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# -*- coding: utf-8 -*-
"""
pygments.lexers.css
~~~~~~~~~~~~~~~~~~~
Lexers for CSS and related stylesheet formats.
:copyright: Copyright 2006-2020 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import copy
from pygments.lexer import ExtendedRegexLexer, RegexLexer, include, bygroups, \
default, words, inherit
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation
__all__ = ['CssLexer', 'SassLexer', 'ScssLexer', 'LessCssLexer']
# List of vendor prefixes obtained from:
# https://www.w3.org/TR/CSS21/syndata.html#vendor-keyword-history
_vendor_prefixes = (
'-ms-', 'mso-', '-moz-', '-o-', '-xv-', '-atsc-', '-wap-', '-khtml-',
'-webkit-', 'prince-', '-ah-', '-hp-', '-ro-', '-rim-', '-tc-',
)
# List of CSS properties obtained from:
# https://www.w3.org/Style/CSS/all-properties.en.html
# Note: handle --* separately
_css_properties = (
'align-content', 'align-items', 'align-self', 'alignment-baseline', 'all',
'animation', 'animation-delay', 'animation-direction',
'animation-duration', 'animation-fill-mode', 'animation-iteration-count',
'animation-name', 'animation-play-state', 'animation-timing-function',
'appearance', 'azimuth', 'backface-visibility', 'background',
'background-attachment', 'background-blend-mode', 'background-clip',
'background-color', 'background-image', 'background-origin',
'background-position', 'background-repeat', 'background-size',
'baseline-shift', 'bookmark-label', 'bookmark-level', 'bookmark-state',
'border', 'border-bottom', 'border-bottom-color',
'border-bottom-left-radius', 'border-bottom-right-radius',
'border-bottom-style', 'border-bottom-width', 'border-boundary',
'border-collapse', 'border-color', 'border-image', 'border-image-outset',
'border-image-repeat', 'border-image-slice', 'border-image-source',
'border-image-width', 'border-left', 'border-left-color',
'border-left-style', 'border-left-width', 'border-radius', 'border-right',
'border-right-color', 'border-right-style', 'border-right-width',
'border-spacing', 'border-style', 'border-top', 'border-top-color',
'border-top-left-radius', 'border-top-right-radius', 'border-top-style',
'border-top-width', 'border-width', 'bottom', 'box-decoration-break',
'box-shadow', 'box-sizing', 'box-snap', 'box-suppress', 'break-after',
'break-before', 'break-inside', 'caption-side', 'caret', 'caret-animation',
'caret-color', 'caret-shape', 'chains', 'clear', 'clip', 'clip-path',
'clip-rule', 'color', 'color-interpolation-filters', 'column-count',
'column-fill', 'column-gap', 'column-rule', 'column-rule-color',
'column-rule-style', 'column-rule-width', 'column-span', 'column-width',
'columns', 'content', 'counter-increment', 'counter-reset', 'counter-set',
'crop', 'cue', 'cue-after', 'cue-before', 'cursor', 'direction', 'display',
'dominant-baseline', 'elevation', 'empty-cells', 'filter', 'flex',
'flex-basis', 'flex-direction', 'flex-flow', 'flex-grow', 'flex-shrink',
'flex-wrap', 'float', 'float-defer', 'float-offset', 'float-reference',
'flood-color', 'flood-opacity', 'flow', 'flow-from', 'flow-into', 'font',
'font-family', 'font-feature-settings', 'font-kerning',
'font-language-override', 'font-size', 'font-size-adjust', 'font-stretch',
'font-style', 'font-synthesis', 'font-variant', 'font-variant-alternates',
'font-variant-caps', 'font-variant-east-asian', 'font-variant-ligatures',
'font-variant-numeric', 'font-variant-position', 'font-weight',
'footnote-display', 'footnote-policy', 'glyph-orientation-vertical',
'grid', 'grid-area', 'grid-auto-columns', 'grid-auto-flow',
'grid-auto-rows', 'grid-column', 'grid-column-end', 'grid-column-gap',
