@@ -673,7 +673,7 @@ |
||
673 | 673 | 'Nikola "Dzonny" Novaković', |
674 | 674 | // Localizers |
675 | 675 | 'Dr. Deejay', |
676 | - 'd3vcho', |
|
676 | + 'd3vcho', |
|
677 | 677 | // Former Localizers |
678 | 678 | 'Relyana', |
679 | 679 | ), |
@@ -18,178 +18,178 @@ |
||
18 | 18 | */ |
19 | 19 | class Converter |
20 | 20 | { |
21 | - /** |
|
22 | - * @var string |
|
23 | - */ |
|
24 | - protected $from; |
|
25 | - |
|
26 | - /** |
|
27 | - * @var string |
|
28 | - */ |
|
29 | - protected $to; |
|
30 | - |
|
31 | - /** |
|
32 | - * @param string $from The original base path (directory, not file!) |
|
33 | - * @param string $to The new base path (directory, not file!) |
|
34 | - */ |
|
35 | - public function __construct($from, $to) |
|
36 | - { |
|
37 | - $shared = $this->shared($from, $to); |
|
38 | - if ($shared === '') { |
|
39 | - // when both paths have nothing in common, one of them is probably |
|
40 | - // absolute while the other is relative |
|
41 | - $cwd = getcwd(); |
|
42 | - $from = strpos($from, $cwd) === 0 ? $from : $cwd.'/'.$from; |
|
43 | - $to = strpos($to, $cwd) === 0 ? $to : $cwd.'/'.$to; |
|
44 | - |
|
45 | - // or traveling the tree via `..` |
|
46 | - // attempt to resolve path, or assume it's fine if it doesn't exist |
|
47 | - $from = realpath($from) ?: $from; |
|
48 | - $to = realpath($to) ?: $to; |
|
49 | - } |
|
50 | - |
|
51 | - $from = $this->dirname($from); |
|
52 | - $to = $this->dirname($to); |
|
53 | - |
|
54 | - $from = $this->normalize($from); |
|
55 | - $to = $this->normalize($to); |
|
56 | - |
|
57 | - $this->from = $from; |
|
58 | - $this->to = $to; |
|
59 | - } |
|
60 | - |
|
61 | - /** |
|
62 | - * Normalize path. |
|
63 | - * |
|
64 | - * @param string $path |
|
65 | - * |
|
66 | - * @return string |
|
67 | - */ |
|
68 | - protected function normalize($path) |
|
69 | - { |
|
70 | - // deal with different operating systems' directory structure |
|
71 | - $path = rtrim(str_replace(DIRECTORY_SEPARATOR, '/', $path), '/'); |
|
72 | - |
|
73 | - /* |
|
21 | + /** |
|
22 | + * @var string |
|
23 | + */ |
|
24 | + protected $from; |
|
25 | + |
|
26 | + /** |
|
27 | + * @var string |
|
28 | + */ |
|
29 | + protected $to; |
|
30 | + |
|
31 | + /** |
|
32 | + * @param string $from The original base path (directory, not file!) |
|
33 | + * @param string $to The new base path (directory, not file!) |
|
34 | + */ |
|
35 | + public function __construct($from, $to) |
|
36 | + { |
|
37 | + $shared = $this->shared($from, $to); |
|
38 | + if ($shared === '') { |
|
39 | + // when both paths have nothing in common, one of them is probably |
|
40 | + // absolute while the other is relative |
|
41 | + $cwd = getcwd(); |
|
42 | + $from = strpos($from, $cwd) === 0 ? $from : $cwd.'/'.$from; |
|
43 | + $to = strpos($to, $cwd) === 0 ? $to : $cwd.'/'.$to; |
|
44 | + |
|
45 | + // or traveling the tree via `..` |
|
46 | + // attempt to resolve path, or assume it's fine if it doesn't exist |
|
47 | + $from = realpath($from) ?: $from; |
|
48 | + $to = realpath($to) ?: $to; |
|
49 | + } |
|
50 | + |
|
51 | + $from = $this->dirname($from); |
|
52 | + $to = $this->dirname($to); |
|
53 | + |
|
54 | + $from = $this->normalize($from); |
|
55 | + $to = $this->normalize($to); |
|
56 | + |
|
57 | + $this->from = $from; |
|
58 | + $this->to = $to; |
|
59 | + } |
|
60 | + |
|
61 | + /** |
|
62 | + * Normalize path. |
|
63 | + * |
|
64 | + * @param string $path |
|
65 | + * |
|
66 | + * @return string |
|
67 | + */ |
|
68 | + protected function normalize($path) |
|
69 | + { |
|
70 | + // deal with different operating systems' directory structure |
|
71 | + $path = rtrim(str_replace(DIRECTORY_SEPARATOR, '/', $path), '/'); |
|
72 | + |
|
73 | + /* |
|
74 | 74 | * Example: |
75 | 75 | * /home/forkcms/frontend/cache/compiled_templates/../../core/layout/css/../images/img.gif |
76 | 76 | * to |
77 | 77 | * /home/forkcms/frontend/core/layout/images/img.gif |
78 | 78 | */ |
79 | - do { |
|
80 | - $path = preg_replace('/[^\/]+(?<!\.\.)\/\.\.\//', '', $path, -1, $count); |
|
81 | - } while ($count); |
|
82 | - |
|
83 | - return $path; |
|
84 | - } |
|
85 | - |
|
86 | - /** |
|
87 | - * Figure out the shared path of 2 locations. |
|
88 | - * |
|
89 | - * Example: |
|
90 | - * /home/forkcms/frontend/core/layout/images/img.gif |
|
91 | - * and |
|
92 | - * /home/forkcms/frontend/cache/minified_css |
|
93 | - * share |
|
94 | - * /home/forkcms/frontend |
|
95 | - * |
|
96 | - * @param string $path1 |
|
97 | - * @param string $path2 |
|
98 | - * |
|
99 | - * @return string |
|
100 | - */ |
|
101 | - protected function shared($path1, $path2) |
|
102 | - { |
|
103 | - // $path could theoretically be empty (e.g. no path is given), in which |
|
104 | - // case it shouldn't expand to array(''), which would compare to one's |
|
105 | - // root / |
|
106 | - $path1 = $path1 ? explode('/', $path1) : array(); |
|
107 | - $path2 = $path2 ? explode('/', $path2) : array(); |
|
108 | - |
|
109 | - $shared = array(); |
|
110 | - |
|
111 | - // compare paths & strip identical ancestors |
|
112 | - foreach ($path1 as $i => $chunk) { |
|
113 | - if (isset($path2[$i]) && $path1[$i] == $path2[$i]) { |
|
114 | - $shared[] = $chunk; |
|
115 | - } else { |
|
116 | - break; |
|
117 | - } |
|
118 | - } |
|
119 | - |
|
120 | - return implode('/', $shared); |
|
121 | - } |
|
122 | - |
|
123 | - /** |
|
124 | - * Convert paths relative from 1 file to another. |
|
125 | - * |
|
126 | - * E.g. |
|
127 | - * ../images/img.gif relative to /home/forkcms/frontend/core/layout/css |
|
128 | - * should become: |
|
129 | - * ../../core/layout/images/img.gif relative to |
|
130 | - * /home/forkcms/frontend/cache/minified_css |
|
131 | - * |
|
132 | - * @param string $path The relative path that needs to be converted. |
|
133 | - * |
|
134 | - * @return string The new relative path. |
|
135 | - */ |
|
136 | - public function convert($path) |
|
137 | - { |
|
138 | - // quit early if conversion makes no sense |
|
139 | - if ($this->from === $this->to) { |
|
140 | - return $path; |
|
141 | - } |
|
142 | - |
|
143 | - $path = $this->normalize($path); |
|
144 | - // if we're not dealing with a relative path, just return absolute |
|
145 | - if (strpos($path, '/') === 0) { |
|
146 | - return $path; |
|
147 | - } |
|
148 | - |
|
149 | - // normalize paths |
|
150 | - $path = $this->normalize($this->from.'/'.$path); |
|
151 | - |
|
152 | - // strip shared ancestor paths |
|
153 | - $shared = $this->shared($path, $this->to); |
|
154 | - $path = mb_substr($path, mb_strlen($shared)); |
|
155 | - $to = mb_substr($this->to, mb_strlen($shared)); |
|
156 | - |
|
157 | - // add .. for every directory that needs to be traversed to new path |
|
158 | - $to = str_repeat('../', mb_substr_count($to, '/')); |
|
159 | - |
|
160 | - return $to.ltrim($path, '/'); |
|
161 | - } |
|
162 | - |
|
163 | - /** |
|
164 | - * Attempt to get the directory name from a path. |
|
165 | - * |
|
166 | - * @param string $path |
|
167 | - * |
|
168 | - * @return string |
|
169 | - */ |
|
170 | - public function dirname($path) |
|
171 | - { |
|
172 | - if (is_file($path)) { |
|
173 | - return dirname($path); |
|
174 | - } |
|
175 | - |
|
176 | - if (is_dir($path)) { |
|
177 | - return rtrim($path, '/'); |
|
178 | - } |
|
179 | - |
|
180 | - // no known file/dir, start making assumptions |
|
181 | - |
|
182 | - // ends in / = dir |
|
183 | - if (mb_substr($path, -1) === '/') { |
|
184 | - return rtrim($path, '/'); |
|
185 | - } |
|
186 | - |
|
187 | - // has a dot in the name, likely a file |
|
188 | - if (preg_match('/.*\..*$/', basename($path)) !== 0) { |
|
189 | - return dirname($path); |
|
190 | - } |
|
191 | - |
|
192 | - // you're on your own here! |
|
193 | - return $path; |
|
194 | - } |
|
79 | + do { |
|
80 | + $path = preg_replace('/[^\/]+(?<!\.\.)\/\.\.\//', '', $path, -1, $count); |
|
81 | + } while ($count); |
|
82 | + |
|
83 | + return $path; |
|
84 | + } |
|
85 | + |
|
86 | + /** |
|
87 | + * Figure out the shared path of 2 locations. |
|
88 | + * |
|
89 | + * Example: |
|
90 | + * /home/forkcms/frontend/core/layout/images/img.gif |
|
91 | + * and |
|
92 | + * /home/forkcms/frontend/cache/minified_css |
|
93 | + * share |
|
94 | + * /home/forkcms/frontend |
|
95 | + * |
|
96 | + * @param string $path1 |
|
97 | + * @param string $path2 |
|
98 | + * |
|
99 | + * @return string |
|
100 | + */ |
|
101 | + protected function shared($path1, $path2) |
|
102 | + { |
|
103 | + // $path could theoretically be empty (e.g. no path is given), in which |
|
104 | + // case it shouldn't expand to array(''), which would compare to one's |
|
105 | + // root / |
|
106 | + $path1 = $path1 ? explode('/', $path1) : array(); |
|
107 | + $path2 = $path2 ? explode('/', $path2) : array(); |
|
108 | + |
|
109 | + $shared = array(); |
|
110 | + |
|
111 | + // compare paths & strip identical ancestors |
|
112 | + foreach ($path1 as $i => $chunk) { |
|
113 | + if (isset($path2[$i]) && $path1[$i] == $path2[$i]) { |
|
114 | + $shared[] = $chunk; |
|
115 | + } else { |
|
116 | + break; |
|
117 | + } |
|
118 | + } |
|
119 | + |
|
120 | + return implode('/', $shared); |
|
121 | + } |
|
122 | + |
|
123 | + /** |
|
124 | + * Convert paths relative from 1 file to another. |
|
125 | + * |
|
126 | + * E.g. |
|
127 | + * ../images/img.gif relative to /home/forkcms/frontend/core/layout/css |
|
128 | + * should become: |
|
129 | + * ../../core/layout/images/img.gif relative to |
|
130 | + * /home/forkcms/frontend/cache/minified_css |
|
131 | + * |
|
132 | + * @param string $path The relative path that needs to be converted. |
|
133 | + * |
|
134 | + * @return string The new relative path. |
|
135 | + */ |
|
136 | + public function convert($path) |
|
137 | + { |
|
138 | + // quit early if conversion makes no sense |
|
139 | + if ($this->from === $this->to) { |
|
140 | + return $path; |
|
141 | + } |
|
142 | + |
|
143 | + $path = $this->normalize($path); |
|
144 | + // if we're not dealing with a relative path, just return absolute |
|
145 | + if (strpos($path, '/') === 0) { |
|
146 | + return $path; |
|
147 | + } |
|
148 | + |
|
149 | + // normalize paths |
|
150 | + $path = $this->normalize($this->from.'/'.$path); |
|
151 | + |
|
152 | + // strip shared ancestor paths |
|
153 | + $shared = $this->shared($path, $this->to); |
|
154 | + $path = mb_substr($path, mb_strlen($shared)); |
|
155 | + $to = mb_substr($this->to, mb_strlen($shared)); |
|
156 | + |
|
157 | + // add .. for every directory that needs to be traversed to new path |
|
158 | + $to = str_repeat('../', mb_substr_count($to, '/')); |
|
159 | + |
|
160 | + return $to.ltrim($path, '/'); |
|
161 | + } |
|
162 | + |
|
163 | + /** |
|
164 | + * Attempt to get the directory name from a path. |
|
165 | + * |
|
166 | + * @param string $path |
|
167 | + * |
|
168 | + * @return string |
|
169 | + */ |
|
170 | + public function dirname($path) |
|
171 | + { |
|
172 | + if (is_file($path)) { |
|
173 | + return dirname($path); |
|
174 | + } |
|
175 | + |
|
176 | + if (is_dir($path)) { |
|
177 | + return rtrim($path, '/'); |
|
178 | + } |
|
179 | + |
|
180 | + // no known file/dir, start making assumptions |
|
181 | + |
|
182 | + // ends in / = dir |
|
183 | + if (mb_substr($path, -1) === '/') { |
|
184 | + return rtrim($path, '/'); |
|
185 | + } |
|
186 | + |
|
187 | + // has a dot in the name, likely a file |
|
188 | + if (preg_match('/.*\..*$/', basename($path)) !== 0) { |
|
189 | + return dirname($path); |
|
190 | + } |
|
191 | + |
|
192 | + // you're on your own here! |
|
193 | + return $path; |
|
194 | + } |
|
195 | 195 | } |
@@ -17,96 +17,96 @@ discard block |
||
17 | 17 | */ |
18 | 18 | class CSS extends Minify |
19 | 19 | { |
20 | - /** |
|
21 | - * @var int |
|
22 | - */ |
|
23 | - protected $maxImportSize = 5; |
|
24 | - |
|
25 | - /** |
|
26 | - * @var string[] |
|
27 | - */ |
|
28 | - protected $importExtensions = array( |
|
29 | - 'gif' => 'data:image/gif', |
|
30 | - 'png' => 'data:image/png', |
|
31 | - 'jpe' => 'data:image/jpeg', |
|
32 | - 'jpg' => 'data:image/jpeg', |
|
33 | - 'jpeg' => 'data:image/jpeg', |
|
34 | - 'svg' => 'data:image/svg+xml', |
|
35 | - 'woff' => 'data:application/x-font-woff', |
|
36 | - 'tif' => 'image/tiff', |
|
37 | - 'tiff' => 'image/tiff', |
|
38 | - 'xbm' => 'image/x-xbitmap', |
|
39 | - ); |
|
40 | - |
|
41 | - /** |
|
42 | - * Set the maximum size if files to be imported. |
|
43 | - * |
|
44 | - * Files larger than this size (in kB) will not be imported into the CSS. |
|
45 | - * Importing files into the CSS as data-uri will save you some connections, |
|
46 | - * but we should only import relatively small decorative images so that our |
|
47 | - * CSS file doesn't get too bulky. |
|
48 | - * |
|
49 | - * @param int $size Size in kB |
|
50 | - */ |
|
51 | - public function setMaxImportSize($size) |
|
52 | - { |
|
53 | - $this->maxImportSize = $size; |
|
54 | - } |
|
55 | - |
|
56 | - /** |
|
57 | - * Set the type of extensions to be imported into the CSS (to save network |
|
58 | - * connections). |
|
59 | - * Keys of the array should be the file extensions & respective values |
|
60 | - * should be the data type. |
|
61 | - * |
|
62 | - * @param string[] $extensions Array of file extensions |
|
63 | - */ |
|
64 | - public function setImportExtensions(array $extensions) |
|
65 | - { |
|
66 | - $this->importExtensions = $extensions; |
|
67 | - } |
|
68 | - |
|
69 | - /** |
|
70 | - * Move any import statements to the top. |
|
71 | - * |
|
72 | - * @param string $content Nearly finished CSS content |
|
73 | - * |
|
74 | - * @return string |
|
75 | - */ |
|
76 | - protected function moveImportsToTop($content) |
|
77 | - { |
|
78 | - if (preg_match_all('/@import[^;]+;/', $content, $matches)) { |
|
79 | - // remove from content |
|
80 | - foreach ($matches[0] as $import) { |
|
81 | - $content = str_replace($import, '', $content); |
|
82 | - } |
|
83 | - |
|
84 | - // add to top |
|
85 | - $content = implode('', $matches[0]).$content; |
|
86 | - } |
|
87 | - |
|
88 | - return $content; |
|
89 | - } |
|
90 | - |
|
91 | - /** |
|
92 | - * Combine CSS from import statements. |
|
93 | - * |
|
94 | - * @import's will be loaded and their content merged into the original file, |
|
95 | - * to save HTTP requests. |
|
96 | - * |
|
97 | - * @param string $source The file to combine imports for |
|
98 | - * @param string $content The CSS content to combine imports for |
|
99 | - * @param string[] $parents Parent paths, for circular reference checks |
|
100 | - * |
|
101 | - * @return string |
|
102 | - * |
|
103 | - * @throws FileImportException |
|
104 | - */ |
|
105 | - protected function combineImports($source, $content, $parents) |
|
106 | - { |
|
107 | - $importRegexes = array( |
|
108 | - // @import url(xxx) |
|
109 | - '/ |
|
20 | + /** |
|
21 | + * @var int |
|
22 | + */ |
|
23 | + protected $maxImportSize = 5; |
|
24 | + |
|
25 | + /** |
|
26 | + * @var string[] |
|
27 | + */ |
|
28 | + protected $importExtensions = array( |
|
29 | + 'gif' => 'data:image/gif', |
|
30 | + 'png' => 'data:image/png', |
|
31 | + 'jpe' => 'data:image/jpeg', |
|
32 | + 'jpg' => 'data:image/jpeg', |
|
33 | + 'jpeg' => 'data:image/jpeg', |
|
34 | + 'svg' => 'data:image/svg+xml', |
|
35 | + 'woff' => 'data:application/x-font-woff', |
|
36 | + 'tif' => 'image/tiff', |
|
37 | + 'tiff' => 'image/tiff', |
|
38 | + 'xbm' => 'image/x-xbitmap', |
|
39 | + ); |
|
40 | + |
|
41 | + /** |
|
42 | + * Set the maximum size if files to be imported. |
|
43 | + * |
|
44 | + * Files larger than this size (in kB) will not be imported into the CSS. |
|
45 | + * Importing files into the CSS as data-uri will save you some connections, |
|
46 | + * but we should only import relatively small decorative images so that our |
|
47 | + * CSS file doesn't get too bulky. |
|
48 | + * |
|
49 | + * @param int $size Size in kB |
|
50 | + */ |
|
51 | + public function setMaxImportSize($size) |
|
52 | + { |
|
53 | + $this->maxImportSize = $size; |
|
54 | + } |
|
55 | + |
|
56 | + /** |
|
57 | + * Set the type of extensions to be imported into the CSS (to save network |
|
58 | + * connections). |
|
59 | + * Keys of the array should be the file extensions & respective values |
|
60 | + * should be the data type. |
|
61 | + * |
|
62 | + * @param string[] $extensions Array of file extensions |
|
63 | + */ |
|
64 | + public function setImportExtensions(array $extensions) |
|
65 | + { |
|
66 | + $this->importExtensions = $extensions; |
|
67 | + } |
|
68 | + |
|
69 | + /** |
|
70 | + * Move any import statements to the top. |
|
71 | + * |
|
72 | + * @param string $content Nearly finished CSS content |
|
73 | + * |
|
74 | + * @return string |
|
75 | + */ |
|
76 | + protected function moveImportsToTop($content) |
|
77 | + { |
|
78 | + if (preg_match_all('/@import[^;]+;/', $content, $matches)) { |
|
79 | + // remove from content |
|
80 | + foreach ($matches[0] as $import) { |
|
81 | + $content = str_replace($import, '', $content); |
|
82 | + } |
|
83 | + |
|
84 | + // add to top |
|
85 | + $content = implode('', $matches[0]).$content; |
|
86 | + } |
|
87 | + |
|
88 | + return $content; |
|
89 | + } |
|
90 | + |
|
91 | + /** |
|
92 | + * Combine CSS from import statements. |
|
93 | + * |
|
94 | + * @import's will be loaded and their content merged into the original file, |
|
95 | + * to save HTTP requests. |
|
96 | + * |
|
97 | + * @param string $source The file to combine imports for |
|
98 | + * @param string $content The CSS content to combine imports for |
|
99 | + * @param string[] $parents Parent paths, for circular reference checks |
|
100 | + * |
|
101 | + * @return string |
|
102 | + * |
|
103 | + * @throws FileImportException |
|
104 | + */ |
|
105 | + protected function combineImports($source, $content, $parents) |
|
106 | + { |
|
107 | + $importRegexes = array( |
|
108 | + // @import url(xxx) |
|
109 | + '/ |
|
110 | 110 | # import statement |
111 | 111 | @import |
112 | 112 | |
@@ -151,8 +151,8 @@ discard block |
||
151 | 151 | |
152 | 152 | /ix', |
153 | 153 | |
154 | - // @import 'xxx' |
|
155 | - '/ |
|
154 | + // @import 'xxx' |
|
155 | + '/ |
|
156 | 156 | |
157 | 157 | # import statement |
158 | 158 | @import |
