1:  2:  3:  4:  5:  6:  7:  8:  9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41: 42: 43: 44: 45: 46: 47: 48: 49: 50: 51: 52: 53: 54: 55: 56: 57: 58: 59: 60: 61: 62: 63: 64: 65: 66: 67: 68: 69: 70: 71: 72: 73: 74: 

<?php

    namespace CzProject\Configuration;

    use CzProject;


    class Configurator
    {
        /** @var array */
        protected $config = array();

        /** @var ConfigLoader */
        protected $configLoader = NULL;


        public function __construct(ConfigLoader $configLoader = NULL)
        {
            $this->configLoader = $configLoader;
        }


        /**
         * @param  string|array
         * @return self
         */
        public function addConfig($config)
        {
            if (!is_array($config)) {
                $config = $this->loadConfig($config);
            }

            $this->config = CzProject\Arrays::merge($config, $this->config);
            return $this;
        }


        /**
         * @return array
         */
        public function getConfig()
        {
            return $this->config;
        }


        /**
         * Expands placeholders (%placeholder%)
         * @return array
         */
        public function getConfigExpandedBy($parametersKey)
        {
            $config = $this->config;
            $parameters = isset($config[$parametersKey]) ? $config[$parametersKey] : NULL;

            $parameters = Helpers::expandPlaceholders($parameters, $parameters, TRUE);
            return Helpers::expandPlaceholders($config, $parameters);
        }


        /**
         * @param  string
         * @return array
         * @throws ConfiguratorException
         */
        protected function loadConfig($file)
        {
            if (!$this->configLoader) {
                throw new ConfiguratorException('Missing ConfigLoader.');
            }
            return $this->configLoader->loadConfig($file);
        }
    }