-
Notifications
You must be signed in to change notification settings - Fork 580
/
AsseticNode.php
165 lines (137 loc) · 4.95 KB
/
AsseticNode.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
<?php
/*
* This file is part of the Assetic package, an OpenSky project.
*
* (c) 2010-2014 OpenSky Project Inc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Assetic\Extension\Twig;
use Assetic\Asset\AssetInterface;
class AsseticNode extends \Twig_Node
{
/**
* Constructor.
*
* Available attributes:
*
* * debug: The debug mode
* * combine: Whether to combine assets
* * var_name: The name of the variable to expose to the body node
*
* @param AssetInterface $asset The asset
* @param \Twig_Node $body The body node
* @param array $inputs An array of input strings
* @param array $filters An array of filter strings
* @param string $name The name of the asset
* @param array $attributes An array of attributes
* @param integer $lineno The line number
* @param string $tag The tag name
*/
public function __construct(AssetInterface $asset, \Twig_Node $body, array $inputs, array $filters, $name, array $attributes = array(), $lineno = 0, $tag = null)
{
$nodes = array('body' => $body);
$attributes = array_replace(
array('debug' => null, 'combine' => null, 'var_name' => 'asset_url'),
$attributes,
array('asset' => $asset, 'inputs' => $inputs, 'filters' => $filters, 'name' => $name)
);
parent::__construct($nodes, $attributes, $lineno, $tag);
}
public function compile(\Twig_Compiler $compiler)
{
$compiler->addDebugInfo($this);
$combine = $this->getAttribute('combine');
$debug = $this->getAttribute('debug');
if (null === $combine && null !== $debug) {
$combine = !$debug;
}
if (null === $combine) {
$compiler
->write("if (isset(\$context['assetic']['debug']) && \$context['assetic']['debug']) {\n")
->indent()
;
$this->compileDebug($compiler);
$compiler
->outdent()
->write("} else {\n")
->indent()
;
$this->compileAsset($compiler, $this->getAttribute('asset'), $this->getAttribute('name'));
$compiler
->outdent()
->write("}\n")
;
} elseif ($combine) {
$this->compileAsset($compiler, $this->getAttribute('asset'), $this->getAttribute('name'));
} else {
$this->compileDebug($compiler);
}
$compiler
->write('unset($context[')
->repr($this->getAttribute('var_name'))
->raw("]);\n")
;
}
protected function compileDebug(\Twig_Compiler $compiler)
{
$i = 0;
foreach ($this->getAttribute('asset') as $leaf) {
$leafName = $this->getAttribute('name').'_'.$i++;
$this->compileAsset($compiler, $leaf, $leafName);
}
}
protected function compileAsset(\Twig_Compiler $compiler, AssetInterface $asset, $name)
{
if ($vars = $asset->getVars()) {
$compiler->write("// check variable conditions\n");
foreach ($vars as $var) {
$compiler
->write("if (!isset(\$context['assetic']['vars']['$var'])) {\n")
->indent()
->write("throw new \RuntimeException(sprintf('The asset \"".$name."\" expected variable \"".$var."\" to be set, but got only these vars: %s. Did you set-up a value supplier?', isset(\$context['assetic']['vars']) && \$context['assetic']['vars'] ? implode(', ', \$context['assetic']['vars']) : '# none #'));\n")
->outdent()
->write("}\n")
;
}
$compiler->raw("\n");
}
$compiler
->write("// asset \"$name\"\n")
->write('$context[')
->repr($this->getAttribute('var_name'))
->raw('] = ')
;
$this->compileAssetUrl($compiler, $asset, $name);
$compiler
->raw(";\n")
->subcompile($this->getNode('body'))
;
}
protected function compileAssetUrl(\Twig_Compiler $compiler, AssetInterface $asset, $name)
{
if (!$vars = $asset->getVars()) {
$compiler->repr($asset->getTargetPath());
return;
}
$compiler
->raw("strtr(")
->string($asset->getTargetPath())
->raw(", array(");
$first = true;
foreach ($vars as $var) {
if (!$first) {
$compiler->raw(", ");
}
$first = false;
$compiler
->string("{".$var."}")
->raw(" => \$context['assetic']['vars']['$var']")
;
}
$compiler
->raw("))")
;
}
}