Viewing file:  bbcode.inc.php (3.74 KB) -rw-rw-rw-
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<?php
function begtoend($htmltag){
return preg_replace('/<([A-Za-z]+)>/','</$1>',$htmltag);
}
function replace_pcre_array($text,$array){
$pattern = array_keys($array);
$replace = array_values($array);
$text = preg_replace($pattern,$replace,$text);
return $text;
}
class bbcode{
var $tags;
var $settings;
function bbcode(){
$this->tags = array();
$this->settings = array('enced'=>true);
}
function get_data($name,$cfa = ''){
if(!array_key_exists($name,$this->tags)) return '';
$data = $this->tags[$name];
if($cfa) $sbc = $cfa; else $sbc = $name;
if(!is_array($data)){
$data = preg_replace('/^ALIAS(.+)$/','$1',$data);
return $this->get_data($data,$sbc);
}else{
$data['Name'] = $sbc;
return $data;
}
}
function change_setting($name,$value){
$this->settings[$name] = $value;
}
function add_alias($name,$aliasof){
if(!array_key_exists($aliasof,$this->tags) or array_key_exists($name,$this->tags)) return false;
$this->tags[$name] = 'ALIAS'.$aliasof;
return true;
}
function onparam($param,$regexarray){
$param = replace_pcre_array($param,$regexarray);
if(!$this->settings['enced']){
$param = htmlentities($param);
}
return $param;
}
function export_definition(){
return serialize($this->tags);
}
function import_definiton($definition,$mode = 'append'){
switch($mode){
case 'append':
$array = unserialize($definition);
$this->tags = $array + $this->tags;
break;
case 'prepend':
$array = unserialize($definition);
$this->tags = $this->tags + $array;
break;
case 'overwrite':
$this->tags = unserialize($definition);
break;
default:
return false;
}
return true;
}
function add_tag($params){
if(!is_array($params)) return 'Paramater array not an array.';
if(!array_key_exists('Name',$params) or empty($params['Name'])) return 'Name parameter is required.';
if(preg_match('/[^A-Za-z]/',$params['Name'])) return 'Name can only contain letters.';
if(!array_key_exists('HasParam',$params)) $params['HasParam'] = false;
if(!array_key_exists('HtmlBegin',$params)) return 'HtmlBegin paremater not specified!';
if(!array_key_exists('HtmlEnd',$params)){
if(preg_match('/^(<[A-Za-z]>)+$/',$params['HtmlBegin'])){
$params['HtmlEnd'] = begtoend($params['HtmlBegin']);
}else{
return 'You didn\'t specify the HtmlEnd parameter, and your HtmlBegin parameter is too complex to change to an HtmlEnd parameter. Please specify HtmlEnd.';
}
}
if(!array_key_exists('ParamRegexReplace',$params)) $params['ParamRegexReplace'] = array();
if(!array_key_exists('ParamRegex',$params)) $params['ParamRegex'] = '[^\\]]+';
if(!array_key_exists('HasEnd',$params)) $params['HasEnd'] = true;
if(array_key_exists($params['Name'],$this->tags)) return 'The name you specified is already in use.';
$this->tags[$params['Name']] = $params;
return '';
}
function parse_bbcode($text){
foreach($this->tags as $tagname => $tagdata){
if(!is_array($tagdata)) $tagdata = $this->get_data($tagname);
$startfind = "/\\[{$tagdata['Name']}";
if($tagdata['HasParam']){
$startfind.= '=('.$tagdata['ParamRegex'].')';
}
$startfind.= '\\]/';
if($tagdata['HasEnd']){
$endfind = "[/{$tagdata['Name']}]";
$starttags = preg_match_all($startfind,$text,$ignore);
$endtags = substr_count($text,$endfind);
if($endtags < $starttags){
$text.= str_repeat($endfind,$starttags - $endtags);
}
$text = str_replace($endfind,$tagdata['HtmlEnd'],$text);
}
$replace = str_replace(array('%%P%%','%%p%%'),'\'.$this->onparam(\'$1\',$tagdata[\'ParamRegexReplace\']).\'','\''.$tagdata['HtmlBegin'].'\'');
$text = preg_replace($startfind.'e',$replace,$text);
}
return $text;
}
}
?>
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