1.8 * @date 2008/03/31 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License * * this is a format handler for getting text out of a proprietary binary format * so it can be indexed by Lucene search engine */ /** * @param object $resource * @uses CFG, USER */ function get_text_for_indexing_htm(&$resource){ global $CFG, $USER; // SECURITY : do not allow non admin execute anything on system !! if (!isadmin($USER->id)) return; // just get text $text = implode('', file("{$CFG->dataroot}/{$resource->course}/($resource->reference)")); // extract keywords and other interesting meta information and put it back as real content for indexing if (preg_match('/(.*)]*)>(.*)/is',$text, $matches)){ $prefix = $matches[1]; $meta_attributes = $matches[2]; $suffix = $matches[3]; if (preg_match('/name="(keywords|description)"/i', $attributes)){ preg_match('/content="[^"]+"/i', $attributes, $matches); $text = $prefix.' '.$matches[1].' '.$suffix; } } // filter all html tags // $text = clean_text($text, FORMAT_PLAIN); // NOTE : this is done in ResourceSearchDocument __constructor $text = preg_replace("//", '', $text); if (!empty($CFG->block_search_limit_index_body)){ $text = shorten($text, $CFG->block_search_limit_index_body); } return $text; } ?>