Overview

---

  1: <?php
  2: 
  3: /*
  4: htmLawed 1.1.22, 5 March 2016
  5: OOP code, 27 February 2016
  6: Copyright Santosh Patnaik
  7: Dual LGPL v3 and GPL v2+ license
  8: A PHP Labware internal utility; www.bioinformatics.org/phplabware/internal_utilities/htmLawed
  9: 
 10: See htmLawed_README.txt/htm
 11: */
 12: 
 13: namespace DataTables\Vendor;
 14: 
 15: class htmLawed{
 16: // begin class
 17: public static function hl($t, $C=1, $S=array()){
 18: $C = is_array($C) ? $C : array();
 19: if(!empty($C['valid_xhtml'])){
 20:  $C['elements'] = empty($C['elements']) ? '*-center-dir-font-isindex-menu-s-strike-u' : $C['elements'];
 21:  $C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 2;
 22:  $C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 2;
 23: }
 24: // config eles
 25: $e = array('a'=>1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'applet'=>1, 'area'=>1, 'b'=>1, 'bdo'=>1, 'big'=>1, 'blockquote'=>1, 'br'=>1, 'button'=>1, 'caption'=>1, 'center'=>1, 'cite'=>1, 'code'=>1, 'col'=>1, 'colgroup'=>1, 'dd'=>1, 'del'=>1, 'dfn'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'dt'=>1, 'em'=>1, 'embed'=>1, 'fieldset'=>1, 'font'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'isindex'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'map'=>1, 'menu'=>1, 'noscript'=>1, 'object'=>1, 'ol'=>1, 'optgroup'=>1, 'option'=>1, 'p'=>1, 'param'=>1, 'pre'=>1, 'q'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'sup'=>1, 'table'=>1, 'tbody'=>1, 'td'=>1, 'textarea'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'tt'=>1, 'u'=>1, 'ul'=>1, 'var'=>1); // 86/deprecated+embed+ruby
 26: if(!empty($C['safe'])){
 27:  unset($e['applet'], $e['embed'], $e['iframe'], $e['object'], $e['script']);
 28: }
 29: $x = !empty($C['elements']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['elements']) : '*';
 30: if($x == '-*'){$e = array();}
 31: elseif(strpos($x, '*') === false){$e = array_flip(explode(',', $x));}
 32: else{
 33:  if(isset($x[1])){
 34:   preg_match_all('`(?:^|-|\+)[^\-+]+?(?=-|\+|$)`', $x, $m, PREG_SET_ORDER);
 35:   for($i=count($m); --$i>=0;){$m[$i] = $m[$i][0];}
 36:   foreach($m as $v){
 37:    if($v[0] == '+'){$e[substr($v, 1)] = 1;}
 38:    if($v[0] == '-' && isset($e[($v = substr($v, 1))]) && !in_array('+'. $v, $m)){unset($e[$v]);}
 39:   }
 40:  }
 41: }
 42: $C['elements'] =& $e;
 43: // config attrs
 44: $x = !empty($C['deny_attribute']) ? str_replace(array("\n", "\r", "\t", ' '), '', $C['deny_attribute']) : '';
 45: $x = array_flip((isset($x[0]) && $x[0] == '*') ? explode('-', $x) : explode(',', $x. (!empty($C['safe']) ? ',on*' : '')));
 46: if(isset($x['on*'])){
 47:  unset($x['on*']);
 48:  $x += array('onblur'=>1, 'onchange'=>1, 'onclick'=>1, 'ondblclick'=>1, 'onfocus'=>1, 'onkeydown'=>1, 'onkeypress'=>1, 'onkeyup'=>1, 'onmousedown'=>1, 'onmousemove'=>1, 'onmouseout'=>1, 'onmouseover'=>1, 'onmouseup'=>1, 'onreset'=>1, 'onselect'=>1, 'onsubmit'=>1);
 49: }
 50: $C['deny_attribute'] = $x;
 51: // config URL
 52: $x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, telnet; *:file, http, https';
 53: $C['schemes'] = array();
 54: foreach(explode(';', str_replace(array(' ', "\t", "\r", "\n"), '', $x)) as $v){
 55:  $x = $x2 = null; list($x, $x2) = explode(':', $v, 2);
 56:  if($x2){$C['schemes'][$x] = array_flip(explode(',', $x2));}
 57: }
 58: if(!isset($C['schemes']['*'])){$C['schemes']['*'] = array('file'=>1, 'http'=>1, 'https'=>1,);}
 59: if(!empty($C['safe']) && empty($C['schemes']['style'])){$C['schemes']['style'] = array('!'=>1);}
 60: $C['abs_url'] = isset($C['abs_url']) ? $C['abs_url'] : 0;
 61: if(!isset($C['base_url']) or !preg_match('`^[a-zA-Z\d.+\-]+://[^/]+/(.+?/)?$`', $C['base_url'])){
 62:  $C['base_url'] = $C['abs_url'] = 0;
 63: }
 64: // config rest
 65: $C['and_mark'] = empty($C['and_mark']) ? 0 : 1;
 66: $C['anti_link_spam'] = (isset($C['anti_link_spam']) && is_array($C['anti_link_spam']) && count($C['anti_link_spam']) == 2 && (empty($C['anti_link_spam'][0]) or \DataTables\Vendor\htmLawed::hl_regex($C['anti_link_spam'][0])) && (empty($C['anti_link_spam'][1]) or \DataTables\Vendor\htmLawed::hl_regex($C['anti_link_spam'][1]))) ? $C['anti_link_spam'] : 0;
 67: $C['anti_mail_spam'] = isset($C['anti_mail_spam']) ? $C['anti_mail_spam'] : 0;
 68: $C['balance'] = isset($C['balance']) ? (bool)$C['balance'] : 1;
 69: $C['cdata'] = isset($C['cdata']) ? $C['cdata'] : (empty($C['safe']) ? 3 : 0);
 70: $C['clean_ms_char'] = empty($C['clean_ms_char']) ? 0 : $C['clean_ms_char'];
 71: $C['comment'] = isset($C['comment']) ? $C['comment'] : (empty($C['safe']) ? 3 : 0);
 72: $C['css_expression'] = empty($C['css_expression']) ? 0 : 1;
 73: $C['direct_list_nest'] = empty($C['direct_list_nest']) ? 0 : 1;
 74: $C['hexdec_entity'] = isset($C['hexdec_entity']) ? $C['hexdec_entity'] : 1;
 75: $C['hook'] = (!empty($C['hook']) && function_exists($C['hook'])) ? $C['hook'] : 0;
 76: $C['hook_tag'] = (!empty($C['hook_tag']) && function_exists($C['hook_tag'])) ? $C['hook_tag'] : 0;
 77: $C['keep_bad'] = isset($C['keep_bad']) ? $C['keep_bad'] : 6;
 78: $C['lc_std_val'] = isset($C['lc_std_val']) ? (bool)$C['lc_std_val'] : 1;
 79: $C['make_tag_strict'] = isset($C['make_tag_strict']) ? $C['make_tag_strict'] : 1;
 80: $C['named_entity'] = isset($C['named_entity']) ? (bool)$C['named_entity'] : 1;
 81: $C['no_deprecated_attr'] = isset($C['no_deprecated_attr']) ? $C['no_deprecated_attr'] : 1;
 82: $C['parent'] = isset($C['parent'][0]) ? strtolower($C['parent']) : 'body';
 83: $C['show_setting'] = !empty($C['show_setting']) ? $C['show_setting'] : 0;
 84: $C['style_pass'] = empty($C['style_pass']) ? 0 : 1;
 85: $C['tidy'] = empty($C['tidy']) ? 0 : $C['tidy'];
 86: $C['unique_ids'] = isset($C['unique_ids']) ? $C['unique_ids'] : 1;
 87: $C['xml:lang'] = isset($C['xml:lang']) ? $C['xml:lang'] : 0;
 88: 
 89: if(isset($GLOBALS['C'])){$reC = $GLOBALS['C'];}
 90: $GLOBALS['C'] = $C;
 91: $S = is_array($S) ? $S : \DataTables\Vendor\htmLawed::hl_spec($S);
 92: if(isset($GLOBALS['S'])){$reS = $GLOBALS['S'];}
 93: $GLOBALS['S'] = $S;
 94: 
 95: $t = preg_replace('`[\x00-\x08\x0b-\x0c\x0e-\x1f]`', '', $t);
 96: if($C['clean_ms_char']){
 97:  $x = array("\x7f"=>'', "\x80"=>'&#8364;', "\x81"=>'', "\x83"=>'&#402;', "\x85"=>'&#8230;', "\x86"=>'&#8224;', "\x87"=>'&#8225;', "\x88"=>'&#710;', "\x89"=>'&#8240;', "\x8a"=>'&#352;', "\x8b"=>'&#8249;', "\x8c"=>'&#338;', "\x8d"=>'', "\x8e"=>'&#381;', "\x8f"=>'', "\x90"=>'', "\x95"=>'&#8226;', "\x96"=>'&#8211;', "\x97"=>'&#8212;', "\x98"=>'&#732;', "\x99"=>'&#8482;', "\x9a"=>'&#353;', "\x9b"=>'&#8250;', "\x9c"=>'&#339;', "\x9d"=>'', "\x9e"=>'&#382;', "\x9f"=>'&#376;');
