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css-tree - npm Package Compare versions
Comparing version 1.0.0-alpha.30 to 1.0.0-alpha.31
@@ -0,1 +1,15 @@ | ||
| ## 1.0.0-alpha.31 (July 11, 2019) | ||
| - Bumped `mdn/data` to `2.0.4` (#99) | ||
| - Lexer | ||
| - Added [bracketed range notation](https://drafts.csswg.org/css-values-4/#numeric-ranges) support and related refactoring | ||
| - Removed `<number-zero-one>`, `<number-one-or-greater>` and `<positive-integer>` from generic types. In fact, types moved to patch, because those types can be expressed in a regular grammar due to bracketed range notation implemented | ||
| - Added support for multiple token string matching | ||
| - Improved `<custom-ident>` production matching to claim the keyword only if no other unfulfilled production can claim it (#101) | ||
| - Improved `<length>` production matching to claim "unitless zero" only if no other unfulfilled production can claim it | ||
| - Changed lexer's constructor to prevent generic types override when used | ||
| - Fixed large `||`- and `&&`-group matching, matching continues from the beginning on term match (#85) | ||
| - Fixed checking that value has `var()` occurrences when value is a string (such values can't be matched on syntax currently and fail with specific error that can be used for ignorance in validation tools) | ||
| - Fixed `<declaration-value>` and `<any-value>` matching when a value contains a function, parentheses or braces | ||
| ## 1.0.0-alpha.30 (July 3, 2019) | ||
@@ -2,0 +16,0 @@ |
@@ -245,6 +245,2 @@ { | ||
| }, | ||
| "line-height-step": { | ||
| "comment": "fix extra spaces around", | ||
| "syntax": "none | <length>" | ||
| }, | ||
| "marker": { | ||
@@ -292,4 +288,7 @@ "comment": "added SVG property", | ||
| "comment": "extend by vendor keywords https://developer.mozilla.org/en-US/docs/Web/CSS/overflow", | ||
| "syntax": "visible | hidden | scroll | auto | <-non-standard-overflow>" | ||
| "syntax": "[ visible | hidden | clip | scroll | auto ]{1,2} | <-non-standard-overflow>" | ||
| }, | ||
| "line-height": { | ||
| "syntax": "normal | <length> | <number> | <percentage>" | ||
| }, | ||
| "pause": { | ||
@@ -319,14 +318,2 @@ "comment": "https://www.w3.org/TR/css3-speech/#property-index", | ||
| }, | ||
| "scroll-margin-inline": { | ||
| "comment": "temporary, since test fails", | ||
| "syntax": "[ auto | <length> | <percentage> ]{1,2}" | ||
| }, | ||
| "scroll-padding-block": { | ||
| "comment": "temporary, since test fails", | ||
| "syntax": "[ auto | <length> | <percentage> ]{1,2}" | ||
| }, | ||
| "scroll-padding-inline": { | ||
| "comment": "temporary, since test fails", | ||
| "syntax": "[ auto | <length> | <percentage> ]{1,2}" | ||
| }, | ||
| "shape-rendering": { | ||
@@ -414,6 +401,2 @@ "comment": "added SVG property", | ||
| }, | ||
| "transform-origin": { | ||
| "comment": "move first group to the end since less collecting", | ||
| "syntax": "[ [ <length-percentage> | left | center | right ] && [ <length-percentage> | top | center | bottom ] ] <length>? | [ <length-percentage> | left | center | right | top | bottom ]" | ||
| }, | ||
| "unicode-bidi": { | ||
@@ -459,6 +442,2 @@ "comment": "added prefixed keywords https://developer.mozilla.org/en-US/docs/Web/CSS/unicode-bidi", | ||
| }, | ||
| "word-break": { | ||
| "comment": "extend with non-standard keywords", | ||
| "syntax": "normal | break-all | keep-all | <-non-standard-word-break>" | ||
| }, | ||
| "writing-mode": { | ||
@@ -533,6 +512,2 @@ "comment": "extend with SVG keywords", | ||
| }, | ||
| "-non-standard-word-break": { | ||
| "comment": "non-standard keywords https://css-tricks.com/almanac/properties/w/word-break/", | ||
| "syntax": "break-word" | ||
| }, | ||
| "-webkit-gradient()": { | ||
@@ -623,4 +598,4 @@ "comment": "first Apple proposal gradient syntax https://webkit.org/blog/175/introducing-css-gradients/ - TODO: simplify when after match algorithm improvement ( [, point, radius | , point] -> [, radius]? , point )", | ||
| "gradient": { | ||
| "comment": "added -webkit-gradient() since may to be used for legacy support", | ||
| "syntax": "<-legacy-gradient> | <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>" | ||
| "comment": "added legacy syntaxes support", | ||
| "syntax": "<linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()> | <conic-gradient()> | <-legacy-gradient>" | ||
| }, | ||
@@ -635,10 +610,2 @@ "left": { | ||
| }, | ||
| "matrix()": { | ||
| "comment": "redundant max", | ||
| "syntax": "matrix( <number>#{6} )" | ||
| }, | ||
| "matrix3d()": { | ||
| "comment": "redundant max", | ||
| "syntax": "matrix3d( <number>#{16} )" | ||
| }, | ||
| "name-repeat": { | ||
@@ -672,6 +639,2 @@ "comment": "missed, and looks like obsolete, keep it as is since other property syntaxes should be changed too; https://www.w3.org/TR/2015/WD-css-grid-1-20150917/#typedef-name-repeat", | ||
| }, | ||
| "single-transition": { | ||
| "comment": "moved <timing-function> in the beginning to avoid wrong match to <single-transition-property>", | ||
| "syntax": "<timing-function> || [ none | <single-transition-property> ] || <time> || <time>" | ||
| }, | ||
| "svg-length": { | ||
@@ -719,4 +682,13 @@ "comment": "All coordinates and lengths in SVG can be specified with or without a unit identifier", | ||
| "syntax": "<ident> | <function-token> <any-value> )" | ||
| }, | ||
| "number-zero-one": { | ||
| "syntax": "<number [0,1]>" | ||
| }, | ||
| "number-one-or-greater": { | ||
| "syntax": "<number [1,∞]>" | ||
| }, | ||
| "positive-integer": { | ||
| "syntax": "<integer [0,∞]>" | ||
| } | ||
| } | ||
| } |
@@ -1,1 +0,1 @@ | ||
