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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 part of csslib.parser; |
| 6 |
| 7 // TODO(terry): Need to be consistent with tokens either they're ASCII tokens |
| 8 // e.g., ASTERISK or they're CSS e.g., PSEUDO, COMBINATOR_*. |
| 9 class TokenKind { |
| 10 // Common shared tokens used in TokenizerBase. |
| 11 static const int UNUSED = 0; // Unused place holder... |
| 12 static const int END_OF_FILE = 1; // EOF |
| 13 static const int LPAREN = 2; // ( |
| 14 static const int RPAREN = 3; // ) |
| 15 static const int LBRACK = 4; // [ |
| 16 static const int RBRACK = 5; // ] |
| 17 static const int LBRACE = 6; // { |
| 18 static const int RBRACE = 7; // } |
| 19 static const int DOT = 8; // . |
| 20 static const int SEMICOLON = 9; // ; |
| 21 |
| 22 // Unique tokens for CSS. |
| 23 static const int AT = 10; // @ |
| 24 static const int HASH = 11; // # |
| 25 static const int PLUS = 12; // + |
| 26 static const int GREATER = 13; // > |
| 27 static const int TILDE = 14; // ~ |
| 28 static const int ASTERISK = 15; // * |
| 29 static const int NAMESPACE = 16; // | |
| 30 static const int COLON = 17; // : |
| 31 static const int PRIVATE_NAME = 18; // _ prefix private class or id |
| 32 static const int COMMA = 19; // , |
| 33 static const int SPACE = 20; |
| 34 static const int TAB = 21; // /t |
| 35 static const int NEWLINE = 22; // /n |
| 36 static const int RETURN = 23; // /r |
| 37 static const int PERCENT = 24; // % |
| 38 static const int SINGLE_QUOTE = 25; // ' |
| 39 static const int DOUBLE_QUOTE = 26; // " |
| 40 static const int SLASH = 27; // / |
| 41 static const int EQUALS = 28; // = |
| 42 static const int CARET = 30; // ^ |
| 43 static const int DOLLAR = 31; // $ |
| 44 static const int LESS = 32; // < |
| 45 static const int BANG = 33; // ! |
| 46 static const int MINUS = 34; // - |
| 47 static const int BACKSLASH = 35; // \ |
| 48 static const int AMPERSAND = 36; // & |
| 49 |
| 50 // WARNING: Tokens from this point and above must have the corresponding ASCII |
| 51 // character in the TokenChar list at the bottom of this file. The |
| 52 // order of the above tokens should be the same order as TokenChar. |
| 53 |
| 54 /** [TokenKind] representing integer tokens. */ |
| 55 static const int INTEGER = 60; |
| 56 |
| 57 /** [TokenKind] representing hex integer tokens. */ |
| 58 static const int HEX_INTEGER = 61; |
| 59 |
| 60 /** [TokenKind] representing double tokens. */ |
| 61 static const int DOUBLE = 62; |
| 62 |
| 63 /** [TokenKind] representing whitespace tokens. */ |
| 64 static const int WHITESPACE = 63; |
| 65 |
| 66 /** [TokenKind] representing comment tokens. */ |
| 67 static const int COMMENT = 64; |
| 68 |
| 69 /** [TokenKind] representing error tokens. */ |
| 70 static const int ERROR = 65; |
| 71 |
| 72 /** [TokenKind] representing incomplete string tokens. */ |
| 73 static const int INCOMPLETE_STRING = 66; |
| 74 |
| 75 /** [TokenKind] representing incomplete comment tokens. */ |
| 76 static const int INCOMPLETE_COMMENT = 67; |
| 77 |
| 78 static const int VAR_DEFINITION = 400; // var-NNN-NNN |
| 79 static const int VAR_USAGE = 401; // var(NNN-NNN [,default]) |
| 80 |
| 81 // Synthesized Tokens (no character associated with TOKEN). |
| 82 static const int STRING = 500; |
| 83 static const int STRING_PART = 501; |
| 84 static const int NUMBER = 502; |
| 85 static const int HEX_NUMBER = 503; |
| 86 static const int HTML_COMMENT = 504; // <!-- |
| 87 static const int IMPORTANT = 505; // !important |
| 88 static const int CDATA_START = 506; // <![CDATA[ |
| 89 static const int CDATA_END = 507; // ]]> |
| 90 // U+uNumber[-U+uNumber] |
| 91 // uNumber = 0..10FFFF | ?[?]* |
| 92 static const int UNICODE_RANGE = 508; |
| 93 static const int HEX_RANGE = 509; // ? in the hex range |
| 94 static const int IDENTIFIER = 511; |
| 95 |
| 96 // Uniquely synthesized tokens for CSS. |
| 97 static const int SELECTOR_EXPRESSION = 512; |
| 98 static const int COMBINATOR_NONE = 513; |
| 99 static const int COMBINATOR_DESCENDANT = 514; // Space combinator |
| 100 static const int COMBINATOR_PLUS = 515; // + combinator |
| 101 static const int COMBINATOR_GREATER = 516; // > combinator |
| 102 static const int COMBINATOR_TILDE = 517; // ~ combinator |
| 103 |
| 104 static const int UNARY_OP_NONE = 518; // No unary operator present. |
| 105 |
| 106 // Attribute match types: |
| 107 static const int INCLUDES = 530; // '~=' |
| 108 static const int DASH_MATCH = 531; // '|=' |
| 109 static const int PREFIX_MATCH = 532; // '^=' |
