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sakura/_sakura/components/Configuration.php
2015-04-01 17:06:42 +02:00

116 lines
3.3 KiB
PHP

<?php
/*
* Configuration Management
*/
namespace Sakura;
class Configuration {
// Configuration data
public static $_LCNF;
public static $_DCNF;
// Initialise configuration, does not contain database initialisation because explained below
public static function init($local) {
// Check if $local is an array and then store it in $_LCNF
if(is_array($local))
self::$_LCNF = $local;
else // Otherwise trigger an error
trigger_error('Failed to load local configuration!', E_USER_ERROR);
}
/*
* Initialise Database configuration values.
* Different from init as that is called before the database connection is initially
* established.
*/
public static function initDB() {
$_DATA = Database::fetch('config', true);
$_DBCN = array();
foreach($_DATA as $_CONF)
$_DBCN[$_CONF[0]] = $_CONF[1];
self::$_DCNF = $_DBCN;
}
// Get values from the configuration on the file system
public static function getLocalConfig($key, $subkey = null) {
// Check if the key that we're looking for exists
if(array_key_exists($key, self::$_LCNF)) { // If we also have a subkey we check
if($subkey && array_key_exists($subkey, $key)) // if that exists, else we just return
return self::$_LCNF[$key][$subkey]; // the default value.
else
return self::$_LCNF[$key];
} else // If it doesn't exist trigger an error to avoid explosions
trigger_error('Unable to get local configuration value!', E_USER_ERROR);
}
// Dynamically set local configuration values, does not update the configuration file
public static function setLocalConfig($key, $subkey, $value) {
// Check if we also do a subkey
if($subkey) {
// If we do we make sure that the parent key is an array
if(!isset(self::$_LCNF[$key]))
self::$_LCNF[$key] = array();
// And then assign the value
self::$_LCNF[$key][$subkey] = $value;
} else // Otherwise we just straight up assign it
self::$_LCNF[$key] = $value;
}
// Get values from the configuration in the database
public static function getConfig($key) {
// Check if the key that we're looking for exists
if(array_key_exists($key, self::$_DCNF))
return self::$_DCNF[$key]; // Then return the value
else // If it doesn't exist trigger an error to avoid explosions
trigger_error('Unable to get configuration value!', E_USER_ERROR);
}
// Parse .cfg files, mainly/only used for templates
public function parseCfg($data) {
// Create storage variable
$out = array();
// Remove comments and empty lines
$data = preg_replace('/#.*?\r\n/im', null, $data);
$data = preg_replace('/^\r\n/im', null, $data);
// Break line breaks up into array values
$data = explode("\r\n", $data);
foreach($data as $var) {
// Remove whitespace between key, equals sign and value
$var = preg_replace('/[\s+]=[\s+]/i', '=', $var);
// Then break this up
$var = explode('=', $var);
// And assign the value with the key to the output variable
$out[$var[0]] = $var[1];
}
// Return the output variable
return $out;
}
}