@@ -191,173 +191,173 @@ discard block |
||
191 | 191 | ;? |
192 | 192 | |
193 | 193 | /ix', |
194 | - ); |
|
195 | - |
|
196 | - // find all relative imports in css |
|
197 | - $matches = array(); |
|
198 | - foreach ($importRegexes as $importRegex) { |
|
199 | - if (preg_match_all($importRegex, $content, $regexMatches, PREG_SET_ORDER)) { |
|
200 | - $matches = array_merge($matches, $regexMatches); |
|
201 | - } |
|
202 | - } |
|
203 | - |
|
204 | - $search = array(); |
|
205 | - $replace = array(); |
|
206 | - |
|
207 | - // loop the matches |
|
208 | - foreach ($matches as $match) { |
|
209 | - // get the path for the file that will be imported |
|
210 | - $importPath = dirname($source).'/'.$match['path']; |
|
211 | - |
|
212 | - // only replace the import with the content if we can grab the |
|
213 | - // content of the file |
|
214 | - if ($this->canImportFile($importPath)) { |
|
215 | - // check if current file was not imported previously in the same |
|
216 | - // import chain. |
|
217 | - if (in_array($importPath, $parents)) { |
|
218 | - throw new FileImportException('Failed to import file "'.$importPath.'": circular reference detected.'); |
|
219 | - } |
|
220 | - |
|
221 | - // grab referenced file & minify it (which may include importing |
|
222 | - // yet other @import statements recursively) |
|
223 | - $minifier = new static($importPath); |
|
224 | - $importContent = $minifier->execute($source, $parents); |
|
225 | - |
|
226 | - // check if this is only valid for certain media |
|
227 | - if (!empty($match['media'])) { |
|
228 | - $importContent = '@media '.$match['media'].'{'.$importContent.'}'; |
|
229 | - } |
|
230 | - |
|
231 | - // add to replacement array |
|
232 | - $search[] = $match[0]; |
|
233 | - $replace[] = $importContent; |
|
234 | - } |
|
235 | - } |
|
236 | - |
|
237 | - // replace the import statements |
|
238 | - $content = str_replace($search, $replace, $content); |
|
239 | - |
|
240 | - return $content; |
|
241 | - } |
|
242 | - |
|
243 | - /** |
|
244 | - * Import files into the CSS, base64-ized. |
|
245 | - * |
|
246 | - * @url(image.jpg) images will be loaded and their content merged into the |
|
247 | - * original file, to save HTTP requests. |
|
248 | - * |
|
249 | - * @param string $source The file to import files for |
|
250 | - * @param string $content The CSS content to import files for |
|
251 | - * |
|
252 | - * @return string |
|
253 | - */ |
|
254 | - protected function importFiles($source, $content) |
|
255 | - { |
|
256 | - $extensions = array_keys($this->importExtensions); |
|
257 | - $regex = '/url\((["\']?)((?!["\']?data:).*?\.('.implode('|', $extensions).'))\\1\)/i'; |
|
258 | - if ($extensions && preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) { |
|
259 | - $search = array(); |
|
260 | - $replace = array(); |
|
261 | - |
|
262 | - // loop the matches |
|
263 | - foreach ($matches as $match) { |
|
264 | - // get the path for the file that will be imported |
|
265 | - $path = $match[2]; |
|
266 | - $path = dirname($source).'/'.$path; |
|
267 | - $extension = $match[3]; |
|
268 | - |
|
269 | - // only replace the import with the content if we're able to get |
|
270 | - // the content of the file, and it's relatively small |
|
271 | - if ($this->canImportFile($path) && $this->canImportBySize($path)) { |
|
272 | - // grab content && base64-ize |
|
273 | - $importContent = $this->load($path); |
|
274 | - $importContent = base64_encode($importContent); |
|
275 | - |
|
276 | - // build replacement |
|
277 | - $search[] = $match[0]; |
|
278 | - $replace[] = 'url('.$this->importExtensions[$extension].';base64,'.$importContent.')'; |
|
279 | - } |
|
280 | - } |
|
281 | - |
|
282 | - // replace the import statements |
|
283 | - $content = str_replace($search, $replace, $content); |
|
284 | - } |
|
285 | - |
|
286 | - return $content; |
|
287 | - } |
|
288 | - |
|
289 | - /** |
|
290 | - * Minify the data. |
|
291 | - * Perform CSS optimizations. |
|
292 | - * |
|
293 | - * @param string[optional] $path Path to write the data to |
|
294 | - * @param string[] $parents Parent paths, for circular reference checks |
|
295 | - * |
|
296 | - * @return string The minified data |
|
297 | - */ |
|
298 | - public function execute($path = null, $parents = array()) |
|
299 | - { |
|
300 | - $content = ''; |
|
301 | - |
|
302 | - // loop css data (raw data and files) |
|
303 | - foreach ($this->data as $source => $css) { |
|
304 | - /* |
|
194 | + ); |
|
195 | + |
|
196 | + // find all relative imports in css |
|
197 | + $matches = array(); |
|
198 | + foreach ($importRegexes as $importRegex) { |
|
199 | + if (preg_match_all($importRegex, $content, $regexMatches, PREG_SET_ORDER)) { |
|
200 | + $matches = array_merge($matches, $regexMatches); |
|
201 | + } |
|
202 | + } |
|
203 | + |
|
204 | + $search = array(); |
|
205 | + $replace = array(); |
|
206 | + |
|
207 | + // loop the matches |
|
208 | + foreach ($matches as $match) { |
|
209 | + // get the path for the file that will be imported |
|
210 | + $importPath = dirname($source).'/'.$match['path']; |
|
211 | + |
|
212 | + // only replace the import with the content if we can grab the |
|
213 | + // content of the file |
|
214 | + if ($this->canImportFile($importPath)) { |
|
215 | + // check if current file was not imported previously in the same |
|
216 | + // import chain. |
|
217 | + if (in_array($importPath, $parents)) { |
|
218 | + throw new FileImportException('Failed to import file "'.$importPath.'": circular reference detected.'); |
|
219 | + } |
|
220 | + |
|
221 | + // grab referenced file & minify it (which may include importing |
|
222 | + // yet other @import statements recursively) |
|
223 | + $minifier = new static($importPath); |
|
224 | + $importContent = $minifier->execute($source, $parents); |
|
225 | + |
|
226 | + // check if this is only valid for certain media |
|
227 | + if (!empty($match['media'])) { |
|
228 | + $importContent = '@media '.$match['media'].'{'.$importContent.'}'; |
|
229 | + } |
|
230 | + |
|
231 | + // add to replacement array |
|
232 | + $search[] = $match[0]; |
|
233 | + $replace[] = $importContent; |
|
234 | + } |
|
235 | + } |
|
236 | + |
|
237 | + // replace the import statements |
|
238 | + $content = str_replace($search, $replace, $content); |
|
239 | + |
|
240 | + return $content; |
|
241 | + } |
|
242 | + |
|
243 | + /** |
|
244 | + * Import files into the CSS, base64-ized. |
|
245 | + * |
|
246 | + * @url(image.jpg) images will be loaded and their content merged into the |
|
247 | + * original file, to save HTTP requests. |
|
248 | + * |
|
249 | + * @param string $source The file to import files for |
|
250 | + * @param string $content The CSS content to import files for |
|
251 | + * |
|
252 | + * @return string |
|
253 | + */ |
|
254 | + protected function importFiles($source, $content) |
|
255 | + { |
|
256 | + $extensions = array_keys($this->importExtensions); |
|
257 | + $regex = '/url\((["\']?)((?!["\']?data:).*?\.('.implode('|', $extensions).'))\\1\)/i'; |
|
258 | + if ($extensions && preg_match_all($regex, $content, $matches, PREG_SET_ORDER)) { |
|
259 | + $search = array(); |
|
260 | + $replace = array(); |
|
261 | + |
|
262 | + // loop the matches |
|
263 | + foreach ($matches as $match) { |
|
264 | + // get the path for the file that will be imported |
|
265 | + $path = $match[2]; |
|
266 | + $path = dirname($source).'/'.$path; |
|
267 | + $extension = $match[3]; |
|
268 | + |
|
269 | + // only replace the import with the content if we're able to get |
|
270 | + // the content of the file, and it's relatively small |
|
271 | + if ($this->canImportFile($path) && $this->canImportBySize($path)) { |
|
272 | + // grab content && base64-ize |
|
273 | + $importContent = $this->load($path); |
|
274 | + $importContent = base64_encode($importContent); |
|
275 | + |
|
276 | + // build replacement |
|
277 | + $search[] = $match[0]; |
|
278 | + $replace[] = 'url('.$this->importExtensions[$extension].';base64,'.$importContent.')'; |
|
279 | + } |
|
280 | + } |
|
281 | + |
|
282 | + // replace the import statements |
|
283 | + $content = str_replace($search, $replace, $content); |
|
284 | + } |
|
285 | + |
|
286 | + return $content; |
|
287 | + } |
|
288 | + |
|
289 | + /** |
|
290 | + * Minify the data. |
|
291 | + * Perform CSS optimizations. |
|
292 | + * |
|
293 | + * @param string[optional] $path Path to write the data to |
|
294 | + * @param string[] $parents Parent paths, for circular reference checks |
|
295 | + * |
|
296 | + * @return string The minified data |
|
297 | + */ |
|
298 | + public function execute($path = null, $parents = array()) |
|
299 | + { |
|
300 | + $content = ''; |
|
301 | + |
|
302 | + // loop css data (raw data and files) |
|
303 | + foreach ($this->data as $source => $css) { |
|
304 | + /* |
|
305 | 305 | * Let's first take out strings & comments, since we can't just remove |
306 | 306 | * whitespace anywhere. If whitespace occurs inside a string, we should |
307 | 307 | * leave it alone. E.g.: |
308 | 308 | * p { content: "a test" } |
309 | 309 | */ |
310 | - $this->extractStrings(); |
|
311 | - $this->stripComments(); |
|
312 | - $css = $this->replace($css); |
|
310 | + $this->extractStrings(); |
|
311 | + $this->stripComments(); |
|
312 | + $css = $this->replace($css); |
|
313 | 313 | |
314 | - $css = $this->stripWhitespace($css); |
|
315 | - $css = $this->shortenHex($css); |
|
316 | - $css = $this->shortenZeroes($css); |
|
317 | - $css = $this->shortenFontWeights($css); |
|
318 | - $css = $this->stripEmptyTags($css); |
|
314 | + $css = $this->stripWhitespace($css); |
|
315 | + $css = $this->shortenHex($css); |
|
316 | + $css = $this->shortenZeroes($css); |
|
317 | + $css = $this->shortenFontWeights($css); |
|
318 | + $css = $this->stripEmptyTags($css); |
|
319 | 319 | |
320 | - // restore the string we've extracted earlier |
|
321 | - $css = $this->restoreExtractedData($css); |
|
320 | + // restore the string we've extracted earlier |
|
321 | + $css = $this->restoreExtractedData($css); |
|
322 | 322 | |
323 | - $source = is_int($source) ? '' : $source; |
|
324 | - $parents = $source ? array_merge($parents, array($source)) : $parents; |
|
325 | - $css = $this->combineImports($source, $css, $parents); |
|
326 | - $css = $this->importFiles($source, $css); |
|
323 | + $source = is_int($source) ? '' : $source; |
|
324 | + $parents = $source ? array_merge($parents, array($source)) : $parents; |
|
325 | + $css = $this->combineImports($source, $css, $parents); |
|
326 | + $css = $this->importFiles($source, $css); |
|
327 | 327 | |
328 | - /* |
|
328 | + /* |
|
329 | 329 | * If we'll save to a new path, we'll have to fix the relative paths |
330 | 330 | * to be relative no longer to the source file, but to the new path. |
331 | 331 | * If we don't write to a file, fall back to same path so no |
332 | 332 | * conversion happens (because we still want it to go through most |
333 | 333 | * of the move code...) |
334 | 334 | */ |
335 | - $converter = new Converter($source, $path ?: $source); |
|
336 | - $css = $this->move($converter, $css); |
|
337 | - |
|
338 | - // combine css |
|
339 | - $content .= $css; |
|
340 | - } |
|
341 | - |
|
342 | - $content = $this->moveImportsToTop($content); |
|
343 | - |
|
344 | - return $content; |
|
345 | - } |
|
346 | - |
|
347 | - /** |
|
348 | - * Moving a css file should update all relative urls. |
|
349 | - * Relative references (e.g. ../images/image.gif) in a certain css file, |
|
350 | - * will have to be updated when a file is being saved at another location |
|
351 | - * (e.g. ../../images/image.gif, if the new CSS file is 1 folder deeper). |
|
352 | - * |
|
353 | - * @param Converter $converter Relative path converter |
|
354 | - * @param string $content The CSS content to update relative urls for |
|
355 | - * |
|
356 | - * @return string |
|
357 | - */ |
|
358 | - protected function move(Converter $converter, $content) |
|
359 | - { |
|
360 | - /* |
|
335 | + $converter = new Converter($source, $path ?: $source); |
|
336 | + $css = $this->move($converter, $css); |
|
337 | + |
|
338 | + // combine css |
|
339 | + $content .= $css; |
|
340 | + } |
|
341 | + |
|
342 | + $content = $this->moveImportsToTop($content); |
|
343 | + |
|
344 | + return $content; |
|
345 | + } |
|
346 | + |
|
347 | + /** |
|
348 | + * Moving a css file should update all relative urls. |
|
349 | + * Relative references (e.g. ../images/image.gif) in a certain css file, |
|
350 | + * will have to be updated when a file is being saved at another location |
|
351 | + * (e.g. ../../images/image.gif, if the new CSS file is 1 folder deeper). |
|
352 | + * |
|
353 | + * @param Converter $converter Relative path converter |
|
354 | + * @param string $content The CSS content to update relative urls for |
|
355 | + * |
|
356 | + * @return string |
|
357 | + */ |
|
358 | + protected function move(Converter $converter, $content) |
|
359 | + { |
|
360 | + /* |
|
361 | 361 | * Relative path references will usually be enclosed by url(). @import |
362 | 362 | * is an exception, where url() is not necessary around the path (but is |
363 | 363 | * allowed). |
@@ -368,9 +368,9 @@ discard block |
||
368 | 368 | * recent PCRE version. That's why I'm doing 2 separate regular |
369 | 369 | * expressions & combining the matches after executing of both. |
370 | 370 | */ |
371 | - $relativeRegexes = array( |
|
372 | - // url(xxx) |
|
373 | - '/ |
|
371 | + $relativeRegexes = array( |
|
372 | + // url(xxx) |
|
373 | + '/ |
|
374 | 374 | # open url() |
375 | 375 | url\( |
376 | 376 | |
@@ -402,8 +402,8 @@ discard block |
||
402 | 402 | |
403 | 403 | /ix', |
404 | 404 | |
405 | - // @import "xxx" |
|
406 | - '/ |
|
405 | + // @import "xxx" |
|
406 | + '/ |
|
407 | 407 | # import statement |
408 | 408 | @import |
409 | 409 | |
@@ -432,243 +432,243 @@ discard block |
||
432 | 432 | (?P=quotes) |
433 | 433 | |
434 | 434 | /ix', |
435 | - ); |
|
436 | - |
|
437 | - // find all relative urls in css |
|
438 | - $matches = array(); |
|
439 | - foreach ($relativeRegexes as $relativeRegex) { |
|
440 | - if (preg_match_all($relativeRegex, $content, $regexMatches, PREG_SET_ORDER)) { |
|
441 | - $matches = array_merge($matches, $regexMatches); |
|
442 | - } |
|
443 | - } |
|
444 | - |
|
445 | - $search = array(); |
|
446 | - $replace = array(); |
|
447 | - |
|
448 | - // loop all urls |
|
449 | - foreach ($matches as $match) { |
|
450 | - // determine if it's a url() or an @import match |
|
451 | - $type = (strpos($match[0], '@import') === 0 ? 'import' : 'url'); |
|
452 | - |
|
453 | - // attempting to interpret GET-params makes no sense, so let's discard them for awhile |
|
454 | - $params = strrchr($match['path'], '?'); |
|
455 | - $url = $params ? substr($match['path'], 0, -strlen($params)) : $match['path']; |
|
456 | - |
|
457 | - // fix relative url |
|
458 | - $url = $converter->convert($url); |
|
459 | - |
|
460 | - // now that the path has been converted, re-apply GET-params |
|
461 | - $url .= $params; |
|
462 | - |
|
463 | - // build replacement |
|
464 | - $search[] = $match[0]; |
|
465 | - if ($type == 'url') { |
|
466 | - $replace[] = 'url('.$url.')'; |
|
467 | - } elseif ($type == 'import') { |
|
468 | - $replace[] = '@import "'.$url.'"'; |
|
469 | - } |
|
470 | - } |
|
471 | - |
|
472 | - // replace urls |
|
473 | - $content = str_replace($search, $replace, $content); |
|
474 | - |
|
475 | - return $content; |
|
476 | - } |
|
477 | - |
|
478 | - /** |
|
479 | - * Shorthand hex color codes. |
|
480 | - * #FF0000 -> #F00. |
|
481 | - * |
|
482 | - * @param string $content The CSS content to shorten the hex color codes for |
|
483 | - * |
|
484 | - * @return string |
|
485 | - */ |
|
486 | - protected function shortenHex($content) |
|
487 | - { |
|
488 | - $content = preg_replace('/(?<=[: ])#([0-9a-z])\\1([0-9a-z])\\2([0-9a-z])\\3(?=[; }])/i', '#$1$2$3', $content); |
|
489 | - |
|
490 | - // we can shorten some even more by replacing them with their color name |
|
491 | - $colors = array( |
|
492 | - '#F0FFFF' => 'azure', |
|
493 | - '#F5F5DC' => 'beige', |
|
494 | - '#A52A2A' => 'brown', |
|
495 | - '#FF7F50' => 'coral', |
|
496 | - '#FFD700' => 'gold', |
|
497 | - '#808080' => 'gray', |
|
498 | - '#008000' => 'green', |
|
499 | - '#4B0082' => 'indigo', |
|
500 | - '#FFFFF0' => 'ivory', |
|
501 | - '#F0E68C' => 'khaki', |
|
502 | - '#FAF0E6' => 'linen', |
|
503 | - '#800000' => 'maroon', |
|
504 | - '#000080' => 'navy', |
|
505 | - '#808000' => 'olive', |
|
506 | - '#CD853F' => 'peru', |
|
507 | - '#FFC0CB' => 'pink', |
|
508 | - '#DDA0DD' => 'plum', |
|
509 | - '#800080' => 'purple', |
|
510 | - '#F00' => 'red', |
|
511 | - '#FA8072' => 'salmon', |
|
512 | - '#A0522D' => 'sienna', |
|
513 | - '#C0C0C0' => 'silver', |
|
514 | - '#FFFAFA' => 'snow', |
|
515 | - '#D2B48C' => 'tan', |
|
516 | - '#FF6347' => 'tomato', |
|
517 | - '#EE82EE' => 'violet', |
|
518 | - '#F5DEB3' => 'wheat', |
|
519 | - ); |
|
520 | - |
|
521 | - return preg_replace_callback( |
|
522 | - '/(?<=[: ])('.implode(array_keys($colors), '|').')(?=[; }])/i', |
|
523 | - function ($match) use ($colors) { |
|
524 | - return $colors[strtoupper($match[0])]; |
|
525 | - }, |
|
526 | - $content |
|
527 | - ); |
|
528 | - } |
|
529 | - |
|
530 | - /** |
|
531 | - * Shorten CSS font weights. |
|
532 | - * |
|
533 | - * @param string $content The CSS content to shorten the font weights for |
|
534 | - * |
|
535 | - * @return string |
|
536 | - */ |
|
537 | - protected function shortenFontWeights($content) |
|
538 | - { |
|
539 | - $weights = array( |
|
540 | - 'normal' => 400, |
|
541 | - 'bold' => 700, |
|
542 | - ); |
|
543 | - |
|
544 | - $callback = function ($match) use ($weights) { |
|
545 | - return $match[1].$weights[$match[2]]; |
|
546 | - }; |
|
547 | - |
|
548 | - return preg_replace_callback('/(font-weight\s*:\s*)('.implode('|', array_keys($weights)).')(?=[;}])/', $callback, $content); |
|
549 | - } |
|
550 | - |
|
551 | - /** |
|
552 | - * Shorthand 0 values to plain 0, instead of e.g. -0em. |
|
553 | - * |
|
554 | - * @param string $content The CSS content to shorten the zero values for |
|
555 | - * |
|
556 | - * @return string |