| {"generic":true,"types":{"id-selector":"<hash-token>","absolute-size":"xx-small | x-small | small | medium | large | x-large | xx-large","alpha-value":"<number> | <percentage>","angle-percentage":"<angle> | <percentage>","angular-color-hint":"<angle-percentage>","angular-color-stop":"<color> && <color-stop-angle>?","angular-color-stop-list":"[ <angular-color-stop> [, <angular-color-hint> ]? ]# , <angular-color-stop>","animateable-feature":"scroll-position | contents | <custom-ident>","attachment":"scroll | fixed | local","attr()":"attr( <attr-name> <type-or-unit>? [, <attr-fallback> ]? )","attr-matcher":"[ '~' | '|' | '^' | '$' | '*' ]? '='","attr-modifier":"i | s","attribute-selector":"'[' <wq-name> ']' | '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'","auto-repeat":"repeat( [ auto-fill | auto-fit ] , [ <line-names>? <fixed-size> ]+ <line-names>? )","auto-track-list":"[ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>? <auto-repeat> [ <line-names>? [ <fixed-size> | <fixed-repeat> ] ]* <line-names>?","baseline-position":"[ first | last ]? baseline","basic-shape":"<inset()> | <circle()> | <ellipse()> | <polygon()>","bg-image":"none | <image>","bg-layer":"<bg-image> || <bg-position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box>","bg-position":"[ [ left | center | right | top | bottom | <length-percentage> ] | [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ] | [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ] ]","bg-size":"[ <length-percentage> | auto ]{1,2} | cover | contain","blur()":"blur( <length> )","blend-mode":"normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity","box":"border-box | padding-box | content-box","brightness()":"brightness( <number-percentage> )","calc()":"calc( <calc-sum> )","calc-sum":"<calc-product> [ [ '+' | '-' ] <calc-product> ]*","calc-product":"<calc-value> [ '*' <calc-value> | '/' <number> ]*","calc-value":"<number> | <dimension> | <percentage> | ( <calc-sum> )","cf-final-image":"<image> | <color>","cf-mixing-image":"<percentage>? && <image>","circle()":"circle( [ <shape-radius> ]? [ at <position> ]? )","clamp()":"clamp( <calc-sum>#{3} )","class-selector":"'.' <ident-token>","clip-source":"<url>","color":"<rgb()> | <rgba()> | <hsl()> | <hsla()> | <hex-color> | <named-color> | currentcolor | <deprecated-system-color>","color-stop":"<color-stop-length> | <color-stop-angle>","color-stop-angle":"<angle-percentage>{1,2}","color-stop-length":"<length-percentage>{1,2}","color-stop-list":"[ <linear-color-stop> [, <linear-color-hint> ]? ]# , <linear-color-stop>","combinator":"'>' | '+' | '~' | [ '||' ]","common-lig-values":"[ common-ligatures | no-common-ligatures ]","compat":"searchfield | textarea | push-button | button-bevel | slider-horizontal | checkbox | radio | square-button | menulist | menulist-button | listbox | meter | progress-bar","composite-style":"clear | copy | source-over | source-in | source-out | source-atop | destination-over | destination-in | destination-out | destination-atop | xor","compositing-operator":"add | subtract | intersect | exclude","compound-selector":"[ <type-selector>? <subclass-selector>* [ <pseudo-element-selector> <pseudo-class-selector>* ]* ]!","compound-selector-list":"<compound-selector>#","complex-selector":"<compound-selector> [ <combinator>? <compound-selector> ]*","complex-selector-list":"<complex-selector>#","conic-gradient()":"conic-gradient( [ from <angle> ]? [ at <position> ]? , <angular-color-stop-list> )","contextual-alt-values":"[ contextual | no-contextual ]","content-distribution":"space-between | space-around | space-evenly | stretch","content-list":"[ <string> | contents | <url> | <quote> | <attr()> | counter( <ident> , <'list-style-type'>? ) ]+","content-position":"center | start | end | flex-start | flex-end","content-replacement":"<image>","contrast()":"contrast( [ <number-percentage> ] )","counter()":"counter( <custom-ident> , [ <counter-style> | none ]? )","counter-style":"<counter-style-name> | symbols( )","counter-style-name":"<custom-ident>","counters()":"counters( <custom-ident> , <string> , [ <counter-style> | none ]? )","cross-fade()":"cross-fade( <cf-mixing-image> , <cf-final-image>? )","cubic-bezier-timing-function":"ease | ease-in | ease-out | ease-in-out | cubic-bezier( <number> , <number> , <number> , <number> )","deprecated-system-color":"ActiveBorder | ActiveCaption | AppWorkspace | Background | ButtonFace | ButtonHighlight | ButtonShadow | ButtonText | CaptionText | GrayText | Highlight | HighlightText | InactiveBorder | InactiveCaption | InactiveCaptionText | InfoBackground | InfoText | Menu | MenuText | Scrollbar | ThreeDDarkShadow | ThreeDFace | ThreeDHighlight | ThreeDLightShadow | ThreeDShadow | Window | WindowFrame | WindowText","discretionary-lig-values":"[ discretionary-ligatures | no-discretionary-ligatures ]","display-box":"contents | none","display-inside":"flow | flow-root | table | flex | grid | ruby","display-internal":"table-row-group | table-header-group | table-footer-group | table-row | table-cell | table-column-group | table-column | table-caption | ruby-base | ruby-text | ruby-base-container | ruby-text-container","display-legacy":"inline-block | inline-list-item | inline-table | inline-flex | inline-grid","display-listitem":"<display-outside>? && [ flow | flow-root ]? && list-item","display-outside":"block | inline | run-in","drop-shadow()":"drop-shadow( <length>{2,3} <color>? )","east-asian-variant-values":"[ jis78 | jis83 | jis90 | jis04 | simplified | traditional ]","east-asian-width-values":"[ full-width | proportional-width ]","element()":"element( <id-selector> )","ellipse()":"ellipse( [ <shape-radius>{2} ]? [ at <position> ]? )","ending-shape":"circle | ellipse","env()":"env( <custom-ident> , <declaration-value>? )","explicit-track-list":"[ <line-names>? <track-size> ]+ <line-names>?","family-name":"<string> | <custom-ident>+","feature-tag-value":"<string> [ <integer> | on | off ]?","feature-type":"@stylistic | @historical-forms | @styleset | @character-variant | @swash | @ornaments | @annotation","feature-value-block":"<feature-type> '{' <feature-value-declaration-list> '}'","feature-value-block-list":"<feature-value-block>+","feature-value-declaration":"<custom-ident> : <integer>+ ;","feature-value-declaration-list":"<feature-value-declaration>","feature-value-name":"<custom-ident>","fill-rule":"nonzero | evenodd","filter-function":"<blur()> | <brightness()> | <contrast()> | <drop-shadow()> | <grayscale()> | <hue-rotate()> | <invert()> | <opacity()> | <saturate()> | <sepia()>","filter-function-list":"[ <filter-function> | <url> ]+","final-bg-layer":"<'background-color'> || <bg-image> || <bg-position> [ / <bg-size> ]? || <repeat-style> || <attachment> || <box> || <box>","fit-content()":"fit-content( [ <length> | <percentage> ] )","fixed-breadth":"<length-percentage>","fixed-repeat":"repeat( [ <positive-integer> ] , [ <line-names>? <fixed-size> ]+ <line-names>? )","fixed-size":"<fixed-breadth> | minmax( <fixed-breadth> , <track-breadth> ) | minmax( <inflexible-breadth> , <fixed-breadth> )","font-stretch-absolute":"normal | ultra-condensed | extra-condensed | condensed | semi-condensed | semi-expanded | expanded | extra-expanded | ultra-expanded | <percentage>","font-variant-css21":"[ normal | small-caps ]","font-weight-absolute":"normal | bold | <number>","frequency-percentage":"<frequency> | <percentage>","general-enclosed":"[ <function-token> <any-value> ) ] | ( <ident> <any-value> )","generic-family":"serif | sans-serif | cursive | fantasy | monospace | -apple-system","generic-name":"serif | sans-serif | cursive | fantasy | monospace","geometry-box":"<shape-box> | fill-box | stroke-box | view-box","gradient":"<-legacy-gradient> | <linear-gradient()> | <repeating-linear-gradient()> | <radial-gradient()> | <repeating-radial-gradient()>","grayscale()":"grayscale( <number-percentage> )","grid-line":"auto | <custom-ident> | [ <integer> && <custom-ident>? ] | [ span && [ <integer> || <custom-ident> ] ]","historical-lig-values":"[ historical-ligatures | no-historical-ligatures ]","hsl()":"hsl( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsl( <hue> , <percentage> , <percentage> , <alpha-value>? )","hsla()":"hsla( <hue> <percentage> <percentage> [ / <alpha-value> ]? ) | hsla( <hue> , <percentage> , <percentage> , <alpha-value>? )","hue":"<number> | <angle>","hue-rotate()":"hue-rotate( <angle> )","image":"<url> | <image()> | <image-set()> | <element()> | <cross-fade()> | <gradient>","image()":"image( <image-tags>? [ <image-src>? , <color>? ]! )","image-set()":"image-set( <image-set-option># )","image-set-option":"[ <image> | <string> ] <resolution>","image-src":"<url> | <string>","image-tags":"ltr | rtl","inflexible-breadth":"<length> | <percentage> | min-content | max-content | auto","inset()":"inset( <length-percentage>{1,4} [ round <'border-radius'> ]? )","invert()":"invert( <number-percentage> )","keyframes-name":"<custom-ident> | <string>","keyframe-block":"<keyframe-selector># { <declaration-list> }","keyframe-block-list":"<keyframe-block>+","keyframe-selector":"from | to | <percentage>","leader()":"leader( <leader-type> )","leader-type":"dotted | solid | space | <string>","length-percentage":"<length> | <percentage>","line-names":"'[' <custom-ident>* ']'","line-name-list":"[ <line-names> | <name-repeat> ]+","line-style":"none | hidden | dotted | dashed | solid | double | groove | ridge | inset | outset","line-width":"<length> | thin | medium | thick","linear-color-hint":"<length-percentage>","linear-color-stop":"<color> && <color-stop-length>","linear-gradient()":"linear-gradient( [ <angle> | to <side-or-corner> ]? , <color-stop-list> )","mask-layer":"<mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> || <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator> || <masking-mode>","mask-position":"[ <length-percentage> | left | center | right ] [ <length-percentage> | top | center | bottom ]?","mask-reference":"none | <image> | <mask-source>","mask-source":"<url>","masking-mode":"alpha | luminance | match-source","matrix()":"matrix( <number>#{6} )","matrix3d()":"matrix3d( <number>#{16} )","max()":"max( <calc-sum># )","media-and":"<media-in-parens> [ and <media-in-parens> ]+","media-condition":"<media-not> | <media-and> | <media-or> | <media-in-parens>","media-condition-without-or":"<media-not> | <media-and> | <media-in-parens>","media-feature":"( [ <mf-plain> | <mf-boolean> | <mf-range> ] )","media-in-parens":"( <media-condition> ) | <media-feature> | <general-enclosed>","media-not":"not <media-in-parens>","media-or":"<media-in-parens> [ or <media-in-parens> ]+","media-query":"<media-condition> | [ not | only ]? <media-type> [ and <media-condition-without-or> ]?","media-query-list":"<media-query>#","media-type":"<ident>","mf-boolean":"<mf-name>","mf-name":"<ident>","mf-plain":"<mf-name> : <mf-value>","mf-range":"<mf-name> [ '<' | '>' ]? '='? <mf-value> | <mf-value> [ '<' | '>' ]? '='? <mf-name> | <mf-value> '<' '='? <mf-name> '<' '='? <mf-value> | <mf-value> '>' '='? <mf-name> '>' '='? <mf-value>","mf-value":"<number> | <dimension> | <ident> | <ratio>","min()":"min( <calc-sum># )","minmax()":"minmax( [ <length> | <percentage> | <flex> | min-content | max-content | auto ] , [ <length> | <percentage> | <flex> | min-content | max-content | auto ] )","named-color":"transparent | 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 | <-non-standard-color>","namespace-prefix":"<ident>","ns-prefix":"[ <ident-token> | '*' ]? '|'","number-percentage":"<number> | <percentage>","numeric-figure-values":"[ lining-nums | oldstyle-nums ]","numeric-fraction-values":"[ diagonal-fractions | stacked-fractions ]","numeric-spacing-values":"[ proportional-nums | tabular-nums ]","nth":"<an-plus-b> | even | odd","opacity()":"opacity( [ <number-percentage> ] )","overflow-position":"unsafe | safe","outline-radius":"<length> | <percentage>","page-body":"<declaration>? 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| local( <family-name> ) ]#","speak":"auto | none | normal","speak-as":"normal | spell-out || digits || [ literal-punctuation | no-punctuation ]","stroke":"<paint>","stroke-dasharray":"none | [ <svg-length>+ ]#","stroke-dashoffset":"<svg-length>","stroke-linecap":"butt | round | square","stroke-linejoin":"miter | round | bevel","stroke-miterlimit":"<number-one-or-greater>","stroke-opacity":"<number-zero-one>","stroke-width":"<svg-length>","text-anchor":"start | middle | end","unicode-range":"<urange>#","voice-balance":"<number> | left | center | right | leftwards | rightwards","voice-duration":"auto | <time>","voice-family":"[ [ <family-name> | <generic-voice> ] , ]* [ <family-name> | <generic-voice> ] | preserve","voice-pitch":"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]","voice-range":"<frequency> && absolute | [ [ x-low | low | medium | high | x-high ] || [ <frequency> | <semitones> | <percentage> ] ]","voice-rate":"[ normal | x-slow | slow | medium | fast | x-fast ] || <percentage>","voice-stress":"normal | strong | moderate | none | reduced","voice-volume":"silent | [ [ x-soft | soft | medium | loud | x-loud ] || <decibel> ]"}} |
@@ -110,2 +110,26 @@ var tokenizerUtils = require('../tokenizer/utils'); | ||
| function outOfRange(opts, value, numEnd) { | ||
| if (opts && opts.type === 'Range') { | ||
| var num = Number( | ||
| numEnd !== undefined && numEnd !== value.length | ||
| ? value.substr(0, numEnd) | ||
| : value | ||
| ); | ||
| if (isNaN(num)) { | ||
| return true; | ||
| } | ||
| if (opts.min !== null && num < opts.min) { | ||
| return true; | ||
| } | ||