 98:  $x = $x + ($C['clean_ms_char'] == 1 ? array("\x82"=>'&#8218;', "\x84"=>'&#8222;', "\x91"=>'&#8216;', "\x92"=>'&#8217;', "\x93"=>'&#8220;', "\x94"=>'&#8221;') : array("\x82"=>'\'', "\x84"=>'"', "\x91"=>'\'', "\x92"=>'\'', "\x93"=>'"', "\x94"=>'"'));
 99:  $t = strtr($t, $x);
100: }
101: if($C['cdata'] or $C['comment']){$t = preg_replace_callback('`<!(?:(?:--.*?--)|(?:\[CDATA\[.*?\]\]))>`sm', '\DataTables\Vendor\htmLawed::hl_cmtcd', $t);}
102: $t = preg_replace_callback('`&amp;([A-Za-z][A-Za-z0-9]{1,30}|#(?:[0-9]{1,8}|[Xx][0-9A-Fa-f]{1,7}));`', '\DataTables\Vendor\htmLawed::hl_ent', str_replace('&', '&amp;', $t));
103: if($C['unique_ids'] && !isset($GLOBALS['hl_Ids'])){$GLOBALS['hl_Ids'] = array();}
104: if($C['hook']){$t = $C['hook']($t, $C, $S);}
105: if($C['show_setting'] && preg_match('`^[a-z][a-z0-9_]*$`i', $C['show_setting'])){
106:  $GLOBALS[$C['show_setting']] = array('config'=>$C, 'spec'=>$S, 'time'=>microtime());
107: }
108: // main
109: $t = preg_replace_callback('`<(?:(?:\s|$)|(?:[^>]*(?:>|$)))|>`m', '\DataTables\Vendor\htmLawed::hl_tag', $t);
110: $t = $C['balance'] ? \DataTables\Vendor\htmLawed::hl_bal($t, $C['keep_bad'], $C['parent']) : $t;
111: $t = (($C['cdata'] or $C['comment']) && strpos($t, "\x01") !== false) ? str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05"), array('', '', '&', '<', '>'), $t) : $t;
112: $t = $C['tidy'] ? \DataTables\Vendor\htmLawed::hl_tidy($t, $C['tidy'], $C['parent']) : $t;
113: unset($C, $e);
114: if(isset($reC)){$GLOBALS['C'] = $reC;}
115: if(isset($reS)){$GLOBALS['S'] = $reS;}
116: return $t;
117: // eof
118: }
119: 
120: public static function hl_attrval($a, $t, $p){
121: // check attr val against $S
122: static $ma = array('accesskey', 'class', 'rel');
123: $s = in_array($a, $ma) ? ' ' : '';
124: $r = array();
125: $t = !empty($s) ? explode($s, $t) : array($t);
126: foreach($t as $tk=>$tv){
127:  $o = 1; $l = strlen($tv);
128:  foreach($p as $k=>$v){
129:   switch($k){
130:    case 'maxlen': if($l > $v){$o = 0;}
131:    break; case 'minlen': if($l < $v){$o = 0;}
132:    break; case 'maxval': if((float)($tv) > $v){$o = 0;}
133:    break; case 'minval': if((float)($tv) < $v){$o = 0;}
134:    break; case 'match': if(!preg_match($v, $tv)){$o = 0;}
135:    break; case 'nomatch': if(preg_match($v, $tv)){$o = 0;}
136:    break; case 'oneof':
137:     $m = 0;
138:     foreach(explode('|', $v) as $n){if($tv == $n){$m = 1; break;}}
139:     $o = $m;
140:    break; case 'noneof':
141:     $m = 1;
142:     foreach(explode('|', $v) as $n){if($tv == $n){$m = 0; break;}}
143:     $o = $m;
144:    break; default:
145:    break;
146:   }
147:   if(!$o){break;}
148:  }
149:  if($o){$r[] = $tv;}
150: }
151: $r = implode($s, $r);
152: return (isset($r[0]) ? $r : (isset($p['default']) ? $p['default'] : 0));
153: // eof
154: }
155: 
156: public static function hl_bal($t, $do=1, $in='div'){
157: // balance tags
158: // by content
159: $cB = array('blockquote'=>1, 'form'=>1, 'map'=>1, 'noscript'=>1); // Block
160: $cE = array('area'=>1, 'br'=>1, 'col'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'param'=>1); // Empty
161: $cF = array('button'=>1, 'del'=>1, 'div'=>1, 'dd'=>1, 'fieldset'=>1, 'iframe'=>1, 'ins'=>1, 'li'=>1, 'noscript'=>1, 'object'=>1, 'td'=>1, 'th'=>1); // Flow; later context-wise dynamic move of ins & del to $cI
162: $cI = array('a'=>1, 'abbr'=>1, 'acronym'=>1, 'address'=>1, 'b'=>1, 'bdo'=>1, 'big'=>1, 'caption'=>1, 'cite'=>1, 'code'=>1, 'dfn'=>1, 'dt'=>1, 'em'=>1, 'font'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'i'=>1, 'kbd'=>1, 'label'=>1, 'legend'=>1, 'p'=>1, 'pre'=>1, 'q'=>1, 'rb'=>1, 'rt'=>1, 's'=>1, 'samp'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'sup'=>1, 'tt'=>1, 'u'=>1, 'var'=>1); // Inline
163: $cN = array('a'=>array('a'=>1), 'button'=>array('a'=>1, 'button'=>1, 'fieldset'=>1, 'form'=>1, 'iframe'=>1, 'input'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'fieldset'=>array('fieldset'=>1), 'form'=>array('form'=>1), 'label'=>array('label'=>1), 'noscript'=>array('script'=>1), 'pre'=>array('big'=>1, 'font'=>1, 'img'=>1, 'object'=>1, 'script'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1), 'rb'=>array('ruby'=>1), 'rt'=>array('ruby'=>1)); // Illegal
164: $cN2 = array_keys($cN);
165: $cR = array('blockquote'=>1, 'dir'=>1, 'dl'=>1, 'form'=>1, 'map'=>1, 'menu'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'select'=>1, 'table'=>1, 'tbody'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1);
166: $cS = array('colgroup'=>array('col'=>1), 'dir'=>array('li'=>1), 'dl'=>array('dd'=>1, 'dt'=>1), 'menu'=>array('li'=>1), 'ol'=>array('li'=>1), 'optgroup'=>array('option'=>1), 'option'=>array('#pcdata'=>1), 'rbc'=>array('rb'=>1), 'rp'=>array('#pcdata'=>1), 'rtc'=>array('rt'=>1), 'ruby'=>array('rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1), 'select'=>array('optgroup'=>1, 'option'=>1), 'script'=>array('#pcdata'=>1), 'table'=>array('caption'=>1, 'col'=>1, 'colgroup'=>1, 'tfoot'=>1, 'tbody'=>1, 'tr'=>1, 'thead'=>1), 'tbody'=>array('tr'=>1), 'tfoot'=>array('tr'=>1), 'textarea'=>array('#pcdata'=>1), 'thead'=>array('tr'=>1), 'tr'=>array('td'=>1, 'th'=>1), 'ul'=>array('li'=>1)); // Specific - immediate parent-child
167: if($GLOBALS['C']['direct_list_nest']){$cS['ol'] = $cS['ul'] += array('ol'=>1, 'ul'=>1);}
168: $cO = array('address'=>array('p'=>1), 'applet'=>array('param'=>1), 'blockquote'=>array('script'=>1), 'fieldset'=>array('legend'=>1, '#pcdata'=>1), 'form'=>array('script'=>1), 'map'=>array('area'=>1), 'object'=>array('param'=>1, 'embed'=>1)); // Other
169: $cT = array('colgroup'=>1, 'dd'=>1, 'dt'=>1, 'li'=>1, 'option'=>1, 'p'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1); // Omitable closing
170: // block/inline type; ins & del both type; #pcdata: text
171: $eB = array('address'=>1, 'blockquote'=>1, 'center'=>1, 'del'=>1, 'dir'=>1, 'dl'=>1, 'div'=>1, 'fieldset'=>1, 'form'=>1, 'ins'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'isindex'=>1, 'menu'=>1, 'noscript'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'table'=>1, 'ul'=>1);
172: $eI = array('#pcdata'=>1, 'a'=>1, 'abbr'=>1, 'acronym'=>1, 'applet'=>1, 'b'=>1, 'bdo'=>1, 'big'=>1, 'br'=>1, 'button'=>1, 'cite'=>1, 'code'=>1, 'del'=>1, 'dfn'=>1, 'em'=>1, 'embed'=>1, 'font'=>1, 'i'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'ins'=>1, 'kbd'=>1, 'label'=>1, 'map'=>1, 'object'=>1, 'q'=>1, 'ruby'=>1, 's'=>1, 'samp'=>1, 'select'=>1, 'script'=>1, 'small'=>1, 'span'=>1, 'strike'=>1, 'strong'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1, 'tt'=>1, 'u'=>1, 'var'=>1);
