1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\DI;
  9: 
 10: use Nette;
 11: 
 12: 
 13: /**
 14:  * Configurator compiling extension.
 15:  *
 16:  * @author     David Grudl
 17:  * @property-read array $config
 18:  * @property-read ContainerBuilder $containerBuilder
 19:  */
 20: abstract class CompilerExtension extends Nette\Object
 21: {
 22:     /** @var Compiler */
 23:     protected $compiler;
 24: 
 25:     /** @var string */
 26:     protected $name;
 27: 
 28: 
 29:     public function setCompiler(Compiler $compiler, $name)
 30:     {
 31:         $this->compiler = $compiler;
 32:         $this->name = $name;
 33:         return $this;
 34:     }
 35: 
 36: 
 37:     /**
 38:      * Returns extension configuration.
 39:      * @param  array default unexpanded values.
 40:      * @return array
 41:      */
 42:     public function getConfig(array $defaults = NULL)
 43:     {
 44:         $config = $this->compiler->getConfig();
 45:         $config = isset($config[$this->name]) ? $config[$this->name] : array();
 46:         unset($config['services'], $config['factories']);
 47:         return Config\Helpers::merge($config, $this->compiler->getContainerBuilder()->expand($defaults));
 48:     }
 49: 
 50: 
 51:     /**
 52:      * @return ContainerBuilder
 53:      */
 54:     public function getContainerBuilder()
 55:     {
 56:         return $this->compiler->getContainerBuilder();
 57:     }
 58: 
 59: 
 60:     /**
 61:      * Reads configuration from file.
 62:      * @param  string  file name
 63:      * @return array
 64:      */
 65:     public function loadFromFile($file)
 66:     {
 67:         $loader = new Config\Loader;
 68:         $res = $loader->load($file);
 69:         $container = $this->compiler->getContainerBuilder();
 70:         foreach ($loader->getDependencies() as $file) {
 71:             $container->addDependency($file);
 72:         }
 73:         return $res;
 74:     }
 75: 
 76: 
 77:     /**
 78:      * Prepend extension name to identifier or service name.
 79:      * @param  string
 80:      * @return string
 81:      */
 82:     public function prefix($id)
 83:     {
 84:         return substr_replace($id, $this->name . '.', substr($id, 0, 1) === '@' ? 1 : 0, 0);
 85:     }
 86: 
 87: 
 88:     /**
 89:      * Processes configuration data. Intended to be overridden by descendant.
 90:      * @return void
 91:      */
 92:     public function loadConfiguration()
 93:     {
 94:     }
 95: 
 96: 
 97:     /**
 98:      * Adjusts DI container before is compiled to PHP class. Intended to be overridden by descendant.
 99:      * @return void
100:      */
101:     public function beforeCompile()
102:     {
103:     }
104: 
105: 
106:     /**
107:      * Adjusts DI container compiled to PHP class. Intended to be overridden by descendant.
108:      * @return void
109:      */
110:     public function afterCompile(Nette\PhpGenerator\ClassType $class)
111:     {
112:     }
113: 
114: }
115: