diff options
Diffstat (limited to 'lua/lexers/css.lua')
| -rw-r--r-- | lua/lexers/css.lua | 304 |
1 files changed, 153 insertions, 151 deletions
diff --git a/lua/lexers/css.lua b/lua/lexers/css.lua index 0fb88ec..de9fd96 100644 --- a/lua/lexers/css.lua +++ b/lua/lexers/css.lua @@ -1,166 +1,168 @@ --- Copyright 2006-2017 Mitchell mitchell.att.foicica.com. See LICENSE. +-- Copyright 2006-2022 Mitchell. See LICENSE. -- CSS LPeg lexer. -local l = require('lexer') -local token, word_match = l.token, l.word_match -local P, R, S, V = lpeg.P, lpeg.R, lpeg.S, lpeg.V +local lexer = require('lexer') +local token, word_match = lexer.token, lexer.word_match +local P, S = lpeg.P, lpeg.S -local M = {_NAME = 'css'} +local lex = lexer.new('css') -- Whitespace. -local ws = token(l.WHITESPACE, l.space^1) +lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1)) + +-- Properties. +lex:add_rule('property', token('property', word_match{ + -- CSS 1. + 'color', 'background-color', 'background-image', 'background-repeat', 'background-attachment', + 'background-position', 'background', 'font-family', 'font-style', 'font-variant', 'font-weight', + 'font-size', 'font', 'word-spacing', 'letter-spacing', 'text-decoration', 'vertical-align', + 'text-transform', 'text-align', 'text-indent', 'line-height', 'margin-top', 'margin-right', + 'margin-bottom', 'margin-left', 'margin', 'padding-top', 'padding-right', 'padding-bottom', + 'padding-left', 'padding', 'border-top-width', 'border-right-width', 'border-bottom-width', + 'border-left-width', 'border-width', 'border-top', 'border-right', 'border-bottom', 'border-left', + 'border', 'border-color', 'border-style', 'width', 'height', 'float', 'clear', 'display', + 'white-space', 'list-style-type', 'list-style-image', 'list-style-position', 'list-style', + -- CSS 2. + 'border-top-color', 'border-right-color', 'border-bottom-color', 'border-left-color', + 'border-color', 'border-top-style', 'border-right-style', 'border-bottom-style', + 'border-left-style', 'border-style', 'top', 'right', 'bottom', 'left', 'position', 'z-index', + 'direction', 'unicode-bidi', 'min-width', 'max-width', 'min-height', 'max-height', 'overflow', + 'clip', 'visibility', 'content', 'quotes', 'counter-reset', 'counter-increment', 'marker-offset', + 'size', 'marks', 'page-break-before', 'page-break-after', 'page-break-inside', 'page', 'orphans', + 'widows', 'font-stretch', 'font-size-adjust', 'unicode-range', 'units-per-em', 'src', 'panose-1', + 'stemv', 'stemh', 'slope', 'cap-height', 'x-height', 'ascent', 'descent', 'widths', 'bbox', + 'definition-src', 'baseline', 'centerline', 'mathline', 'topline', 'text-shadow', 'caption-side', + 'table-layout', 'border-collapse', 'border-spacing', 'empty-cells', 'speak-header', 'cursor', + 'outline', 'outline-width', 'outline-style', 'outline-color', 'volume', 'speak', 'pause-before', + 'pause-after', 'pause', 'cue-before', 'cue-after', 'cue', 'play-during', 'azimuth', 'elevation', + 'speech-rate', 'voice-family', 'pitch', 'pitch-range', 'stress', 'richness', 'speak-punctuation', + 'speak-numeral', + -- CSS 3. + 'flex', 'flex-basis', 'flex-direction', 'flex-flow', 'flex-grow', 'flex-shrink', 'flex-wrap', + 'align-content', 