include/libs/template_lite/plugins/outputfilter.trimwhitespace.php

   1 <?php
   2 /**
   3  * Template Lite plugin converted from Smarty
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8 /**
   9  * Smarty trimwhitespace outputfilter plugin
  10  *
  11  * File:     outputfilter.trimwhitespace.php<br>
  12  * Type:     outputfilter<br>
  13  * Name:     trimwhitespace<br>
  14  * Date:     Jan 25, 2003<br>
  15  * Purpose:  trim leading white space and blank lines from
  16  *           template source after it gets interpreted, cleaning
  17  *           up code and saving bandwidth. Does not affect
  18  *           <<PRE>></PRE> and <SCRIPT></SCRIPT> blocks.<br>
  19  * Install:  Drop into the plugin directory, call
  20  *           <code>$template_object->load_filter('output','trimwhitespace');</code>
  21  *           from application.
  22  * @author   Monte Ohrt <monte at ohrt dot com>
  23  * @author Contributions from Lars Noschinski <lars@usenet.noschinski.de>
  24  * @version  1.3
  25  * @param string
  26  * @param Smarty
  27  */
  28
  29 function template_outputfilter_trimwhitespace($tpl_source, &$template_object)
  30 {
  31     // Pull out the script blocks
  32     preg_match_all("!<script[^>]+>.*?</script>!is", $tpl_source, $match);
  33     $_script_blocks = $match[0];
  34     $tpl_source = preg_replace("!<script[^>]+>.*?</script>!is",
  35                            '@@@TEMPLATELITE:TRIM:SCRIPT@@@', $tpl_source);
  36
  37     // Pull out the pre blocks
  38     preg_match_all("!<pre>.*?</pre>!is", $tpl_source, $match);
  39     $_pre_blocks = $match[0];
  40     $tpl_source = preg_replace("!<pre>.*?</pre>!is",
  41                            '@@@TEMPLATELITE:TRIM:PRE@@@', $tpl_source);
  42
  43     // Pull out the textarea blocks
  44     preg_match_all("!<textarea[^>]+>.*?</textarea>!is", $tpl_source, $match);
  45     $_textarea_blocks = $match[0];
  46     $tpl_source = preg_replace("!<textarea[^>]+>.*?</textarea>!is",
  47                            '@@@TEMPLATELITE:TRIM:TEXTAREA@@@', $tpl_source);
  48
  49     // remove all leading spaces, tabs and carriage returns NOT
  50     // preceeded by a php close tag.
  51     $tpl_source = trim(preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $tpl_source));
  52
  53     // replace script blocks
  54     template_outputfilter_trimwhitespace_replace("@@@TEMPLATELITE:TRIM:SCRIPT@@@",$_script_blocks, $tpl_source);
  55
  56     // replace pre blocks
  57     template_outputfilter_trimwhitespace_replace("@@@TEMPLATELITE:TRIM:PRE@@@",$_pre_blocks, $tpl_source);
  58
  59     // replace textarea blocks
  60     template_outputfilter_trimwhitespace_replace("@@@TEMPLATELITE:TRIM:TEXTAREA@@@",$_textarea_blocks, $tpl_source);
  61
  62     return $tpl_source;
  63 }
  64
  65 function template_outputfilter_trimwhitespace_replace($search_str, $replace, &$subject) {
  66     $_len = strlen($search_str);
  67     $_pos = 0;
  68     for ($_i=0, $_count=count($replace); $_i<$_count; $_i++)
  69         {
  70         if (($_pos=strpos($subject, $search_str, $_pos))!==false)
  71                 {
  72             $subject = substr_replace($subject, $replace[$_i], $_pos, $_len);
  73                 }
  74         else
  75                 {
  76             break;
  77                 }
  78         }
  79 }
  80
  81 ?>