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dart / csslib / edfbcc1be672230a459f6b75c1548da559b6d78d / . / lib / src / tokenkind.dart
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// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
part of csslib.parser;
// TODO(terry): Need to be consistent with tokens either they're ASCII tokens
// e.g., ASTERISK or they're CSS e.g., PSEUDO, COMBINATOR_*.
class TokenKind {
// Common shared tokens used in TokenizerBase.
static const int UNUSED = 0; // Unused place holder...
static const int END_OF_FILE = 1; // EOF
static const int LPAREN = 2; // (
static const int RPAREN = 3; // )
static const int LBRACK = 4; // [
static const int RBRACK = 5; // ]
static const int LBRACE = 6; // {
static const int RBRACE = 7; // }
static const int DOT = 8; // .
static const int SEMICOLON = 9; // ;
// Unique tokens for CSS.
static const int AT = 10; // @
static const int HASH = 11; // #
static const int PLUS = 12; // +
static const int GREATER = 13; // >
static const int TILDE = 14; // ~
static const int ASTERISK = 15; // *
static const int NAMESPACE = 16; // |
static const int COLON = 17; // :
static const int PRIVATE_NAME = 18; // _ prefix private class or id
static const int COMMA = 19; // ,
static const int SPACE = 20;
static const int TAB = 21; // /t
static const int NEWLINE = 22; // /n
static const int RETURN = 23; // /r
static const int PERCENT = 24; // %
static const int SINGLE_QUOTE = 25; // '
static const int DOUBLE_QUOTE = 26; // "
static const int SLASH = 27; // /
static const int EQUALS = 28; // =
static const int CARET = 30; // ^
static const int DOLLAR = 31; // $
static const int LESS = 32; // <
static const int BANG = 33; // !
static const int MINUS = 34; // -
static const int BACKSLASH = 35; // \
static const int AMPERSAND = 36; // &
// WARNING: Tokens from this point and above must have the corresponding ASCII
// character in the TokenChar list at the bottom of this file. The
// order of the above tokens should be the same order as TokenChar.
/** [TokenKind] representing integer tokens. */
static const int INTEGER = 60;
/** [TokenKind] representing hex integer tokens. */
static const int HEX_INTEGER = 61;
/** [TokenKind] representing double tokens. */
static const int DOUBLE = 62;
/** [TokenKind] representing whitespace tokens. */
static const int WHITESPACE = 63;
/** [TokenKind] representing comment tokens. */
static const int COMMENT = 64;
/** [TokenKind] representing error tokens. */
static const int ERROR = 65;
/** [TokenKind] representing incomplete string tokens. */
static const int INCOMPLETE_STRING = 66;
/** [TokenKind] representing incomplete comment tokens. */
static const int INCOMPLETE_COMMENT = 67;
static const int VAR_DEFINITION = 400; // var-NNN-NNN
static const int VAR_USAGE = 401; // var(NNN-NNN [,default])
// Synthesized Tokens (no character associated with TOKEN).
static const int STRING = 500;
static const int STRING_PART = 501;
static const int NUMBER = 502;
static const int HEX_NUMBER = 503;
static const int HTML_COMMENT = 504; // <!--
static const int IMPORTANT = 505; // !important
static const int CDATA_START = 506; // <![CDATA[
static const int CDATA_END = 507; // ]]>
// U+uNumber[-U+uNumber]
// uNumber = 0..10FFFF | ?[?]*
static const int UNICODE_RANGE = 508;
static const int HEX_RANGE = 509; // ? in the hex range
static const int IDENTIFIER = 511;
// Uniquely synthesized tokens for CSS.
static const int SELECTOR_EXPRESSION = 512;
static const int COMBINATOR_NONE = 513;
static const int COMBINATOR_DESCENDANT = 514; // Space combinator
static const int COMBINATOR_PLUS = 515; // + combinator
static const int COMBINATOR_GREATER = 516; // > combinator
static const int COMBINATOR_TILDE = 517; // ~ combinator
static const int COMBINATOR_SHADOW_PIERCING_DESCENDANT = 518; // >>>
static const int COMBINATOR_DEEP = 519; // /deep/ (aliases >>>)
static const int UNARY_OP_NONE = 520; // No unary operator present.
// Attribute match types:
static const int INCLUDES = 530; // '~='
static const int DASH_MATCH = 531; // '|='
static const int PREFIX_MATCH = 532; // '^='
static const int SUFFIX_MATCH = 533; // '$='
static const int SUBSTRING_MATCH = 534; // '*='
static const int NO_MATCH = 535; // No operator.