'grid-column-start', 'grid-gap', 'grid-row', 'grid-row-end',
'grid-row-gap', 'grid-row-start', 'grid-template', 'grid-template-areas',
'grid-template-columns', 'grid-template-rows', 'hanging-punctuation',
'height', 'hyphenate-character', 'hyphenate-limit-chars',
'hyphenate-limit-last', 'hyphenate-limit-lines', 'hyphenate-limit-zone',
'hyphens', 'image-orientation', 'image-resolution', 'initial-letter',
'initial-letter-align', 'initial-letter-wrap', 'isolation',
'justify-content', 'justify-items', 'justify-self', 'left',
'letter-spacing', 'lighting-color', 'line-break', 'line-grid',
'line-height', 'line-snap', 'list-style', 'list-style-image',
'list-style-position', 'list-style-type', 'margin', 'margin-bottom',
'margin-left', 'margin-right', 'margin-top', 'marker-side',
'marquee-direction', 'marquee-loop', 'marquee-speed', 'marquee-style',
'mask', 'mask-border', 'mask-border-mode', 'mask-border-outset',
'mask-border-repeat', 'mask-border-slice', 'mask-border-source',
'mask-border-width', 'mask-clip', 'mask-composite', 'mask-image',
'mask-mode', 'mask-origin', 'mask-position', 'mask-repeat', 'mask-size',
'mask-type', 'max-height', 'max-lines', 'max-width', 'min-height',
'min-width', 'mix-blend-mode', 'motion', 'motion-offset', 'motion-path',
'motion-rotation', 'move-to', 'nav-down', 'nav-left', 'nav-right',
'nav-up', 'object-fit', 'object-position', 'offset-after', 'offset-before',
'offset-end', 'offset-start', 'opacity', 'order', 'orphans', 'outline',
'outline-color', 'outline-offset', 'outline-style', 'outline-width',
'overflow', 'overflow-style', 'overflow-wrap', 'overflow-x', 'overflow-y',
'padding', 'padding-bottom', 'padding-left', 'padding-right', 'padding-top',
'page', 'page-break-after', 'page-break-before', 'page-break-inside',
'page-policy', 'pause', 'pause-after', 'pause-before', 'perspective',
'perspective-origin', 'pitch', 'pitch-range', 'play-during', 'polar-angle',
'polar-distance', 'position', 'presentation-level', 'quotes',
'region-fragment', 'resize', 'rest', 'rest-after', 'rest-before',
'richness', 'right', 'rotation', 'rotation-point', 'ruby-align',
'ruby-merge', 'ruby-position', 'running', 'scroll-snap-coordinate',
'scroll-snap-destination', 'scroll-snap-points-x', 'scroll-snap-points-y',
'scroll-snap-type', 'shape-image-threshold', 'shape-inside', 'shape-margin',
'shape-outside', 'size', 'speak', 'speak-as', 'speak-header',
'speak-numeral', 'speak-punctuation', 'speech-rate', 'stress', 'string-set',
'tab-size', 'table-layout', 'text-align', 'text-align-last',
'text-combine-upright', 'text-decoration', 'text-decoration-color',
'text-decoration-line', 'text-decoration-skip', 'text-decoration-style',
'text-emphasis', 'text-emphasis-color', 'text-emphasis-position',
'text-emphasis-style', 'text-indent', 'text-justify', 'text-orientation',
'text-overflow', 'text-shadow', 'text-space-collapse', 'text-space-trim',
'text-spacing', 'text-transform', 'text-underline-position', 'text-wrap',
'top', 'transform', 'transform-origin', 'transform-style', 'transition',
'transition-delay', 'transition-duration', 'transition-property',
'transition-timing-function', 'unicode-bidi', 'user-select',
'vertical-align', 'visibility', 'voice-balance', 'voice-duration',
'voice-family', 'voice-pitch', 'voice-range', 'voice-rate', 'voice-stress',
'voice-volume', 'volume', 'white-space', 'widows', 'width', 'will-change',
'word-break', 'word-spacing', 'word-wrap', 'wrap-after', 'wrap-before',
'wrap-flow', 'wrap-inside', 'wrap-through', 'writing-mode', 'z-index',
)
# List of keyword values obtained from:
# http://cssvalues.com/
_keyword_values = (