| 110 static const int SUFFIX_MATCH = 533; // '$=' |
| 111 static const int SUBSTRING_MATCH = 534; // '*=' |
| 112 static const int NO_MATCH = 535; // No operator. |
| 113 |
| 114 // Unit types: |
| 115 static const int UNIT_EM = 600; |
| 116 static const int UNIT_EX = 601; |
| 117 static const int UNIT_LENGTH_PX = 602; |
| 118 static const int UNIT_LENGTH_CM = 603; |
| 119 static const int UNIT_LENGTH_MM = 604; |
| 120 static const int UNIT_LENGTH_IN = 605; |
| 121 static const int UNIT_LENGTH_PT = 606; |
| 122 static const int UNIT_LENGTH_PC = 607; |
| 123 static const int UNIT_ANGLE_DEG = 608; |
| 124 static const int UNIT_ANGLE_RAD = 609; |
| 125 static const int UNIT_ANGLE_GRAD = 610; |
| 126 static const int UNIT_ANGLE_TURN = 611; |
| 127 static const int UNIT_TIME_MS = 612; |
| 128 static const int UNIT_TIME_S = 613; |
| 129 static const int UNIT_FREQ_HZ = 614; |
| 130 static const int UNIT_FREQ_KHZ = 615; |
| 131 static const int UNIT_PERCENT = 616; |
| 132 static const int UNIT_FRACTION = 617; |
| 133 static const int UNIT_RESOLUTION_DPI = 618; |
| 134 static const int UNIT_RESOLUTION_DPCM = 619; |
| 135 static const int UNIT_RESOLUTION_DPPX = 620; |
| 136 static const int UNIT_CH = 621; // Measure of "0" U+0030 glyph. |
| 137 static const int UNIT_REM = 622; // computed value ‘font-size’ on root elem. |
| 138 static const int UNIT_VIEWPORT_VW = 623; |
| 139 static const int UNIT_VIEWPORT_VH = 624; |
| 140 static const int UNIT_VIEWPORT_VMIN = 625; |
| 141 static const int UNIT_VIEWPORT_VMAX = 626; |
| 142 |
| 143 // Directives (@nnnn) |
| 144 static const int DIRECTIVE_NONE = 640; |
| 145 static const int DIRECTIVE_IMPORT = 641; |
| 146 static const int DIRECTIVE_MEDIA = 642; |
| 147 static const int DIRECTIVE_PAGE = 643; |
| 148 static const int DIRECTIVE_CHARSET = 644; |
| 149 static const int DIRECTIVE_STYLET = 645; |
| 150 static const int DIRECTIVE_KEYFRAMES = 646; |
| 151 static const int DIRECTIVE_WEB_KIT_KEYFRAMES = 647; |
| 152 static const int DIRECTIVE_MOZ_KEYFRAMES = 648; |
| 153 static const int DIRECTIVE_MS_KEYFRAMES = 649; |
| 154 static const int DIRECTIVE_O_KEYFRAMES = 650; |
| 155 static const int DIRECTIVE_FONTFACE = 651; |
| 156 static const int DIRECTIVE_NAMESPACE = 652; |
| 157 static const int DIRECTIVE_HOST = 653; |
| 158 static const int DIRECTIVE_MIXIN = 654; |
| 159 static const int DIRECTIVE_INCLUDE = 655; |
| 160 static const int DIRECTIVE_CONTENT = 656; |
| 161 static const int DIRECTIVE_EXTEND = 657; |
| 162 |
| 163 // Media query operators |
| 164 static const int MEDIA_OP_ONLY = 665; // Unary. |
| 165 static const int MEDIA_OP_NOT = 666; // Unary. |
| 166 static const int MEDIA_OP_AND = 667; // Binary. |
| 167 |
| 168 // Directives inside of a @page (margin sym). |
| 169 static const int MARGIN_DIRECTIVE_TOPLEFTCORNER = 670; |
| 170 static const int MARGIN_DIRECTIVE_TOPLEFT = 671; |
| 171 static const int MARGIN_DIRECTIVE_TOPCENTER = 672; |
| 172 static const int MARGIN_DIRECTIVE_TOPRIGHT = 673; |
| 173 static const int MARGIN_DIRECTIVE_TOPRIGHTCORNER = 674; |
| 174 static const int MARGIN_DIRECTIVE_BOTTOMLEFTCORNER = 675; |
| 175 static const int MARGIN_DIRECTIVE_BOTTOMLEFT = 676; |
| 176 static const int MARGIN_DIRECTIVE_BOTTOMCENTER = 677; |
| 177 static const int MARGIN_DIRECTIVE_BOTTOMRIGHT = 678; |
| 178 static const int MARGIN_DIRECTIVE_BOTTOMRIGHTCORNER = 679; |
| 179 static const int MARGIN_DIRECTIVE_LEFTTOP = 680; |
| 180 static const int MARGIN_DIRECTIVE_LEFTMIDDLE = 681; |
| 181 static const int MARGIN_DIRECTIVE_LEFTBOTTOM = 682; |
| 182 static const int MARGIN_DIRECTIVE_RIGHTTOP = 683; |
| 183 static const int MARGIN_DIRECTIVE_RIGHTMIDDLE = 684; |
| 184 static const int MARGIN_DIRECTIVE_RIGHTBOTTOM = 685; |
| 185 |
| 186 // Simple selector type. |
| 187 static const int CLASS_NAME = 700; // .class |
| 188 static const int ELEMENT_NAME = 701; // tagName |
| 189 static const int HASH_NAME = 702; // #elementId |
| 190 static const int ATTRIBUTE_NAME = 703; // [attrib] |
| 191 static const int PSEUDO_ELEMENT_NAME = 704; // ::pseudoElement |
| 192 static const int PSEUDO_CLASS_NAME = 705; // :pseudoClass |
| 193 static const int NEGATION = 706; // NOT |
| 194 |
| 195 static const List<Map<int, String>> _DIRECTIVES = const [ |
| 196 const {'type': TokenKind.DIRECTIVE_IMPORT, 'value' : 'import'}, |
| 197 const {'type': TokenKind.DIRECTIVE_MEDIA, 'value' : 'media'}, |
| 198 const {'type': TokenKind.DIRECTIVE_PAGE, 'value' : 'page'}, |
| 199 const {'type': TokenKind.DIRECTIVE_CHARSET, 'value' : 'charset'}, |
