"use strict";
  var __extends = (this && this.__extends) || (function () {
      var extendStatics = Object.setPrototypeOf ||
          ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
          function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
      return function (d, b) {
          extendStatics(d, b);
          function __() { this.constructor = d; }
          d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
      };
  })();
  Object.defineProperty(exports, "__esModule", { value: true });
  var utils_1 = require("../utils");
  var validate_1 = require("../validate");
  var XmlNode_1 = require("./XmlNode");
  /**
   * Represents an XML character reference.
   *
   * An XML character reference is structured as follows, where `{dec}` is the
   * decimal representation code point corresponding to a particular Unicode
   * character:
   *
   * ```xml
   * &#{dec};
   * ```
   *
   * The corresponding hexadecimal version is structured as follows, where
   * `{hex}` is the hexadecimal representation code point corresponding to a
   * particular Unicode character:
   *
   * ```xml
   * &#x{hex};
   * ```
   *
   * Unicode characters outside of the Basic Multilingual Plane are represented
   * using a surrogate pair consisting of two character references.
   *
   * The `{dec}` and `{hex}` values are defined by the `char` and `hex`
   * properties of this node; the former is the character to be represented while
   * the latter indicates whether the decimal or hexadecimal representation
   * should be used.
   *
   * XmlCharRef nodes cannot have any children.
   */
  var XmlCharRef = (function (_super) {
      __extends(XmlCharRef, _super);
      /**
       * Initializes a new instance of the {@link XmlCharRef} class.
       *
       * @param char The character to represent using the reference.
       * @param hex Whether to use the hexadecimal or decimal representation for
       *            the reference. If left undefined, decimal is the default.
       */
      function XmlCharRef(char, hex) {
          if (hex === void 0) { hex = false; }
          var _this = _super.call(this) || this;
          _this.char = char;
          _this.hex = hex;
          return _this;
      }
      Object.defineProperty(XmlCharRef.prototype, "char", {
          /**
           * Gets the character to represent using the reference.
           *
           * @returns The character to represent using the reference.
           */
          get: function () {
              return this._char;
          },
          /**
           * Sets the character to represent using the reference.
           *
           * @param char The character to represent using the reference.
           */
          set: function (char) {
              if (!utils_1.isString(char)) {
                  throw new TypeError("char should be a string");
              }
              else if (!validate_1.validateSingleChar(char)) {
                  throw new Error("char should contain a single character, and this"
                      + " character should be allowed in XML");
              }
              this._char = char;
          },
          enumerable: true,
          configurable: true
      });
      Object.defineProperty(XmlCharRef.prototype, "hex", {
          /**
           * Gets whether or not to use the hexadecimal or decimal representation for
           * the reference.
           *
           * @returns Whether or not to use the hexadecimal or decimal representation
           *          for the reference.
           */
          get: function () {
              return this._hex;
          },
          /**
           * Sets whether or not to use the hexadecimal or decimal representation for
           * the reference.
           *
           * @param hex Whether or not to use the hexadecimal or decimal
           *            representation for the reference.
           */
          set: function (hex) {
              if (!utils_1.isBoolean(hex)) {
                  throw new TypeError("hex should be a boolean");
              }
              this._hex = hex;
          },
          enumerable: true,
          configurable: true
      });
      /**
       * Throws an exception since {@link XmlCharRef} nodes cannot have any
       * children.
       *
       * @returns This method does not return.
       */
      XmlCharRef.prototype.children = function () {
          throw new Error("XmlCharRef nodes cannot have children");
      };
      /**
       * Throws an exception since {@link XmlCharRef} nodes cannot have any
       * children.
       *
       * @param node This parameter is unused.
       * @param index This parameter is unused.
       *
       * @returns This method does not return.
       */
      XmlCharRef.prototype.insertChild = function (node, index) {
          throw new Error("XmlCharRef nodes cannot have children");
      };
      /**
       * Throws an exception since {@link XmlCharRef} nodes cannot have any
       * children.
       *
       * @param node This parameter is unused.
       *
       * @returns This method does not return.
       */
      XmlCharRef.prototype.removeChild = function (node) {
          throw new Error("XmlCharRef nodes cannot have children");
      };
      /**
       * Throws an exception since {@link XmlCharRef} nodes cannot have any
       * children.
       *
       * @param index This parameter is unused.
       *
       * @returns This method does not return.
       */
      XmlCharRef.prototype.removeChildAtIndex = function (index) {
          throw new Error("XmlCharRef nodes cannot have children");
      };
      /**
       * Returns an XML string representation of this node.
       *
       * @param options Formatting options for the string representation.
       *
       * @returns {string} An XML string representation of this node.
       */
      XmlCharRef.prototype.toString = function (options) {
          if (options === void 0) { options = {}; }
          var char;
          if (this.char.length === 1) {
              char = this.char.charCodeAt(0);
          }
          else {
              char = utils_1.getCodePoint(this.char, 0);
          }
          if (this.hex) {
              return "&#x" + char.toString(16) + ";";
          }
          else {
              return "&#" + char + ";";
          }
      };
      return XmlCharRef;
  }(XmlNode_1.default));
  exports.default = XmlCharRef;