| if (opts.max !== null && num > opts.max) { | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
| function consumeFunction(token, getNextToken) { | ||
@@ -131,3 +155,3 @@ var startIdx = token.index; | ||
| function calc(next) { | ||
| return function(token, getNextToken) { | ||
| return function(token, getNextToken, opts) { | ||
| if (token === null) { | ||
@@ -141,3 +165,3 @@ return 0; | ||
| return next(token, getNextToken); | ||
| return next(token, getNextToken, opts); | ||
| }; | ||
@@ -286,3 +310,3 @@ } | ||
| case TYPE.RightSquareBracket: | ||
| if (token.balance > token.index || token.balance <= startIdx) { | ||
| if (token.balance > token.index || token.balance < startIdx) { | ||
| break scan; | ||
@@ -355,3 +379,3 @@ } | ||
| case TYPE.RightSquareBracket: | ||
| if (token.balance > token.index || token.balance <= startIdx) { | ||
| if (token.balance > token.index || token.balance < startIdx) { | ||
| break scan; | ||
@@ -379,15 +403,25 @@ } | ||
| function dimension(type) { | ||
| return function(token) { | ||
| return function(token, getNextToken, opts) { | ||
| debugger; | ||
| if (token === null || token.type !== TYPE.Dimension) { | ||
| return false; | ||
| return 0; | ||
| } | ||
| var numberEnd = consumeNumber(token.value, 0); | ||
| // check for IE postfix hack, i.e. 123px\0 or 123px\9 | ||
| var reverseSolidusOffset = token.value.indexOf('\\', numberEnd); | ||
| var unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset) | ||
| ? token.value.substr(numberEnd) | ||
| : token.value.substring(numberEnd, reverseSolidusOffset); | ||
| if (!type.hasOwnProperty(unit.toLowerCase())) { | ||
| // check unit | ||
| if (type !== null) { | ||
| // check for IE postfix hack, i.e. 123px\0 or 123px\9 | ||
| var reverseSolidusOffset = token.value.indexOf('\\', numberEnd); | ||
| var unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset) | ||
| ? token.value.substr(numberEnd) | ||
| : token.value.substring(numberEnd, reverseSolidusOffset); | ||
| if (type.hasOwnProperty(unit.toLowerCase()) === false) { | ||
| return 0; | ||
| } | ||
| } | ||
| // check range if specified | ||
| if (outOfRange(opts, token.value, numberEnd)) { | ||
| return 0; | ||
@@ -401,5 +435,29 @@ } | ||
| // ========================= | ||
| // Percentage | ||
| // | ||
| // §5.5. Percentages: the <percentage> type | ||
| // https://drafts.csswg.org/css-values-4/#percentages | ||
| function percentage(token, getNextToken, opts) { | ||
| // ... corresponds to the <percentage-token> production | ||
| if (token === null || token.type !== TYPE.Percentage) { | ||
| return 0; | ||
| } | ||
| // check range if specified | ||
| if (outOfRange(opts, token.value, token.value.length - 1)) { | ||
| return 0; | ||
| } | ||
| return 1; | ||
| } | ||
| // ========================= | ||
| // Numeric | ||
| // | ||
| // https://drafts.csswg.org/css-values-4/#numbers | ||
| // The value <zero> represents a literal number with the value 0. Expressions that merely | ||
| // evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>; | ||
| // only literal <number-token>s do. | ||
| function zero(next) { | ||
@@ -412,3 +470,3 @@ if (typeof next !== 'function') { | ||
| return function(token, getNextToken) { | ||
| return function(token, getNextToken, opts) { | ||
| if (token !== null && token.type === TYPE.Number) { | ||
@@ -420,7 +478,11 @@ if (Number(token.value) === 0) { | ||
| return next(token, getNextToken); | ||
| return next(token, getNextToken, opts); | ||
| }; | ||
| } | ||
| function number(token) { | ||
| // § 5.3. Real Numbers: the <number> type | ||
| // https://drafts.csswg.org/css-values-4/#numbers | ||
| // Number values are denoted by <number>, and represent real numbers, possibly with a fractional component. | ||
| // ... It corresponds to the <number-token> production | ||
| function number(token, getNextToken, opts) { | ||
| if (token === null) { | ||
@@ -431,23 +493,19 @@ return 0; | ||
| var numberEnd = consumeNumber(token.value, 0); | ||
| if (numberEnd !== token.value.length && !isPostfixIeHack(token.value, numberEnd)) { | ||
| var isNumber = numberEnd === token.value.length; | ||
| if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) { | ||
| return 0; | ||
| } | ||
| return 1; | ||
| } | ||
| function numberZeroOne(token) { | ||
| if (token === null || token.type !== TYPE.Number) { | ||
| // check range if specified | ||
| if (outOfRange(opts, token.value, numberEnd)) { | ||
| return 0; | ||
| } | ||
| var value = Number(token.value); | ||
| if (value < 0 || value > 1) { | ||
| return 0; | ||
| } | ||
| return 1; | ||
| } | ||
| function numberOneOrGreater(token) { | ||
| // §5.2. Integers: the <integer> type | ||
| // https://drafts.csswg.org/css-values-4/#integers | ||
| function integer(token, getNextToken, opts) { | ||
| // ... corresponds to a subset of the <number-token> production | ||
| if (token === null || token.type !== TYPE.Number) { | ||
@@ -457,17 +515,15 @@ return 0; | ||
| var value = Number(token.value); | ||
| if (value < 1) { | ||
| return 0; | ||
| } | ||
| // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign. | ||
| var i = token.value.charCodeAt(0) === 0x002B || // U+002B PLUS SIGN (+) | ||
| token.value.charCodeAt(0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-) | ||
| return 1; | ||
| } | ||
| // TODO: fail on 10e-2 | ||
| function integer(token) { | ||
| if (token === null || token.type !== TYPE.Number) { | ||
| return 0; | ||
| // When written literally, an integer is one or more decimal digits 0 through 9 ... | ||
| for (; i < token.value.length; i++) { | ||
| if (!isDigit(token.value.charCodeAt(i))) { | ||
| return 0; | ||
| } | ||
| } | ||
| if (token.value.indexOf('.') !== -1) { | ||
| // check range if specified | ||
| if (outOfRange(opts, token.value, i)) { | ||
| return 0; | ||
@@ -479,16 +535,2 @@ } | ||
| function positiveInteger(token) { | ||
| if (token === null || token.type !== TYPE.Number) { | ||
| return 0; | ||
| } | ||
| for (var i = 0; i < token.value.length; i++) { | ||
| if (!isDigit(token.value.charCodeAt(i))) { | ||
| return 0; | ||
| } | ||
| } | ||
| return 1; | ||
| } | ||
| module.exports = { | ||
@@ -522,3 +564,2 @@ // token types | ||
| // token type aliases | ||
| 'dimension': tokenType(TYPE.Dimension), | ||
| 'string': tokenType(TYPE.String), | ||
@@ -538,2 +579,3 @@ 'ident': tokenType(TYPE.Ident), | ||
| // dimensions | ||
| 'dimension': calc(dimension(null)), | ||
