74 lines
1.9 KiB
PHP
74 lines
1.9 KiB
PHP
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer;
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/**
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class Config
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{
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private $config;
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public function __construct()
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{
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// load defaults
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$this->config = array(
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'process-timeout' => 300,
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'vendor-dir' => 'vendor',
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'bin-dir' => '{$vendor-dir}/bin',
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);
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}
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public function merge(array $config)
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{
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// override defaults with given config
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if (!empty($config['config']) && is_array($config['config'])) {
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$this->config = array_merge_recursive($this->config, $config['config']);
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}
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}
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public function get($key)
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{
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switch ($key) {
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case 'vendor-dir':
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case 'bin-dir':
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case 'process-timeout':
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// convert foo-bar to COMPOSER_FOO_BAR and check if it exists since it overrides the local config
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$env = 'COMPOSER_' . strtoupper(strtr($key, '-', '_'));
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return $this->process(getenv($env) ?: $this->config[$key]);
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default:
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return $this->process($this->config[$key]);
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}
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}
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public function has($key)
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{
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return array_key_exists($key, $this->config);
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}
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/**
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* Replaces {$refs} inside a config string
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*
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* @param string a config string that can contain {$refs-to-other-config}
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* @return string
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*/
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private function process($value)
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{
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$config = $this;
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return preg_replace_callback('#\{\$(.+)\}#', function ($match) use ($config) {
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return $config->get($match[1]);
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}, $value);
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}
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}
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