ubdate

node_modules/fast-xml-parser/src/json2xml.js

@@ -0,0 +1,280 @@
+'use strict';
+//parse Empty Node as self closing node
+const buildOptions = require('./util').buildOptions;
+
+const defaultOptions = {
+  attributeNamePrefix: '@_',
+  attrNodeName: false,
+  textNodeName: '#text',
+  ignoreAttributes: true,
+  cdataTagName: false,
+  cdataPositionChar: '\\c',
+  format: false,
+  indentBy: '  ',
+  supressEmptyNode: false,
+  tagValueProcessor: function(a) {
+    return a;
+  },
+  attrValueProcessor: function(a) {
+    return a;
+  },
+};
+
+const props = [
+  'attributeNamePrefix',
+  'attrNodeName',
+  'textNodeName',
+  'ignoreAttributes',
+  'cdataTagName',
+  'cdataPositionChar',
+  'format',
+  'indentBy',
+  'supressEmptyNode',
+  'tagValueProcessor',
+  'attrValueProcessor',
+  'rootNodeName', //when array as root
+];
+
+function Parser(options) {
+  this.options = buildOptions(options, defaultOptions, props);
+  if (this.options.ignoreAttributes || this.options.attrNodeName) {
+    this.isAttribute = function(/*a*/) {
+      return false;
+    };
+  } else {
+    this.attrPrefixLen = this.options.attributeNamePrefix.length;
+    this.isAttribute = isAttribute;
+  }
+  if (this.options.cdataTagName) {
+    this.isCDATA = isCDATA;
+  } else {
+    this.isCDATA = function(/*a*/) {
+      return false;
+    };
+  }
+  this.replaceCDATAstr = replaceCDATAstr;
+  this.replaceCDATAarr = replaceCDATAarr;
+
+  this.processTextOrObjNode = processTextOrObjNode
+
+  if (this.options.format) {
+    this.indentate = indentate;
+    this.tagEndChar = '>\n';
+    this.newLine = '\n';
+  } else {
+    this.indentate = function() {
+      return '';
+    };
+    this.tagEndChar = '>';
+    this.newLine = '';
+  }
+
+  if (this.options.supressEmptyNode) {
+    this.buildTextNode = buildEmptyTextNode;
+    this.buildObjNode = buildEmptyObjNode;
+  } else {
+    this.buildTextNode = buildTextValNode;
+    this.buildObjNode = buildObjectNode;
+  }
+
+  this.buildTextValNode = buildTextValNode;
+  this.buildObjectNode = buildObjectNode;
+}
+
+Parser.prototype.parse = function(jObj) {
+  if(Array.isArray(jObj) && this.options.rootNodeName && this.options.rootNodeName.length > 1){
+    jObj = {
+      [this.options.rootNodeName] : jObj
+    }
+  }
+  return this.j2x(jObj, 0).val;
+};
+
+Parser.prototype.j2x = function(jObj, level) {
+  let attrStr = '';
+  let val = '';
+  for (let key in jObj) {
+    if (typeof jObj[key] === 'undefined') {
+      // supress undefined node
+    } else if (jObj[key] === null) {
+      val += this.indentate(level) + '<' + key + '/' + this.tagEndChar;
+    } else if (jObj[key] instanceof Date) {
+      val += this.buildTextNode(jObj[key], key, '', level);
+    } else if (typeof jObj[key] !== 'object') {
+      //premitive type
+      const attr = this.isAttribute(key);
+      if (attr) {
+        attrStr += ' ' + attr + '="' + this.options.attrValueProcessor('' + jObj[key]) + '"';
+      } else if (this.isCDATA(key)) {
+        if (jObj[this.options.textNodeName]) {
+          val += this.replaceCDATAstr(jObj[this.options.textNodeName], jObj[key]);
+        } else {
+          val += this.replaceCDATAstr('', jObj[key]);
+        }
+      } else {
+        //tag value
+        if (key === this.options.textNodeName) {
+          if (jObj[this.options.cdataTagName]) {
+            //value will added while processing cdata
+          } else {
+            val += this.options.tagValueProcessor('' + jObj[key]);
+          }
