scripts/codemirror-3.1/mode/css/css.js

   1 CodeMirror.defineMode("css", function(config) {
   2   var indentUnit = config.indentUnit, type;
   3
   4   var atMediaTypes = keySet([
   5     "all", "aural", "braille", "handheld", "print", "projection", "screen",
   6     "tty", "tv", "embossed"
   7   ]);
   8
   9   var atMediaFeatures = keySet([
  10     "width", "min-width", "max-width", "height", "min-height", "max-height",
  11     "device-width", "min-device-width", "max-device-width", "device-height",
  12     "min-device-height", "max-device-height", "aspect-ratio",
  13     "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
  14     "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
  15     "max-color", "color-index", "min-color-index", "max-color-index",
  16     "monochrome", "min-monochrome", "max-monochrome", "resolution",
  17     "min-resolution", "max-resolution", "scan", "grid"
  18   ]);
  19
  20   var propertyKeywords = keySet([
  21     "align-content", "align-items", "align-self", "alignment-adjust",
  22     "alignment-baseline", "anchor-point", "animation", "animation-delay",
  23     "animation-direction", "animation-duration", "animation-iteration-count",
  24     "animation-name", "animation-play-state", "animation-timing-function",
  25     "appearance", "azimuth", "backface-visibility", "background",
  26     "background-attachment", "background-clip", "background-color",
  27     "background-image", "background-origin", "background-position",
  28     "background-repeat", "background-size", "baseline-shift", "binding",
  29     "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
  30     "bookmark-target", "border", "border-bottom", "border-bottom-color",
  31     "border-bottom-left-radius", "border-bottom-right-radius",
  32     "border-bottom-style", "border-bottom-width", "border-collapse",
  33     "border-color", "border-image", "border-image-outset",
  34     "border-image-repeat", "border-image-slice", "border-image-source",
  35     "border-image-width", "border-left", "border-left-color",
  36     "border-left-style", "border-left-width", "border-radius", "border-right",
  37     "border-right-color", "border-right-style", "border-right-width",
  38     "border-spacing", "border-style", "border-top", "border-top-color",
  39     "border-top-left-radius", "border-top-right-radius", "border-top-style",
  40     "border-top-width", "border-width", "bottom", "box-decoration-break",
  41     "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
  42     "caption-side", "clear", "clip", "color", "color-profile", "column-count",
  43     "column-fill", "column-gap", "column-rule", "column-rule-color",
  44     "column-rule-style", "column-rule-width", "column-span", "column-width",
  45     "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
  46     "cue-after", "cue-before", "cursor", "direction", "display",
  47     "dominant-baseline", "drop-initial-after-adjust",
  48     "drop-initial-after-align", "drop-initial-before-adjust",
  49     "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
  50     "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
  51     "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
  52     "float", "float-offset", "font", "font-feature-settings", "font-family",
  53     "font-kerning", "font-language-override", "font-size", "font-size-adjust",
  54     "font-stretch", "font-style", "font-synthesis", "font-variant",
  55     "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
  56     "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
  57     "font-weight", "grid-cell", "grid-column", "grid-column-align",
  58     "grid-column-sizing", "grid-column-span", "grid-columns", "grid-flow",
  59     "grid-row", "grid-row-align", "grid-row-sizing", "grid-row-span",
  60     "grid-rows", "grid-template", "hanging-punctuation", "height", "hyphens",
  61     "icon", "image-orientation", "image-rendering", "image-resolution",
  62     "inline-box-align", "justify-content", "left", "letter-spacing",
  63     "line-break", "line-height", "line-stacking", "line-stacking-ruby",
  64     "line-stacking-shift", "line-stacking-strategy", "list-style",
  65     "list-style-image", "list-style-position", "list-style-type", "margin",
  66     "margin-bottom", "margin-left", "margin-right", "margin-top",
  67     "marker-offset", "marks", "marquee-direction", "marquee-loop",
  68     "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
  69     "max-width", "min-height", "min-width", "move-to", "nav-down", "nav-index",
  70     "nav-left", "nav-right", "nav-up", "opacity", "order", "orphans", "outline",