'absolute', 'alias', 'all', 'all-petite-caps', 'all-scroll',
'all-small-caps', 'allow-end', 'alpha', 'alternate', 'alternate-reverse',
'always', 'armenian', 'auto', 'avoid', 'avoid-column', 'avoid-page',
'backwards', 'balance', 'baseline', 'below', 'blink', 'block', 'bold',
'bolder', 'border-box', 'both', 'bottom', 'box-decoration', 'break-word',
'capitalize', 'cell', 'center', 'circle', 'clip', 'clone', 'close-quote',
'col-resize', 'collapse', 'color', 'color-burn', 'color-dodge', 'column',
'column-reverse', 'compact', 'condensed', 'contain', 'container',
'content-box', 'context-menu', 'copy', 'cover', 'crisp-edges', 'crosshair',
'currentColor', 'cursive', 'darken', 'dashed', 'decimal',
'decimal-leading-zero', 'default', 'descendants', 'difference', 'digits',
'disc', 'distribute', 'dot', 'dotted', 'double', 'double-circle', 'e-resize',
'each-line', 'ease', 'ease-in', 'ease-in-out', 'ease-out', 'edges',
'ellipsis', 'end', 'ew-resize', 'exclusion', 'expanded', 'extra-condensed',
'extra-expanded', 'fantasy', 'fill', 'fill-box', 'filled', 'first', 'fixed',
'flat', 'flex', 'flex-end', 'flex-start', 'flip', 'force-end', 'forwards',
'from-image', 'full-width', 'geometricPrecision', 'georgian', 'groove',
'hanging', 'hard-light', 'help', 'hidden', 'hide', 'horizontal', 'hue',
'icon', 'infinite', 'inherit', 'initial', 'ink', 'inline', 'inline-block',
'inline-flex', 'inline-table', 'inset', 'inside', 'inter-word', 'invert',
'isolate', 'italic', 'justify', 'large', 'larger', 'last', 'left',
'lighten', 'lighter', 'line-through', 'linear', 'list-item', 'local',
'loose', 'lower-alpha', 'lower-greek', 'lower-latin', 'lower-roman',
'lowercase', 'ltr', 'luminance', 'luminosity', 'mandatory', 'manipulation',
'manual', 'margin-box', 'match-parent', 'medium', 'mixed', 'monospace',
'move', 'multiply', 'n-resize', 'ne-resize', 'nesw-resize',
'no-close-quote', 'no-drop', 'no-open-quote', 'no-repeat', 'none', 'normal',
'not-allowed', 'nowrap', 'ns-resize', 'nw-resize', 'nwse-resize', 'objects',
'oblique', 'off', 'on', 'open', 'open-quote', 'optimizeLegibility',
'optimizeSpeed', 'outset', 'outside', 'over', 'overlay', 'overline',
'padding-box', 'page', 'pan-down', 'pan-left', 'pan-right', 'pan-up',
'pan-x', 'pan-y', 'paused', 'petite-caps', 'pixelated', 'pointer',
'preserve-3d', 'progress', 'proximity', 'relative', 'repeat',
'repeat no-repeat', 'repeat-x', 'repeat-y', 'reverse', 'ridge', 'right',
'round', 'row', 'row-resize', 'row-reverse', 'rtl', 'ruby', 'ruby-base',
'ruby-base-container', 'ruby-text', 'ruby-text-container', 'run-in',
'running', 's-resize', 'sans-serif', 'saturation', 'scale-down', 'screen',
'scroll', 'se-resize', 'semi-condensed', 'semi-expanded', 'separate',
'serif', 'sesame', 'show', 'sideways', 'sideways-left', 'sideways-right',
'slice', 'small', 'small-caps', 'smaller', 'smooth', 'snap', 'soft-light',
'solid', 'space', 'space-around', 'space-between', 'spaces', 'square',
'start', 'static', 'step-end', 'step-start', 'sticky', 'stretch', 'strict',
'stroke-box', 'style', 'sw-resize', 'table', 'table-caption', 'table-cell',
'table-column', 'table-column-group', 'table-footer-group',
'table-header-group', 'table-row', 'table-row-group', 'text', 'thick',
'thin', 'titling-caps', 'to', 'top', 'triangle', 'ultra-condensed',
'ultra-expanded', 'under', 'underline', 'unicase', 'unset', 'upper-alpha',
'upper-latin', 'upper-roman', 'uppercase', 'upright', 'use-glyph-orientation',
'vertical', 'vertical-text', 'view-box', 'visible', 'w-resize', 'wait',
'wavy', 'weight', 'weight style', 'wrap', 'wrap-reverse', 'x-large',
'x-small', 'xx-large', 'xx-small', 'zoom-in', 'zoom-out',
