser();
foreach($mtch[1] as $i)
{
if(substr($i,0,4)=='http')
{
$ret[] = $i;
}
elseif(substr($i,0,3)=="{e_")
{
$ret[] = $tp->replaceConstants($i,'full');
}
else
{
$ret[] = $path.$i;
}
}
}
return $ret;
}
//Set the class type for a bbcode eg. news | page | user | {plugin-folder}
function setClass($mode=false)
{
$this->class = $mode;
}
// return the Mode used by the class. eg. news | page | user | {plugin-folder}
function getMode()
{
return $this->class;
}
function resizeWidth()
{
$pref = e107::getPref();
if($this->class && vartrue($pref['resize_dimensions'][$this->class.'-bbcode']['w']))
{
return $pref['resize_dimensions'][$this->class.'-bbcode']['w'];
}
return false;
}
function resizeHeight()
{
$pref = e107::getPref();
if($this->class && vartrue($pref['resize_dimensions'][$this->class.'-bbcode']['h']))
{
return $pref['resize_dimensions'][$this->class.'-bbcode']['h'];
}
return false;
}
// return the class for a bbcode
function getClass($type='')
{
$ret = "bbcode-".$type;
if($this->class)
{
$ret .= " bbcode-".$type."-".$this->class;
}
return $ret;
}
function clearClass()
{
$this->setClass();
}
// NEW bbcode button rendering function. replacing displayHelp();
function renderButtons($template, $id='', $options=array())
{
$tp = e107::getParser();
require(e107::coreTemplatePath('bbcode')); //correct way to load a core template.
$pref = e107::getPref('e_bb_list');
if (!empty($pref)) // Load the Plugin bbcode AFTER the templates, so they can modify or replace.
{
foreach($pref as $val)
{
if(is_readable(e_PLUGIN.$val."/e_bb.php"))
{
require(e_PLUGIN.$val."/e_bb.php");
}
}
}
$temp = array();
$temp['news'] = $BBCODE_TEMPLATE_NEWSPOST;
$temp['submitnews'] = $BBCODE_TEMPLATE_SUBMITNEWS;
$temp['extended'] = $BBCODE_TEMPLATE_NEWSPOST;
$temp['admin'] = $BBCODE_TEMPLATE_ADMIN;
$temp['mailout'] = $BBCODE_TEMPLATE_MAILOUT;
$temp['page'] = $BBCODE_TEMPLATE_CPAGE;
$temp['maintenance']= $BBCODE_TEMPLATE_ADMIN;
$temp['comment'] = $BBCODE_TEMPLATE_COMMENT;
$temp['signature'] = $BBCODE_TEMPLATE_SIGNATURE;
if(isset($temp[$template]))
{
$BBCODE_TEMPLATE = $temp[$template];
}
elseif(strpos($template,"{")!==false) // custom template provided manually. eg. $template = "<div class='btn-group inline-text'>{BB=link}{BB=b}{BB=i}{BB=u}{BB=img}{BB=format}</div>"
{
$BBCODE_TEMPLATE = $template;
$template = 'comment';
}
else
{
$BBCODE_TEMPLATE = $BBCODE_TEMPLATE;
}
$bbcode_shortcodes = e107::getScBatch('bbcode');
$data = array(
'tagid' => $id,
'template' => $template,
'trigger' => vartrue($options['trigger']), // For BC
// 'hint_func' => $helpfunc, // deprecated and unused
// 'hint_active' => $bbcode_helpactive, // deprecated and unused
'size' => vartrue($helpsize),
'eplug_bb' => $eplug_bb,
);
$bbcode_shortcodes->setVars($data);
return "<div id='bbcode-panel-".$id."' class='mceToolbar bbcode-panel' {$visible}>".$tp->parseTemplate($BBCODE_TEMPLATE,TRUE, $bbcode_shortcodes)."</div>";
}
function processTag($tag, $html)
{
$html = "<html><body>".$html."</body></html>";
$doc = new DOMDocument();
$doc->loadHTML($html);
$tmp = $doc->getElementsByTagName($tag);
$var = array();
$attributes = array('class','style','width','height','src','alt','href');
$params = array(
'img' => array('style','width','height','alt')
);
// Generate array for $var ($code_text) & $params ($parm);
foreach ($tmp as $tg)
{
$var = array();
$parm = array();
foreach($attributes as $att)
{
$v = (string) $tg->getAttribute($att);
if(trim($v) != '')
{
$var[$att] = $v;
if(in_array($att, $params[$tag]))
{
$parm[$att] = $att."=".str_replace(" ","",$var[$att]);
}
}
}
$inc = ($parm) ? " ".implode("&",$parm) : ""; // the parm - eg. [img $parm]whatever[/img]
switch ($tag)
{
case 'img':
$e_http = str_replace("/",'\/',e_HTTP);
$regex = "/".$e_http."thumb.php\?src=[^>]*({e_MEDIA_IMAGE}[^&]*)(.*)/i";
// echo "REGEX = ".$regex;
$code_text = preg_replace($regex,"$1",$var['src']);
$code_reg = str_replace("/","\/",$code_text);
$search = '/<img([^>]*)'.$code_reg.'([^>]*)>/i'; // Must match the specific line - not just the tag.
