|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Charcoal\View; |
|
4
|
|
|
|
|
5
|
|
|
// PSR-3 (logger) dependencies |
|
6
|
|
|
use \Psr\Log\LoggerAwareInterface; |
|
7
|
|
|
use \Psr\Log\LoggerAwareTrait; |
|
8
|
|
|
|
|
9
|
|
|
// Local namespace dependencies |
|
10
|
|
|
use \Charcoal\View\EngineInterface; |
|
11
|
|
|
use \Charcoal\View\LoaderInterface; |
|
12
|
|
|
|
|
13
|
|
|
/** |
|
14
|
|
|
* Default implementation, as abstract class, of the `EngineInterface`. |
|
15
|
|
|
* |
|
16
|
|
|
* View Engines are comprised of 2 things: |
|
17
|
|
|
* - A template loader, wich is a `LoaderInterfaceObject` |
|
18
|
|
|
* - Set with `set_loader()` / Get with `loader()` |
|
19
|
|
|
* - Provides `loadtemplate()` method |
|
20
|
|
|
* - A `render()` method, which takes a $template and a $context arguments |
|
21
|
|
|
* |
|
22
|
|
|
* > Engines implements the `LoggerAwareInterface`. A logger can be accessed with the `logger()` method. |
|
23
|
|
|
*/ |
|
24
|
|
|
abstract class AbstractEngine implements |
|
25
|
|
|
EngineInterface, |
|
26
|
|
|
LoggerAwareInterface |
|
27
|
|
|
{ |
|
28
|
|
|
use LoggerAwareTrait; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @var LoaderInterface $loader |
|
32
|
|
|
*/ |
|
33
|
|
|
private $loader; |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* @return string |
|
37
|
|
|
*/ |
|
38
|
|
|
abstract public function type(); |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Build the object with an array of dependencies. |
|
42
|
|
|
* |
|
43
|
|
|
* ## Required parameters: |
|
44
|
|
|
* - `logger` a PSR-3 logger |
|
45
|
|
|
* |
|
46
|
|
|
* ## Optional parameters: |
|
47
|
|
|
* - `loader` a Loader object |
|
48
|
|
|
* |
|
49
|
|
|
* @param array $data Engine dependencie. |
|
50
|
|
|
*/ |
|
51
|
|
|
public function __construct(array $data) |
|
52
|
|
|
{ |
|
53
|
|
|
$this->setLogger($data['logger']); |
|
54
|
|
|
$this->setLoader($data['loader']); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @param LoaderInterface $loader A loader instance. |
|
59
|
|
|
* @return void |
|
60
|
|
|
*/ |
|
61
|
|
|
private function setLoader(LoaderInterface $loader) |
|
62
|
|
|
{ |
|
63
|
|
|
$this->loader = $loader; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* @return LoaderInterface |
|
68
|
|
|
*/ |
|
69
|
|
|
protected function loader() |
|
70
|
|
|
{ |
|
71
|
|
|
return $this->loader; |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
/** |
|
75
|
|
|
* Delegates template loading to the engine's Loader object. |
|
76
|
|
|
* |
|
77
|
|
|
* @param string $templateIdent The template identifier to load. |
|
78
|
|
|
* @return string The template string, loaded from identifier. |
|
79
|
|
|
*/ |
|
80
|
|
|
public function loadTemplate($templateIdent) |
|
81
|
|
|
{ |
|
82
|
|
|
return $this->loader()->load($templateIdent); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* @param string $templateIdent The template identifier to load and render. |
|
87
|
|
|
* @param mixed $context The rendering context. |
|
88
|
|
|
* @return string The rendered template string. |
|
89
|
|
|
*/ |
|
90
|
|
|
public function render($templateIdent, $context) |
|
91
|
|
|
{ |
|
92
|
|
|
$template = $this->loadTemplate($templateIdent); |
|
93
|
|
|
return $this->renderTemplate($template, $context); |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* @param string $templateString The template string to render. |
|
98
|
|
|
* @param mixed $context The rendering context. |
|
99
|
|
|
* @return string The rendered template string. |
|
100
|
|
|
*/ |
|
101
|
|
|
abstract public function renderTemplate($templateString, $context); |
|
102
|
|
|
} |
|
103
|
|
|
|
locomotivemtl /
charcoal-view
