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/lib/vendor/cssmin.php

https://github.com/kbsali/sfAssetsManagerPlugin
PHP | 1739 lines | 1348 code | 1 blank | 390 comment | 205 complexity | 393cf5abb62e145f29fa25277e7a6531 MD5 | raw file
Possible License(s): BSD-3-Clause

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  1. <?php
    2. 

  2. /**
    3. 

  3.  * CssMin - A (simple) css minifier with benefits
    4. 

  4.  * 
    5. 

  5.  * --
    6. 

  6.  * 
    7. 

  7.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
    8. 

  8.  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
    9. 

  9.  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
    10. 

  10.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    11. 

  11.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    12. 

  12.  * --
    13. 

  13.  *
    14. 

  14.  * @package		CssMin
    15. 

  15.  * @link		http://code.google.com/p/cssmin/
    16. 

  16.  * @author		Joe Scylla <joe.scylla@gmail.com>
    17. 

  17.  * @copyright	2008 - 2011 Joe Scylla <joe.scylla@gmail.com>
    18. 

  18.  * @license		http://opensource.org/licenses/mit-license.php MIT License
    19. 

  19.  * @version		2.0.2.1 (2011-02-18)
    20. 

  20.  */
    21. 

  21. class CssMin
    22. 

  22. 	{
    23. 

  23. 	/**
    24. 

  24. 	 * Null-Token.
    25. 

  25. 	 * 
    26. 

  26. 	 * @var integer
    27. 

  27. 	 */
    28. 

  28. 	const T_NULL = 0;
    29. 

  29. 	/**
    30. 

  30. 	 * State: Is in document
    31. 

  31. 	 * 
    32. 

  32. 	 * @var integer
    33. 

  33. 	 */
    34. 

  34. 	const T_DOCUMENT = 1;
    35. 

  35. 	/**
    36. 

  36. 	 * Token: Comment
    37. 

  37. 	 * 
    38. 

  38. 	 * @var integer
    39. 

  39. 	 */
    40. 

  40. 	const T_COMMENT = 2;
    41. 

  41. 	/**
    42. 

  42. 	 * Token: Generic at-rule
    43. 

  43. 	 * 
    44. 

  44. 	 * @var integer
    45. 

  45. 	 */
    46. 

  46. 	const T_AT_RULE = 3;
    47. 

  47. 	/**
    48. 

  48. 	 * Token: Generic at-rule
    49. 

  49. 	 * 
    50. 

  50. 	 * @var integer
    51. 

  51. 	 */
    52. 

  52. 	const T_AT_IMPORT = 22;
    53. 

  53. 	/**
    54. 

  54. 	 * Token: Start of @media block
    55. 

  55. 	 * 
    56. 

  56. 	 * @var integer
    57. 

  57. 	 */
    58. 

  58. 	const T_AT_MEDIA_START = 4;
    59. 

  59. 	/**
    60. 

  60. 	 * State: Is in @media block
    61. 

  61. 	 * 
    62. 

  62. 	 * @var integer
    63. 

  63. 	 */
    64. 

  64. 	const T_AT_MEDIA = 5;
    65. 

  65. 	/**
    66. 

  66. 	 * Token: End of @media block
    67. 

  67. 	 * 
    68. 

  68. 	 * @var integer
    69. 

  69. 	 */
    70. 

  70. 	const T_AT_MEDIA_END = 6;
    71. 

  71. 	/**
    72. 

  72. 	 * Token: Start of @font-face block
    73. 

  73. 	 * 
    74. 

  74. 	 * @var integer
    75. 

  75. 	 */
    76. 

  76. 	const T_AT_FONT_FACE_START = 7;
    77. 

  77. 	/**
    78. 

  78. 	 * State: Is in @font-face block
    79. 

  79. 	 * 
    80. 

  80. 	 * @var integer
    81. 

  81. 	 */
    82. 

  82. 	const T_AT_FONT_FACE = 8;
    83. 

  83. 	/**
    84. 

  84. 	 * Token: @font-face declaration
    85. 

  85. 	 * 
    86. 

  86. 	 * @var integer
    87. 

  87. 	 */
    88. 

  88. 	const T_FONT_FACE_DECLARATION = 9;
    89. 

  89. 	/**
    90. 

  90. 	 * Token: End of @font-face block
    91. 

  91. 	 * 
    92. 

  92. 	 * @var integer
    93. 

  93. 	 */
    94. 

  94. 	const T_AT_FONT_FACE_END = 10;
    95. 

  95. 	/**
    96. 

  96. 	 * Token: Start of @page block
    97. 

  97. 	 * 
    98. 

  98. 	 * @var integer
    99. 

  99. 	 */
    100. 

  100. 	const T_AT_PAGE_START = 11;
    101. 

  101. 	/**
    102. 

  102. 	 * State: Is in @page block
    103. 

  103. 	 * 
    104. 

  104. 	 * @var integer
    105. 

  105. 	 */
    106. 

  106. 	const T_AT_PAGE = 12;
    107. 

  107. 	/**
    108. 

  108. 	 * Token: @page declaration
    109. 

  109. 	 * 
    110. 

  110. 	 * @var integer
    111. 

  111. 	 */
    112. 

  112. 	const T_PAGE_DECLARATION = 13;
    113. 

  113. 	/**
    114. 

  114. 	 * Token: End of @page block
    115. 

  115. 	 * 
    116. 

  116. 	 * @var integer
    117. 

  117. 	 */
    118. 

  118. 	const T_AT_PAGE_END = 14;
    119. 

  119. 	/**
    120. 

  120. 	 * Token: Start of ruleset
    121. 

  121. 	 * 
    122. 

  122. 	 * @var integer
    123. 

  123. 	 */
    124. 

  124. 	const T_RULESET_START = 15;
    125. 

  125. 	/**
    126. 

  126. 	 * Token: Ruleset selectors
    127. 

  127. 	 * 
    128. 

  128. 	 * @var integer
    129. 

  129. 	 */
    130. 

  130. 	const T_SELECTORS = 16;
    131. 

  131. 	/**
    132. 

  132. 	 * Token: Start of declarations
    133. 

  133. 	 * 
    134. 

  134. 	 * @var integer
    135. 

  135. 	 */
    136. 

  136. 	const T_DECLARATIONS_START = 17;
    137. 

  137. 	/**
    138. 

  138. 	 * State: Is in declarations
    139. 

  139. 	 * 
    140. 

  140. 	 * @var integer
    141. 

  141. 	 */
    142. 

  142. 	const T_DECLARATIONS = 18;
    143. 

  143. 	/**
    144. 

  144. 	 * Token: Declaration
    145. 

  145. 	 * 
    146. 

  146. 	 * @var integer
    147. 

  147. 	 */
    148. 

  148. 	const T_DECLARATION = 19;
    149. 

  149. 	/**
    150. 

  150. 	 * Token: End of declarations
    151. 

  151. 	 * 
    152. 

  152. 	 * @var integer
    153. 

  153. 	 */
    154. 

  154. 	const T_DECLARATIONS_END = 20;
    155. 

  155. 	/**
    156. 

  156. 	 * Token: End of ruleset
    157. 

  157. 	 * 
    158. 

  158. 	 * @var integer
    159. 

  159. 	 */
    160. 

  160. 	const T_RULESET_END = 21;
    161. 

  161. 	/**
    162. 

  162. 	 * Token: Start of @variables block
    163. 

  163. 	 * 
    164. 

  164. 	 * @var integer
    165. 

  165. 	 */
    166. 

  166. 	const T_AT_VARIABLES_START = 100;
    167. 

  167. 	/**
    168. 

  168. 	 * State: Is in @variables block
    169. 

  169. 	 * 
    170. 

  170. 	 * @var integer
    171. 

  171. 	 */
    172. 

  172. 	const T_AT_VARIABLES = 101;
    173. 

  173. 	/**
    174. 

  174. 	 * Token: @variables declaration
    175. 

  175. 	 * 
    176. 

  176. 	 * @var integer
    177. 

  177. 	 */
    178. 

  178. 	const T_VARIABLE_DECLARATION = 102;
    179. 

  179. 	/**
    180. 

  180. 	 * Token: End of @variables block
    181. 

  181. 	 * 
    182. 

  182. 	 * @var integer
    183. 

  183. 	 */
    184. 

  184. 	const T_AT_VARIABLES_END = 103;
    185. 

  185. 	/**
    186. 

  186. 	 * State: Is in string
    187. 

  187. 	 * 
    188. 

  188. 	 * @var integer
    189. 

  189. 	 */
    190. 

  190. 	const T_STRING = 253;
    191. 

  191. 	/**
    192. 

  192. 	 * State: Is in url string property
    193. 

  193. 	 * 
    194. 

  194. 	 * @var integer
    195. 

  195. 	 */
    196. 

  196. 	const T_STRING_URL = 254;
    197. 

  197. 	/**
    198. 

  198. 	 * State: Is in expression string property
    199. 

  199. 	 * 
    200. 

  200. 	 * @var integer
    201. 

  201. 	 */
    202. 

  202. 	const T_STRING_EXPRESSION = 255;
    203. 

  203. 	/**
    204. 

  204. 	 * Default configuration.
    205. 

  205. 	 * 
    206. 

  206. 	 * @var array
    207. 

  207. 	 */
    208. 

  208. 	private static $defaultConfiguration = array
    209. 

  209. 		(
    210. 

  210. 		"remove-empty-blocks"			=> true,
    211. 

  211. 		"remove-empty-rulesets"			=> true,
    212. 

  212. 		"remove-last-semicolons"		=> true,
    213. 

  213. 		"convert-css3-properties"		=> false,
    214. 

  214. 		"convert-font-weight-values"	=> false,
    215. 

  215. 		"convert-named-color-values"	=> false,
    216. 

  216. 		"convert-hsl-color-values"		=> false,
    217. 

  217. 		"convert-rgb-color-values"		=> false,
    218. 

  218. 		"compress-color-values"			=> false,
    219. 

  219. 		"compress-unit-values"			=> false,
    220. 

  220. 		"emulate-css3-variables"		=> true,
    221. 

  221. 		"import-imports"				=> false,
    222. 

  222. 		"import-base-path"				=> null,
    223. 

  223. 		"import-remove-invalid"			=> false
    224. 

  224. 		);
    225. 

  225. 	/**
    226. 

  226. 	 * Css color transformations table. Used to convert named colors to hexadecimal notation.
    227. 

  227. 	 * 
    228. 

  228. 	 * @var array
    229. 

  229. 	 */
    230. 

  230. 	private static $colorTransformations = array
    231. 

  231. 		(
    232. 