173: $eN = array('a'=>1, 'big'=>1, 'button'=>1, 'fieldset'=>1, 'font'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'label'=>1, 'object'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'small'=>1, 'sub'=>1, 'sup'=>1, 'textarea'=>1); // Exclude from specific ele; $cN values
174: $eO = array('area'=>1, 'caption'=>1, 'col'=>1, 'colgroup'=>1, 'dd'=>1, 'dt'=>1, 'legend'=>1, 'li'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'rb'=>1, 'rbc'=>1, 'rp'=>1, 'rt'=>1, 'rtc'=>1, 'script'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'thead'=>1, 'th'=>1, 'tr'=>1); // Missing in $eB & $eI
175: $eF = $eB + $eI;
176: 
177: // $in sets allowed child
178: $in = ((isset($eF[$in]) && $in != '#pcdata') or isset($eO[$in])) ? $in : 'div';
179: if(isset($cE[$in])){
180:  return (!$do ? '' : str_replace(array('<', '>'), array('&lt;', '&gt;'), $t));
181: }
182: if(isset($cS[$in])){$inOk = $cS[$in];}
183: elseif(isset($cI[$in])){$inOk = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
184: elseif(isset($cF[$in])){$inOk = $eF; unset($cI['del'], $cI['ins']);}
185: elseif(isset($cB[$in])){$inOk = $eB; unset($cI['del'], $cI['ins']);}
186: if(isset($cO[$in])){$inOk = $inOk + $cO[$in];}
187: if(isset($cN[$in])){$inOk = array_diff_assoc($inOk, $cN[$in]);}
188: 
189: $t = explode('<', $t);
190: $ok = $q = array(); // $q seq list of open non-empty ele
191: ob_start();
192: 
193: for($i=-1, $ci=count($t); ++$i<$ci;){
194:  // allowed $ok in parent $p
195:  if($ql = count($q)){
196:   $p = array_pop($q);
197:   $q[] = $p;
198:   if(isset($cS[$p])){$ok = $cS[$p];}
199:   elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
200:   elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
201:   elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
202:   if(isset($cO[$p])){$ok = $ok + $cO[$p];}
203:   if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
204:  }else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
205:  // bad tags, & ele content
206:  if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
207:   echo '&lt;', $s, $e, $a, '&gt;';
208:  }
209:  if(isset($x[0])){
210:   if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
211:    echo '<div>', $x, '</div>';
212:   }
213:   elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
214:   elseif(strpos($x, "\x02\x04")){
215:    foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
216:     echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
217:    }
218:   }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
219:  }
220:  // get markup
221:  if(!preg_match('`^(/?)([a-z1-6]+)([^>]*)>(.*)`sm', $t[$i], $r)){$x = $t[$i]; continue;}
222:  $s = null; $e = null; $a = null; $x = null; list($all, $s, $e, $a, $x) = $r;
223:  // close tag
224:  if($s){
225:   if(isset($cE[$e]) or !in_array($e, $q)){continue;} // Empty/unopen
226:   if($p == $e){array_pop($q); echo '</', $e, '>'; unset($e); continue;} // Last open
227:   $add = ''; // Nesting - close open tags that need to be
228:   for($j=-1, $cj=count($q); ++$j<$cj;){
229:    if(($d = array_pop($q)) == $e){break;}
230:    else{$add .= "</{$d}>";}
231:   }
232:   echo $add, '</', $e, '>'; unset($e); continue;
233:  }
234:  // open tag
235:  // $cB ele needs $eB ele as child
236:  if(isset($cB[$e]) && strlen(trim($x))){
237:   $t[$i] = "{$e}{$a}>";
238:   array_splice($t, $i+1, 0, 'div>'. $x); unset($e, $x); ++$ci; --$i; continue;
239:  }
240:  if((($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql)) && !isset($eB[$e]) && !isset($ok[$e])){
241:   array_splice($t, $i, 0, 'div>'); unset($e, $x); ++$ci; --$i; continue;
242:  }
243:  // if no open ele, $in = parent; mostly immediate parent-child relation should hold
244:  if(!$ql or !isset($eN[$e]) or !array_intersect($q, $cN2)){
245:   if(!isset($ok[$e])){
246:    if($ql && isset($cT[$p])){echo '</', array_pop($q), '>'; unset($e, $x); --$i;}
247:    continue;
248:   }
249:   if(!isset($cE[$e])){$q[] = $e;}
250:   echo '<', $e, $a, '>'; unset($e); continue;
251:  }
252:  // specific parent-child
253:  if(isset($cS[$p][$e])){
254:   if(!isset($cE[$e])){$q[] = $e;}
255:   echo '<', $e, $a, '>'; unset($e); continue;
256:  }
257:  // nesting
258:  $add = '';
259:  $q2 = array();
260:  for($k=-1, $kc=count($q); ++$k<$kc;){
261:   $d = $q[$k];
262:   $ok2 = array();
263:   if(isset($cS[$d])){$q2[] = $d; continue;}
264:   $ok2 = isset($cI[$d]) ? $eI : $eF;
265:   if(isset($cO[$d])){$ok2 = $ok2 + $cO[$d];}
266:   if(isset($cN[$d])){$ok2 = array_diff_assoc($ok2, $cN[$d]);}
267:   if(!isset($ok2[$e])){
268:    if(!$k && !isset($inOk[$e])){continue 2;}
269:    $add = "</{$d}>";
270:    for(;++$k<$kc;){$add = "</{$q[$k]}>{$add}";}
271:    break;
272:   }
273:   else{$q2[] = $d;}
274:  }
275:  $q = $q2;
276:  if(!isset($cE[$e])){$q[] = $e;}
277:  echo $add, '<', $e, $a, '>'; unset($e); continue;
278: }
279: 
280: // end
281: if($ql = count($q)){
282:  $p = array_pop($q);
283:  $q[] = $p;
284:  if(isset($cS[$p])){$ok = $cS[$p];}
285:  elseif(isset($cI[$p])){$ok = $eI; $cI['del'] = 1; $cI['ins'] = 1;}
286:  elseif(isset($cF[$p])){$ok = $eF; unset($cI['del'], $cI['ins']);}
287:  elseif(isset($cB[$p])){$ok = $eB; unset($cI['del'], $cI['ins']);}
288:  if(isset($cO[$p])){$ok = $ok + $cO[$p];}
289:  if(isset($cN[$p])){$ok = array_diff_assoc($ok, $cN[$p]);}
290: }else{$ok = $inOk; unset($cI['del'], $cI['ins']);}
291: if(isset($e) && ($do == 1 or (isset($ok['#pcdata']) && ($do == 3 or $do == 5)))){
292:  echo '&lt;', $s, $e, $a, '&gt;';
293: }
294: if(isset($x[0])){
295:  if(strlen(trim($x)) && (($ql && isset($cB[$p])) or (isset($cB[$in]) && !$ql))){
296:   echo '<div>', $x, '</div>';
297:  }
298:  elseif($do < 3 or isset($ok['#pcdata'])){echo $x;}
299:  elseif(strpos($x, "\x02\x04")){
300:   foreach(preg_split('`(\x01\x02[^\x01\x02]+\x02\x01)`', $x, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $v){
301:    echo (substr($v, 0, 2) == "\x01\x02" ? $v : ($do > 4 ? preg_replace('`\S`', '', $v) : ''));
302:   }
303:  }elseif($do > 4){echo preg_replace('`\S`', '', $x);}
304: }
305: while(!empty($q) && ($e = array_pop($q))){echo '</', $e, '>';}
306: $o = ob_get_contents();
307: ob_end_clean();
308: return $o;
309: // eof
310: }
311: 
312: public static function hl_cmtcd($t){
313: // comment/CDATA sec handler
314: $t = $t[0];
315: global $C;
316: if(!($v = $C[$n = $t[3] == '-' ? 'comment' : 'cdata'])){return $t;}
317: if($v == 1){return '';}