+        } else {
+          val += this.buildTextNode(jObj[key], key, '', level);
+        }
+      }
+    } else if (Array.isArray(jObj[key])) {
+      //repeated nodes
+      if (this.isCDATA(key)) {
+        val += this.indentate(level);
+        if (jObj[this.options.textNodeName]) {
+          val += this.replaceCDATAarr(jObj[this.options.textNodeName], jObj[key]);
+        } else {
+          val += this.replaceCDATAarr('', jObj[key]);
+        }
+      } else {
+        //nested nodes
+        const arrLen = jObj[key].length;
+        for (let j = 0; j < arrLen; j++) {
+          const item = jObj[key][j];
+          if (typeof item === 'undefined') {
+            // supress undefined node
+          } else if (item === null) {
+            val += this.indentate(level) + '<' + key + '/' + this.tagEndChar;
+          } else if (typeof item === 'object') {
+            val += this.processTextOrObjNode(item, key, level)
+          } else {
+            val += this.buildTextNode(item, key, '', level);
+          }
+        }
+      }
+    } else {
+      //nested node
+      if (this.options.attrNodeName && key === this.options.attrNodeName) {
+        const Ks = Object.keys(jObj[key]);
+        const L = Ks.length;
+        for (let j = 0; j < L; j++) {
+          attrStr += ' ' + Ks[j] + '="' + this.options.attrValueProcessor('' + jObj[key][Ks[j]]) + '"';
+        }
+      } else {
+        val += this.processTextOrObjNode(jObj[key], key, level)
+      }
+    }
+  }
+  return {attrStr: attrStr, val: val};
+};
+
+function processTextOrObjNode (object, key, level) {
+  const result = this.j2x(object, level + 1);
+  if (object[this.options.textNodeName] !== undefined && Object.keys(object).length === 1) {
+    return this.buildTextNode(result.val, key, result.attrStr, level);
+  } else {
+    return this.buildObjNode(result.val, key, result.attrStr, level);
+  }
+}
+
+function replaceCDATAstr(str, cdata) {
+  str = this.options.tagValueProcessor('' + str);
+  if (this.options.cdataPositionChar === '' || str === '') {
+    return str + '<![CDATA[' + cdata + ']]' + this.tagEndChar;
+  } else {
+    return str.replace(this.options.cdataPositionChar, '<![CDATA[' + cdata + ']]' + this.tagEndChar);
+  }
+}
+
+function replaceCDATAarr(str, cdata) {
+  str = this.options.tagValueProcessor('' + str);
+  if (this.options.cdataPositionChar === '' || str === '') {
+    return str + '<![CDATA[' + cdata.join(']]><![CDATA[') + ']]' + this.tagEndChar;
+  } else {
+    for (let v in cdata) {
+      str = str.replace(this.options.cdataPositionChar, '<![CDATA[' + cdata[v] + ']]>');
+    }
+    return str + this.newLine;
+  }
+}
+
+function buildObjectNode(val, key, attrStr, level) {
+  if (attrStr && val.indexOf('<') === -1) {
+    return (
+      this.indentate(level) +
+      '<' +
+      key +
+      attrStr +
+      '>' +
+      val +
+      //+ this.newLine
+      // + this.indentate(level)
+      '</' +
+      key +
+      this.tagEndChar
+    );
+  } else {
+    return (
+      this.indentate(level) +
+      '<' +
+      key +
+      attrStr +
+      this.tagEndChar +
+      val +
+      //+ this.newLine
+      this.indentate(level) +
+      '</' +
+      key +
+      this.tagEndChar
+    );
+  }
+}
+
+function buildEmptyObjNode(val, key, attrStr, level) {
+  if (val !== '') {
+    return this.buildObjectNode(val, key, attrStr, level);
+  } else {
+    return this.indentate(level) + '<' + key + attrStr + '/' + this.tagEndChar;
+    //+ this.newLine
+  }
+}
+