)
# List of extended color keywords obtained from:
# https://drafts.csswg.org/css-color/#named-colors
_color_keywords = (
'aliceblue', 'antiquewhite', 'aqua', 'aquamarine', 'azure', 'beige',
'bisque', 'black', 'blanchedalmond', 'blue', 'blueviolet', 'brown',
'burlywood', 'cadetblue', 'chartreuse', 'chocolate', 'coral',
'cornflowerblue', 'cornsilk', 'crimson', 'cyan', 'darkblue', 'darkcyan',
'darkgoldenrod', 'darkgray', 'darkgreen', 'darkgrey', 'darkkhaki',
'darkmagenta', 'darkolivegreen', 'darkorange', 'darkorchid', 'darkred',
'darksalmon', 'darkseagreen', 'darkslateblue', 'darkslategray',
'darkslategrey', 'darkturquoise', 'darkviolet', 'deeppink', 'deepskyblue',
'dimgray', 'dimgrey', 'dodgerblue', 'firebrick', 'floralwhite',
'forestgreen', 'fuchsia', 'gainsboro', 'ghostwhite', 'gold', 'goldenrod',
'gray', 'green', 'greenyellow', 'grey', 'honeydew', 'hotpink', 'indianred',
'indigo', 'ivory', 'khaki', 'lavender', 'lavenderblush', 'lawngreen',
'lemonchiffon', 'lightblue', 'lightcoral', 'lightcyan',
'lightgoldenrodyellow', 'lightgray', 'lightgreen', 'lightgrey',
'lightpink', 'lightsalmon', 'lightseagreen', 'lightskyblue',
'lightslategray', 'lightslategrey', 'lightsteelblue', 'lightyellow',
'lime', 'limegreen', 'linen', 'magenta', 'maroon', 'mediumaquamarine',
'mediumblue', 'mediumorchid', 'mediumpurple', 'mediumseagreen',
'mediumslateblue', 'mediumspringgreen', 'mediumturquoise',
'mediumvioletred', 'midnightblue', 'mintcream', 'mistyrose', 'moccasin',
'navajowhite', 'navy', 'oldlace', 'olive', 'olivedrab', 'orange',
'orangered', 'orchid', 'palegoldenrod', 'palegreen', 'paleturquoise',
'palevioletred', 'papayawhip', 'peachpuff', 'peru', 'pink', 'plum',
'powderblue', 'purple', 'rebeccapurple', 'red', 'rosybrown', 'royalblue',
'saddlebrown', 'salmon', 'sandybrown', 'seagreen', 'seashell', 'sienna',
'silver', 'skyblue', 'slateblue', 'slategray', 'slategrey', 'snow',
'springgreen', 'steelblue', 'tan', 'teal', 'thistle', 'tomato', 'turquoise',
'violet', 'wheat', 'white', 'whitesmoke', 'yellow', 'yellowgreen',
) + ('transparent',)
# List of other keyword values from other sources:
_other_keyword_values = (
'above', 'aural', 'behind', 'bidi-override', 'center-left', 'center-right',
'cjk-ideographic', 'continuous', 'crop', 'cross', 'embed', 'far-left',
'far-right', 'fast', 'faster', 'hebrew', 'high', 'higher', 'hiragana',
'hiragana-iroha', 'katakana', 'katakana-iroha', 'landscape', 'left-side',
'leftwards', 'level', 'loud', 'low', 'lower', 'message-box', 'middle',
'mix', 'narrower', 'once', 'portrait', 'right-side', 'rightwards', 'silent',
'slow', 'slower', 'small-caption', 'soft', 'spell-out', 'status-bar',
'super', 'text-bottom', 'text-top', 'wider', 'x-fast', 'x-high', 'x-loud',
'x-low', 'x-soft', 'yes', 'pre', 'pre-wrap', 'pre-line',
)
# List of functional notation and function keyword values:
_functional_notation_keyword_values = (
'attr', 'blackness', 'blend', 'blenda', 'blur', 'brightness', 'calc',
'circle', 'color-mod', 'contrast', 'counter', 'cubic-bezier', 'device-cmyk',
'drop-shadow', 'ellipse', 'gray', 'grayscale', 'hsl', 'hsla', 'hue',
'hue-rotate', 'hwb', 'image', 'inset', 'invert', 'lightness',
'linear-gradient', 'matrix', 'matrix3d', 'opacity', 'perspective',
'polygon', 'radial-gradient', 'rect', 'repeating-linear-gradient',
'repeating-radial-gradient', 'rgb', 'rgba', 'rotate', 'rotate3d', 'rotateX',
'rotateY', 'rotateZ', 'saturate', 'saturation', 'scale', 'scale3d',
'scaleX', 'scaleY', 'scaleZ', 'sepia', 'shade', 'skewX', 'skewY', 'steps',
'tint', 'toggle', 'translate', 'translate3d', 'translateX', 'translateY',
'translateZ', 'whiteness',
)
