diff options
Diffstat (limited to 'pygments/lexers/css.py')
| -rw-r--r-- | pygments/lexers/css.py | 689 |
1 files changed, 689 insertions, 0 deletions
diff --git a/pygments/lexers/css.py b/pygments/lexers/css.py new file mode 100644 index 00000000..e9e642f8 --- /dev/null +++ b/pygments/lexers/css.py @@ -0,0 +1,689 @@ +# -*- coding: utf-8 -*- +""" + pygments.lexers.css + ~~~~~~~~~~~~~~~~~~~ + + Lexers for CSS and related stylesheet formats. + + :copyright: Copyright 2006-2015 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 +from pygments.util import iteritems + +__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), + (words(_css_properties, suffix=r'\b'), Keyword), # for transition-property etc. + (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', + 'crop', '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.Double), + (r'#\{', String.Interpol, 'interpolation'), + (r"'", String.Double, '#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 iteritems(common_sass_tokens): + 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 iteritems(common_sass_tokens): + 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, + ], + } |