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-rw-r--r--webapp/non_npm_dependencies/katex/src/mathMLTree.js102
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diff --git a/webapp/non_npm_dependencies/katex/src/mathMLTree.js b/webapp/non_npm_dependencies/katex/src/mathMLTree.js
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--- a/webapp/non_npm_dependencies/katex/src/mathMLTree.js
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-/**
- * These objects store data about MathML nodes. This is the MathML equivalent
- * of the types in domTree.js. Since MathML handles its own rendering, and
- * since we're mainly using MathML to improve accessibility, we don't manage
- * any of the styling state that the plain DOM nodes do.
- *
- * The `toNode` and `toMarkup` functions work simlarly to how they do in
- * domTree.js, creating namespaced DOM nodes and HTML text markup respectively.
- */
-
-var utils = require("./utils");
-
-/**
- * This node represents a general purpose MathML node of any type. The
- * constructor requires the type of node to create (for example, `"mo"` or
- * `"mspace"`, corresponding to `<mo>` and `<mspace>` tags).
- */
-function MathNode(type, children) {
- this.type = type;
- this.attributes = {};
- this.children = children || [];
-}
-
-/**
- * Sets an attribute on a MathML node. MathML depends on attributes to convey a
- * semantic content, so this is used heavily.
- */
-MathNode.prototype.setAttribute = function(name, value) {
- this.attributes[name] = value;
-};
-
-/**
- * Converts the math node into a MathML-namespaced DOM element.
- */
-MathNode.prototype.toNode = function() {
- var node = document.createElementNS(
- "http://www.w3.org/1998/Math/MathML", this.type);
-
- for (var attr in this.attributes) {
- if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
- node.setAttribute(attr, this.attributes[attr]);
- }
- }
-
- for (var i = 0; i < this.children.length; i++) {
- node.appendChild(this.children[i].toNode());
- }
-
- return node;
-};
-
-/**
- * Converts the math node into an HTML markup string.
- */
-MathNode.prototype.toMarkup = function() {
- var markup = "<" + this.type;
-
- // Add the attributes
- for (var attr in this.attributes) {
- if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
- markup += " " + attr + "=\"";
- markup += utils.escape(this.attributes[attr]);
- markup += "\"";
- }
- }
-
- markup += ">";
-
- for (var i = 0; i < this.children.length; i++) {
- markup += this.children[i].toMarkup();
- }
-
- markup += "</" + this.type + ">";
-
- return markup;
-};
-
-/**
- * This node represents a piece of text.
- */
-function TextNode(text) {
- this.text = text;
-}
-
-/**
- * Converts the text node into a DOM text node.
- */
-TextNode.prototype.toNode = function() {
- return document.createTextNode(this.text);
-};
-
-/**
- * Converts the text node into HTML markup (which is just the text itself).
- */
-TextNode.prototype.toMarkup = function() {
- return utils.escape(this.text);
-};
-
-module.exports = {
- MathNode: MathNode,
- TextNode: TextNode,
-};