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<?php
function module_iterate($function, $argument = "") {
global $repository;
foreach ($repository as $name=>$module) {
$function($name, $module, $argument);
}
}
function module_execute($module, $hook, $argument = "") {
global $repository;
return ($repository[$module][$hook]) ? $repository[$module][$hook]($argument) : "";
}
function module_rehash_crons($name, $module) {
if ($module["cron"]) {
if (!db_fetch_object(db_query("SELECT * FROM crons WHERE module = '$name'"))) {
db_query("INSERT INTO crons (module, scheduled, timestamp) VALUES ('$name', '172800', '0')");
}
}
else {
db_query("DELETE FROM crons WHERE module = '$name'");
}
}
function module_rehash_blocks($name, $module) {
db_query("UPDATE blocks SET remove = '1' WHERE module = '$name'");
if ($module["block"] && $blocks = $module["block"]()) {
foreach ($blocks as $offset=>$block) {
if (!db_fetch_object(db_query("SELECT * FROM blocks WHERE module = '$name' AND name = '$block[info]'"))) {
db_query("INSERT INTO blocks (name, module, offset) VALUES ('$block[info]', '$name', '$offset')");
}
else {
db_query("UPDATE blocks SET offset = '$offset', remove = '0' WHERE module = '$name' AND name = '$block[info]'");
}
}
}
db_query("DELETE FROM blocks WHERE module = '$name' AND remove = '1'");
}
function module_rehash($name) {
global $repository;
if ($module = $repository[$name]) {
$result = db_query("SELECT * FROM modules WHERE name = '$name'");
if (!$object = db_fetch_object($result)) {
db_query("INSERT INTO modules (name) VALUES ('$name')");
}
// rehash crons (if necessary):
module_rehash_crons($name, $module);
// rehash blocks (if necessary):
module_rehash_blocks($name, $module);
}
else {
// remove all reference to module:
db_query("DELETE FROM modules WHERE name = '$name'");
db_query("DELETE FROM blocks WHERE module = '$name'");
db_query("DELETE FROM crons WHERE module = '$name'");
}
}
// load modules into repository:
$handle = opendir("modules");
while ($file = readdir($handle)) {
if ($filename = substr($file, 0, strpos($file, ".module"))) {
include "modules/$filename.module";
$repository[$filename] = $module;
}
}
closedir($handle);
?>
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