|
557 | - */ |
|
558 | - protected function shortenZeroes($content) |
|
559 | - { |
|
560 | - // reusable bits of code throughout these regexes: |
|
561 | - // before & after are used to make sure we don't match lose unintended |
|
562 | - // 0-like values (e.g. in #000, or in http://url/1.0) |
|
563 | - // units can be stripped from 0 values, or used to recognize non 0 |
|
564 | - // values (where wa may be able to strip a .0 suffix) |
|
565 | - $before = '(?<=[:(, ])'; |
|
566 | - $after = '(?=[ ,);}])'; |
|
567 | - $units = '(em|ex|%|px|cm|mm|in|pt|pc|ch|rem|vh|vw|vmin|vmax|vm)'; |
|
568 | - |
|
569 | - // strip units after zeroes (0px -> 0) |
|
570 | - // NOTE: it should be safe to remove all units for a 0 value, but in |
|
571 | - // practice, Webkit (especially Safari) seems to stumble over at least |
|
572 | - // 0%, potentially other units as well. Only stripping 'px' for now. |
|
573 | - // @see https://github.com/matthiasmullie/minify/issues/60 |
|
574 | - $content = preg_replace('/'.$before.'(-?0*(\.0+)?)(?<=0)px'.$after.'/', '\\1', $content); |
|
575 | - |
|
576 | - // strip 0-digits (.0 -> 0) |
|
577 | - $content = preg_replace('/'.$before.'\.0+'.$units.'?'.$after.'/', '0\\1', $content); |
|
578 | - // strip trailing 0: 50.10 -> 50.1, 50.10px -> 50.1px |
|
579 | - $content = preg_replace('/'.$before.'(-?[0-9]+\.[0-9]+)0+'.$units.'?'.$after.'/', '\\1\\2', $content); |
|
580 | - // strip trailing 0: 50.00 -> 50, 50.00px -> 50px |
|
581 | - $content = preg_replace('/'.$before.'(-?[0-9]+)\.0+'.$units.'?'.$after.'/', '\\1\\2', $content); |
|
582 | - // strip leading 0: 0.1 -> .1, 01.1 -> 1.1 |
|
583 | - $content = preg_replace('/'.$before.'(-?)0+([0-9]*\.[0-9]+)'.$units.'?'.$after.'/', '\\1\\2\\3', $content); |
|
584 | - |
|
585 | - // strip negative zeroes (-0 -> 0) & truncate zeroes (00 -> 0) |
|
586 | - $content = preg_replace('/'.$before.'-?0+'.$units.'?'.$after.'/', '0\\1', $content); |
|
587 | - |
|
588 | - // remove zeroes where they make no sense in calc: e.g. calc(100px - 0) |
|
589 | - // the 0 doesn't have any effect, and this isn't even valid without unit |
|
590 | - // strip all `+ 0` or `- 0` occurrences: calc(10% + 0) -> calc(10%) |
|
591 | - // looped because there may be multiple 0s inside 1 group of parentheses |
|
592 | - do { |
|
593 | - $previous = $content; |
|
594 | - $content = preg_replace('/\(([^\(\)]+)\s+[\+\-]\s+0(\s+[^\(\)]+)?\)/', '(\\1\\2)', $content); |
|
595 | - } while ($content !== $previous); |
|
596 | - // strip all `0 +` occurrences: calc(0 + 10%) -> calc(10%) |
|
597 | - $content = preg_replace('/\(\s*0\s+\+\s+([^\(\)]+)\)/', '(\\1)', $content); |
|
598 | - // strip all `0 -` occurrences: calc(0 - 10%) -> calc(-10%) |
|
599 | - $content = preg_replace('/\(\s*0\s+\-\s+([^\(\)]+)\)/', '(-\\1)', $content); |
|
600 | - // I'm not going to attempt to optimize away `x * 0` instances: |
|
601 | - // it's dumb enough code already that it likely won't occur, and it's |
|
602 | - // too complex to do right (order of operations would have to be |
|
603 | - // respected etc) |
|
604 | - // what I cared about most here was fixing incorrectly truncated units |
|
605 | - |
|
606 | - return $content; |
|
607 | - } |
|
608 | - |
|
609 | - /** |
|
610 | - * Strip comments from source code. |
|
611 | - * |
|
612 | - * @param string $content |
|
613 | - * |
|
614 | - * @return string |
|
615 | - */ |
|
616 | - protected function stripEmptyTags($content) |
|
617 | - { |
|
618 | - return preg_replace('/(^|\}|;)[^\{\};]+\{\s*\}/', '\\1', $content); |
|
619 | - } |
|
620 | - |
|
621 | - /** |
|
622 | - * Strip comments from source code. |
|
623 | - */ |
|
624 | - protected function stripComments() |
|
625 | - { |
|
626 | - $this->registerPattern('/\/\*.*?\*\//s', ''); |
|
627 | - } |
|
628 | - |
|
629 | - /** |
|
630 | - * Strip whitespace. |
|
631 | - * |
|
632 | - * @param string $content The CSS content to strip the whitespace for |
|
633 | - * |
|
634 | - * @return string |
|
635 | - */ |
|
636 | - protected function stripWhitespace($content) |
|
637 | - { |
|
638 | - // remove leading & trailing whitespace |
|
639 | - $content = preg_replace('/^\s*/m', '', $content); |
|
640 | - $content = preg_replace('/\s*$/m', '', $content); |
|
641 | - |
|
642 | - // replace newlines with a single space |
|
643 | - $content = preg_replace('/\s+/', ' ', $content); |
|
644 | - |
|
645 | - // remove whitespace around meta characters |
|
646 | - // inspired by stackoverflow.com/questions/15195750/minify-compress-css-with-regex |
|
647 | - $content = preg_replace('/\s*([\*$~^|]?+=|[{};,>~]|!important\b)\s*/', '$1', $content); |
|
648 | - $content = preg_replace('/([\[(:])\s+/', '$1', $content); |
|
649 | - $content = preg_replace('/\s+([\]\)])/', '$1', $content); |
|
650 | - $content = preg_replace('/\s+(:)(?![^\}]*\{)/', '$1', $content); |
|
651 | - |
|
652 | - // whitespace around + and - can only be stripped in selectors, like |
|
653 | - // :nth-child(3+2n), not in things like calc(3px + 2px) or shorthands |
|
654 | - // like 3px -2px |
|
655 | - $content = preg_replace('/\s*([+-])\s*(?=[^}]*{)/', '$1', $content); |
|
656 | - |
|
657 | - // remove semicolon/whitespace followed by closing bracket |
|
658 | - $content = str_replace(';}', '}', $content); |
|
659 | - |
|
660 | - return trim($content); |
|
661 | - } |
|
662 | - |
|
663 | - /** |
|
664 | - * Check if file is small enough to be imported. |
|
665 | - * |
|
666 | - * @param string $path The path to the file |
|
667 | - * |
|
668 | - * @return bool |
|
669 | - */ |
|
670 | - protected function canImportBySize($path) |
|
671 | - { |
|
672 | - return ($size = @filesize($path)) && $size <= $this->maxImportSize * 1024; |
|
673 | - } |
|
435 | + ); |
|
436 | + |
|
437 | + // find all relative urls in css |
|
438 | + $matches = array(); |
|
439 | + foreach ($relativeRegexes as $relativeRegex) { |
|
440 | + if (preg_match_all($relativeRegex, $content, $regexMatches, PREG_SET_ORDER)) { |
|
441 | + $matches = array_merge($matches, $regexMatches); |
|
442 | + } |
|
443 | + } |
|
444 | + |
|
445 | + $search = array(); |
|
446 | + $replace = array(); |
|
447 | + |
|
448 | + // loop all urls |
|
449 | + foreach ($matches as $match) { |
|
450 | + // determine if it's a url() or an @import match |
|
451 | + $type = (strpos($match[0], '@import') === 0 ? 'import' : 'url'); |
|
452 | + |
|
453 | + // attempting to interpret GET-params makes no sense, so let's discard them for awhile |
|
454 | + $params = strrchr($match['path'], '?'); |
|
455 | + $url = $params ? substr($match['path'], 0, -strlen($params)) : $match['path']; |
|
456 | + |
|
457 | + // fix relative url |
|
458 | + $url = $converter->convert($url); |
|
459 | + |
|
460 | + // now that the path has been converted, re-apply GET-params |
|
461 | + $url .= $params; |
|
462 | + |
|
463 | + // build replacement |
|
464 | + $search[] = $match[0]; |
|
465 | + if ($type == 'url') { |
|
466 | + $replace[] = 'url('.$url.')'; |
|
467 | + } elseif ($type == 'import') { |
|
468 | + $replace[] = '@import "'.$url.'"'; |
|
469 | + } |
|
470 | + } |
|
471 | + |
|
472 | + // replace urls |
|
473 | + $content = str_replace($search, $replace, $content); |
|
474 | + |
|
475 | + return $content; |
|
476 | + } |
|
477 | + |
|
478 | + /** |
|
479 | + * Shorthand hex color codes. |
|
480 | + * #FF0000 -> #F00. |
|
481 | + * |
|
482 | + * @param string $content The CSS content to shorten the hex color codes for |
|
483 | + * |
|
484 | + * @return string |
|
485 | + */ |
|
486 | + protected function shortenHex($content) |
|
487 | + { |
|
488 | + $content = preg_replace('/(?<=[: ])#([0-9a-z])\\1([0-9a-z])\\2([0-9a-z])\\3(?=[; }])/i', '#$1$2$3', $content); |
|
489 | + |
|
490 | + // we can shorten some even more by replacing them with their color name |
|
491 | + $colors = array( |
|
492 | + '#F0FFFF' => 'azure', |
|
493 | + '#F5F5DC' => 'beige', |
|
494 | + '#A52A2A' => 'brown', |
|
495 | + '#FF7F50' => 'coral', |
|
496 | + '#FFD700' => 'gold', |
|
497 | + '#808080' => 'gray', |
|
498 | + '#008000' => 'green', |
|
499 | + '#4B0082' => 'indigo', |
|
500 | + '#FFFFF0' => 'ivory', |
|
501 | + '#F0E68C' => 'khaki', |
|
502 | + '#FAF0E6' => 'linen', |
|
503 | + '#800000' => 'maroon', |
|
504 | + '#000080' => 'navy', |
|
505 | + '#808000' => 'olive', |
|
506 | + '#CD853F' => 'peru', |
|
507 | + '#FFC0CB' => 'pink', |
|
508 | + '#DDA0DD' => 'plum', |
|
509 | + '#800080' => 'purple', |
|
510 | + '#F00' => 'red', |
|
511 | + '#FA8072' => 'salmon', |
|
512 | + '#A0522D' => 'sienna', |
|
513 | + '#C0C0C0' => 'silver', |
|
514 | + '#FFFAFA' => 'snow', |
|
515 | + '#D2B48C' => 'tan', |
|
516 | + '#FF6347' => 'tomato', |
|
517 | + '#EE82EE' => 'violet', |
|
518 | + '#F5DEB3' => 'wheat', |
|
519 | + ); |
|
520 | + |
|
521 | + return preg_replace_callback( |
|
522 | + '/(?<=[: ])('.implode(array_keys($colors), '|').')(?=[; }])/i', |
|
523 | + function ($match) use ($colors) { |
|
524 | + return $colors[strtoupper($match[0])]; |
|
525 | + }, |
|
526 | + $content |
|
527 | + ); |
|
528 | + } |
|
529 | + |
|
530 | + /** |
|
531 | + * Shorten CSS font weights. |
|
532 | + * |
|
533 | + * @param string $content The CSS content to shorten the font weights for |
|
534 | + * |
|
535 | + * @return string |
|
536 | + */ |
|
537 | + protected function shortenFontWeights($content) |
|
538 | + { |
|
539 | + $weights = array( |
|
540 | + 'normal' => 400, |
|
541 | + 'bold' => 700, |
|
542 | + ); |
|
543 | + |
|
544 | + $callback = function ($match) use ($weights) { |
|
545 | + return $match[1].$weights[$match[2]]; |
|
546 | + }; |
|
547 | + |
|
548 | + return preg_replace_callback('/(font-weight\s*:\s*)('.implode('|', array_keys($weights)).')(?=[;}])/', $callback, $content); |
|
549 | + } |
|
550 | + |
|
551 | + /** |
|
552 | + * Shorthand 0 values to plain 0, instead of e.g. -0em. |
|
553 | + * |
|
554 | + * @param string $content The CSS content to shorten the zero values for |
|
555 | + * |
|
556 | + * @return string |
|
557 | + */ |
|
558 | + protected function shortenZeroes($content) |
|
559 | + { |
|
560 | + // reusable bits of code throughout these regexes: |
|
561 | + // before & after are used to make sure we don't match lose unintended |
|
562 | + // 0-like values (e.g. in #000, or in http://url/1.0) |
|
563 | + // units can be stripped from 0 values, or used to recognize non 0 |
|
564 | + // values (where wa may be able to strip a .0 suffix) |
|
565 | + $before = '(?<=[:(, ])'; |
|
566 | + $after = '(?=[ ,);}])'; |
|
567 | + $units = '(em|ex|%|px|cm|mm|in|pt|pc|ch|rem|vh|vw|vmin|vmax|vm)'; |
|
568 | + |
|
569 | + // strip units after zeroes (0px -> 0) |
|
570 | + // NOTE: it should be safe to remove all units for a 0 value, but in |
|
571 | + // practice, Webkit (especially Safari) seems to stumble over at least |
|
572 | + // 0%, potentially other units as well. Only stripping 'px' for now. |
|
573 | + // @see https://github.com/matthiasmullie/minify/issues/60 |
|
574 | + $content = preg_replace('/'.$before.'(-?0*(\.0+)?)(?<=0)px'.$after.'/', '\\1', $content); |
|
575 | + |
|
576 | + // strip 0-digits (.0 -> 0) |
|
577 | + $content = preg_replace('/'.$before.'\.0+'.$units.'?'.$after.'/', '0\\1', $content); |
|
578 | + // strip trailing 0: 50.10 -> 50.1, 50.10px -> 50.1px |
|
579 | + $content = preg_replace('/'.$before.'(-?[0-9]+\.[0-9]+)0+'.$units.'?'.$after.'/', '\\1\\2', $content); |
|
580 | + // strip trailing 0: 50.00 -> 50, 50.00px -> 50px |
|
581 | + $content = preg_replace('/'.$before.'(-?[0-9]+)\.0+'.$units.'?'.$after.'/', '\\1\\2', $content); |
|
582 | + // strip leading 0: 0.1 -> .1, 01.1 -> 1.1 |
|
583 | + $content = preg_replace('/'.$before.'(-?)0+([0-9]*\.[0-9]+)'.$units.'?'.$after.'/', '\\1\\2\\3', $content); |
|
584 | + |
|
585 | + // strip negative zeroes (-0 -> 0) & truncate zeroes (00 -> 0) |
|
586 | + $content = preg_replace('/'.$before.'-?0+'.$units.'?'.$after.'/', '0\\1', $content); |
|
587 | + |
|
588 | + // remove zeroes where they make no sense in calc: e.g. calc(100px - 0) |
|
589 | + // the 0 doesn't have any effect, and this isn't even valid without unit |
|
590 | + // strip all `+ 0` or `- 0` occurrences: calc(10% + 0) -> calc(10%) |
|
591 | + // looped because there may be multiple 0s inside 1 group of parentheses |
|
592 | + do { |
|
593 | + $previous = $content; |
|
594 | + $content = preg_replace('/\(([^\(\)]+)\s+[\+\-]\s+0(\s+[^\(\)]+)?\)/', '(\\1\\2)', $content); |
|
595 | + } while ($content !== $previous); |
|
596 | + // strip all `0 +` occurrences: calc(0 + 10%) -> calc(10%) |
|
597 | + $content = preg_replace('/\(\s*0\s+\+\s+([^\(\)]+)\)/', '(\\1)', $content); |
|
598 | + // strip all `0 -` occurrences: calc(0 - 10%) -> calc(-10%) |
|
599 | + $content = preg_replace('/\(\s*0\s+\-\s+([^\(\)]+)\)/', '(-\\1)', $content); |
|
600 | + // I'm not going to attempt to optimize away `x * 0` instances: |
|
601 | + // it's dumb enough code already that it likely won't occur, and it's |
|
602 | + // too complex to do right (order of operations would have to be |
|
603 | + // respected etc) |
|
604 | + // what I cared about most here was fixing incorrectly truncated units |
|
605 | + |
|
606 | + return $content; |
|
607 | + } |
|
608 | + |
|
609 | + /** |
|
610 | + * Strip comments from source code. |
|
611 | + * |
|
612 | + * @param string $content |
|
613 | + * |
|
614 | + * @return string |
|
615 | + */ |
|
616 | + protected function stripEmptyTags($content) |
|
617 | + { |
|
618 | + return preg_replace('/(^|\}|;)[^\{\};]+\{\s*\}/', '\\1', $content); |
|
619 | + } |
|
620 | + |
|
621 | + /** |
|
622 | + * Strip comments from source code. |
|
623 | + */ |
|
624 | + protected function stripComments() |
|
625 | + { |
|
626 | + $this->registerPattern('/\/\*.*?\*\//s', ''); |
|
627 | + } |
|
628 | + |
|
629 | + /** |
|
630 | + * Strip whitespace. |
|
631 | + * |
|
632 | + * @param string $content The CSS content to strip the whitespace for |
|
633 | + * |
|
634 | + * @return string |
|
635 | + */ |
|
636 | + protected function stripWhitespace($content) |
|
637 | + { |
|
638 | + // remove leading & trailing whitespace |
|
639 | + $content = preg_replace('/^\s*/m', '', $content); |
|
640 | + $content = preg_replace('/\s*$/m', '', $content); |
|
641 | + |
|
642 | + // replace newlines with a single space |
|
643 | + $content = preg_replace('/\s+/', ' ', $content); |
|
644 | + |
|
645 | + // remove whitespace around meta characters |
|
646 | + // inspired by stackoverflow.com/questions/15195750/minify-compress-css-with-regex |
|
647 | + $content = preg_replace('/\s*([\*$~^|]?+=|[{};,>~]|!important\b)\s*/', '$1', $content); |
|
648 | + $content = preg_replace('/([\[(:])\s+/', '$1', $content); |
|
649 | + $content = preg_replace('/\s+([\]\)])/', '$1', $content); |
|
650 | + $content = preg_replace('/\s+(:)(?![^\}]*\{)/', '$1', $content); |
|
651 | + |
|
652 | + // whitespace around + and - can only be stripped in selectors, like |
|
653 | + // :nth-child(3+2n), not in things like calc(3px + 2px) or shorthands |
|
654 | + // like 3px -2px |
|
655 | + $content = preg_replace('/\s*([+-])\s*(?=[^}]*{)/', '$1', $content); |
|
656 | + |
|
657 | + // remove semicolon/whitespace followed by closing bracket |
|
658 | + $content = str_replace(';}', '}', $content); |
|
659 | + |
|
660 | + return trim($content); |
|
661 | + } |
|
662 | + |
|
663 | + /** |
|
664 | + * Check if file is small enough to be imported. |
|
665 | + * |
|
666 | + * @param string $path The path to the file |
|
667 | + * |
|
668 | + * @return bool |
|
669 | + */ |
|
670 | + protected function canImportBySize($path) |
|
671 | + { |
|
672 | + return ($size = @filesize($path)) && $size <= $this->maxImportSize * 1024; |
|
673 | + } |
|
674 | 674 | } |
@@ -14,134 +14,134 @@ discard block |
||
14 | 14 | */ |
15 | 15 | class JS extends Minify |
16 | 16 | { |
17 | - /** |
|
18 | - * Var-matching regex based on http://stackoverflow.com/a/9337047/802993. |
|
19 | - * |
|
20 | - * Note that regular expressions using that bit must have the PCRE_UTF8 |
|
21 | - * pattern modifier (/u) set. |
|
22 | - * |
|
23 | - * @var string |
|
24 | - */ |
|
25 | - const REGEX_VARIABLE = 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26 | - |
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27 | - /** |
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28 | - * Full list of JavaScript reserved words. |
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29 | - * Will be loaded from /data/js/keywords_reserved.txt. |
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30 | - * |
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31 | - * @see https://mathiasbynens.be/notes/reserved-keywords |
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32 | - * |
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33 | - * @var string[] |
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34 | - */ |
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35 | - protected $keywordsReserved = array(); |
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36 | - |
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37 | - /** |
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38 | - * List of JavaScript reserved words that accept a <variable, value, ...> |
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39 | - * after them. Some end of lines are not the end of a statement, like with |
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40 | - * these keywords. |
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41 | - * |
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42 | - * E.g.: we shouldn't insert a ; after this else |
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43 | - * else |
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44 | - * console.log('this is quite fine') |
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45 | - * |
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46 | - * Will be loaded from /data/js/keywords_before.txt |
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47 | - * |
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48 | - * @var string[] |
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49 | - */ |