// Unit types:
static const int UNIT_EM = 600;
static const int UNIT_EX = 601;
static const int UNIT_LENGTH_PX = 602;
static const int UNIT_LENGTH_CM = 603;
static const int UNIT_LENGTH_MM = 604;
static const int UNIT_LENGTH_IN = 605;
static const int UNIT_LENGTH_PT = 606;
static const int UNIT_LENGTH_PC = 607;
static const int UNIT_ANGLE_DEG = 608;
static const int UNIT_ANGLE_RAD = 609;
static const int UNIT_ANGLE_GRAD = 610;
static const int UNIT_ANGLE_TURN = 611;
static const int UNIT_TIME_MS = 612;
static const int UNIT_TIME_S = 613;
static const int UNIT_FREQ_HZ = 614;
static const int UNIT_FREQ_KHZ = 615;
static const int UNIT_PERCENT = 616;
static const int UNIT_FRACTION = 617;
static const int UNIT_RESOLUTION_DPI = 618;
static const int UNIT_RESOLUTION_DPCM = 619;
static const int UNIT_RESOLUTION_DPPX = 620;
static const int UNIT_CH = 621; // Measure of "0" U+0030 glyph.
static const int UNIT_REM = 622; // computed value ‘font-size’ on root elem.
static const int UNIT_VIEWPORT_VW = 623;
static const int UNIT_VIEWPORT_VH = 624;
static const int UNIT_VIEWPORT_VMIN = 625;
static const int UNIT_VIEWPORT_VMAX = 626;
// Directives (@nnnn)
static const int DIRECTIVE_NONE = 640;
static const int DIRECTIVE_IMPORT = 641;
static const int DIRECTIVE_MEDIA = 642;
static const int DIRECTIVE_PAGE = 643;
static const int DIRECTIVE_CHARSET = 644;
static const int DIRECTIVE_STYLET = 645;
static const int DIRECTIVE_KEYFRAMES = 646;
static const int DIRECTIVE_WEB_KIT_KEYFRAMES = 647;
static const int DIRECTIVE_MOZ_KEYFRAMES = 648;
static const int DIRECTIVE_MS_KEYFRAMES = 649;
static const int DIRECTIVE_O_KEYFRAMES = 650;
static const int DIRECTIVE_FONTFACE = 651;
static const int DIRECTIVE_NAMESPACE = 652;
static const int DIRECTIVE_HOST = 653;
static const int DIRECTIVE_MIXIN = 654;
static const int DIRECTIVE_INCLUDE = 655;
static const int DIRECTIVE_CONTENT = 656;
static const int DIRECTIVE_EXTEND = 657;
// Media query operators
static const int MEDIA_OP_ONLY = 665; // Unary.
static const int MEDIA_OP_NOT = 666; // Unary.
static const int MEDIA_OP_AND = 667; // Binary.
// Directives inside of a @page (margin sym).
static const int MARGIN_DIRECTIVE_TOPLEFTCORNER = 670;
static const int MARGIN_DIRECTIVE_TOPLEFT = 671;
static const int MARGIN_DIRECTIVE_TOPCENTER = 672;
static const int MARGIN_DIRECTIVE_TOPRIGHT = 673;
static const int MARGIN_DIRECTIVE_TOPRIGHTCORNER = 674;
static const int MARGIN_DIRECTIVE_BOTTOMLEFTCORNER = 675;
static const int MARGIN_DIRECTIVE_BOTTOMLEFT = 676;
static const int MARGIN_DIRECTIVE_BOTTOMCENTER = 677;
static const int MARGIN_DIRECTIVE_BOTTOMRIGHT = 678;
static const int MARGIN_DIRECTIVE_BOTTOMRIGHTCORNER = 679;
static const int MARGIN_DIRECTIVE_LEFTTOP = 680;
static const int MARGIN_DIRECTIVE_LEFTMIDDLE = 681;
static const int MARGIN_DIRECTIVE_LEFTBOTTOM = 682;
static const int MARGIN_DIRECTIVE_RIGHTTOP = 683;
static const int MARGIN_DIRECTIVE_RIGHTMIDDLE = 684;
static const int MARGIN_DIRECTIVE_RIGHTBOTTOM = 685;
// Simple selector type.
