[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * The MIME_Viewer_webcpp class renders out various content
   4   * in HTML format by using Web C Plus Plus.
   5   *
   6   * Web C Plus plus: http://webcpp.sourceforge.net/
   7   *
   8   * $Horde: framework/MIME/MIME/Viewer/webcpp.php,v 1.11.10.8 2006/01/01 21:28:25 jan Exp $
   9   *
  10   * Copyright 2002-2006 Mike Cochrane <mike@graftonhall.co.nz>
  11   *
  12   * See the enclosed file COPYING for license information (LGPL). If you
  13   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  14   *
  15   * @author  Mike Cochrane <mike@graftonhall.co.nz>
  16   * @since   Horde 3.0
  17   * @package Horde_MIME_Viewer
  18   */
  19  class MIME_Viewer_webcpp extends MIME_Viewer {
  20  
  21      /**
  22       * Render out the currently set contents using Web C Plus Plus.
  23       *
  24       * @param array $params  Any parameters the Viewer may need.
  25       *
  26       * @return string  The rendered contents.
  27       */
  28      function render($params = array())
  29      {
  30          global $mime_drivers;
  31  
  32          require_once 'Horde/MIME/Contents.php';
  33          $attachment = MIME_Contents::viewAsAttachment();
  34  
  35          /* Check to make sure the program actually exists. */
  36          if (!file_exists($mime_drivers['horde']['webcpp']['location'])) {
  37              return '<pre>' . sprintf(_("The program used to view this data type (%s) was not found on the system."), $mime_drivers['horde']['webcpp']['location']) . '</pre>';
  38          }
  39  
  40          /* Create temporary files for Webcpp. */
  41          $tmpin  = Horde::getTempFile('WebcppIn');
  42          $tmpout = Horde::getTempFile('WebcppOut');
  43  
  44          /* Write the contents of our buffer to the temporary input file. */
  45          $contents = $this->mime_part->getContents();
  46          $fh = fopen($tmpin, 'wb');
  47          fwrite($fh, $contents, strlen($contents));
  48          fclose($fh);
  49  
  50          /* Get the extension for the mime type. */
  51          include_once 'Horde/MIME/Magic.php';
  52          $ext = MIME_Magic::MIMEToExt($this->mime_part->getType());
  53  
  54          /* Execute Web C Plus Plus. Specifying the in and out files didn't
  55             work for me but pipes did. */
  56          exec($mime_drivers['horde']['webcpp']['location'] . " --pipe --pipe -x=$ext -l -a -t < $tmpin > $tmpout");
  57          $results = file_get_contents($tmpout);
  58  
  59          /* If we are not displaying inline, all the formatting is already
  60           * done for us. */
  61          if ($attachment) {
  62              /* The first 2 lines are the Content-Type line and a blank line
  63               * so we should remove them before outputting. */
  64              return preg_replace("/.*\n.*\n/", '', $results, 1);
  65          }
  66  
  67          /* Extract the style sheet, removing any global body formatting
  68           * if we're displaying inline. */
  69          $res = preg_split(';(</style>)|(<style type="text/css">);', $results);
  70          $style = $res[1];
  71          $style = preg_replace('/\nbody\s+?{.*?}/s', '', $style);
  72  
  73          /* Extract the content. */
  74          $res = preg_split('/\<\/?pre\>/', $results);
  75          $body = $res[1];
  76  
  77          return '<style>' . $style . '</style><div class="webcpp" style="white-space:pre;font-family:monospace">' . $body . '</div>';
  78      }
  79  
  80      /**
  81       * Return the MIME content type of the rendered content.
  82       *
  83       * @return string  The content type of the output.
  84       */
  85      function getType()
  86      {
  87          return 'text/html; charset=' . NLS::getCharset();
  88      }
  89  
  90  }