--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/wikiengine/Parse/Mediawiki/Paragraph.php	Wed Jun 13 16:07:17 2007 -0400
@@ -0,0 +1,146 @@
+<?php
+
+/**
+* 
+* Parses for paragraph blocks.
+* 
+* @category Text
+* 
+* @package Text_Wiki
+* 
+* @author Paul M. Jones <pmjones@php.net>
+* 
+* @license LGPL
+* 
+* @version $Id: Paragraph.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
+* 
+*/
+
+/**
+* 
+* Parses for paragraph blocks.
+* 
+* This class implements a Text_Wiki rule to find sections of the source
+* text that are paragraphs.  A para is any line not starting with a token
+* delimiter, followed by two newlines.
+*
+* @category Text
+* 
+* @package Text_Wiki
+* 
+* @author Paul M. Jones <pmjones@php.net>
+* 
+*/
+
+class Text_Wiki_Parse_Paragraph extends Text_Wiki_Parse {
+    
+    /**
+    * 
+    * The regular expression used to find source text matching this
+    * rule.
+    * 
+    * @access public
+    * 
+    * @var string
+    * 
+    */
+    
+    var $regex = "/^.*?\n\n/m";
+    
+    var $conf = array(
+        'skip' => array(
+            'blockquote', // are we sure about this one?
+            'code',
+            'heading',
+            'horiz',
+            'deflist',
+            'table',
+            'list',
+            'toc'
+        )
+    );
+    
+    
+    /**
+    * 
+    * Generates a token entry for the matched text.  Token options are:
+    * 
+    * 'start' => The starting point of the paragraph.
+    * 
+    * 'end' => The ending point of the paragraph.
+    * 
+    * @access public
+    *
+    * @param array &$matches The array of matches from parse().
+    *
+    * @return A delimited token number to be used as a placeholder in
+    * the source text.
+    *
+    */
+    
+    function process(&$matches)
+    {
+        $delim = $this->wiki->delim;
+        
+        // was anything there?
+        if (trim($matches[0]) == '') {
+            return '';
+        }
+        
+        // does the match start with a delimiter?
+        if (substr($matches[0], 0, 1) != $delim) { 
+            // no.
+            
+            $start = $this->wiki->addToken(
+                $this->rule, array('type' => 'start')
+            );
+            
+            $end = $this->wiki->addToken(
+                $this->rule, array('type' => 'end')
+            );
+            
+            return $start . trim($matches[0]) . $end;
+        }
+        
+        // the line starts with a delimiter.  read in the delimited
+        // token number, check the token, and see if we should
+        // skip it.
+        
+        // loop starting at the second character (we already know
+        // the first is a delimiter) until we find another
+        // delimiter; the text between them is a token key number.
+        $key = '';
+        $len = strlen($matches[0]);
+        for ($i = 1; $i < $len; $i++) {
+            $char = $matches[0]{$i};
+            if ($char == $delim) {
+                break;
+            } else {
+                $key .= $char;
+            }
+        }
+        
+        // look at the token and see if it's skippable (if we skip,
+        // it will not be marked as a paragraph)
+        $token_type = strtolower($this->wiki->tokens[$key][0]);
+        $skip = $this->getConf('skip', array());
+        
+        if (in_array($token_type, $skip)) {
+            // this type of token should not have paragraphs applied to it.
+            // return the entire matched text.
+            return $matches[0];
+        } else {
+            
+            $start = $this->wiki->addToken(
+                $this->rule, array('type' => 'start')
+            );
+            
+            $end = $this->wiki->addToken(
+                $this->rule, array('type' => 'end')
+            );
+            
+            return $start . trim($matches[0]) . $end;
+        }
+    }
+}
+?>
\ No newline at end of file