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50 | - protected $keywordsBefore = array(); |
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51 | - |
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52 | - /** |
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53 | - * List of JavaScript reserved words that accept a <variable, value, ...> |
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54 | - * before them. Some end of lines are not the end of a statement, like when |
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55 | - * continued by one of these keywords on the newline. |
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56 | - * |
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57 | - * E.g.: we shouldn't insert a ; before this instanceof |
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58 | - * variable |
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59 | - * instanceof String |
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60 | - * |
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61 | - * Will be loaded from /data/js/keywords_after.txt |
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62 | - * |
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63 | - * @var string[] |
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64 | - */ |
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65 | - protected $keywordsAfter = array(); |
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66 | - |
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67 | - /** |
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68 | - * List of all JavaScript operators. |
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69 | - * |
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70 | - * Will be loaded from /data/js/operators.txt |
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71 | - * |
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72 | - * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators |
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73 | - * |
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74 | - * @var string[] |
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75 | - */ |
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76 | - protected $operators = array(); |
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77 | - |
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78 | - /** |
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79 | - * List of JavaScript operators that accept a <variable, value, ...> after |
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80 | - * them. Some end of lines are not the end of a statement, like with these |
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81 | - * operators. |
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82 | - * |
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83 | - * Note: Most operators are fine, we've only removed !, ++ and --. |
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84 | - * There can't be a newline separating ! and whatever it is negating. |
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85 | - * ++ & -- have to be joined with the value they're in-/decrementing. |
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86 | - * |
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87 | - * Will be loaded from /data/js/operators_before.txt |
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88 | - * |
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89 | - * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators |
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90 | - * |
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91 | - * @var string[] |
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92 | - */ |
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93 | - protected $operatorsBefore = array(); |
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94 | - |
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95 | - /** |
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96 | - * List of JavaScript operators that accept a <variable, value, ...> before |
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97 | - * them. Some end of lines are not the end of a statement, like when |
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98 | - * continued by one of these operators on the newline. |
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99 | - * |
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100 | - * Note: Most operators are fine, we've only removed ), ], ++ and --. |
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101 | - * ++ & -- have to be joined with the value they're in-/decrementing. |
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102 | - * ) & ] are "special" in that they have lots or usecases. () for example |
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103 | - * is used for function calls, for grouping, in if () and for (), ... |
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104 | - * |
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105 | - * Will be loaded from /data/js/operators_after.txt |
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106 | - * |
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107 | - * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators |
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108 | - * |
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109 | - * @var string[] |
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110 | - */ |
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111 | - protected $operatorsAfter = array(); |
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112 | - |
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113 | - /** |
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114 | - * {@inheritdoc} |
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115 | - */ |
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116 | - public function __construct() |
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117 | - { |
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118 | - call_user_func_array(array('parent', '__construct'), func_get_args()); |
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119 | - |
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120 | - $dataDir = __DIR__.'/../data/js/'; |
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121 | - $options = FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES; |
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122 | - $this->keywordsReserved = file($dataDir.'keywords_reserved.txt', $options); |
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123 | - $this->keywordsBefore = file($dataDir.'keywords_before.txt', $options); |
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124 | - $this->keywordsAfter = file($dataDir.'keywords_after.txt', $options); |
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125 | - $this->operators = file($dataDir.'operators.txt', $options); |
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126 | - $this->operatorsBefore = file($dataDir.'operators_before.txt', $options); |
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127 | - $this->operatorsAfter = file($dataDir.'operators_after.txt', $options); |
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128 | - } |
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129 | - |
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130 | - /** |
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131 | - * Minify the data. |
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132 | - * Perform JS optimizations. |
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133 | - * |
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134 | - * @param string[optional] $path Path to write the data to |
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135 | - * |
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136 | - * @return string The minified data |
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137 | - */ |
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138 | - public function execute($path = null) |
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139 | - { |
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140 | - $content = ''; |
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141 | - |
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142 | - // loop files |
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143 | - foreach ($this->data as $source => $js) { |
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144 | - /* |
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17 | + /** |
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18 | + * Var-matching regex based on http://stackoverflow.com/a/9337047/802993. |
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19 | + * |
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20 | + * Note that regular expressions using that bit must have the PCRE_UTF8 |
|
21 | + * pattern modifier (/u) set. |
|
22 | + * |
|
23 | + * @var string |
|
24 | + */ |
|
25 | + const REGEX_VARIABLE = 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|
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26 | + |
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27 | + /** |
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28 | + * Full list of JavaScript reserved words. |
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29 | + * Will be loaded from /data/js/keywords_reserved.txt. |
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30 | + * |
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31 | + * @see https://mathiasbynens.be/notes/reserved-keywords |
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32 | + * |
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33 | + * @var string[] |
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34 | + */ |
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35 | + protected $keywordsReserved = array(); |
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36 | + |
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37 | + /** |
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38 | + * List of JavaScript reserved words that accept a <variable, value, ...> |
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39 | + * after them. Some end of lines are not the end of a statement, like with |
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40 | + * these keywords. |
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41 | + * |
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42 | + * E.g.: we shouldn't insert a ; after this else |
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43 | + * else |
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44 | + * console.log('this is quite fine') |
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45 | + * |
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46 | + * Will be loaded from /data/js/keywords_before.txt |
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47 | + * |
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48 | + * @var string[] |
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49 | + */ |
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50 | + protected $keywordsBefore = array(); |
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51 | + |
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52 | + /** |
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53 | + * List of JavaScript reserved words that accept a <variable, value, ...> |
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54 | + * before them. Some end of lines are not the end of a statement, like when |
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55 | + * continued by one of these keywords on the newline. |
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56 | + * |
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57 | + * E.g.: we shouldn't insert a ; before this instanceof |
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58 | + * variable |
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59 | + * instanceof String |
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60 | + * |
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61 | + * Will be loaded from /data/js/keywords_after.txt |
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62 | + * |
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63 | + * @var string[] |
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64 | + */ |
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65 | + protected $keywordsAfter = array(); |
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66 | + |
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67 | + /** |
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68 | + * List of all JavaScript operators. |
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69 | + * |
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70 | + * Will be loaded from /data/js/operators.txt |
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71 | + * |
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72 | + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators |
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73 | + * |
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74 | + * @var string[] |
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75 | + */ |
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76 | + protected $operators = array(); |
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77 | + |
|
78 | + /** |
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79 | + * List of JavaScript operators that accept a <variable, value, ...> after |
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80 | + * them. Some end of lines are not the end of a statement, like with these |
|
81 | + * operators. |
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82 | + * |
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83 | + * Note: Most operators are fine, we've only removed !, ++ and --. |
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84 | + * There can't be a newline separating ! and whatever it is negating. |
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85 | + * ++ & -- have to be joined with the value they're in-/decrementing. |
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86 | + * |
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87 | + * Will be loaded from /data/js/operators_before.txt |
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88 | + * |
|
89 | + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators |
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90 | + * |
|
91 | + * @var string[] |
|
92 | + */ |
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93 | + protected $operatorsBefore = array(); |
|
94 | + |
|
95 | + /** |
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96 | + * List of JavaScript operators that accept a <variable, value, ...> before |
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97 | + * them. Some end of lines are not the end of a statement, like when |
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98 | + * continued by one of these operators on the newline. |
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99 | + * |
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100 | + * Note: Most operators are fine, we've only removed ), ], ++ and --. |
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101 | + * ++ & -- have to be joined with the value they're in-/decrementing. |
|
102 | + * ) & ] are "special" in that they have lots or usecases. () for example |
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103 | + * is used for function calls, for grouping, in if () and for (), ... |
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104 | + * |
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105 | + * Will be loaded from /data/js/operators_after.txt |
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106 | + * |
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107 | + * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators |
|
108 | + * |
|
109 | + * @var string[] |
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110 | + */ |
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111 | + protected $operatorsAfter = array(); |
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112 | + |
|
113 | + /** |
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114 | + * {@inheritdoc} |
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115 | + */ |
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116 | + public function __construct() |
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117 | + { |
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118 | + call_user_func_array(array('parent', '__construct'), func_get_args()); |
|
119 | + |
|
120 | + $dataDir = __DIR__.'/../data/js/'; |
|
121 | + $options = FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES; |
|
122 | + $this->keywordsReserved = file($dataDir.'keywords_reserved.txt', $options); |
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123 | + $this->keywordsBefore = file($dataDir.'keywords_before.txt', $options); |
|
124 | + $this->keywordsAfter = file($dataDir.'keywords_after.txt', $options); |
|
125 | + $this->operators = file($dataDir.'operators.txt', $options); |
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126 | + $this->operatorsBefore = file($dataDir.'operators_before.txt', $options); |
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127 | + $this->operatorsAfter = file($dataDir.'operators_after.txt', $options); |
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128 | + } |
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129 | + |
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130 | + /** |
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131 | + * Minify the data. |
|
132 | + * Perform JS optimizations. |
|
133 | + * |
|
134 | + * @param string[optional] $path Path to write the data to |