  232. 		"aliceblue"						=> "#f0f8ff",
    233. 

  233. 		"antiquewhite"					=> "#faebd7",
    234. 

  234. 		"aqua"							=> "#0ff",
    235. 

  235. 		"aquamarine"					=> "#7fffd4",
    236. 

  236. 		"azure"							=> "#f0ffff",
    237. 

  237. 		"beige"							=> "#f5f5dc",
    238. 

  238. 		"black"							=> "#000",
    239. 

  239. 		"blue"							=> "#00f",
    240. 

  240. 		"blueviolet"					=> "#8a2be2",
    241. 

  241. 		"brown"							=> "#a52a2a",
    242. 

  242. 		"burlywood"						=> "#deb887",
    243. 

  243. 		"cadetblue"						=> "#5f9ea0",
    244. 

  244. 		"chartreuse"					=> "#7fff00",
    245. 

  245. 		"chocolate"						=> "#d2691e",
    246. 

  246. 		"coral"							=> "#ff7f50",
    247. 

  247. 		"cornflowerblue"				=> "#6495ed",
    248. 

  248. 		"cornsilk"						=> "#fff8dc",
    249. 

  249. 		"crimson"						=> "#dc143c",
    250. 

  250. 		"darkblue"						=> "#00008b",
    251. 

  251. 		"darkcyan"						=> "#008b8b",
    252. 

  252. 		"darkgoldenrod"					=> "#b8860b",
    253. 

  253. 		"darkgray"						=> "#a9a9a9",
    254. 

  254. 		"darkgreen"						=> "#006400",
    255. 

  255. 		"darkkhaki"						=> "#bdb76b",
    256. 

  256. 		"darkmagenta"					=> "#8b008b",
    257. 

  257. 		"darkolivegreen"				=> "#556b2f",
    258. 

  258. 		"darkorange"					=> "#ff8c00",
    259. 

  259. 		"darkorchid"					=> "#9932cc",
    260. 

  260. 		"darkred"						=> "#8b0000",
    261. 

  261. 		"darksalmon"					=> "#e9967a",
    262. 

  262. 		"darkseagreen"					=> "#8fbc8f",
    263. 

  263. 		"darkslateblue"					=> "#483d8b",
    264. 

  264. 		"darkslategray"					=> "#2f4f4f",
    265. 

  265. 		"darkturquoise"					=> "#00ced1",
    266. 

  266. 		"darkviolet"					=> "#9400d3",
    267. 

  267. 		"deeppink"						=> "#ff1493",
    268. 

  268. 		"deepskyblue"					=> "#00bfff",
    269. 

  269. 		"dimgray"						=> "#696969",
    270. 

  270. 		"dodgerblue"					=> "#1e90ff",
    271. 

  271. 		"firebrick"						=> "#b22222",
    272. 

  272. 		"floralwhite"					=> "#fffaf0",
    273. 

  273. 		"forestgreen"					=> "#228b22",
    274. 

  274. 		"fuchsia"						=> "#f0f",
    275. 

  275. 		"gainsboro"						=> "#dcdcdc",
    276. 

  276. 		"ghostwhite"					=> "#f8f8ff",
    277. 

  277. 		"gold"							=> "#ffd700",
    278. 

  278. 		"goldenrod"						=> "#daa520",
    279. 

  279. 		"gray"							=> "#808080",
    280. 

  280. 		"green"							=> "#008000",
    281. 

  281. 		"greenyellow"					=> "#adff2f",
    282. 

  282. 		"honeydew"						=> "#f0fff0",
    283. 

  283. 		"hotpink"						=> "#ff69b4",
    284. 

  284. 		"indianred"						=> "#cd5c5c",
    285. 

  285. 		"indigo"						=> "#4b0082",
    286. 

  286. 		"ivory"							=> "#fffff0",
    287. 

  287. 		"khaki"							=> "#f0e68c",
    288. 

  288. 		"lavender"						=> "#e6e6fa",
    289. 

  289. 		"lavenderblush"					=> "#fff0f5",
    290. 

  290. 		"lawngreen"						=> "#7cfc00",
    291. 

  291. 		"lemonchiffon"					=> "#fffacd",
    292. 

  292. 		"lightblue"						=> "#add8e6",
    293. 

  293. 		"lightcoral"					=> "#f08080",
    294. 

  294. 		"lightcyan"						=> "#e0ffff",
    295. 

  295. 		"lightgoldenrodyellow"			=> "#fafad2",
    296. 

  296. 		"lightgreen"					=> "#90ee90",
    297. 

  297. 		"lightgrey"						=> "#d3d3d3",
    298. 

  298. 		"lightpink"						=> "#ffb6c1",
    299. 

  299. 		"lightsalmon"					=> "#ffa07a",
    300. 

  300. 		"lightseagreen"					=> "#20b2aa",
    301. 

  301. 		"lightskyblue"					=> "#87cefa",
    302. 

  302. 		"lightslategray"				=> "#789",
    303. 

  303. 		"lightsteelblue"				=> "#b0c4de",
    304. 

  304. 		"lightyellow"					=> "#ffffe0",
    305. 

  305. 		"lime"							=> "#0f0",
    306. 

  306. 		"limegreen"						=> "#32cd32",
    307. 

  307. 		"linen"							=> "#faf0e6",
    308. 

  308. 		"maroon"						=> "#800000",
    309. 

  309. 		"mediumaquamarine"				=> "#66cdaa",
    310. 

  310. 		"mediumblue"					=> "#0000cd",
    311. 

  311. 		"mediumorchid"					=> "#ba55d3",
    312. 

  312. 		"mediumpurple"					=> "#9370db",
    313. 

  313. 		"mediumseagreen"				=> "#3cb371",
    314. 

  314. 		"mediumslateblue"				=> "#7b68ee",
    315. 

  315. 		"mediumspringgreen"				=> "#00fa9a",
    316. 

  316. 		"mediumturquoise"				=> "#48d1cc",
    317. 

  317. 		"mediumvioletred"				=> "#c71585",
    318. 

  318. 		"midnightblue"					=> "#191970",
    319. 

  319. 		"mintcream"						=> "#f5fffa",
    320. 

  320. 		"mistyrose"						=> "#ffe4e1",
    321. 

  321. 		"moccasin"						=> "#ffe4b5",
    322. 

  322. 		"navajowhite"					=> "#ffdead",
    323. 

  323. 		"navy"							=> "#000080",
    324. 

  324. 		"oldlace"						=> "#fdf5e6",
    325. 

  325. 		"olive"							=> "#808000",
    326. 

  326. 		"olivedrab"						=> "#6b8e23",
    327. 

  327. 		"orange"						=> "#ffa500",
    328. 

  328. 		"orangered"						=> "#ff4500",
    329. 

  329. 		"orchid"						=> "#da70d6",
    330. 

  330. 		"palegoldenrod"					=> "#eee8aa",
    331. 

  331. 		"palegreen"						=> "#98fb98",
    332. 

  332. 		"paleturquoise"					=> "#afeeee",
    333. 

  333. 		"palevioletred"					=> "#db7093",
    334. 

  334. 		"papayawhip"					=> "#ffefd5",
    335. 

  335. 		"peachpuff"						=> "#ffdab9",
    336. 

  336. 		"peru"							=> "#cd853f",
    337. 

  337. 		"pink"							=> "#ffc0cb",
    338. 

  338. 		"plum"							=> "#dda0dd",
    339. 

  339. 		"powderblue"					=> "#b0e0e6",
    340. 

  340. 		"purple"						=> "#800080",
    341. 

  341. 		"red"							=> "#f00",
    342. 

  342. 		"rosybrown"						=> "#bc8f8f",
    343. 

  343. 		"royalblue"						=> "#4169e1",
    344. 

  344. 		"saddlebrown"					=> "#8b4513",
    345. 

  345. 		"salmon"						=> "#fa8072",
    346. 

  346. 		"sandybrown"					=> "#f4a460",
    347. 

  347. 		"seagreen"						=> "#2e8b57",
    348. 

  348. 		"seashell"						=> "#fff5ee",
    349. 

  349. 		"sienna"						=> "#a0522d",
    350. 

  350. 		"silver"						=> "#c0c0c0",
    351. 

  351. 		"skyblue"						=> "#87ceeb",
    352. 

  352. 		"slateblue"						=> "#6a5acd",
    353. 

  353. 		"slategray"						=> "#708090",
    354. 

  354. 		"snow"							=> "#fffafa",
    355. 

  355. 		"springgreen"					=> "#00ff7f",
    356. 

  356. 		"steelblue"						=> "#4682b4",
    357. 

  357. 		"tan"							=> "#d2b48c",
    358. 

  358. 		"teal"							=> "#008080",
    359. 

  359. 		"thistle"						=> "#d8bfd8",
    360. 

  360. 		"tomato"						=> "#ff6347",
    361. 

  361. 		"turquoise"						=> "#40e0d0",
    362. 

  362. 		"violet"						=> "#ee82ee",
    363. 

  363. 		"wheat"							=> "#f5deb3",
    364. 

  364. 		"white"							=> "#fff",
    365. 

  365. 		"whitesmoke"					=> "#f5f5f5",
    366. 

  366. 		"yellow"						=> "#ff0",
    367. 

  367. 		"yellowgreen"					=> "#9acd32"
    368. 

  368. 		);
    369. 

  369. 	/**
    370. 

  370. 	 * 
    371. 

  371. 	 * @var array
    372. 

  372. 	 */
    373. 

  373. 	private static $fontWeightTransformations = array
    374. 

  374.  		(
    375. 

  375.  		"normal"						=> "400",
    376. 

  376.  		"bold"							=> "700"
    377. 

  377.  		);
    378. 

  378. 	/**
    379. 

  379. 	 * Css property transformations table. Used to convert CSS3 and proprietary properties to the browser-specific counterparts.
    380. 

  380. 	 * 
    381. 

  381. 	 * @var array
    382. 

  382. 	 */
    383. 

  383. 	private static $propertyTransformations = array
    384. 

  384. 		(
    385. 

  385. 		// Property						Array(Mozilla, Webkit, Opera, Internet Explorer); NULL values are placeholders and will get ignored
    386. 

  386. 		"animation"						=> array(null, "-webkit-animation", null, null),
    387. 

  387. 		"animation-delay"				=> array(null, "-webkit-animation-delay", null, null),
    388. 

  388. 		"animation-direction" 			=> array(null, "-webkit-animation-direction", null, null),
    389. 

  389. 		"animation-duration"			=> array(null, "-webkit-animation-duration", null, null),
    390. 

  390. 		"animation-fill-mode"			=> array(null, "-webkit-animation-fill-mode", null, null),
    391. 