318: if($n == 'comment'){
319:  if(substr(($t = preg_replace('`--+`', '-', substr($t, 4, -3))), -1) != ' '){$t .= ' ';}
320: }
321: else{$t = substr($t, 1, -1);}
322: $t = $v == 2 ? str_replace(array('&', '<', '>'), array('&amp;', '&lt;', '&gt;'), $t) : $t;
323: return str_replace(array('&', '<', '>'), array("\x03", "\x04", "\x05"), ($n == 'comment' ? "\x01\x02\x04!--$t--\x05\x02\x01" : "\x01\x01\x04$t\x05\x01\x01"));
324: // eof
325: }
326: 
327: public static function hl_ent($t){
328: // entitity handler
329: global $C;
330: $t = $t[1];
331: static $U = array('quot'=>1,'amp'=>1,'lt'=>1,'gt'=>1);
332: static $N = array('fnof'=>'402', 'Alpha'=>'913', 'Beta'=>'914', 'Gamma'=>'915', 'Delta'=>'916', 'Epsilon'=>'917', 'Zeta'=>'918', 'Eta'=>'919', 'Theta'=>'920', 'Iota'=>'921', 'Kappa'=>'922', 'Lambda'=>'923', 'Mu'=>'924', 'Nu'=>'925', 'Xi'=>'926', 'Omicron'=>'927', 'Pi'=>'928', 'Rho'=>'929', 'Sigma'=>'931', 'Tau'=>'932', 'Upsilon'=>'933', 'Phi'=>'934', 'Chi'=>'935', 'Psi'=>'936', 'Omega'=>'937', 'alpha'=>'945', 'beta'=>'946', 'gamma'=>'947', 'delta'=>'948', 'epsilon'=>'949', 'zeta'=>'950', 'eta'=>'951', 'theta'=>'952', 'iota'=>'953', 'kappa'=>'954', 'lambda'=>'955', 'mu'=>'956', 'nu'=>'957', 'xi'=>'958', 'omicron'=>'959', 'pi'=>'960', 'rho'=>'961', 'sigmaf'=>'962', 'sigma'=>'963', 'tau'=>'964', 'upsilon'=>'965', 'phi'=>'966', 'chi'=>'967', 'psi'=>'968', 'omega'=>'969', 'thetasym'=>'977', 'upsih'=>'978', 'piv'=>'982', 'bull'=>'8226', 'hellip'=>'8230', 'prime'=>'8242', 'Prime'=>'8243', 'oline'=>'8254', 'frasl'=>'8260', 'weierp'=>'8472', 'image'=>'8465', 'real'=>'8476', 'trade'=>'8482', 'alefsym'=>'8501', 'larr'=>'8592', 'uarr'=>'8593', 'rarr'=>'8594', 'darr'=>'8595', 'harr'=>'8596', 'crarr'=>'8629', 'lArr'=>'8656', 'uArr'=>'8657', 'rArr'=>'8658', 'dArr'=>'8659', 'hArr'=>'8660', 'forall'=>'8704', 'part'=>'8706', 'exist'=>'8707', 'empty'=>'8709', 'nabla'=>'8711', 'isin'=>'8712', 'notin'=>'8713', 'ni'=>'8715', 'prod'=>'8719', 'sum'=>'8721', 'minus'=>'8722', 'lowast'=>'8727', 'radic'=>'8730', 'prop'=>'8733', 'infin'=>'8734', 'ang'=>'8736', 'and'=>'8743', 'or'=>'8744', 'cap'=>'8745', 'cup'=>'8746', 'int'=>'8747', 'there4'=>'8756', 'sim'=>'8764', 'cong'=>'8773', 'asymp'=>'8776', 'ne'=>'8800', 'equiv'=>'8801', 'le'=>'8804', 'ge'=>'8805', 'sub'=>'8834', 'sup'=>'8835', 'nsub'=>'8836', 'sube'=>'8838', 'supe'=>'8839', 'oplus'=>'8853', 'otimes'=>'8855', 'perp'=>'8869', 'sdot'=>'8901', 'lceil'=>'8968', 'rceil'=>'8969', 'lfloor'=>'8970', 'rfloor'=>'8971', 'lang'=>'9001', 'rang'=>'9002', 'loz'=>'9674', 'spades'=>'9824', 'clubs'=>'9827', 'hearts'=>'9829', 'diams'=>'9830', 'apos'=>'39',  'OElig'=>'338', 'oelig'=>'339', 'Scaron'=>'352', 'scaron'=>'353', 'Yuml'=>'376', 'circ'=>'710', 'tilde'=>'732', 'ensp'=>'8194', 'emsp'=>'8195', 'thinsp'=>'8201', 'zwnj'=>'8204', 'zwj'=>'8205', 'lrm'=>'8206', 'rlm'=>'8207', 'ndash'=>'8211', 'mdash'=>'8212', 'lsquo'=>'8216', 'rsquo'=>'8217', 'sbquo'=>'8218', 'ldquo'=>'8220', 'rdquo'=>'8221', 'bdquo'=>'8222', 'dagger'=>'8224', 'Dagger'=>'8225', 'permil'=>'8240', 'lsaquo'=>'8249', 'rsaquo'=>'8250', 'euro'=>'8364', 'nbsp'=>'160', 'iexcl'=>'161', 'cent'=>'162', 'pound'=>'163', 'curren'=>'164', 'yen'=>'165', 'brvbar'=>'166', 'sect'=>'167', 'uml'=>'168', 'copy'=>'169', 'ordf'=>'170', 'laquo'=>'171', 'not'=>'172', 'shy'=>'173', 'reg'=>'174', 'macr'=>'175', 'deg'=>'176', 'plusmn'=>'177', 'sup2'=>'178', 'sup3'=>'179', 'acute'=>'180', 'micro'=>'181', 'para'=>'182', 'middot'=>'183', 'cedil'=>'184', 'sup1'=>'185', 'ordm'=>'186', 'raquo'=>'187', 'frac14'=>'188', 'frac12'=>'189', 'frac34'=>'190', 'iquest'=>'191', 'Agrave'=>'192', 'Aacute'=>'193', 'Acirc'=>'194', 'Atilde'=>'195', 'Auml'=>'196', 'Aring'=>'197', 'AElig'=>'198', 'Ccedil'=>'199', 'Egrave'=>'200', 'Eacute'=>'201', 'Ecirc'=>'202', 'Euml'=>'203', 'Igrave'=>'204', 'Iacute'=>'205', 'Icirc'=>'206', 'Iuml'=>'207', 'ETH'=>'208', 'Ntilde'=>'209', 'Ograve'=>'210', 'Oacute'=>'211', 'Ocirc'=>'212', 'Otilde'=>'213', 'Ouml'=>'214', 'times'=>'215', 'Oslash'=>'216', 'Ugrave'=>'217', 'Uacute'=>'218', 'Ucirc'=>'219', 'Uuml'=>'220', 'Yacute'=>'221', 'THORN'=>'222', 'szlig'=>'223', 'agrave'=>'224', 'aacute'=>'225', 'acirc'=>'226', 'atilde'=>'227', 'auml'=>'228', 'aring'=>'229', 'aelig'=>'230', 'ccedil'=>'231', 'egrave'=>'232', 'eacute'=>'233', 'ecirc'=>'234', 'euml'=>'235', 'igrave'=>'236', 'iacute'=>'237', 'icirc'=>'238', 'iuml'=>'239', 'eth'=>'240', 'ntilde'=>'241', 'ograve'=>'242', 'oacute'=>'243', 'ocirc'=>'244', 'otilde'=>'245', 'ouml'=>'246', 'divide'=>'247', 'oslash'=>'248', 'ugrave'=>'249', 'uacute'=>'250', 'ucirc'=>'251', 'uuml'=>'252', 'yacute'=>'253', 'thorn'=>'254', 'yuml'=>'255');
333: if($t[0] != '#'){
334:  return ($C['and_mark'] ? "\x06" : '&'). (isset($U[$t]) ? $t : (isset($N[$t]) ? (!$C['named_entity'] ? '#'. ($C['hexdec_entity'] > 1 ? 'x'. dechex($N[$t]) : $N[$t]) : $t) : 'amp;'. $t)). ';';
335: }
336: if(($n = ctype_digit($t = substr($t, 1)) ? intval($t) : hexdec(substr($t, 1))) < 9 or ($n > 13 && $n < 32) or $n == 11 or $n == 12 or ($n > 126 && $n < 160 && $n != 133) or ($n > 55295 && ($n < 57344 or ($n > 64975 && $n < 64992) or $n == 65534 or $n == 65535 or $n > 1114111))){
337:  return ($C['and_mark'] ? "\x06" : '&'). "amp;#{$t};";
338: }
339: return ($C['and_mark'] ? "\x06" : '&'). '#'. (((ctype_digit($t) && $C['hexdec_entity'] < 2) or !$C['hexdec_entity']) ? $n : 'x'. dechex($n)). ';';
340: // eof
341: }
342: 
343: public static function hl_prot($p, $c=null){
344: // check URL scheme
345: global $C;
346: $b = $a = '';
347: if($c == null){$c = 'style'; $b = $p[1]; $a = $p[3]; $p = trim($p[2]);}
348: $c = isset($C['schemes'][$c]) ? $C['schemes'][$c] : $C['schemes']['*'];
349: static $d = 'denied:';
350: if(isset($c['!']) && substr($p, 0, 7) != $d){$p = "$d$p";}
351: if(isset($c['*']) or !strcspn($p, '#?;') or (substr($p, 0, 7) == $d)){return "{$b}{$p}{$a}";} // All ok, frag, query, param
352: if(preg_match('`^([^:?[@!$()*,=/\'\]]+?)(:|&#(58|x3a);|%3a|\\\\0{0,4}3a).`i', $p, $m) && !isset($c[strtolower($m[1])])){ // Denied prot
353:  return "{$b}{$d}{$p}{$a}";
354: }
355: if($C['abs_url']){
356:  if($C['abs_url'] == -1 && strpos($p, $C['base_url']) === 0){ // Make url rel
357:   $p = substr($p, strlen($C['base_url']));
358:  }elseif(empty($m[1])){ // Make URL abs
359:   if(substr($p, 0, 2) == '//'){$p = substr($C['base_url'], 0, strpos($C['base_url'], ':')+1). $p;}
360:   elseif($p[0] == '/'){$p = preg_replace('`(^.+?://[^/]+)(.*)`', '$1', $C['base_url']). $p;}
361:   elseif(strcspn($p, './')){$p = $C['base_url']. $p;}
362:   else{
363:    preg_match('`^([a-zA-Z\d\-+.]+://[^/]+)(.*)`', $C['base_url'], $m);