$replace = "[img{$inc}]".$code_text."[/img]"; // bbcode replacement.
break;
default:
echo "TAG = ".$tag;
break;
}
$html = preg_replace($search,$replace,$html);
}
return str_replace(array("<html><body>","</body></html>"),"",$html);
}
/**
* Convert HTML to bbcode.
*/
function htmltoBBcode($text)
{
$text = str_replace("<!-- bbcode-html-start -->","[html]",$text);
$text = str_replace("<!-- bbcode-html-end -->","[/html]",$text);
// $text = str_replace('<!-- pagebreak -->',"[newpage=]",$text);
if(substr($text,0,6)=='[html]')
{
return $text;
}
$text = $this->processTag('img', $text);
// Youtube conversion (TinyMce)
// return $text;
// $text = preg_replace('/<img(?:\s*)?(?:class="([^"]*)")?(?:\s*)?(?:style="([^"]*)")?\s?(?:src="thumb.php\?src=([^"]*)&w=([\d]*)?&h=([\d]*)?")(?:\s*)?(?:\s*)?(?:width="([\d]*)")?\s*(?:height="([\d]*)")?(?:\s*)?(?:alt="([^"]*)")? \/>/i',"[img style=width:$4px;height:$5px; alt=$8]$3[/img]",$text );
$text = preg_replace('/<img class="youtube-([\w]*)" style="([^"]*)" src="([^"]*)" alt="([^"]*)" \/>/i',"[youtube=$1]$4[/youtube]",$text);
$text = preg_replace('/<!-- Start YouTube-([\w,]*)-([\w]*) -->([^!]*)<!-- End YouTube -->/i','[youtube=$1]$2[/youtube]',$text);
$text = preg_replace("/<a.*?href=\"(.*?)?request.php\?file=([\d]*)\".*?>(.*?)<\/a>/i","[file=$2]$3[/file]",$text);
$text = preg_replace("/<a.*?href=\"(.*?)\".*?>(.*?)<\/a>/i","[link=$1]$2[/link]",$text);
$text = preg_replace('/<div style="text-align: ([\w]*);">([\s\S]*)<\/div>/i',"[$1]$2[/$1]",$text); // verified
$text = preg_replace('/<div class="bbcode-(?:[\w]*).* style="text-align: ([\w]*);">([\s\S]*)<\/div>/i',"[$1]$2[/$1]",$text); // left / right / center
// $text = preg_replace('/<img(?:\s*)?(?:style="([^"]*)")?\s?(?:src="([^"]*)")(?:\s*)?(?:alt="(\S*)")?(?:\s*)?(?:width="([\d]*)")?\s*(?:height="([\d]*)")?(?:\s*)?\/>/i',"[img style=width:$4px;height:$5px;$1]$2[/img]",$text );
// $text = preg_replace('/<img class="(?:[^"]*)"(?:\s*)?(?:style="([^"]*)")?\s?(?:src="([^"]*)")(?:\s*)?(?:alt="(\S*)")?(?:\s*)?(?:width="([\d]*)")?\s*(?:height="([\d]*)")?(?:\s*)?\/>/i',"[img style=width:$4px;height:$5px;$1]$2[/img]",$text );
// $text = preg_replace('/<span (?:class="bbcode-color" )?style=\"color: ?(.*?);\">(.*?)<\/span>/i',"[color=$1]$2[/color]",$text);
$text = preg_replace('/<span (?:class="bbcode underline bbcode-u)(?:[^>]*)>(.*?)<\/span>/i',"[u]$1[/u]",$text);
// $text = preg_replace('/<table([^"]*)>/i', "[table $1]",$text);
$text = preg_replace('/<table style="([^"]*)"([\w ="]*)?>/i', "[table style=$1]",$text);
$text = preg_replace('/<table([\w :\-_;="]*)?>/i', "[table]",$text);
$text = preg_replace('/<tbody([\w ="]*)?>/i', "[tbody]",$text);
$text = preg_replace('/<code([\w :\-_;="]*)?>/i', "[code]\n",$text);
$text = preg_replace('/<strong([\w :\-_;="]*)?>/i', "[b]",$text);
$text = preg_replace('/<em([\w :\-_;="]*)?>/i', "[i]",$text);
$text = preg_replace('/<li([\w :\-_;="]*)?>/i', "[*]",$text);
$text = preg_replace('/<ul([\w :\-_;="]*)?>/i', "[list]",$text);
$text = preg_replace('/<ol([\w :\-_;="]*)?>/i', "[list=ol]",$text);
$text = preg_replace('/<table([\w :\-_;="]*)?>/i', "[table]",$text);
$text = preg_replace('/<tbody([\w :\-_;="]*)?>/i', "[tbody]",$text);
$text = preg_replace('/<tr([\w :\-_;="]*)?>/i', "[tr]",$text);
$text = preg_replace('/<td([\w :\-_;="]*)?>/i', "\t[td]",$text);
$text = preg_replace('/<blockquote([\w :\-_;="]*)?>/i', "[blockquote]",$text);
$text = preg_replace('/<p([\w :\-_;="]*)?>/i', "",$text); // Causes issues : [p] [/p] everywhere.
