sintonia/airtime_mvc/library/propel/runtime/lib/config/PropelConfiguration.php

160 lines
3.6 KiB
PHP

<?php
/**
* This file is part of the Propel package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
/**
* PropelConfiguration is a container for all Propel's configuration data.
*
* PropelConfiguration implements ArrayAccess interface so the configuration
* can be accessed as an array or using a simple getter and setter. The whole
* configuration can also be retrieved as a nested arrays, flat array or as a
* PropelConfiguration instance.
*
* @author Veikko Mäkinen <veikko@veikko.fi>
* @version $Revision: 1612 $
* @package propel.runtime.config
*/
class PropelConfiguration implements ArrayAccess
{
const TYPE_ARRAY = 1;
const TYPE_ARRAY_FLAT = 2;
const TYPE_OBJECT = 3;
/**
* @var array An array of parameters
*/
protected $parameters = array();
/**
* Construct a new configuration container
*
* @param array $parameters
*/
public function __construct(array $parameters = array())
{
$this->parameters = $parameters;
}
/**
* @see http://www.php.net/ArrayAccess
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->parameters);
}
/**
* @see http://www.php.net/ArrayAccess
*/
public function offsetSet($offset, $value)
{
$this->parameter[$offset] = $value;
}
/**
* @see http://www.php.net/ArrayAccess
*/
public function offsetGet($offset)
{
return $this->parameters[$offset];
}
/**
* @see http://www.php.net/ArrayAccess
*/
public function offsetUnset($offset)
{
unset($this->parameters[$offset]);
}
/**
* Get parameter value from the container
*
* @param string $name Parameter name
* @param mixed $default Default value to be used if the
* requested value is not found
* @return mixed Parameter value or the default
*/
public function getParameter($name, $default = null)
{
$ret = $this->parameters;
$parts = explode('.', $name); //name.space.name
while ($part = array_shift($parts)) {
if (isset($ret[$part])) {
$ret = $ret[$part];
} else {
return $default;
}
}
return $ret;
}
/**
* Store a value to the container
*
* @param string $name Configuration item name (name.space.name)
* @param mixed $value Value to be stored
*/
public function setParameter($name, $value)
{
$param = &$this->parameters;
$parts = explode('.', $name); //name.space.name
while ($part = array_shift($parts)) {
$param = &$param[$part];
}
$param = $value;
}
/**
*
*
* @param int $type
* @return mixed
*/
public function getParameters($type = PropelConfiguration::TYPE_ARRAY)
{
switch ($type) {
case PropelConfiguration::TYPE_ARRAY:
return $this->parameters;
case PropelConfiguration::TYPE_ARRAY_FLAT:
return $this->toFlatArray();
case PropelConfiguration::TYPE_OBJECT:
return $this;
default:
throw new PropelException('Unknown configuration type: '. var_export($type, true));
}
}
/**
* Get the configuration as a flat array. ($array['name.space.item'] = 'value')
*
* @return array
*/
protected function toFlatArray()
{
$result = array();
$it = new PropelConfigurationIterator(new RecursiveArrayIterator($this->parameters), RecursiveIteratorIterator::SELF_FIRST);
foreach($it as $key => $value) {
$ns = $it->getDepth() ? $it->getNamespace() . '.'. $key : $key;
if ($it->getNodeType() == PropelConfigurationIterator::NODE_ITEM) {
$result[$ns] = $value;
}
}
return $result;
}
}
?>