| 'angle': calc(dimension(ANGLE)), | ||
@@ -544,3 +586,2 @@ 'decibel': calc(dimension(DECIBEL)), | ||
| 'length': calc(zero(dimension(LENGTH))), | ||
| 'percentage': calc(tokenType(TYPE.Percentage)), | ||
| 'resolution': calc(dimension(RESOLUTION)), | ||
@@ -550,9 +591,9 @@ 'semitones': calc(dimension(SEMITONES)), | ||
| // percentage | ||
| 'percentage': calc(percentage), | ||
| // numeric | ||
| 'zero': zero(), | ||
| 'number': calc(number), | ||
| 'number-zero-one': calc(numberZeroOne), | ||
| 'number-one-or-greater': calc(numberOneOrGreater), | ||
| 'integer': calc(integer), | ||
| 'positive-integer': calc(positiveInteger), | ||
@@ -559,0 +600,0 @@ // old IE stuff |
@@ -31,2 +31,18 @@ function noop(value) { | ||
| function generateTypeOpts(node) { | ||
| switch (node.type) { | ||
| case 'Range': | ||
| return ( | ||
| ' [' + | ||
| (node.min === null ? '-∞' : node.min) + | ||
| ',' + | ||
| (node.max === null ? '∞' : node.max) + | ||
| ']' | ||
| ); | ||
| default: | ||
| throw new Error('Unknown node type `' + node.type + '`'); | ||
| } | ||
| } | ||
| function generateSequence(node, forceBraces, decorate) { | ||
@@ -62,3 +78,3 @@ var result = node.terms.map(function(term) { | ||
| case 'Type': | ||
| result = '<' + node.name + '>'; | ||
| result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>'; | ||
| break; | ||
@@ -65,0 +81,0 @@ |
@@ -16,2 +16,3 @@ var Tokenizer = require('./tokenizer'); | ||
| var COMMA = 44; // , | ||
| var HYPERMINUS = 45; // - | ||
| var LESSTHANSIGN = 60; // < | ||
@@ -26,2 +27,3 @@ var GREATERTHANSIGN = 62; // > | ||
| var RIGHTCURLYBRACKET = 125; // } | ||
| var INFINITY = 8734; // ∞ | ||
| var NAME_CHAR = createCharMap(function(ch) { | ||
@@ -47,3 +49,3 @@ return /[a-zA-Z0-9\-]/.test(ch); | ||
| return tokenizer.substringToPos( | ||
| tokenizer.findWsEnd(tokenizer.pos + 1) | ||
| tokenizer.findWsEnd(tokenizer.pos) | ||
| ); | ||
@@ -231,4 +233,63 @@ } | ||
| // https://drafts.csswg.org/css-values-3/#numeric-ranges | ||
| // 4.1. Range Restrictions and Range Definition Notation | ||
| // | ||
| // Range restrictions can be annotated in the numeric type notation using CSS bracketed | ||
| // range notation—[min,max]—within the angle brackets, after the identifying keyword, | ||
| // indicating a closed range between (and including) min and max. | ||
| // For example, <integer [0, 10]> indicates an integer between 0 and 10, inclusive. | ||
| function readTypeRange(tokenizer) { | ||
| // use null for Infinity to make AST format JSON serializable/deserializable | ||
| var min = null; // -Infinity | ||
| var max = null; // Infinity | ||
| var sign = 1; | ||
| tokenizer.eat(LEFTSQUAREBRACKET); | ||
| if (tokenizer.charCode() === HYPERMINUS) { | ||
| tokenizer.peek(); | ||
| sign = -1; | ||
| } | ||
| if (sign == -1 && tokenizer.charCode() === INFINITY) { | ||
| tokenizer.peek(); | ||
| } else { | ||
| min = sign * Number(scanNumber(tokenizer)); | ||
| } | ||
| scanSpaces(tokenizer); | ||
| tokenizer.eat(COMMA); | ||
| scanSpaces(tokenizer); | ||
| if (tokenizer.charCode() === INFINITY) { | ||
| tokenizer.peek(); | ||
| } else { | ||
| sign = 1; | ||
| if (tokenizer.charCode() === HYPERMINUS) { | ||
| tokenizer.peek(); | ||
| sign = -1; | ||
| } | ||
| max = sign * Number(scanNumber(tokenizer)); | ||
| } | ||
| tokenizer.eat(RIGHTSQUAREBRACKET); | ||
| // If no range is indicated, either by using the bracketed range notation | ||
| // or in the property description, then [−∞,∞] is assumed. | ||
| if (min === null && max === null) { | ||
| return null; | ||
| } | ||
| return { | ||
| type: 'Range', | ||
| min: min, | ||
| max: max | ||
| }; | ||
| } | ||
| function readType(tokenizer) { | ||
| var name; | ||
| var opts = null; | ||
@@ -244,2 +305,7 @@ tokenizer.eat(LESSTHANSIGN); | ||
| if (tokenizer.charCodeAt(tokenizer.findWsEnd(tokenizer.pos)) === LEFTSQUAREBRACKET) { | ||
| scanSpaces(tokenizer); | ||
| opts = readTypeRange(tokenizer); | ||
| } | ||
| tokenizer.eat(GREATERTHANSIGN); | ||
@@ -249,3 +315,4 @@ | ||
| type: 'Type', | ||
| name: name | ||
| name: name, | ||
| opts: opts | ||
| }); | ||
@@ -252,0 +319,0 @@ } |
@@ -29,12 +29,10 @@ var SyntaxReferenceError = require('./error').SyntaxReferenceError; | ||
| function valueHasVar(value) { | ||
| var hasVar = false; | ||
| this.syntax.walk(value, function(node) { | ||
| if (node.type === 'Function' && node.name.toLowerCase() === 'var') { | ||
| hasVar = true; | ||
| function valueHasVar(tokens) { | ||
| for (var i = 0; i < tokens.length; i++) { | ||
| if (tokens[i].value.toLowerCase() === 'var(') { | ||
| return true; | ||
| } | ||
| }); | ||
| } | ||
| return hasVar; | ||
| return false; | ||
| } | ||
@@ -55,9 +53,9 @@ | ||
| function matchSyntax(lexer, syntax, value, useCommon) { | ||
| if (value && valueHasVar.call(lexer, value)) { | ||
| var tokens = prepareTokens(value, lexer.syntax); | ||
| var result; | ||
| if (valueHasVar(tokens)) { | ||
| return buildMatchResult(null, new Error('Matching for a tree with var() is not supported')); | ||
| } | ||
| var tokens = prepareTokens(value, lexer.syntax); | ||
| var result; | ||
| if (useCommon) { | ||
@@ -90,2 +88,8 @@ result = matchAsTree(tokens, lexer.valueCommonSyntax, lexer); | ||
| if (config) { | ||
| if (config.types) { | ||
| for (var name in config.types) { | ||
| this.addType_(name, config.types[name]); | ||
| } | ||
| } | ||
| if (config.generic) { | ||
@@ -98,8 +102,2 @@ this.generic = true; | ||
| if (config.types) { | ||
| for (var name in config.types) { | ||
| this.addType_(name, config.types[name]); | ||
| } | ||
| } | ||
| if (config.properties) { | ||
@@ -106,0 +104,0 @@ for (var name in config.properties) { |
@@ -73,2 +73,6 @@ var parse = require('./grammar/parse'); | ||
| ); | ||
| if (i > 0) { | ||
| result.checkStash = true; | ||
| } | ||
| }; | ||
@@ -207,3 +211,3 @@ | ||
| all: false | ||
| };; | ||
| }; | ||
| } | ||
@@ -283,2 +287,3 @@ | ||
| result.checkStash = true; | ||
| result.then = createCondition( | ||
@@ -317,2 +322,3 @@ MATCH, | ||
| ); | ||
| result.checkStash = true; | ||
| } | ||
@@ -421,3 +427,3 @@ } | ||
| type: node.type, | ||
| value: node.value, | ||
| value: node.value.substr(1, node.value.length - 2).replace(/\\'/g, '\''), | ||
| syntax: node | ||
@@ -424,0 +430,0 @@ }; |
@@ -6,3 +6,5 @@ var hasOwnProperty = Object.prototype.hasOwnProperty; | ||
| var DISALLOW_EMPTY = matchGraph.DISALLOW_EMPTY; | ||