|
135 | + * |
|
136 | + * @return string The minified data |
|
137 | + */ |
|
138 | + public function execute($path = null) |
|
139 | + { |
|
140 | + $content = ''; |
|
141 | + |
|
142 | + // loop files |
|
143 | + foreach ($this->data as $source => $js) { |
|
144 | + /* |
|
145 | 145 | * Combine js: separating the scripts by a ; |
146 | 146 | * I'm also adding a newline: it will be eaten when whitespace is |
147 | 147 | * stripped, but we need to make sure we're not just appending |
@@ -149,10 +149,10 @@ discard block |
||
149 | 149 | * singe-line comment on the last line (in which case it would also |
150 | 150 | * be seen as part of that comment) |
151 | 151 | */ |
152 | - $content .= $js."\n;"; |
|
153 | - } |
|
152 | + $content .= $js."\n;"; |
|
153 | + } |
|
154 | 154 | |
155 | - /* |
|
155 | + /* |
|
156 | 156 | * Let's first take out strings, comments and regular expressions. |
157 | 157 | * All of these can contain JS code-like characters, and we should make |
158 | 158 | * sure any further magic ignores anything inside of these. |
@@ -163,164 +163,164 @@ discard block |
||
163 | 163 | * Comments will be removed altogether, strings and regular expressions |
164 | 164 | * will be replaced by placeholder text, which we'll restore later. |
165 | 165 | */ |
166 | - $this->extractStrings('\'"`'); |
|
167 | - $this->stripComments(); |
|
168 | - $this->extractRegex(); |
|
169 | - $content = $this->replace($content); |
|
166 | + $this->extractStrings('\'"`'); |
|
167 | + $this->stripComments(); |
|
168 | + $this->extractRegex(); |
|
169 | + $content = $this->replace($content); |
|
170 | 170 | |
171 | - $content = $this->propertyNotation($content); |
|
172 | - $content = $this->shortenBools($content); |
|
173 | - $content = $this->stripWhitespace($content); |
|
171 | + $content = $this->propertyNotation($content); |
|
172 | + $content = $this->shortenBools($content); |
|
173 | + $content = $this->stripWhitespace($content); |
|
174 | 174 | |
175 | - /* |
|
175 | + /* |
|
176 | 176 | * Earlier, we extracted strings & regular expressions and replaced them |
177 | 177 | * with placeholder text. This will restore them. |
178 | 178 | */ |
179 | - $content = $this->restoreExtractedData($content); |
|
180 | - |
|
181 | - return $content; |
|
182 | - } |
|
183 | - |
|
184 | - /** |
|
185 | - * Strip comments from source code. |
|
186 | - */ |
|
187 | - protected function stripComments() |
|
188 | - { |
|
189 | - // single-line comments |
|
190 | - $this->registerPattern('/\/\/.*$/m', ''); |
|
191 | - |
|
192 | - // multi-line comments |
|
193 | - $this->registerPattern('/\/\*.*?\*\//s', ''); |
|
194 | - } |
|
195 | - |
|
196 | - /** |
|
197 | - * JS can have /-delimited regular expressions, like: /ab+c/.match(string). |
|
198 | - * |
|
199 | - * The content inside the regex can contain characters that may be confused |
|
200 | - * for JS code: e.g. it could contain whitespace it needs to match & we |
|
201 | - * don't want to strip whitespace in there. |
|
202 | - * |
|
203 | - * The regex can be pretty simple: we don't have to care about comments, |
|
204 | - * (which also use slashes) because stripComments() will have stripped those |
|
205 | - * already. |
|
206 | - * |
|
207 | - * This method will replace all string content with simple REGEX# |
|
208 | - * placeholder text, so we've rid all regular expressions from characters |
|
209 | - * that may be misinterpreted. Original regex content will be saved in |
|
210 | - * $this->extracted and after doing all other minifying, we can restore the |
|
211 | - * original content via restoreRegex() |
|
212 | - */ |
|
213 | - protected function extractRegex() |
|
214 | - { |
|
215 | - // PHP only supports $this inside anonymous functions since 5.4 |
|
216 | - $minifier = $this; |
|
217 | - $callback = function ($match) use ($minifier) { |
|
218 | - $count = count($minifier->extracted); |
|
219 | - $placeholder = '/'.$count.'/'; |
|
220 | - $minifier->extracted[$placeholder] = $match[0]; |
|
221 | - |
|
222 | - return $placeholder; |
|
223 | - }; |
|
224 | - |
|
225 | - $pattern = '\/.+?(?<!\\\\)(\\\\\\\\)*\/[gimy]*(?![0-9a-zA-Z\/])'; |
|
226 | - |
|
227 | - // a regular expression can only be followed by a few operators or some |
|
228 | - // of the RegExp methods (a `\` followed by a variable or value is |
|
229 | - // likely part of a division, not a regex) |
|
230 | - $after = '[\.,;\)\}]'; |
|
231 | - $methods = '\.(exec|test|match|search|replace|split)\('; |
|
232 | - $this->registerPattern('/'.$pattern.'(?=\s*('.$after.'|'.$methods.'))/', $callback); |
|
233 | - |
|
234 | - // 1 more edge case: a regex can be followed by a lot more operators or |
|
235 | - // keywords if there's a newline (ASI) in between, where the operator |
|
236 | - // actually starts a new statement |
|
237 | - // (https://github.com/matthiasmullie/minify/issues/56) |
|
238 | - $operators = $this->getOperatorsForRegex($this->operatorsBefore, '/'); |
|
239 | - $operators += $this->getOperatorsForRegex($this->keywordsReserved, '/'); |
|
240 | - $this->registerPattern('/'.$pattern.'\s*\n(?=\s*('.implode('|', $operators).'))/', $callback); |
|
241 | - } |
|
242 | - |
|
243 | - /** |
|
244 | - * Strip whitespace. |
|
245 | - * |
|
246 | - * We won't strip *all* whitespace, but as much as possible. The thing that |
|
247 | - * we'll preserve are newlines we're unsure about. |
|
248 | - * JavaScript doesn't require statements to be terminated with a semicolon. |
|
249 | - * It will automatically fix missing semicolons with ASI (automatic semi- |
|
250 | - * colon insertion) at the end of line causing errors (without semicolon.) |
|
251 | - * |
|
252 | - * Because it's sometimes hard to tell if a newline is part of a statement |
|
253 | - * that should be terminated or not, we'll just leave some of them alone. |
|
254 | - * |
|
255 | - * @param string $content The content to strip the whitespace for |
|
256 | - * |
|
257 | - * @return string |
|
258 | - */ |
|
259 | - protected function stripWhitespace($content) |
|
260 | - { |
|
261 | - // uniform line endings, make them all line feed |
|
262 | - $content = str_replace(array("\r\n", "\r"), "\n", $content); |
|
263 | - |
|
264 | - // collapse all non-line feed whitespace into a single space |
|
265 | - $content = preg_replace('/[^\S\n]+/', ' ', $content); |
|
266 | - |
|
267 | - // strip leading & trailing whitespace |
|
268 | - $content = str_replace(array(" \n", "\n "), "\n", $content); |
|
269 | - |
|
270 | - // collapse consecutive line feeds into just 1 |
|
271 | - $content = preg_replace('/\n+/', "\n", $content); |
|
272 | - |
|
273 | - $operatorsBefore = $this->getOperatorsForRegex($this->operatorsBefore, '/'); |
|
274 | - $operatorsAfter = $this->getOperatorsForRegex($this->operatorsAfter, '/'); |
|
275 | - $operators = $this->getOperatorsForRegex($this->operators, '/'); |
|
276 | - $keywordsBefore = $this->getKeywordsForRegex($this->keywordsBefore, '/'); |
|
277 | - $keywordsAfter = $this->getKeywordsForRegex($this->keywordsAfter, '/'); |
|
278 | - |
|
279 | - // strip whitespace that ends in (or next line begin with) an operator |
|
280 | - // that allows statements to be broken up over multiple lines |
|
281 | - unset($operatorsBefore['+'], $operatorsBefore['-'], $operatorsAfter['+'], $operatorsAfter['-']); |
|
282 | - $content = preg_replace( |
|
283 | - array( |
|
284 | - '/('.implode('|', $operatorsBefore).')\s+/', |
|
285 | - '/\s+('.implode('|', $operatorsAfter).')/', |
|
286 | - ), '\\1', $content |
|
287 | - ); |
|
288 | - |
|
289 | - // make sure + and - can't be mistaken for, or joined into ++ and -- |
|
290 | - $content = preg_replace( |
|
291 | - array( |
|
292 | - '/(?<![\+\-])\s*([\+\-])(?![\+\-])/', |
|
293 | - '/(?<![\+\-])([\+\-])\s*(?![\+\-])/', |
|
294 | - ), '\\1', $content |
|
295 | - ); |
|
296 | - |
|
297 | - // collapse whitespace around reserved words into single space |
|
298 | - $content = preg_replace('/(^|[;\}\s])\K('.implode('|', $keywordsBefore).')\s+/', '\\2 ', $content); |
|
299 | - $content = preg_replace('/\s+('.implode('|', $keywordsAfter).')(?=([;\{\s]|$))/', ' \\1', $content); |
|
300 | - |
|
301 | - /* |
|
179 | + $content = $this->restoreExtractedData($content); |
|
180 | + |
|
181 | + return $content; |
|
182 | + } |
|
183 | + |
|
184 | + /** |
|
185 | + * Strip comments from source code. |
|
186 | + */ |
|
187 | + protected function stripComments() |
|
188 | + { |
|
189 | + // single-line comments |
|
190 | + $this->registerPattern('/\/\/.*$/m', ''); |
|
191 | + |
|
192 | + // multi-line comments |
|
193 | + $this->registerPattern('/\/\*.*?\*\//s', ''); |
|
194 | + } |
|
195 | + |
|
196 | + /** |
|
197 | + * JS can have /-delimited regular expressions, like: /ab+c/.match(string). |
|
198 | + * |
|
199 | + * The content inside the regex can contain characters that may be confused |
|
200 | + * for JS code: e.g. it could contain whitespace it needs to match & we |
|
201 | + * don't want to strip whitespace in there. |
|
202 | + * |
|
203 | + * The regex can be pretty simple: we don't have to care about comments, |
|
204 | + * (which also use slashes) because stripComments() will have stripped those |
|
205 | + * already. |
|
206 | + * |
|
207 | + * This method will replace all string content with simple REGEX# |
|
208 | + * placeholder text, so we've rid all regular expressions from characters |
|
209 | + * that may be misinterpreted. Original regex content will be saved in |
|
210 | + * $this->extracted and after doing all other minifying, we can restore the |
|
211 | + * original content via restoreRegex() |
|
212 | + */ |
|
213 | + protected function extractRegex() |
|
214 | + { |
|
215 | + // PHP only supports $this inside anonymous functions since 5.4 |
|
216 | + $minifier = $this; |
|
217 | + $callback = function ($match) use ($minifier) { |
|
218 | + $count = count($minifier->extracted); |
|
219 | + $placeholder = '/'.$count.'/'; |
|
220 | + $minifier->extracted[$placeholder] = $match[0]; |
|
221 | + |
|
222 | + return $placeholder; |
|
223 | + }; |
|
224 | + |
|
225 | + $pattern = '\/.+?(?<!\\\\)(\\\\\\\\)*\/[gimy]*(?![0-9a-zA-Z\/])'; |
|
226 | + |
|
227 | + // a regular expression can only be followed by a few operators or some |
|
228 | + // of the RegExp methods (a `\` followed by a variable or value is |
|
229 | + // likely part of a division, not a regex) |
|
230 | + $after = '[\.,;\)\}]'; |
|
231 | + $methods = '\.(exec|test|match|search|replace|split)\('; |
|
232 | + $this->registerPattern('/'.$pattern.'(?=\s*('.$after.'|'.$methods.'))/', $callback); |
|
233 | + |
|
234 | + // 1 more edge case: a regex can be followed by a lot more operators or |
|
235 | + // keywords if there's a newline (ASI) in between, where the operator |
|
236 | + // actually starts a new statement |
|
237 | + // (https://github.com/matthiasmullie/minify/issues/56) |
|
238 | + $operators = $this->getOperatorsForRegex($this->operatorsBefore, '/'); |
|
239 | + $operators += $this->getOperatorsForRegex($this->keywordsReserved, '/'); |
|
240 | + $this->registerPattern('/'.$pattern.'\s*\n(?=\s*('.implode('|', $operators).'))/', $callback); |
|
241 | + } |
|
242 | + |
|
243 | + /** |
|
244 | + * Strip whitespace. |
|
245 | + * |
|
246 | + * We won't strip *all* whitespace, but as much as possible. The thing that |
|
247 | + * we'll preserve are newlines we're unsure about. |
|
248 | + * JavaScript doesn't require statements to be terminated with a semicolon. |
|
249 | + * It will automatically fix missing semicolons with ASI (automatic semi- |
|
250 | + * colon insertion) at the end of line causing errors (without semicolon.) |
|
251 | + * |
|
252 | + * Because it's sometimes hard to tell if a newline is part of a statement |
|
253 | + * that should be terminated or not, we'll just leave some of them alone. |
|
254 | + * |
|
255 | + * @param string $content The content to strip the whitespace for |
|
256 | + * |
|
257 | + * @return string |
|
258 | + */ |
|
259 | + protected function stripWhitespace($content) |
|
260 | + { |
|
261 | + // uniform line endings, make them all line feed |
|
262 | + $content = str_replace(array("\r\n", "\r"), "\n", $content); |
|
263 | + |
|
264 | + // collapse all non-line feed whitespace into a single space |
|
265 | + $content = preg_replace('/[^\S\n]+/', ' ', $content); |
|
266 | + |
|
267 | + // strip leading & trailing whitespace |
|
268 | + $content = str_replace(array(" \n", "\n "), "\n", $content); |
|
269 | + |
|
270 | + // collapse consecutive line feeds into just 1 |
|
271 | + $content = preg_replace('/\n+/', "\n", $content); |
|
272 | + |
|
273 | + $operatorsBefore = $this->getOperatorsForRegex($this->operatorsBefore, '/'); |
|
274 | + $operatorsAfter = $this->getOperatorsForRegex($this->operatorsAfter, '/'); |
|
275 | + $operators = $this->getOperatorsForRegex($this->operators, '/'); |
|
276 | + $keywordsBefore = $this->getKeywordsForRegex($this->keywordsBefore, '/'); |
|
277 | + $keywordsAfter = $this->getKeywordsForRegex($this->keywordsAfter, '/'); |
|
278 | + |
|
279 | + // strip whitespace that ends in (or next line begin with) an operator |
|
280 | + // that allows statements to be broken up over multiple lines |
|
281 | + unset($operatorsBefore['+'], $operatorsBefore['-'], $operatorsAfter['+'], $operatorsAfter['-']); |
|
282 | + $content = preg_replace( |
|
283 | + array( |
|
284 | + '/('.implode('|', $operatorsBefore).')\s+/', |
|
285 | + '/\s+('.implode('|', $operatorsAfter).')/', |
|
286 | + ), '\\1', $content |
|
287 | + ); |
|
288 | + |
|
289 | + // make sure + and - can't be mistaken for, or joined into ++ and -- |
|
290 | + $content = preg_replace( |
|
291 | + array( |
|
292 | + '/(?<![\+\-])\s*([\+\-])(?![\+\-])/', |
|
293 | + '/(?<![\+\-])([\+\-])\s*(?![\+\-])/', |
|
294 | + ), '\\1', $content |
|
295 | + ); |
|
296 | + |
|
297 | + // collapse whitespace around reserved words into single space |
|
298 | + $content = preg_replace('/(^|[;\}\s])\K('.implode('|', $keywordsBefore).')\s+/', '\\2 ', $content); |
|
299 | + $content = preg_replace('/\s+('.implode('|', $keywordsAfter).')(?=([;\{\s]|$))/', ' \\1', $content); |
|
300 | + |
|
301 | + /* |
|
302 | 302 | * We didn't strip whitespace after a couple of operators because they |
303 | 303 | * could be used in different contexts and we can't be sure it's ok to |
304 | 304 | * strip the newlines. However, we can safely strip any non-line feed |
305 | 305 | * whitespace that follows them. |
306 | 306 | */ |
307 | - $operatorsDiffBefore = array_diff($operators, $operatorsBefore); |
|
308 | - $operatorsDiffAfter = array_diff($operators, $operatorsAfter); |
|
309 | - $content = preg_replace('/('.implode('|', $operatorsDiffBefore).')[^\S\n]+/', '\\1', $content); |
|
310 | - $content = preg_replace('/[^\S\n]+('.implode('|', $operatorsDiffAfter).')/', '\\1', $content); |
|
307 | + $operatorsDiffBefore = array_diff($operators, $operatorsBefore); |
|
308 | + $operatorsDiffAfter = array_diff($operators, $operatorsAfter); |
|
309 | + $content = preg_replace('/('.implode('|', $operatorsDiffBefore).')[^\S\n]+/', '\\1', $content); |
|
310 | + $content = preg_replace('/[^\S\n]+('.implode('|', $operatorsDiffAfter).')/', '\\1', $content); |
|
311 | 311 | |
312 | - /* |
|
312 | + /* |
|
313 | 313 | * Get rid of double semicolons, except where they can be used like: |
314 | 314 | * "for(v=1,_=b;;)", "for(v=1;;v++)" or "for(;;ja||(ja=true))". |
315 | 315 | * I'll safeguard these double semicolons inside for-loops by |
316 | 316 | * temporarily replacing them with an invalid condition: they won't have |
317 | 317 | * a double semicolon and will be easy to spot to restore afterwards. |
318 | 318 | */ |
319 | - $content = preg_replace('/\bfor\(([^;]*);;([^;]*)\)/', 'for(\\1;-;\\2)', $content); |
|
320 | - $content = preg_replace('/;+/', ';', $content); |
|
321 | - $content = preg_replace('/\bfor\(([^;]*);-;([^;]*)\)/', 'for(\\1;;\\2)', $content); |
|
319 | + $content = preg_replace('/\bfor\(([^;]*);;([^;]*)\)/', 'for(\\1;-;\\2)', $content); |
|
320 | + $content = preg_replace('/;+/', ';', $content); |
|
321 | + $content = preg_replace('/\bfor\(([^;]*);-;([^;]*)\)/', 'for(\\1;;\\2)', $content); |
|
322 | 322 | |
323 | - /* |
|
323 | + /* |
|
324 | 324 | * Next, we'll be removing all semicolons where ASI kicks in. |
325 | 325 | * for-loops however, can have an empty body (ending in only a |
326 | 326 | * semicolon), like: `for(i=1;i<3;i++);` |
@@ -330,9 +330,9 @@ discard block |
||
330 | 330 | * I'm going to double that semicolon (if any) so after the next line, |
331 | 331 | * which strips semicolons here & there, we're still left with this one. |
332 | 332 | */ |
333 | - $content = preg_replace('/(for\([^;]*;[^;]*;[^;\{]*\));(\}|$)/s', '\\1;;\\2', $content); |
|
333 | + $content = preg_replace('/(for\([^;]*;[^;]*;[^;\{]*\));(\}|$)/s', '\\1;;\\2', $content); |
|
334 | 334 | |
335 | - /* |
|
335 | + /* |
|
336 | 336 | * We also can't strip empty else-statements. Even though they're |
337 | 337 | * useless and probably shouldn't be in the code in the first place, we |
338 | 338 | * shouldn't be stripping the `;` that follows it as it breaks the code. |
@@ -340,114 +340,114 @@ discard block |
||
340 | 340 | * |
341 | 341 | * @see https://github.com/matthiasmullie/minify/issues/91 |
342 | 342 | */ |
343 | - $content = preg_replace('/else;/s', '', $content); |
|
343 | + $content = preg_replace('/else;/s', '', $content); |
|
344 | 344 | |
345 | - /* |
|
345 | + /* |
|
346 | 346 | * We also don't really want to terminate statements followed by closing |
347 | 347 | * curly braces (which we've ignored completely up until now) or end-of- |
348 | 348 | * script: ASI will kick in here & we're all about minifying. |
349 | 349 | * Semicolons at beginning of the file don't make any sense either. |
350 | 350 | */ |
351 | - $content = preg_replace('/;(\}|$)/s', '\\1', $content); |
|
352 | - $content = ltrim($content, ';'); |
|
353 | - |
|
354 | - // get rid of remaining whitespace af beginning/end |
|
355 | - return trim($content); |
|
356 | - } |
|
357 | - |
|
358 | - /** |
|
359 | - * We'll strip whitespace around certain operators with regular expressions. |
|