static const int CLASS_NAME = 700; // .class
static const int ELEMENT_NAME = 701; // tagName
static const int HASH_NAME = 702; // #elementId
static const int ATTRIBUTE_NAME = 703; // [attrib]
static const int PSEUDO_ELEMENT_NAME = 704; // ::pseudoElement
static const int PSEUDO_CLASS_NAME = 705; // :pseudoClass
static const int NEGATION = 706; // NOT
static const List<Map<String, dynamic>> _DIRECTIVES = const [
const {'type': TokenKind.DIRECTIVE_IMPORT, 'value': 'import'},
const {'type': TokenKind.DIRECTIVE_MEDIA, 'value': 'media'},
const {'type': TokenKind.DIRECTIVE_PAGE, 'value': 'page'},
const {'type': TokenKind.DIRECTIVE_CHARSET, 'value': 'charset'},
const {'type': TokenKind.DIRECTIVE_STYLET, 'value': 'stylet'},
const {'type': TokenKind.DIRECTIVE_KEYFRAMES, 'value': 'keyframes'},
const {
'type': TokenKind.DIRECTIVE_WEB_KIT_KEYFRAMES,
'value': '-webkit-keyframes'
},
const {
'type': TokenKind.DIRECTIVE_MOZ_KEYFRAMES,
'value': '-moz-keyframes'
},
const {'type': TokenKind.DIRECTIVE_MS_KEYFRAMES, 'value': '-ms-keyframes'},
const {'type': TokenKind.DIRECTIVE_O_KEYFRAMES, 'value': '-o-keyframes'},
const {'type': TokenKind.DIRECTIVE_FONTFACE, 'value': 'font-face'},
const {'type': TokenKind.DIRECTIVE_NAMESPACE, 'value': 'namespace'},
const {'type': TokenKind.DIRECTIVE_HOST, 'value': 'host'},
const {'type': TokenKind.DIRECTIVE_MIXIN, 'value': 'mixin'},
const {'type': TokenKind.DIRECTIVE_INCLUDE, 'value': 'include'},
const {'type': TokenKind.DIRECTIVE_CONTENT, 'value': 'content'},
const {'type': TokenKind.DIRECTIVE_EXTEND, 'value': 'extend'},
];
static const List<Map<String, dynamic>> MEDIA_OPERATORS = const [
const {'type': TokenKind.MEDIA_OP_ONLY, 'value': 'only'},
const {'type': TokenKind.MEDIA_OP_NOT, 'value': 'not'},
const {'type': TokenKind.MEDIA_OP_AND, 'value': 'and'},
];
static const List<Map<String, dynamic>> MARGIN_DIRECTIVES = const [
const {
'type': TokenKind.MARGIN_DIRECTIVE_TOPLEFTCORNER,
'value': 'top-left-corner'
},
const {'type': TokenKind.MARGIN_DIRECTIVE_TOPLEFT, 'value': 'top-left'},
const {'type': TokenKind.MARGIN_DIRECTIVE_TOPCENTER, 'value': 'top-center'},
const {'type': TokenKind.MARGIN_DIRECTIVE_TOPRIGHT, 'value': 'top-right'},
const {
'type': TokenKind.MARGIN_DIRECTIVE_TOPRIGHTCORNER,
'value': 'top-right-corner'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMLEFTCORNER,
'value': 'bottom-left-corner'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMLEFT,
'value': 'bottom-left'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMCENTER,
'value': 'bottom-center'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMRIGHT,
'value': 'bottom-right'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_BOTTOMRIGHTCORNER,
'value': 'bottom-right-corner'
},
const {'type': TokenKind.MARGIN_DIRECTIVE_LEFTTOP, 'value': 'left-top'},
const {
'type': TokenKind.MARGIN_DIRECTIVE_LEFTMIDDLE,
'value': 'left-middle'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_LEFTBOTTOM,
'value': 'right-bottom'
},
const {'type': TokenKind.MARGIN_DIRECTIVE_RIGHTTOP, 'value': 'right-top'},
const {
'type': TokenKind.MARGIN_DIRECTIVE_RIGHTMIDDLE,
'value': 'right-middle'
},
const {
'type': TokenKind.MARGIN_DIRECTIVE_RIGHTBOTTOM,
'value': 'right-bottom'
},
];
static const List<Map> _UNITS = const [
const {'unit': TokenKind.UNIT_EM, 'value': 'em'},
const {'unit': TokenKind.UNIT_EX, 'value': 'ex'},
const {'unit': TokenKind.UNIT_LENGTH_PX, 'value': 'px'},
