NP_Wikistyle/trunk/NP_Wikistyle.php

   1 <?php
   2 // plugin needs to work on Nucleus versions <=2.0 as well
   3 if (!function_exists('removeBreaks')) {
   4         function removeBreaks($var)
   5         {
   6                 return preg_replace("/<br \/>([\r\n])/", "$1", $var);
   7         }
   8 }
   9
  10
  11 class NP_Wikistyle extends NucleusPlugin {
  12
  13         function getName()
  14         {
  15                 return 'Wikistyle';
  16         }
  17
  18         function getAuthor()
  19         {
  20                 return 'nakahara21';
  21         }
  22
  23         function getURL()
  24         {
  25                 return 'http://nakahara21.com';
  26         }
  27
  28         function getVersion()
  29         {
  30                 return '0.51';
  31         }
  32
  33         function getDescription()
  34         {
  35                 return 'convert WikiTag';
  36         }
  37
  38         function supportsFeature($what) {
  39                 switch($what){
  40                         case 'SqlTablePrefix':
  41                                 return 1;
  42                         default:
  43                                 return 0;
  44                 }
  45         }
  46
  47         function getEventList()
  48         {
  49                 return array(
  50                                         'PreItem'
  51                                 );
  52         }
  53
  54         function event_PreItem(&$data)
  55         {
  56                 $this->currentItem =& $data["item"];
  57                 $this->convert_wikitag($this->currentItem->body);
  58                 if ($this->currentItem->more) {
  59                         $this->convert_wikitag($this->currentItem->more);
  60                 }
  61         }
  62
  63         function convert_wikitag(&$text)
  64         {
  65                 $text = removeBreaks($text);
  66                 $tmp_lines = explode("\n", $text);
  67                 $tmp_lines[] = "&nbsp;";
  68                 $text = "";
  69                 $level = array();
  70                 $templevel = array();
  71
  72                 $endline = count($tmp_lines) - 1;
  73                 for ($i=0;$i<=$endline;$i++) {
  74 //                      $tmp_lines[$i] = trim($tmp_lines[$i]);
  75                         $level = '';
  76                 //__________
  77                 $replaceFrom = array(
  78                         '/([^:\/\/\w]|^)((https:\/\/)([\w\.-]+)([\/\w+\.~%&?@=_:;#,-]+))/ie',
  79                         '/([^:\/\/\w]|^)((http:\/\/|www\.)([\w\.-]+)([\/\w+\.~%&?@=_:;#,-]+))/ie',
  80                         '/([^:\/\/\w]|^)((ftp:\/\/|ftp\.)([\w\.-]+)([\/\w+\.~%&?@=_:;#,-]+))/ie',
  81                         '/([^:\/\/\w]|^)(mailto:(([a-zA-Z\@\%\.\-\+_])+))/ie'
  82                 );
  83                 $replaceTo = array(
  84                         '$this->createLinkCodeWiki("\\1", "\\2","https")',
  85                         '$this->createLinkCodeWiki("\\1", "\\2","http")',
  86                         '$this->createLinkCodeWiki("\\1", "\\2","ftp")',
  87                         '$this->createLinkCodeWiki("\\1", "\\3","mailto")'
  88                 );
  89
  90                         if ($level[p] = preg_match('/^(https:\/\/|http:\/\/|www\.|ftp:\/\/|ftp\.|mailto:)/ie', $tmp_lines[$i])) {
  91                                 $tmp_lines[$i] = preg_replace($replaceFrom, $replaceTo, $tmp_lines[$i]);
  92                                 $text .= $tmp_lines[$i] . '<br />';
  93                         }
  94                 //__________
  95                         if (($level[h] = strspn($tmp_lines[$i], '*')) > 6) {
  96                                 $level[h] = 6; // limitation ;(
  97                         }
  98                         if ($level[h]) {
  99                                 $tmp_lines[$i] = ltrim(substr($tmp_lines[$i], $level[h]));
 100                                 $text .= '<h' . intval($level[h]) . ' class="wiki">' . $tmp_lines[$i] . '</h' . intval($level[h]) . '>';
 101                         }
 102                 //__________
 103                         if (($level[u] = strspn($tmp_lines[$i], '-')) > 3) {
 104                                 $level[r] = 4;
 105                                 $level[u] = 3; // limitation ;(
 106                         }
 107                         if ($level[u] && !$level[r]) {
 108                                 $tmp_lines[$i] = ltrim(substr($tmp_lines[$i], $level[u]));
 109 //                              $tmp_lines[$i] = '<li>' . $tmp_lines[$i] . '</li>';
 110 //_-------------
 111                                 if ($temptoplevel == 'u' && $templevel[o]) {
 112                                         $tmp_lines[$i] = str_repeat("</ol>\n",$templevel[o]) . "\n" . '<li>' . $tmp_lines[$i] . '</li>';
 113                                         $templevel[o] = 0;
 114                                 }else{
 115                                         $tmp_lines[$i] = '<li>' . $tmp_lines[$i] . '</li>';
 116                                 }
 117 //_-------------
 118