360 | - * This will prepare the given array by escaping all characters. |
|
361 | - * |
|
362 | - * @param string[] $operators |
|
363 | - * @param string $delimiter |
|
364 | - * |
|
365 | - * @return string[] |
|
366 | - */ |
|
367 | - protected function getOperatorsForRegex(array $operators, $delimiter = '/') |
|
368 | - { |
|
369 | - // escape operators for use in regex |
|
370 | - $delimiter = array_fill(0, count($operators), $delimiter); |
|
371 | - $escaped = array_map('preg_quote', $operators, $delimiter); |
|
372 | - |
|
373 | - $operators = array_combine($operators, $escaped); |
|
374 | - |
|
375 | - // ignore + & - for now, they'll get special treatment |
|
376 | - unset($operators['+'], $operators['-']); |
|
377 | - |
|
378 | - // dot can not just immediately follow a number; it can be confused for |
|
379 | - // decimal point, or calling a method on it, e.g. 42 .toString() |
|
380 | - $operators['.'] = '(?<![0-9]\s)\.'; |
|
381 | - |
|
382 | - // don't confuse = with other assignment shortcuts (e.g. +=) |
|
383 | - $chars = preg_quote('+-*\=<>%&|'); |
|
384 | - $operators['='] = '(?<!['.$chars.'])\='; |
|
385 | - |
|
386 | - return $operators; |
|
387 | - } |
|
388 | - |
|
389 | - /** |
|
390 | - * We'll strip whitespace around certain keywords with regular expressions. |
|
391 | - * This will prepare the given array by escaping all characters. |
|
392 | - * |
|
393 | - * @param string[] $keywords |
|
394 | - * @param string $delimiter |
|
395 | - * |
|
396 | - * @return string[] |
|
397 | - */ |
|
398 | - protected function getKeywordsForRegex(array $keywords, $delimiter = '/') |
|
399 | - { |
|
400 | - // escape keywords for use in regex |
|
401 | - $delimiter = array_fill(0, count($keywords), $delimiter); |
|
402 | - $escaped = array_map('preg_quote', $keywords, $delimiter); |
|
403 | - |
|
404 | - // add word boundaries |
|
405 | - array_walk($keywords, function ($value) { |
|
406 | - return '\b'.$value.'\b'; |
|
407 | - }); |
|
408 | - |
|
409 | - $keywords = array_combine($keywords, $escaped); |
|
410 | - |
|
411 | - return $keywords; |
|
412 | - } |
|
413 | - |
|
414 | - /** |
|
415 | - * Replaces all occurrences of array['key'] by array.key. |
|
416 | - * |
|
417 | - * @param string $content |
|
418 | - * |
|
419 | - * @return string |
|
420 | - */ |
|
421 | - protected function propertyNotation($content) |
|
422 | - { |
|
423 | - // PHP only supports $this inside anonymous functions since 5.4 |
|
424 | - $minifier = $this; |
|
425 | - $keywords = $this->keywordsReserved; |
|
426 | - $callback = function ($match) use ($minifier, $keywords) { |
|
427 | - $property = trim($minifier->extracted[$match[1]], '\'"'); |
|
428 | - |
|
429 | - /* |
|
351 | + $content = preg_replace('/;(\}|$)/s', '\\1', $content); |
|
352 | + $content = ltrim($content, ';'); |
|
353 | + |
|
354 | + // get rid of remaining whitespace af beginning/end |
|
355 | + return trim($content); |
|
356 | + } |
|
357 | + |
|
358 | + /** |
|
359 | + * We'll strip whitespace around certain operators with regular expressions. |
|
360 | + * This will prepare the given array by escaping all characters. |
|
361 | + * |
|
362 | + * @param string[] $operators |
|
363 | + * @param string $delimiter |
|
364 | + * |
|
365 | + * @return string[] |
|
366 | + */ |
|
367 | + protected function getOperatorsForRegex(array $operators, $delimiter = '/') |
|
368 | + { |
|
369 | + // escape operators for use in regex |
|
370 | + $delimiter = array_fill(0, count($operators), $delimiter); |
|
371 | + $escaped = array_map('preg_quote', $operators, $delimiter); |
|
372 | + |
|
373 | + $operators = array_combine($operators, $escaped); |
|
374 | + |
|
375 | + // ignore + & - for now, they'll get special treatment |
|
376 | + unset($operators['+'], $operators['-']); |
|
377 | + |
|
378 | + // dot can not just immediately follow a number; it can be confused for |
|
379 | + // decimal point, or calling a method on it, e.g. 42 .toString() |
|
380 | + $operators['.'] = '(?<![0-9]\s)\.'; |
|
381 | + |
|
382 | + // don't confuse = with other assignment shortcuts (e.g. +=) |
|
383 | + $chars = preg_quote('+-*\=<>%&|'); |
|
384 | + $operators['='] = '(?<!['.$chars.'])\='; |
|
385 | + |
|
386 | + return $operators; |
|
387 | + } |
|
388 | + |
|
389 | + /** |
|
390 | + * We'll strip whitespace around certain keywords with regular expressions. |
|
391 | + * This will prepare the given array by escaping all characters. |
|
392 | + * |
|
393 | + * @param string[] $keywords |
|
394 | + * @param string $delimiter |
|
395 | + * |
|
396 | + * @return string[] |
|
397 | + */ |
|
398 | + protected function getKeywordsForRegex(array $keywords, $delimiter = '/') |
|
399 | + { |
|
400 | + // escape keywords for use in regex |
|
401 | + $delimiter = array_fill(0, count($keywords), $delimiter); |
|
402 | + $escaped = array_map('preg_quote', $keywords, $delimiter); |
|
403 | + |
|
404 | + // add word boundaries |
|
405 | + array_walk($keywords, function ($value) { |
|
406 | + return '\b'.$value.'\b'; |
|
407 | + }); |
|
408 | + |
|
409 | + $keywords = array_combine($keywords, $escaped); |
|
410 | + |
|
411 | + return $keywords; |
|
412 | + } |
|
413 | + |
|
414 | + /** |
|
415 | + * Replaces all occurrences of array['key'] by array.key. |
|
416 | + * |
|
417 | + * @param string $content |
|
418 | + * |
|
419 | + * @return string |
|
420 | + */ |
|
421 | + protected function propertyNotation($content) |
|
422 | + { |
|
423 | + // PHP only supports $this inside anonymous functions since 5.4 |
|
424 | + $minifier = $this; |
|
425 | + $keywords = $this->keywordsReserved; |
|
426 | + $callback = function ($match) use ($minifier, $keywords) { |
|
427 | + $property = trim($minifier->extracted[$match[1]], '\'"'); |
|
428 | + |
|
429 | + /* |
|
430 | 430 | * Check if the property is a reserved keyword. In this context (as |
431 | 431 | * property of an object literal/array) it shouldn't matter, but IE8 |
432 | 432 | * freaks out with "Expected identifier". |
433 | 433 | */ |
434 | - if (in_array($property, $keywords)) { |
|
435 | - return $match[0]; |
|
436 | - } |
|
434 | + if (in_array($property, $keywords)) { |
|
435 | + return $match[0]; |
|
436 | + } |
|
437 | 437 | |
438 | - /* |
|
438 | + /* |
|
439 | 439 | * See if the property is in a variable-like format (e.g. |
440 | 440 | * array['key-here'] can't be replaced by array.key-here since '-' |
441 | 441 | * is not a valid character there. |
442 | 442 | */ |
443 | - if (!preg_match('/^'.$minifier::REGEX_VARIABLE.'$/u', $property)) { |
|
444 | - return $match[0]; |
|
445 | - } |
|
443 | + if (!preg_match('/^'.$minifier::REGEX_VARIABLE.'$/u', $property)) { |
|
444 | + return $match[0]; |
|
445 | + } |
|
446 | 446 | |
447 | - return '.'.$property; |
|
448 | - }; |
|
447 | + return '.'.$property; |
|
448 | + }; |
|
449 | 449 | |
450 | - /* |
|
450 | + /* |
|
451 | 451 | * Figure out if previous character is a variable name (of the array |
452 | 452 | * we want to use property notation on) - this is to make sure |
453 | 453 | * standalone ['value'] arrays aren't confused for keys-of-an-array. |
@@ -455,61 +455,61 @@ discard block |
||
455 | 455 | * regex implementation doesn't allow unfixed-length look-behind |
456 | 456 | * assertions. |
457 | 457 | */ |
458 | - preg_match('/(\[[^\]]+\])[^\]]*$/', static::REGEX_VARIABLE, $previousChar); |
|
459 | - $previousChar = $previousChar[1]; |
|
458 | + preg_match('/(\[[^\]]+\])[^\]]*$/', static::REGEX_VARIABLE, $previousChar); |
|
459 | + $previousChar = $previousChar[1]; |
|
460 | 460 | |
461 | - /* |
|
461 | + /* |
|
462 | 462 | * Make sure word preceding the ['value'] is not a keyword, e.g. |
463 | 463 | * return['x']. Because -again- PHP's regex implementation doesn't allow |
464 | 464 | * unfixed-length look-behind assertions, I'm just going to do a lot of |
465 | 465 | * separate look-behind assertions, one for each keyword. |
466 | 466 | */ |
467 | - $keywords = $this->getKeywordsForRegex($keywords); |
|
468 | - $keywords = '(?<!'.implode(')(?<!', $keywords).')'; |
|
469 | - |
|
470 | - return preg_replace_callback('/(?<='.$previousChar.'|\])'.$keywords.'\[\s*(([\'"])[0-9]+\\2)\s*\]/u', $callback, $content); |
|
471 | - } |
|
472 | - |
|
473 | - /** |
|
474 | - * Replaces true & false by !0 and !1. |
|
475 | - * |
|
476 | - * @param string $content |
|
477 | - * |
|
478 | - * @return string |
|
479 | - */ |
|
480 | - protected function shortenBools($content) |
|
481 | - { |
|
482 | - $content = preg_replace('/\btrue\b(?!:)/', '!0', $content); |
|
483 | - $content = preg_replace('/\bfalse\b(?!:)/', '!1', $content); |
|
484 | - |
|
485 | - // for(;;) is exactly the same as while(true) |
|
486 | - $content = preg_replace('/\bwhile\(!0\){/', 'for(;;){', $content); |
|
487 | - |
|
488 | - // now make sure we didn't turn any do ... while(true) into do ... for(;;) |
|
489 | - preg_match_all('/\bdo\b/', $content, $dos, PREG_OFFSET_CAPTURE | PREG_SET_ORDER); |
|
490 | - |
|
491 | - // go backward to make sure positional offsets aren't altered when $content changes |
|
492 | - $dos = array_reverse($dos); |
|
493 | - foreach ($dos as $do) { |
|
494 | - $offsetDo = $do[0][1]; |
|
495 | - |
|
496 | - // find all `while` (now `for`) following `do`: one of those must be |
|
497 | - // associated with the `do` and be turned back into `while` |
|
498 | - preg_match_all('/\bfor\(;;\)/', $content, $whiles, PREG_OFFSET_CAPTURE | PREG_SET_ORDER, $offsetDo); |
|
499 | - foreach ($whiles as $while) { |
|
500 | - $offsetWhile = $while[0][1]; |
|
501 | - |
|
502 | - $open = substr_count($content, '{', $offsetDo, $offsetWhile - $offsetDo); |
|
503 | - $close = substr_count($content, '}', $offsetDo, $offsetWhile - $offsetDo); |
|
504 | - if ($open === $close) { |
|
505 | - // only restore `while` if amount of `{` and `}` are the same; |
|
506 | - // otherwise, that `for` isn't associated with this `do` |
|
507 | - $content = substr_replace($content, 'while(!0)', $offsetWhile, strlen('for(;;)')); |
|
508 | - break; |
|
509 | - } |
|
510 | - } |
|
511 | - } |
|
512 | - |
|
513 | - return $content; |
|
514 | - } |
|
467 | + $keywords = $this->getKeywordsForRegex($keywords); |
|
468 | + $keywords = '(?<!'.implode(')(?<!', $keywords).')'; |
|
469 | + |
|
470 | + return preg_replace_callback('/(?<='.$previousChar.'|\])'.$keywords.'\[\s*(([\'"])[0-9]+\\2)\s*\]/u', $callback, $content); |
|
471 | + } |
|
472 | + |
|
473 | + /** |
|
474 | + * Replaces true & false by !0 and !1. |
|
475 | + * |
|
476 | + * @param string $content |
|
477 | + * |
|
478 | + * @return string |
|
479 | + */ |
|
480 | + protected function shortenBools($content) |
|
481 | + { |
|
482 | + $content = preg_replace('/\btrue\b(?!:)/', '!0', $content); |
|
483 | + $content = preg_replace('/\bfalse\b(?!:)/', '!1', $content); |
|
484 | + |
|
485 | + // for(;;) is exactly the same as while(true) |
|
486 | + $content = preg_replace('/\bwhile\(!0\){/', 'for(;;){', $content); |
|
487 | + |
|
488 | + // now make sure we didn't turn any do ... while(true) into do ... for(;;) |
|
489 | + preg_match_all('/\bdo\b/', $content, $dos, PREG_OFFSET_CAPTURE | PREG_SET_ORDER); |
|
490 | + |
|
491 | + // go backward to make sure positional offsets aren't altered when $content changes |
|
492 | + $dos = array_reverse($dos); |
|
493 | + foreach ($dos as $do) { |
|
494 | + $offsetDo = $do[0][1]; |
|
495 | + |
|
496 | + // find all `while` (now `for`) following `do`: one of those must be |
|
497 | + // associated with the `do` and be turned back into `while` |
|
498 | + preg_match_all('/\bfor\(;;\)/', $content, $whiles, PREG_OFFSET_CAPTURE | PREG_SET_ORDER, $offsetDo); |
|
499 | + foreach ($whiles as $while) { |
|
500 | + $offsetWhile = $while[0][1]; |
|
501 | + |
|
502 | + $open = substr_count($content, '{', $offsetDo, $offsetWhile - $offsetDo); |
|
503 | + $close = substr_count($content, '}', $offsetDo, $offsetWhile - $offsetDo); |
|
504 | + if ($open === $close) { |
|
505 | + // only restore `while` if amount of `{` and `}` are the same; |
|
506 | + // otherwise, that `for` isn't associated with this `do` |
|
507 | + $content = substr_replace($content, 'while(!0)', $offsetWhile, strlen('for(;;)')); |
|
508 | + break; |
|
509 | + } |
|
510 | + } |
|
511 | + } |
|
512 | + |
|
513 | + return $content; |
|
514 | + } |
|
515 | 515 | } |
@@ -16,335 +16,335 @@ discard block |
||
16 | 16 | */ |
17 | 17 | abstract class Minify |
18 | 18 | { |
19 | - /** |
|
20 | - * The data to be minified. |
|
21 | - * |
|
22 | - * @var string[] |
|
23 | - */ |
|
24 | - protected $data = array(); |
|
25 | - |
|
26 | - /** |
|
27 | - * Array of patterns to match. |
|
28 | - * |
|
29 | - * @var string[] |
|
30 | - */ |
|
31 | - protected $patterns = array(); |
|
32 | - |
|
33 | - /** |
|
34 | - * This array will hold content of strings and regular expressions that have |
|
35 | - * been extracted from the JS source code, so we can reliably match "code", |
|
36 | - * without having to worry about potential "code-like" characters inside. |
|
37 | - * |
|
38 | - * @var string[] |
|
39 | - */ |
|
40 | - public $extracted = array(); |
|
41 | - |
|
42 | - /** |
|
43 | - * Init the minify class - optionally, code may be passed along already. |
|
44 | - */ |
|
45 | - public function __construct(/* $data = null, ... */) |
|
46 | - { |
|
47 | - // it's possible to add the source through the constructor as well ;) |
|
48 | - if (func_num_args()) { |
|
49 | - call_user_func_array(array($this, 'add'), func_get_args()); |
|
50 | - } |
|
51 | - } |
|
52 | - |
|
53 | - /** |
|
54 | - * Add a file or straight-up code to be minified. |
|
55 | - * |
|
56 | - * @param string|string[] $data |
|
57 | - */ |
|
58 | - public function add($data /* $data = null, ... */) |
|
59 | - { |
|
60 | - // bogus "usage" of parameter $data: scrutinizer warns this variable is |
|
61 | - // not used (we're using func_get_args instead to support overloading), |
|
62 | - // but it still needs to be defined because it makes no sense to have |
|
63 | - // this function without argument :) |
|
64 | - $args = array($data) + func_get_args(); |
|
65 | - |
|
66 | - // this method can be overloaded |
|
67 | - foreach ($args as $data) { |
|
68 | - if (is_array($data)) { |
|
69 | - call_user_func_array(array($this, 'add'), $data); |
|
70 | - continue; |
|
71 | - } |
|
72 | - |
|
73 | - // redefine var |
|
74 | - $data = (string) $data; |
|
75 | - |
|
76 | - // load data |
|
77 | - $value = $this->load($data); |
|
78 | - $key = ($data != $value) ? $data : count($this->data); |
|
79 | - |
|
80 | - // replace CR linefeeds etc. |
|
81 | - // @see https://github.com/matthiasmullie/minify/pull/139 |
|
82 | - $value = str_replace(array("\r\n", "\r"), "\n", $value); |
|
83 | - |
|
84 | - // store data |
|
85 | - $this->data[$key] = $value; |
|
86 | - } |
|
87 | - } |
|
88 | - |
|
89 | - /** |
|
90 | - * Minify the data & (optionally) saves it to a file. |
|
91 | - * |
|
92 | - * @param string[optional] $path Path to write the data to |
|
93 | - * |
|
94 | - * @return string The minified data |
|
95 | - */ |
|
96 | - public function minify($path = null) |
|
97 | - { |
|
98 | - $content = $this->execute($path); |
|
99 | - |
|
100 | - // save to path |
|
101 | - if ($path !== null) { |
|
102 | - $this->save($content, $path); |
|
103 | - } |
|
104 | - |
|
105 | - return $content; |
|
106 | - } |
|
107 | - |
|
108 | - /** |
|
109 | - * Minify & gzip the data & (optionally) saves it to a file. |
|
110 | - * |
|
111 | - * @param string[optional] $path Path to write the data to |
|
112 | - * @param int[optional] $level Compression level, from 0 to 9 |
|
113 | - * |
|
114 | - * @return string The minified & gzipped data |
|
115 | - */ |
|
116 | - public function gzip($path = null, $level = 9) |
|
117 | - { |
|
118 | - $content = $this->execute($path); |
|
119 | - $content = gzencode($content, $level, FORCE_GZIP); |
|
120 | - |
|
121 | - // save to path |
|
122 | - if ($path !== null) { |
|
123 | - $this->save($content, $path); |
|
124 | - } |
|
125 | - |
|
126 | - return $content; |
|
127 | - } |
|
128 | - |
|
129 | - /** |
|
130 | - * Minify the data & write it to a CacheItemInterface object. |
|
131 | - * |
|
132 | - * @param CacheItemInterface $item Cache item to write the data to |
|
133 | - * |
|
134 | - * @return CacheItemInterface Cache item with the minifier data |
|
135 | - */ |
|
136 | - public function cache(CacheItemInterface $item) |
|
137 | - { |
|
138 | - $content = $this->execute(); |
|
139 | - $item->set($content); |
|
140 | - |
|
141 | - return $item; |
|
142 | - } |
|
143 | - |
|
144 | - /** |
|
145 | - * Minify the data. |
|
146 | - * |
|
147 | - * @param string[optional] $path Path to write the data to |
|
148 | - * |
|
149 | - * @return string The minified data |
|
150 | - */ |
|
151 | - abstract public function execute($path = null); |
|
152 | - |
|
153 | - /** |
|
154 | - * Load data. |
|
155 | - * |
|
156 | - * @param string $data Either a path to a file or the content itself |
|
157 | - * |
|
158 | - * @return string |
|
159 | - */ |
|
160 | - protected function load($data) |
|
161 | - { |
|
162 | - // check if the data is a file |
|
163 | - if ($this->canImportFile($data)) { |
|
164 | - $data = file_get_contents($data); |
|
165 | - |
|
166 | - // strip BOM, if any |
|
167 | - if (substr($data, 0, 3) == "\xef\xbb\xbf") { |
|
168 | - $data = substr($data, 3); |
|
169 | - } |
|
170 | - } |
|
171 | - |
|
172 | - return $data; |
|
173 | - } |
|
174 | - |
|
175 | - /** |
|
176 | - * Save to file. |
|
177 | - * |
|
178 | - * @param string $content The minified data |
|
179 | - * @param string $path The path to save the minified data to |
|
180 | - * |
|
181 | - * @throws IOException |
|
182 | - */ |
|
183 | - protected function save($content, $path) |
|
184 | - { |
|
185 | - $handler = $this->openFileForWriting($path); |
|
186 | - |
|
187 | - $this->writeToFile($handler, $content); |
|
188 | - |
|
189 | - @fclose($handler); |
|
190 | - } |
|
191 | - |
|
192 | - /** |
|
193 | - * Register a pattern to execute against the source content. |
|
194 | - * |
|
195 | - * @param string $pattern PCRE pattern |
|
196 | - * @param string|callable $replacement Replacement value for matched pattern |