const {'unit': TokenKind.UNIT_LENGTH_CM, 'value': 'cm'},
const {'unit': TokenKind.UNIT_LENGTH_MM, 'value': 'mm'},
const {'unit': TokenKind.UNIT_LENGTH_IN, 'value': 'in'},
const {'unit': TokenKind.UNIT_LENGTH_PT, 'value': 'pt'},
const {'unit': TokenKind.UNIT_LENGTH_PC, 'value': 'pc'},
const {'unit': TokenKind.UNIT_ANGLE_DEG, 'value': 'deg'},
const {'unit': TokenKind.UNIT_ANGLE_RAD, 'value': 'rad'},
const {'unit': TokenKind.UNIT_ANGLE_GRAD, 'value': 'grad'},
const {'unit': TokenKind.UNIT_ANGLE_TURN, 'value': 'turn'},
const {'unit': TokenKind.UNIT_TIME_MS, 'value': 'ms'},
const {'unit': TokenKind.UNIT_TIME_S, 'value': 's'},
const {'unit': TokenKind.UNIT_FREQ_HZ, 'value': 'hz'},
const {'unit': TokenKind.UNIT_FREQ_KHZ, 'value': 'khz'},
const {'unit': TokenKind.UNIT_FRACTION, 'value': 'fr'},
const {'unit': TokenKind.UNIT_RESOLUTION_DPI, 'value': 'dpi'},
const {'unit': TokenKind.UNIT_RESOLUTION_DPCM, 'value': 'dpcm'},
const {'unit': TokenKind.UNIT_RESOLUTION_DPPX, 'value': 'dppx'},
const {'unit': TokenKind.UNIT_CH, 'value': 'ch'},
const {'unit': TokenKind.UNIT_REM, 'value': 'rem'},
const {'unit': TokenKind.UNIT_VIEWPORT_VW, 'value': 'vw'},
const {'unit': TokenKind.UNIT_VIEWPORT_VH, 'value': 'vh'},
const {'unit': TokenKind.UNIT_VIEWPORT_VMIN, 'value': 'vmin'},
const {'unit': TokenKind.UNIT_VIEWPORT_VMAX, 'value': 'vmax'},
];
// Some more constants:
static const int ASCII_UPPER_A = 65; // ASCII value for uppercase A
static const int ASCII_UPPER_Z = 90; // ASCII value for uppercase Z
// Extended color keywords:
static const List<Map> _EXTENDED_COLOR_NAMES = const [
const {'name': 'aliceblue', 'value': 0xF08FF},
const {'name': 'antiquewhite', 'value': 0xFAEBD7},
const {'name': 'aqua', 'value': 0x00FFFF},
const {'name': 'aquamarine', 'value': 0x7FFFD4},
const {'name': 'azure', 'value': 0xF0FFFF},
const {'name': 'beige', 'value': 0xF5F5DC},
const {'name': 'bisque', 'value': 0xFFE4C4},
const {'name': 'black', 'value': 0x000000},
const {'name': 'blanchedalmond', 'value': 0xFFEBCD},
const {'name': 'blue', 'value': 0x0000FF},
const {'name': 'blueviolet', 'value': 0x8A2BE2},
const {'name': 'brown', 'value': 0xA52A2A},
const {'name': 'burlywood', 'value': 0xDEB887},
const {'name': 'cadetblue', 'value': 0x5F9EA0},
const {'name': 'chartreuse', 'value': 0x7FFF00},
const {'name': 'chocolate', 'value': 0xD2691E},
const {'name': 'coral', 'value': 0xFF7F50},
const {'name': 'cornflowerblue', 'value': 0x6495ED},
const {'name': 'cornsilk', 'value': 0xFFF8DC},
const {'name': 'crimson', 'value': 0xDC143C},
const {'name': 'cyan', 'value': 0x00FFFF},
const {'name': 'darkblue', 'value': 0x00008B},
const {'name': 'darkcyan', 'value': 0x008B8B},
const {'name': 'darkgoldenrod', 'value': 0xB8860B},
const {'name': 'darkgray', 'value': 0xA9A9A9},
const {'name': 'darkgreen', 'value': 0x006400},
const {'name': 'darkgrey', 'value': 0xA9A9A9},
const {'name': 'darkkhaki', 'value': 0xBDB76B},
const {'name': 'darkmagenta', 'value': 0x8B008B},
const {'name': 'darkolivegreen', 'value': 0x556B2F},
const {'name': 'darkorange', 'value': 0xFF8C00},
const {'name': 'darkorchid', 'value': 0x9932CC},
const {'name': 'darkred', 'value': 0x8B0000},
const {'name': 'darksalmon', 'value': 0xE9967A},
const {'name': 'darkseagreen', 'value': 0x8FBC8F},
const {'name': 'darkslateblue', 'value': 0x483D8B},
const {'name': 'darkslategray', 'value': 0x2F4F4F},
const {'name': 'darkslategrey', 'value': 0x2F4F4F},