'align-items', 'align-self', 'justify-content', 'order', 'border-radius', + 'transition', 'transform', 'box-shadow', 'filter', 'opacity', 'resize', 'word-break', 'word-wrap', + 'box-sizing', 'animation', 'text-overflow' +})) +lex:add_style('property', lexer.styles.keyword) + +-- Values. +lex:add_rule('value', token('value', word_match{ + -- CSS 1. + 'auto', 'none', 'normal', 'italic', 'oblique', 'small-caps', 'bold', 'bolder', 'lighter', + 'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large', 'larger', 'smaller', + 'transparent', 'repeat', 'repeat-x', 'repeat-y', 'no-repeat', 'scroll', 'fixed', 'top', 'bottom', + 'left', 'center', 'right', 'justify', 'both', 'underline', 'overline', 'line-through', 'blink', + 'baseline', 'sub', 'super', 'text-top', 'middle', 'text-bottom', 'capitalize', 'uppercase', + 'lowercase', 'thin', 'medium', 'thick', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', + 'inset', 'outset', 'block', 'inline', 'list-item', 'pre', 'no-wrap', 'inside', 'outside', 'disc', + 'circle', 'square', 'decimal', 'lower-roman', 'upper-roman', 'lower-alpha', 'upper-alpha', 'aqua', + 'black', 'blue', 'fuchsia', 'gray', 'green', 'lime', 'maroon', 'navy', 'olive', 'purple', 'red', + 'silver', 'teal', 'white', 'yellow', + -- CSS 2. + 'inherit', 'run-in', 'compact', 'marker', 'table', 'inline-table', 'table-row-group', + 'table-header-group', 'table-footer-group', 'table-row', 'table-column-group', 'table-column', + 'table-cell', 'table-caption', 'static', 'relative', 'absolute', 'fixed', 'ltr', 'rtl', 'embed', + 'bidi-override', 'visible', 'hidden', 'scroll', 'collapse', 'open-quote', 'close-quote', + 'no-open-quote', 'no-close-quote', 'decimal-leading-zero', 'lower-greek', 'lower-latin', + 'upper-latin', 'hebrew', 'armenian', 'georgian', 'cjk-ideographic', 'hiragana', 'katakana', + 'hiragana-iroha', 'katakana-iroha', 'landscape', 'portrait', 'crop', 'cross', 'always', 'avoid', + 'wider', 'narrower', 'ultra-condensed', 'extra-condensed', 'condensed', 'semi-condensed', + 'semi-expanded', 'expanded', 'extra-expanded', 'ultra-expanded', 'caption', 'icon', 'menu', + 'message-box', 'small-caption', 'status-bar', 'separate', 'show', 'hide', 'once', 'crosshair', + 'default', 'pointer', 'move', 'text', 'wait', 'help', 'e-resize', 'ne-resize', 'nw-resize', + 'n-resize', 'se-resize', 'sw-resize', 's-resize', 'w-resize', 'ActiveBorder', 'ActiveCaption', + 'AppWorkspace', 'Background', 'ButtonFace', 'ButtonHighlight', 'ButtonShadow', + 'InactiveCaptionText', 'ButtonText', 'CaptionText', 'GrayText', 'Highlight', 'HighlightText', + 'InactiveBorder', 'InactiveCaption', 'InfoBackground', 'InfoText', 'Menu', 'MenuText', + 'Scrollbar', 'ThreeDDarkShadow', 'ThreeDFace', 'ThreeDHighlight', 'ThreeDLightShadow', + 'ThreeDShadow', 'Window', 'WindowFrame', 'WindowText', 'silent', 'x-soft', 'soft', 'medium', + 'loud', 'x-loud', 'spell-out', 'mix', 'left-side', 'far-left', 'center-left', 'center-right', + 'far-right', 'right-side', 'behind', 'leftwards', 'rightwards', 'below', 'level', 'above', + 'higher', 'lower', 'x-slow', 'slow', 'medium', 'fast', 'x-fast', 'faster', 'slower', 'male', + 'female', 'child', 'x-low', 'low', 'high', 'x-high', 'code', 'digits', 