364:    $p = preg_replace('`(?<=/)\./`', '', $m[2]. $p);
365:    while(preg_match('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', $p)){
366:     $p = preg_replace('`(?<=/)([^/]{3,}|[^/.]+?|\.[^/.]|[^/.]\.)/\.\./`', '', $p);
367:    }
368:    $p = $m[1]. $p;
369:   }
370:  }
371: }
372: return "{$b}{$p}{$a}";
373: // eof
374: }
375: 
376: public static function hl_regex($p){
377: // ?regex
378: if(empty($p)){return 0;}
379: if($t = ini_get('track_errors')){$o = isset($php_errormsg) ? $php_errormsg : null;}
380: else{ini_set('track_errors', 1);}
381: unset($php_errormsg);
382: if(($d = ini_get('display_errors'))){ini_set('display_errors', 0);}
383: preg_match($p, '');
384: if($d){ini_set('display_errors', 1);}
385: $r = isset($php_errormsg) ? 0 : 1;
386: if($t){$php_errormsg = isset($o) ? $o : null;}
387: else{ini_set('track_errors', 0);}
388: return $r;
389: // eof
390: }
391: 
392: public static function hl_spec($t){
393: // final $spec
394: $s = array();
395: $t = str_replace(array("\t", "\r", "\n", ' '), '', preg_replace_callback('/"(?>(`.|[^"])*)"/sm', create_function('$m', 'return substr(str_replace(array(";", "|", "~", " ", ",", "/", "(", ")", \'`"\'), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08", "\""), $m[0]), 1, -1);'), trim($t))); 
396: for($i = count(($t = explode(';', $t))); --$i>=0;){
397:  $w = $t[$i];
398:  if(empty($w) or ($e = strpos($w, '=')) === false or !strlen(($a =  substr($w, $e+1)))){continue;}
399:  $y = $n = array();
400:  foreach(explode(',', $a) as $v){
401:   if(!preg_match('`^([a-z:\-\*]+)(?:\((.*?)\))?`i', $v, $m)){continue;}
402:   if(($x = strtolower($m[1])) == '-*'){$n['*'] = 1; continue;}
403:   if($x[0] == '-'){$n[substr($x, 1)] = 1; continue;}
404:   if(!isset($m[2])){$y[$x] = 1; continue;}
405:   foreach(explode('/', $m[2]) as $m){
406:    if(empty($m) or ($p = strpos($m, '=')) == 0 or $p < 5){$y[$x] = 1; continue;}
407:    $y[$x][strtolower(substr($m, 0, $p))] = str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x06", "\x07", "\x08"), array(";", "|", "~", " ", ",", "/", "(", ")"), substr($m, $p+1));
408:   }
409:   if(isset($y[$x]['match']) && !\DataTables\Vendor\htmLawed::hl_regex($y[$x]['match'])){unset($y[$x]['match']);}
410:   if(isset($y[$x]['nomatch']) && !\DataTables\Vendor\htmLawed::hl_regex($y[$x]['nomatch'])){unset($y[$x]['nomatch']);}
411:  }
412:  if(!count($y) && !count($n)){continue;}
413:  foreach(explode(',', substr($w, 0, $e)) as $v){
414:   if(!strlen(($v = strtolower($v)))){continue;}
415:   if(count($y)){$s[$v] = $y;}
416:   if(count($n)){$s[$v]['n'] = $n;}
417:  }
418: }
419: return $s;
420: // eof
421: }
422: 
423: public static function hl_tag($t){
424: // tag/attribute handler
425: global $C;
426: $t = $t[0];
427: // invalid < >
428: if($t == '< '){return '&lt; ';}
429: if($t == '>'){return '&gt;';}
430: if(!preg_match('`^<(/?)([a-zA-Z][a-zA-Z1-6]*)([^>]*?)\s?>$`m', $t, $m)){
431:  return str_replace(array('<', '>'), array('&lt;', '&gt;'), $t);
432: }elseif(!isset($C['elements'][($e = strtolower($m[2]))])){
433:  return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('&lt;', '&gt;'), $t) : '');
434: }
435: // attr string
436: $a = str_replace(array("\n", "\r", "\t"), ' ', trim($m[3]));
437: // tag transform
438: static $eD = array('applet'=>1, 'center'=>1, 'dir'=>1, 'embed'=>1, 'font'=>1, 'isindex'=>1, 'menu'=>1, 's'=>1, 'strike'=>1, 'u'=>1); // Deprecated
439: if($C['make_tag_strict'] && isset($eD[$e])){
440:  $trt = \DataTables\Vendor\htmLawed::hl_tag2($e, $a, $C['make_tag_strict']);
441:  if(!$e){return (($C['keep_bad']%2) ? str_replace(array('<', '>'), array('&lt;', '&gt;'), $t) : '');}
442: }
443: // close tag
444: static $eE = array('area'=>1, 'br'=>1, 'col'=>1, 'embed'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'isindex'=>1, 'param'=>1); // Empty ele
445: if(!empty($m[1])){
446:  return (!isset($eE[$e]) ? (empty($C['hook_tag']) ? "</$e>" : $C['hook_tag']($e)) : (($C['keep_bad'])%2 ? str_replace(array('<', '>'), array('&lt;', '&gt;'), $t) : ''));
447: }
448: 
449: // open tag & attr
450: static $aN = array('abbr'=>array('td'=>1, 'th'=>1), 'accept-charset'=>array('form'=>1), 'accept'=>array('form'=>1, 'input'=>1), 'accesskey'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'label'=>1, 'legend'=>1, 'textarea'=>1), 'action'=>array('form'=>1), 'align'=>array('caption'=>1, 'embed'=>1, 'applet'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'legend'=>1, 'table'=>1, 'hr'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'p'=>1, 'col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'allowfullscreen'=>array('iframe'=>1), 'alt'=>array('applet'=>1, 'area'=>1, 'img'=>1, 'input'=>1), 'archive'=>array('applet'=>1, 'object'=>1), 'axis'=>array('td'=>1, 'th'=>1), 'bgcolor'=>array('embed'=>1, 'table'=>1, 'tr'=>1, 'td'=>1, 'th'=>1), 'border'=>array('table'=>1, 'img'=>1, 'object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'cellpadding'=>array('table'=>1), 'cellspacing'=>array('table'=>1), 'char'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charoff'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'charset'=>array('a'=>1, 'script'=>1), 'checked'=>array('input'=>1), 'cite'=>array('blockquote'=>1, 'q'=>1, 'del'=>1, 'ins'=>1), 'classid'=>array('object'=>1), 'clear'=>array('br'=>1), 'code'=>array('applet'=>1), 'codebase'=>array('object'=>1, 'applet'=>1), 'codetype'=>array('object'=>1), 'color'=>array('font'=>1), 'cols'=>array('textarea'=>1), 'colspan'=>array('td'=>1, 'th'=>1), 'compact'=>array('dir'=>1, 'dl'=>1, 'menu'=>1, 'ol'=>1, 'ul'=>1), 'coords'=>array('area'=>1, 'a'=>1), 'data'=>array('object'=>1), 'datetime'=>array('del'=>1, 'ins'=>1), 'declare'=>array('object'=>1), 'defer'=>array('script'=>1), 'dir'=>array('bdo'=>1), 'disabled'=>array('button'=>1, 'input'=>1, 'optgroup'=>1, 'option'=>1, 'select'=>1, 'textarea'=>1), 'enctype'=>array('form'=>1), 'face'=>array('font'=>1), 'for'=>array('label'=>1), 'frame'=>array('table'=>1), 'frameborder'=>array('iframe'=>1), 'headers'=>array('td'=>1, 'th'=>1), 'height'=>array('embed'=>1, 'iframe'=>1, 'td'=>1, 'th'=>1, 'img'=>1, 'object'=>1, 'applet'=>1), 'href'=>array('a'=>1, 'area'=>1), 'hreflang'=>array('a'=>1), 'hspace'=>array('applet'=>1, 'img'=>1, 'object'=>1), 'ismap'=>array('img'=>1, 'input'=>1), 'label'=>array('option'=>1, 'optgroup'=>1), 'language'=>array('script'=>1), 'longdesc'=>array('img'=>1, 'iframe'=>1), 'marginheight'=>array('iframe'=>1), 'marginwidth'=>array('iframe'=>1), 'maxlength'=>array('input'=>1), 