"use strict";
var validateNames = require("./helpers/validate-names");

module.exports = function (core) {
  core.Document.prototype.createProcessingInstruction = function (target, data) {
    target = String(target);
    data = String(data);

    validateNames.name(target, core);

    if (data.indexOf("?>") !== -1) {
      throw new core.DOMException(core.DOMException.INVALID_CHARACTER_ERR,
        "Processing instruction data cannot contain the string \"?>\"");
    }

    return new core.ProcessingInstruction(this._ownerDocument, target, data);
  };

  core.Document.prototype.createTextNode = function (data) {
    return new core.Text(this, String(data));
  };

  core.Document.prototype.createComment = function (data) {
    return new core.Comment(this, String(data));
  };
};