|
197 | - */ |
|
198 | - protected function registerPattern($pattern, $replacement = '') |
|
199 | - { |
|
200 | - // study the pattern, we'll execute it more than once |
|
201 | - $pattern .= 'S'; |
|
202 | - |
|
203 | - $this->patterns[] = array($pattern, $replacement); |
|
204 | - } |
|
205 | - |
|
206 | - /** |
|
207 | - * We can't "just" run some regular expressions against JavaScript: it's a |
|
208 | - * complex language. E.g. having an occurrence of // xyz would be a comment, |
|
209 | - * unless it's used within a string. Of you could have something that looks |
|
210 | - * like a 'string', but inside a comment. |
|
211 | - * The only way to accurately replace these pieces is to traverse the JS one |
|
212 | - * character at a time and try to find whatever starts first. |
|
213 | - * |
|
214 | - * @param string $content The content to replace patterns in |
|
215 | - * |
|
216 | - * @return string The (manipulated) content |
|
217 | - */ |
|
218 | - protected function replace($content) |
|
219 | - { |
|
220 | - $processed = ''; |
|
221 | - $positions = array_fill(0, count($this->patterns), -1); |
|
222 | - $matches = array(); |
|
223 | - |
|
224 | - while ($content) { |
|
225 | - // find first match for all patterns |
|
226 | - foreach ($this->patterns as $i => $pattern) { |
|
227 | - list($pattern, $replacement) = $pattern; |
|
228 | - |
|
229 | - // no need to re-run matches that are still in the part of the |
|
230 | - // content that hasn't been processed |
|
231 | - if ($positions[$i] >= 0) { |
|
232 | - continue; |
|
233 | - } |
|
234 | - |
|
235 | - $match = null; |
|
236 | - if (preg_match($pattern, $content, $match)) { |
|
237 | - $matches[$i] = $match; |
|
238 | - |
|
239 | - // we'll store the match position as well; that way, we |
|
240 | - // don't have to redo all preg_matches after changing only |
|
241 | - // the first (we'll still know where those others are) |
|
242 | - $positions[$i] = strpos($content, $match[0]); |
|
243 | - } else { |
|
244 | - // if the pattern couldn't be matched, there's no point in |
|
245 | - // executing it again in later runs on this same content; |
|
246 | - // ignore this one until we reach end of content |
|
247 | - unset($matches[$i]); |
|
248 | - $positions[$i] = strlen($content); |
|
249 | - } |
|
250 | - } |
|
251 | - |
|
252 | - // no more matches to find: everything's been processed, break out |
|
253 | - if (!$matches) { |
|
254 | - $processed .= $content; |
|
255 | - break; |
|
256 | - } |
|
257 | - |
|
258 | - // see which of the patterns actually found the first thing (we'll |
|
259 | - // only want to execute that one, since we're unsure if what the |
|
260 | - // other found was not inside what the first found) |
|
261 | - $discardLength = min($positions); |
|
262 | - $firstPattern = array_search($discardLength, $positions); |
|
263 | - $match = $matches[$firstPattern][0]; |
|
264 | - |
|
265 | - // execute the pattern that matches earliest in the content string |
|
266 | - list($pattern, $replacement) = $this->patterns[$firstPattern]; |
|
267 | - $replacement = $this->replacePattern($pattern, $replacement, $content); |
|
268 | - |
|
269 | - // figure out which part of the string was unmatched; that's the |
|
270 | - // part we'll execute the patterns on again next |
|
271 | - $content = substr($content, $discardLength); |
|
272 | - $unmatched = (string) substr($content, strpos($content, $match) + strlen($match)); |
|
273 | - |
|
274 | - // move the replaced part to $processed and prepare $content to |
|
275 | - // again match batch of patterns against |
|
276 | - $processed .= substr($replacement, 0, strlen($replacement) - strlen($unmatched)); |
|
277 | - $content = $unmatched; |
|
278 | - |
|
279 | - // first match has been replaced & that content is to be left alone, |
|
280 | - // the next matches will start after this replacement, so we should |
|
281 | - // fix their offsets |
|
282 | - foreach ($positions as $i => $position) { |
|
283 | - $positions[$i] -= $discardLength + strlen($match); |
|
284 | - } |
|
285 | - } |
|
286 | - |
|
287 | - return $processed; |
|
288 | - } |
|
289 | - |
|
290 | - /** |
|
291 | - * This is where a pattern is matched against $content and the matches |
|
292 | - * are replaced by their respective value. |
|
293 | - * This function will be called plenty of times, where $content will always |
|
294 | - * move up 1 character. |
|
295 | - * |
|
296 | - * @param string $pattern Pattern to match |
|
297 | - * @param string|callable $replacement Replacement value |
|
298 | - * @param string $content Content to match pattern against |
|
299 | - * |
|
300 | - * @return string |
|
301 | - */ |
|
302 | - protected function replacePattern($pattern, $replacement, $content) |
|
303 | - { |
|
304 | - if (is_callable($replacement)) { |
|
305 | - return preg_replace_callback($pattern, $replacement, $content, 1, $count); |
|
306 | - } else { |
|
307 | - return preg_replace($pattern, $replacement, $content, 1, $count); |
|
308 | - } |
|
309 | - } |
|
310 | - |
|
311 | - /** |
|
312 | - * Strings are a pattern we need to match, in order to ignore potential |
|
313 | - * code-like content inside them, but we just want all of the string |
|
314 | - * content to remain untouched. |
|
315 | - * |
|
316 | - * This method will replace all string content with simple STRING# |
|
317 | - * placeholder text, so we've rid all strings from characters that may be |
|
318 | - * misinterpreted. Original string content will be saved in $this->extracted |
|
319 | - * and after doing all other minifying, we can restore the original content |
|
320 | - * via restoreStrings(). |
|
321 | - * |
|
322 | - * @param string[optional] $chars |
|
323 | - */ |
|
324 | - protected function extractStrings($chars = '\'"') |
|
325 | - { |
|
326 | - // PHP only supports $this inside anonymous functions since 5.4 |
|
327 | - $minifier = $this; |
|
328 | - $callback = function ($match) use ($minifier) { |
|
329 | - // check the second index here, because the first always contains a quote |
|
330 | - if ($match[2] === '') { |
|
331 | - /* |
|
19 | + /** |
|
20 | + * The data to be minified. |
|
21 | + * |
|
22 | + * @var string[] |
|
23 | + */ |
|
24 | + protected $data = array(); |
|
25 | + |
|
26 | + /** |
|
27 | + * Array of patterns to match. |
|
28 | + * |
|
29 | + * @var string[] |
|
30 | + */ |
|
31 | + protected $patterns = array(); |
|
32 | + |
|
33 | + /** |
|
34 | + * This array will hold content of strings and regular expressions that have |
|
35 | + * been extracted from the JS source code, so we can reliably match "code", |
|
36 | + * without having to worry about potential "code-like" characters inside. |
|
37 | + * |
|
38 | + * @var string[] |
|
39 | + */ |
|
40 | + public $extracted = array(); |
|
41 | + |
|
42 | + /** |
|
43 | + * Init the minify class - optionally, code may be passed along already. |
|
44 | + */ |
|
45 | + public function __construct(/* $data = null, ... */) |
|
46 | + { |
|
47 | + // it's possible to add the source through the constructor as well ;) |
|
48 | + if (func_num_args()) { |
|
49 | + call_user_func_array(array($this, 'add'), func_get_args()); |
|
50 | + } |
|
51 | + } |
|
52 | + |
|
53 | + /** |
|
54 | + * Add a file or straight-up code to be minified. |
|
55 | + * |
|
56 | + * @param string|string[] $data |
|
57 | + */ |
|
58 | + public function add($data /* $data = null, ... */) |
|
59 | + { |
|
60 | + // bogus "usage" of parameter $data: scrutinizer warns this variable is |
|
61 | + // not used (we're using func_get_args instead to support overloading), |
|
62 | + // but it still needs to be defined because it makes no sense to have |
|
63 | + // this function without argument :) |
|
64 | + $args = array($data) + func_get_args(); |
|
65 | + |
|
66 | + // this method can be overloaded |
|
67 | + foreach ($args as $data) { |
|
68 | + if (is_array($data)) { |
|
69 | + call_user_func_array(array($this, 'add'), $data); |
|
70 | + continue; |
|
71 | + } |
|
72 | + |
|
73 | + // redefine var |
|
74 | + $data = (string) $data; |
|
75 | + |
|
76 | + // load data |
|
77 | + $value = $this->load($data); |
|
78 | + $key = ($data != $value) ? $data : count($this->data); |
|
79 | + |
|
80 | + // replace CR linefeeds etc. |
|
81 | + // @see https://github.com/matthiasmullie/minify/pull/139 |
|
82 | + $value = str_replace(array("\r\n", "\r"), "\n", $value); |
|
83 | + |
|
84 | + // store data |
|
85 | + $this->data[$key] = $value; |
|
86 | + } |
|
87 | + } |
|
88 | + |
|
89 | + /** |
|
90 | + * Minify the data & (optionally) saves it to a file. |
|
91 | + * |
|
92 | + * @param string[optional] $path Path to write the data to |
|
93 | + * |
|
94 | + * @return string The minified data |
|
95 | + */ |
|
96 | + public function minify($path = null) |
|
97 | + { |
|
98 | + $content = $this->execute($path); |
|
99 | + |
|
100 | + // save to path |
|
101 | + if ($path !== null) { |
|
102 | + $this->save($content, $path); |
|
103 | + } |
|
104 | + |
|
105 | + return $content; |
|
106 | + } |
|
107 | + |
|
108 | + /** |
|
109 | + * Minify & gzip the data & (optionally) saves it to a file. |
|
110 | + * |
|
111 | + * @param string[optional] $path Path to write the data to |
|
112 | + * @param int[optional] $level Compression level, from 0 to 9 |
|
113 | + * |
|
114 | + * @return string The minified & gzipped data |
|
115 | + */ |
|
116 | + public function gzip($path = null, $level = 9) |
|
117 | + { |
|
118 | + $content = $this->execute($path); |
|
119 | + $content = gzencode($content, $level, FORCE_GZIP); |
|
120 | + |
|
121 | + // save to path |
|
122 | + if ($path !== null) { |
|
123 | + $this->save($content, $path); |
|
124 | + } |
|
125 | + |
|
126 | + return $content; |
|
127 | + } |
|
128 | + |
|
129 | + /** |
|
130 | + * Minify the data & write it to a CacheItemInterface object. |
|
131 | + * |
|
132 | + * @param CacheItemInterface $item Cache item to write the data to |
|
133 | + * |
|
134 | + * @return CacheItemInterface Cache item with the minifier data |
|
135 | + */ |
|
136 | + public function cache(CacheItemInterface $item) |
|
137 | + { |
|
138 | + $content = $this->execute(); |
|
139 | + $item->set($content); |
|
140 | + |
|
141 | + return $item; |
|
142 | + } |
|
143 | + |
|
144 | + /** |
|
145 | + * Minify the data. |
|
146 | + * |
|
147 | + * @param string[optional] $path Path to write the data to |
|
148 | + * |
|
149 | + * @return string The minified data |
|
150 | + */ |
|
151 | + abstract public function execute($path = null); |
|
152 | + |
|
153 | + /** |
|
154 | + * Load data. |
|
155 | + * |
|
156 | + * @param string $data Either a path to a file or the content itself |
|
157 | + * |
|
158 | + * @return string |
|
159 | + */ |
|
160 | + protected function load($data) |
|
161 | + { |
|
162 | + // check if the data is a file |
|
163 | + if ($this->canImportFile($data)) { |
|
164 | + $data = file_get_contents($data); |
|
165 | + |
|
166 | + // strip BOM, if any |
|
167 | + if (substr($data, 0, 3) == "\xef\xbb\xbf") { |
|
168 | + $data = substr($data, 3); |
|
169 | + } |
|
170 | + } |
|
171 | + |
|
172 | + return $data; |
|
173 | + } |
|
174 | + |
|
175 | + /** |
|
176 | + * Save to file. |
|
177 | + * |
|
178 | + * @param string $content The minified data |
|
179 | + * @param string $path The path to save the minified data to |
|
180 | + * |
|
181 | + * @throws IOException |
|
182 | + */ |
|
183 | + protected function save($content, $path) |
|
184 | + { |
|
185 | + $handler = $this->openFileForWriting($path); |
|
186 | + |
|
187 | + $this->writeToFile($handler, $content); |
|
188 | + |
|
189 | + @fclose($handler); |
|
190 | + } |
|
191 | + |
|
192 | + /** |
|
193 | + * Register a pattern to execute against the source content. |
|
194 | + * |
|
195 | + * @param string $pattern PCRE pattern |
|
196 | + * @param string|callable $replacement Replacement value for matched pattern |
|
197 | + */ |
|
198 | + protected function registerPattern($pattern, $replacement = '') |
|
199 | + { |
|
200 | + // study the pattern, we'll execute it more than once |
|
201 | + $pattern .= 'S'; |
|
202 | + |
|
203 | + $this->patterns[] = array($pattern, $replacement); |
|
204 | + } |
|
205 | + |
|
206 | + /** |
|
207 | + * We can't "just" run some regular expressions against JavaScript: it's a |
|
208 | + * complex language. E.g. having an occurrence of // xyz would be a comment, |
|
209 | + * unless it's used within a string. Of you could have something that looks |
|
210 | + * like a 'string', but inside a comment. |
|
211 | + * The only way to accurately replace these pieces is to traverse the JS one |
|
212 | + * character at a time and try to find whatever starts first. |
|
213 | + * |
|
214 | + * @param string $content The content to replace patterns in |
|
215 | + * |
|
216 | + * @return string The (manipulated) content |
|
217 | + */ |
|
218 | + protected function replace($content) |
|
219 | + { |
|
220 | + $processed = ''; |
|
221 | + $positions = array_fill(0, count($this->patterns), -1); |
|
222 | + $matches = array(); |
|
223 | + |
|
224 | + while ($content) { |
|
225 | + // find first match for all patterns |
|
226 | + foreach ($this->patterns as $i => $pattern) { |
|
227 | + list($pattern, $replacement) = $pattern; |
|
228 | + |
|
229 | + // no need to re-run matches that are still in the part of the |
|
230 | + // content that hasn't been processed |
|
231 | + if ($positions[$i] >= 0) { |
|
232 | + continue; |
|
233 | + } |
|
234 | + |
|
235 | + $match = null; |
|
236 | + if (preg_match($pattern, $content, $match)) { |
|
237 | + $matches[$i] = $match; |
|
238 | + |
|
239 | + // we'll store the match position as well; that way, we |
|
240 | + // don't have to redo all preg_matches after changing only |
|
241 | + // the first (we'll still know where those others are) |
|
242 | + $positions[$i] = strpos($content, $match[0]); |
|
243 | + } else { |
|
244 | + // if the pattern couldn't be matched, there's no point in |
|
245 | + // executing it again in later runs on this same content; |
|
246 | + // ignore this one until we reach end of content |
|
247 | + unset($matches[$i]); |
|
248 | + $positions[$i] = strlen($content); |
|
249 | + } |
|
250 | + } |
|
251 | + |
|
252 | + // no more matches to find: everything's been processed, break out |
|
253 | + if (!$matches) { |
|
254 | + $processed .= $content; |
|
255 | + break; |
|
256 | + } |
|
257 | + |
|
258 | + // see which of the patterns actually found the first thing (we'll |
|
259 | + // only want to execute that one, since we're unsure if what the |
|
260 | + // other found was not inside what the first found) |
|
261 | + $discardLength = min($positions); |
|
262 | + $firstPattern = array_search($discardLength, $positions); |
|
263 | + $match = $matches[$firstPattern][0]; |
|
264 | + |
|
265 | + // execute the pattern that matches earliest in the content string |
|
266 | + list($pattern, $replacement) = $this->patterns[$firstPattern]; |
|
267 | + $replacement = $this->replacePattern($pattern, $replacement, $content); |
|
268 | + |
|
269 | + // figure out which part of the string was unmatched; that's the |
|
270 | + // part we'll execute the patterns on again next |
|
271 | + $content = substr($content, $discardLength); |
|
272 | + $unmatched = (string) substr($content, strpos($content, $match) + strlen($match)); |
|
273 | + |
|
274 | + // move the replaced part to $processed and prepare $content to |
|
275 | + // again match batch of patterns against |
|
276 | + $processed .= substr($replacement, 0, strlen($replacement) - strlen($unmatched)); |
|
277 | + $content = $unmatched; |
|
278 | + |
|
279 | + // first match has been replaced & that content is to be left alone, |
|
280 | + // the next matches will start after this replacement, so we should |
|
281 | + // fix their offsets |
|
282 | + foreach ($positions as $i => $position) { |
|
283 | + $positions[$i] -= $discardLength + strlen($match); |
|
284 | + } |
|
285 | + } |
|
286 | + |
|
287 | + return $processed; |
|
288 | + } |
|
289 | + |
|
290 | + /** |
|
291 | + * This is where a pattern is matched against $content and the matches |
|
292 | + * are replaced by their respective value. |
|
293 | + * This function will be called plenty of times, where $content will always |
|
294 | + * move up 1 character. |
|
295 | + * |
|
296 | + * @param string $pattern Pattern to match |
|
297 | + * @param string|callable $replacement Replacement value |
|
298 | + * @param string $content Content to match pattern against |
|
299 | + * |
|
300 | + * @return string |
|
301 | + */ |
|
302 | + protected function replacePattern($pattern, $replacement, $content) |
|
303 | + { |
|
304 | + if (is_callable($replacement)) { |
|
305 | + return preg_replace_callback($pattern, $replacement, $content, 1, $count); |
|
306 | + } else { |
|
307 | + return preg_replace($pattern, $replacement, $content, 1, $count); |
|
308 | + } |
|
309 | + } |
|
310 | + |
|
311 | + /** |
|
312 | + * Strings are a pattern we need to match, in order to ignore potential |
|
313 | + * code-like content inside them, but we just want all of the string |
|
314 | + * content to remain untouched. |
|
315 | + * |
|
316 | + * This method will replace all string content with simple STRING# |
|
317 | + * placeholder text, so we've rid all strings from characters that may be |
|
318 | + * misinterpreted. Original string content will be saved in $this->extracted |
|
319 | + * and after doing all other minifying, we can restore the original content |
|
320 | + * via restoreStrings(). |
|
321 | + * |
|
322 | + * @param string[optional] $chars |
|
323 | + */ |
|
324 | + protected function extractStrings($chars = '\'"') |
|
325 | + { |
|
326 | + // PHP only supports $this inside anonymous functions since 5.4 |
|
327 | + $minifier = $this; |
|
328 | + $callback = function ($match) use ($minifier) { |
|
329 | + // check the second index here, because the first always contains a quote |
|
330 | + if ($match[2] === '') { |
|
331 | + /* |
|
332 | 332 | * Empty strings need no placeholder; they can't be confused for |
333 | 333 | * anything else anyway. |
334 | 334 | * But we still needed to match them, for the extraction routine |