'method'=>array('form'=>1), 'model'=>array('embed'=>1), 'multiple'=>array('select'=>1), 'name'=>array('button'=>1, 'embed'=>1, 'textarea'=>1, 'applet'=>1, 'select'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'a'=>1, 'input'=>1, 'object'=>1, 'map'=>1, 'param'=>1), 'nohref'=>array('area'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'object'=>array('applet'=>1), 'onblur'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'onchange'=>array('input'=>1, 'select'=>1, 'textarea'=>1), 'onfocus'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'label'=>1, 'select'=>1, 'textarea'=>1), 'onreset'=>array('form'=>1), 'onselect'=>array('input'=>1, 'textarea'=>1), 'onsubmit'=>array('form'=>1), 'pluginspage'=>array('embed'=>1), 'pluginurl'=>array('embed'=>1), 'prompt'=>array('isindex'=>1), 'readonly'=>array('textarea'=>1, 'input'=>1), 'rel'=>array('a'=>1), 'rev'=>array('a'=>1), 'rows'=>array('textarea'=>1), 'rowspan'=>array('td'=>1, 'th'=>1), 'rules'=>array('table'=>1), 'scope'=>array('td'=>1, 'th'=>1), 'scrolling'=>array('iframe'=>1), 'selected'=>array('option'=>1), 'shape'=>array('area'=>1, 'a'=>1), 'size'=>array('hr'=>1, 'font'=>1, 'input'=>1, 'select'=>1), 'span'=>array('col'=>1, 'colgroup'=>1), 'src'=>array('embed'=>1, 'script'=>1, 'input'=>1, 'iframe'=>1, 'img'=>1), 'standby'=>array('object'=>1), 'start'=>array('ol'=>1), 'summary'=>array('table'=>1), 'tabindex'=>array('a'=>1, 'area'=>1, 'button'=>1, 'input'=>1, 'object'=>1, 'select'=>1, 'textarea'=>1), 'target'=>array('a'=>1, 'area'=>1, 'form'=>1), 'type'=>array('a'=>1, 'embed'=>1, 'object'=>1, 'param'=>1, 'script'=>1, 'input'=>1, 'li'=>1, 'ol'=>1, 'ul'=>1, 'button'=>1), 'usemap'=>array('img'=>1, 'input'=>1, 'object'=>1), 'valign'=>array('col'=>1, 'colgroup'=>1, 'tbody'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1), 'value'=>array('input'=>1, 'option'=>1, 'param'=>1, 'button'=>1, 'li'=>1), 'valuetype'=>array('param'=>1), 'vspace'=>array('applet'=>1, 'img'=>1, 'object'=>1), 'width'=>array('embed'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'object'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'applet'=>1, 'col'=>1, 'colgroup'=>1, 'pre'=>1), 'wmode'=>array('embed'=>1), 'xml:space'=>array('pre'=>1, 'script'=>1, 'style'=>1)); // Ele-specific
451: static $aNE = array('checked'=>1, 'compact'=>1, 'declare'=>1, 'defer'=>1, 'disabled'=>1, 'ismap'=>1, 'multiple'=>1, 'nohref'=>1, 'noresize'=>1, 'noshade'=>1, 'nowrap'=>1, 'readonly'=>1, 'selected'=>1); // Empty
452: static $aNP = array('action'=>1, 'cite'=>1, 'classid'=>1, 'codebase'=>1, 'data'=>1, 'href'=>1, 'longdesc'=>1, 'model'=>1, 'pluginspage'=>1, 'pluginurl'=>1, 'usemap'=>1); // Need scheme check; excludes style, on* & src
453: static $aNU = array('class'=>array('param'=>1, 'script'=>1), 'dir'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'iframe'=>1, 'param'=>1, 'script'=>1), 'id'=>array('script'=>1), 'lang'=>array('applet'=>1, 'br'=>1, 'iframe'=>1, 'param'=>1, 'script'=>1), 'xml:lang'=>array('applet'=>1, 'br'=>1, 'iframe'=>1, 'param'=>1, 'script'=>1), 'onclick'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'ondblclick'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onkeydown'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onkeypress'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onkeyup'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmousedown'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmousemove'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmouseout'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmouseover'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'onmouseup'=>array('applet'=>1, 'bdo'=>1, 'br'=>1, 'font'=>1, 'iframe'=>1, 'isindex'=>1, 'param'=>1, 'script'=>1), 'style'=>array('param'=>1, 'script'=>1), 'title'=>array('param'=>1, 'script'=>1)); // Univ & exceptions
454: 
455: if($C['lc_std_val']){
456:  // predef attr vals for $eAL & $aNE ele
457:  static $aNL = array('all'=>1, 'baseline'=>1, 'bottom'=>1, 'button'=>1, 'center'=>1, 'char'=>1, 'checkbox'=>1, 'circle'=>1, 'col'=>1, 'colgroup'=>1, 'cols'=>1, 'data'=>1, 'default'=>1, 'file'=>1, 'get'=>1, 'groups'=>1, 'hidden'=>1, 'image'=>1, 'justify'=>1, 'left'=>1, 'ltr'=>1, 'middle'=>1, 'none'=>1, 'object'=>1, 'password'=>1, 'poly'=>1, 'post'=>1, 'preserve'=>1, 'radio'=>1, 'rect'=>1, 'ref'=>1, 'reset'=>1, 'right'=>1, 'row'=>1, 'rowgroup'=>1, 'rows'=>1, 'rtl'=>1, 'submit'=>1, 'text'=>1, 'top'=>1);
458:  static $eAL = array('a'=>1, 'area'=>1, 'bdo'=>1, 'button'=>1, 'col'=>1, 'form'=>1, 'img'=>1, 'input'=>1, 'object'=>1, 'optgroup'=>1, 'option'=>1, 'param'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'td'=>1, 'tfoot'=>1, 'th'=>1, 'thead'=>1, 'tr'=>1, 'xml:space'=>1);
459:  $lcase = isset($eAL[$e]) ? 1 : 0;
460: }
461: 
462: $depTr = 0;
463: if($C['no_deprecated_attr']){
464:  // dep attr:applicable ele
465:  static $aND = array('align'=>array('caption'=>1, 'div'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'object'=>1, 'p'=>1, 'table'=>1), 'bgcolor'=>array('table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1), 'border'=>array('img'=>1, 'object'=>1), 'bordercolor'=>array('table'=>1, 'td'=>1, 'tr'=>1), 'clear'=>array('br'=>1), 'compact'=>array('dl'=>1, 'ol'=>1, 'ul'=>1), 'height'=>array('td'=>1, 'th'=>1), 'hspace'=>array('img'=>1, 'object'=>1), 'language'=>array('script'=>1), 'name'=>array('a'=>1, 'form'=>1, 'iframe'=>1, 'img'=>1, 'map'=>1), 'noshade'=>array('hr'=>1), 'nowrap'=>array('td'=>1, 'th'=>1), 'size'=>array('hr'=>1), 'start'=>array('ol'=>1), 'type'=>array('li'=>1, 'ol'=>1, 'ul'=>1), 'value'=>array('li'=>1), 'vspace'=>array('img'=>1, 'object'=>1), 'width'=>array('hr'=>1, 'pre'=>1, 'td'=>1, 'th'=>1));
466:  static $eAD = array('a'=>1, 'br'=>1, 'caption'=>1, 'div'=>1, 'dl'=>1, 'form'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'hr'=>1, 'iframe'=>1, 'img'=>1, 'input'=>1, 'legend'=>1, 'li'=>1, 'map'=>1, 'object'=>1, 'ol'=>1, 'p'=>1, 'pre'=>1, 'script'=>1, 'table'=>1, 'td'=>1, 'th'=>1, 'tr'=>1, 'ul'=>1);
467:  $depTr = isset($eAD[$e]) ? 1 : 0;
468: }
469: 
470: // attr name-vals
471: if(strpos($a, "\x01") !== false){$a = preg_replace('`\x01[^\x01]*\x01`', '', $a);} // No comment/CDATA sec
472: $mode = 0; $a = trim($a, ' /'); $aA = array();
473: while(strlen($a)){
474:  $w = 0;
475:  switch($mode){
476:   case 0: // Name
477:    if(preg_match('`^[a-zA-Z][\-a-zA-Z:]+`', $a, $m)){
478:     $nm = strtolower($m[0]);
479:     $w = $mode = 1; $a = ltrim(substr_replace($a, '', 0, strlen($m[0])));
480:    }
481:   break; case 1:
482:    if($a[0] == '='){ // =