| 200 const {'type': TokenKind.DIRECTIVE_STYLET, 'value' : 'stylet'}, |
| 201 const {'type': TokenKind.DIRECTIVE_KEYFRAMES, 'value' : 'keyframes'}, |
| 202 const {'type': TokenKind.DIRECTIVE_WEB_KIT_KEYFRAMES, |
| 203 'value' : '-webkit-keyframes'}, |
| 204 const {'type': TokenKind.DIRECTIVE_MOZ_KEYFRAMES, |
| 205 'value' : '-moz-keyframes'}, |
| 206 const {'type': TokenKind.DIRECTIVE_MS_KEYFRAMES, 'value' : '-ms-keyframes'}, |
| 207 const {'type': TokenKind.DIRECTIVE_O_KEYFRAMES, 'value' : '-o-keyframes'}, |
| 208 const {'type': TokenKind.DIRECTIVE_FONTFACE, 'value' : 'font-face'}, |
| 209 const {'type': TokenKind.DIRECTIVE_NAMESPACE, 'value' : 'namespace'}, |
| 210 const {'type': TokenKind.DIRECTIVE_HOST, 'value' : 'host'}, |
| 211 const {'type': TokenKind.DIRECTIVE_MIXIN, 'value' : 'mixin'}, |
| 212 const {'type': TokenKind.DIRECTIVE_INCLUDE, 'value' : 'include'}, |
| 213 const {'type': TokenKind.DIRECTIVE_CONTENT, 'value' : 'content'}, |
| 214 const {'type': TokenKind.DIRECTIVE_EXTEND, 'value' : 'extend'}, |
| 215 ]; |
| 216 |
| 217 static const List<Map<int, String>> MEDIA_OPERATORS = const [ |
| 218 const {'type': TokenKind.MEDIA_OP_ONLY, 'value' : 'only'}, |
| 219 const {'type': TokenKind.MEDIA_OP_NOT, 'value' : 'not'}, |
| 220 const {'type': TokenKind.MEDIA_OP_AND, 'value' : 'and'}, |
| 221 ]; |
| 222 |
| 223 static const List<Map<int, String>> MARGIN_DIRECTIVES = const [ |
| 224 const {'type': TokenKind.MARGIN_DIRECTIVE_TOPLEFTCORNER, |
| 225 'value' : 'top-left-corner'}, |
| 226 const {'type': TokenKind.MARGIN_DIRECTIVE_TOPLEFT, |
| 227 'value' : 'top-left'}, |
| 228 const {'type': TokenKind.MARGIN_DIRECTIVE_TOPCENTER, |
| 229 'value' : 'top-center'}, |
| 230 const {'type': TokenKind.MARGIN_DIRECTIVE_TOPRIGHT, |
| 231 'value' : 'top-right'}, |
| 232 const {'type': TokenKind.MARGIN_DIRECTIVE_TOPRIGHTCORNER, |
| 233 'value' : 'top-right-corner'}, |
| 234 const {'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMLEFTCORNER, |
| 235 'value' : 'bottom-left-corner'}, |
| 236 const {'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMLEFT, |
| 237 'value' : 'bottom-left'}, |
| 238 const {'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMCENTER, |
| 239 'value' : 'bottom-center'}, |
| 240 const {'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMRIGHT, |
| 241 'value' : 'bottom-right'}, |
| 242 const {'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMRIGHTCORNER, |
| 243 'value' : 'bottom-right-corner'}, |
| 244 const {'type': TokenKind.MARGIN_DIRECTIVE_LEFTTOP, |
| 245 'value' : 'left-top'}, |
| 246 const {'type': TokenKind.MARGIN_DIRECTIVE_LEFTMIDDLE, |
| 247 'value' : 'left-middle'}, |
| 248 const {'type': TokenKind.MARGIN_DIRECTIVE_LEFTBOTTOM, |
| 249 'value' : 'right-bottom'}, |
| 250 const {'type': TokenKind.MARGIN_DIRECTIVE_RIGHTTOP, |
| 251 'value' : 'right-top'}, |
| 252 const {'type': TokenKind.MARGIN_DIRECTIVE_RIGHTMIDDLE, |
| 253 'value' : 'right-middle'}, |
| 254 const {'type': TokenKind.MARGIN_DIRECTIVE_RIGHTBOTTOM, |
| 255 'value' : 'right-bottom'}, |
| 256 ]; |
| 257 |
| 258 static const List<Map> _UNITS = const [ |
| 259 const {'unit': TokenKind.UNIT_EM, 'value' : 'em'}, |
| 260 const {'unit': TokenKind.UNIT_EX, 'value' : 'ex'}, |
| 261 const {'unit': TokenKind.UNIT_LENGTH_PX, 'value' : 'px'}, |
| 262 const {'unit': TokenKind.UNIT_LENGTH_CM, 'value' : 'cm'}, |
| 263 const {'unit': TokenKind.UNIT_LENGTH_MM, 'value' : 'mm'}, |
| 264 const {'unit': TokenKind.UNIT_LENGTH_IN, 'value' : 'in'}, |
| 265 const {'unit': TokenKind.UNIT_LENGTH_PT, 'value' : 'pt'}, |
| 266 const {'unit': TokenKind.UNIT_LENGTH_PC, 'value' : 'pc'}, |
| 267 const {'unit': TokenKind.UNIT_ANGLE_DEG, 'value' : 'deg'}, |
| 268 const {'unit': TokenKind.UNIT_ANGLE_RAD, 'value' : 'rad'}, |
| 269 const {'unit': TokenKind.UNIT_ANGLE_GRAD, 'value' : 'grad'}, |
| 270 const {'unit': TokenKind.UNIT_ANGLE_TURN, 'value' : 'turn'}, |
| 271 const {'unit': TokenKind.UNIT_TIME_MS, 'value' : 'ms'}, |
| 272 const {'unit': TokenKind.UNIT_TIME_S, 'value' : 's'}, |
| 273 const {'unit': TokenKind.UNIT_FREQ_HZ, 'value' : 'hz'}, |
| 274 const {'unit': TokenKind.UNIT_FREQ_KHZ, 'value' : 'khz'}, |
| 275 const {'unit': TokenKind.UNIT_FRACTION, 'value' : 'fr'}, |
| 276 const {'unit': TokenKind.UNIT_RESOLUTION_DPI, 'value' : 'dpi'}, |
| 277 const {'unit': TokenKind.UNIT_RESOLUTION_DPCM, 'value' : 'dpcm'}, |
| 278 const {'unit': TokenKind.UNIT_RESOLUTION_DPPX, 'value' : 'dppx'}, |
| 279 const {'unit': TokenKind.UNIT_CH, 'value' : 'ch'}, |
| 280 const {'unit': TokenKind.UNIT_REM, 'value' : 'rem'}, |
