vzlogger/backend/lib/Util/Configuration.php
2010-07-20 21:27:53 +02:00

112 lines
No EOL
2.8 KiB
PHP

<?php
/*
* Copyright (c) 2010 by Justin Otherguy <justin@justinotherguy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (either version 2 or
* version 3) as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* For more information on the GPL, please go to:
* http://www.gnu.org/copyleft/gpl.html
*/
namespace Volkszaehler\Util;
class Configuration {
static protected $values = array();
static public function write($var, $value) {
if (!is_scalar($value) && !is_array($value)) {
throw new \Exception('sry we can\'t store this datatype in the configuration');
}
$values =& self::$values;
$tree = explode('.', $var);
foreach ($tree as $part) {
$values =& $values[$part]; // TODO array_merge_recursive()
}
$values = $value;
}
static public function read($var = NULL) {
$tree = explode('.', $var);
if (is_null($var)) {
return self::$values;
}
$values = self::$values;
foreach ($tree as $part) {
$values = $values[$part];
}
return $values;
}
static public function delete($var) {
}
/*
* configuration file handling
*/
static public function load($filename) {
$filename .= '.php';
if (!file_exists($filename)) {
throw new \Exception('configuration file not found: ' . $filename);
}
include $filename;
if (!isset($config)) {
throw new \Exception('no variable $config found in ' . $filename);
}
self::$values = $config;
}
static public function store($filename) {
$filename .= '.php';
$delcaration = '';
foreach (self::$values as $key => $value) {
$export = var_export($value, true);
$export = preg_replace('/=>\s+array/', '=> array', $export);
$export = str_replace(" ", "\t", $export);
$declaration .= '$config[\'' . $key . '\'] = ' . $export . ';' . PHP_EOL . PHP_EOL;
}
$content = <<<EOT
<?php
/*
* That's the volkszaehler.org configuration file.
* Please take care of the following rules:
* - you are allowed to edit it by your own
* - anything else than the \$config declaration
* will maybe be removed during the reconfiguration
* by the configuration parser!
* - only literals are allowed as parameters
* - expressions will be evaluated by the parser
* and saved as literals
*/
$declaration?>
EOT;
return file_put_contents($filename, $content);
}
}
?>