49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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/**
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* Use the SilverStripe configuration system to lookup config for a
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* particular service.
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*
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* @package framework
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* @subpackage injector
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*/
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class SilverStripeServiceConfigurationLocator {
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private $configs = array();
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public function locateConfigFor($name) {
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if (isset($this->configs[$name])) {
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return $this->configs[$name];
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}
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$config = Config::inst()->get('Injector', $name);
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if ($config) {
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$this->configs[$name] = $config;
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return $config;
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}
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// do parent lookup if it's a class
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if (class_exists($name)) {
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$parents = array_reverse(array_keys(ClassInfo::ancestry($name)));
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array_shift($parents);
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foreach ($parents as $parent) {
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// have we already got for this?
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if (isset($this->configs[$parent])) {
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return $this->configs[$parent];
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}
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$config = Config::inst()->get('Injector', $parent);
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if ($config) {
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$this->configs[$name] = $config;
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return $config;
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} else {
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$this->configs[$parent] = false;
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}
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}
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// there is no parent config, so we'll record that as false so we don't do the expensive
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// lookup through parents again
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$this->configs[$name] = false;
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}
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}
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} |