| 281 const {'unit': TokenKind.UNIT_VIEWPORT_VW, 'value' : 'vw'}, |
| 282 const {'unit': TokenKind.UNIT_VIEWPORT_VH, 'value' : 'vh'}, |
| 283 const {'unit': TokenKind.UNIT_VIEWPORT_VMIN, 'value' : 'vmin'}, |
| 284 const {'unit': TokenKind.UNIT_VIEWPORT_VMAX, 'value' : 'vmax'}, |
| 285 ]; |
| 286 |
| 287 // Some more constants: |
| 288 static const int ASCII_UPPER_A = 65; // ASCII value for uppercase A |
| 289 static const int ASCII_UPPER_Z = 90; // ASCII value for uppercase Z |
| 290 |
| 291 // Extended color keywords: |
| 292 static const List<Map> _EXTENDED_COLOR_NAMES = const [ |
| 293 const {'name' : 'aliceblue', 'value' : 0xF08FF}, |
| 294 const {'name' : 'antiquewhite', 'value' : 0xFAEBD7}, |
| 295 const {'name' : 'aqua', 'value' : 0x00FFFF}, |
| 296 const {'name' : 'aquamarine', 'value' : 0x7FFFD4}, |
| 297 const {'name' : 'azure', 'value' : 0xF0FFFF}, |
| 298 const {'name' : 'beige', 'value' : 0xF5F5DC}, |
| 299 const {'name' : 'bisque', 'value' : 0xFFE4C4}, |
| 300 const {'name' : 'black', 'value' : 0x000000}, |
| 301 const {'name' : 'blanchedalmond', 'value' : 0xFFEBCD}, |
| 302 const {'name' : 'blue', 'value' : 0x0000FF}, |
| 303 const {'name' : 'blueviolet', 'value' : 0x8A2BE2}, |
| 304 const {'name' : 'brown', 'value' : 0xA52A2A}, |
| 305 const {'name' : 'burlywood', 'value' : 0xDEB887}, |
| 306 const {'name' : 'cadetblue', 'value' : 0x5F9EA0}, |
| 307 const {'name' : 'chartreuse', 'value' : 0x7FFF00}, |
| 308 const {'name' : 'chocolate', 'value' : 0xD2691E}, |
| 309 const {'name' : 'coral', 'value' : 0xFF7F50}, |
| 310 const {'name' : 'cornflowerblue', 'value' : 0x6495ED}, |
| 311 const {'name' : 'cornsilk', 'value' : 0xFFF8DC}, |
| 312 const {'name' : 'crimson', 'value' : 0xDC143C}, |
| 313 const {'name' : 'cyan', 'value' : 0x00FFFF}, |
| 314 const {'name' : 'darkblue', 'value' : 0x00008B}, |
| 315 const {'name' : 'darkcyan', 'value' : 0x008B8B}, |
| 316 const {'name' : 'darkgoldenrod', 'value' : 0xB8860B}, |
| 317 const {'name' : 'darkgray', 'value' : 0xA9A9A9}, |
| 318 const {'name' : 'darkgreen', 'value' : 0x006400}, |
| 319 const {'name' : 'darkgrey', 'value' : 0xA9A9A9}, |
| 320 const {'name' : 'darkkhaki', 'value' : 0xBDB76B}, |
| 321 const {'name' : 'darkmagenta', 'value' : 0x8B008B}, |
| 322 const {'name' : 'darkolivegreen', 'value' : 0x556B2F}, |
| 323 const {'name' : 'darkorange', 'value' : 0xFF8C00}, |
| 324 const {'name' : 'darkorchid', 'value' : 0x9932CC}, |
| 325 const {'name' : 'darkred', 'value' : 0x8B0000}, |
| 326 const {'name' : 'darksalmon', 'value' : 0xE9967A}, |
| 327 const {'name' : 'darkseagreen', 'value' : 0x8FBC8F}, |
| 328 const {'name' : 'darkslateblue', 'value' : 0x483D8B}, |
| 329 const {'name' : 'darkslategray', 'value' : 0x2F4F4F}, |
| 330 const {'name' : 'darkslategrey', 'value' : 0x2F4F4F}, |
| 331 const {'name' : 'darkturquoise', 'value' : 0x00CED1}, |
| 332 const {'name' : 'darkviolet', 'value' : 0x9400D3}, |
| 333 const {'name' : 'deeppink', 'value' : 0xFF1493}, |
| 334 const {'name' : 'deepskyblue', 'value' : 0x00BFFF}, |
| 335 const {'name' : 'dimgray', 'value' : 0x696969}, |
| 336 const {'name' : 'dimgrey', 'value' : 0x696969}, |
| 337 const {'name' : 'dodgerblue', 'value' : 0x1E90FF}, |
| 338 const {'name' : 'firebrick', 'value' : 0xB22222}, |
| 339 const {'name' : 'floralwhite', 'value' : 0xFFFAF0}, |
| 340 const {'name' : 'forestgreen', 'value' : 0x228B22}, |
| 341 const {'name' : 'fuchsia', 'value' : 0xFF00FF}, |
| 342 const {'name' : 'gainsboro', 'value' : 0xDCDCDC}, |
| 343 const {'name' : 'ghostwhite', 'value' : 0xF8F8FF}, |
| 344 const {'name' : 'gold', 'value' : 0xFFD700}, |
| 345 const {'name' : 'goldenrod', 'value' : 0xDAA520}, |
| 346 const {'name' : 'gray', 'value' : 0x808080}, |
| 347 const {'name' : 'green', 'value' : 0x008000}, |
| 348 const {'name' : 'greenyellow', 'value' : 0xADFF2F}, |
| 349 const {'name' : 'grey', 'value' : 0x808080}, |
| 350 const {'name' : 'honeydew', 'value' : 0xF0FFF0}, |
| 351 const {'name' : 'hotpink', 'value' : 0xFF69B4}, |
| 352 const {'name' : 'indianred', 'value' : 0xCD5C5C}, |
| 353 const {'name' : 'indigo', 'value' : 0x4B0082}, |
| 354 const {'name' : 'ivory', 'value' : 0xFFFFF0}, |
| 355 const {'name' : 'khaki', 'value' : 0xF0E68C}, |
| 356 const {'name' : 'lavender', 'value' : 0xE6E6FA}, |
| 357 const {'name' : 'lavenderblush', 'value' : 0xFFF0F5}, |
| 358 const {'name' : 'lawngreen', 'value' : 0x7CFC00}, |
| 359 const {'name' : 'lemonchiffon', 'value' : 0xFFFACD}, |
| 360 const {'name' : 'lightblue', 'value' : 0xADD8E6}, |
