BBCode-Parser neu geschrieben.

1 files changed, 74 insertions, 184 deletions

diff --git a/code/bbcode.inc.php b/code/bbcode.inc.php
index 5d213f4..b5e0b05 100644
--- a/code/bbcode.inc.php
+++ b/code/bbcode.inc.php
@@ -1,201 +1,91 @@
 <?PHP
   class BBCode {
-    function Parse($input) {
-      $tags = '';
-      $tl = 0;
-      $tmpok = '';
-      $tmpnok = '';
-      $tmptag = '';
-      $tmpend = '';
-      $tmplist = '';
-      $lists = '';
+    var $codes;
+    
+    
+    function BBCode() {
+      $b = array('starttag' => '\[b\]', 'endtag' => '\[/b\]',
+                 'starthtml' => '<span style="font-weight:bold">', 'endhtml' => '</span>',
+                 'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2));
+      $u = array('starttag' => '\[u\]', 'endtag' => '\[/u\]',
+                 'starthtml' => '<span style="text-decoration:underline">', 'endhtml' => '</span>',
+                 'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2));
+      $i = array('starttag' => '\[i\]', 'endtag' => '\[/i\]',
+                 'starthtml' => '<span style="font-style:italic">', 'endhtml' => '</span>',
+                 'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2));
+      $color = array('starttag' => '\[color=([A-Za-z]+|#(?:[\dA-Fa-f]{3}){1,2}?|rgb\((?:100%|\d?\d%),(?:100%|\d?\d%),(?:100%|\d?\d%)\)|rgb\((?:1?\d?\d|2(?:[0-4]\d|5[0-5])),(?:1?\d?\d|2(?:[0-4]\d|5[0-5])),(?:1?\d?\d|2(?:[0-4]\d|5[0-5]))\))\]', 'endtag' => '\[/color\]',
+                     'starthtml' => '<span style="color:$1">', 'endhtml' => '</span>',
+                     'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2));
+      $img = array('starttag' => '\[img\]([^\[]*)\[/img\]', 'starthtml' => '<img src="$1" />');
+      $url1 = array('starttag' => '\[url\]([^\[]*)\[/url\]', 'starthtml' => '<a href="$1">$1</a>)');
+      $url2 = array('starttag' => '\[url=([^\]]*)\]', 'endtag' => '\[/url\]',
+                    'starthtml' => '<a href="$1">', 'endhtml' => '</a>',
+                    'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2));
+      $list1 = array('starttag' => '\[list\]\s*\[\*\]', 'endtag' => '\[/list\]',
+                     'starthtml' => '<ul><li>', 'endhtml' => '</li></ul>',
+                     'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2, &$list1, &$list2, &$list3, &$star));
+      $list2 = array('starttag' => '\[list=1\]\s*\[\*\]', 'endtag' => '\[/list\]',
+                     'starthtml' => '<ol style="list-style-type:decimal"><li>', 'endhtml' => '</li></ol>',
+                     'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2, &$list1, &$list2, &$list3, &$star));
+      $list3 = array('starttag' => '\[list=a\]\s*\[\*\]', 'endtag' => '\[/list\]',
+                     'starthtml' => '<ol style="list-style-type:lower-alpha"><li>', 'endhtml' => '</li></ol>',
+                     'children' => array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2, &$list1, &$list2, &$list3, &$star));
+      $star = array('starttag' => '\[\*\]', 'starthtml' => '</li><li>');
       
-      $input = strtr($input, array('<' => '&lt;', '>' => '&gt;', '&' => '&amp;', '"' => '&quot;', "\n" => '<br />', "\r" => ''));
-      if($input[0] == '[') {
-      	strtok(' ' . $input, '[');
-        $out = '';
-      }
-      else $out = strtok($input, '[');
+      $this->codes = array(&$b, &$u, &$i, &$color, &$img, &$url1, &$url2, &$list1, &$list2, &$list3);
+    }
+    
+    function Parse($data) {
+      $data = htmlentities($data);
+      $out = '';
+      $tags = array();
       
