603 lines
25 KiB
Python
603 lines
25 KiB
Python
"""
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pygments.lexers.css
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~~~~~~~~~~~~~~~~~~~
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Lexers for CSS and related stylesheet formats.
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:copyright: Copyright 2006-2024 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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import copy
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from pygments.lexer import ExtendedRegexLexer, RegexLexer, include, bygroups, \
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default, words, inherit
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from pygments.token import Comment, Operator, Keyword, Name, String, Number, \
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Punctuation, Whitespace
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from pygments.lexers._css_builtins import _css_properties
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__all__ = ['CssLexer', 'SassLexer', 'ScssLexer', 'LessCssLexer']
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# List of vendor prefixes obtained from:
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# https://www.w3.org/TR/CSS21/syndata.html#vendor-keyword-history
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_vendor_prefixes = (
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'-ms-', 'mso-', '-moz-', '-o-', '-xv-', '-atsc-', '-wap-', '-khtml-',
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'-webkit-', 'prince-', '-ah-', '-hp-', '-ro-', '-rim-', '-tc-',
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)
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# List of extended color keywords obtained from:
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# https://drafts.csswg.org/css-color/#named-colors
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_color_keywords = (
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'aliceblue', 'antiquewhite', 'aqua', 'aquamarine', 'azure', 'beige',
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'bisque', 'black', 'blanchedalmond', 'blue', 'blueviolet', 'brown',
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'burlywood', 'cadetblue', 'chartreuse', 'chocolate', 'coral',
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'cornflowerblue', 'cornsilk', 'crimson', 'cyan', 'darkblue', 'darkcyan',
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'darkgoldenrod', 'darkgray', 'darkgreen', 'darkgrey', 'darkkhaki',
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'darkmagenta', 'darkolivegreen', 'darkorange', 'darkorchid', 'darkred',
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'darksalmon', 'darkseagreen', 'darkslateblue', 'darkslategray',
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'darkslategrey', 'darkturquoise', 'darkviolet', 'deeppink', 'deepskyblue',
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'dimgray', 'dimgrey', 'dodgerblue', 'firebrick', 'floralwhite',
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'forestgreen', 'fuchsia', 'gainsboro', 'ghostwhite', 'gold', 'goldenrod',
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'gray', 'green', 'greenyellow', 'grey', 'honeydew', 'hotpink', 'indianred',
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'indigo', 'ivory', 'khaki', 'lavender', 'lavenderblush', 'lawngreen',
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'lemonchiffon', 'lightblue', 'lightcoral', 'lightcyan',
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'lightgoldenrodyellow', 'lightgray', 'lightgreen', 'lightgrey',
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'lightpink', 'lightsalmon', 'lightseagreen', 'lightskyblue',
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'lightslategray', 'lightslategrey', 'lightsteelblue', 'lightyellow',
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'lime', 'limegreen', 'linen', 'magenta', 'maroon', 'mediumaquamarine',
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'mediumblue', 'mediumorchid', 'mediumpurple', 'mediumseagreen',
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'mediumslateblue', 'mediumspringgreen', 'mediumturquoise',
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'mediumvioletred', 'midnightblue', 'mintcream', 'mistyrose', 'moccasin',
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'navajowhite', 'navy', 'oldlace', 'olive', 'olivedrab', 'orange',
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'orangered', 'orchid', 'palegoldenrod', 'palegreen', 'paleturquoise',
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'palevioletred', 'papayawhip', 'peachpuff', 'peru', 'pink', 'plum',
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'powderblue', 'purple', 'rebeccapurple', 'red', 'rosybrown', 'royalblue',
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'saddlebrown', 'salmon', 'sandybrown', 'seagreen', 'seashell', 'sienna',
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'silver', 'skyblue', 'slateblue', 'slategray', 'slategrey', 'snow',
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'springgreen', 'steelblue', 'tan', 'teal', 'thistle', 'tomato', 'turquoise',
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'violet', 'wheat', 'white', 'whitesmoke', 'yellow', 'yellowgreen',
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) + ('transparent',)
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# List of keyword values obtained from:
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# http://cssvalues.com/