| 361 const {'name' : 'lightcoral', 'value' : 0xF08080}, |
| 362 const {'name' : 'lightcyan', 'value' : 0xE0FFFF}, |
| 363 const {'name' : 'lightgoldenrodyellow', 'value' : 0xFAFAD2}, |
| 364 const {'name' : 'lightgray', 'value' : 0xD3D3D3}, |
| 365 const {'name' : 'lightgreen', 'value' : 0x90EE90}, |
| 366 const {'name' : 'lightgrey', 'value' : 0xD3D3D3}, |
| 367 const {'name' : 'lightpink', 'value' : 0xFFB6C1}, |
| 368 const {'name' : 'lightsalmon', 'value' : 0xFFA07A}, |
| 369 const {'name' : 'lightseagreen', 'value' : 0x20B2AA}, |
| 370 const {'name' : 'lightskyblue', 'value' : 0x87CEFA}, |
| 371 const {'name' : 'lightslategray', 'value' : 0x778899}, |
| 372 const {'name' : 'lightslategrey', 'value' : 0x778899}, |
| 373 const {'name' : 'lightsteelblue', 'value' : 0xB0C4DE}, |
| 374 const {'name' : 'lightyellow', 'value' : 0xFFFFE0}, |
| 375 const {'name' : 'lime', 'value' : 0x00FF00}, |
| 376 const {'name' : 'limegreen', 'value' : 0x32CD32}, |
| 377 const {'name' : 'linen', 'value' : 0xFAF0E6}, |
| 378 const {'name' : 'magenta', 'value' : 0xFF00FF}, |
| 379 const {'name' : 'maroon', 'value' : 0x800000}, |
| 380 const {'name' : 'mediumaquamarine', 'value' : 0x66CDAA}, |
| 381 const {'name' : 'mediumblue', 'value' : 0x0000CD}, |
| 382 const {'name' : 'mediumorchid', 'value' : 0xBA55D3}, |
| 383 const {'name' : 'mediumpurple', 'value' : 0x9370DB}, |
| 384 const {'name' : 'mediumseagreen', 'value' : 0x3CB371}, |
| 385 const {'name' : 'mediumslateblue', 'value' : 0x7B68EE}, |
| 386 const {'name' : 'mediumspringgreen', 'value' : 0x00FA9A}, |
| 387 const {'name' : 'mediumturquoise', 'value' : 0x48D1CC}, |
| 388 const {'name' : 'mediumvioletred', 'value' : 0xC71585}, |
| 389 const {'name' : 'midnightblue', 'value' : 0x191970}, |
| 390 const {'name' : 'mintcream', 'value' : 0xF5FFFA}, |
| 391 const {'name' : 'mistyrose', 'value' : 0xFFE4E1}, |
| 392 const {'name' : 'moccasin', 'value' : 0xFFE4B5}, |
| 393 const {'name' : 'navajowhite', 'value' : 0xFFDEAD}, |
| 394 const {'name' : 'navy', 'value' : 0x000080}, |
| 395 const {'name' : 'oldlace', 'value' : 0xFDF5E6}, |
| 396 const {'name' : 'olive', 'value' : 0x808000}, |
| 397 const {'name' : 'olivedrab', 'value' : 0x6B8E23}, |
| 398 const {'name' : 'orange', 'value' : 0xFFA500}, |
| 399 const {'name' : 'orangered', 'value' : 0xFF4500}, |
| 400 const {'name' : 'orchid', 'value' : 0xDA70D6}, |
| 401 const {'name' : 'palegoldenrod', 'value' : 0xEEE8AA}, |
| 402 const {'name' : 'palegreen', 'value' : 0x98FB98}, |
| 403 const {'name' : 'paleturquoise', 'value' : 0xAFEEEE}, |
| 404 const {'name' : 'palevioletred', 'value' : 0xDB7093}, |
| 405 const {'name' : 'papayawhip', 'value' : 0xFFEFD5}, |
| 406 const {'name' : 'peachpuff', 'value' : 0xFFDAB9}, |
| 407 const {'name' : 'peru', 'value' : 0xCD853F}, |
| 408 const {'name' : 'pink', 'value' : 0xFFC0CB}, |
| 409 const {'name' : 'plum', 'value' : 0xDDA0DD}, |
| 410 const {'name' : 'powderblue', 'value' : 0xB0E0E6}, |
| 411 const {'name' : 'purple', 'value' : 0x800080}, |
| 412 const {'name' : 'red', 'value' : 0xFF0000}, |
| 413 const {'name' : 'rosybrown', 'value' : 0xBC8F8F}, |
| 414 const {'name' : 'royalblue', 'value' : 0x4169E1}, |
| 415 const {'name' : 'saddlebrown', 'value' : 0x8B4513}, |
| 416 const {'name' : 'salmon', 'value' : 0xFA8072}, |
| 417 const {'name' : 'sandybrown', 'value' : 0xF4A460}, |
| 418 const {'name' : 'seagreen', 'value' : 0x2E8B57}, |
| 419 const {'name' : 'seashell', 'value' : 0xFFF5EE}, |
| 420 const {'name' : 'sienna', 'value' : 0xA0522D}, |
| 421 const {'name' : 'silver', 'value' : 0xC0C0C0}, |
| 422 const {'name' : 'skyblue', 'value' : 0x87CEEB}, |
| 423 const {'name' : 'slateblue', 'value' : 0x6A5ACD}, |
| 424 const {'name' : 'slategray', 'value' : 0x708090}, |
| 425 const {'name' : 'slategrey', 'value' : 0x708090}, |
| 426 const {'name' : 'snow', 'value' : 0xFFFAFA}, |
| 427 const {'name' : 'springgreen', 'value' : 0x00FF7F}, |
| 428 const {'name' : 'steelblue', 'value' : 0x4682B4}, |
| 429 const {'name' : 'tan', 'value' : 0xD2B48C}, |
| 430 const {'name' : 'teal', 'value' : 0x008080}, |
| 431 const {'name' : 'thistle', 'value' : 0xD8BFD8}, |
| 432 const {'name' : 'tomato', 'value' : 0xFF6347}, |
| 433 const {'name' : 'turquoise', 'value' : 0x40E0D0}, |
| 434 const {'name' : 'violet', 'value' : 0xEE82EE}, |
| 435 const {'name' : 'wheat', 'value' : 0xF5DEB3}, |
| 436 const {'name' : 'white', 'value' : 0xFFFFFF}, |
| 437 const {'name' : 'whitesmoke', 'value' : 0xF5F5F5}, |
| 438 const {'name' : 'yellow', 'value' : 0xFFFF00}, |
| 439 const {'name' : 'yellowgreen', 'value' : 0x9ACD32}, |
