/**
* @param $token - encoded token object
* @result - SQL token
*/
private static function getSqlToken(stdClass $token)
{
switch ($token->type) {
case 'comparsion':
$matches = array();
preg_match_all(CB_ENCODED_TOKEN_MATCH, $token->value, $matches, PREG_SET_ORDER);
if (count($matches) == 1 && isset($matches[0]) && count($matches[0]) == 4) {
// decode comparsion op
return self::$sql_fields[$matches[0][2]] . ' ' . self::$sql_cmps[$matches[0][1]] . ' ' . (int) $matches[0][3];
}
break;
case 'logical':
if (in_array($token->value, self::$valid_logical_ops)) {
// decode logical op
// we store logical ops uppercase for the "prettiness"
return strtoupper($token->value);
}
break;
case 'bracket':
if (($opcode = array_search($token->value, self::$valid_bracket_ops)) !== false) {
// decode bracket op
return self::$valid_bracket_ops[$opcode];
}
}
throw new MWException('Invalid operation type=' . CB_Setup::specialchars($token->type) . ' value=' . CB_Setup::specialchars($token->value) . ' in ' . __METHOD__);
}
/**
* called via AJAX to get list of (subcategories,pages,files) for specitied parent category id, offset, limit
* @param $args[0] : type of pager ('subcats','pages','files')
* @param $args[1] : parent category name
* @param $args[2] : offset (optional)
* @param $args[3] : limit (optional)
*/
static function getSubOffsetHtml()
{
$pager_types = array('subcats' => array('js_nav_func' => "subCatsNav", 'select_fields' => "cl_sortkey, cat_id, cat_title, cat_subcats, " . CB_AbstractPager::$cat_pages_only . ", cat_files", 'ns_cond' => "page_namespace = " . NS_CATEGORY, 'default_limit' => CB_Setup::$categoriesLimit), 'pages' => array('js_nav_func' => "pagesNav", 'select_fields' => "page_title, page_namespace, page_len, page_is_redirect", 'ns_cond' => "NOT page_namespace IN (" . NS_FILE . "," . NS_CATEGORY . ")", 'default_limit' => CB_Setup::$pagesLimit), 'files' => array('js_nav_func' => "filesNav", 'select_fields' => "page_title, page_namespace, page_len, page_is_redirect", 'ns_cond' => "page_namespace = " . NS_FILE, 'default_limit' => CB_Setup::$filesLimit), 'parents' => array('default_limit' => CB_Setup::$parentsLimit));
$args = func_get_args();
if (count($args) < 2) {
return 'Too few parameters in ' . __METHOD__;
}
$pager_type = $args[0];
if (!isset($pager_types[$pager_type])) {
return 'Unknown pager type=' . CB_Setup::specialchars($pager_type) . ' in ' . __METHOD__;
}
$pager_setup =& $pager_types[$pager_type];
$limit = count($args) > 3 ? abs(intval($args[3])) : $pager_setup['default_limit'];
$offset = count($args) > 2 ? abs(intval($args[2])) : 0;
$parentCatName = $args[1];
$cb = new CategoryBrowser();
if ($pager_type == 'parents') {
$pager = new CB_ParentPager($parentCatName, $offset, $limit);
} else {
$pager = new CB_SubPager($parentCatName, $offset, $limit, $pager_setup['js_nav_func'], $pager_setup['select_fields'], $pager_setup['ns_cond']);
}
$pager->getCurrentRows();
switch ($pager_type) {
case 'subcats':
case 'parents':
$view = new CB_CategoriesView($pager);
break;
case 'pages':
$view = new CB_PagesView($pager);
break;
case 'files':
# respect extension & core settings
global $wgOut, $wgCategoryMagicGallery;
// unstub $wgOut, otherwise $wgOut->mNoGallery may be unavailable
// strange, but calling wfDebug() instead does not unstub $wgOut successfully
$wgOut->getHeadItems();
if (CB_Setup::$imageGalleryPerRow < 1 || !$wgCategoryMagicGallery || $wgOut->mNoGallery) {
$view = new CB_PagesView($pager);
} else {
$view = new CB_FilesView($pager);
}
break;
default:
return 'Unknown list type in ' . __METHOD__;
}
$list = $view->generateList();
return CB_XML::toText($list);
}