<?php // -*-php-*-rcs_id('$Id: WantedPagesIter.php,v 1.1 2004/11/20 17:35:58 rurban Exp $');//require_once('lib/WikiDB/backend.php');/** * This iterator will work with any WikiDB_backend * which has a working get_links(,'links_from') method. * * This is mostly here for testing, 'cause it's slow,slow,slow. */class WikiDB_backend_dumb_WantedPagesIterextends WikiDB_backend_iterator{    function WikiDB_backend_dumb_WantedPagesIter(&$backend, &$all_pages, $exclude='', $sortby=false, $limit=false) {        $this->_allpages   = $all_pages;        $this->_allpages_array   = $all_pages->asArray();        $this->_backend = &$backend;        if (!is_array($exclude))            $this->exclude = $exclude ? PageList::explodePageList($exclude) : array();        else             $this->exclude = $exclude;    }    function next() {        while ($page = $this->_allpages->next()) {            $pagename = $page['pagename'];            $links = $this->_backend->get_links($pagename, false);            while ($link = $links->next()) {                if ($this->exclude and in_array($link['pagename'], $this->exclude)) continue;                // better membership for a pageiterator???                if (! in_array($link['pagename'], $this->_allpages_array)) {                    $links->free();                    $link['wantedfrom'] = $pagename;                    return $link;                }            }            $links->free();        }        return false;    }    function free() {        unset($this->_allpages_array);        $this->_allpages->free();    }}// For emacs users// Local Variables:// mode: php// tab-width: 8// c-basic-offset: 4// c-hanging-comment-ender-p: nil// indent-tabs-mode: nil// End:?>