epubjs/lib/epub/container.js

Parse and Render Epubs

import _classCallCheck from "babel-runtime/helpers/classCallCheck";
import _createClass from "babel-runtime/helpers/createClass";
import path from "path-webpack";
import { qs } from "../utils/core";

/**
 * Handles Parsing and Accessing an Epub Container
 * @class
 * @param {document} [containerDocument] xml document
 */

var Container = function () {
	function Container(containerDocument) {
		_classCallCheck(this, Container);

		this.packagePath = "";
		this.directory = "";
		this.encoding = "";

		if (containerDocument) {
			this.parse(containerDocument);
		}
	}

	/**
  * Parse the Container XML
  * @param  {document} containerDocument
  */


	_createClass(Container, [{
		key: "parse",
		value: function parse(containerDocument) {
			//-- <rootfile full-path="OPS/package.opf" media-type="application/oebps-package+xml"/>
			var rootfile;

			if (!containerDocument) {
				throw new Error("Container File Not Found");
			}

			rootfile = qs(containerDocument, "rootfile");

			if (!rootfile) {
				throw new Error("No RootFile Found");
			}

			this.packagePath = rootfile.getAttribute("full-path");
			this.directory = path.dirname(this.packagePath);
			this.encoding = containerDocument.xmlEncoding;
		}
	}, {
		key: "destroy",
		value: function destroy() {
			this.packagePath = undefined;
			this.directory = undefined;
			this.encoding = undefined;
		}
	}]);

	return Container;
}();

export default Container;