|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Charcoal\View; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Default implementation, as abstract class, of the `EngineInterface`. |
|
9
|
|
|
* |
|
10
|
|
|
* View Engines are comprised of 2 things: |
|
11
|
|
|
* - A template loader, wich is a `LoaderInterfaceObject` |
|
12
|
|
|
* - Set with `set_loader()` / Get with `loader()` |
|
13
|
|
|
* - Provides `loadtemplate()` method |
|
14
|
|
|
* - A `render()` method, which takes a $template and a $context arguments |
|
15
|
|
|
* |
|
16
|
|
|
*/ |
|
17
|
|
|
abstract class AbstractEngine implements EngineInterface |
|
18
|
|
|
{ |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var LoaderInterface |
|
22
|
|
|
*/ |
|
23
|
|
|
private $loader; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* The cache option. |
|
27
|
|
|
* |
|
28
|
|
|
* @var mixed |
|
29
|
|
|
*/ |
|
30
|
|
|
private $cache; |
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* Build the object with an array of dependencies. |
|
34
|
|
|
* |
|
35
|
|
|
* ## Required parameters: |
|
36
|
|
|
* - `loader` a Loader object, to load templates. |
|
37
|
|
|
* |
|
38
|
|
|
* @param array $data Engine dependencie. |
|
39
|
|
|
*/ |
|
40
|
|
|
public function __construct(array $data) |
|
41
|
|
|
{ |
|
42
|
|
|
$this->setLoader($data['loader']); |
|
43
|
|
|
|
|
44
|
|
|
if (array_key_exists('cache', $data)) { |
|
45
|
|
|
$this->setCache($data['cache']); |
|
46
|
|
|
} |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
/** |
|
50
|
|
|
* @return string |
|
51
|
|
|
*/ |
|
52
|
|
|
abstract public function type(): string; |
|
53
|
|
|
|
|
54
|
|
|
/** |
|
55
|
|
|
* Render a template (from ident) with a given context. |
|
56
|
|
|
* |
|
57
|
|
|
* @param string $templateIdent The template identifier to load and render. |
|
58
|
|
|
* @param mixed $context The rendering context. |
|
59
|
|
|
* @return string The rendered template string. |
|
60
|
|
|
*/ |
|
61
|
|
|
public function render(string $templateIdent, $context): string |
|
62
|
|
|
{ |
|
63
|
|
|
$template = $this->loadTemplate($templateIdent); |
|
64
|
|
|
return $this->renderTemplate($template, $context); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
/** |
|
68
|
|
|
* @param string $templateString The template string to render. |
|
69
|
|
|
* @param mixed $context The rendering context. |
|
70
|
|
|
* @return string The rendered template string. |
|
71
|
|
|
*/ |
|
72
|
|
|
abstract public function renderTemplate(string $templateString, $context): string; |
|
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(string $templateIdent): string |
|
81
|
|
|
{ |
|
82
|
|
|
return $this->loader()->load($templateIdent); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* @param string $varName The name of the variable to set this template unto. |
|
87
|
|
|
* @param string|null $templateIdent The "dynamic template" to set. null to clear. |
|
88
|
|
|
* @return void |
|
89
|
|
|
*/ |
|
90
|
|
|
public function setDynamicTemplate(string $varName, ?string $templateIdent): void |
|
91
|
|
|
{ |
|
92
|
|
|
$this->loader()->setDynamicTemplate($varName, $templateIdent); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* Set the engine's cache implementation. |
|
97
|
|
|
* |
|
98
|
|
|
* @param mixed $cache A engine cache implementation, |
|
99
|
|
|
* an absolute path to the compiled views, |
|
100
|
|
|
* a boolean to enable/disable cache. |
|
101
|
|
|
* @return void |
|
102
|
|
|
*/ |
|
103
|
|
|
protected function setCache($cache): void |
|
104
|
|
|
{ |
|
105
|
|
|
$this->cache = $cache; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Get the engine's cache implementation. |
|
110
|
|
|
* |
|
111
|
|
|
* @return mixed |
|
112
|
|
|
*/ |
|
113
|
|
|
protected function cache() |
|
114
|
|
|
{ |
|
115
|
|
|
return $this->cache; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* @return LoaderInterface |
|
121
|
|
|
*/ |
|
122
|
|
|
protected function loader() : LoaderInterface |
|
123
|
|
|
{ |
|
124
|
|
|
return $this->loader; |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
|
|
128
|
|
|
|
|
129
|
|
|
/** |
|
130
|
|
|
* @param LoaderInterface $loader A loader instance. |
|
131
|
|
|
* @return void |
|
132
|
|
|
*/ |
|
133
|
|
|
private function setLoader(LoaderInterface $loader): void |
|
134
|
|
|
{ |
|
135
|
|
|
$this->loader = $loader; |
|
136
|
|
|
} |
|
137
|
|
|
} |
|
138
|
|
|
|
locomotivemtl /
charcoal-view