  71     "outline-color", "outline-offset", "outline-style", "outline-width",
  72     "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
  73     "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
  74     "page", "page-break-after", "page-break-before", "page-break-inside",
  75     "page-policy", "pause", "pause-after", "pause-before", "perspective",
  76     "perspective-origin", "pitch", "pitch-range", "play-during", "position",
  77     "presentation-level", "punctuation-trim", "quotes", "rendering-intent",
  78     "resize", "rest", "rest-after", "rest-before", "richness", "right",
  79     "rotation", "rotation-point", "ruby-align", "ruby-overhang",
  80     "ruby-position", "ruby-span", "size", "speak", "speak-as", "speak-header",
  81     "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
  82     "tab-size", "table-layout", "target", "target-name", "target-new",
  83     "target-position", "text-align", "text-align-last", "text-decoration",
  84     "text-decoration-color", "text-decoration-line", "text-decoration-skip",
  85     "text-decoration-style", "text-emphasis", "text-emphasis-color",
  86     "text-emphasis-position", "text-emphasis-style", "text-height",
  87     "text-indent", "text-justify", "text-outline", "text-shadow",
  88     "text-space-collapse", "text-transform", "text-underline-position",
  89     "text-wrap", "top", "transform", "transform-origin", "transform-style",
  90     "transition", "transition-delay", "transition-duration",
  91     "transition-property", "transition-timing-function", "unicode-bidi",
  92     "vertical-align", "visibility", "voice-balance", "voice-duration",
  93     "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
  94     "voice-volume", "volume", "white-space", "widows", "width", "word-break",
  95     "word-spacing", "word-wrap", "z-index"
  96   ]);
  97
  98   var colorKeywords = keySet([
  99     "black", "silver", "gray", "white", "maroon", "red", "purple", "fuchsia",
 100     "green", "lime", "olive", "yellow", "navy", "blue", "teal", "aqua"
 101   ]);
 102
 103   var valueKeywords = keySet([
 104     "above", "absolute", "activeborder", "activecaption", "afar",
 105     "after-white-space", "ahead", "alias", "all", "all-scroll", "alternate",
 106     "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
 107     "arabic-indic", "armenian", "asterisks", "auto", "avoid", "background",
 108     "backwards", "baseline", "below", "bidi-override", "binary", "bengali",
 109     "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
 110     "both", "bottom", "break-all", "break-word", "button", "button-bevel",
 111     "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "cambodian",
 112     "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
 113     "cell", "center", "checkbox", "circle", "cjk-earthly-branch",
 114     "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
 115     "col-resize", "collapse", "compact", "condensed", "contain", "content",
 116     "content-box", "context-menu", "continuous", "copy", "cover", "crop",
 117     "cross", "crosshair", "currentcolor", "cursive", "dashed", "decimal",
 118     "decimal-leading-zero", "default", "default-button", "destination-atop",
 119     "destination-in", "destination-out", "destination-over", "devanagari",
 120     "disc", "discard", "document", "dot-dash", "dot-dot-dash", "dotted",
 121     "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
 122     "element", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
 123     "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
 124     "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
 125     "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
 126     "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
 127     "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
 128     "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et",
 129     "ethiopic-halehame-tig", "ew-resize", "expanded", "extra-condensed",
 130     "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "footnotes",
 131     "forwards", "from", "geometricPrecision", "georgian", "graytext", "groove",
 132     "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hebrew",
 133     "help", "hidden", "hide", "higher", "highlight", "highlighttext",
 134     "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "icon", "ignore",
 135     "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
 136     "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
 137     "inline-block", "inline-table", "inset", "inside", "intrinsic", "invert",
 138     "italic", "justify", "kannada", "katakana", "katakana-iroha", "khmer",
 139     "landscape", "lao", "large", "larger", "left", "level", "lighter",
