Initial Commit

database/php/pear/Text/Wiki/Parse/Default/Paragraph.php

@@ -0,0 +1,116 @@
+<?php
+
+/**
+* 
+* Parses for paragraph blocks.
+* 
+* @category Text
+* 
+* @package Text_Wiki
+* 
+* @author Paul M. Jones <pmjones@php.net>
+* 
+* @license LGPL
+* 
+* @version $Id: Paragraph.php 286814 2009-08-04 17:03:17Z rodrigosprimo $
+* 
+*/
+
+/**
+* 
+* 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;
+        $skip = $this->getConf('skip', array());
+        
+        // was anything there?
+        if (trim($matches[0]) == '') {
+            return '';
+        }
+        
+        // does the match has tokens inside?
+        preg_match_all("/(?:$delim)(\d+?)(?:$delim)/", $matches[0], $delimiters, PREG_SET_ORDER);
+
+        // look each delimiter inside the match and see if it's skippable
+        // (if we skip, it will not be marked as a paragraph)
+        foreach ($delimiters as $d) {
+            $token_type = strtolower($this->wiki->tokens[$d[1]][0]);
+            if (in_array($token_type, $skip)) {
+                return $matches[0];
+            }
+        }
+
+        // if there is no skipable token inside the match
+        // add the Paragraph token and return
+        $start = $this->wiki->addToken(
+            $this->rule, array('type' => 'start')
+        );
+        
+        $end = $this->wiki->addToken(
+            $this->rule, array('type' => 'end')
+        );
+        
+        return $start . trim($matches[0]) . $end;
+    }
+}
+?>