UEA-Prodem

node_modules/fast-xml-parser/src/v6/XMLParser.js

@@ -0,0 +1,83 @@
+import { buildOptions } from './OptionsBuilder.js';
+import Xml2JsParser from './Xml2JsParser.js';
+
+export default class XMLParser {
+
+    constructor(options) {
+        this.externalEntities = {};
+        this.options = buildOptions(options);
+        // console.log(this.options)
+    }
+    /**
+     * Parse XML data string to JS object 
+     * @param {string|Buffer} xmlData 
+     * @param {boolean|Object} validationOption 
+     */
+    parse(xmlData) {
+        if (Array.isArray(xmlData) && xmlData.byteLength !== undefined) {
+            return this.parse(xmlData);
+        } else if (xmlData.toString) {
+            xmlData = xmlData.toString();
+        } else {
+            throw new Error("XML data is accepted in String or Bytes[] form.")
+        }
+        // if( validationOption){
+        //     if(validationOption === true) validationOption = {}; //validate with default options
+
+        //     const result = validator.validate(xmlData, validationOption);
+        //     if (result !== true) {
+        //       throw Error( `${result.err.msg}:${result.err.line}:${result.err.col}` )
+        //     }
+        //   }
+        const parser = new Xml2JsParser(this.options);
+        parser.entityParser.addExternalEntities(this.externalEntities);
+        return parser.parse(xmlData);
+    }
+    /**
+     * Parse XML data buffer to JS object 
+     * @param {string|Buffer} xmlData 
+     * @param {boolean|Object} validationOption 
+     */
+    parseBytesArr(xmlData) {
+        if (Array.isArray(xmlData) && xmlData.byteLength !== undefined) {
+        } else {
+            throw new Error("XML data is accepted in Bytes[] form.")
+        }
+        const parser = new Xml2JsParser(this.options);
+        parser.entityParser.addExternalEntities(this.externalEntities);
+        return parser.parseBytesArr(xmlData);
+    }
+    /**
+     * Parse XML data stream to JS object 
+     * @param {fs.ReadableStream} xmlDataStream 
+     */
+    parseStream(xmlDataStream) {
+        if (!isStream(xmlDataStream)) throw new Error("FXP: Invalid stream input");
+
+        const orderedObjParser = new Xml2JsParser(this.options);
+        orderedObjParser.entityParser.addExternalEntities(this.externalEntities);
+        return orderedObjParser.parseStream(xmlDataStream);
+    }
+
+    /**
+     * Add Entity which is not by default supported by this library
+     * @param {string} key 
+     * @param {string} value 
+     */
+    addEntity(key, value) {
+        if (value.indexOf("&") !== -1) {
+            throw new Error("Entity value can't have '&'")
+        } else if (key.indexOf("&") !== -1 || key.indexOf(";") !== -1) {
+            throw new Error("An entity must be set without '&' and ';'. Eg. use '#xD' for '
'")
+        } else if (value === "&") {
+            throw new Error("An entity with value '&' is not permitted");
+        } else {
+            this.externalEntities[key] = value;
+        }
+    }
+}
+
+function isStream(stream) {
+    if (stream && typeof stream.read === "function" && typeof stream.on === "function" && typeof stream.readableEnded === "boolean") return true;
+    return false;
+}