| 440 ]; |
| 441 |
| 442 // TODO(terry): Should used Dart mirroring for parameter values and types |
| 443 // especially for enumeration (e.g., counter's second parameter |
| 444 // is list-style-type which is an enumerated list for ordering |
| 445 // of a list 'circle', 'decimal', 'lower-roman', 'square', etc. |
| 446 // see http://www.w3schools.com/cssref/pr_list-style-type.asp |
| 447 // for list of possible values. |
| 448 |
| 449 // List of valid CSS functions: |
| 450 static const List<Map<String, Object>> _FUNCTIONS = const [ |
| 451 const {'name' : 'counter', 'info' : const {'params' : 2, 'expr' : false}}, |
| 452 const {'name' : 'attr', 'info' : const {'params' : 1, 'expr' : false}}, |
| 453 const {'name' : 'calc', 'info' : const {'params' : 1, 'expr' : true}}, |
| 454 const {'name' : 'min', 'info' : const {'params' : 2, 'expr' : true}}, |
| 455 const {'name' : 'max', 'info' : const {'params' : 2, 'expr' : true}}, |
| 456 |
| 457 // 2D functions: |
| 458 const {'name' : 'translateX', |
| 459 'info' : const {'params' : 1, 'expr' : false}}, |
| 460 const {'name' : 'translateY', |
| 461 'info' : const {'params' : 1, 'expr' : false}}, |
| 462 const {'name' : 'translate', 'info' : const {'params' : 2, 'expr' : false}}, |
| 463 const {'name' : 'rotate', 'info' : const {'params' : 1, 'expr' : false}}, |
| 464 const {'name' : 'scaleX', 'info' : const {'params' : 1, 'expr' : false}}, |
| 465 const {'name' : 'scaleY', 'info' : const {'params' : 1, 'expr' : false}}, |
| 466 const {'name' : 'scale', 'info' : const {'params' : 2, 'expr' : false}}, |
| 467 const {'name' : 'skewX', 'info' : const {'params' : 1, 'expr' : false}}, |
| 468 const {'name' : 'skewY', 'info' : const {'params' : 1, 'expr' : false}}, |
| 469 const {'name' : 'skew', 'info' : const {'params' : 2, 'expr' : false}}, |
| 470 const {'name' : 'matrix', 'info' : const {'params' : 6, 'expr' : false}}, |
| 471 |
| 472 // 3D functions: |
| 473 const {'name' : 'matrix3d', 'info' : const {'params' : 16, 'expr' : false}}, |
| 474 const {'name' : 'translate3d', |
| 475 'info' : const {'params' : 3, 'expr' : false}}, |
| 476 const {'name' : 'translateZ', |
| 477 'info' : const {'params' : 1, 'expr' : false}}, |
| 478 const {'name' : 'scale3d', 'info' : const {'params' : 3, 'expr' : false}}, |
| 479 const {'name' : 'scaleZ', 'info' : const {'params' : 1, 'expr' : false}}, |
| 480 const {'name' : 'rotate3d', 'info' : const {'params' : 3, 'expr' : false}}, |
| 481 const {'name' : 'rotateX', 'info' : const {'params' : 1, 'expr' : false}}, |
| 482 const {'name' : 'rotateY', 'info' : const {'params' : 1, 'expr' : false}}, |
| 483 const {'name' : 'rotateZ', 'info' : const {'params' : 1, 'expr' : false}}, |
| 484 const {'name' : 'perspective', |
| 485 'info' : const {'params' : 1, 'expr' : false}}, |
| 486 ]; |
| 487 |
| 488 /** |
| 489 * Check if name is a pre-defined CSS name. Used by error handler to report |
| 490 * if name is unknown or used improperly. |
| 491 */ |
| 492 static bool isPredefinedName(String name) { |
| 493 var nameLen = name.length; |
| 494 // TODO(terry): Add more pre-defined names (hidden, bolder, inherit, etc.). |
| 495 if (matchUnits(name, 0, nameLen) == -1 || |
| 496 matchDirectives(name, 0, nameLen) == -1 || |
| 497 matchMarginDirectives(name, 0, nameLen) == -1 || |
| 498 matchColorName(name) == null) { |
| 499 return false; |
| 500 } |
| 501 |
| 502 return true; |
| 503 } |
| 504 |
| 505 /** Return the token that matches the unit ident found. */ |
| 506 static int matchList(var identList, String tokenField, String text, |
| 507 int offset, int length) { |
| 508 for (final entry in identList) { |
| 509 String ident = entry['value']; |
| 510 |
| 511 if (length == ident.length) { |
| 512 int idx = offset; |
| 513 bool match = true; |
| 514 for (int i = 0; i < ident.length; i++) { |
| 515 int identChar = ident.codeUnitAt(i); |
| 516 int char = text.codeUnitAt(idx++); |
| 517 // Compare lowercase to lowercase then check if char is uppercase. |
| 518 match = match && (char == identChar || |
| 519 ((char >= ASCII_UPPER_A && char <= ASCII_UPPER_Z) && |
| 520 (char + 32) == identChar)); |
| 521 if (!match) { |
| 522 break; |
| 523 } |
| 524 } |
| 525 |
| 526 if (match) { |
| 527 // Completely matched; return the token for this unit. |
| 528 return entry[tokenField]; |
| 529 } |
| 530 } |
| 531 } |
| 532 |
| 533 return -1; // Not a unit token. |
| 534 } |
| 535 |
| 536 /** Return the token that matches the unit ident found. */ |
| 537 static int matchUnits(String text, int offset, int length) { |
