dokuwiki-gnuplot-plugin – Diff between revs 1 and 2

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 <?php
 /**
  * plot-Plugin: Parses gnuplot-blocks
+ *
  * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Wizardry and Steamworks <wizardry.steamworks@outlook.com>,
- * @author     Alexander 'E-Razor' Krause <alexander.krause@erazor-zone.de>
+ *             Alexander 'E-Razor' Krause <alexander.krause@erazor-zone.de>
+ *
+ * [WaS] The following plugin is a revision of the GNUplot Plugin by
+ * Alexander 'E-Razor' Krause from 2005 that uses the original gnuplot binary
+ * in order to render graphs that has been patched up to work on modern
+ * DokuWki versions.
+ *
  */
 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../../').'/');
 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
 require_once(DOKU_PLUGIN.'syntax.php');
-if (!is_callable("file_put_contents")) {
-  @require_once('/usr/lib/php/PHP/Compat/Function/file_put_contents.php');
-  if (!is_callable("file_put_contents")) {
-    echo 'Please install dev-php/PEAR-PHP_Compat or >=php-5.0.0 !';
-  }
-}
 /**
  * All DokuWiki plugins to extend the parser/rendering mechanism
  * need to inherit from this class
  */
-class syntax_plugin_plot extends DokuWiki_Syntax_Plugin {
-     function getInfo(){
-        return array(
-            'author' => 'Alexander Krause',
-            'email'  => 'alexander.krause@erazor-zone.de',
-            'date'   => '2006-05-23',
-            'name'   => 'Plot Plugin',
-            'desc'   => 'render functions nicely',
-            'url'    => 'http://wiki.erazor-zone.de/doku.php?id=wiki:projects:php:dokuwiki:plugins:plot'
-        );
-    }
+class syntax_plugin_plot extends DokuWiki_Syntax_Plugin {
-  /**
+    /**
-  * What kind of syntax are we?
+    * What kind of syntax are we?
-  */
+    */
-  function getType(){
+    //function accepts($m) { return true; }
-    return 'protected';
-  }
-  /**
+    function getType() { return 'protected'; }
-  * Where to sort in?
-  */
+    function getPType() { return 'normal'; }
-  function getSort(){
-    return 100;
-  }
     function getSort() { return 200; }
     /**
      * Connect pattern to lexer
      */
     function connectTo($mode) {
-        $this->Lexer->addEntryPattern('<plot(?=.*\x3C/plot\x3E)',$mode,'plugin_plot');
+        $this->Lexer->addEntryPattern('<plot(?=.*\x3C/plot\x3E)', $mode, 'plugin_plot');
+    }
     function postConnect() {
-      $this->Lexer->addExitPattern('</plot>','plugin_plot');
+        $this->Lexer->addExitPattern('</plot>', 'plugin_plot');
+    }
     /**
-     * Handle the match
-     */
      * Handle the match
      */
     function handle($match, $state, $pos, Doku_Handler $handler) {
       if ( $state == DOKU_LEXER_UNMATCHED ) {
-        $matches = preg_split('/>/u',$match,2);
+        $matches = preg_split('/>/u', $match, 2);
         $matches[0] = trim($matches[0]);
         if ( trim($matches[0]) == '' ) {
           $matches[0] = NULL;
+        }
         return array($matches[1],$matches[0]);
+      }
-      return TRUE;
+      return array($state, '', '');
+    }
     /**
      * Create output
      */
     function render($mode, Doku_Renderer $renderer, $data) {
+      global $conf;
-      global $conf;
+      if($mode == 'xhtml' && strlen($data[0]) > 1) {
+        if ( !is_dir($conf['mediadir'] . '/plot') ) {
+            mkdir($conf['mediadir'] . '/plot', 0777 - $conf['dmask']);
       if($mode == 'xhtml' && strlen($data[0]) > 1) {
         if ( !is_dir($conf['mediadir'] . '/plot') ) mkdir($conf['mediadir'] . '/plot', 0777-$conf['dmask']);
         $hash = md5(serialize($data[0]));
        } else {
           $renderer->doc .= '**ERROR RENDERING GNUPLOT**';
+        }
         return true;
+      }
       return false;
+    }
-    function createImage($filename, &$data) {
-      global $conf;
     function createImage($filename, &$data) {
       $tmpfname = tempnam("/tmp", "dokuwiki.plot");
     function plugin_render($text, $format='xhtml') {
       return p_render($format, p_get_instructions($text),$info);
+    }
+}