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