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_keyword_values = (
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'absolute', 'alias', 'all', 'all-petite-caps', 'all-scroll',
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'all-small-caps', 'allow-end', 'alpha', 'alternate', 'alternate-reverse',
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'always', 'armenian', 'auto', 'avoid', 'avoid-column', 'avoid-page',
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'backwards', 'balance', 'baseline', 'below', 'blink', 'block', 'bold',
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'bolder', 'border-box', 'both', 'bottom', 'box-decoration', 'break-word',
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'capitalize', 'cell', 'center', 'circle', 'clip', 'clone', 'close-quote',
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'col-resize', 'collapse', 'color', 'color-burn', 'color-dodge', 'column',
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'column-reverse', 'compact', 'condensed', 'contain', 'container',
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'content-box', 'context-menu', 'copy', 'cover', 'crisp-edges', 'crosshair',
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'currentColor', 'cursive', 'darken', 'dashed', 'decimal',
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'decimal-leading-zero', 'default', 'descendants', 'difference', 'digits',
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'disc', 'distribute', 'dot', 'dotted', 'double', 'double-circle', 'e-resize',
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'each-line', 'ease', 'ease-in', 'ease-in-out', 'ease-out', 'edges',
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'ellipsis', 'end', 'ew-resize', 'exclusion', 'expanded', 'extra-condensed',
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'extra-expanded', 'fantasy', 'fill', 'fill-box', 'filled', 'first', 'fixed',
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'flat', 'flex', 'flex-end', 'flex-start', 'flip', 'force-end', 'forwards',
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'from-image', 'full-width', 'geometricPrecision', 'georgian', 'groove',
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'hanging', 'hard-light', 'help', 'hidden', 'hide', 'horizontal', 'hue',
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'icon', 'infinite', 'inherit', 'initial', 'ink', 'inline', 'inline-block',
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'inline-flex', 'inline-table', 'inset', 'inside', 'inter-word', 'invert',
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'isolate', 'italic', 'justify', 'large', 'larger', 'last', 'left',
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'lighten', 'lighter', 'line-through', 'linear', 'list-item', 'local',
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'loose', 'lower-alpha', 'lower-greek', 'lower-latin', 'lower-roman',
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'lowercase', 'ltr', 'luminance', 'luminosity', 'mandatory', 'manipulation',
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'manual', 'margin-box', 'match-parent', 'medium', 'mixed', 'monospace',
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'move', 'multiply', 'n-resize', 'ne-resize', 'nesw-resize',
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'no-close-quote', 'no-drop', 'no-open-quote', 'no-repeat', 'none', 'normal',
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'not-allowed', 'nowrap', 'ns-resize', 'nw-resize', 'nwse-resize', 'objects',
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'oblique', 'off', 'on', 'open', 'open-quote', 'optimizeLegibility',
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'optimizeSpeed', 'outset', 'outside', 'over', 'overlay', 'overline',
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'padding-box', 'page', 'pan-down', 'pan-left', 'pan-right', 'pan-up',
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'pan-x', 'pan-y', 'paused', 'petite-caps', 'pixelated', 'pointer',
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'preserve-3d', 'progress', 'proximity', 'relative', 'repeat',
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'repeat no-repeat', 'repeat-x', 'repeat-y', 'reverse', 'ridge', 'right',
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'round', 'row', 'row-resize', 'row-reverse', 'rtl', 'ruby', 'ruby-base',
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'ruby-base-container', 'ruby-text', 'ruby-text-container', 'run-in',
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'running', 's-resize', 'sans-serif', 'saturation', 'scale-down', 'screen',
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'scroll', 'se-resize', 'semi-condensed', 'semi-expanded', 'separate',
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'serif', 'sesame', 'show', 'sideways', 'sideways-left', 'sideways-right',
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'slice', 'small', 'small-caps', 'smaller', 'smooth', 'snap', 'soft-light',
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'solid', 'space', 'space-around', 'space-between', 'spaces', 'square',
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'start', 'static', 'step-end', 'step-start', 'sticky', 'stretch', 'strict',
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'stroke-box', 'style', 'sw-resize', 'table', 'table-caption', 'table-cell',
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'table-column', 'table-column-group', 'table-footer-group',
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'table-header-group', 'table-row', 'table-row-group', 'text', 'thick',