  391. 		"animation-iteration-count"		=> array(null, "-webkit-animation-iteration-count", null, null),
    392. 

  392. 		"animation-name"				=> array(null, "-webkit-animation-name", null, null),
    393. 

  393. 		"animation-play-state"			=> array(null, "-webkit-animation-play-state", null, null),
    394. 

  394. 		"animation-timing-function"		=> array(null, "-webkit-animation-timing-function", null, null),
    395. 

  395. 		"appearance"					=> array("-moz-appearance", "-webkit-appearance", null, null),
    396. 

  396. 		"backface-visibility"			=> array(null, "-webkit-backface-visibility", null, null),
    397. 

  397. 		"background-clip"				=> array(null, "-webkit-background-clip", null, null),
    398. 

  398. 		"background-composite"			=> array(null, "-webkit-background-composite", null, null),
    399. 

  399. 		"background-inline-policy"		=> array("-moz-background-inline-policy", null, null, null),
    400. 

  400. 		"background-origin"				=> array(null, "-webkit-background-origin", null, null),
    401. 

  401. 		"background-position-x"			=> array(null, null, null, "-ms-background-position-x"),
    402. 

  402. 		"background-position-y"			=> array(null, null, null, "-ms-background-position-y"),
    403. 

  403. 		"background-size"				=> array(null, "-webkit-background-size", null, null),
    404. 

  404. 		"behavior"						=> array(null, null, null, "-ms-behavior"),
    405. 

  405. 		"binding"						=> array("-moz-binding", null, null, null),
    406. 

  406. 		"border-after"					=> array(null, "-webkit-border-after", null, null),
    407. 

  407. 		"border-after-color"			=> array(null, "-webkit-border-after-color", null, null),
    408. 

  408. 		"border-after-style"			=> array(null, "-webkit-border-after-style", null, null),
    409. 

  409. 		"border-after-width"			=> array(null, "-webkit-border-after-width", null, null),
    410. 

  410. 		"border-before"					=> array(null, "-webkit-border-before", null, null),
    411. 

  411. 		"border-before-color"			=> array(null, "-webkit-border-before-color", null, null),
    412. 

  412. 		"border-before-style"			=> array(null, "-webkit-border-before-style", null, null),
    413. 

  413. 		"border-before-width"			=> array(null, "-webkit-border-before-width", null, null),
    414. 

  414. 		"border-border-bottom-colors"	=> array("-moz-border-bottom-colors", null, null, null),
    415. 

  415. 		"border-bottom-left-radius"		=> array("-moz-border-radius-bottomleft", "-webkit-border-bottom-left-radius", null, null),
    416. 

  416. 		"border-bottom-right-radius"	=> array("-moz-border-radius-bottomright", "-webkit-border-bottom-right-radius", null, null),
    417. 

  417. 		"border-end"					=> array("-moz-border-end", "-webkit-border-end", null, null),
    418. 

  418. 		"border-end-color"				=> array("-moz-border-end-color", "-webkit-border-end-color", null, null),
    419. 

  419. 		"border-end-style"				=> array("-moz-border-end-style", "-webkit-border-end-style", null, null),
    420. 

  420. 		"border-end-width"				=> array("-moz-border-end-width", "-webkit-border-end-width", null, null),
    421. 

  421. 		"border-fit"					=> array(null, "-webkit-border-fit", null, null),
    422. 

  422. 		"border-horizontal-spacing"		=> array(null, "-webkit-border-horizontal-spacing", null, null),
    423. 

  423. 		"border-image"					=> array("-moz-border-image", "-webkit-border-image", null, null),
    424. 

  424. 		"border-left-colors"			=> array("-moz-border-left-colors", null, null, null),
    425. 

  425. 		"border-radius"					=> array("-moz-border-radius", "-webkit-border-radius", null, null),
    426. 

  426. 		"border-border-right-colors"	=> array("-moz-border-right-colors", null, null, null),
    427. 

  427. 		"border-start"					=> array("-moz-border-start", "-webkit-border-start", null, null),
    428. 

  428. 		"border-start-color"			=> array("-moz-border-start-color", "-webkit-border-start-color", null, null),
    429. 

  429. 		"border-start-style"			=> array("-moz-border-start-style", "-webkit-border-start-style", null, null),
    430. 

  430. 		"border-start-width"			=> array("-moz-border-start-width", "-webkit-border-start-width", null, null),
    431. 

  431. 		"border-top-colors"				=> array("-moz-border-top-colors", null, null, null),
    432. 

  432. 		"border-top-left-radius"		=> array("-moz-border-radius-topleft", "-webkit-border-top-left-radius", null, null),
    433. 

  433. 		"border-top-right-radius"		=> array("-moz-border-radius-topright", "-webkit-border-top-right-radius", null, null),
    434. 

  434. 		"border-vertical-spacing"		=> array(null, "-webkit-border-vertical-spacing", null, null),
    435. 

  435. 		"box-align"						=> array("-moz-box-align", "-webkit-box-align", null, null),
    436. 

  436. 		"box-direction"					=> array("-moz-box-direction", "-webkit-box-direction", null, null),
    437. 

  437. 		"box-flex"						=> array("-moz-box-flex", "-webkit-box-flex", null, null),
    438. 

  438. 		"box-flex-group"				=> array(null, "-webkit-box-flex-group", null, null),
    439. 

  439. 		"box-flex-lines"				=> array(null, "-webkit-box-flex-lines", null, null),
    440. 

  440. 		"box-ordinal-group"				=> array("-moz-box-ordinal-group", "-webkit-box-ordinal-group", null, null),
    441. 

  441. 		"box-orient"					=> array("-moz-box-orient", "-webkit-box-orient", null, null),
    442. 

  442. 		"box-pack"						=> array("-moz-box-pack", "-webkit-box-pack", null, null),
    443. 

  443. 		"box-reflect"					=> array(null, "-webkit-box-reflect", null, null),
    444. 

  444. 		"box-shadow"					=> array("-moz-box-shadow", "-webkit-box-shadow", null, null),
    445. 

  445. 		"box-sizing"					=> array("-moz-box-sizing", null, null, null),
    446. 

  446. 		"color-correction"				=> array(null, "-webkit-color-correction", null, null),
    447. 

  447. 		"column-break-after"			=> array(null, "-webkit-column-break-after", null, null),
    448. 

  448. 		"column-break-before"			=> array(null, "-webkit-column-break-before", null, null),
    449. 

  449. 		"column-break-inside"			=> array(null, "-webkit-column-break-inside", null, null),
    450. 

  450. 		"column-count"					=> array("-moz-column-count", "-webkit-column-count", null, null),
    451. 

  451. 		"column-gap"					=> array("-moz-column-gap", "-webkit-column-gap", null, null),
    452. 

  452. 		"column-rule"					=> array("-moz-column-rule", "-webkit-column-rule", null, null),
    453. 

  453. 		"column-rule-color"				=> array("-moz-column-rule-color", "-webkit-column-rule-color", null, null),
    454. 

  454. 		"column-rule-style"				=> array("-moz-column-rule-style", "-webkit-column-rule-style", null, null),
    455. 

  455. 		"column-rule-width"				=> array("-moz-column-rule-width", "-webkit-column-rule-width", null, null),
    456. 

  456. 		"column-span"					=> array(null, "-webkit-column-span", null, null),
    457. 

  457. 		"column-width"					=> array("-moz-column-width", "-webkit-column-width", null, null),
    458. 

  458. 		"columns"						=> array(null, "-webkit-columns", null, null),
    459. 

  459. 		"filter"						=> array(null, null, null, "-ms-filter"),
    460. 

  460. 		"float-edge"					=> array("-moz-float-edge", null, null, null),
    461. 

  461. 		"font-feature-settings"			=> array("-moz-font-feature-settings", null, null, null),
    462. 

  462. 		"font-language-override"		=> array("-moz-font-language-override", null, null, null),
    463. 

  463. 		"font-size-delta"				=> array(null, "-webkit-font-size-delta", null, null),
    464. 

  464. 		"font-smoothing"				=> array(null, "-webkit-font-smoothing", null, null),
    465. 

  465. 		"force-broken-image-icon"		=> array("-moz-force-broken-image-icon", null, null, null),
    466. 

  466. 		"highlight"						=> array(null, "-webkit-highlight", null, null),
    467. 

  467. 		"hyphenate-character"			=> array(null, "-webkit-hyphenate-character", null, null),
    468. 

  468. 		"hyphenate-locale"				=> array(null, "-webkit-hyphenate-locale", null, null),
    469. 

  469. 		"hyphens"						=> array(null, "-webkit-hyphens", null, null),
    470. 

  470. 		"force-broken-image-icon"		=> array("-moz-image-region", null, null, null),
    471. 

  471. 		"ime-mode"						=> array(null, null, null, "-ms-ime-mode"),
    472. 

  472. 		"interpolation-mode"			=> array(null, null, null, "-ms-interpolation-mode"),
    473. 

  473. 		"layout-flow"					=> array(null, null, null, "-ms-layout-flow"),
    474. 

  474. 		"layout-grid"					=> array(null, null, null, "-ms-layout-grid"),
    475. 

  475. 		"layout-grid-char"				=> array(null, null, null, "-ms-layout-grid-char"),
    476. 

  476. 		"layout-grid-line"				=> array(null, null, null, "-ms-layout-grid-line"),
    477. 

  477. 		"layout-grid-mode"				=> array(null, null, null, "-ms-layout-grid-mode"),
    478. 

  478. 		"layout-grid-type"				=> array(null, null, null, "-ms-layout-grid-type"),
    479. 

  479. 		"line-break"					=> array(null, "-webkit-line-break", null, "-ms-line-break"),
    480. 

  480. 		"line-clamp"					=> array(null, "-webkit-line-clamp", null, null),
    481. 

  481. 		"line-grid-mode"				=> array(null, null, null, "-ms-line-grid-mode"),
    482. 

  482. 		"logical-height"				=> array(null, "-webkit-logical-height", null, null),
    483. 

  483. 		"logical-width"					=> array(null, "-webkit-logical-width", null, null),
    484. 

  484. 		"margin-after"					=> array(null, "-webkit-margin-after", null, null),
    485. 

  485. 		"margin-after-collapse"			=> array(null, "-webkit-margin-after-collapse", null, null),
    486. 

  486. 		"margin-before"					=> array(null, "-webkit-margin-before", null, null),
    487. 

  487. 		"margin-before-collapse"		=> array(null, "-webkit-margin-before-collapse", null, null),
    488. 

  488. 		"margin-bottom-collapse"		=> array(null, "-webkit-margin-bottom-collapse", null, null),
    489. 