 119                                 $difflevel = $level[u] - $templevel[u];
 120                                 if ($difflevel < 0) {
 121                                         $text .= str_repeat("</ul>\n", 0 - $difflevel);
 122                                 }
 123                                 if ( $difflevel > 0) {
 124                                         $text .= str_repeat("<ul>\n", $difflevel);
 125                                 }
 126
 127                                 $text .= $tmp_lines[$i];
 128                                 if (!array_sum($templevel)) {
 129                                         $temptoplevel = 'u';
 130                                 }
 131                                 $templevel[u] = $level[u];
 132                         }
 133                 //__________
 134                         if ($level[r]) {
 135                                 $tmp_lines[$i] = ltrim(substr($tmp_lines[$i], $level[r]));
 136                                 $text .= '<div class="hr"><hr /></div>';
 137                         }
 138                 //__________
 139                         if (($level[o] = strspn($tmp_lines[$i],'+')) > 3) {
 140                                 $level[o] = 3; // limitation ;(
 141                         }
 142                         if ($level[o]) {
 143                                 $tmp_lines[$i] = ltrim(substr($tmp_lines[$i], $level[o]));
 144
 145 //                              $tmp_lines[$i] = '<li>' . $tmp_lines[$i] . '</li>';
 146 //_-------------
 147                                 if ($temptoplevel == 'o' && $templevel[u]) {
 148                                         $tmp_lines[$i] = str_repeat("</ul>\n", $templevel[u]) . "\n" . '<li>' . $tmp_lines[$i] . '</li>';
 149                                         $templevel[u] = 0;
 150                                 } else {
 151                                         $tmp_lines[$i] = '<li>' . $tmp_lines[$i] . '</li>';
 152                                 }
 153 //_-------------
 154
 155                                 $difflevel = $level[o] - $templevel[o];
 156                                 if ($difflevel < 0) {
 157                                         $text .= str_repeat("</ol>\n", 0 - $difflevel);
 158                                 }
 159                                 if ( $difflevel > 0) {
 160                                         $text .= str_repeat("<ol>\n", $difflevel);
 161                                 }
 162
 163                                 $text .= $tmp_lines[$i];
 164                                 if (!array_sum($templevel)) {
 165                                         $temptoplevel = 'o';
 166                                 }
 167                                 $templevel[o] = $level[o];
 168                         }
 169                 //__________
 170                         if (array_sum($level) == 0) {
 171                                 if (array_sum($templevel)) {
 172                                         if ($templevel[u]) {
 173                                                 $text .= str_repeat("</ul>\n", $templevel[u]);
 174                                         }
 175                                         if ($templevel[o]) {
 176                                                 $text .= str_repeat("</ol>\n", $templevel[o]);
 177                                         }
 178                                         $templevel = array();
 179                                         $temptoplevel = '';
 180                                 }
 181                                 if ($tmp_lines[$i] && $i != $endline) {
 182                                         $text .= $tmp_lines[$i]."<br />";
 183                                 }
 184                         }
 185                         if ($tmp_lines[$i] && $i != $endline) {
 186                                 $text .= "\n";
 187                         }
 188                 }
 189         }
 190
 191         function createLinkCodeWiki($pre, $url, $protocol = 'http')
 192         {
 193                 $post = '';
 194
 195                 // it's possible that $url ends with an entities
 196                 // since htmlspecialchars is applied before URL linking
 197                 if (preg_match('/(&\w+;)+$/i', $url, $matches)) {
 198                         $post = $matches[0];    // found entities (1 or more)
 199                         $url = substr($url, 0, strlen($url) - strlen($post));
 200                 }
 201
 202                 if (!ereg('^'.$protocol.'://',$url)) {
 203                         $linkedUrl = $protocol . (($protocol == 'mailto') ? ':' : '://') . $url;
 204                 } else {
 205                         $linkedUrl = $url;
 206                 }
 207
 208
 209                 if ($protocol != 'mailto') {
 210                         $displayedUrl = $linkedUrl;
 211                 } else {
 212                         $displayedUrl = $url;
 213                 }
 214                 return $pre . '<a href="' . htmlspecialchars($linkedUrl) . '" target="_blank">' . htmlspecialchars($displayedUrl) . '</a>' . $post;
 215         }
 216
 217
 218 }
 219 ?>