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'thin', 'titling-caps', 'to', 'top', 'triangle', 'ultra-condensed',
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'ultra-expanded', 'under', 'underline', 'unicase', 'unset', 'upper-alpha',
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'upper-latin', 'upper-roman', 'uppercase', 'upright', 'use-glyph-orientation',
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'vertical', 'vertical-text', 'view-box', 'visible', 'w-resize', 'wait',
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'wavy', 'weight', 'weight style', 'wrap', 'wrap-reverse', 'x-large',
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'x-small', 'xx-large', 'xx-small', 'zoom-in', 'zoom-out',
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)
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# List of other keyword values from other sources:
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_other_keyword_values = (
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'above', 'aural', 'behind', 'bidi-override', 'center-left', 'center-right',
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'cjk-ideographic', 'continuous', 'crop', 'cross', 'embed', 'far-left',
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'far-right', 'fast', 'faster', 'hebrew', 'high', 'higher', 'hiragana',
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'hiragana-iroha', 'katakana', 'katakana-iroha', 'landscape', 'left-side',
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'leftwards', 'level', 'loud', 'low', 'lower', 'message-box', 'middle',
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'mix', 'narrower', 'once', 'portrait', 'right-side', 'rightwards', 'silent',
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'slow', 'slower', 'small-caption', 'soft', 'spell-out', 'status-bar',
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'super', 'text-bottom', 'text-top', 'wider', 'x-fast', 'x-high', 'x-loud',
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'x-low', 'x-soft', 'yes', 'pre', 'pre-wrap', 'pre-line',
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)
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# List of functional notation and function keyword values:
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_functional_notation_keyword_values = (
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'attr', 'blackness', 'blend', 'blenda', 'blur', 'brightness', 'calc',
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'circle', 'color-mod', 'contrast', 'counter', 'cubic-bezier', 'device-cmyk',
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'drop-shadow', 'ellipse', 'gray', 'grayscale', 'hsl', 'hsla', 'hue',
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'hue-rotate', 'hwb', 'image', 'inset', 'invert', 'lightness',
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'linear-gradient', 'matrix', 'matrix3d', 'opacity', 'perspective',
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'polygon', 'radial-gradient', 'rect', 'repeating-linear-gradient',
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'repeating-radial-gradient', 'rgb', 'rgba', 'rotate', 'rotate3d', 'rotateX',
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'rotateY', 'rotateZ', 'saturate', 'saturation', 'scale', 'scale3d',
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'scaleX', 'scaleY', 'scaleZ', 'sepia', 'shade', 'skewX', 'skewY', 'steps',
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'tint', 'toggle', 'translate', 'translate3d', 'translateX', 'translateY',
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'translateZ', 'whiteness',
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)
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# Note! Handle url(...) separately.
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# List of units obtained from:
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# https://www.w3.org/TR/css3-values/
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_angle_units = (
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'deg', 'grad', 'rad', 'turn',
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)
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_frequency_units = (
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'Hz', 'kHz',
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)
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_length_units = (
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'em', 'ex', 'ch', 'rem',
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'vh', 'vw', 'vmin', 'vmax',
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'px', 'mm', 'cm', 'in', 'pt', 'pc', 'q',
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)
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_resolution_units = (
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'dpi', 'dpcm', 'dppx',
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)
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_time_units = (
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's', 'ms',
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)
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_all_units = _angle_units + _frequency_units + _length_units + \
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_resolution_units + _time_units
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class CssLexer(RegexLexer):
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"""
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For CSS (Cascading Style Sheets).