 140     "line-through", "linear", "lines", "list-item", "listbox", "listitem",
 141     "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
 142     "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
 143     "lower-roman", "lowercase", "ltr", "malayalam", "match",
 144     "media-controls-background", "media-current-time-display",
 145     "media-fullscreen-button", "media-mute-button", "media-play-button",
 146     "media-return-to-realtime-button", "media-rewind-button",
 147     "media-seek-back-button", "media-seek-forward-button", "media-slider",
 148     "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
 149     "media-volume-slider-container", "media-volume-sliderthumb", "medium",
 150     "menu", "menulist", "menulist-button", "menulist-text",
 151     "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
 152     "mix", "mongolian", "monospace", "move", "multiple", "myanmar", "n-resize",
 153     "narrower", "navy", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
 154     "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
 155     "ns-resize", "nw-resize", "nwse-resize", "oblique", "octal", "open-quote",
 156     "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
 157     "outside", "overlay", "overline", "padding", "padding-box", "painted",
 158     "paused", "persian", "plus-darker", "plus-lighter", "pointer", "portrait",
 159     "pre", "pre-line", "pre-wrap", "preserve-3d", "progress", "push-button",
 160     "radio", "read-only", "read-write", "read-write-plaintext-only", "relative",
 161     "repeat", "repeat-x", "repeat-y", "reset", "reverse", "rgb", "rgba",
 162     "ridge", "right", "round", "row-resize", "rtl", "run-in", "running",
 163     "s-resize", "sans-serif", "scroll", "scrollbar", "se-resize", "searchfield",
 164     "searchfield-cancel-button", "searchfield-decoration",
 165     "searchfield-results-button", "searchfield-results-decoration",
 166     "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
 167     "single", "skip-white-space", "slide", "slider-horizontal",
 168     "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
 169     "small", "small-caps", "small-caption", "smaller", "solid", "somali",
 170     "source-atop", "source-in", "source-out", "source-over", "space", "square",
 171     "square-button", "start", "static", "status-bar", "stretch", "stroke",
 172     "sub", "subpixel-antialiased", "super", "sw-resize", "table",
 173     "table-caption", "table-cell", "table-column", "table-column-group",
 174     "table-footer-group", "table-header-group", "table-row", "table-row-group",
 175     "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
 176     "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
 177     "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
 178     "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
 179     "transparent", "ultra-condensed", "ultra-expanded", "underline", "up",
 180     "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
 181     "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
 182     "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
 183     "visibleStroke", "visual", "w-resize", "wait", "wave", "white", "wider",
 184     "window", "windowframe", "windowtext", "x-large", "x-small", "xor",
 185     "xx-large", "xx-small", "yellow"
 186   ]);
 187
 188   function keySet(array) { var keys = {}; for (var i = 0; i < array.length; ++i) keys[array[i]] = true; return keys; }
 189   function ret(style, tp) {type = tp; return style;}
 190
 191   function tokenBase(stream, state) {
 192     var ch = stream.next();
 193     if (ch == "@") {stream.eatWhile(/[\w\\\-]/); return ret("def", stream.current());}
 194     else if (ch == "/" && stream.eat("*")) {
 195       state.tokenize = tokenCComment;
 196       return tokenCComment(stream, state);
 197     }
 198     else if (ch == "<" && stream.eat("!")) {
 199       state.tokenize = tokenSGMLComment;
 200       return tokenSGMLComment(stream, state);
 201     }
 202     else if (ch == "=") ret(null, "compare");
 203     else if ((ch == "~" || ch == "|") && stream.eat("=")) return ret(null, "compare");
 204     else if (ch == "\"" || ch == "'") {
 205       state.tokenize = tokenString(ch);
 206       return state.tokenize(stream, state);
 207     }
 208     else if (ch == "#") {
 209       stream.eatWhile(/[\w\\\-]/);
 210       return ret("atom", "hash");
 211     }
 212     else if (ch == "!") {
 213       stream.match(/^\s*\w*/);
 214       return ret("keyword", "important");
 215     }
 216     else if (/\d/.test(ch)) {
 217       stream.eatWhile(/[\w.%]/);
 218       return ret("number", "unit");