const {'name': 'darkturquoise', 'value': 0x00CED1},
const {'name': 'darkviolet', 'value': 0x9400D3},
const {'name': 'deeppink', 'value': 0xFF1493},
const {'name': 'deepskyblue', 'value': 0x00BFFF},
const {'name': 'dimgray', 'value': 0x696969},
const {'name': 'dimgrey', 'value': 0x696969},
const {'name': 'dodgerblue', 'value': 0x1E90FF},
const {'name': 'firebrick', 'value': 0xB22222},
const {'name': 'floralwhite', 'value': 0xFFFAF0},
const {'name': 'forestgreen', 'value': 0x228B22},
const {'name': 'fuchsia', 'value': 0xFF00FF},
const {'name': 'gainsboro', 'value': 0xDCDCDC},
const {'name': 'ghostwhite', 'value': 0xF8F8FF},
const {'name': 'gold', 'value': 0xFFD700},
const {'name': 'goldenrod', 'value': 0xDAA520},
const {'name': 'gray', 'value': 0x808080},
const {'name': 'green', 'value': 0x008000},
const {'name': 'greenyellow', 'value': 0xADFF2F},
const {'name': 'grey', 'value': 0x808080},
const {'name': 'honeydew', 'value': 0xF0FFF0},
const {'name': 'hotpink', 'value': 0xFF69B4},
const {'name': 'indianred', 'value': 0xCD5C5C},
const {'name': 'indigo', 'value': 0x4B0082},
const {'name': 'ivory', 'value': 0xFFFFF0},
const {'name': 'khaki', 'value': 0xF0E68C},
const {'name': 'lavender', 'value': 0xE6E6FA},
const {'name': 'lavenderblush', 'value': 0xFFF0F5},
const {'name': 'lawngreen', 'value': 0x7CFC00},
const {'name': 'lemonchiffon', 'value': 0xFFFACD},
const {'name': 'lightblue', 'value': 0xADD8E6},
const {'name': 'lightcoral', 'value': 0xF08080},
const {'name': 'lightcyan', 'value': 0xE0FFFF},
const {'name': 'lightgoldenrodyellow', 'value': 0xFAFAD2},
const {'name': 'lightgray', 'value': 0xD3D3D3},
const {'name': 'lightgreen', 'value': 0x90EE90},
const {'name': 'lightgrey', 'value': 0xD3D3D3},
const {'name': 'lightpink', 'value': 0xFFB6C1},
const {'name': 'lightsalmon', 'value': 0xFFA07A},
const {'name': 'lightseagreen', 'value': 0x20B2AA},
const {'name': 'lightskyblue', 'value': 0x87CEFA},
const {'name': 'lightslategray', 'value': 0x778899},
const {'name': 'lightslategrey', 'value': 0x778899},
const {'name': 'lightsteelblue', 'value': 0xB0C4DE},
const {'name': 'lightyellow', 'value': 0xFFFFE0},
const {'name': 'lime', 'value': 0x00FF00},
const {'name': 'limegreen', 'value': 0x32CD32},
const {'name': 'linen', 'value': 0xFAF0E6},
const {'name': 'magenta', 'value': 0xFF00FF},
const {'name': 'maroon', 'value': 0x800000},
const {'name': 'mediumaquamarine', 'value': 0x66CDAA},
const {'name': 'mediumblue', 'value': 0x0000CD},
const {'name': 'mediumorchid', 'value': 0xBA55D3},
const {'name': 'mediumpurple', 'value': 0x9370DB},
const {'name': 'mediumseagreen', 'value': 0x3CB371},
const {'name': 'mediumslateblue', 'value': 0x7B68EE},
const {'name': 'mediumspringgreen', 'value': 0x00FA9A},
const {'name': 'mediumturquoise', 'value': 0x48D1CC},
const {'name': 'mediumvioletred', 'value': 0xC71585},
const {'name': 'midnightblue', 'value': 0x191970},
const {'name': 'mintcream', 'value': 0xF5FFFA},
const {'name': 'mistyrose', 'value': 0xFFE4E1},
const {'name': 'moccasin', 'value': 0xFFE4B5},
const {'name': 'navajowhite', 'value': 0xFFDEAD},
const {'name': 'navy', 'value': 0x000080},
const {'name': 'oldlace', 'value': 0xFDF5E6},
const {'name': 'olive', 'value': 0x808000},
const {'name': 'olivedrab', 'value': 0x6B8E23},
const {'name': 'orange', 'value': 0xFFA500},
const {'name': 'orangered', 'value': 0xFF4500},
const {'name': 'orchid', 'value': 0xDA70D6},