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"""
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name = 'CSS'
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url = 'https://www.w3.org/TR/CSS/#css'
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aliases = ['css']
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filenames = ['*.css']
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mimetypes = ['text/css']
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version_added = ''
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tokens = {
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'root': [
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include('basics'),
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],
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'basics': [
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(r'\s+', Whitespace),
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(r'/\*(?:.|\n)*?\*/', Comment),
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(r'\{', Punctuation, 'content'),
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(r'(\:{1,2})([\w-]+)', bygroups(Punctuation, Name.Decorator)),
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(r'(\.)([\w-]+)', bygroups(Punctuation, Name.Class)),
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(r'(\#)([\w-]+)', bygroups(Punctuation, Name.Namespace)),
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(r'(@)([\w-]+)', bygroups(Punctuation, Keyword), 'atrule'),
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(r'[\w-]+', Name.Tag),
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(r'[~^*!%&$\[\]()<>|+=@:;,./?-]', Operator),
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(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
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(r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
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],
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'atrule': [
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(r'\{', Punctuation, 'atcontent'),
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(r';', Punctuation, '#pop'),
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include('basics'),
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],
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'atcontent': [
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include('basics'),
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(r'\}', Punctuation, '#pop:2'),
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],
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'content': [
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(r'\s+', Whitespace),
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(r'\}', Punctuation, '#pop'),
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(r';', Punctuation),
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(r'^@.*?$', Comment.Preproc),
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(words(_vendor_prefixes,), Keyword.Pseudo),
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(r'('+r'|'.join(_css_properties)+r')(\s*)(\:)',
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bygroups(Keyword, Whitespace, Punctuation), 'value-start'),
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(r'([-]+[a-zA-Z_][\w-]*)(\s*)(\:)', bygroups(Name.Variable, Whitespace, Punctuation),
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'value-start'),
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(r'([a-zA-Z_][\w-]*)(\s*)(\:)', bygroups(Name, Whitespace, Punctuation),
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'value-start'),
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(r'/\*(?:.|\n)*?\*/', Comment),
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],
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'value-start': [
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(r'\s+', Whitespace),
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(words(_vendor_prefixes,), Name.Builtin.Pseudo),
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include('urls'),
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(r'('+r'|'.join(_functional_notation_keyword_values)+r')(\()',
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bygroups(Name.Builtin, Punctuation), 'function-start'),
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(r'([a-zA-Z_][\w-]+)(\()',
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bygroups(Name.Function, Punctuation), 'function-start'),
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(words(_keyword_values, suffix=r'\b'), Keyword.Constant),
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(words(_other_keyword_values, suffix=r'\b'), Keyword.Constant),
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(words(_color_keywords, suffix=r'\b'), Keyword.Constant),
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# for transition-property etc.
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(words(_css_properties, suffix=r'\b'), Keyword),
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(r'\!important', Comment.Preproc),
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(r'/\*(?:.|\n)*?\*/', Comment),
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include('numeric-values'),
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(r'[~^*!%&<>|+=@:./?-]+', Operator),
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(r'[\[\](),]+', Punctuation),
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(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
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(r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
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(r'[a-zA-Z_][\w-]*', Name),
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(r';', Punctuation, '#pop'),
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(r'\}', Punctuation, '#pop:2'),
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],
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'function-start': [
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(r'\s+', Whitespace),
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(r'[-]+([A-Za-z][\w+]*[-]*)+', Name.Variable),
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include('urls'),
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(words(_vendor_prefixes,), Keyword.Pseudo),
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(words(_keyword_values, suffix=r'\b'), Keyword.Constant),
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(words(_other_keyword_values, suffix=r'\b'), Keyword.Constant),
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(words(_color_keywords, suffix=r'\b'), Keyword.Constant),
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# function-start may be entered recursively
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(r'(' + r'|'.join(_functional_notation_keyword_values) + r')(\()',
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bygroups(Name.Builtin, Punctuation), 'function-start'),
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(r'([a-zA-Z_][\w-]+)(\()',
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bygroups(Name.Function, Punctuation), 'function-start'),
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(r'/\*(?:.|\n)*?\*/', Comment),
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include('numeric-values'),
