diff options
Diffstat (limited to 'webapp/non_npm_dependencies/katex/src/Options.js')
| -rw-r--r-- | webapp/non_npm_dependencies/katex/src/Options.js | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/webapp/non_npm_dependencies/katex/src/Options.js b/webapp/non_npm_dependencies/katex/src/Options.js new file mode 100644 index 000000000..39ff37bfc --- /dev/null +++ b/webapp/non_npm_dependencies/katex/src/Options.js @@ -0,0 +1,189 @@ +/** + * This file contains information about the options that the Parser carries + * around with it while parsing. Data is held in an `Options` object, and when + * recursing, a new `Options` object can be created with the `.with*` and + * `.reset` functions. + */ + +/** + * This is the main options class. It contains the style, size, color, and font + * of the current parse level. It also contains the style and size of the parent + * parse level, so size changes can be handled efficiently. + * + * Each of the `.with*` and `.reset` functions passes its current style and size + * as the parentStyle and parentSize of the new options class, so parent + * handling is taken care of automatically. + */ +function Options(data) { + this.style = data.style; + this.color = data.color; + this.size = data.size; + this.phantom = data.phantom; + this.font = data.font; + + if (data.parentStyle === undefined) { + this.parentStyle = data.style; + } else { + this.parentStyle = data.parentStyle; + } + + if (data.parentSize === undefined) { + this.parentSize = data.size; + } else { + this.parentSize = data.parentSize; + } +} + +/** + * Returns a new options object with the same properties as "this". Properties + * from "extension" will be copied to the new options object. + */ +Options.prototype.extend = function(extension) { + var data = { + style: this.style, + size: this.size, + color: this.color, + parentStyle: this.style, + parentSize: this.size, + phantom: this.phantom, + font: this.font, + }; + + for (var key in extension) { + if (extension.hasOwnProperty(key)) { + data[key] = extension[key]; + } + } + + return new Options(data); +}; + +/** + * Create a new options object with the given style. + */ +Options.prototype.withStyle = function(style) { + return this.extend({ + style: style, + }); +}; + +/** + * Create a new options object with the given size. + */ +Options.prototype.withSize = function(size) { + return this.extend({ + size: size, + }); +}; + +/** + * Create a new options object with the given color. + */ +Options.prototype.withColor = function(color) { + return this.extend({ + color: color, + }); +}; + +/** + * Create a new options object with "phantom" set to true. + */ +Options.prototype.withPhantom = function() { + return this.extend({ + phantom: true, + }); +}; + +/** + * Create a new options objects with the give font. + */ +Options.prototype.withFont = function(font) { + return this.extend({ + font: font, + }); +}; + +/** + * Create a new options object with the same style, size, and color. This is + * used so that parent style and size changes are handled correctly. + */ +Options.prototype.reset = function() { + return this.extend({}); +}; + +/** + * A map of color names to CSS colors. + * TODO(emily): Remove this when we have real macros + */ +var colorMap = { + "katex-blue": "#6495ed", + "katex-orange": "#ffa500", + "katex-pink": "#ff00af", + "katex-red": "#df0030", + "katex-green": "#28ae7b", + "katex-gray": "gray", + "katex-purple": "#9d38bd", + "katex-blueA": "#c7e9f1", + "katex-blueB": "#9cdceb", + "katex-blueC": "#58c4dd", + "katex-blueD": "#29abca", + "katex-blueE": "#1c758a", + "katex-tealA": "#acead7", + "katex-tealB": "#76ddc0", + "katex-tealC": "#5cd0b3", + "katex-tealD": "#55c1a7", + "katex-tealE": "#49a88f", + "katex-greenA": "#c9e2ae", + "katex-greenB": "#a6cf8c", + "katex-greenC": "#83c167", + "katex-greenD": "#77b05d", + "katex-greenE": "#699c52", + "katex-goldA": "#f7c797", + "katex-goldB": "#f9b775", + "katex-goldC": "#f0ac5f", + "katex-goldD": "#e1a158", + "katex-goldE": "#c78d46", + "katex-redA": "#f7a1a3", + "katex-redB": "#ff8080", + "katex-redC": "#fc6255", + "katex-redD": "#e65a4c", + "katex-redE": "#cf5044", + "katex-maroonA": "#ecabc1", + "katex-maroonB": "#ec92ab", + "katex-maroonC": "#c55f73", + "katex-maroonD": "#a24d61", + "katex-maroonE": "#94424f", + "katex-purpleA": "#caa3e8", + "katex-purpleB": "#b189c6", + "katex-purpleC": "#9a72ac", + "katex-purpleD": "#715582", + "katex-purpleE": "#644172", + "katex-mintA": "#f5f9e8", + "katex-mintB": "#edf2df", + "katex-mintC": "#e0e5cc", + "katex-grayA": "#fdfdfd", + "katex-grayB": "#f7f7f7", + "katex-grayC": "#eeeeee", + "katex-grayD": "#dddddd", + "katex-grayE": "#cccccc", + "katex-grayF": "#aaaaaa", + "katex-grayG": "#999999", + "katex-grayH": "#555555", + "katex-grayI": "#333333", + "katex-kaBlue": "#314453", + "katex-kaGreen": "#639b24", +}; + +/** + * Gets the CSS color of the current options object, accounting for the + * `colorMap`. + */ +Options.prototype.getColor = function() { + if (this.phantom) { + return "transparent"; + } else { + return colorMap[this.color] || this.color; + } +}; + +module.exports = Options; |