# Note! Handle url(...) separately.
# List of units obtained from:
# https://www.w3.org/TR/css3-values/
_angle_units = (
'deg', 'grad', 'rad', 'turn',
)
_frequency_units = (
'Hz', 'kHz',
)
_length_units = (
'em', 'ex', 'ch', 'rem',
'vh', 'vw', 'vmin', 'vmax',
'px', 'mm', 'cm', 'in', 'pt', 'pc', 'q',
)
_resolution_units = (
'dpi', 'dpcm', 'dppx',
)
_time_units = (
's', 'ms',
)
_all_units = _angle_units + _frequency_units + _length_units + \
_resolution_units + _time_units
class CssLexer(RegexLexer):
"""
For CSS (Cascading Style Sheets).
"""
name = 'CSS'
aliases = ['css']
filenames = ['*.css']
mimetypes = ['text/css']
tokens = {
'root': [
include('basics'),
],
'basics': [
(r'\s+', Text),
(r'/\*(?:.|\n)*?\*/', Comment),
(r'\{', Punctuation, 'content'),
(r'(\:{1,2})([\w-]+)', bygroups(Punctuation, Name.Decorator)),
(r'(\.)([\w-]+)', bygroups(Punctuation, Name.Class)),
(r'(\#)([\w-]+)', bygroups(Punctuation, Name.Namespace)),
(r'(@)([\w-]+)', bygroups(Punctuation, Keyword), 'atrule'),
(r'[\w-]+', Name.Tag),
(r'[~^*!%&$\[\]()<>|+=@:;,./?-]', Operator),
(r'"(\\\\|\\"|[^"])*"', String.Double),
(r"'(\\\\|\\'|[^'])*'", String.Single)