  489. 		"margin-collapse"				=> array(null, "-webkit-margin-collapse", null, null),
    490. 

  490. 		"margin-end"					=> array("-moz-margin-end", "-webkit-margin-end", null, null),
    491. 

  491. 		"margin-start"					=> array("-moz-margin-start", "-webkit-margin-start", null, null),
    492. 

  492. 		"margin-top-collapse"			=> array(null, "-webkit-margin-top-collapse", null, null),
    493. 

  493. 		"marquee "						=> array(null, "-webkit-marquee", null, null),
    494. 

  494. 		"marquee-direction"				=> array(null, "-webkit-marquee-direction", null, null),
    495. 

  495. 		"marquee-increment"				=> array(null, "-webkit-marquee-increment", null, null),
    496. 

  496. 		"marquee-repetition"			=> array(null, "-webkit-marquee-repetition", null, null),
    497. 

  497. 		"marquee-speed"					=> array(null, "-webkit-marquee-speed", null, null),
    498. 

  498. 		"marquee-style"					=> array(null, "-webkit-marquee-style", null, null),
    499. 

  499. 		"mask"							=> array(null, "-webkit-mask", null, null),
    500. 

  500. 		"mask-attachment"				=> array(null, "-webkit-mask-attachment", null, null),
    501. 

  501. 		"mask-box-image"				=> array(null, "-webkit-mask-box-image", null, null),
    502. 

  502. 		"mask-clip"						=> array(null, "-webkit-mask-clip", null, null),
    503. 

  503. 		"mask-composite"				=> array(null, "-webkit-mask-composite", null, null),
    504. 

  504. 		"mask-image"					=> array(null, "-webkit-mask-image", null, null),
    505. 

  505. 		"mask-origin"					=> array(null, "-webkit-mask-origin", null, null),
    506. 

  506. 		"mask-position"					=> array(null, "-webkit-mask-position", null, null),
    507. 

  507. 		"mask-position-x"				=> array(null, "-webkit-mask-position-x", null, null),
    508. 

  508. 		"mask-position-y"				=> array(null, "-webkit-mask-position-y", null, null),
    509. 

  509. 		"mask-repeat"					=> array(null, "-webkit-mask-repeat", null, null),
    510. 

  510. 		"mask-repeat-x"					=> array(null, "-webkit-mask-repeat-x", null, null),
    511. 

  511. 		"mask-repeat-y"					=> array(null, "-webkit-mask-repeat-y", null, null),
    512. 

  512. 		"mask-size"						=> array(null, "-webkit-mask-size", null, null),
    513. 

  513. 		"match-nearest-mail-blockquote-color" => array(null, "-webkit-match-nearest-mail-blockquote-color", null, null),
    514. 

  514. 		"max-logical-height"			=> array(null, "-webkit-max-logical-height", null, null),
    515. 

  515. 		"max-logical-width"				=> array(null, "-webkit-max-logical-width", null, null),
    516. 

  516. 		"min-logical-height"			=> array(null, "-webkit-min-logical-height", null, null),
    517. 

  517. 		"min-logical-width"				=> array(null, "-webkit-min-logical-width", null, null),
    518. 

  518. 		"object-fit"					=> array(null, null, "-o-object-fit", null),
    519. 

  519. 		"object-position"				=> array(null, null, "-o-object-position", null),
    520. 

  520. 		"opacity"						=> array(array(__CLASS__, "_opacityTransformation")),
    521. 

  521. 		"outline-radius"				=> array("-moz-outline-radius", null, null, null),
    522. 

  522. 		"outline-bottom-left-radius"	=> array("-moz-outline-radius-bottomleft", null, null, null),
    523. 

  523. 		"outline-bottom-right-radius"	=> array("-moz-outline-radius-bottomright", null, null, null),
    524. 

  524. 		"outline-top-left-radius"		=> array("-moz-outline-radius-topleft", null, null, null),
    525. 

  525. 		"outline-top-right-radius"		=> array("-moz-outline-radius-topright", null, null, null),
    526. 

  526. 		"overflow-x"					=> array(null, null, null, "-ms-overflow-x"),
    527. 

  527. 		"overflow-y"					=> array(null, null, null, "-ms-overflow-y"),
    528. 

  528. 		"padding-after"					=> array(null, "-webkit-padding-after", null, null),
    529. 

  529. 		"padding-before"				=> array(null, "-webkit-padding-before", null, null),
    530. 

  530. 		"padding-end"					=> array("-moz-padding-end", "-webkit-padding-end", null, null),
    531. 

  531. 		"padding-start"					=> array("-moz-padding-start", "-webkit-padding-start", null, null),
    532. 

  532. 		"perspective"					=> array(null, "-webkit-perspective", null, null),
    533. 

  533. 		"perspective-origin"			=> array(null, "-webkit-perspective-origin", null, null),
    534. 

  534. 		"perspective-origin-x"			=> array(null, "-webkit-perspective-origin-x", null, null),
    535. 

  535. 		"perspective-origin-y"			=> array(null, "-webkit-perspective-origin-y", null, null),
    536. 

  536. 		"rtl-ordering"					=> array(null, "-webkit-rtl-ordering", null, null),
    537. 

  537. 		"scrollbar-3dlight-color"		=> array(null, null, null, "-ms-scrollbar-3dlight-color"),
    538. 

  538. 		"scrollbar-arrow-color"			=> array(null, null, null, "-ms-scrollbar-arrow-color"),
    539. 

  539. 		"scrollbar-base-color"			=> array(null, null, null, "-ms-scrollbar-base-color"),
    540. 

  540. 		"scrollbar-darkshadow-color"	=> array(null, null, null, "-ms-scrollbar-darkshadow-color"),
    541. 

  541. 		"scrollbar-face-color"			=> array(null, null, null, "-ms-scrollbar-face-color"),
    542. 

  542. 		"scrollbar-highlight-color"		=> array(null, null, null, "-ms-scrollbar-highlight-color"),
    543. 

  543. 		"scrollbar-shadow-color"		=> array(null, null, null, "-ms-scrollbar-shadow-color"),
    544. 

  544. 		"scrollbar-track-color"			=> array(null, null, null, "-ms-scrollbar-track-color"),
    545. 

  545. 		"stack-sizing"					=> array("-moz-stack-sizing", null, null, null),
    546. 

  546. 		"svg-shadow"					=> array(null, "-webkit-svg-shadow", null, null),
    547. 

  547. 		"tab-size"						=> array("-moz-tab-size", null, "-o-tab-size", null),
    548. 

  548. 		"table-baseline"				=> array(null, null, "-o-table-baseline", null),
    549. 

  549. 		"text-align-last"				=> array(null, null, null, "-ms-text-align-last"),
    550. 

  550. 		"text-autospace"				=> array(null, null, null, "-ms-text-autospace"),
    551. 

  551. 		"text-combine"					=> array(null, "-webkit-text-combine", null, null),
    552. 

  552. 		"text-decorations-in-effect"	=> array(null, "-webkit-text-decorations-in-effect", null, null),
    553. 

  553. 		"text-emphasis"					=> array(null, "-webkit-text-emphasis", null, null),
    554. 

  554. 		"text-emphasis-color"			=> array(null, "-webkit-text-emphasis-color", null, null),
    555. 

  555. 		"text-emphasis-position"		=> array(null, "-webkit-text-emphasis-position", null, null),
    556. 

  556. 		"text-emphasis-style"			=> array(null, "-webkit-text-emphasis-style", null, null),
    557. 

  557. 		"text-fill-color"				=> array(null, "-webkit-text-fill-color", null, null),
    558. 

  558. 		"text-justify"					=> array(null, null, null, "-ms-text-justify"),
    559. 

  559. 		"text-kashida-space"			=> array(null, null, null, "-ms-text-kashida-space"),
    560. 

  560. 		"text-overflow"					=> array(null, null, "-o-text-overflow", "-ms-text-overflow"),
    561. 

  561. 		"text-security"					=> array(null, "-webkit-text-security", null, null),
    562. 

  562. 		"text-size-adjust"				=> array(null, "-webkit-text-size-adjust", null, "-ms-text-size-adjust"),
    563. 

  563. 		"text-stroke"					=> array(null, "-webkit-text-stroke", null, null),
    564. 

  564. 		"text-stroke-color"				=> array(null, "-webkit-text-stroke-color", null, null),
    565. 

  565. 		"text-stroke-width"				=> array(null, "-webkit-text-stroke-width", null, null),
    566. 

  566. 		"text-underline-position"		=> array(null, null, null, "-ms-text-underline-position"),
    567. 

  567. 		"transform"						=> array("-moz-transform", "-webkit-transform", "-o-transform", null),
    568. 

  568. 		"transform-origin"				=> array("-moz-transform-origin", "-webkit-transform-origin", "-o-transform-origin", null),
    569. 

  569. 		"transform-origin-x"			=> array(null, "-webkit-transform-origin-x", null, null),
    570. 

  570. 		"transform-origin-y"			=> array(null, "-webkit-transform-origin-y", null, null),
    571. 

  571. 		"transform-origin-z"			=> array(null, "-webkit-transform-origin-z", null, null),
    572. 

  572. 		"transform-style"				=> array(null, "-webkit-transform-style", null, null),
    573. 

  573. 		"transition"					=> array("-moz-transition", "-webkit-transition", "-o-transition", null),
    574. 

  574. 		"transition-delay"				=> array("-moz-transition-delay", "-webkit-transition-delay", "-o-transition-delay", null),
    575. 

  575. 		"transition-duration"			=> array("-moz-transition-duration", "-webkit-transition-duration", "-o-transition-duration", null),
    576. 

  576. 		"transition-property"			=> array("-moz-transition-property", "-webkit-transition-property", "-o-transition-property", null),
    577. 

  577. 		"transition-timing-function"	=> array("-moz-transition-timing-function", "-webkit-transition-timing-function", "-o-transition-timing-function", null),
    578. 

  578. 		"user-drag"						=> array(null, "-webkit-user-drag", null, null),
    579. 

  579. 		"user-focus"					=> array("-moz-user-focus", null, null, null),
    580. 

  580. 		"user-input"					=> array("-moz-user-input", null, null, null),
    581. 

  581. 		"user-modify"					=> array("-moz-user-modify", "-webkit-user-modify", null, null),
    582. 

  582. 		"user-select"					=> array("-moz-user-select", "-webkit-user-select", null, null),
    583. 

  583. 		"white-space"					=> array(array(__CLASS__, "_whiteSpacePreWrapTransformation")),
    584. 

  584. 		"window-shadow"					=> array("-moz-window-shadow", null, null, null),
    585. 