'continous', + -- CSS 3. + 'flex', 'row', 'column', 'ellipsis', 'inline-block' +})) +lex:add_style('value', lexer.styles.constant) + +-- Functions. +lex:add_rule('function', token(lexer.FUNCTION, word_match{ + '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', 'url', 'whiteness', 'var' +})) --- Comments. -local comment = token(l.COMMENT, '/*' * (l.any - '*/')^0 * P('*/')^-1) +-- Colors. +local xdigit = lexer.xdigit +lex:add_rule('color', token('color', word_match{ + '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', 'transparent', + 'turquoise', 'violet', 'wheat', 'white', 'whitesmoke', 'yellow', 'yellowgreen' +} + '#' * xdigit * xdigit * xdigit * (xdigit * xdigit * xdigit)^-1)) +lex:add_style('color', lexer.styles.number) + +-- Identifiers. +lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.alpha * (lexer.alnum + S('_-'))^0)) + +-- Pseudo classes and pseudo elements. +lex:add_rule('pseudoclass', ':' * token('pseudoclass', word_match{ + 'active', 'checked', 'disabled', 'empty', 'enabled', 'first-child', 'first-of-type', 'focus', + 'hover', 'in-range', 'invalid', 'lang', 'last-child', 'last-of-type', 'link', 'not', 'nth-child', + 'nth-last-child', 'nth-last-of-type', 'nth-of-type', 'only-of-type', 'only-child', 'optional', + 'out-of-range', 'read-only', 'read-write', 'required', 'root', 'target', 'valid', 'visited' +})) +lex:add_style('pseudoclass', lexer.styles.constant) +lex:add_rule('pseudoelement', '::' * + token('pseudoelement', word_match('after before first-letter first-line selection'))) +lex:add_style('pseudoelement', lexer.styles.constant) -- Strings. -local sq_str = l.delimited_range("'") -local dq_str = l.delimited_range('"') -local string = token(l.STRING, sq_str + dq_str) +local sq_str = lexer.range("'") +local dq_str = lexer.range('"') +lex:add_rule('string', token(lexer.STRING, sq_str + dq_str)) --- Numbers. -local number = token(l.NUMBER, l.digit^1) - --- Keywords. -local css1_property = word_match({ - 'color', 'background-color', 'background-image', 'background-repeat', - 'background-attachment', 'background-position', 'background', 'font-family', - 'font-style', 'font-variant', 'font-weight', 'font-size', 'font', - 'word-spacing', 'letter-spacing', 'text-decoration', 'vertical-align', - 'text-transform', 'text-align', 'text-indent', 'line-height', 'margin-top', - 'margin-right', 'margin-bottom', 'margin-left', 'margin', 'padding-top', - 'padding-right', 'padding-bottom', 'padding-left', 'padding', - 'border-top-width', 'border-right-width', 'border-bottom-width', - 'border-left-width', 'border-width', 'border-top', 'border-right', - 'border-bottom', 'border-left', 'border', 'border-color', 'border-style', - 'width', 'height', 'float', 'clear', 'display', 'white-space', - 'list-style-type', 'list-style-image', 'list-style-position', 'list-style' -}, '-') -local css1_value = word_match({ - 'auto', 'none', 'normal', 'italic', 'oblique', 'small-caps', 'bold', 'bolder', - 'lighter', 'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', - 'xx-large', 'larger', 'smaller', 'transparent', 'repeat', 'repeat-x', - 'repeat-y', 'no-repeat', 'scroll', 'fixed', 'top', 'bottom', 'left', 'center', - 'right', 'justify', 'both', 