71 lines
2.6 KiB
JavaScript
71 lines
2.6 KiB
JavaScript
import { buildOptions } from './OptionsBuilder.js';
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import OrderedObjParser from './OrderedObjParser.js';
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import prettify from './node2json.js';
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import { validate } from "../validator.js";
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import XmlNode from './xmlNode.js';
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export default class XMLParser {
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constructor(options) {
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this.externalEntities = {};
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this.options = buildOptions(options);
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}
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/**
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* Parse XML dats to JS object
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* @param {string|Uint8Array} xmlData
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* @param {boolean|Object} validationOption
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*/
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parse(xmlData, validationOption) {
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if (typeof xmlData !== "string" && xmlData.toString) {
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xmlData = xmlData.toString();
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} else if (typeof xmlData !== "string") {
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throw new Error("XML data is accepted in String or Bytes[] form.")
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}
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if (validationOption) {
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if (validationOption === true) validationOption = {}; //validate with default options
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const result = validate(xmlData, validationOption);
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if (result !== true) {
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throw Error(`${result.err.msg}:${result.err.line}:${result.err.col}`)
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}
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}
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const orderedObjParser = new OrderedObjParser(this.options, this.externalEntities);
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// orderedObjParser.entityDecoder.setExternalEntities(this.externalEntities);
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const orderedResult = orderedObjParser.parseXml(xmlData);
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if (this.options.preserveOrder || orderedResult === undefined) return orderedResult;
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else return prettify(orderedResult, this.options, orderedObjParser.matcher, orderedObjParser.readonlyMatcher);
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}
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/**
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* Add Entity which is not by default supported by this library
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* @param {string} key
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* @param {string} value
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*/
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addEntity(key, value) {
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if (value.indexOf("&") !== -1) {
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throw new Error("Entity value can't have '&'")
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} else if (key.indexOf("&") !== -1 || key.indexOf(";") !== -1) {
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throw new Error("An entity must be set without '&' and ';'. Eg. use '#xD' for '
'")
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} else if (value === "&") {
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throw new Error("An entity with value '&' is not permitted");
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} else {
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this.externalEntities[key] = value;
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}
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}
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/**
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* Returns a Symbol that can be used to access the metadata
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* property on a node.
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*
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* If Symbol is not available in the environment, an ordinary property is used
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* and the name of the property is here returned.
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*
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* The XMLMetaData property is only present when `captureMetaData`
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* is true in the options.
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*/
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static getMetaDataSymbol() {
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return XmlNode.getMetaDataSymbol();
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}
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} |