| 538 return matchList(_UNITS, 'unit', text, offset, length); |
| 539 } |
| 540 |
| 541 /** Return the token that matches the directive name found. */ |
| 542 static int matchDirectives(String text, int offset, int length) { |
| 543 return matchList(_DIRECTIVES, 'type', text, offset, length); |
| 544 } |
| 545 |
| 546 /** Return the token that matches the margin directive name found. */ |
| 547 static int matchMarginDirectives(String text, int offset, int length) { |
| 548 return matchList(MARGIN_DIRECTIVES, 'type', text, offset, length); |
| 549 } |
| 550 |
| 551 /** Return the token that matches the media operator found. */ |
| 552 static int matchMediaOperator(String text, int offset, int length) { |
| 553 return matchList(MEDIA_OPERATORS, 'type', text, offset, length); |
| 554 } |
| 555 |
| 556 static String idToValue(var identList, int tokenId) { |
| 557 for (var entry in identList) { |
| 558 if (tokenId == entry['type']) { |
| 559 return entry['value']; |
| 560 } |
| 561 } |
| 562 |
| 563 return null; |
| 564 } |
| 565 |
| 566 |
| 567 /** Return the unit token as its pretty name. */ |
| 568 static String unitToString(int unitTokenToFind) { |
| 569 if (unitTokenToFind == TokenKind.PERCENT) { |
| 570 return '%'; |
| 571 } else { |
| 572 for (final entry in _UNITS) { |
| 573 int unit = entry['unit']; |
| 574 if (unit == unitTokenToFind) { |
| 575 return entry['value']; |
| 576 } |
| 577 } |
| 578 } |
| 579 |
| 580 return '<BAD UNIT>'; // Not a unit token. |
| 581 } |
| 582 |
| 583 /** |
| 584 * Match color name, case insensitive match and return the associated color |
| 585 * entry from _EXTENDED_COLOR_NAMES list, return [:null:] if not found. |
| 586 */ |
| 587 static Map matchColorName(String text) { |
| 588 var name = text.toLowerCase(); |
| 589 return _EXTENDED_COLOR_NAMES. |
| 590 firstWhere((e) => e['name'] == name, orElse: () => null); |
| 591 } |
| 592 |
| 593 /** Return RGB value as [int] from a color entry in _EXTENDED_COLOR_NAMES. */ |
| 594 static int colorValue(Map entry) { |
| 595 assert(entry != null); |
| 596 return entry['value']; |
| 597 } |
| 598 |
| 599 static String hexToColorName(hexValue) { |
| 600 for (final entry in _EXTENDED_COLOR_NAMES) { |
| 601 if (entry['value'] == hexValue) { |
| 602 return entry['name']; |
| 603 } |
| 604 } |
| 605 |
| 606 return null; |
| 607 } |
| 608 |
| 609 static String decimalToHex(int number, [int minDigits = 1]) { |
| 610 final String _HEX_DIGITS = '0123456789abcdef'; |
| 611 |
| 612 List<String> result = new List<String>(); |
| 613 |
| 614 int dividend = number >> 4; |
| 615 int remain = number % 16; |
| 616 result.add(_HEX_DIGITS[remain]); |
| 617 while (dividend != 0) { |
| 618 remain = dividend % 16; |
| 619 dividend >>= 4; |
| 620 result.add(_HEX_DIGITS[remain]); |
| 621 } |
| 622 |
| 623 StringBuffer invertResult = new StringBuffer(); |
| 624 int paddings = minDigits - result.length; |
| 625 while (paddings-- > 0) { |
| 626 invertResult.write('0'); |
| 627 } |
| 628 for (int i = result.length - 1; i >= 0; i--) { |
| 629 invertResult.write(result[i]); |
| 630 } |
| 631 |
| 632 return invertResult.toString(); |
| 633 } |
| 634 |
| 635 static String kindToString(int kind) { |
| 636 switch(kind) { |
| 637 case TokenKind.UNUSED: return "ERROR"; |
| 638 case TokenKind.END_OF_FILE: return "end of file"; |
| 639 case TokenKind.LPAREN: return "("; |
| 640 case TokenKind.RPAREN: return ")"; |
| 641 case TokenKind.LBRACK: return "["; |
| 642 case TokenKind.RBRACK: return "]"; |
| 643 case TokenKind.LBRACE: return "{"; |
| 644 case TokenKind.RBRACE: return "}"; |
| 645 case TokenKind.DOT: return "."; |
| 646 case TokenKind.SEMICOLON: return ";"; |
| 647 case TokenKind.AT: return "@"; |
| 648 case TokenKind.HASH: return "#"; |
| 649 case TokenKind.PLUS: return "+"; |
| 650 case TokenKind.GREATER: return ">"; |
| 651 case TokenKind.TILDE: return "~"; |
| 652 case TokenKind.ASTERISK: return "*"; |
| 653 case TokenKind.NAMESPACE: return "|"; |
| 654 case TokenKind.COLON: return ":"; |
| 655 case TokenKind.PRIVATE_NAME: return "_"; |
| 656 case TokenKind.COMMA: return ","; |
| 657 case TokenKind.SPACE: return " "; |
| 658 case TokenKind.TAB: return "\t"; |
| 659 case TokenKind.NEWLINE: return "\n"; |
| 660 case TokenKind.RETURN: return "\r"; |
| 661 case TokenKind.PERCENT: return "%"; |
| 662 case TokenKind.SINGLE_QUOTE: return "'"; |
| 663 case TokenKind.DOUBLE_QUOTE: return "\""; |
| 664 case TokenKind.SLASH: return "/"; |
| 665 case TokenKind.EQUALS: return '='; |
| 666 case TokenKind.CARET: return '^'; |