'underline', 'overline', 'line-through', 'blink', - 'baseline', 'sub', 'super', 'text-top', 'middle', 'text-bottom', 'capitalize', - 'uppercase', 'lowercase', 'thin', 'medium', 'thick', 'dotted', 'dashed', - 'solid', 'double', 'groove', 'ridge', 'inset', 'outset', 'block', 'inline', - 'list-item', 'pre', 'no-wrap', 'inside', 'outside', 'disc', 'circle', - 'square', 'decimal', 'lower-roman', 'upper-roman', 'lower-alpha', - 'upper-alpha', 'aqua', 'black', 'blue', 'fuchsia', 'gray', 'green', 'lime', - 'maroon', 'navy', 'olive', 'purple', 'red', 'silver', 'teal', 'white', - 'yellow' -}, '-') -local css2_property = word_match({ - 'border-top-color', 'border-right-color', 'border-bottom-color', - 'border-left-color', 'border-color', 'border-top-style', 'border-right-style', - 'border-bottom-style', 'border-left-style', 'border-style', 'top', 'right', - 'bottom', 'left', 'position', 'z-index', 'direction', 'unicode-bidi', - 'min-width', 'max-width', 'min-height', 'max-height', 'overflow', 'clip', - 'visibility', 'content', 'quotes', 'counter-reset', 'counter-increment', - 'marker-offset', 'size', 'marks', 'page-break-before', 'page-break-after', - 'page-break-inside', 'page', 'orphans', 'widows', 'font-stretch', - 'font-size-adjust', 'unicode-range', 'units-per-em', 'src', 'panose-1', - 'stemv', 'stemh', 'slope', 'cap-height', 'x-height', 'ascent', 'descent', - 'widths', 'bbox', 'definition-src', 'baseline', 'centerline', 'mathline', - 'topline', 'text-shadow', 'caption-side', 'table-layout', 'border-collapse', - 'border-spacing', 'empty-cells', 'speak-header', 'cursor', 'outline', - 'outline-width', 'outline-style', 'outline-color', 'volume', 'speak', - 'pause-before', 'pause-after', 'pause', 'cue-before', 'cue-after', 'cue', - 'play-during', 'azimuth', 'elevation', 'speech-rate', 'voice-family', 'pitch', - 'pitch-range', 'stress', 'richness', 'speak-punctuation', 'speak-numeral' -}, '-') -local css2_value = word_match({ - 'inherit', 'run-in', 'compact', 'marker', 'table', 'inline-table', - 'table-row-group', 'table-header-group', 'table-footer-group', 'table-row', - 'table-column-group', 'table-column', 'table-cell', 'table-caption', 'static', - 'relative', 'absolute', 'fixed', 'ltr', 'rtl', 'embed', 'bidi-override', - 'visible', 'hidden', 'scroll', 'collapse', 'open-quote', 'close-quote', - 'no-open-quote', 'no-close-quote', 'decimal-leading-zero', 'lower-greek', - 'lower-latin', 'upper-latin', 'hebrew', 'armenian', 'georgian', - 'cjk-ideographic', 'hiragana', 'katakana', 'hiragana-iroha', 'katakana-iroha', - 'landscape', 'portrait', 'crop', 'cross', 'always', 'avoid', 'wider', - 'narrower', 'ultra-condensed', 'extra-condensed', 'condensed', - 'semi-condensed', 'semi-expanded', 'expanded', 'extra-expanded', - 'ultra-expanded', 'caption', 'icon', 'menu', 'message-box', 'small-caption', - 'status-bar', 'separate', 'show', 'hide', 'once', 'crosshair', 'default', - 'pointer', 'move', 'text', 'wait', 'help', 'e-resize', 'ne-resize', - 'nw-resize', 'n-resize', 'se-resize', 'sw-resize', 's-resize', 'w-resize', - 'ActiveBorder', 'ActiveCaption', 'AppWorkspace', 'Background', 'ButtonFace', - 'ButtonHighlight', 'ButtonShadow', 'InactiveCaptionText', 'ButtonText', - 