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(r'[*+/-]', Operator),
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(r',', Punctuation),
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(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
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(r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
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(r'[a-zA-Z_-]\w*', Name),
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(r'\)', Punctuation, '#pop'),
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],
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'urls': [
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(r'(url)(\()(".*?")(\))', bygroups(Name.Builtin, Punctuation,
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String.Double, Punctuation)),
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(r"(url)(\()('.*?')(\))", bygroups(Name.Builtin, Punctuation,
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String.Single, Punctuation)),
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(r'(url)(\()(.*?)(\))', bygroups(Name.Builtin, Punctuation,
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String.Other, Punctuation)),
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],
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'numeric-values': [
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(r'\#[a-zA-Z0-9]{1,6}', Number.Hex),
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(r'[+\-]?[0-9]*[.][0-9]+', Number.Float, 'numeric-end'),
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(r'[+\-]?[0-9]+', Number.Integer, 'numeric-end'),
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],
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'numeric-end': [
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(words(_all_units, suffix=r'\b'), Keyword.Type),
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(r'%', Keyword.Type),
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default('#pop'),
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],
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}
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common_sass_tokens = {
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'value': [
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(r'[ \t]+', Whitespace),
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(r'[!$][\w-]+', Name.Variable),
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(r'url\(', String.Other, 'string-url'),
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(r'[a-z_-][\w-]*(?=\()', Name.Function),
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(words(_css_properties + (
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'above', 'absolute', 'always', 'armenian', 'aural', 'auto', 'avoid', 'baseline',
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'behind', 'below', 'bidi-override', 'blink', 'block', 'bold', 'bolder', 'both',
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'capitalize', 'center-left', 'center-right', 'center', 'circle',
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'cjk-ideographic', 'close-quote', 'collapse', 'condensed', 'continuous',
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'crosshair', 'cross', 'cursive', 'dashed', 'decimal-leading-zero',
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'decimal', 'default', 'digits', 'disc', 'dotted', 'double', 'e-resize', 'embed',
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'extra-condensed', 'extra-expanded', 'expanded', 'fantasy', 'far-left',
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'far-right', 'faster', 'fast', 'fixed', 'georgian', 'groove', 'hebrew', 'help',
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'hidden', 'hide', 'higher', 'high', 'hiragana-iroha', 'hiragana', 'icon',
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'inherit', 'inline-table', 'inline', 'inset', 'inside', 'invert', 'italic',
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'justify', 'katakana-iroha', 'katakana', 'landscape', 'larger', 'large',
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'left-side', 'leftwards', 'level', 'lighter', 'line-through', 'list-item',
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'loud', 'lower-alpha', 'lower-greek', 'lower-roman', 'lowercase', 'ltr',
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'lower', 'low', 'medium', 'message-box', 'middle', 'mix', 'monospace',
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'n-resize', 'narrower', 'ne-resize', 'no-close-quote', 'no-open-quote',
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'no-repeat', 'none', 'normal', 'nowrap', 'nw-resize', 'oblique', 'once',
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'open-quote', 'outset', 'outside', 'overline', 'pointer', 'portrait', 'px',
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'relative', 'repeat-x', 'repeat-y', 'repeat', 'rgb', 'ridge', 'right-side',
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'rightwards', 's-resize', 'sans-serif', 'scroll', 'se-resize',
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'semi-condensed', 'semi-expanded', 'separate', 'serif', 'show', 'silent',
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'slow', 'slower', 'small-caps', 'small-caption', 'smaller', 'soft', 'solid',
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'spell-out', 'square', 'static', 'status-bar', 'super', 'sw-resize',
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'table-caption', 'table-cell', 'table-column', 'table-column-group',
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'table-footer-group', 'table-header-group', 'table-row',
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'table-row-group', 'text', 'text-bottom', 'text-top', 'thick', 'thin',
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'transparent', 'ultra-condensed', 'ultra-expanded', 'underline',
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'upper-alpha', 'upper-latin', 'upper-roman', 'uppercase', 'url',
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'visible', 'w-resize', 'wait', 'wider', 'x-fast', 'x-high', 'x-large', 'x-loud',
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'x-low', 'x-small', 'x-soft', 'xx-large', 'xx-small', 'yes'), suffix=r'\b'),
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Name.Constant),
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(words(_color_keywords, suffix=r'\b'), Name.Entity),
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(words((
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'black', 'silver', 'gray', 'white', 'maroon', 'red', 'purple', 'fuchsia', 'green',
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'lime', 'olive', 'yellow', 'navy', 'blue', 'teal', 'aqua'), suffix=r'\b'),
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Name.Builtin),
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(r'\!(important|default)', Name.Exception),
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(r'(true|false)', Name.Pseudo),
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(r'(and|or|not)', Operator.Word),
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(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]+', Whitespace),
|
|
(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(), Whitespace, 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.