// $ehttp = str_replace("/",'\/',e_HTTP);
// $text = preg_replace('/thumb.php\?src='.$ehttp.'([^&]*)([^\[]*)/i', "$1",$text);
// $text = preg_replace('/thumb.php\?src=([^&]*)([^\[]*)/i', "$1",$text);
// Mostly closing tags.
$convert = array(
array( "\n", '<br />'),
// array( "\n", '<p>'),
array( "\n", "</p>\n"),
array( "\n", "</p>"),
array( "[/list]", '</ul>\n'),
array( "[/list]", '</ul>'),
array( "[/list]", '</ol>\n'),
array( "[/list]", '</ol>'),
array( "[h=2]", '<h2 class="bbcode-center" style="text-align: center;">'), // e107 bbcode markup
array( "[h=2]", '<h2>'),
array( "[/h]", '</h2>'),
array( "[h=3]", '<h3 class="bbcode-center" style="text-align: center;">'), // e107 bbcode markup
array( "[h=3]", '<h3>'),
array( "[/h]", '</h3>'),
array( "[/b]", '</strong>'),
array( "[/i]", '</em>'),
array( "[/block]", '</div>'),
array( "[/table]", '</table>'),
array( "[/tbody]", '</tbody>'),
array( "[/code]\n", '</code>'),
array( "[/tr]", '</tr>'),
array( "[/td]", '</td>'),
array( "[/blockquote]",'</blockquote>'),
array( "]", ' style=]')
);
foreach($convert as $arr)
{
$repl[] = $arr[0];
$srch[] = $arr[1];
}
$paths = array(
e107::getFolder('images'),
e107::getFolder('plugins'),
// e107::getFolder('media_images'),
e107::getFolder('media_files'),
e107::getFolder('media_videos')
);
$tp = e107::getParser();
foreach($paths as $k=>$path)
{
$srch[] = $path;
$repl[] = $tp->createConstants($path);
}
$blank = array('</li>','width:px;height:px;');
$text = str_replace($blank,"",$text); // Cleanup
return str_replace($srch,$repl,$text);
}
} // end Class
/**
* Base class for bbcode handlers
*
* Contains core routines for entry, security, logging....
*
* @todo add security
*/
class e_bb_base
{
/**
* Constructor
*/
public function __construct()
{
}
/**
* Called prior to save of user-entered text
*
* Allows initial parsing of bbcode, including the possibility of removing or transforming the enclosed text (as is done by the youtube processing)
* Parameters passed by reference to minimise memory use
*
* @param string $code_text - text between the bbcode tags
* @param string $parm - any parameters specified for the bbcode
*
* @return string for insertion into DB. (If a bbcode is to be inserted, the bbcode 'tags' must be included in the return string.)
*/
final public function bbPreSave(&$code_text, &$parm)
{
// Could add logging, security in here
return $this->toDB($code_text, $parm);
}
/**
* Process bbcode prior to display
* Functionally this routine does exactly the same as the existing bbcodes
* Parameters passed by reference to minimise memory use
*
* @param string $code_text - text between the bbcode tags
* @param string $parm - any parameters specified for the bbcode
*
* @return string with $code_text transformed into displayable XHTML as necessary
*/
final public function bbPreDisplay(&$code_text, &$parm)
{
// Could add logging, security in here
return $this->toHTML($code_text, $parm);
}
/**
* Process bbcode prior to display in WYSIWYG
* Functionally this routine does exactly the same as the existing bbcodes
* Parameters passed by reference to minimise memory use
*
* @param string $code_text - text between the bbcode tags
* @param string $parm - any parameters specified for the bbcode
*
* @return string with $code_text transformed into displayable XHTML as necessary
*/
final public function bbWYSIWYG(&$code_text, &$parm)
{
// Could add logging, security in here
return $this->toWYSIWYG($code_text, $parm);
}
}
?>
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