'CaptionText', 'GrayText', 'Highlight', 'HighlightText', 'InactiveBorder', - 'InactiveCaption', 'InfoBackground', 'InfoText', 'Menu', 'MenuText', - 'Scrollbar', 'ThreeDDarkShadow', 'ThreeDFace', 'ThreeDHighlight', - 'ThreeDLightShadow', 'ThreeDShadow', 'Window', 'WindowFrame', 'WindowText', - 'silent', 'x-soft', 'soft', 'medium', 'loud', 'x-loud', 'spell-out', 'mix', - 'left-side', 'far-left', 'center-left', 'center-right', 'far-right', - 'right-side', 'behind', 'leftwards', 'rightwards', 'below', 'level', 'above', - 'higher', 'lower', 'x-slow', 'slow', 'medium', 'fast', 'x-fast', 'faster', - 'slower', 'male', 'female', 'child', 'x-low', 'low', 'high', 'x-high', 'code', - 'digits', 'continous' -}, '-') -local property = token(l.KEYWORD, css1_property + css2_property) -local value = token('value', css1_value + css2_value) -local keyword = property + value +-- Comments. +lex:add_rule('comment', token(lexer.COMMENT, lexer.range('/*', '*/'))) --- Identifiers. -local identifier = token(l.IDENTIFIER, l.alpha * (l.alnum + S('_-'))^0) +-- Numbers. +local unit = token('unit', word_match( + 'ch cm deg dpcm dpi dppx em ex grad Hz in kHz mm ms pc pt px q rad rem s turn vh vmax vmin vw')) +lex:add_style('unit', lexer.styles.number) +lex:add_rule('number', token(lexer.NUMBER, lexer.dec_num) * unit^-1) -- Operators. -local operator = token(l.OPERATOR, S('~!#*>+=|.,:;()[]{}')) +lex:add_rule('operator', token(lexer.OPERATOR, S('~!#*>+=|.,:;()[]{}'))) -- At rule. -local at_rule = token('at_rule', P('@') * word_match{ - 'charset', 'font-face', 'media', 'page', 'import' -}) +lex:add_rule('at_rule', token('at_rule', '@' * + word_match('charset font-face media page import namespace keyframes'))) +lex:add_style('at_rule', lexer.styles.preprocessor) --- Colors. -local xdigit = l.xdigit -local hex_color = '#' * xdigit * xdigit * xdigit * (xdigit * xdigit * xdigit)^-1 -local color_name = word_match{ - 'aqua', 'black', 'blue', 'fuchsia', 'gray', 'green', 'lime', 'maroon', 'navy', - 'olive', 'orange', 'purple', 'red', 'silver', 'teal', 'white', 'yellow' -} -local color = token('color', hex_color + color_name) - --- Pseudo. -local pseudo = token(l.CONSTANT, word_match({ - -- Pseudo elements. - 'first-line', 'first-letter', 'before', 'after', - -- Pseudo classes. - 'first-child', 'link', 'visited', 'hover', 'active', 'focus', 'lang', -}, '-')) - --- Units. -local unit = token('unit', word_match{ - 'em', 'ex', 'px', 'pt', 'pc', 'in', 'ft', 'mm', 'cm', 'kHz', 'Hz', 'deg', - 'rad', 'grad', 'ms', 's' -} + '%') - -M._rules = { - {'whitespace', ws}, - {'keyword', keyword}, - {'pseudo', pseudo}, - {'color', color}, - {'identifier', identifier}, - {'string', string}, - {'comment', comment}, - {'number', number * unit^-1}, - {'operator', operator}, - {'at_rule', at_rule}, -} - -M._tokenstyles = { - unit = l.STYLE_LABEL, - value = l.STYLE_CONSTANT, - color = l.STYLE_NUMBER, - at_rule = l.STYLE_PREPROCESSOR -} - -M._foldsymbols = { - _patterns = {'[{}]', '/%*', '%*/'}, - [l.OPERATOR] = {['{'] = 1, ['}'] = -1}, - [l.COMMENT] = {['/*'] = 1, ['*/'] = -1} -} - -return M +-- Fold points. +lex:add_fold_point(lexer.OPERATOR, '{', '}') +lex:add_fold_point(lexer.COMMENT, '/*', '*/') + +return lex |