|
|
"""
|
|
|
|
name = 'Sass'
|
|
url = 'https://sass-lang.com/'
|
|
aliases = ['sass']
|
|
filenames = ['*.sass']
|
|
mimetypes = ['text/x-sass']
|
|
version_added = '1.3'
|
|
|
|
flags = re.IGNORECASE | re.MULTILINE
|
|
|
|
tokens = {
|
|
'root': [
|
|
(r'[ \t]*\n', Whitespace),
|
|
(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, Whitespace, Name.Function), 'value'),
|
|
(r'(@include)( )([\w-]+)', bygroups(Keyword, Whitespace, 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', Whitespace, 'root'),
|
|
],
|
|
|
|
'multi-comment': [
|
|
(r'.+', Comment.Multiline),
|
|
(r'\n', Whitespace, 'root'),
|
|
],
|
|
|
|
'import': [
|
|
(r'[ \t]+', Whitespace),
|
|
(r'\S+', String),
|
|
(r'\n', Whitespace, 'root'),
|
|
],
|
|
|
|
'old-style-attr': [
|
|
(r'[^\s:="\[]+', Name.Attribute),
|
|
(r'#\{', String.Interpol, 'interpolation'),
|
|
(r'([ \t]*)(=)', bygroups(Whitespace, Operator), 'value'),
|
|
default('value'),
|
|
],
|
|
|
|
'new-style-attr': [
|
|
(r'[^\s:="\[]+', Name.Attribute),
|
|
(r'#\{', String.Interpol, 'interpolation'),
|
|
(r'([ \t]*)([=:])', bygroups(Whitespace, 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', Whitespace, 'root'))
|
|
tokens['selector'].append((r'\n', Whitespace, 'root'))
|
|
|
|
|
|
class ScssLexer(RegexLexer):
|
|
"""
|
|
For SCSS stylesheets.
|
|
"""
|
|
|
|
name = 'SCSS'
|
|
url = 'https://sass-lang.com/'
|
|
aliases = ['scss']
|
|
filenames = ['*.scss']
|
|
mimetypes = ['text/x-scss']
|
|
version_added = ''
|
|
|
|
flags = re.IGNORECASE | re.DOTALL
|
|
tokens = {
|
|
'root': [
|
|
(r'\s+', Whitespace),
|
|
(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, Whitespace), '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', Whitespace), (r'[;{}]', Punctuation, '#pop')])
|
|
tokens['selector'].extend([(r'\n', Whitespace), (r'[;{}]', Punctuation, '#pop')])
|
|
|
|
|
|
class LessCssLexer(CssLexer):
|
|
"""
|
|
For LESS styleshets.
|
|
"""
|
|
|
|
name = 'LessCss'
|
|
url = 'http://lesscss.org/'
|
|
aliases = ['less']
|
|
filenames = ['*.less']
|
|
mimetypes = ['text/x-less-css']
|
|
version_added = '2.1'
|
|
|
|
tokens = {
|
|
'root': [
|
|
(r'@\w+', Name.Variable),
|
|
inherit,
|
|
],
|
|
'content': [
|
|
(r'\{', Punctuation, '#push'),
|
|
(r'//.*\n', Comment.Single),
|
|
inherit,
|
|
],
|
|
}
|