const {'name': 'palegoldenrod', 'value': 0xEEE8AA},
const {'name': 'palegreen', 'value': 0x98FB98},
const {'name': 'paleturquoise', 'value': 0xAFEEEE},
const {'name': 'palevioletred', 'value': 0xDB7093},
const {'name': 'papayawhip', 'value': 0xFFEFD5},
const {'name': 'peachpuff', 'value': 0xFFDAB9},
const {'name': 'peru', 'value': 0xCD853F},
const {'name': 'pink', 'value': 0xFFC0CB},
const {'name': 'plum', 'value': 0xDDA0DD},
const {'name': 'powderblue', 'value': 0xB0E0E6},
const {'name': 'purple', 'value': 0x800080},
const {'name': 'red', 'value': 0xFF0000},
const {'name': 'rosybrown', 'value': 0xBC8F8F},
const {'name': 'royalblue', 'value': 0x4169E1},
const {'name': 'saddlebrown', 'value': 0x8B4513},
const {'name': 'salmon', 'value': 0xFA8072},
const {'name': 'sandybrown', 'value': 0xF4A460},
const {'name': 'seagreen', 'value': 0x2E8B57},
const {'name': 'seashell', 'value': 0xFFF5EE},
const {'name': 'sienna', 'value': 0xA0522D},
const {'name': 'silver', 'value': 0xC0C0C0},
const {'name': 'skyblue', 'value': 0x87CEEB},
const {'name': 'slateblue', 'value': 0x6A5ACD},
const {'name': 'slategray', 'value': 0x708090},
const {'name': 'slategrey', 'value': 0x708090},
const {'name': 'snow', 'value': 0xFFFAFA},
const {'name': 'springgreen', 'value': 0x00FF7F},
const {'name': 'steelblue', 'value': 0x4682B4},
const {'name': 'tan', 'value': 0xD2B48C},
const {'name': 'teal', 'value': 0x008080},
const {'name': 'thistle', 'value': 0xD8BFD8},
const {'name': 'tomato', 'value': 0xFF6347},
const {'name': 'turquoise', 'value': 0x40E0D0},
const {'name': 'violet', 'value': 0xEE82EE},
const {'name': 'wheat', 'value': 0xF5DEB3},
const {'name': 'white', 'value': 0xFFFFFF},
const {'name': 'whitesmoke', 'value': 0xF5F5F5},
const {'name': 'yellow', 'value': 0xFFFF00},
const {'name': 'yellowgreen', 'value': 0x9ACD32},
];
// TODO(terry): Should used Dart mirroring for parameter values and types
// especially for enumeration (e.g., counter's second parameter
// is list-style-type which is an enumerated list for ordering
// of a list 'circle', 'decimal', 'lower-roman', 'square', etc.
// see http://www.w3schools.com/cssref/pr_list-style-type.asp
// for list of possible values.
/**
* Check if name is a pre-defined CSS name. Used by error handler to report
* if name is unknown or used improperly.
*/
static bool isPredefinedName(String name) {
var nameLen = name.length;
// TODO(terry): Add more pre-defined names (hidden, bolder, inherit, etc.).
if (matchUnits(name, 0, nameLen) == -1 ||
matchDirectives(name, 0, nameLen) == -1 ||
matchMarginDirectives(name, 0, nameLen) == -1 ||
matchColorName(name) == null) {
return false;
}
return true;
}
/** Return the token that matches the unit ident found. */
static int matchList(
var identList, String tokenField, String text, int offset, int length) {
for (final entry in identList) {
String ident = entry['value'];
if (length == ident.length) {
int idx = offset;
bool match = true;
for (int i = 0; i < ident.length; i++) {
int identChar = ident.codeUnitAt(i);
int char = text.codeUnitAt(idx++);
// Compare lowercase to lowercase then check if char is uppercase.
match = match &&
(char == identChar ||
((char >= ASCII_UPPER_A && char <= ASCII_UPPER_Z) &&
(char + 32) == identChar));
if (!match) {
break;
}
}
if (match) {
// Completely matched; return the token for this unit.
return entry[tokenField];
}
}
}
return -1; // Not a unit token.
