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import path from "path-webpack";
import {qs} from "./utils/core";
/**
* Handles Parsing and Accessing an Epub Container
* @class
* @param {document} [containerDocument] xml document
*/
class Container {
constructor(containerDocument) {
this.packagePath = '';
this.directory = '';
this.encoding = '';
if (containerDocument) {
this.parse(containerDocument);
}
}
/**
* Parse the Container XML
* @param {document} containerDocument
*/
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;
}
destroy() {
this.packagePath = undefined;
this.directory = undefined;
this.encoding = undefined;
}
}
export default Container;
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