-      while($part = strtok('[')) {
-        if($tmpok) {
-          if(substr($part, 0, strlen($tmpend)) == $tmpend) {
-            $out .= $tmpok . substr($part, strlen($tmpend));
-            $tags = $tmptag . $tags;
-            $lists = $tmplist . $lists;
-            $tl = strcspn($tags, ']');
-            $tmpok = '';
-            $tmpnok = '';
-            $tmptag = '';
-            $tmpend = '';
-            $tmplist = '';
-            continue;
-          }
-          else {
-            $out .= '[' . $tmpnok;
-            $tmpok = '';
-            $tmpnok = '';
-            $tmptag = '';
-            $tmpend = '';
-            $tmplist = '';
-          }
-        }
-        
-        if(substr($part, 0, 2) == 'b]') {
-          $out .= '<span style="font-weight:bold">' . substr($part, 2);
-          $tags = '[/b]' . $tags;
-        }
-        elseif(substr($part, 0, 2) == 'i]') {
-          $out .= '<span style="font-style:italic">' . substr($part, 2);
-          $tags = '[/i]' . $tags;
-        }
-        elseif(substr($part, 0, 2) == 'u]') {
-          $out .= '<span style="text-decoration:underline">' . substr($part, 2);
-          $tags = '[/u]' . $tags;
-        }
-        elseif(substr($part, 0, 5) == 'size=') {
-          $size = intval(substr($part, 5));
-          if($size == 9 && $part[6] == ']') {
-            $out .= '<span style="font-size:9pt">' . substr($part, 7);
-            $tags = '[/size]' . $tags;
-          }
-          elseif(($size >= 10 && $size <= 24) && $part[7] == ']') {
-            $out .= '<span style="font-size:' . $size . 'pt">' . substr($part, 8);
-            $tags = '[/size]' . $tags;
-          }
-          else $out .= '[' . $part;
-        }
-        elseif(substr($part, 0, 6) == 'color=') {
-          $l = strspn(substr($part, 6), 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890#(),%');
-          if($part[$l+6] == ']') {
-            $out .= '<span style="color:' . substr($part, 6, $l) . '">' . substr($part, $l+7);
-            $tags = '[/color]' . $tags;
-          }
-          else $out .= '[' . $part;
-        }
-        elseif(substr($part, 0, 5) == 'code]') {
-          $out .= '<div class="bbcode_code"><span class="bbcode_code_caption">Code:</span><div class="bbode_code_text">' . substr($part, 5);
-          $tags = '[/code]' . $tags;
-        }
-        elseif(substr($part, 0, 4) == 'url]') {
-          $tmpok = '<a href="' . substr($part, 4) . '">' . substr($part, 4) . '</a>';
-          $tmpnok = $part;
-          $tmpend = '/url]';
-        }
-        elseif(substr($part, 0, 4) == 'url=') {
-          $l = strcspn(substr($part, 4), '[] ');
-          if($part[$l+4] == ']') {
-            $out .= '<a href="' . substr($part, 4, $l) . '">' . substr($part, $l+5);
-            $tags = '[/url]' . $tags;
-          }
-          else $out .= '[' . $part;
-        }
-        elseif(substr($part, 0, 6) == 'email]') {
-          $tmpok = '<a href="mailto:' . substr($part, 6) . '">' . substr($part, 6) . '</a>';
-          $tmpnok = $part;
-          $tmpend = '/email]';
-        }
-        elseif(substr($part, 0, 6) == 'email=') {
-          $l = strcspn(substr($part, 6), '[] ');
-          if($part[$l+6] == ']') {
-            $out .= '<a href="mailto:' . substr($part, 6, $l) . '">' . substr($part, $l+7);
-            $tags = '[/email]' . $tags;
-          }
-          else $out .= '[' . $part;
-        }
-        elseif(substr($part, 0, 4) == 'img]') {
-          $tmpok = '<img src="images/' . substr($part, 4) . '.jpg" alt="" />';
-          $tmpnok = $part;
-          $tmpend = '/img]';
-        }
-        elseif(substr($part, 0, 5) == 'list]') {
-          $tmpok = substr($part, 5) . '<ul><li>';
-          $tmpnok = $part;
-          $tmptag = '[/list]';
-          $tmpend = '*]';
-          $tmplist = 'u';
-        }
-        elseif(substr($part, 0, 7) == 'list=1]') {
-          $tmpok = substr($part, 7) . '<ol style="list-style-type:decimal"><li>';
-          $tmpnok = $part;
-          $tmptag = '[/list]';
-          $tmpend = '*]';
-          $tmplist = 'o';
-        }
-        elseif(substr($part, 0, 7) == 'list=a]') {
-          $tmpok = substr($part, 7) . '<ol style="list-style-type:lower-latin"><li>';
-          $tmpnok = $part;
-          $tmptag = '[/list]';
-          $tmpend = '*]';
-          $tmplist = 'o';
-        }
-        elseif(substr($part, 0, 2) == '*]') {
-          if(substr($tags, 0, 7) == '[/list]') $out .= '</li><li>' . substr($part, 2);
-          else $out .= '[' . $part;
-        }
-        elseif($tl && substr($part, 0, $tl) == substr($tags, 1, $tl)) {
-          $tags = substr($tags, $tl+1);
+      while(true) {
+        if($tags && preg_match('(^([^\[]*)' . $tags[count($tags)-1]['endtag'] . '(.*)$)s', $data, $match)) {
+          $out .= $match[1] . $tags[count($tags)-1]['endhtml'];
           