],
'atrule': [
(r'\{', Punctuation, 'atcontent'),
(r';', Punctuation, '#pop'),
include('basics'),
],
'atcontent': [
include('basics'),
(r'\}', Punctuation, '#pop:2'),
],
'content': [
(r'\s+', Text),
(r'\}', Punctuation, '#pop'),
(r';', Punctuation),
(r'^@.*?$', Comment.Preproc),
(words(_vendor_prefixes,), Keyword.Pseudo),
(r'('+r'|'.join(_css_properties)+r')(\s*)(\:)',
bygroups(Keyword, Text, Punctuation), 'value-start'),
(r'([a-zA-Z_][\w-]*)(\s*)(\:)', bygroups(Name, Text, Punctuation),
'value-start'),
(r'/\*(?:.|\n)*?\*/', Comment),
],
'value-start': [
(r'\s+', Text),
(words(_vendor_prefixes,), Name.Builtin.Pseudo),
include('urls'),
(r'('+r'|'.join(_functional_notation_keyword_values)+r')(\()',
bygroups(Name.Builtin, Punctuation), 'function-start'),
(r'([a-zA-Z_][\w-]+)(\()',
bygroups(Name.Function, Punctuation), 'function-start'),
(words(_keyword_values, suffix=r'\b'), Keyword.Constant),
(words(_other_keyword_values, suffix=r'\b'), Keyword.Constant),
(words(_color_keywords, suffix=r'\b'), Keyword.Constant),
# for transition-property etc.
(words(_css_properties, suffix=r'\b'), Keyword),
(r'\!important', Comment.Preproc),
(r'/\*(?:.|\n)*?\*/', Comment),
include('numeric-values'),
(r'[~^*!%&<>|+=@:./?-]+', Operator),
(r'[\[\](),]+', Punctuation),
(r'"(\\\\|\\"|[^"])*"', String.Double),
(r"'(\\\\|\\'|[^'])*'", String.Single),
(r'[a-zA-Z_][\w-]*', Name),
(r';', Punctuation, '#pop'),
(r'\}', Punctuation, '#pop:2'),
],
'function-start': [
(r'\s+', Text),
include('urls'),
(words(_vendor_prefixes,), Keyword.Pseudo),
(words(_keyword_values, suffix=r'\b'), Keyword.Constant),
(words(_other_keyword_values, suffix=r'\b'), Keyword.Constant),
(words(_color_keywords, suffix=r'\b'), Keyword.Constant),
# function-start may be entered recursively
(r'(' + r'|'.join(_functional_notation_keyword_values) + r')(\()',
bygroups(Name.Builtin, Punctuation), 'function-start'),
(r'([a-zA-Z_][\w-]+)(\()',
bygroups(Name.Function, Punctuation), 'function-start'),
(r'/\*(?:.|\n)*?\*/', Comment),
include('numeric-values'),
(r'[*+/-]', Operator),
(r',', Punctuation),
(r'"(\\\\|\\"|[^"])*"', String.Double),
(r"'(\\\\|\\'|[^'])*'", String.Single),
(r'[a-zA-Z_-]\w*', Name),
(r'\)', Punctuation, '#pop'),
],
'urls': [
(r'(url)(\()(".*?")(\))', bygroups(Name.Builtin, Punctuation,
String.Double, Punctuation)),
(r"(url)(\()('.*?')(\))", bygroups(Name.Builtin, Punctuation,
String.Single, Punctuation)),
(r'(url)(\()(.*?)(\))', bygroups(Name.Builtin, Punctuation,
String.Other, Punctuation)),
],
'numeric-values': [
(r'\#[a-zA-Z0-9]{1,6}', Number.Hex),
(r'[+\-]?[0-9]*[.][0-9]+', Number.Float, 'numeric-end'),
(r'[+\-]?[0-9]+', Number.Integer, 'numeric-end'),
],
'numeric-end': [
(words(_all_units, suffix=r'\b'), Keyword.Type),
(r'%', Keyword.Type),
default('#pop'),
],
}
common_sass_tokens = {
'value': [
(r'[ \t]+', Text),
(r'[!$][\w-]+', Name.Variable),
(r'url\(', String.Other, 'string-url'),
(r'[a-z_-][\w-]*(?=\()', Name.Function),
(words(_css_properties + (
'above', 'absolute', 'always', 'armenian', 'aural', 'auto', 'avoid', 'baseline',
'behind', 'below', 'bidi-override', 'blink', 'block', 'bold', 'bolder', 'both',
'capitalize', 'center-left', 'center-right', 'center', 'circle',
'cjk-ideographic', 'close-quote', 'collapse', 'condensed', 'continuous',
'crosshair', 'cross', 'cursive', 'dashed', 'decimal-leading-zero',
'decimal', 'default', 'digits', 'disc', 'dotted', 'double', 'e-resize', 'embed',
'extra-condensed', 'extra-expanded', 'expanded', 'fantasy', 'far-left',
'far-right', 'faster', 'fast', 'fixed', 'georgian', 'groove', 'hebrew', 'help',
'hidden', 'hide', 'higher', 'high', 'hiragana-iroha', 'hiragana', 'icon',
'inherit', 'inline-table', 'inline', 'inset', 'inside', 'invert', 'italic',
'justify', 'katakana-iroha', 'katakana', 'landscape', 'larger', 'large',
'left-side', 'leftwards', 'level', 'lighter', 'line-through', 'list-item',
'loud', 'lower-alpha', 'lower-greek', 'lower-roman', 'lowercase', 'ltr',
