59 lines
1.5 KiB
PHP
59 lines
1.5 KiB
PHP
<?php
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namespace SilverStripe\Core\Injector;
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use SilverStripe\Core\Config\Config;
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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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class SilverStripeServiceConfigurationLocator implements ServiceConfigurationLocator
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{
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/**
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* List of Injector configurations cached from Config in class => config format.
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* If any config is false, this denotes that this class and all its parents
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* have no configuration specified.
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*
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* @var array
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*/
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protected $configs = array();
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public function locateConfigFor($name)
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{
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// Check direct or cached result
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$config = $this->configFor($name);
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if (!$config) {
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return null;
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}
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// If config is in `%$Source` format then inherit from the named config
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if (is_string($config) && stripos($config, '%$') === 0) {
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$name = substr($config, 2);
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return $this->locateConfigFor($name);
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}
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// Return the located config
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return $config;
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}
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/**
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* Retrieves the config for a named service without performing a hierarchy walk
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*
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* @param string $name Name of service
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* @return mixed Get config for this service
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*/
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protected function configFor($name)
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{
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// Return cached result
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if (array_key_exists($name, $this->configs)) {
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return $this->configs[$name];
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}
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$config = Config::inst()->get(Injector::class, $name);
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$this->configs[$name] = $config;
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return $config;
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}
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}
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