outputfilter.trimwhitespace.php in Quiz 6.5

File

includes/moodle/lib/smarty/plugins/outputfilter.trimwhitespace.php

<?php

/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */

/**
 * Smarty trimwhitespace outputfilter plugin
 *
 * File:     outputfilter.trimwhitespace.php<br>
 * Type:     outputfilter<br>
 * Name:     trimwhitespace<br>
 * Date:     Jan 25, 2003<br>
 * Purpose:  trim leading white space and blank lines from
 *           template source after it gets interpreted, cleaning
 *           up code and saving bandwidth. Does not affect
 *           <<PRE>></PRE> and <SCRIPT></SCRIPT> blocks.<br>
 * Install:  Drop into the plugin directory, call
 *           <code>$smarty->load_filter('output','trimwhitespace');</code>
 *           from application.
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @author Contributions from Lars Noschinski <[e-mail]>
 * @version  1.3
 * @param string
 * @param Smarty
 */
function smarty_outputfilter_trimwhitespace($source, &$smarty) {

  // Pull out the script blocks
  preg_match_all("!<script[^>]+>.*?</script>!is", $source, $match);
  $_script_blocks = $match[0];
  $source = preg_replace("!<script[^>]+>.*?</script>!is", '@@@SMARTY:TRIM:SCRIPT@@@', $source);

  // Pull out the pre blocks
  preg_match_all("!<pre>.*?</pre>!is", $source, $match);
  $_pre_blocks = $match[0];
  $source = preg_replace("!<pre>.*?</pre>!is", '@@@SMARTY:TRIM:PRE@@@', $source);

  // Pull out the textarea blocks
  preg_match_all("!<textarea[^>]+>.*?</textarea>!is", $source, $match);
  $_textarea_blocks = $match[0];
  $source = preg_replace("!<textarea[^>]+>.*?</textarea>!is", '@@@SMARTY:TRIM:TEXTAREA@@@', $source);

  // remove all leading spaces, tabs and carriage returns NOT
  // preceeded by a php close tag.
  $source = trim(preg_replace('/((?<!\\?>)\\n)[\\s]+/m', '\\1', $source));

  // replace script blocks
  smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:SCRIPT@@@", $_script_blocks, $source);

  // replace pre blocks
  smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:PRE@@@", $_pre_blocks, $source);

  // replace textarea blocks
  smarty_outputfilter_trimwhitespace_replace("@@@SMARTY:TRIM:TEXTAREA@@@", $_textarea_blocks, $source);
  return $source;
}
function smarty_outputfilter_trimwhitespace_replace($search_str, $replace, &$subject) {
  $_len = strlen($search_str);
  $_pos = 0;
  for ($_i = 0, $_count = count($replace); $_i < $_count; $_i++) {
    if (($_pos = strpos($subject, $search_str, $_pos)) !== false) {
      $subject = substr_replace($subject, $replace[$_i], $_pos, $_len);
    }
    else {
      break;
    }
  }
}

Functions

Name	Description
smarty_outputfilter_trimwhitespace	Smarty trimwhitespace outputfilter plugin
smarty_outputfilter_trimwhitespace_replace