Current File : /home/admin/domains/happytokorea.com/public_html_bk/test2/libraries/fof/config/provider.php
<?php
/**
* @package FrameworkOnFramework
* @subpackage config
* @copyright Copyright (c)2010-2012 Nicholas K. Dionysopoulos
* @license GNU General Public License version 2, or later
*/
defined('FOF_INCLUDED') or die();
/**
* Reads and parses the fof.xml file in the back-end of a FOF-powered component,
* provisioning the data to the rest of the FOF framework
*
* @package FrameworkOnFramework
* @since 2.1
*/
class FOFConfigProvider
{
/**
* Cache of FOF components' configuration variables
*
* @var array
*/
public static $configurations = array();
/**
* Parses the configuration of the specified component
*
* @param string $component The name of the component, e.g. com_foobar
* @param boolean $force Force reload even if it's already parsed?
*
* @return void
*/
public function parseComponent($component, $force = false)
{
if (!$force && isset(self::$configurations[$component]))
{
return;
}
if (FOFPlatform::getInstance()->isCli())
{
$order = array('cli', 'backend');
}
elseif (FOFPlatform::getInstance()->isBackend())
{
$order = array('backend');
}
else
{
$order = array('frontend');
}
$order[] = 'common';
$order = array_reverse($order);
self::$configurations[$component] = array();
foreach ($order as $area)
{
$config = $this->parseComponentArea($component, $area);
self::$configurations[$component] = array_merge_recursive(self::$configurations[$component], $config);
}
}
/**
* Returns the value of a variable. Variables use a dot notation, e.g.
* view.config.whatever where the first part is the domain, the rest of the
* parts specify the path to the variable.
*
* @param string $variable The variable name
* @param mixed $default The default value, or null if not specified
*
* @return mixed The value of the variable
*/
public function get($variable, $default = null)
{
static $domains = null;
if (is_null($domains))
{
$domains = $this->getDomains();
}
list($component, $domain, $var) = explode('.', $variable, 3);
if (!isset(self::$configurations[$component]))
{
$this->parseComponent($component);
}
if (!in_array($domain, $domains))
{
return $default;
}
$class = 'FOFConfigDomain' . ucfirst($domain);
$o = new $class;
return $o->get(self::$configurations[$component], $var, $default);
}
/**
* Parses the configuration options of a specific component area
*
* @param string $component Which component's cionfiguration to parse
* @param string $area Which area to parse (frontend, backend, cli)
*
* @return array A hash array with the configuration data
*/
protected function parseComponentArea($component, $area)
{
// Initialise the return array
$ret = array();
// Get the folders of the component
$componentPaths = FOFPlatform::getInstance()->getComponentBaseDirs($component);
// Check that the path exists
JLoader::import('joomla.filesystem.folder');
$path = $componentPaths['admin'];
$path = JPath::check($path);
if (!JFolder::exists($path))
{
return $ret;
}
// Read the filename if it exists
$filename = $path . '/fof.xml';
JLoader::import('joomla.filesystem.file');
if (!JFile::exists($filename))
{
return $ret;
}
$data = JFile::read($filename);
// Load the XML data in a SimpleXMLElement object
$xml = simplexml_load_string($data);
if (!($xml instanceof SimpleXMLElement))
{
return $ret;
}
// Get this area's data
$areaData = $xml->xpath('//' . $area);
if (empty($areaData))
{
return $ret;
}
$xml = array_shift($areaData);
// Parse individual configuration domains
$domains = $this->getDomains();
foreach ($domains as $dom)
{
$class = 'FOFConfigDomain' . ucfirst($dom);
if (class_exists($class, true))
{
$o = new $class;
$o->parseDomain($xml, $ret);
}
}
// Finally, return the result
return $ret;
}
/**
* Gets a list of the available configuration domain adapters
*
* @return array A list of the available domains
*/
protected function getDomains()
{
static $domains = array();
if (empty($domains))
{
JLoader::import('joomla.filesystem.folder');
$files = JFolder::files(__DIR__ . '/domain', '.php');
if (!empty($files))
{
foreach ($files as $file)
{
$domain = basename($file, '.php');
if ($domain == 'interface')
{
continue;
}
$domain = preg_replace('/[^A-Za-z0-9]/', '', $domain);
$domains[] = $domain;
}
$domains = array_unique($domains);
}
}
return $domains;
}
}