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postfixadmin/model/Config.php

143 lines
4.4 KiB
PHP

<?php
# $Id$
class Config {
/**
* Determine if $__objects cache should be wrote
*
* @var boolean
* @access private
*/
var $__cache = false;
/**
* Holds and key => value array of objects type
*
* @var array
* @access private
*/
var $__objects = array();
/**
* Return a singleton instance of Configure.
*
* @return Configure instance
* @access public
*/
function &getInstance() {
static $instance = array();
if (!$instance) {
$instance[0] = new Config();
//$instance[0]->__loadBootstrap($boot);
}
return $instance[0];
}
/**
* Used to write a dynamic var in the Configure instance.
*
* Usage
* Configure::write('One.key1', 'value of the Configure::One[key1]');
* Configure::write(array('One.key1' => 'value of the Configure::One[key1]'));
* Configure::write('One', array('key1'=>'value of the Configure::One[key1]', 'key2'=>'value of the Configure::One[key2]');
* Configure::write(array('One.key1' => 'value of the Configure::One[key1]', 'One.key2' => 'value of the Configure::One[key2]'));
*
* @param array $config Name of var to write
* @param mixed $value Value to set for var
* @return void
* @access public
*/
function write($config, $value = null) {
$_this =& Config::getInstance();
if (!is_array($config)) {
$config = array($config => $value);
}
foreach ($config as $names => $value) {
$name = $_this->__configVarNames($names);
switch (count($name)) {
case 3:
$_this->{$name[0]}[$name[1]][$name[2]] = $value;
break;
case 2:
$_this->{$name[0]}[$name[1]] = $value;
break;
case 1:
$_this->{$name[0]} = $value;
break;
}
}
}
/**
* Used to read Configure::$var
*
* Usage
* Configure::read('Name'); will return all values for Name
* Configure::read('Name.key'); will return only the value of Configure::Name[key]
*
* @param string $var Variable to obtain
* @return string value of Configure::$var
* @access public
*/
function read($var) {
$_this =& Config::getInstance();
if ($var === 'all') {
$return = array();
foreach ($_this AS $key =>$var) {
$return[$key] = $var;
}
return $return;
}
$name = $_this->__configVarNames($var);
switch (count($name)) {
case 3:
if (isset($_this->{$name[0]}[$name[1]][$name[2]])) {
return $_this->{$name[0]}[$name[1]][$name[2]];
}
break;
case 2:
if (isset($_this->{$name[0]}[$name[1]])) {
return $_this->{$name[0]}[$name[1]];
}
break;
case 1:
if (isset($_this->{$name[0]})) {
return $_this->{$name[0]};
}
break;
}
return null;
}
function getAll() {
$output = $this->config;
return $output;
}
/**
* Checks $name for dot notation to create dynamic Configure::$var as an array when needed.
*
* @param mixed $name Name to split
* @return array Name separated in items through dot notation
* @access private
*/
function __configVarNames($name) {
if (is_string($name)) {
if (strpos($name, ".")) {
return explode(".", $name);
}
return array($name);
}
return $name;
}
}
/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */