Subversion-Projekte lars-tiefland.laravel_shop

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
2 
 
3 
namespace Illuminate\View\Engines;
4 
 
5 
use Closure;
6 
use InvalidArgumentException;
7 
 
8 
class EngineResolver
9 
{
10 
    /**
11 
     * The array of engine resolvers.
12 
     *
13 
     * @var array
14 
     */
15 
    protected $resolvers = [];
16 
 
17 
    /**
18 
     * The resolved engine instances.
19 
     *
20 
     * @var array
21 
     */
22 
    protected $resolved = [];
23 
 
24 
    /**
25 
     * Register a new engine resolver.
26 
     *
27 
     * The engine string typically corresponds to a file extension.
28 
     *
29 
     * @param  string  $engine
30 
     * @param  \Closure  $resolver
31 
     * @return void
32 
     */
33 
    public function register($engine, Closure $resolver)
34 
    {
35 
        $this->forget($engine);
36 
 
37 
        $this->resolvers[$engine] = $resolver;
38 
    }
39 
 
40 
    /**
41 
     * Resolve an engine instance by name.
42 
     *
43 
     * @param  string  $engine
44 
     * @return \Illuminate\Contracts\View\Engine
45 
     *
46 
     * @throws \InvalidArgumentException
47 
     */
48 
    public function resolve($engine)
49 
    {
50 
        if (isset($this->resolved[$engine])) {
51 
            return $this->resolved[$engine];
52 
        }
53 
 
54 
        if (isset($this->resolvers[$engine])) {
55 
            return $this->resolved[$engine] = call_user_func($this->resolvers[$engine]);
56 
        }
57 
 
58 
        throw new InvalidArgumentException("Engine [{$engine}] not found.");
59 
    }
60 
 
61 
    /**
62 
     * Remove a resolved engine.
63 
     *
64 
     * @param  string  $engine
65 
     * @return void
66 
     */
67 
    public function forget($engine)
68 
    {
69 
        unset($this->resolved[$engine]);
70 
    }
71 
}