335 | 335 | * to skip over this particular string. |
336 | 336 | */ |
337 | - return $match[0]; |
|
338 | - } |
|
337 | + return $match[0]; |
|
338 | + } |
|
339 | 339 | |
340 | - $count = count($minifier->extracted); |
|
341 | - $placeholder = $match[1].$count.$match[1]; |
|
342 | - $minifier->extracted[$placeholder] = $match[1].$match[2].$match[1]; |
|
340 | + $count = count($minifier->extracted); |
|
341 | + $placeholder = $match[1].$count.$match[1]; |
|
342 | + $minifier->extracted[$placeholder] = $match[1].$match[2].$match[1]; |
|
343 | 343 | |
344 | - return $placeholder; |
|
345 | - }; |
|
344 | + return $placeholder; |
|
345 | + }; |
|
346 | 346 | |
347 | - /* |
|
347 | + /* |
|
348 | 348 | * The \\ messiness explained: |
349 | 349 | * * Don't count ' or " as end-of-string if it's escaped (has backslash |
350 | 350 | * in front of it) |
@@ -356,75 +356,75 @@ discard block |
||
356 | 356 | * considered as escape-char (times 2) and to get it in the regex, |
357 | 357 | * escaped (times 2) |
358 | 358 | */ |
359 | - $this->registerPattern('/(['.$chars.'])(.*?(?<!\\\\)(\\\\\\\\)*+)\\1/s', $callback); |
|
360 | - } |
|
361 | - |
|
362 | - /** |
|
363 | - * This method will restore all extracted data (strings, regexes) that were |
|
364 | - * replaced with placeholder text in extract*(). The original content was |
|
365 | - * saved in $this->extracted. |
|
366 | - * |
|
367 | - * @param string $content |
|
368 | - * |
|
369 | - * @return string |
|
370 | - */ |
|
371 | - protected function restoreExtractedData($content) |
|
372 | - { |
|
373 | - if (!$this->extracted) { |
|
374 | - // nothing was extracted, nothing to restore |
|
375 | - return $content; |
|
376 | - } |
|
377 | - |
|
378 | - $content = strtr($content, $this->extracted); |
|
379 | - |
|
380 | - $this->extracted = array(); |
|
381 | - |
|
382 | - return $content; |
|
383 | - } |
|
384 | - |
|
385 | - /** |
|
386 | - * Check if the path is a regular file and can be read. |
|
387 | - * |
|
388 | - * @param string $path |
|
389 | - * |
|
390 | - * @return bool |
|
391 | - */ |
|
392 | - protected function canImportFile($path) |
|
393 | - { |
|
394 | - return strlen($path) < PHP_MAXPATHLEN && @is_file($path) && is_readable($path); |
|
395 | - } |
|
396 | - |
|
397 | - /** |
|
398 | - * Attempts to open file specified by $path for writing. |
|
399 | - * |
|
400 | - * @param string $path The path to the file |
|
401 | - * |
|
402 | - * @return resource Specifier for the target file |
|
403 | - * |
|
404 | - * @throws IOException |
|
405 | - */ |
|
406 | - protected function openFileForWriting($path) |
|
407 | - { |
|
408 | - if (($handler = @fopen($path, 'w')) === false) { |
|
409 | - throw new IOException('The file "'.$path.'" could not be opened for writing. Check if PHP has enough permissions.'); |
|
410 | - } |
|
411 | - |
|
412 | - return $handler; |
|
413 | - } |
|
414 | - |
|
415 | - /** |
|
416 | - * Attempts to write $content to the file specified by $handler. $path is used for printing exceptions. |
|
417 | - * |
|
418 | - * @param resource $handler The resource to write to |
|
419 | - * @param string $content The content to write |
|
420 | - * @param string $path The path to the file (for exception printing only) |
|
421 | - * |
|
422 | - * @throws IOException |
|
423 | - */ |
|
424 | - protected function writeToFile($handler, $content, $path = '') |
|
425 | - { |
|
426 | - if (($result = @fwrite($handler, $content)) === false || ($result < strlen($content))) { |
|
427 | - throw new IOException('The file "'.$path.'" could not be written to. Check your disk space and file permissions.'); |
|
428 | - } |
|
429 | - } |
|
359 | + $this->registerPattern('/(['.$chars.'])(.*?(?<!\\\\)(\\\\\\\\)*+)\\1/s', $callback); |
|
360 | + } |
|
361 | + |
|
362 | + /** |
|
363 | + * This method will restore all extracted data (strings, regexes) that were |
|
364 | + * replaced with placeholder text in extract*(). The original content was |
|
365 | + * saved in $this->extracted. |
|
366 | + * |
|
367 | + * @param string $content |
|
368 | + * |
|
369 | + * @return string |
|
370 | + */ |
|
371 | + protected function restoreExtractedData($content) |
|
372 | + { |
|
373 | + if (!$this->extracted) { |
|
374 | + // nothing was extracted, nothing to restore |
|
375 | + return $content; |
|
376 | + } |
|
377 | + |
|
378 | + $content = strtr($content, $this->extracted); |
|
379 | + |
|
380 | + $this->extracted = array(); |
|
381 | + |
|
382 | + return $content; |
|
383 | + } |
|
384 | + |
|
385 | + /** |
|
386 | + * Check if the path is a regular file and can be read. |
|
387 | + * |
|
388 | + * @param string $path |
|
389 | + * |
|
390 | + * @return bool |
|
391 | + */ |
|
392 | + protected function canImportFile($path) |
|
393 | + { |
|
394 | + return strlen($path) < PHP_MAXPATHLEN && @is_file($path) && is_readable($path); |
|
395 | + } |
|
396 | + |
|
397 | + /** |
|
398 | + * Attempts to open file specified by $path for writing. |
|
399 | + * |
|
400 | + * @param string $path The path to the file |
|
401 | + * |
|
402 | + * @return resource Specifier for the target file |
|
403 | + * |
|
404 | + * @throws IOException |
|
405 | + */ |
|
406 | + protected function openFileForWriting($path) |
|
407 | + { |
|
408 | + if (($handler = @fopen($path, 'w')) === false) { |
|
409 | + throw new IOException('The file "'.$path.'" could not be opened for writing. Check if PHP has enough permissions.'); |
|
410 | + } |
|
411 | + |
|
412 | + return $handler; |
|
413 | + } |
|
414 | + |
|
415 | + /** |
|
416 | + * Attempts to write $content to the file specified by $handler. $path is used for printing exceptions. |
|
417 | + * |
|
418 | + * @param resource $handler The resource to write to |
|
419 | + * @param string $content The content to write |
|
420 | + * @param string $path The path to the file (for exception printing only) |
|
421 | + * |
|
422 | + * @throws IOException |
|
423 | + */ |
|
424 | + protected function writeToFile($handler, $content, $path = '') |
|
425 | + { |
|
426 | + if (($result = @fwrite($handler, $content)) === false || ($result < strlen($content))) { |
|
427 | + throw new IOException('The file "'.$path.'" could not be written to. Check your disk space and file permissions.'); |
|
428 | + } |
|
429 | + } |
|
430 | 430 | } |
@@ -31,73 +31,73 @@ |
||
31 | 31 | */ |
32 | 32 | class RequestParameters |
33 | 33 | { |
34 | - /** |
|
35 | - * Site secret. |
|
36 | - * @var string |
|
37 | - */ |
|
38 | - private $secret; |
|
34 | + /** |
|
35 | + * Site secret. |
|
36 | + * @var string |
|
37 | + */ |
|
38 | + private $secret; |
|
39 | 39 | |
40 | - /** |
|
41 | - * Form response. |
|
42 | - * @var string |
|
43 | - */ |
|
44 | - private $response; |
|
40 | + /** |
|
41 | + * Form response. |
|
42 | + * @var string |
|
43 | + */ |
|
44 | + private $response; |
|
45 | 45 | |
46 | - /** |
|
47 | - * Remote user's IP address. |
|
48 | - * @var string |
|
49 | - */ |
|
50 | - private $remoteIp; |
|
46 | + /** |
|
47 | + * Remote user's IP address. |
|
48 | + * @var string |
|
49 | + */ |
|
50 | + private $remoteIp; |
|
51 | 51 | |
52 | - /** |
|
53 | - * Client version. |
|
54 | - * @var string |
|
55 | - */ |
|
56 | - private $version; |
|
52 | + /** |
|
53 | + * Client version. |
|
54 | + * @var string |
|
55 | + */ |
|
56 | + private $version; |
|
57 | 57 | |
58 | - /** |
|
59 | - * Initialise parameters. |
|
60 | - * |
|
61 | - * @param string $secret Site secret. |
|
62 | - * @param string $response Value from g-captcha-response form field. |
|
63 | - * @param string $remoteIp User's IP address. |
|
64 | - * @param string $version Version of this client library. |
|
65 | - */ |
|
66 | - public function __construct($secret, $response, $remoteIp = null, $version = null) |
|
67 | - { |
|
68 | - $this->secret = $secret; |
|
69 | - $this->response = $response; |
|
70 | - $this->remoteIp = $remoteIp; |
|
71 | - $this->version = $version; |
|
72 | - } |
|
58 | + /** |
|
59 | + * Initialise parameters. |
|
60 | + * |
|
61 | + * @param string $secret Site secret. |
|
62 | + * @param string $response Value from g-captcha-response form field. |
|
63 | + * @param string $remoteIp User's IP address. |
|
64 | + * @param string $version Version of this client library. |
|
65 | + */ |
|
66 | + public function __construct($secret, $response, $remoteIp = null, $version = null) |
|
67 | + { |
|
68 | + $this->secret = $secret; |
|
69 | + $this->response = $response; |
|
70 | + $this->remoteIp = $remoteIp; |
|
71 | + $this->version = $version; |
|
72 | + } |
|
73 | 73 | |
74 | - /** |
|
75 | - * Array representation. |
|
76 | - * |
|
77 | - * @return array Array formatted parameters. |
|
78 | - */ |
|
79 | - public function toArray() |
|
80 | - { |
|
81 | - $params = array('secret' => $this->secret, 'response' => $this->response); |
|
74 | + /** |
|
75 | + * Array representation. |
|
76 | + * |
|
77 | + * @return array Array formatted parameters. |
|
78 | + */ |
|
79 | + public function toArray() |
|
80 | + { |
|
81 | + $params = array('secret' => $this->secret, 'response' => $this->response); |
|
82 | 82 | |
83 | - if (!is_null($this->remoteIp)) { |
|
84 | - $params['remoteip'] = $this->remoteIp; |
|
85 | - } |
|
83 | + if (!is_null($this->remoteIp)) { |
|
84 | + $params['remoteip'] = $this->remoteIp; |
|
85 | + } |
|
86 | 86 | |
87 | - if (!is_null($this->version)) { |
|
88 | - $params['version'] = $this->version; |
|
89 | - } |
|
87 | + if (!is_null($this->version)) { |
|
88 | + $params['version'] = $this->version; |
|
89 | + } |
|
90 | 90 | |
91 | - return $params; |
|
92 | - } |
|
91 | + return $params; |
|
92 | + } |
|
93 | 93 | |
94 | - /** |
|
95 | - * Query string representation for HTTP request. |
|
96 | - * |
|
97 | - * @return string Query string formatted parameters. |
|
98 | - */ |
|
99 | - public function toQueryString() |
|
100 | - { |
|
101 | - return http_build_query($this->toArray(), '', '&'); |
|
102 | - } |
|
94 | + /** |
|
95 | + * Query string representation for HTTP request. |
|
96 | + * |
|
97 | + * @return string Query string formatted parameters. |
|
98 | + */ |
|
99 | + public function toQueryString() |
|
100 | + { |
|
101 | + return http_build_query($this->toArray(), '', '&'); |
|
102 | + } |
|
103 | 103 | } |
@@ -32,11 +32,11 @@ |
||
32 | 32 | interface RequestMethod |
33 | 33 | { |
34 | 34 | |
35 | - /** |
|
36 | - * Submit the request with the specified parameters. |
|
37 | - * |
|
38 | - * @param RequestParameters $params Request parameters |
|
39 | - * @return string Body of the reCAPTCHA response |
|
40 | - */ |
|
41 | - public function submit(RequestParameters $params); |
|
35 | + /** |
|
36 | + * Submit the request with the specified parameters. |
|
37 | + * |
|
38 | + * @param RequestParameters $params Request parameters |
|
39 | + * @return string Body of the reCAPTCHA response |
|
40 | + */ |
|
41 | + public function submit(RequestParameters $params); |
|
42 | 42 | } |
@@ -36,53 +36,53 @@ |
||
36 | 36 | */ |
37 | 37 | class CurlPost implements RequestMethod |
38 | 38 | { |
39 | - /** |
|
40 | - * URL to which requests are sent via cURL. |
|
41 | - * @const string |
|
42 | - */ |
|
43 | - const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify'; |
|
39 | + /** |
|
40 | + * URL to which requests are sent via cURL. |
|
41 | + * @const string |
|
42 | + */ |
|
43 | + const SITE_VERIFY_URL = 'https://www.google.com/recaptcha/api/siteverify'; |
|
44 | 44 | |
45 | - /** |
|
46 | - * Curl connection to the reCAPTCHA service |
|
47 | - * @var Curl |
|
48 | - */ |
|
49 | - private $curl; |
|
45 | + /** |
|
46 | + * Curl connection to the reCAPTCHA service |
|
47 | + * @var Curl |
|
48 | + */ |
|
49 | + private $curl; |
|
50 | 50 | |
51 | - public function __construct(Curl $curl = null) |
|
52 | - { |
|
53 | - if (!is_null($curl)) { |
|
54 | - $this->curl = $curl; |
|
55 | - } else { |
|
56 | - $this->curl = new Curl(); |
|
57 | - } |
|
58 | - } |
|
51 | + public function __construct(Curl $curl = null) |
|
52 | + { |
|
53 | + if (!is_null($curl)) { |
|
54 | + $this->curl = $curl; |
|
55 | + } else { |
|
56 | + $this->curl = new Curl(); |
|
57 | + } |
|
58 | + } |
|
59 | 59 | |
60 | - /** |
|
61 | - * Submit the cURL request with the specified parameters. |
|
62 | - * |
|
63 | - * @param RequestParameters $params Request parameters |
|
64 | - * @return string Body of the reCAPTCHA response |
|
65 | - */ |
|
66 | - public function submit(RequestParameters $params) |
|
67 | - { |
|
68 | - $handle = $this->curl->init(self::SITE_VERIFY_URL); |
|
60 | + /** |
|
61 | + * Submit the cURL request with the specified parameters. |
|
62 | + * |
|
63 | + * @param RequestParameters $params Request parameters |
|
64 | + * @return string Body of the reCAPTCHA response |
|
65 | + */ |
|
66 | + public function submit(RequestParameters $params) |
|
67 | + { |
|
68 | + $handle = $this->curl->init(self::SITE_VERIFY_URL); |
|
69 | 69 | |
70 | - $options = array( |
|
71 | - CURLOPT_POST => true, |
|
72 | - CURLOPT_POSTFIELDS => $params->toQueryString(), |
|
73 | - CURLOPT_HTTPHEADER => array( |
|
74 | - 'Content-Type: application/x-www-form-urlencoded' |
|
75 | - ), |
|
76 | - CURLINFO_HEADER_OUT => false, |
|
77 | - CURLOPT_HEADER => false, |
|
78 | - CURLOPT_RETURNTRANSFER => true, |
|
79 | - CURLOPT_SSL_VERIFYPEER => true |
|
80 | - ); |
|
81 | - $this->curl->setoptArray($handle, $options); |
|
70 | + $options = array( |
|
71 | + CURLOPT_POST => true, |
|
72 | + CURLOPT_POSTFIELDS => $params->toQueryString(), |
|
73 | + CURLOPT_HTTPHEADER => array( |
|
74 | + 'Content-Type: application/x-www-form-urlencoded' |
|
75 | + ), |
|
76 | + CURLINFO_HEADER_OUT => false, |
|
77 | + CURLOPT_HEADER => false, |
|
78 | + CURLOPT_RETURNTRANSFER => true, |
|
79 | + CURLOPT_SSL_VERIFYPEER => true |
|
80 | + ); |
|
81 | + $this->curl->setoptArray($handle, $options); |
|
82 | 82 | |
83 | - $response = $this->curl->exec($handle); |
|
84 | - $this->curl->close($handle); |
|
83 | + $response = $this->curl->exec($handle); |
|
84 | + $this->curl->close($handle); |
|
85 | 85 | |
86 | - return $response; |
|
87 | - } |
|
86 | + return $response; |
|
87 | + } |
|
88 | 88 | } |
@@ -32,74 +32,74 @@ |
||
32 | 32 | */ |
33 | 33 | class Socket |
34 | 34 | { |
35 | - private $handle = null; |
|
35 | + private $handle = null; |
|
36 | 36 | |
37 | - /** |
|
38 | - * fsockopen |
|
39 | - * |
|
40 | - * @see http://php.net/fsockopen |
|
41 | - * @param string $hostname |
|
42 | - * @param int $port |
|
43 | - * @param int $errno |
|
44 | - * @param string $errstr |
|
45 | - * @param float $timeout |
|
46 | - * @return resource |
|
47 | - */ |
|
48 | - public function fsockopen($hostname, $port = -1, &$errno = 0, &$errstr = '', $timeout = null) |
|
49 | - { |
|
50 | - $this->handle = fsockopen($hostname, $port, $errno, $errstr, (is_null($timeout) ? ini_get("default_socket_timeout") : $timeout)); |
|
37 | + /** |
|
38 | + * fsockopen |
|
39 | + * |
|
40 | + * @see http://php.net/fsockopen |
|
41 | + * @param string $hostname |
|
42 | + * @param int $port |
|
43 | + * @param int $errno |
|
44 | + * @param string $errstr |
|
45 | + * @param float $timeout |
|
46 | + * @return resource |
|
47 | + */ |
|
48 | + public function fsockopen($hostname, $port = -1, &$errno = 0, &$errstr = '', $timeout = null) |
|
49 | + { |
|
50 | + $this->handle = fsockopen($hostname, $port, $errno, $errstr, (is_null($timeout) ? ini_get("default_socket_timeout") : $timeout)); |
|
51 | 51 | |
52 | - if ($this->handle != false && $errno === 0 && $errstr === '') { |
|
53 | - return $this->handle; |
|
54 | - } else { |
|
55 | - return false; |
|
56 | - } |
|
57 | - } |
|
52 | + if ($this->handle != false && $errno === 0 && $errstr === '') { |
|
53 | + return $this->handle; |
|
54 | + } else { |
|
55 | + return false; |
|
56 | + } |
|
57 | + } |
|
58 | 58 | |
59 | - /** |
|
60 | - * fwrite |
|
61 | - * |
|
62 | - * @see http://php.net/fwrite |
|
63 | - * @param string $string |
|
64 | - * @param int $length |
|
65 | - * @return int | bool |
|
66 | - */ |
|
67 | - public function fwrite($string, $length = null) |
|
68 | - { |
|
69 | - return fwrite($this->handle, $string, (is_null($length) ? strlen($string) : $length)); |
|
70 | - } |
|
59 | + /** |
|
60 | + * fwrite |
|
61 | + * |
|
62 | + * @see http://php.net/fwrite |
|
63 | + * @param string $string |
|
64 | + * @param int $length |
|
65 | + * @return int | bool |
|
66 | + */ |
|
67 | + public function fwrite($string, $length = null) |
|
68 | + { |
|
69 | + return fwrite($this->handle, $string, (is_null($length) ? strlen($string) : $length)); |
|
70 | + } |
|
71 | 71 | |
72 | - /** |
|
73 | - * fgets |
|
74 | - * |
|
75 | - * @see http://php.net/fgets |
|
76 | - * @param int $length |
|
77 | - * @return string |
|
78 | - */ |
|
79 | - public function fgets($length = null) |
|
80 | - { |
|
81 | - return fgets($this->handle, $length); |
|
82 | - } |
|
72 | + /** |
|
73 | + * fgets |
|
74 | + * |
|
75 | + * @see http://php.net/fgets |
|
76 | + * @param int $length |
|
77 | + * @return string |
|
78 | + */ |
|
79 | + public function fgets($length = null) |
|
80 | + { |
|
81 | + return fgets($this->handle, $length); |
|
82 | + } |
|
83 | 83 | |
84 | - /** |
|
85 | - * feof |
|
86 | - * |
|
87 | - * @see http://php.net/feof |
|
88 | - * @return bool |
|
89 | - */ |
|
90 | - public function feof() |
|
91 | - { |
|
92 | - return feof($this->handle); |
|
93 | - } |
|
84 | + /** |
|
85 | + * feof |
|
86 | + * |
|
87 | + * @see http://php.net/feof |
|
88 | + * @return bool |
|
89 | + */ |
|
90 | + public function feof() |
|
91 | + { |
|
92 | + return feof($this->handle); |
|
93 | + } |
|
94 | 94 | |
95 | - /** |
|
96 | - * fclose |
|
97 | - * |
|
98 | - * @see http://php.net/fclose |
|
99 | - * @return bool |
|
100 | - */ |
|
101 | - public function fclose() |
|
102 | - { |
|
103 | - return fclose($this->handle); |
|
104 | - } |
|
95 | + /** |
|
96 | + * fclose |
|
97 | + * |
|
98 | + * @see http://php.net/fclose |
|
99 | + * @return bool |
|
100 | + */ |
|
101 | + public function fclose() |
|
102 | + { |
|
103 | + return fclose($this->handle); |
|
104 | + } |
|
105 | 105 | } |