1 | <?php |
---|
2 | |
---|
3 | /* |
---|
4 | * This file is part of the Assetic package, an OpenSky project. |
---|
5 | * |
---|
6 | * (c) 2010-2012 OpenSky Project Inc |
---|
7 | * |
---|
8 | * For the full copyright and license information, please view the LICENSE |
---|
9 | * file that was distributed with this source code. |
---|
10 | */ |
---|
11 | |
---|
12 | namespace Assetic\Filter; |
---|
13 | |
---|
14 | use Assetic\Asset\AssetInterface; |
---|
15 | use Assetic\Exception\FilterException; |
---|
16 | use Symfony\Component\Process\ProcessBuilder; |
---|
17 | |
---|
18 | /** |
---|
19 | * CSSEmbed filter |
---|
20 | * |
---|
21 | * @link https://github.com/nzakas/cssembed |
---|
22 | * @author Maxime Thirouin <maxime.thirouin@gmail.com> |
---|
23 | */ |
---|
24 | class CssEmbedFilter implements FilterInterface |
---|
25 | { |
---|
26 | private $jarPath; |
---|
27 | private $javaPath; |
---|
28 | private $charset; |
---|
29 | private $mhtml; // Enable MHTML mode. |
---|
30 | private $mhtmlRoot; // Use <root> as the MHTML root for the file. |
---|
31 | private $root; // Prepends <root> to all relative URLs. |
---|
32 | private $skipMissing; // Don't throw an error for missing image files. |
---|
33 | private $maxUriLength; // Maximum length for a data URI. Defaults to 32768. |
---|
34 | private $maxImageSize; // Maximum image size (in bytes) to convert. |
---|
35 | |
---|
36 | public function __construct($jarPath, $javaPath = '/usr/bin/java') |
---|
37 | { |
---|
38 | $this->jarPath = $jarPath; |
---|
39 | $this->javaPath = $javaPath; |
---|
40 | } |
---|
41 | |
---|
42 | public function setCharset($charset) |
---|
43 | { |
---|
44 | $this->charset = $charset; |
---|
45 | } |
---|
46 | |
---|
47 | public function setMhtml($mhtml) |
---|
48 | { |
---|
49 | $this->mhtml = $mhtml; |
---|
50 | } |
---|
51 | |
---|
52 | public function setMhtmlRoot($mhtmlRoot) |
---|
53 | { |
---|
54 | $this->mhtmlRoot = $mhtmlRoot; |
---|
55 | } |
---|
56 | |
---|
57 | public function setRoot($root) |
---|
58 | { |
---|
59 | $this->root = $root; |
---|
60 | } |
---|
61 | |
---|
62 | public function setSkipMissing($skipMissing) |
---|
63 | { |
---|
64 | $this->skipMissing = $skipMissing; |
---|
65 | } |
---|
66 | |
---|
67 | public function setMaxUriLength($maxUriLength) |
---|
68 | { |
---|
69 | $this->maxUriLength = $maxUriLength; |
---|
70 | } |
---|
71 | |
---|
72 | public function setMaxImageSize($maxImageSize) |
---|
73 | { |
---|
74 | $this->maxImageSize = $maxImageSize; |
---|
75 | } |
---|
76 | |
---|
77 | public function filterLoad(AssetInterface $asset) |
---|
78 | { |
---|
79 | } |
---|
80 | |
---|
81 | public function filterDump(AssetInterface $asset) |
---|
82 | { |
---|
83 | $pb = new ProcessBuilder(array( |
---|
84 | $this->javaPath, |
---|
85 | '-jar', |
---|
86 | $this->jarPath, |
---|
87 | )); |
---|
88 | |
---|
89 | if (null !== $this->charset) { |
---|
90 | $pb->add('--charset')->add($this->charset); |
---|
91 | } |
---|
92 | |
---|
93 | if ($this->mhtml) { |
---|
94 | $pb->add('--mhtml'); |
---|
95 | } |
---|
96 | |
---|
97 | if (null !== $this->mhtmlRoot) { |
---|
98 | $pb->add('--mhtmlroot')->add($this->mhtmlRoot); |
---|
99 | } |
---|
100 | |
---|
101 | // automatically define root if not already defined |
---|
102 | if (null === $this->root) { |
---|
103 | $root = $asset->getSourceRoot(); |
---|
104 | $path = $asset->getSourcePath(); |
---|
105 | |
---|
106 | if ($root && $path) { |
---|
107 | $pb->add('--root')->add(dirname($root.'/'.$path)); |
---|
108 | } |
---|
109 | } else { |
---|
110 | $pb->add('--root')->add($this->root); |
---|
111 | } |
---|
112 | |
---|
113 | if ($this->skipMissing) { |
---|
114 | $pb->add('--skip-missing'); |
---|
115 | } |
---|
116 | |
---|
117 | if (null !== $this->maxUriLength) { |
---|
118 | $pb->add('--max-uri-length')->add($this->maxUriLength); |
---|
119 | } |
---|
120 | |
---|
121 | if (null !== $this->maxImageSize) { |
---|
122 | $pb->add('--max-image-size')->add($this->maxImageSize); |
---|
123 | } |
---|
124 | |
---|
125 | // input |
---|
126 | $pb->add($input = tempnam(sys_get_temp_dir(), 'assetic_cssembed')); |
---|
127 | file_put_contents($input, $asset->getContent()); |
---|
128 | |
---|
129 | $proc = $pb->getProcess(); |
---|
130 | $code = $proc->run(); |
---|
131 | unlink($input); |
---|
132 | |
---|
133 | if (0 < $code) { |
---|
134 | throw FilterException::fromProcess($proc)->setInput($asset->getContent()); |
---|
135 | } |
---|
136 | |
---|
137 | $asset->setContent($proc->getOutput()); |
---|
138 | } |
---|
139 | } |
---|