  585. 		"word-break"					=> array(null, null, null, "-ms-word-break"),
    586. 

  586. 		"word-wrap"						=> array(null, null, null, "-ms-word-wrap"),
    587. 

  587. 		"writing-mode"					=> array(null, "-webkit-writing-mode", null, "-ms-writing-mode"),
    588. 

  588. 		"zoom"							=> array(null, null, null, "-ms-zoom")
    589. 

  589. 		);
    590. 

  590. 	/**
    591. 

  591. 	 * Minifies the Css.
    592. 

  592. 	 * 
    593. 

  593. 	 * @param string $css Css as string
    594. 

  594. 	 * @param array $config {@link http://code.google.com/p/cssmin/wiki/Configuration Configuration} as array [optional]
    595. 

  595. 	 * @return string Minified css
    596. 

  596. 	 */
    597. 

  597. 	public static function minify($css, $config = array())
    598. 

  598. 		{
    599. 

  599. 		$tokens = self::parse($css);
    600. 

  600. 		// Normalize configuration parameters
    601. 

  601. 		if (count($config) > 0)
    602. 

  602. 			{
    603. 

  603. 			$config = array_combine(array_map("trim", array_map("strtolower", array_keys($config))), array_values($config));
    604. 

  604. 			}
    605. 

  605. 		$config = array_merge(self::$defaultConfiguration, $config);
    606. 

  606. 		// Minification options/variables
    607. 

  607. 		$sRemoveEmptyBlocks				= $config["remove-empty-blocks"];
    608. 

  608. 		$sRemoveEmptyRulesets			= $config["remove-empty-rulesets"];
    609. 

  609. 		$sRemoveLastSemicolon			= $config["remove-last-semicolons"];
    610. 

  610. 		$sConvertCss3Properties 		= $config["convert-css3-properties"];
    611. 

  611. 		$sCss3Variables					= array();
    612. 

  612. 		$sConvertFontWeightValues		= $config["convert-font-weight-values"];
    613. 

  613. 		$rConvertFontWeightValues		= "/(^|\s)+(normal|bold)(\s|$)+/ie";
    614. 

  614. 		$rConvertFontWeightValuesR		= "'\\1'.self::\$fontWeightTransformations['\\2'].'\\3'";
    615. 

  615. 		$sConvertNamedColorValues		= $config["convert-named-color-values"];
    616. 

  616. 		$rConvertNamedColorValues 		= "/(^|\s)+(" . implode("|", array_keys(self::$colorTransformations)) . ")(\s|$)+/ie";
    617. 

  617. 		$rConvertNamedColorValuesR 		= "'\\1'.self::\$colorTransformations['\\2'].'\\3'";
    618. 

  618. 		$sConvertRgbColorValues			= $config["convert-rgb-color-values"];
    619. 

  619. 		$rConvertRgbColorValues			= "/rgb\s*\(\s*([0-9%]+)\s*,\s*([0-9%]+)\s*,\s*([0-9%]+)\s*\)/iS";
    620. 

  620. 		$sConvertHslColorValues			= $config["convert-rgb-color-values"];
    621. 

  621. 		$rConvertHslColorValues			= "/^hsl\s*\(\s*([0-9]+)\s*,\s*([0-9]+)\s*%\s*,\s*([0-9]+)\s*%\s*\)/iS";
    622. 

  622. 		$sCompressColorValues			= $config["compress-color-values"];
    623. 

  623. 		$rCompressColorValues			= "/\#([0-9a-f]{6})/iS";
    624. 

  624. 		$sCompressUnitValues			= $config["compress-unit-values"];
    625. 

  625. 		$rCompressUnitValues1			= "/(^| |-)0\.([0-9]+?)(0+)?(%|em|ex|px|in|cm|mm|pt|pc)/iS";
    626. 

  626. 		$rCompressUnitValues1R			= "\${1}.\${2}\${4}";
    627. 

  627. 		$rCompressUnitValues2			= "/(^| )-?(\.?)0(%|em|ex|px|in|cm|mm|pt|pc)/iS";
    628. 

  628. 		$rCompressUnitValues2R			= "\${1}0";
    629. 

  629. 		$sEmulateCcss3Variables			= $config["emulate-css3-variables"];
    630. 

  630. 		$sImportImports					= $config["import-imports"];
    631. 

  631. 		$sImportBasePath				= $config["import-base-path"];
    632. 

  632. 		$sImportRemoveInvalid			= $config["import-remove-invalid"];
    633. 

  633. 		$sImportStartBlockTokens		= array(self::T_AT_MEDIA_START, self::T_AT_FONT_FACE_START, self::T_AT_PAGE_START);
    634. 

  634. 		$sImportEndBlockTokens 			= array(self::T_AT_MEDIA_END, self::T_AT_FONT_FACE_END, self::T_AT_PAGE_END);
    635. 

  635. 		$sImportStatementTokens 		= array(self::T_AT_RULE, self::T_AT_IMPORT);
    636. 

  636. 		$sImportMediaEndToken			= array(self::T_AT_MEDIA_END);
    637. 

  637. 		$sImportImportedFiles			= array();
    638. 

  638. 		$sRemoveTokens					= array(self::T_NULL, self::T_COMMENT);
    639. 

  639. 		
    640. 

  640. 		/*
    641. 

  641. 		 * Import @import at-rules.
    642. 

  642. 		 * 
    643. 

  643. 		 * If the @import at-rule defines one or more media type the imported tokens wil get wrapped into T_AT_MEDIA_START 
    644. 

  644. 		 * and T_AT_MEDIA_END token. @font-face, @media and @page at-rule blocks and at-rule statements will get excluded
    645. 

  645. 		 * of the wraping.
    646. 

  646. 		 * 
    647. 

  647. 		 * Additional @media at-rule blocks with media types not defined in the @import at-rule have to get removed.
    648. 

  648. 		 * Browsers ignore @media at-rule block with media types incompatible to the media types defined in the @import
    649. 

  649. 		 * at-rule.
    650. 

  650. 		 * 
    651. 

  651. 		 * Also @import rules require special treatment. If a included @import at-rule has no media type or only the 
    652. 

  652. 		 * "all" media type defined the media type of the @import at-rule will get set to the ones defined in the parent
    653. 

  653. 		 * @import at-rule. Media types not defined in the parent @import at-rule will get filtered. @import at-rule
    654. 

  654. 		 * with not matching media types will get removed.
    655. 

  655. 		 * 
    656. 

  656. 		 * For compression if a @media at-rule block is defined the same media type as the @import at-rule the 
    657. 

  657. 		 * T_AT_MEDIA_START and T_AT_MEDIA_END tokens will get removed.
    658. 

  658. 		 */
    659. 

  659. 		if ($sImportImports && is_dir($sImportBasePath))
    660. 

  660. 			{
    661. 

  661. 			$importFile				= "";
    662. 

  662. 			$importTokens			= array();
    663. 

  663. 			$importMediaStartToken	= array(self::T_NULL);
    664. 

  664. 			$importBlocks			= array();
    665. 

  665. 			for($i = 0, $l = count($tokens); $i < $l; $i++)
    666. 

  666. 				{
    667. 

  667. 				if ($tokens[$i][0] == self::T_AT_IMPORT && file_exists($sImportBasePath . $tokens[$i][1]))
    668. 

  668. 					{
    669. 

  669. 					$importFile = $sImportBasePath . $tokens[$i][1];
    670. 

  670. 					// Import file already imported; remove this @import at-rule to prevent any recursion
    671. 

  671. 					if (in_array($importFile, $sImportImportedFiles))
    672. 

  672. 						{
    673. 

  673. 						$tokens[$i] = array(self::T_NULL);
    674. 

  674. 						}
    675. 

  675. 					else
    676. 

  676. 						{
    677. 

  677. 						$sImportImportedFiles[]	= $sImportBasePath . $tokens[$i][1];
    678. 

  678. 						$importTokens			= self::parse(file_get_contents($importFile));
    679. 

  679. 						// The @import at-rule has media types defined requires special handling
    680. 

  680. 						if (count($tokens[$i][2]) > 0 && !(count($tokens[$i][2]) == 1 && $tokens[$i][2][0] == "all"))
    681. 

  681. 							{
    682. 

  682. 							// Create T_AT_MEDIA_START token used for wrapping and array for blocks
    683. 

  683. 							$importMediaStartToken	= array(self::T_AT_MEDIA_START, $tokens[$i][2]);
    684. 

  684. 							$importBlocks			= array();
    685. 

  685. 							// Filter or set media types of @import at-rule or remove the @import at-rule if no media type is matching the parent @import at-rule
    686. 

  686. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    687. 

  687. 								{
    688. 

  688. 								if ($importTokens[$ii][0] == self::T_AT_IMPORT)
    689. 

  689. 									{
    690. 

  690. 									// @import at-rule defines no media type or only the "all" media type; set the media types to the one defined in the parent @import at-rule
    691. 

  691. 									if (count($importTokens[$ii][2]) == 0 || (count($importTokens[$ii][2]) == 1 && $importTokens[$ii][2][0]) == "all")
    692. 

  692. 										{
    693. 

  693. 										$importTokens[$ii][2] = $tokens[$i][2];
    694. 

  694. 										}
    695. 

  695. 									// @import at-rule defineds one or more media types; filter out media types not matching with the  parent @import at-rule
    696. 

  696. 									elseif (count($importTokens[$ii][2] > 0))
    697. 

  697. 										{
    698. 

  698. 										foreach ($importTokens[$ii][2] as $index => $mediaType)
    699. 

  699. 											{
    700. 

  700. 											if (!in_array($mediaType, $tokens[$i][2]))
    701. 

  701. 												{
    702. 

  702. 												unset($importTokens[$ii][2][$index]);
    703. 

  703. 												}
    704. 

  704. 											}
    705. 

  705. 										$importTokens[$ii][2] = array_values($importTokens[$ii][2]);
    706. 

  706. 										// If there are no media types left in the @import at-rule remove the @import at-rule
    707. 

  707. 										if (count($importTokens[$ii][2]) == 0)
    708. 

  708. 											{
    709. 

  709. 											$importTokens[$ii] = array(self::T_NULL);
    710. 

  710. 											}
    711. 

  711. 										}
    712. 

  712. 									}
    713. 

  713. 								}
    714. 

  714. 							// Remove media types of @media at-rule block not defined in the @import at-rule
    715. 

  715. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    716. 

  716. 								{
    717. 

  717. 								if ($importTokens[$ii][0] == self::T_AT_MEDIA_START)
    718. 

  718. 									{
    719. 