 219     }
 220     else if (ch === "-") {
 221       if (/\d/.test(stream.peek())) {
 222         stream.eatWhile(/[\w.%]/);
 223         return ret("number", "unit");
 224       } else if (stream.match(/^[^-]+-/)) {
 225         return ret("meta", "meta");
 226       }
 227     }
 228     else if (/[,+>*\/]/.test(ch)) {
 229       return ret(null, "select-op");
 230     }
 231     else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
 232       return ret("qualifier", "qualifier");
 233     }
 234     else if (ch == ":") {
 235       return ret("operator", ch);
 236     }
 237     else if (/[;{}\[\]\(\)]/.test(ch)) {
 238       return ret(null, ch);
 239     }
 240     else if (ch == "u" && stream.match("rl(")) {
 241       stream.backUp(1);
 242       state.tokenize = tokenParenthesized;
 243       return ret("property", "variable");
 244     }
 245     else {
 246       stream.eatWhile(/[\w\\\-]/);
 247       return ret("property", "variable");
 248     }
 249   }
 250
 251   function tokenCComment(stream, state) {
 252     var maybeEnd = false, ch;
 253     while ((ch = stream.next()) != null) {
 254       if (maybeEnd && ch == "/") {
 255         state.tokenize = tokenBase;
 256         break;
 257       }
 258       maybeEnd = (ch == "*");
 259     }
 260     return ret("comment", "comment");
 261   }
 262
 263   function tokenSGMLComment(stream, state) {
 264     var dashes = 0, ch;
 265     while ((ch = stream.next()) != null) {
 266       if (dashes >= 2 && ch == ">") {
 267         state.tokenize = tokenBase;
 268         break;
 269       }
 270       dashes = (ch == "-") ? dashes + 1 : 0;
 271     }
 272     return ret("comment", "comment");
 273   }
 274
 275   function tokenString(quote, nonInclusive) {
 276     return function(stream, state) {
 277       var escaped = false, ch;
 278       while ((ch = stream.next()) != null) {
 279         if (ch == quote && !escaped)
 280           break;
 281         escaped = !escaped && ch == "\\";
 282       }
 283       if (!escaped) {
 284         if (nonInclusive) stream.backUp(1);
 285         state.tokenize = tokenBase;
 286       }
 287       return ret("string", "string");
 288     };
 289   }
 290
 291   function tokenParenthesized(stream, state) {
 292     stream.next(); // Must be '('
 293     if (!stream.match(/\s*[\"\']/, false))
 294       state.tokenize = tokenString(")", true);
 295     else
 296       state.tokenize = tokenBase;
 297     return ret(null, "(");
 298   }
 299
 300   return {
 301     startState: function(base) {
 302       return {tokenize: tokenBase,
 303               baseIndent: base || 0,
 304               stack: []};
 305     },
 306
 307     token: function(stream, state) {
 308
 309       // Use these terms when applicable (see http://www.xanthir.com/blog/b4E50)
 310       //
 311       // rule** or **ruleset:
 312       // A selector + braces combo, or an at-rule.
 313       //
 314       // declaration block:
 315       // A sequence of declarations.
 316       //
 317       // declaration:
 318       // A property + colon + value combo.
 319       //
 320       // property value:
 321       // The entire value of a property.
 322       //
 323       // component value:
 324       // A single piece of a property value. Like the 5px in
 325       // text-shadow: 0 0 5px blue;. Can also refer to things that are
 326       // multiple terms, like the 1-4 terms that make up the background-size
 327       // portion of the background shorthand.
 328       //
 329       // term:
 330       // The basic unit of author-facing CSS, like a single number (5),
 331       // dimension (5px), string ("foo"), or function. Officially defined
 332       //  by the CSS 2.1 grammar (look for the 'term' production)
 333       //
 334       //
 335       // simple selector:
 336       // A single atomic selector, like a type selector, an attr selector, a
 337       // class selector, etc.
 338       //
 339       // compound selector:
 340       // One or more simple selectors without a combinator. div.example is
 341       // compound, div > .example is not.
 342       //
 343       // complex selector:
 344       // One or more compound selectors chained with combinators.
 345       //
 346       // combinator:
 347       // The parts of selectors that express relationships. There are four
 348       // currently - the space (descendant combinator), the greater-than
 349       // bracket (child combinator), the plus sign (next sibling combinator),
 350       // and the tilda (following sibling combinator).
 351       //
 352       // sequence of selectors:
 353       // One or more of the named type of selector chained with commas.