483:     $w = 1; $mode = 2; $a = ltrim($a, '= ');
484:    }else{ // No val
485:     $w = 1; $mode = 0; $a = ltrim($a);
486:     $aA[$nm] = '';
487:    }
488:   break; case 2: // Val
489:    if(preg_match('`^((?:"[^"]*")|(?:\'[^\']*\')|(?:\s*[^\s"\']+))(.*)`', $a, $m)){
490:     $a = ltrim($m[2]); $m = $m[1]; $w = 1; $mode = 0;
491:     $aA[$nm] = trim(str_replace('<', '&lt;', ($m[0] == '"' or $m[0] == '\'') ? substr($m, 1, -1) : $m));
492:    }
493:   break;
494:  }
495:  if($w == 0){ // Parse errs, deal with space, " & '
496:   $a = preg_replace('`^(?:"[^"]*("|$)|\'[^\']*(\'|$)|\S)*\s*`', '', $a);
497:   $mode = 0;
498:  }
499: }
500: if($mode == 1){$aA[$nm] = '';}
501: 
502: // clean attrs
503: global $S;
504: $rl = isset($S[$e]) ? $S[$e] : array();
505: $a = array(); $nfr = 0;
506: foreach($aA as $k=>$v){
507:  if(((isset($C['deny_attribute']['*']) ? isset($C['deny_attribute'][$k]) : !isset($C['deny_attribute'][$k])) && (isset($aN[$k][$e]) or (isset($aNU[$k]) && !isset($aNU[$k][$e]))) && !isset($rl['n'][$k]) && !isset($rl['n']['*'])) or isset($rl[$k])){
508:   if(isset($aNE[$k])){$v = $k;}
509:   elseif(!empty($lcase) && (($e != 'button' or $e != 'input') or $k == 'type')){ // Rather loose but ?not cause issues
510:    $v = (isset($aNL[($v2 = strtolower($v))])) ? $v2 : $v;
511:   }
512:   if($k == 'style' && !$C['style_pass']){
513:    if(false !== strpos($v, '&#')){
514:     static $sC = array('&#x20;'=>' ', '&#32;'=>' ', '&#x45;'=>'e', '&#69;'=>'e', '&#x65;'=>'e', '&#101;'=>'e', '&#x58;'=>'x', '&#88;'=>'x', '&#x78;'=>'x', '&#120;'=>'x', '&#x50;'=>'p', '&#80;'=>'p', '&#x70;'=>'p', '&#112;'=>'p', '&#x53;'=>'s', '&#83;'=>'s', '&#x73;'=>'s', '&#115;'=>'s', '&#x49;'=>'i', '&#73;'=>'i', '&#x69;'=>'i', '&#105;'=>'i', '&#x4f;'=>'o', '&#79;'=>'o', '&#x6f;'=>'o', '&#111;'=>'o', '&#x4e;'=>'n', '&#78;'=>'n', '&#x6e;'=>'n', '&#110;'=>'n', '&#x55;'=>'u', '&#85;'=>'u', '&#x75;'=>'u', '&#117;'=>'u', '&#x52;'=>'r', '&#82;'=>'r', '&#x72;'=>'r', '&#114;'=>'r', '&#x4c;'=>'l', '&#76;'=>'l', '&#x6c;'=>'l', '&#108;'=>'l', '&#x28;'=>'(', '&#40;'=>'(', '&#x29;'=>')', '&#41;'=>')', '&#x20;'=>':', '&#32;'=>':', '&#x22;'=>'"', '&#34;'=>'"', '&#x27;'=>"'", '&#39;'=>"'", '&#x2f;'=>'/', '&#47;'=>'/', '&#x2a;'=>'*', '&#42;'=>'*', '&#x5c;'=>'\\', '&#92;'=>'\\');
515:     $v = strtr($v, $sC);
516:    }
517:    $v = preg_replace_callback('`(url(?:\()(?: )*(?:\'|"|&(?:quot|apos);)?)(.+?)((?:\'|"|&(?:quot|apos);)?(?: )*(?:\)))`iS', '\DataTables\Vendor\htmLawed::hl_prot', $v);
518:    $v = !$C['css_expression'] ? preg_replace('`expression`i', ' ', preg_replace('`\\\\\S|(/|(%2f))(\*|(%2a))`i', ' ', $v)) : $v;
519:   }elseif(isset($aNP[$k]) or strpos($k, 'src') !== false or $k[0] == 'o'){
520:    $v = str_replace("­", ' ', (strpos($v, '&') !== false ? str_replace(array('&#xad;', '&#173;', '&shy;'), ' ', $v) : $v)); # double-quoted char is soft-hyphen; appears here as "­" or hyphen or something else depending on viewing software
521:    $v = \DataTables\Vendor\htmLawed::hl_prot($v, $k);
522:    if($k == 'href'){ // X-spam
523:     if($C['anti_mail_spam'] && strpos($v, 'mailto:') === 0){
524:      $v = str_replace('@', htmlspecialchars($C['anti_mail_spam']), $v);
525:     }elseif($C['anti_link_spam']){
526:      $r1 = $C['anti_link_spam'][1];
527:      if(!empty($r1) && preg_match($r1, $v)){continue;}
528:      $r0 = $C['anti_link_spam'][0];
529:      if(!empty($r0) && preg_match($r0, $v)){
530:       if(isset($a['rel'])){
531:        if(!preg_match('`\bnofollow\b`i', $a['rel'])){$a['rel'] .= ' nofollow';}
532:       }elseif(isset($aA['rel'])){
533:        if(!preg_match('`\bnofollow\b`i', $aA['rel'])){$nfr = 1;}
534:       }else{$a['rel'] = 'nofollow';}
535:      }
536:     }
537:    }
538:   }
539:   if(isset($rl[$k]) && is_array($rl[$k]) && ($v = \DataTables\Vendor\htmLawed::hl_attrval($k, $v, $rl[$k])) === 0){continue;}
540:   $a[$k] = str_replace('"', '&quot;', $v);
541:  }
542: }
543: if($nfr){$a['rel'] = isset($a['rel']) ? $a['rel']. ' nofollow' : 'nofollow';}
544: 
545: // rqd attr
546: static $eAR = array('area'=>array('alt'=>'area'), 'bdo'=>array('dir'=>'ltr'), 'form'=>array('action'=>''), 'img'=>array('src'=>'', 'alt'=>'image'), 'map'=>array('name'=>''), 'optgroup'=>array('label'=>''), 'param'=>array('name'=>''), 'script'=>array('type'=>'text/javascript'), 'textarea'=>array('rows'=>'10', 'cols'=>'50'));
547: if(isset($eAR[$e])){
548:  foreach($eAR[$e] as $k=>$v){
549:   if(!isset($a[$k])){$a[$k] = isset($v[0]) ? $v : $k;}
550:  }
551: }
552: 
553: // depr attrs
554: if($depTr){
555:  $c = array();
556:  foreach($a as $k=>$v){
557:   if($k == 'style' or !isset($aND[$k][$e])){continue;}
558:   if($k == 'align'){
559:    unset($a['align']);
560:    if($e == 'img' && ($v == 'left' or $v == 'right')){$c[] = 'float: '. $v;}
561:    elseif(($e == 'div' or $e == 'table') && $v == 'center'){$c[] = 'margin: auto';}
562:    else{$c[] = 'text-align: '. $v;}
563:   }elseif($k == 'bgcolor'){
564:    unset($a['bgcolor']);
565:    $c[] = 'background-color: '. $v;
566:   }elseif($k == 'border'){
567:    unset($a['border']); $c[] = "border: {$v}px";
568:   }elseif($k == 'bordercolor'){
569:    unset($a['bordercolor']); $c[] = 'border-color: '. $v;
570:   }elseif($k == 'clear'){
571:    unset($a['clear']); $c[] = 'clear: '. ($v != 'all' ? $v : 'both');
572:   }elseif($k == 'compact'){
573:    unset($a['compact']); $c[] = 'font-size: 85%';
574:   }elseif($k == 'height' or $k == 'width'){
575:    unset($a[$k]); $c[] = $k. ': '. ($v[0] != '*' ? $v. (ctype_digit($v) ? 'px' : '') : 'auto');
576:   }elseif($k == 'hspace'){
577:    unset($a['hspace']); $c[] = "margin-left: {$v}px; margin-right: {$v}px";
578:   }elseif($k == 'language' && !isset($a['type'])){
579:    unset($a['language']);
580:    $a['type'] = 'text/'. strtolower($v);
581:   }elseif($k == 'name'){
582:    if($C['no_deprecated_attr'] == 2 or ($e != 'a' && $e != 'map')){unset($a['name']);}
583:    if(!isset($a['id']) && preg_match('`[a-zA-Z][a-zA-Z\d.:_\-]*`', $v)){$a['id'] = $v;}
584:   }elseif($k == 'noshade'){
585:    unset($a['noshade']); $c[] = 'border-style: none; border: 0; background-color: gray; color: gray';
586:   }elseif($k == 'nowrap'){
587:    unset($a['nowrap']); $c[] = 'white-space: nowrap';
588:   }elseif($k == 'size'){
589:    unset($a['size']); $c[] = 'size: '. $v. 'px';
590:   }elseif($k == 'start' or $k == 'value'){
591:    unset($a[$k]);
592:   }elseif($k == 'type'){
593:    unset($a['type']);
594:    static $ol_type = array('i'=>'lower-roman', 'I'=>'upper-roman', 'a'=>'lower-latin', 'A'=>'upper-latin', '1'=>'decimal');