'lower', 'low', 'medium', 'message-box', 'middle', 'mix', 'monospace',
'n-resize', 'narrower', 'ne-resize', 'no-close-quote', 'no-open-quote',
'no-repeat', 'none', 'normal', 'nowrap', 'nw-resize', 'oblique', 'once',
'open-quote', 'outset', 'outside', 'overline', 'pointer', 'portrait', 'px',
'relative', 'repeat-x', 'repeat-y', 'repeat', 'rgb', 'ridge', 'right-side',
'rightwards', 's-resize', 'sans-serif', 'scroll', 'se-resize',
'semi-condensed', 'semi-expanded', 'separate', 'serif', 'show', 'silent',
'slow', 'slower', 'small-caps', 'small-caption', 'smaller', 'soft', 'solid',
'spell-out', 'square', 'static', 'status-bar', 'super', 'sw-resize',
'table-caption', 'table-cell', 'table-column', 'table-column-group',
'table-footer-group', 'table-header-group', 'table-row',
'table-row-group', 'text', 'text-bottom', 'text-top', 'thick', 'thin',
'transparent', 'ultra-condensed', 'ultra-expanded', 'underline',
'upper-alpha', 'upper-latin', 'upper-roman', 'uppercase', 'url',
'visible', 'w-resize', 'wait', 'wider', 'x-fast', 'x-high', 'x-large', 'x-loud',
'x-low', 'x-small', 'x-soft', 'xx-large', 'xx-small', 'yes'), suffix=r'\b'),
Name.Constant),
(words(_color_keywords, suffix=r'\b'), Name.Entity),
(words((
'black', 'silver', 'gray', 'white', 'maroon', 'red', 'purple', 'fuchsia', 'green',
'lime', 'olive', 'yellow', 'navy', 'blue', 'teal', 'aqua'), suffix=r'\b'),
Name.Builtin),
(r'\!(important|default)', Name.Exception),
(r'(true|false)', Name.Pseudo),
(r'(and|or|not)', Operator.Word),
(r'/\*', Comment.Multiline, 'inline-comment'),
(r'//[^\n]*', Comment.Single),
(r'\#[a-z0-9]{1,6}', Number.Hex),
(r'(-?\d+)(\%|[a-z]+)?', bygroups(Number.Integer, Keyword.Type)),
(r'(-?\d*\.\d+)(\%|[a-z]+)?', bygroups(Number.Float, Keyword.Type)),
(r'#\{', String.Interpol, 'interpolation'),
(r'[~^*!&%<>|+=@:,./?-]+', Operator),
(r'[\[\]()]+', Punctuation),
(r'"', String.Double, 'string-double'),
(r"'", String.Single, 'string-single'),
(r'[a-z_-][\w-]*', Name),
],
'interpolation': [
(r'\}', String.Interpol, '#pop'),
include('value'),
],
'selector': [
(r'[ \t]+', Text),
(r'\:', Name.Decorator, 'pseudo-class'),
(r'\.', Name.Class, 'class'),
(r'\#', Name.Namespace, 'id'),
(r'[\w-]+', Name.Tag),
(r'#\{', String.Interpol, 'interpolation'),
(r'&', Keyword),
(r'[~^*!&\[\]()<>|+=@:;,./?-]', Operator),
(r'"', String.Double, 'string-double'),
(r"'", String.Single, 'string-single'),
],
'string-double': [
(r'(\\.|#(?=[^\n{])|[^\n"#])+', String.Double),
(r'#\{', String.Interpol, 'interpolation'),
(r'"', String.Double, '#pop'),
],
'string-single': [
(r"(\\.|#(?=[^\n{])|[^\n'#])+", String.Single),
(r'#\{', String.Interpol, 'interpolation'),
(r"'", String.Single, '#pop'),
],
'string-url': [
(r'(\\#|#(?=[^\n{])|[^\n#)])+', String.Other),
(r'#\{', String.Interpol, 'interpolation'),
(r'\)', String.Other, '#pop'),
],
'pseudo-class': [
(r'[\w-]+', Name.Decorator),
(r'#\{', String.Interpol, 'interpolation'),
default('#pop'),
],
'class': [
(r'[\w-]+', Name.Class),
(r'#\{', String.Interpol, 'interpolation'),
default('#pop'),
],
'id': [
(r'[\w-]+', Name.Namespace),
(r'#\{', String.Interpol, 'interpolation'),
default('#pop'),
],
'for': [
(r'(from|to|through)', Operator.Word),
include('value'),
],
}
def _indentation(lexer, match, ctx):
indentation = match.group(0)
yield match.start(), Text, indentation
ctx.last_indentation = indentation
ctx.pos = match.end()
if hasattr(ctx, 'block_state') and ctx.block_state and \
indentation.startswith(ctx.block_indentation) and \
indentation != ctx.block_indentation:
ctx.stack.append(ctx.block_state)
else:
ctx.block_state = None
ctx.block_indentation = None
ctx.stack.append('content')
def _starts_block(token, state):
def callback(lexer, match, ctx):
yield match.start(), token, match.group(0)
if hasattr(ctx, 'last_indentation'):
ctx.block_indentation = ctx.last_indentation
else:
ctx.block_indentation = ''
ctx.block_state = state
ctx.pos = match.end()
return callback
class SassLexer(ExtendedRegexLexer):
"""
For Sass stylesheets.