| var TYPE = require('../tokenizer/const').TYPE; | ||
| var STUB = 0; | ||
| var TOKEN = 1; | ||
@@ -30,2 +32,24 @@ var OPEN_SYNTAX = 2; | ||
| function areStringsEqualCaseInsensitive(testStr, referenceStr) { | ||
| if (testStr.length !== referenceStr.length) { | ||
| return false; | ||
| } | ||
| for (var i = 0; i < testStr.length; i++) { | ||
| var testCode = testStr.charCodeAt(i); | ||
| var referenceCode = referenceStr.charCodeAt(i); | ||
| // testCode.toLowerCase() for U+0041 LATIN CAPITAL LETTER A (A) .. U+005A LATIN CAPITAL LETTER Z (Z). | ||
| if (testCode >= 0x0041 && testCode <= 0x005A) { | ||
| testCode = testCode | 32; | ||
| } | ||
| if (testCode !== referenceCode) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| function isCommaContextStart(token) { | ||
@@ -36,9 +60,9 @@ if (token === null) { | ||
| token = token.value.charAt(token.value.length - 1); | ||
| var ch = token.value.charAt(token.value.length - 1); | ||
| return ( | ||
| token === ',' || | ||
| token === '(' || | ||
| token === '[' || | ||
| token === '/' | ||
| ch === ',' || | ||
| ch === '(' || | ||
| ch === '[' || | ||
| ch === '/' | ||
| ); | ||
@@ -52,16 +76,16 @@ } | ||
| token = token.value.charAt(0); | ||
| var ch = token.value.charAt(0); | ||
| return ( | ||
| token === ')' || | ||
| token === ']' || | ||
| token === '/' | ||
| ch === ')' || | ||
| ch === ']' || | ||
| ch === '/' | ||
| ); | ||
| } | ||
| function internalMatch(tokens, syntax, syntaxes) { | ||
| function internalMatch(tokens, state, syntaxes) { | ||
| function moveToNextToken() { | ||
| do { | ||
| tokenCursor++; | ||
| token = tokenCursor < tokens.length ? tokens[tokenCursor] : null; | ||
| tokenIndex++; | ||
| token = tokenIndex < tokens.length ? tokens[tokenIndex] : null; | ||
| } while (token !== null && !/\S/.test(token.value)); | ||
@@ -71,3 +95,3 @@ } | ||
| function getNextToken(offset) { | ||
| var nextIndex = tokenCursor + offset; | ||
| var nextIndex = tokenIndex + offset; | ||
@@ -77,27 +101,31 @@ return nextIndex < tokens.length ? tokens[nextIndex] : null; | ||
| function pushThenStack(nextSyntax) { | ||
| thenStack = { | ||
| nextSyntax: nextSyntax, | ||
| function stateSnapshotFromSyntax(nextState, prev) { | ||
| return { | ||
| nextState: nextState, | ||
| matchStack: matchStack, | ||
| syntaxStack: syntaxStack, | ||
| prev: thenStack | ||
| thenStack: thenStack, | ||
| tokenCursor: tokenIndex, | ||
| token: token, | ||
| prev: prev | ||
| }; | ||
| } | ||
| function pushElseStack(nextSyntax) { | ||
| elseStack = { | ||
| nextSyntax: nextSyntax, | ||
| function pushThenStack(nextState) { | ||
| thenStack = { | ||
| nextState: nextState, | ||
| matchStack: matchStack, | ||
| syntaxStack: syntaxStack, | ||
| thenStack: thenStack, | ||
| tokenCursor: tokenCursor, | ||
| token: token, | ||
| prev: elseStack | ||
| prev: thenStack | ||
| }; | ||
| } | ||
| function pushElseStack(nextState) { | ||
| elseStack = stateSnapshotFromSyntax(nextState, elseStack); | ||
| } | ||
| function addTokenToMatch() { | ||
| matchStack = { | ||
| type: TOKEN, | ||
| syntax: syntax.syntax, | ||
| syntax: state.syntax, | ||
| token: token, | ||
@@ -109,5 +137,9 @@ prev: matchStack | ||
| if (tokenCursor > longestMatch) { | ||
| longestMatch = tokenCursor; | ||
| if (syntaxStash !== null) { | ||
| syntaxStash = null; | ||
| } | ||
| if (tokenIndex > longestMatch) { | ||
| longestMatch = tokenIndex; | ||
| } | ||
| } | ||
@@ -117,3 +149,4 @@ | ||
| syntaxStack = { | ||
| syntax: syntax, | ||
| syntax: state, | ||
| opts: state.syntax.opts || (syntaxStack !== null && syntaxStack.opts) || null, | ||
| prev: syntaxStack | ||
@@ -124,3 +157,3 @@ }; | ||
| type: OPEN_SYNTAX, | ||
| syntax: syntax.syntax, | ||
| syntax: state.syntax, | ||
| token: matchStack.token, | ||
@@ -150,17 +183,27 @@ prev: matchStack | ||
| var iterationCount = 0; | ||
| var exitReason = EXIT_REASON_MATCH; | ||
| // null – stashing allowed, nothing stashed | ||
| // false – stashing disabled, nothing stashed | ||
| // anithing else – fail stashable syntaxes, some syntax stashed | ||
| var syntaxStash = null; | ||
| var matchStack = { type: 'Stub', syntax: null, token: null, tokenCursor: -1, prev: null }; | ||
| var iterationCount = 0; // count iterations and prevent infinite loop | ||
| var exitReason = null; | ||
| var token = null; | ||
| var tokenIndex = -1; | ||
| var longestMatch = 0; | ||
| var tokenCursor = -1; | ||
| var token = null; | ||
| var matchStack = { | ||
| type: STUB, | ||
| syntax: null, | ||
| token: null, | ||
| prev: null | ||
| }; | ||
| moveToNextToken(); | ||
| while (true) { | ||
| while (exitReason === null && ++iterationCount < ITERATION_LIMIT) { | ||
| // console.log('--\n', | ||
| // '#' + iterationCount, | ||
| // require('util').inspect({ | ||
| // match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? x.type + '!' + x.syntax.name : null), | ||
| // match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? ({ [OPEN_SYNTAX]: '<', [CLOSE_SYNTAX]: '</' }[x.type] || x.type) + '!' + x.syntax.name : null), | ||
| // elseStack: mapList(elseStack, x => x.id), | ||
@@ -170,98 +213,108 @@ // thenStack: mapList(thenStack, x => x.id), | ||
| // tokenCursor, | ||
| // syntax | ||
| // syntax: syntax.type + (syntax.id ? ' #' + syntax.id : '') | ||
| // }, { depth: null }) | ||
| // ); | ||
| switch (state.type) { | ||
| case 'Match': | ||
| if (thenStack === null) { | ||
| // turn to MISMATCH when some tokens left unmatched | ||
| if (token !== null) { | ||
| // doesn't mismatch if just one token left and it's an IE hack | ||
| if (tokenIndex !== tokens.length - 1 || (token.value !== '\\0' && token.value !== '\\9')) { | ||
| state = MISMATCH; | ||
| break; | ||
| } | ||
| } | ||
| // prevent infinite loop | ||
| if (++iterationCount === ITERATION_LIMIT) { | ||
| console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations'); | ||
| exitReason = EXIT_REASON_ITERATION_LIMIT; | ||
| break; | ||
| } | ||
| // break the main loop, return a result - MATCH | ||
| exitReason = EXIT_REASON_MATCH; | ||
| break; | ||
| } | ||
| if (syntax === MATCH) { | ||
| if (thenStack === null) { | ||
| // turn to MISMATCH when some tokens left unmatched | ||
| if (token !== null) { | ||
| // doesn't mismatch if just one token left and it's an IE hack | ||
| if (tokenCursor !== tokens.length - 1 || (token.value !== '\\0' && token.value !== '\\9')) { | ||
| syntax = MISMATCH; | ||
| continue; | ||
