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<?PHP
require_once('code/xmlparser.inc.php');
require_once('code/db.inc.php');
function require_mod($file) {
if(isset($GLOBALS['modules']->code[$file]))
require_once($GLOBALS['modules']->code[$file]);
elseif(isset($GLOBALS['modules']->templates[$file]))
require_once($GLOBALS['modules']->templates[$file]);
else
require_once($file);
}
class Modules {
var $modules = array();
var $pages = array();
var $code = array();
var $templates = array();
function Modules() {
$dir = opendir('modules');
while($moddir = readdir($dir)) {
if($moddir[0] != '.' && is_dir('modules/' . $moddir) && is_file('modules/' . $moddir . '/module.xml')) {
$data = $GLOBALS['xmlparser']->ParseFile('modules/' . $moddir . '/module.xml');
if(!$data) continue;
$info = $GLOBALS['xmlparser']->FindTag($data, 'info');
if(!$info) continue;
$name = $GLOBALS['xmlparser']->FindTag($info, 'name');
if(!$name) continue;
if(count($name['children']) != 1) continue;
if(!is_string($name['children'][0])) continue;
$name = $name['children'][0];
$version = $GLOBALS['xmlparser']->FindTag($info, 'version');
if(!$version) continue;
if(count($version['children']) != 1) continue;
if(!is_string($version['children'][0])) continue;
$version = $version['children'][0];
$desc = $GLOBALS['xmlparser']->FindTag($info, 'desc');
if(!$desc) continue;
if(count($desc['children']) != 1) continue;
if(!is_string($desc['children'][0])) continue;
$desc = $desc['children'][0];
$this->modules[$name] = array('name' => $name, 'version' => $version, 'desc' => $desc, 'code' => array(),
'templates' => array(), 'config' => false, 'enabled' => false);
if($GLOBALS['xmlparser']->FindTag($info, 'config')) $this->modules[$name]['config'] = true;
$files = $GLOBALS['xmlparser']->FindTag($data, 'files');
if(!$files) continue;
foreach($files['children'] as $file) {
if(!is_array($file)) continue;
if(count($file['children']) != 1) continue;
if(!is_string($file['children'][0])) continue;
switch($file['tag']) {
case 'page':
$type = $file['attribs']['type'];
if(!$type) $type = 'c';
$pagename = $file['children'][0] . '.' . $type;
$realname = 'modules/' . $moddir . '/pages/' . strtr($type, array('c' => 'content', 'e' => 'editor', 'n' => 'nav'))
. '/' . $file['children'][0] . '.xml';
$this->modules[$name]['pages'][$pagename] = $realname;
break;
case 'code':
$filename = 'code/' . $file['children'][0] . '.inc.php';
$realname = 'modules/' . $moddir . '/code/' . $file['children'][0] . '.inc.php';
$this->modules[$name]['code'][$filename] = $realname;
break;
case 'template':
$filename = 'templates/' . $file['children'][0] . '.inc.php';
$realname = 'modules/' . $moddir . '/templates/' . $file['children'][0] . '.inc.php';
$this->modules[$name]['templates'][$filename] = $realname;
}
}
}
}
closedir($dir);
$res = $GLOBALS['db']->Execute('SELECT name, enabled FROM modules');
while($row = $res->FetchRow()) {
if(!array_key_exists($row[0], $this->modules)) {
$GLOBALS['db']->Execute('DELETE FROM modules WHERE name = ?', $row[0]);
continue;
}
if(!$row[1]) continue;
$this->modules[$row[0]]['enabled'] = true;
$this->pages = array_merge($this->pages, $this->modules[$row[0]]['pages']);
$this->code = array_merge($this->code, $this->modules[$row[0]]['code']);
$this->templates = array_merge($this->templates, $this->modules[$row[0]]['templates']);
}
}
function Exists($name) {
return array_key_exists($name, $this->modules);
}
function Enabled($name) {
return $this->Exists($name) && $this->modules[$name]['enabled'];
}
function HasConfig($name) {
if(!$this->Exists($name)) return false;
return $this->modules[$name]['config'];
}
function Enable($name, $enable = true) {
if(!$this->Exists($name)) return false;
if($this->Enabled($name) == $enable) return true;
$res = $GLOBALS['db']->Execute('SELECT id FROM modules WHERE name = ?', $name);
if($res->RecordCount()) {
$GLOBALS['db']->Execute('UPDATE modules SET enabled = ? WHERE name = ?', array(intval($enable), $name));
return ($GLOBALS['db']->Affected_Rows() > 0);
}
$GLOBALS['db']->Execute('INSERT INTO modules (name, enabled) VALUES (?, ?)', array($name, intval($enable)));
return ($GLOBALS['db']->Affected_Rows() > 0);
}
function Disable($name) {
return $this->Enable($name, false);
}
}
$GLOBALS['modules'] = new Modules;
?>
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