.. versionadded:: 1.3
"""
name = 'Sass'
aliases = ['sass']
filenames = ['*.sass']
mimetypes = ['text/x-sass']
flags = re.IGNORECASE | re.MULTILINE
tokens = {
'root': [
(r'[ \t]*\n', Text),
(r'[ \t]*', _indentation),
],
'content': [
(r'//[^\n]*', _starts_block(Comment.Single, 'single-comment'),
'root'),
(r'/\*[^\n]*', _starts_block(Comment.Multiline, 'multi-comment'),
'root'),
(r'@import', Keyword, 'import'),
(r'@for', Keyword, 'for'),
(r'@(debug|warn|if|while)', Keyword, 'value'),
(r'(@mixin)( [\w-]+)', bygroups(Keyword, Name.Function), 'value'),
(r'(@include)( [\w-]+)', bygroups(Keyword, Name.Decorator), 'value'),
(r'@extend', Keyword, 'selector'),
(r'@[\w-]+', Keyword, 'selector'),
(r'=[\w-]+', Name.Function, 'value'),
(r'\+[\w-]+', Name.Decorator, 'value'),
(r'([!$][\w-]\w*)([ \t]*(?:(?:\|\|)?=|:))',
bygroups(Name.Variable, Operator), 'value'),
(r':', Name.Attribute, 'old-style-attr'),
(r'(?=.+?[=:]([^a-z]|$))', Name.Attribute, 'new-style-attr'),
default('selector'),
],
'single-comment': [
(r'.+', Comment.Single),
(r'\n', Text, 'root'),
],
'multi-comment': [
(r'.+', Comment.Multiline),
(r'\n', Text, 'root'),
],
'import': [
(r'[ \t]+', Text),
(r'\S+', String),
(r'\n', Text, 'root'),
],
'old-style-attr': [
(r'[^\s:="\[]+', Name.Attribute),
(r'#\{', String.Interpol, 'interpolation'),
(r'[ \t]*=', Operator, 'value'),
default('value'),
],
'new-style-attr': [
(r'[^\s:="\[]+', Name.Attribute),
(r'#\{', String.Interpol, 'interpolation'),
(r'[ \t]*[=:]', Operator, 'value'),
],
'inline-comment': [
(r"(\\#|#(?=[^\n{])|\*(?=[^\n/])|[^\n#*])+", Comment.Multiline),
(r'#\{', String.Interpol, 'interpolation'),
(r"\*/", Comment, '#pop'),
],
}
for group, common in common_sass_tokens.items():
tokens[group] = copy.copy(common)
tokens['value'].append((r'\n', Text, 'root'))
tokens['selector'].append((r'\n', Text, 'root'))
class ScssLexer(RegexLexer):
"""
For SCSS stylesheets.
"""
name = 'SCSS'
aliases = ['scss']
filenames = ['*.scss']
mimetypes = ['text/x-scss']
flags = re.IGNORECASE | re.DOTALL
tokens = {
'root': [
(r'\s+', Text),
(r'//.*?\n', Comment.Single),
(r'/\*.*?\*/', Comment.Multiline),
(r'@import', Keyword, 'value'),
(r'@for', Keyword, 'for'),
(r'@(debug|warn|if|while)', Keyword, 'value'),
(r'(@mixin)( [\w-]+)', bygroups(Keyword, Name.Function), 'value'),
(r'(@include)( [\w-]+)', bygroups(Keyword, Name.Decorator), 'value'),
(r'@extend', Keyword, 'selector'),
(r'(@media)(\s+)', bygroups(Keyword, Text), 'value'),
(r'@[\w-]+', Keyword, 'selector'),
(r'(\$[\w-]*\w)([ \t]*:)', bygroups(Name.Variable, Operator), 'value'),
# TODO: broken, and prone to infinite loops.
# (r'(?=[^;{}][;}])', Name.Attribute, 'attr'),
# (r'(?=[^;{}:]+:[^a-z])', Name.Attribute, 'attr'),
default('selector'),
],
'attr': [
(r'[^\s:="\[]+', Name.Attribute),
(r'#\{', String.Interpol, 'interpolation'),
(r'[ \t]*:', Operator, 'value'),
default('#pop'),
],
'inline-comment': [
(r"(\\#|#(?=[^{])|\*(?=[^/])|[^#*])+", Comment.Multiline),
(r'#\{', String.Interpol, 'interpolation'),
(r"\*/", Comment, '#pop'),
],
}
for group, common in common_sass_tokens.items():
tokens[group] = copy.copy(common)
tokens['value'].extend([(r'\n', Text), (r'[;{}]', Punctuation, '#pop')])
tokens['selector'].extend([(r'\n', Text), (r'[;{}]', Punctuation, '#pop')])
class LessCssLexer(CssLexer):
"""
For `LESS <http://lesscss.org/>`_ styleshets.
.. versionadded:: 2.1
"""
name = 'LessCss'
aliases = ['less']
filenames = ['*.less']
mimetypes = ['text/x-less-css']
tokens = {
'root': [
(r'@\w+', Name.Variable),
inherit,
],
'content': [
(r'\{', Punctuation, '#push'),
inherit,
],
}
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