  719. 									foreach ($importTokens[$ii][1] as $index => $mediaType)
    720. 

  720. 										{
    721. 

  721. 										if (!in_array($mediaType, $tokens[$i][2]))
    722. 

  722. 											{
    723. 

  723. 											unset($importTokens[$ii][1][$index]);
    724. 

  724. 											}
    725. 

  725. 										$importTokens[$ii][1] = array_values($importTokens[$ii][1]);
    726. 

  726. 										}
    727. 

  727. 									}
    728. 

  728. 								}
    729. 

  729. 							// If no media types left of the @media at-rule block remove the complete block
    730. 

  730. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    731. 

  731. 								{
    732. 

  732. 								if ($importTokens[$ii][0] == self::T_AT_MEDIA_START)
    733. 

  733. 									{
    734. 

  734. 									if (count($importTokens[$ii][1]) == 0)
    735. 

  735. 										{
    736. 

  736. 										for ($iii = $ii; $iii < $ll; $iii++)
    737. 

  737. 											{
    738. 

  738. 											if ($importTokens[$iii][0] == self::T_AT_MEDIA_END)
    739. 

  739. 												{
    740. 

  740. 												break;
    741. 

  741. 												}
    742. 

  742. 											}
    743. 

  743. 										if ($importTokens[$iii][0] == self::T_AT_MEDIA_END)
    744. 

  744. 											{
    745. 

  745. 											array_splice($importTokens, $ii, $iii - $ii + 1, array());
    746. 

  746. 											$ll = count($importTokens);
    747. 

  747. 											}
    748. 

  748. 										}
    749. 

  749. 									}
    750. 

  750. 								}
    751. 

  751. 							// If the media types of the @media at-rule equals the media types defined in the @import at-rule remove the T_AT_MEDIA_START and T_AT_MEDIA_END token
    752. 

  752. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    753. 

  753. 								{
    754. 

  754. 								if ($importTokens[$ii][0] == self::T_AT_MEDIA_START && count(array_diff($tokens[$i][2], $importTokens[$ii][1])) == 0)
    755. 

  755. 									{
    756. 

  756. 									for ($iii = $ii; $iii < $ll; $iii++)
    757. 

  757. 										{
    758. 

  758. 										if ($importTokens[$iii][0] == self::T_AT_MEDIA_END)
    759. 

  759. 											{
    760. 

  760. 											break;
    761. 

  761. 											}
    762. 

  762. 										}
    763. 

  763. 									if ($importTokens[$iii][0] == self::T_AT_MEDIA_END)
    764. 

  764. 										{
    765. 

  765. 										unset($importTokens[$ii]);
    766. 

  766. 										unset($importTokens[$iii]);
    767. 

  767. 										$importTokens = array_values($importTokens);
    768. 

  768. 										$ll = count($importTokens);
    769. 

  769. 										}
    770. 

  770. 									}
    771. 

  771. 								}
    772. 

  772. 							// Extract @import at-rule tokens
    773. 

  773. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    774. 

  774. 								{
    775. 

  775. 								if ($importTokens[$ii][0] == self::T_AT_IMPORT)
    776. 

  776. 									{
    777. 

  777. 									$importBlocks = array_merge($importBlocks, array_splice($importTokens, $ii, 1, array()));
    778. 

  778. 									$ll = count($importTokens);
    779. 

  779. 									}
    780. 

  780. 								}
    781. 

  781. 							// Extract T_AT_RULE tokens
    782. 

  782. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    783. 

  783. 								{
    784. 

  784. 								if ($importTokens[$ii][0] == self::T_AT_RULE)
    785. 

  785. 									{
    786. 

  786. 									$importBlocks = array_merge($importBlocks, array_splice($importTokens, $ii, 1, array()));
    787. 

  787. 									$ll = count($importTokens);
    788. 

  788. 									}
    789. 

  789. 								}
    790. 

  790. 							// Extract the @font-face, @media and @page at-rule block
    791. 

  791. 							for($ii = 0, $ll = count($importTokens); $ii < $ll; $ii++)
    792. 

  792. 								{
    793. 

  793. 								if (in_array($importTokens[$ii][0], $sImportStartBlockTokens))
    794. 

  794. 									{
    795. 

  795. 									for ($iii = $ii; $iii < $ll; $iii++)
    796. 

  796. 										{
    797. 

  797. 										if (in_array($importTokens[$iii][0], $sImportEndBlockTokens))
    798. 

  798. 											{
    799. 

  799. 											break;
    800. 

  800. 											}
    801. 

  801. 										}
    802. 

  802. 									if (isset($importTokens[$iii][0]) && in_array($importTokens[$iii][0], $sImportEndBlockTokens))
    803. 

  803. 										{
    804. 

  804. 										$importBlocks = array_merge($importBlocks, array_splice($importTokens, $ii, $iii - $ii + 1, array()));
    805. 

  805. 										$ll = count($importTokens);
    806. 

  806. 										}
    807. 

  807. 									}
    808. 

  808. 								}
    809. 

  809. 							// Create the array with imported tokens for @import at-rules with defined media types
    810. 

  810. 							$importTokens = array_merge($importBlocks, array($importMediaStartToken), $importTokens, array($sImportMediaEndToken));
    811. 

  811. 							}
    812. 

  812. 						array_splice($tokens, $i, 1, $importTokens);
    813. 

  813. 						// Modify parameters of the for-loop
    814. 

  814. 						$i--;
    815. 

  815. 						$l = count($tokens);
    816. 

  816. 						}
    817. 

  817. 					}
    818. 

  818. 				}
    819. 

  819. 			}
    820. 

  820. 		/*
    821. 

  821. 		 * Remove tokens.
    822. 

  822. 		 * 
    823. 

  823. 		 * Remove tokens not required for minification. Defaults to T_NULL and T_COMMENT tokens.
    824. 

  824. 		 * 
    825. 

  825. 		 * If CSS Level 3 Variables (emulate-css3-variables) is disabled add T_AT_VARIABLES_START, T_VARIABLE_DECLARATION 
    826. 

  826. 		 * and T_AT_VARIABLES_END tokens.
    827. 

  827. 		 * 
    828. 

  828. 		 * If the configuration options "import-imports" and "import-remove-invalid" is enabled remove also remaining 
    829. 

  829. 		 * T_AT_IMPORT tokens.
    830. 

  830. 		 */
    831. 

  831. 		if (!$sEmulateCcss3Variables)
    832. 

  832. 			{
    833. 

  833. 			$sRemoveTokens = array_merge($sRemoveTokens, array(self::T_AT_VARIABLES_START, self::T_VARIABLE_DECLARATION, self::T_AT_VARIABLES_END));
    834. 

  834. 			}
    835. 

  835. 		if ($sImportImports && is_dir($sImportBasePath) && $sImportRemoveInvalid)
    836. 

  836. 			{
    837. 

  837. 			$sRemoveTokens[] = self::T_AT_IMPORT;
    838. 

  838. 			}
    839. 

  839. 		for($i = 0, $l = count($tokens); $i < $l; $i++)
    840. 

  840. 			{
    841. 

  841. 			if (in_array($tokens[$i][0], $sRemoveTokens))
    842. 

  842. 				{
    843. 

  843. 				unset($tokens[$i]);
    844. 

  844. 				}
    845. 

  845. 			}
    846. 

  846. 		$tokens = array_values($tokens);
    847. 

  847. 		/*
    848. 

  848. 		 * Remove empty rulesets
    849. 

  849. 		 * 
    850. 

  850. 		 * The ruleset is empty if it only contains the tokens T_RULESET_START, T_SELECTORS, T_DECLARATIONS_START, 
    851. 

  851. 		 * T_DECLARATIONS_END and T_RULESET_END
    852. 

  852. 		 */
    853. 

  853. 		if ($sRemoveEmptyRulesets)
    854. 

  854. 			{
    855. 

  855. 			for($i = 0, $l = count($tokens); $i < $l; $i++)
    856. 

  856. 				{
    857. 

  857. 				if ($tokens[$i][0] == self::T_RULESET_START && $tokens[$i+4][0] == self::T_RULESET_END)
    858. 

  858. 					{
    859. 

  859. 					unset($tokens[$i]); 	// T_RULESET_START
    860. 

  860. 					unset($tokens[++$i]);	// T_SELECTORS
    861. 

  861. 					unset($tokens[++$i]);	// T_DECLARATIONS_START
    862. 

  862. 					unset($tokens[++$i]);	// T_DECLARATIONS_END
    863. 

  863. 					unset($tokens[++$i]);	// T_RULESET_END
    864. 

  864. 					}
    865. 

  865. 				}
    866. 

  866. 			$tokens = array_values($tokens);
    867. 

  867. 			}
    868. 

  868. 		/*
    869. 

  869. 		 * Remove empty @media, @font-face or @page blocks
    870. 

  870. 		 */
    871. 

  871. 		if ($sRemoveEmptyBlocks)
    872. 

  872. 			{
    873. 

  873. 			for($i = 0, $l = count($tokens); $i < $l; $i++)
    874. 

  874. 				{
    875. 

  875. 				if (($tokens[$i][0] == self::T_AT_MEDIA_START && $tokens[$i+1][0] == self::T_AT_MEDIA_END)
    876. 

  876. 					|| ($tokens[$i][0] == self::T_AT_FONT_FACE_START && $tokens[$i+1][0] == self::T_AT_FONT_FACE_END)
    877. 

  877. 					|| ($tokens[$i][0] == self::T_AT_PAGE_START && $tokens[$i+1][0] == self::T_AT_PAGE_END))
    878. 

  878. 					{
    879. 

  879. 					unset($tokens[$i]);		// T_AT_MEDIA_START, T_AT_FONT_FACE_START, T_AT_PAGE_START
    880. 

  880. 					unset($tokens[++$i]);	// T_AT_MEDIA_END, T_AT_FONT_FACE_END, T_AT_PAGE_END
    881. 

  881. 					}
    882. 

  882. 				}
    883. 

  883. 			$tokens = array_values($tokens);
    884. 

  884. 			}
    885. 

  885. 		/*
    886. 

  886. 		 * Parse CSS Level 3 variables if the configuration option "emulate-css3-variables" is enabled. 
    887. 

  887. 		 */
    888. 

  888. 		if ($sEmulateCcss3Variables)
    889. 

  889. 			{
    890. 

  890. 			for($i = 0, $l = count($tokens); $i < $l; $i++)
    891. 

  891. 				{
    892. 

  892. 				// Found a variable declaration
    893. 

  893. 				if ($tokens[$i][0] == self::T_VARIABLE_DECLARATION)
    894. 

  894. 					{
    895. 