| // go to next syntax (`then` branch) | ||
| state = thenStack.nextState; | ||
| // check match is not empty | ||
| if (state === DISALLOW_EMPTY) { | ||
| if (thenStack.matchStack.token === matchStack.token) { | ||
| state = MISMATCH; | ||
| break; | ||
| } else { | ||
| state = MATCH; | ||
| } | ||
| } | ||
| // break the main loop, return a result - MATCH | ||
| exitReason = EXIT_REASON_MATCH; | ||
| // close syntax if needed | ||
| while (syntaxStack !== null && thenStack.syntaxStack !== syntaxStack) { | ||
| closeSyntax(); | ||
| } | ||
| // pop stack | ||
| thenStack = thenStack.prev; | ||
| break; | ||
| } | ||
| // go to next syntax (`then` branch) | ||
| syntax = thenStack.nextSyntax; | ||
| case 'Mismatch': | ||
| if (elseStack === null) { | ||
| if (syntaxStash === null || syntaxStash === false) { | ||
| // no else branches and no stashed syntax -> break the main loop | ||
| // return a result - MISMATCH | ||
| exitReason = EXIT_REASON_MISMATCH; | ||
| break; | ||
| } | ||
| // check match is not empty | ||
| if (syntax === DISALLOW_EMPTY) { | ||
| if (thenStack.matchStack.token === matchStack.token) { | ||
| syntax = MISMATCH; | ||
| continue; | ||
| } else { | ||
| syntax = MATCH; | ||
| // restore from the stash | ||
| elseStack = syntaxStash; | ||
| syntaxStash = false; // disable stashing | ||
| } | ||
| } | ||
| // close syntax if needed | ||
| while (syntaxStack !== null && thenStack.syntaxStack !== syntaxStack) { | ||
| closeSyntax(); | ||
| } | ||
| // go to next syntax (`else` branch) | ||
| state = elseStack.nextState; | ||
| // pop stack | ||
| thenStack = thenStack.prev; | ||
| continue; | ||
| } | ||
| // restore all the rest stack states | ||
| thenStack = elseStack.thenStack; | ||
| syntaxStack = elseStack.syntaxStack; | ||
| matchStack = elseStack.matchStack; | ||
| tokenIndex = elseStack.tokenCursor; | ||
| token = elseStack.token; | ||
| if (syntax === MISMATCH) { | ||
| if (elseStack === null) { | ||
| // break the main loop, return a result - MISMATCH | ||
| exitReason = EXIT_REASON_MISMATCH; | ||
| // pop stack | ||
| elseStack = elseStack.prev; | ||
| break; | ||
| } | ||
| // go to next syntax (`else` branch) | ||
| syntax = elseStack.nextSyntax; | ||
| // restore all the rest stack states | ||
| thenStack = elseStack.thenStack; | ||
| syntaxStack = elseStack.syntaxStack; | ||
| matchStack = elseStack.matchStack; | ||
| tokenCursor = elseStack.tokenCursor; | ||
| token = elseStack.token; | ||
| // pop stack | ||
| elseStack = elseStack.prev; | ||
| continue; | ||
| } | ||
| switch (syntax.type) { | ||
| case 'MatchGraph': | ||
| syntax = syntax.match; | ||
| state = state.match; | ||
| break; | ||
| case 'If': | ||
| if (state.checkStash) { | ||
| if (syntaxStash !== null) { | ||
| if (syntaxStash !== false) { | ||
| elseStack = syntaxStash; | ||
| syntaxStash = false; // disable stashing | ||
| state = MISMATCH; | ||
| break; | ||
| } | ||
| syntaxStash = null; | ||
| } | ||
| } | ||
| // IMPORTANT: else stack push must go first, | ||
| // since it stores the state of thenStack before changes | ||
| if (syntax.else !== MISMATCH) { | ||
| pushElseStack(syntax.else); | ||
| if (state.else !== MISMATCH) { | ||
| pushElseStack(state.else); | ||
| } | ||
| if (syntax.then !== MATCH) { | ||
| pushThenStack(syntax.then); | ||
| if (state.then !== MATCH) { | ||
| pushThenStack(state.then); | ||
| } | ||
| syntax = syntax.match; | ||
| state = state.match; | ||
| break; | ||
| case 'MatchOnce': | ||
| syntax = { | ||
| state = { | ||
| type: 'MatchOnceBuffer', | ||
| terms: syntax.terms, | ||
| all: syntax.all, | ||
| terms: state.terms, | ||
| all: state.all, | ||
| matchStack: matchStack, | ||
@@ -274,8 +327,8 @@ index: 0, | ||
| case 'MatchOnceBuffer': | ||
| if (syntax.index === syntax.terms.length) { | ||
| if (state.index === state.terms.length) { | ||
| // if no matches during a cycle | ||
| if (syntax.matchStack === matchStack) { | ||
| if (state.matchStack === matchStack) { | ||
| // no matches at all or it's required all terms to be matched | ||
| if (syntax.mask === 0 || syntax.all) { | ||
| syntax = MISMATCH; | ||
| if (state.mask === 0 || state.all) { | ||
| state = MISMATCH; | ||
| break; | ||
@@ -285,23 +338,23 @@ } | ||
| // a partial match is ok | ||
| syntax = MATCH; | ||
| state = MATCH; | ||
| break; | ||
| } else { | ||
| // start trying to match from the start | ||
| syntax.index = 0; | ||
| syntax.matchStack = matchStack; | ||
| state.index = 0; | ||
| state.matchStack = matchStack; | ||
| } | ||
| } | ||
| for (; syntax.index < syntax.terms.length; syntax.index++) { | ||
| if ((syntax.mask & (1 << syntax.index)) === 0) { | ||
| for (; state.index < state.terms.length; state.index++) { | ||
| if ((state.mask & (1 << state.index)) === 0) { | ||
| // IMPORTANT: else stack push must go first, | ||
| // since it stores the state of thenStack before changes | ||
| pushElseStack(syntax); | ||
| pushElseStack(state); | ||
| pushThenStack({ | ||
| type: 'AddMatchOnce', | ||
| buffer: syntax | ||
| nextState: state | ||
| }); | ||
| // match | ||
| syntax = syntax.terms[syntax.index++]; | ||
| state = state.terms[state.index++]; | ||
| break; | ||
@@ -313,18 +366,18 @@ } | ||
| case 'AddMatchOnce': | ||
| syntax = syntax.buffer; | ||
| state = state.nextState; | ||
| var newMask = syntax.mask | (1 << (syntax.index - 1)); | ||
| var newMask = state.mask | (1 << (state.index - 1)); | ||
| // all terms are matched | ||
| if (newMask === (1 << syntax.terms.length) - 1) { | ||
| syntax = MATCH; | ||
| if (newMask === (1 << state.terms.length) - 1) { | ||
| state = MATCH; | ||
| continue; | ||
| } | ||
| syntax = { | ||
| state = { | ||
| type: 'MatchOnceBuffer', | ||
| terms: syntax.terms, | ||
| all: syntax.all, | ||
| matchStack: syntax.matchStack, | ||
| index: syntax.index, | ||
| terms: state.terms, | ||
| all: state.all, | ||
| matchStack: state.matchStack, | ||
| index: 0, | ||
| mask: newMask | ||
@@ -336,27 +389,31 @@ }; | ||
| case 'Enum': | ||
| var name = token !== null ? token.value.toLowerCase() : ''; | ||
| if (token !== null) { | ||
| var name = token.value.toLowerCase(); | ||
| // drop \0 and \9 hack from keyword name | ||
| if (name.indexOf('\\') !== -1) { | ||
| name = name.replace(/\\[09].*$/, ''); | ||
| } | ||
| // drop \0 and \9 hack from keyword name | ||
| if (name.indexOf('\\') !== -1) { | ||
| name = name.replace(/\\[09].*$/, ''); | ||
| } | ||
