1 | <?php
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2 |
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3 | class bbcode{
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4 | var $tags;
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5 | var $settings;
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6 | function bbcode(){
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7 | $this->tags = array();
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8 | $this->settings = array('enced'=>true);
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9 | }
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10 | function get_data($name,$cfa = ''){
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11 | if(!array_key_exists($name,$this->tags)) return '';
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12 | $data = $this->tags[$name];
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13 | if($cfa) $sbc = $cfa; else $sbc = $name;
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14 | if(!is_array($data)){
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15 | $data = preg_replace('/^ALIAS(.+)$/','$1',$data);
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16 | return $this->get_data($data,$sbc);
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17 | }else{
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18 | $data['Name'] = $sbc;
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19 | return $data;
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20 | }
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21 | }
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22 | function change_setting($name,$value){
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23 | $this->settings[$name] = $value;
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24 | }
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25 | function add_alias($name,$aliasof){
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26 | if(!array_key_exists($aliasof,$this->tags) or array_key_exists($name,$this->tags)) return false;
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27 | $this->tags[$name] = 'ALIAS'.$aliasof;
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28 | return true;
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29 | }
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30 | function onparam($param,$regexarray){
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31 | $param = replace_pcre_array($param,$regexarray);
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32 | if(!$this->settings['enced']){
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33 | $param = htmlentities($param);
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34 | }
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35 | return $param;
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36 | }
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37 | function export_definition(){
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38 | return serialize($this->tags);
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39 | }
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40 | function import_definiton($definition,$mode = 'append'){
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41 | switch($mode){
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42 | case 'append':
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43 | $array = unserialize($definition);
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44 | $this->tags = $array + $this->tags;
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45 | break;
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46 | case 'prepend':
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47 | $array = unserialize($definition);
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48 | $this->tags = $this->tags + $array;
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49 | break;
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50 | case 'overwrite':
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51 | $this->tags = unserialize($definition);
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52 | break;
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53 | default:
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54 | return false;
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55 | }
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56 | return true;
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57 | }
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58 | function add_tag($params){
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59 | if(!is_array($params)) return 'Paramater array not an array.';
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60 | if(!array_key_exists('Name',$params) or empty($params['Name'])) return 'Name parameter is required.';
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61 | if(preg_match('/[^A-Za-z]/',$params['Name'])) return 'Name can only contain letters.';
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62 | if(!array_key_exists('HasParam',$params)) $params['HasParam'] = false;
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63 | if(!array_key_exists('HtmlBegin',$params)) return 'HtmlBegin paremater not specified!';
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64 | if(!array_key_exists('HtmlEnd',$params)){
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65 | if(preg_match('/^(<[A-Za-z]>)+$/',$params['HtmlBegin'])){
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66 | $params['HtmlEnd'] = begtoend($params['HtmlBegin']);
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67 | }else{
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68 | return 'You didn\'t specify the HtmlEnd parameter, and your HtmlBegin parameter is too complex to change to an HtmlEnd parameter. Please specify HtmlEnd.';
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69 | }
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70 | }
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71 | if(!array_key_exists('ParamRegexReplace',$params)) $params['ParamRegexReplace'] = array();
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72 | if(!array_key_exists('ParamRegex',$params)) $params['ParamRegex'] = '[^\\]]+';
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73 | if(!array_key_exists('HasEnd',$params)) $params['HasEnd'] = true;
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74 | if(array_key_exists($params['Name'],$this->tags)) return 'The name you specified is already in use.';
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75 | $this->tags[$params['Name']] = $params;
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76 | return '';
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77 | }
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78 | function parse_bbcode($text){
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79 | foreach($this->tags as $tagname => $tagdata){
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80 | if(!is_array($tagdata)) $tagdata = $this->get_data($tagname);
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81 | $startfind = "/\\[{$tagdata['Name']}";
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82 | if($tagdata['HasParam']){
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83 | $startfind.= '=('.$tagdata['ParamRegex'].')';
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84 | }
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85 | $startfind.= '\\]/';
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86 | if($tagdata['HasEnd']){
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87 | $endfind = "[/{$tagdata['Name']}]";
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88 | $starttags = preg_match_all($startfind,$text,$ignore);
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89 | $endtags = substr_count($text,$endfind);
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90 | if($endtags < $starttags){
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91 | $text.= str_repeat($endfind,$starttags - $endtags);
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92 | }
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93 | $text = str_replace($endfind,$tagdata['HtmlEnd'],$text);
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94 | }
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95 | $replace = str_replace(array('%%P%%','%%p%%'),'\'.$this->onparam(\'$1\',$tagdata[\'ParamRegexReplace\']).\'','\''.$tagdata['HtmlBegin'].'\'');
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96 | $text = preg_replace($startfind.'e',$replace,$text);
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97 | }
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98 | return $text;
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99 | }
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100 | }
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101 | ?>
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