 354
 355       if (state.tokenize == tokenBase && stream.eatSpace()) return null;
 356       var style = state.tokenize(stream, state);
 357
 358       // Changing style returned based on context
 359       var context = state.stack[state.stack.length-1];
 360       if (style == "property") {
 361         if (context == "propertyValue"){
 362           if (valueKeywords[stream.current()]) {
 363             style = "string-2";
 364           } else if (colorKeywords[stream.current()]) {
 365             style = "keyword";
 366           } else {
 367             style = "variable-2";
 368           }
 369         } else if (context == "rule") {
 370           if (!propertyKeywords[stream.current()]) {
 371             style += " error";
 372           }
 373         } else if (!context || context == "@media{") {
 374           style = "tag";
 375         } else if (context == "@media") {
 376           if (atMediaTypes[stream.current()]) {
 377             style = "attribute"; // Known attribute
 378           } else if (/^(only|not)$/i.test(stream.current())) {
 379             style = "keyword";
 380           } else if (stream.current().toLowerCase() == "and") {
 381             style = "error"; // "and" is only allowed in @mediaType
 382           } else if (atMediaFeatures[stream.current()]) {
 383             style = "error"; // Known property, should be in @mediaType(
 384           } else {
 385             // Unknown, expecting keyword or attribute, assuming attribute
 386             style = "attribute error";
 387           }
 388         } else if (context == "@mediaType") {
 389           if (atMediaTypes[stream.current()]) {
 390             style = "attribute";
 391           } else if (stream.current().toLowerCase() == "and") {
 392             style = "operator";
 393           } else if (/^(only|not)$/i.test(stream.current())) {
 394             style = "error"; // Only allowed in @media
 395           } else if (atMediaFeatures[stream.current()]) {
 396             style = "error"; // Known property, should be in parentheses
 397           } else {
 398             // Unknown attribute or property, but expecting property (preceded
 399             // by "and"). Should be in parentheses
 400             style = "error";
 401           }
 402         } else if (context == "@mediaType(") {
 403           if (propertyKeywords[stream.current()]) {
 404             // do nothing, remains "property"
 405           } else if (atMediaTypes[stream.current()]) {
 406             style = "error"; // Known property, should be in parentheses
 407           } else if (stream.current().toLowerCase() == "and") {
 408             style = "operator";
 409           } else if (/^(only|not)$/i.test(stream.current())) {
 410             style = "error"; // Only allowed in @media
 411           } else {
 412             style += " error";
 413           }
 414         } else {
 415           style = "error";
 416         }
 417       } else if (style == "atom") {
 418         if(!context || context == "@media{") {
 419           style = "builtin";
 420         } else if (context == "propertyValue") {
 421           if (!/^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/.test(stream.current())) {
 422             style += " error";
 423           }
 424         } else {
 425           style = "error";
 426         }
 427       } else if (context == "@media" && type == "{") {
 428         style = "error";
 429       }
 430
 431       // Push/pop context stack
 432       if (type == "{") {
 433         if (context == "@media" || context == "@mediaType") {
 434           state.stack.pop();
 435           state.stack[state.stack.length-1] = "@media{";
 436         }
 437         else state.stack.push("rule");
 438       }
 439       else if (type == "}") {
 440         state.stack.pop();
 441         if (context == "propertyValue") state.stack.pop();
 442       }
 443       else if (type == "@media") state.stack.push("@media");
 444       else if (context == "@media" && /\b(keyword|attribute)\b/.test(style))
 445         state.stack.push("@mediaType");
 446       else if (context == "@mediaType" && stream.current() == ",") state.stack.pop();
 447       else if (context == "@mediaType" && type == "(") state.stack.push("@mediaType(");
 448       else if (context == "@mediaType(" && type == ")") state.stack.pop();
 449       else if (context == "rule" && type == ":") state.stack.push("propertyValue");
 450       else if (context == "propertyValue" && type == ";") state.stack.pop();
 451       return style;
 452     },
 453
 454     indent: function(state, textAfter) {
 455       var n = state.stack.length;
 456       if (/^\}/.test(textAfter))
 457         n -= state.stack[state.stack.length-1] == "propertyValue" ? 2 : 1;
 458       return state.baseIndent + n * indentUnit;
 459     },
 460
 461     electricChars: "}"
 462   };
 463 });
 464
 465 CodeMirror.defineMIME("text/css", "css");