| 667 case TokenKind.DOLLAR: return '\$'; |
| 668 case TokenKind.LESS: return '<'; |
| 669 case TokenKind.BANG: return '!'; |
| 670 case TokenKind.MINUS: return '-'; |
| 671 case TokenKind.BACKSLASH: return '\\'; |
| 672 default: |
| 673 throw "Unknown TOKEN"; |
| 674 } |
| 675 } |
| 676 |
| 677 static bool isKindIdentifier(int kind) { |
| 678 switch(kind) { |
| 679 // Synthesized tokens. |
| 680 case TokenKind.DIRECTIVE_IMPORT: |
| 681 case TokenKind.DIRECTIVE_MEDIA: |
| 682 case TokenKind.DIRECTIVE_PAGE: |
| 683 case TokenKind.DIRECTIVE_CHARSET: |
| 684 case TokenKind.DIRECTIVE_STYLET: |
| 685 case TokenKind.DIRECTIVE_KEYFRAMES: |
| 686 case TokenKind.DIRECTIVE_WEB_KIT_KEYFRAMES: |
| 687 case TokenKind.DIRECTIVE_MOZ_KEYFRAMES: |
| 688 case TokenKind.DIRECTIVE_MS_KEYFRAMES: |
| 689 case TokenKind.DIRECTIVE_O_KEYFRAMES: |
| 690 case TokenKind.DIRECTIVE_FONTFACE: |
| 691 case TokenKind.DIRECTIVE_NAMESPACE: |
| 692 case TokenKind.DIRECTIVE_HOST: |
| 693 case TokenKind.DIRECTIVE_MIXIN: |
| 694 case TokenKind.DIRECTIVE_INCLUDE: |
| 695 case TokenKind.DIRECTIVE_CONTENT: |
| 696 case TokenKind.UNIT_EM: |
| 697 case TokenKind.UNIT_EX: |
| 698 case TokenKind.UNIT_LENGTH_PX: |
| 699 case TokenKind.UNIT_LENGTH_CM: |
| 700 case TokenKind.UNIT_LENGTH_MM: |
| 701 case TokenKind.UNIT_LENGTH_IN: |
| 702 case TokenKind.UNIT_LENGTH_PT: |
| 703 case TokenKind.UNIT_LENGTH_PC: |
| 704 case TokenKind.UNIT_ANGLE_DEG: |
| 705 case TokenKind.UNIT_ANGLE_RAD: |
| 706 case TokenKind.UNIT_ANGLE_GRAD: |
| 707 case TokenKind.UNIT_TIME_MS: |
| 708 case TokenKind.UNIT_TIME_S: |
| 709 case TokenKind.UNIT_FREQ_HZ: |
| 710 case TokenKind.UNIT_FREQ_KHZ: |
| 711 case TokenKind.UNIT_FRACTION: |
| 712 return true; |
| 713 default: |
| 714 return false; |
| 715 } |
| 716 } |
| 717 |
| 718 static bool isIdentifier(int kind) { |
| 719 return kind == IDENTIFIER ; |
| 720 } |
| 721 } |
| 722 |
| 723 // Note: these names should match TokenKind names |
| 724 class TokenChar { |
| 725 static const int UNUSED = -1; |
| 726 static const int END_OF_FILE = 0; |
| 727 static const int LPAREN = 0x28; // "(".codeUnitAt(0) |
| 728 static const int RPAREN = 0x29; // ")".codeUnitAt(0) |
| 729 static const int LBRACK = 0x5b; // "[".codeUnitAt(0) |
| 730 static const int RBRACK = 0x5d; // "]".codeUnitAt(0) |
| 731 static const int LBRACE = 0x7b; // "{".codeUnitAt(0) |
| 732 static const int RBRACE = 0x7d; // "}".codeUnitAt(0) |
| 733 static const int DOT = 0x2e; // ".".codeUnitAt(0) |
| 734 static const int SEMICOLON = 0x3b; // ";".codeUnitAt(0) |
| 735 static const int AT = 0x40; // "@".codeUnitAt(0) |
| 736 static const int HASH = 0x23; // "#".codeUnitAt(0) |
| 737 static const int PLUS = 0x2b; // "+".codeUnitAt(0) |
| 738 static const int GREATER = 0x3e; // ">".codeUnitAt(0) |
| 739 static const int TILDE = 0x7e; // "~".codeUnitAt(0) |
| 740 static const int ASTERISK = 0x2a; // "*".codeUnitAt(0) |
| 741 static const int NAMESPACE = 0x7c; // "|".codeUnitAt(0) |
| 742 static const int COLON = 0x3a; // ":".codeUnitAt(0) |
| 743 static const int PRIVATE_NAME = 0x5f; // "_".codeUnitAt(0) |
| 744 static const int COMMA = 0x2c; // ",".codeUnitAt(0) |
| 745 static const int SPACE = 0x20; // " ".codeUnitAt(0) |
| 746 static const int TAB = 0x9; // "\t".codeUnitAt(0) |
| 747 static const int NEWLINE = 0xa; // "\n".codeUnitAt(0) |
| 748 static const int RETURN = 0xd; // "\r".codeUnitAt(0) |
| 749 static const int BACKSPACE = 0x8; // "/b".codeUnitAt(0) |
| 750 static const int FF = 0xc; // "/f".codeUnitAt(0) |
| 751 static const int VT = 0xb; // "/v".codeUnitAt(0) |
| 752 static const int PERCENT = 0x25; // "%".codeUnitAt(0) |
| 753 static const int SINGLE_QUOTE = 0x27; // "'".codeUnitAt(0) |
| 754 static const int DOUBLE_QUOTE = 0x22; // '"'.codeUnitAt(0) |
| 755 static const int SLASH = 0x2f; // "/".codeUnitAt(0) |
| 756 static const int EQUALS = 0x3d; // "=".codeUnitAt(0) |
| 757 static const int OR = 0x7c; // "|".codeUnitAt(0) |
| 758 static const int CARET = 0x5e; // "^".codeUnitAt(0) |
| 759 static const int DOLLAR = 0x24; // "\$".codeUnitAt(0) |
| 760 static const int LESS = 0x3c; // "<".codeUnitAt(0) |
| 761 static const int BANG = 0x21; // "!".codeUnitAt(0) |
| 762 static const int MINUS = 0x2d; // "-".codeUnitAt(0) |
| 763 static const int BACKSLASH = 0x5c; // "\".codeUnitAt(0) |
| 764 static const int AMPERSAND = 0x26; // "&".codeUnitAt(0) |
| 765 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 816693004:
Add observatory_pub_packages snapshot to third_party (Closed)
Base URL: http://dart.googlecode.com/svn/third_party/