-          switch(substr($part, 1, $tl-2)) {
-            case 'b':
-            case 'i':
-            case 'u':
-            case 'size':
-            case 'color':
-              $out .= '</span>';
-              break;
-            case 'url':
-            case 'email':
-              $out .= '</a>';
-              break;
-            case 'code':
-              $out .= '</div></div>';
-              break;
-            case 'list':
-              $out .= '</li></' . $lists[0] . 'l>';
-              $lists = substr($lists, 1);
-          }
+          $data = $match[count($match)-1];
+          
+          array_pop($tags);
           
-          $out .= substr($part, $tl);
+          continue;
         }
-        else $out .= '[' . $part;
         
-        $tl = strcspn($tags, ']');
-      }
-      
-      if($tmpok) $out .= '[' . $tmpnok;
-      
-      $part = strtok($tags, '[');
-      
-      while($part) {
-        $tags = substr($tags, $tl+1);
-          
-        switch(substr($part, 1, $tl-2)) {
-          case 'b':
-          case 'i':
-          case 'u':
-          case 'size':
-          case 'color':
-            $out .= '</span>';
-            break;
-          case 'url':
-          case 'email':
-            $out .= '</a>';
-            break;
-          case 'code':
-            $out .= '</blockcode></div>';
+        if($tags) $codes = &$tags[count($tags)-1]['children'];
+        else $codes = &$this->codes;
+        
+        $found = false;
+        
+        foreach($codes as $code) {
+          if(preg_match('(^([^\[]*)(' . $code['starttag'] . ')(.*)$)s', $data, $match)) {
+            $out .= $match[1];
+            $out .= preg_replace('(^' . $code['starttag'] . '$)s', $code['starthtml'], $match[2]);
+            
+            $data = $match[count($match)-1];
+            
+            if($code['endtag'])
+              array_push($tags, $code);
+            
+            $found = true;
+            
             break;
-          case 'list':
-            $out .= '</li></' . $lists[0] . 'l>';
-            $lists = substr($lists, 1);
+          }
         }
         
-        $tl = strcspn($tags, ']');
+        if($found) continue;
+        
+        if(!preg_match('(^([^\[]*)\[(.*)$)s', $data, $match)) break;
         
-        $part = strtok('[');
+        $out .= $match[1] . '[';
+        $data = $match[2];
       }
       
-      return $out;
+      $out .= $data;
+      
+      while($tag = array_pop($tags))
+        $out .= $tag['endhtml'];
+      
+      return strtr($out, array("\n" => '<br />', "\r" => ''));
     }
   }