  895. 					for($i2 = 0, $l2 = count($tokens[$i][3]); $i2 < $l2; $i2++)
    896. 

  896. 						{
    897. 

  897. 						// Create the scope (all, screen, print, etc.) if not defined
    898. 

  898. 						if (!isset($sCss3Variables[$tokens[$i][3][$i2]]))
    899. 

  899. 							{
    900. 

  900. 							$sCss3Variables[$tokens[$i][3][$i2]] = array();
    901. 

  901. 							}
    902. 

  902. 						// Store variable and value
    903. 

  903. 						$sCss3Variables[$tokens[$i][3][$i2]][$tokens[$i][1]] = $tokens[$i][2];
    904. 

  904. 						}
    905. 

  905. 					}
    906. 

  906. 				}
    907. 

  907. 			}
    908. 

  908. 		/*
    909. 

  909. 		 * Conversion and compression
    910. 

  910. 		 */
    911. 

  911. 		for($i = 0, $l = count($tokens); $i < $l; $i++)
    912. 

  912. 			{
    913. 

  913. 			if ($tokens[$i][0] == self::T_DECLARATION)
    914. 

  914. 				{
    915. 

  915. 				/*
    916. 

  916. 				 * Search for CSS Level 3 variable statement if the configuration option "emulate-css3-variables" is
    917. 

  917. 				 * enabled. 
    918. 

  918. 				 * 
    919. 

  919. 				 * The variable value depends on the media type of the declaration. Primary the variable value
    920. 

  920. 				 * of the media type of the declaration will get used if available. If no variable value for the media 
    921. 

  921. 				 * type of the declaration is defined use the variable value definition for the media type "all". 
    922. 

  922. 				 */
    923. 

  923. 				if ($sEmulateCcss3Variables)
    924. 

  924. 					{
    925. 

  925. 					// Found a 'var' statement
    926. 

  926. 					if (strtolower(substr($tokens[$i][2], 0, 4)) == "var(" && substr($tokens[$i][2], -1, 1) == ")")
    927. 

  927. 						{
    928. 

  928. 						// Extract the variable name
    929. 

  929. 						$variable = trim(substr($tokens[$i][2], 4, -1));
    930. 

  930. 						// Append the media type "all" to the declaration
    931. 

  931. 						$tokens[$i][3][] = "all"; 
    932. 

  932. 						for($i2 = 0, $l2 = count($tokens[$i][3]); $i2 < $l2; $i2++)
    933. 

  933. 							{
    934. 

  934. 							// Found a variable value for the current media type scope
    935. 

  935. 							if (isset($sCss3Variables[$tokens[$i][3][$i2]][$variable]))
    936. 

  936. 								{
    937. 

  937. 								$tokens[$i][2] = $sCss3Variables[$tokens[$i][3][$i2]][$variable];
    938. 

  938. 								break;
    939. 

  939. 								}
    940. 

  940. 							}
    941. 

  941. 						}
    942. 

  942. 					}
    943. 

  943. 				/* 
    944. 

  944. 				 * Convert font-weight values if the configuration option "convert-font-weight-values" is enabled.
    945. 

  945. 				 *  
    946. 

  946. 				 * Will convert font weight values "normal" to "400" and "bold" to "700". Restricted to "font-weight"
    947. 

  947. 				 * and "font" declarations.
    948. 

  948. 				 */
    949. 

  949. 				if ($sConvertFontWeightValues && in_array(strtolower($tokens[$i][1]), array("font-weight", "font")) && preg_match($rConvertFontWeightValues, $tokens[$i][2]))
    950. 

  950. 					{
    951. 

  951. 					$tokens[$i][2] = preg_replace($rConvertFontWeightValues, $rConvertFontWeightValuesR, $tokens[$i][2]);
    952. 

  952. 					}
    953. 

  953. 				/**
    954. 

  954. 				 * Compress unit values if the configuration option "compress-unit-values" is enabled.
    955. 

  955. 				 * 
    956. 

  956. 				 * This will compress:
    957. 

  957. 				 * 	1. "0.5px" to ".5px"
    958. 

  958. 				 * 	2. "0px" to "0"
    959. 

  959. 				 * 	3. "0 0 0 0", "0 0 0" or "0 0" to "0"
    960. 

  960. 				 */
    961. 

  961. 				if ($sCompressUnitValues)
    962. 

  962. 					{
    963. 

  963. 					$tokens[$i][2] = preg_replace($rCompressUnitValues1, $rCompressUnitValues1R, $tokens[$i][2]);
    964. 

  964. 					$tokens[$i][2] = preg_replace($rCompressUnitValues2, $rCompressUnitValues2R, $tokens[$i][2]);
    965. 

  965. 					if ($tokens[$i][2] == "0 0 0 0" || $tokens[$i][2] == "0 0 0" || $tokens[$i][2] == "0 0") {$tokens[$i][2] = "0";}
    966. 

  966. 					}
    967. 

  967. 				/*
    968. 

  968. 				 * Convert RGB color values if the configuration option "convert-rgb-color-values" is enabled.
    969. 

  969. 				 * 
    970. 

  970. 				 * This will convert values like "rgb(200,60%,5)" to "#c89905".
    971. 

  971. 				 */
    972. 

  972. 				if ($sConvertRgbColorValues && preg_match($rConvertRgbColorValues, $tokens[$i][2], $m))
    973. 

  973. 					{
    974. 

  974. 					for ($i2 = 1, $l2 = count($m); $i2 < $l2; $i2++)
    975. 

  975. 						{
    976. 

  976. 						if (strpos("%", $m[$i2]) !== false)
    977. 

  977. 							{
    978. 

  978. 							$m[$i2] = substr($m[$i2], 0, -1);
    979. 

  979. 							$m[$i2] = (int) (256 * ($m[$i2] / 100));
    980. 

  980. 							}
    981. 

  981. 						$m[$i2] = str_pad(dechex($m[$i2]),  2, "0", STR_PAD_LEFT);
    982. 

  982. 						}
    983. 

  983. 					$tokens[$i][2] = str_replace($m[0], "#" . $m[1] . $m[2] . $m[3], $tokens[$i][2]);
    984. 

  984. 					}
    985. 

  985. 				/**
    986. 

  986. 				 * Convert HSL color values if the configuration option "convert-hsl-color-values" is enabled.
    987. 

  987. 				 * 
    988. 

  988. 				 * This will convert values like "hsl(232,36%,48%)" to "#4e5aa7".
    989. 

  989. 				 */
    990. 

  990. 				if ($sConvertHslColorValues && preg_match($rConvertHslColorValues, $tokens[$i][2], $m))
    991. 

  991. 					{
    992. 

  992. 					$tokens[$i][2] = str_replace($m[0], self::_hsl2hex($m[1], $m[2], $m[3]), $tokens[$i][2]);
    993. 

  993. 					}
    994. 

  994. 				/**
    995. 

  995. 				 * Compress color values if the configuration option "compress-color-values" is enabled.
    996. 

  996. 				 * 
    997. 

  997. 				 * This will convert color value like "#aabbcc" to their short notation "#abc". 
    998. 

  998. 				 */
    999. 

  999. 				if ($sCompressColorValues && preg_match($rCompressColorValues, $tokens[$i][2], $m))
    1000. 

  1000. 					{
    1001. 

  1001. 					$m[1] = strtolower($m[1]);
    1002. 

  1002. 					if (substr($m[1], 0, 1) == substr($m[1], 1, 1) && substr($m[1], 2, 1) == substr($m[1], 3, 1) && substr($m[1], 4, 1) == substr($m[1], 5, 1))
    1003. 

  1003. 						{
    1004. 

  1004. 						$tokens[$i][2] = str_replace($m[0], "#" . substr($m[1], 0, 1) . substr($m[1], 2, 1) . substr($m[1], 4, 1), $tokens[$i][2]);
    1005. 

  1005. 						}
    1006. 

  1006. 					}
    1007. 

  1007. 				/**
    1008. 

  1008. 				 * Convert named color values if the configuration option "convert-named-color-values" is enabled.
    1009. 

  1009. 				 * 
    1010. 

  1010. 				 * This will convert named color value like "black" to their hexadecimal notation "#000".
    1011. 

  1011. 				 */
    1012. 

  1012. 				if ($sConvertNamedColorValues && preg_match($rConvertNamedColorValues, $tokens[$i][2]))
    1013. 

  1013. 					{
    1014. 

  1014. 					$tokens[$i][2] = preg_replace($rConvertNamedColorValues, $rConvertNamedColorValuesR, $tokens[$i][2]);
    1015. 

  1015. 					}
    1016. 

  1016. 				}
    1017. 

  1017. 			}
    1018. 

  1018. 		/*
    1019. 

  1019. 		 * Create minified css
    1020. 

  1020. 		 */
    1021. 

  1021. 		$r = "";
    1022. 

  1022. 		for($i = 0, $l = count($tokens); $i < $l; $i++)
    1023. 

  1023. 			{
    1024. 

  1024. 			// T_AT_RULE
    1025. 

  1025. 			if ($tokens[$i][0] == self::T_AT_RULE)
    1026. 

  1026. 				{
    1027. 

  1027. 				$r .= "@" . $tokens[$i][1] . " " . $tokens[$i][2] . ";";
    1028. 

  1028. 				}
    1029. 

  1029. 			// T_AT_IMPORT
    1030. 

  1030. 			if ($tokens[$i][0] == self::T_AT_IMPORT)
    1031. 

  1031. 				{
    1032. 

  1032. 				$r .= "@import \"" . $tokens[$i][1] . "\" " . implode(",", $tokens[$i][2]) . ";";
    1033. 

  1033. 				}
    1034. 

  1034. 			// T_AT_MEDIA_START
    1035. 

  1035. 			elseif ($tokens[$i][0] == self::T_AT_MEDIA_START)
    1036. 

  1036. 				{
    1037. 

  1037. 				if (count($tokens[$i][1]) == 1 && $tokens[$i][1][0] == "all")
    1038. 

  1038. 					{
    1039. 

  1039. 					$r .= "@media{";
    1040. 

  1040. 					}
    1041. 

  1041. 				else
    1042. 

  1042. 					{
    1043. 

  1043. 					$r .= "@media " . implode(",", $tokens[$i][1]) . "{";
    1044. 

  1044. 					}
    1045. 

  1045. 				}
    1046. 

  1046. 			// T_AT_FONT_FACE_START
    1047. 

  1047. 			elseif ($tokens[$i][0] == self::T_AT_FONT_FACE_START)
    1048. 

  1048. 				{
    1049. 

  1049. 				$r .= "@font-face{";
    1050. 

  1050. 				}
    1051. 