}
/** Return the token that matches the unit ident found. */
static int matchUnits(String text, int offset, int length) {
return matchList(_UNITS, 'unit', text, offset, length);
}
/** Return the token that matches the directive name found. */
static int matchDirectives(String text, int offset, int length) {
return matchList(_DIRECTIVES, 'type', text, offset, length);
}
/** Return the token that matches the margin directive name found. */
static int matchMarginDirectives(String text, int offset, int length) {
return matchList(MARGIN_DIRECTIVES, 'type', text, offset, length);
}
/** Return the token that matches the media operator found. */
static int matchMediaOperator(String text, int offset, int length) {
return matchList(MEDIA_OPERATORS, 'type', text, offset, length);
}
static String idToValue(var identList, int tokenId) {
for (var entry in identList) {
if (tokenId == entry['type']) {
return entry['value'];
}
}
return null;
}
/** Return the unit token as its pretty name. */
static String unitToString(int unitTokenToFind) {
if (unitTokenToFind == TokenKind.PERCENT) {
return '%';
} else {
for (final entry in _UNITS) {
int unit = entry['unit'];
if (unit == unitTokenToFind) {
return entry['value'];
}
}
}
return '<BAD UNIT>'; // Not a unit token.
}
/**
* Match color name, case insensitive match and return the associated color
* entry from _EXTENDED_COLOR_NAMES list, return [:null:] if not found.
*/
static Map matchColorName(String text) {
var name = text.toLowerCase();
return _EXTENDED_COLOR_NAMES.firstWhere((e) => e['name'] == name,
orElse: () => null);
}
/** Return RGB value as [int] from a color entry in _EXTENDED_COLOR_NAMES. */
static int colorValue(Map entry) {
assert(entry != null);
return entry['value'];
}
static String hexToColorName(hexValue) {
for (final entry in _EXTENDED_COLOR_NAMES) {
if (entry['value'] == hexValue) {
return entry['name'];
}
}
return null;
}
static String decimalToHex(int number, [int minDigits = 1]) {
final String _HEX_DIGITS = '0123456789abcdef';
List<String> result = new List<String>();
int dividend = number >> 4;
int remain = number % 16;
result.add(_HEX_DIGITS[remain]);
while (dividend != 0) {
remain = dividend % 16;
dividend >>= 4;
result.add(_HEX_DIGITS[remain]);
}
StringBuffer invertResult = new StringBuffer();
int paddings = minDigits - result.length;
while (paddings-- > 0) {
invertResult.write('0');
}
for (int i = result.length - 1; i >= 0; i--) {
invertResult.write(result[i]);
}
return invertResult.toString();
}
static String kindToString(int kind) {
switch (kind) {
case TokenKind.UNUSED:
return "ERROR";
case TokenKind.END_OF_FILE:
return "end of file";
case TokenKind.LPAREN:
return "(";
case TokenKind.RPAREN:
return ")";
case TokenKind.LBRACK:
return "[";
case TokenKind.RBRACK:
return "]";
case TokenKind.LBRACE:
return "{";
case TokenKind.RBRACE:
return "}";
case TokenKind.DOT:
return ".";
case TokenKind.SEMICOLON:
return ";";
case TokenKind.AT:
return "@";
case TokenKind.HASH:
return "#";
case TokenKind.PLUS:
return "+";
case TokenKind.GREATER:
return ">";
case TokenKind.TILDE:
return "~";
case TokenKind.ASTERISK:
return "*";
case TokenKind.NAMESPACE:
return "|";
case TokenKind.COLON:
return ":";
case TokenKind.PRIVATE_NAME:
return "_";
case TokenKind.COMMA:
return ",";
case TokenKind.SPACE:
return " ";
case TokenKind.TAB:
return "\t";
case TokenKind.NEWLINE:
return "\n";
case TokenKind.RETURN:
return "\r";
case TokenKind.PERCENT:
return "%";
case TokenKind.SINGLE_QUOTE:
return "'";
case TokenKind.DOUBLE_QUOTE:
return "\"";
case TokenKind.SLASH:
return "/";
case TokenKind.EQUALS:
return '=';
case TokenKind.CARET:
return '^';
case TokenKind.DOLLAR:
return '\$';
case TokenKind.LESS:
return '<';
case TokenKind.BANG:
return '!';
case TokenKind.MINUS:
return '-';
case TokenKind.BACKSLASH:
return '\\';
default:
throw "Unknown TOKEN";
}
}
static bool isKindIdentifier(int kind) {
switch (kind) {
// Synthesized tokens.