| if (hasOwnProperty.call(syntax.map, name)) { | ||
| syntax = syntax.map[name]; | ||
| } else { | ||
| syntax = MISMATCH; | ||
| if (hasOwnProperty.call(state.map, name)) { | ||
| state = state.map[name]; | ||
| break; | ||
| } | ||
| } | ||
| state = MISMATCH; | ||
| break; | ||
| case 'Generic': | ||
| var length = Math.floor(syntax.fn(token, getNextToken)); | ||
| var opts = syntaxStack !== null ? syntaxStack.opts : null; | ||
| var tokenCount = Math.floor(state.fn(token, getNextToken, opts)); | ||
| if (!isNaN(length) && length > 0) { | ||
| syntax = MATCH; | ||
| for (var lastTokenIndex = tokenCursor + length; tokenCursor < lastTokenIndex;) { | ||
| if (!isNaN(tokenCount) && tokenCount > 0) { | ||
| for (var lastTokenIndex = tokenIndex + tokenCount; tokenIndex < lastTokenIndex;) { | ||
| addTokenToMatch(); | ||
| } | ||
| state = MATCH; | ||
| } else { | ||
| syntax = MISMATCH; | ||
| state = MISMATCH; | ||
| } | ||
@@ -368,25 +425,43 @@ | ||
| case 'Property': | ||
| openSyntax(); | ||
| var syntaxDict = state.type === 'Type' ? 'types' : 'properties'; | ||
| var dictSyntax = hasOwnProperty.call(syntaxes, syntaxDict) ? syntaxes[syntaxDict][state.name] : null; | ||
| var syntaxDict = syntax.type === 'Type' ? 'types' : 'properties'; | ||
| if (hasOwnProperty.call(syntaxes, syntaxDict) && syntaxes[syntaxDict][syntax.name]) { | ||
| syntax = syntaxes[syntaxDict][syntax.name].match; | ||
| } else { | ||
| syntax = undefined; | ||
| } | ||
| if (!syntax) { | ||
| if (!dictSyntax || !dictSyntax.match) { | ||
| throw new Error( | ||
| 'Bad syntax reference: ' + | ||
| (syntaxStack.syntax.type === 'Type' | ||
| ? '<' + syntaxStack.syntax.name + '>' | ||
| : '<\'' + syntaxStack.syntax.name + '\'>') | ||
| (state.type === 'Type' | ||
| ? '<' + state.name + '>' | ||
| : '<\'' + state.name + '\'>') | ||
| ); | ||
| } | ||
| // stash a syntax for types with low priority | ||
| if (syntaxStash !== false && token !== null && state.type === 'Type') { | ||
| var lowPriorityMatching = | ||
| // https://drafts.csswg.org/css-values-4/#custom-idents | ||
| // When parsing positionally-ambiguous keywords in a property value, a <custom-ident> production | ||
| // can only claim the keyword if no other unfulfilled production can claim it. | ||
| (state.name === 'custom-ident' && token.type === TYPE.Ident) || | ||
| // https://drafts.csswg.org/css-values-4/#lengths | ||
| // ... if a `0` could be parsed as either a <number> or a <length> in a property (such as line-height), | ||
| // it must parse as a <number> | ||
| (state.name === 'length' && token.value === '0'); | ||
| if (lowPriorityMatching) { | ||
| if (syntaxStash === null) { | ||
| syntaxStash = stateSnapshotFromSyntax(state, elseStack); | ||
| } | ||
| state = MISMATCH; | ||
| break; | ||
| } | ||
| } | ||
| openSyntax(); | ||
| state = dictSyntax.match; | ||
| break; | ||
| case 'Keyword': | ||
| var name = syntax.name; | ||
| var name = state.name; | ||
@@ -401,6 +476,6 @@ if (token !== null) { | ||
| if (keywordName.toLowerCase() === name) { | ||
| if (areStringsEqualCaseInsensitive(keywordName, name)) { | ||
| addTokenToMatch(); | ||
| syntax = MATCH; | ||
| state = MATCH; | ||
| break; | ||
@@ -410,3 +485,3 @@ } | ||
| syntax = MISMATCH; | ||
| state = MISMATCH; | ||
| break; | ||
@@ -416,21 +491,21 @@ | ||
| case 'Function': | ||
| if (token !== null && token.value.toLowerCase() === syntax.name) { | ||
| if (token !== null && areStringsEqualCaseInsensitive(token.value, state.name)) { | ||
| addTokenToMatch(); | ||
| syntax = MATCH; | ||
| state = MATCH; | ||
| break; | ||
| } | ||
| syntax = MISMATCH; | ||
| state = MISMATCH; | ||
| break; | ||
| case 'Token': | ||
| if (token !== null && token.value === syntax.value) { | ||
| if (token !== null && token.value === state.value) { | ||
| addTokenToMatch(); | ||
| syntax = MATCH; | ||
| state = MATCH; | ||
| break; | ||
| } | ||
| syntax = MISMATCH; | ||
| state = MISMATCH; | ||
| break; | ||
@@ -441,9 +516,9 @@ | ||
| if (isCommaContextStart(matchStack.token)) { | ||
| syntax = MISMATCH; | ||
| state = MISMATCH; | ||
| } else { | ||
| addTokenToMatch(); | ||
| syntax = isCommaContextEnd(token) ? MISMATCH : MATCH; | ||
| state = isCommaContextEnd(token) ? MISMATCH : MATCH; | ||
| } | ||
| } else { | ||
| syntax = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? MATCH : MISMATCH; | ||
| state = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? MATCH : MISMATCH; | ||
| } | ||
@@ -453,7 +528,23 @@ | ||
| // case 'String': | ||
| // TODO: strings with length other than 1 char | ||
| case 'String': | ||
| var string = ''; | ||
| for (var lastTokenIndex = tokenIndex; lastTokenIndex < tokens.length && string.length < state.value.length; lastTokenIndex++) { | ||
| string += tokens[lastTokenIndex].value; | ||
| } | ||
| if (areStringsEqualCaseInsensitive(string, state.value)) { | ||
| for (; tokenIndex < lastTokenIndex;) { | ||
| addTokenToMatch(); | ||
| } | ||
| state = MATCH; | ||
| } else { | ||
| state = MISMATCH; | ||
| } | ||
| break; | ||
| default: | ||
| throw new Error('Unknown node type: ' + syntax.type); | ||
| throw new Error('Unknown node type: ' + state.type); | ||
| } | ||
@@ -464,2 +555,7 @@ } | ||
| if (exitReason === null) { | ||
| console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations'); | ||
| exitReason = EXIT_REASON_ITERATION_LIMIT; | ||
| } | ||
| if (exitReason === EXIT_REASON_MATCH) { | ||
@@ -466,0 +562,0 @@ while (syntaxStack !== null) { |
| { | ||
| "name": "css-tree", | ||
| "version": "1.0.0-alpha.30", | ||
| "version": "1.0.0-alpha.31", | ||
| "description": "CSSTree is a tool set to work with CSS, including fast detailed parser (string->AST), walker (AST traversal), generator (AST->string) and lexer (validation and matching) based on knowledge of spec and browser implementations", | ||
@@ -68,3 +68,3 @@ "keywords": [ | ||
| "dependencies": { | ||
| "mdn-data": "~2.0.3", | ||
| "mdn-data": "2.0.4", | ||
| "source-map": "^0.5.3" | ||
@@ -71,0 +71,0 @@ }, |
Sorry, the diff of this file is too big to display
New alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Fixed alerts
License Policy Violation
LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
Improved metrics
- Total package byte prevSize
- increased by1.62%
616172
- Lines of code
- increased by1.66%
9735
Dependency changes
+ Addedmdn-data@2.0.4(transitive)
- Removedmdn-data@2.0.33(transitive)
Updatedmdn-data@2.0.4