595:    $c[] = 'list-style-type: '. (isset($ol_type[$v]) ? $ol_type[$v] : 'decimal');
596:   }elseif($k == 'vspace'){
597:    unset($a['vspace']); $c[] = "margin-top: {$v}px; margin-bottom: {$v}px";
598:   }
599:  }
600:  if(count($c)){
601:   $c = implode('; ', $c);
602:   $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $c. ';': $c. ';';
603:  }
604: }
605: // unique ID
606: if($C['unique_ids'] && isset($a['id'])){
607:  if(!preg_match('`^[A-Za-z][A-Za-z0-9_\-.:]*$`', ($id = $a['id'])) or (isset($GLOBALS['hl_Ids'][$id]) && $C['unique_ids'] == 1)){unset($a['id']);
608:  }else{
609:   while(isset($GLOBALS['hl_Ids'][$id])){$id = $C['unique_ids']. $id;}
610:   $GLOBALS['hl_Ids'][($a['id'] = $id)] = 1;
611:  }
612: }
613: // xml:lang
614: if($C['xml:lang'] && isset($a['lang'])){
615:  $a['xml:lang'] = isset($a['xml:lang']) ? $a['xml:lang'] : $a['lang'];
616:  if($C['xml:lang'] == 2){unset($a['lang']);}
617: }
618: // for transformed tag
619: if(!empty($trt)){
620:  $a['style'] = isset($a['style']) ? rtrim($a['style'], ' ;'). '; '. $trt : $trt;
621: }
622: // return with empty ele /
623: if(empty($C['hook_tag'])){
624:  $aA = '';
625:  foreach($a as $k=>$v){$aA .= " {$k}=\"{$v}\"";}
626:  return "<{$e}{$aA}". (isset($eE[$e]) ? ' /' : ''). '>';
627: }
628: else{return $C['hook_tag']($e, $a);}
629: // eof
630: }
631: 
632: public static function hl_tag2(&$e, &$a, $t=1){
633: // transform tag
634: if($e == 'center'){$e = 'div'; return 'text-align: center;';}
635: if($e == 'dir' or $e == 'menu'){$e = 'ul'; return '';}
636: if($e == 's' or $e == 'strike'){$e = 'span'; return 'text-decoration: line-through;';}
637: if($e == 'u'){$e = 'span'; return 'text-decoration: underline;';}
638: static $fs = array('0'=>'xx-small', '1'=>'xx-small', '2'=>'small', '3'=>'medium', '4'=>'large', '5'=>'x-large', '6'=>'xx-large', '7'=>'300%', '-1'=>'smaller', '-2'=>'60%', '+1'=>'larger', '+2'=>'150%', '+3'=>'200%', '+4'=>'300%');
639: if($e == 'font'){
640:  $a2 = '';
641:  while(preg_match('`(^|\s)(color|size)\s*=\s*(\'|")?(.+?)(\\3|\s|$)`i', $a, $m)){
642:   $a = str_replace($m[0], ' ', $a);
643:   $a2 .= strtolower($m[2]) == 'color' ? (' color: '. str_replace('"', '\'', trim($m[4])). ';') : (isset($fs[($m = trim($m[4]))]) ? ($a2 .= ' font-size: '. str_replace('"', '\'', $fs[$m]). ';') : '');
644:  }
645:  while(preg_match('`(^|\s)face\s*=\s*(\'|")?([^=]+?)\\2`i', $a, $m) or preg_match('`(^|\s)face\s*=(\s*)(\S+)`i', $a, $m)){
646:   $a = str_replace($m[0], ' ', $a);
647:   $a2 .= ' font-family: '. str_replace('"', '\'', trim($m[3])). ';';
648:  }
649:  $e = 'span'; return ltrim(str_replace('<', '', $a2));
650: }
651: if($t == 2){$e = 0; return 0;}
652: return '';
653: // eof
654: }
655: 
656: public static function hl_tidy($t, $w, $p){
657: // Tidy/compact HTM
658: if(strpos(' pre,script,textarea', "$p,")){return $t;}
659: $t = preg_replace('`\s+`', ' ', preg_replace_callback(array('`(<(!\[CDATA\[))(.+?)(\]\]>)`sm', '`(<(!--))(.+?)(-->)`sm', '`(<(pre|script|textarea)[^>]*?>)(.+?)(</\2>)`sm'), create_function('$m', 'return $m[1]. str_replace(array("<", ">", "\n", "\r", "\t", " "), array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), $m[3]). $m[4];'), $t));
660: if(($w = strtolower($w)) == -1){
661:  return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
662: }
663: $s = strpos(" $w", 't') ? "\t" : ' ';
664: $s = preg_match('`\d`', $w, $m) ? str_repeat($s, $m[0]) : str_repeat($s, ($s == "\t" ? 1 : 2));
665: $N = preg_match('`[ts]([1-9])`', $w, $m) ? $m[1] : 0;
666: $a = array('br'=>1);
667: $b = array('button'=>1, 'input'=>1, 'option'=>1, 'param'=>1);
668: $c = array('caption'=>1, 'dd'=>1, 'dt'=>1, 'h1'=>1, 'h2'=>1, 'h3'=>1, 'h4'=>1, 'h5'=>1, 'h6'=>1, 'isindex'=>1, 'label'=>1, 'legend'=>1, 'li'=>1, 'object'=>1, 'p'=>1, 'pre'=>1, 'td'=>1, 'textarea'=>1, 'th'=>1);
669: $d = array('address'=>1, 'blockquote'=>1, 'center'=>1, 'colgroup'=>1, 'dir'=>1, 'div'=>1, 'dl'=>1, 'fieldset'=>1, 'form'=>1, 'hr'=>1, 'iframe'=>1, 'map'=>1, 'menu'=>1, 'noscript'=>1, 'ol'=>1, 'optgroup'=>1, 'rbc'=>1, 'rtc'=>1, 'ruby'=>1, 'script'=>1, 'select'=>1, 'table'=>1, 'tbody'=>1, 'tfoot'=>1, 'thead'=>1, 'tr'=>1, 'ul'=>1);
670: $T = explode('<', $t);
671: $X = 1;
672: while($X){
673:  $n = $N;
674:  $t = $T;
675:  ob_start();
676:  if(isset($d[$p])){echo str_repeat($s, ++$n);}
677:  echo ltrim(array_shift($t));
678:  for($i=-1, $j=count($t); ++$i<$j;){
679:   $r = ''; list($e, $r) = explode('>', $t[$i]);
680:   $x = $e[0] == '/' ? 0 : (substr($e, -1) == '/' ? 1 : ($e[0] != '!' ? 2 : -1));
681:   $y = !$x ? ltrim($e, '/') : ($x > 0 ? substr($e, 0, strcspn($e, ' ')) : 0);
682:   $e = "<$e>"; 
683:   if(isset($d[$y])){
684:    if(!$x){
685:     if($n){echo "\n", str_repeat($s, --$n), "$e\n", str_repeat($s, $n);}
686:     else{++$N; ob_end_clean(); continue 2;}
687:    }
688:    else{echo "\n", str_repeat($s, $n), "$e\n", str_repeat($s, ($x != 1 ? ++$n : $n));}
689:    echo $r; continue;
690:   }
691:   $f = "\n". str_repeat($s, $n);
692:   if(isset($c[$y])){
693:    if(!$x){echo $e, $f, $r;}
694:    else{echo $f, $e, $r;}
695:   }elseif(isset($b[$y])){echo $f, $e, $r;
696:   }elseif(isset($a[$y])){echo $e, $f, $r;
697:   }elseif(!$y){echo $f, $e, $f, $r;
698:   }else{echo $e, $r;}
699:  }
700:  $X = 0;
701: }
702: $t = str_replace(array("\n ", " \n"), "\n", preg_replace('`[\n]\s*?[\n]+`', "\n", ob_get_contents()));
703: ob_end_clean();
704: if(($l = strpos(" $w", 'r') ? (strpos(" $w", 'n') ? "\r\n" : "\r") : 0)){
705:  $t = str_replace("\n", $l, $t);
706: }
707: return str_replace(array("\x01", "\x02", "\x03", "\x04", "\x05", "\x07"), array('<', '>', "\n", "\r", "\t", ' '), $t);
708: // eof
709: }
710: 
711: public static function hl_version(){
712: // rel
713: return '1.1.22';
714: // eof
715: }
716: 
717: public static function kses($t, $h, $p=array('http', 'https', 'ftp', 'news', 'nntp', 'telnet', 'gopher', 'mailto')){
718: // kses compat
719: foreach($h as $k=>$v){
720:  $h[$k]['n']['*'] = 1;
721: }
722: $C['cdata'] = $C['comment'] = $C['make_tag_strict'] = $C['no_deprecated_attr'] = $C['unique_ids'] = 0;
723: $C['keep_bad'] = 1;
724: $C['elements'] = count($h) ? strtolower(implode(',', array_keys($h))) : '-*';
725: $C['hook'] = '\DataTables\Vendor\htmLawed::kses_hook';
726: $C['schemes'] = '*:'. implode(',', $p);
727: return \DataTables\Vendor\htmLawed::hl($t, $C, $h);
728: // eof
729: }
730: 
731: public static function kses_hook($t, &$C, &$S){
732: // kses compat
733: return $t;
734: // eof
735: }
736: // end class
737: }
738: