require_once($IP.'/extensions/IndentSections/IndentSections.php');

<?php
/*
 * Copyright © 2008, James Paige & West Coast Aerospace, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
 
//---Identify the extension---
 
$wgExtensionCredits['other'][] = array(
        'name' => 'IndentSections',
        'version' => '0.1',
        'author' => 'James Paige',
        'url' => 'http://www.mediawiki.org/wiki/Extension:IndentSections',
        'description' => 'Indents all sections according to their headers.',
);
 
//---Set up the hooks---
 
$wgHooks['BeforePageDisplay'][] = 'fnIndentSectionsBeforePageDisplay';
 
//---These two functions do the real work---
 
function fnIndentSectionsBeforePageDisplay(&$out) {
  $text =& $out->mBodytext;
  for($i = 6; $i > 1; $i -= 1){
    $pattern = sprintf('/(<h%d> ?<span class="editsection">.*?)(<h[1-%d]>)/ms', $i, $i-1);
    $text = preg_replace_callback($pattern, fnIndentSectionsCallback, $text);
  }
  return true;
}
 
function fnIndentSectionsCallback($matches){
  return '<blockquote>' . $matches[1] . '</blockquote>' . $matches[2];
}