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58 lines
2.1 KiB
Plaintext
58 lines
2.1 KiB
Plaintext
const { buildOptions} = require("./OptionsBuilder");
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const OrderedObjParser = require("./OrderedObjParser");
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const { prettify} = require("./node2json");
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const validator = require('../validator');
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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|Buffer} 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"){
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}else if( xmlData.toString){
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xmlData = xmlData.toString();
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}else{
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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 = validator.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);
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orderedObjParser.addExternalEntities(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);
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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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module.exports = XMLParser; |