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""" pygments.lexers.css ~~~~~~~~~~~~~~~~~~~ Lexers for CSS and related stylesheet formats. :copyright: Copyright 2006-2023 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 Comment, Operator, Keyword, Name, String, Number, \ Punctuation, Whitespace from pygments.lexers._css_builtins import _css_properties __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 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 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 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' url = 'https://www.w3.org/TR/CSS/#css' aliases = ['css'] filenames = ['*.css'] mimetypes = ['text/css'] tokens = { 'root': [ include('basics'), ], 'basics': [ (r'\s+', Whitespace), (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+', Whitespace), (r'\}', Punctuation, '#pop'), (r';', Punctuation), (r'^@.*?$', Comment.Preproc), (words(_vendor_prefixes,), Keyword.Pseudo), (r'('+r'|'.join(_css_properties)+r')(\s*)(\:)', bygroups(Keyword, Whitespace, Punctuation), 'value-start'), (r'([-]+[a-zA-Z_][\w-]*)(\s*)(\:)', bygroups(Name.Variable, Whitespace, Punctuation), 'value-start'), (r'([a-zA-Z_][\w-]*)(\s*)(\:)', bygroups(Name, Whitespace, Punctuation), 'value-start'), (r'/\*(?:.|\n)*?\*/', Comment), ], 'value-start': [ (r'\s+', Whitespace), (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+', Whitespace), (r'[-]+([A-Za-z][\w+]*[-]*)+', Name.Variable), 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'$', Punctuation, '#pop'), ], 'urls': [ (r'(url)($)(".*?")($)', bygroups(Name.Builtin, Punctuation, String.Double, Punctuation)), (r"(url)($)('.*?')($)", bygroups(Name.Builtin, Punctuation, String.Single, Punctuation)), (r'(url)($)(.*?)($)', bygroups(Name.Builtin, Punctuation, String.Other, Punctuation)), ], 'numeric-values': [ (r'\#[a-zA-Z0-9]{1,6}', Number.Hex), (r'[+\-]?[0-9]*[.][0-9]+', Number.Float, 'numeric-end'), (r'[+\-]?[0-9]+', Number.Integer, 'numeric-end'), ], 'numeric-end': [ (words(_all_units, suffix=r'\b'), Keyword.Type), (r'%', Keyword.Type), default('#pop'), ], } common_sass_tokens = { 'value': [ (r'[ \t]+', Whitespace), (r'[!$][\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]+', 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. .. versionadded:: 1.3 """ name = 'Sass' url = 'https://sass-lang.com/' aliases = ['sass'] filenames = ['*.sass'] mimetypes = ['text/x-sass'] 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'] 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. .. versionadded:: 2.1 """ name = 'LessCss' url = 'http://lesscss.org/' aliases = ['less'] filenames = ['*.less'] mimetypes = ['text/x-less-css'] tokens = { 'root': [ (r'@\w+', Name.Variable), inherit, ], 'content': [ (r'\{', Punctuation, '#push'), (r'//.*\n', Comment.Single), inherit, ], }