case TokenKind.DIRECTIVE_IMPORT:
case TokenKind.DIRECTIVE_MEDIA:
case TokenKind.DIRECTIVE_PAGE:
case TokenKind.DIRECTIVE_CHARSET:
case TokenKind.DIRECTIVE_STYLET:
case TokenKind.DIRECTIVE_KEYFRAMES:
case TokenKind.DIRECTIVE_WEB_KIT_KEYFRAMES:
case TokenKind.DIRECTIVE_MOZ_KEYFRAMES:
case TokenKind.DIRECTIVE_MS_KEYFRAMES:
case TokenKind.DIRECTIVE_O_KEYFRAMES:
case TokenKind.DIRECTIVE_FONTFACE:
case TokenKind.DIRECTIVE_NAMESPACE:
case TokenKind.DIRECTIVE_HOST:
case TokenKind.DIRECTIVE_MIXIN:
case TokenKind.DIRECTIVE_INCLUDE:
case TokenKind.DIRECTIVE_CONTENT:
case TokenKind.UNIT_EM:
case TokenKind.UNIT_EX:
case TokenKind.UNIT_LENGTH_PX:
case TokenKind.UNIT_LENGTH_CM:
case TokenKind.UNIT_LENGTH_MM:
case TokenKind.UNIT_LENGTH_IN:
case TokenKind.UNIT_LENGTH_PT:
case TokenKind.UNIT_LENGTH_PC:
case TokenKind.UNIT_ANGLE_DEG:
case TokenKind.UNIT_ANGLE_RAD:
case TokenKind.UNIT_ANGLE_GRAD:
case TokenKind.UNIT_TIME_MS:
case TokenKind.UNIT_TIME_S:
case TokenKind.UNIT_FREQ_HZ:
case TokenKind.UNIT_FREQ_KHZ:
case TokenKind.UNIT_FRACTION:
return true;
default:
return false;
}
}
static bool isIdentifier(int kind) {
return kind == IDENTIFIER;
}
}
// Note: these names should match TokenKind names
class TokenChar {
static const int UNUSED = -1;
static const int END_OF_FILE = 0;
static const int LPAREN = 0x28; // "(".codeUnitAt(0)
static const int RPAREN = 0x29; // ")".codeUnitAt(0)
static const int LBRACK = 0x5b; // "[".codeUnitAt(0)
static const int RBRACK = 0x5d; // "]".codeUnitAt(0)
static const int LBRACE = 0x7b; // "{".codeUnitAt(0)
static const int RBRACE = 0x7d; // "}".codeUnitAt(0)
static const int DOT = 0x2e; // ".".codeUnitAt(0)
static const int SEMICOLON = 0x3b; // ";".codeUnitAt(0)
static const int AT = 0x40; // "@".codeUnitAt(0)
static const int HASH = 0x23; // "#".codeUnitAt(0)
static const int PLUS = 0x2b; // "+".codeUnitAt(0)
static const int GREATER = 0x3e; // ">".codeUnitAt(0)
static const int TILDE = 0x7e; // "~".codeUnitAt(0)
static const int ASTERISK = 0x2a; // "*".codeUnitAt(0)
static const int NAMESPACE = 0x7c; // "|".codeUnitAt(0)
static const int COLON = 0x3a; // ":".codeUnitAt(0)
static const int PRIVATE_NAME = 0x5f; // "_".codeUnitAt(0)
static const int COMMA = 0x2c; // ",".codeUnitAt(0)
static const int SPACE = 0x20; // " ".codeUnitAt(0)
static const int TAB = 0x9; // "\t".codeUnitAt(0)
static const int NEWLINE = 0xa; // "\n".codeUnitAt(0)
static const int RETURN = 0xd; // "\r".codeUnitAt(0)
static const int BACKSPACE = 0x8; // "/b".codeUnitAt(0)
static const int FF = 0xc; // "/f".codeUnitAt(0)
static const int VT = 0xb; // "/v".codeUnitAt(0)
static const int PERCENT = 0x25; // "%".codeUnitAt(0)
static const int SINGLE_QUOTE = 0x27; // "'".codeUnitAt(0)
static const int DOUBLE_QUOTE = 0x22; // '"'.codeUnitAt(0)
static const int SLASH = 0x2f; // "/".codeUnitAt(0)
static const int EQUALS = 0x3d; // "=".codeUnitAt(0)
static const int OR = 0x7c; // "|".codeUnitAt(0)
static const int CARET = 0x5e; // "^".codeUnitAt(0)
static const int DOLLAR = 0x24; // "\$".codeUnitAt(0)
static const int LESS = 0x3c; // "<".codeUnitAt(0)
static const int BANG = 0x21; // "!".codeUnitAt(0)
static const int MINUS = 0x2d; // "-".codeUnitAt(0)
static const int BACKSLASH = 0x5c; // "\".codeUnitAt(0)
static const int AMPERSAND = 0x26; // "&".codeUnitAt(0)
}