  1051. 			// T_FONT_FACE_DECLARATION
    1052. 

  1052. 			elseif ($tokens[$i][0] == self::T_FONT_FACE_DECLARATION)
    1053. 

  1053. 				{
    1054. 

  1054. 				$r .= $tokens[$i][1] . ":" . $tokens[$i][2] . ($sRemoveLastSemicolon && $tokens[$i+1][0] == self::T_AT_FONT_FACE_END ? "" : ";");
    1055. 

  1055. 				}
    1056. 

  1056. 			// T_AT_PAGE_START
    1057. 

  1057. 			elseif ($tokens[$i][0] == self::T_AT_PAGE_START)
    1058. 

  1058. 				{
    1059. 

  1059. 				$r .= "@page{";
    1060. 

  1060. 				}
    1061. 

  1061. 			// T_PAGE_DECLARATION
    1062. 

  1062. 			elseif ($tokens[$i][0] == self::T_PAGE_DECLARATION)
    1063. 

  1063. 				{
    1064. 

  1064. 				$r .= $tokens[$i][1] . ":" . $tokens[$i][2] . ($sRemoveLastSemicolon && $tokens[$i+1][0] == self::T_AT_PAGE_END ? "" : ";");
    1065. 

  1065. 				}
    1066. 

  1066. 			// T_SELECTORS
    1067. 

  1067. 			elseif ($tokens[$i][0] == self::T_SELECTORS)
    1068. 

  1068. 				{
    1069. 

  1069. 				$r .= implode(",", $tokens[$i][1]);
    1070. 

  1070. 				}
    1071. 

  1071. 			// Start of declarations
    1072. 

  1072. 			elseif ($tokens[$i][0] == self::T_DECLARATIONS_START)
    1073. 

  1073. 				{
    1074. 

  1074. 				$r .= "{";
    1075. 

  1075. 				}
    1076. 

  1076. 			// T_DECLARATION
    1077. 

  1077. 			elseif ($tokens[$i][0] == self::T_DECLARATION)
    1078. 

  1078. 				{
    1079. 

  1079. 				// Convert CSS Level 3 and browser specific properties if "convert-css3-properties" is enabled
    1080. 

  1080. 				if ($sConvertCss3Properties && isset(self::$propertyTransformations[$tokens[$i][1]]))
    1081. 

  1081. 					{
    1082. 

  1082. 					foreach (self::$propertyTransformations[$tokens[$i][1]] as $value)
    1083. 

  1083. 						{
    1084. 

  1084. 						if (!is_null($value) && !is_array($value))
    1085. 

  1085. 							{
    1086. 

  1086. 							$r .= $value . ":" . $tokens[$i][2] . ";";
    1087. 

  1087. 							}
    1088. 

  1088. 						elseif (is_array($value) && is_callable($value))
    1089. 

  1089. 							{
    1090. 

  1090. 							$r .= call_user_func_array($value, array($tokens[$i][1], $tokens[$i][2]));
    1091. 

  1091. 							}
    1092. 

  1092. 						}
    1093. 

  1093. 					}
    1094. 

  1094. 				$r .= $tokens[$i][1] . ":" . $tokens[$i][2] . ($sRemoveLastSemicolon && (isset($tokens[$i+1]) &&$tokens[$i+1][0] == self::T_DECLARATIONS_END) ? "" : ";");
    1095. 

  1095. 				}
    1096. 

  1096. 			// T_DECLARATIONS_END, T_AT_MEDIA_END, T_AT_FONT_FACE_END, T_AT_PAGE_END
    1097. 

  1097. 			elseif (in_array($tokens[$i][0], array(self::T_DECLARATIONS_END, self::T_AT_MEDIA_END, self::T_AT_FONT_FACE_END, self::T_AT_PAGE_END)))
    1098. 

  1098. 				{
    1099. 

  1099. 				$r .= "}";
    1100. 

  1100. 				}
    1101. 

  1101. 			else
    1102. 

  1102. 				{
    1103. 

  1103. 				// Tokens with no output: T_NULL, T_COMMENT, T_RULESET_START, T_RULESET_END, T_AT_VARIABLES_START, T_VARIABLE_DECLARATION and T_AT_VARIABLES_END
    1104. 

  1104. 				}
    1105. 

  1105. 			}
    1106. 

  1106. 		return $r;
    1107. 

  1107. 		}
    1108. 

  1108. 	/**
    1109. 

  1109. 	 * Parses the Css and returns an array of tokens.
    1110. 

  1110. 	 * 
    1111. 

  1111. 	 * @param string $css
    1112. 

  1112. 	 * @return array Array of tokens
    1113. 

  1113. 	 */
    1114. 

  1114. 	public static function parse($css)
    1115. 

  1115. 		{
    1116. 

  1116. 		/*
    1117. 

  1117. 		 * Settings
    1118. 

  1118. 		 */
    1119. 

  1119. 		$sDefaultScope		= array("all");						// Default scope
    1120. 

  1120. 		$sDefaultTrim		= " \t\n\r\0\x0B";					// Default trim charlist
    1121. 

  1121. 		$sTokenChars		= "@{}();:\n\"'/*,";				// Tokens triggering parser processing
    1122. 

  1122. 		$sWhitespaceChars	= $sDefaultTrim;					// Whitespace chars
    1123. 

  1123. 		/*
    1124. 

  1124. 		 * Basic variables
    1125. 

  1125. 		 */
    1126. 

  1126. 		$c					= null;								// Current char
    1127. 

  1127. 		$p					= null;								// Previous char
    1128. 

  1128. 		$buffer 			= "";								// Buffer
    1129. 

  1129. 		$errors				= array();
    1130. 

  1130. 		$saveBuffer			= "";								// Saved buffer
    1131. 

  1131. 		$state				= array(self::T_DOCUMENT);			// State stack
    1132. 

  1132. 		$currentState		= self::T_DOCUMENT;					// Current state
    1133. 

  1133. 		$scope				= $sDefaultScope;					// Current scope
    1134. 

  1134. 		$stringChar			= null;								// Current string delimiter char
    1135. 

  1135. 		$isFilterWs			= true;								// Filter double whitespaces? Will get disabled for comments, selectors, etc.
    1136. 

  1136. 		$selectors			= array();							// Array with collected selectors
    1137. 

  1137. 		$importUrl			= "";								// @import Url
    1138. 

  1138. 		$line				= 1;								// Line
    1139. 

  1139. 		$r 					= array();							// Return value
    1140. 

  1140. 		/*
    1141. 

  1141. 		 * Prepare: normalize line endings
    1142. 

  1142. 		 */
    1143. 

  1143. 		$css = str_replace("\r\n", "\n", $css); // Windows to Unix line endings
    1144. 

  1144. 		$css = str_replace("\r", "\n", $css); // Mac to Unix line endings
    1145. 

  1145. 		/**
    1146. 

  1146. 		 * Parse:
    1147. 

  1147. 		 */
    1148. 

  1148. 		for ($i = 0, $l = strlen($css); $i < $l; $i++)
    1149. 

  1149. 			{
    1150. 

  1150. 			// Set the current Char
    1151. 

  1151. 			$c = substr($css, $i, 1);
    1152. 

  1152. 			// Increments line number on line endings
    1153. 

  1153. 			if ($c == "\n")
    1154. 

  1154. 				{
    1155. 

  1155. 				$line++;
    1156. 

  1156. 				}
    1157. 

  1157. 			// Whitespace handling
    1158. 

  1158. 			if ($isFilterWs && strpos($sWhitespaceChars, $c) !== false)
    1159. 

  1159. 				{
    1160. 

  1160. 				// Filter double whitespaces if the previous char is also a whitespace
    1161. 

  1161. 				if (strpos($sWhitespaceChars, $p) !== false)
    1162. 

  1162. 					{
    1163. 

  1163. 					continue;
    1164. 

  1164. 					}
    1165. 

  1165. 				// Normalize whitespace chars to space
    1166. 

  1166. 				elseif ($c != " " && strpos($sWhitespaceChars, $c) !== false)
    1167. 

  1167. 					{
    1168. 

  1168. 					$c = " ";
    1169. 

  1169. 					}
    1170. 

  1170. 				}
    1171. 

  1171. 			$buffer .= $c;
    1172. 

  1172. 			// Extended processing only if the current char is a token char
    1173. 

  1173. 			if (strpos($sTokenChars, $c) !== false)
    1174. 

  1174. 				{
    1175. 

  1175. 				// Set the current state
    1176. 

  1176. 				$currentState = $state[count($state) - 1];
    1177. 

  1177. 				/*
    1178. 

  1178. 				 * Start of comment
    1179. 

  1179. 				 * 
    1180. 

  1180. 				 * The current buffer will get saved and restored at the end of the comment because comments are 
    1181. 

  1181. 				 * allowed within many parsable elements.
    1182. 

  1182. 				 */
    1183. 

  1183. 				if ($p == "/" && $c == "*" && $currentState != self::T_STRING && $currentState != self::T_COMMENT)
    1184. 

  1184. 					{
    1185. 

  1185. 					$saveBuffer = substr($buffer, 0, -2); // Save the current buffer 
    1186. 

  1186. 					$buffer 	= $p . $c;
    1187. 

  1187. 					$isFilterWs	= false;
    1188. 

  1188. 					array_push($state, self::T_COMMENT);
    1189. 

  1189. 					}
    1190. 

  1190. 				/*
    1191. 

  1191. 				 * End of comment
    1192. 

  1192. 				 */
    1193. 

  1193. 				elseif ($p == "*" && $c == "/" && $currentState == self::T_COMMENT)
    1194. 

  1194. 					{
    1195. 

  1195. 					$r[]		= array(self::T_COMMENT, trim($buffer));
    1196. 

  1196. 					$buffer		= $saveBuffer; // Restore the buffer
    1197. 

  1197. 					$isFilterWs	= true;
    1198. 

  1198. 					array_pop($state);
    1199. 

  1199. 					}
    1200. 

  1200. 				/*
    1201. 

  1201. 				 * Start of string
    1202. 

  1202. 				 */
    1203. 

  1203. 				elseif (($c == "\"" || $c == "'") && $currentState != self::T_STRING && $currentState != self::T_COMMENT && $currentState != self::T_STRING_URL)
    1204. 

  1204. 					{
    1205. 

  1205. 					$stringChar	= $c;
    1206. 

  1206. 					$isFilterWs	= false;
    1207. 

  1207. 					array_push($state, self::T_STRING);
    1208. 

  1208. 					}
    1209. 

  1209. 				/**
    1210. 

  1210. 				 * Escaped LF in string => remove escape backslash a…
    1211.

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