@wiris/mathtype-html-integration-devkit/src/constants.js

Allows to integrate MathType Web into any JavaScript HTML WYSIWYG rich text editor.

/**
 * This class represents all the constants needed in a MathType integration among different classes.
 * If a constant should be used across different classes should be defined using attribute
 * accessors.
 */
export default class Constants {
  /**
   * Safe XML entities.
   * @type {Object}
   */
  static get safeXmlCharactersEntities() {
    return {
      tagOpener: "«",
      tagCloser: "»",
      doubleQuote: "¨",
      realDoubleQuote: """,
    };
  }

  /**
   * Blackboard invalid safe characters.
   * @type {Object}
   */
  static get safeBadBlackboardCharacters() {
    return {
      ltElement: "«mo»<«/mo»",
      gtElement: "«mo»>«/mo»",
      ampElement: "«mo»&«/mo»",
    };
  }

  /**
   * Blackboard valid safe characters.
   * @type{Object}
   */
  static get safeGoodBlackboardCharacters() {
    return {
      ltElement: "«mo»§lt;«/mo»",
      gtElement: "«mo»§gt;«/mo»",
      ampElement: "«mo»§amp;«/mo»",
    };
  }

  /**
   * Standard XML special characters.
   * @type {Object}
   */
  static get xmlCharacters() {
    return {
      id: "xmlCharacters",
      tagOpener: "<", // Hex: \x3C.
      tagCloser: ">", // Hex: \x3E.
      doubleQuote: '"', // Hex: \x22.
      ampersand: "&", // Hex: \x26.
      quote: "'", // Hex: \x27.
    };
  }

  /**
   * Safe XML special characters. This characters are used instead the standard
   * the standard to parse the  MathML if safeXML save mode is enable. Each XML
   * special character have a UTF-8 representation.
   * @type {Object}
   */
  static get safeXmlCharacters() {
    return {
      id: "safeXmlCharacters",
      tagOpener: "«", // Hex: \xAB.
      tagCloser: "»", // Hex: \xBB.
      doubleQuote: "¨", // Hex: \xA8.
      ampersand: "§", // Hex: \xA7.
      quote: "`", // Hex: \x60.
      realDoubleQuote: "¨",
    };
  }
}