+function buildTextValNode(val, key, attrStr, level) {
+  return (
+    this.indentate(level) +
+    '<' +
+    key +
+    attrStr +
+    '>' +
+    this.options.tagValueProcessor(val) +
+    '</' +
+    key +
+    this.tagEndChar
+  );
+}
+
+function buildEmptyTextNode(val, key, attrStr, level) {
+  if (val !== '') {
+    return this.buildTextValNode(val, key, attrStr, level);
+  } else {
+    return this.indentate(level) + '<' + key + attrStr + '/' + this.tagEndChar;
+  }
+}
+
+function indentate(level) {
+  return this.options.indentBy.repeat(level);
+}
+
+function isAttribute(name /*, options*/) {
+  if (name.startsWith(this.options.attributeNamePrefix)) {
+    return name.substr(this.attrPrefixLen);
+  } else {
+    return false;
+  }
+}
+
+function isCDATA(name) {
+  return name === this.options.cdataTagName;
+}
+
+//formatting
+//indentation
+//\n after each closing or self closing tag
+
+module.exports = Parser;

node_modules/fast-xml-parser/src/nimndata.js

@@ -0,0 +1,144 @@
+'use strict';
+const char = function(a) {
+  return String.fromCharCode(a);
+};
+
+const chars = {
+  nilChar: char(176),
+  missingChar: char(201),
+  nilPremitive: char(175),
+  missingPremitive: char(200),
+
+  emptyChar: char(178),
+  emptyValue: char(177), //empty Premitive
+
+  boundryChar: char(179),
+
+  objStart: char(198),
+  arrStart: char(204),
+  arrayEnd: char(185),
+};
+
+const charsArr = [
+  chars.nilChar,
+  chars.nilPremitive,
+  chars.missingChar,
+  chars.missingPremitive,
+  chars.boundryChar,
+  chars.emptyChar,
+  chars.emptyValue,
+  chars.arrayEnd,
+  chars.objStart,
+  chars.arrStart,
+];
+
+const _e = function(node, e_schema, options) {
+  if (typeof e_schema === 'string') {
+    //premitive
+    if (node && node[0] && node[0].val !== undefined) {
+      return getValue(node[0].val, e_schema);
+    } else {
+      return getValue(node, e_schema);
+    }
+  } else {
+    const hasValidData = hasData(node);
+    if (hasValidData === true) {
+      let str = '';
+      if (Array.isArray(e_schema)) {
+        //attributes can't be repeated. hence check in children tags only
+        str += chars.arrStart;
+        const itemSchema = e_schema[0];
+        //const itemSchemaType = itemSchema;
+        const arr_len = node.length;
+
+        if (typeof itemSchema === 'string') {
+          for (let arr_i = 0; arr_i < arr_len; arr_i++) {
+            const r = getValue(node[arr_i].val, itemSchema);
+            str = processValue(str, r);
+          }
+        } else {
+          for (let arr_i = 0; arr_i < arr_len; arr_i++) {
+            const r = _e(node[arr_i], itemSchema, options);
+            str = processValue(str, r);
+          }
+        }
+        str += chars.arrayEnd; //indicates that next item is not array item
+      } else {
+        //object
+        str += chars.objStart;
+        const keys = Object.keys(e_schema);
+        if (Array.isArray(node)) {
+          node = node[0];
+        }
+        for (let i in keys) {
+          const key = keys[i];
+          //a property defined in schema can be present either in attrsMap or children tags
+          //options.textNodeName will not present in both maps, take it's value from val
+          //options.attrNodeName will be present in attrsMap
+          let r;
+          if (!options.ignoreAttributes && node.attrsMap && node.attrsMap[key]) {
+            r = _e(node.attrsMap[key], e_schema[key], options);
+          } else if (key === options.textNodeName) {
+            r = _e(node.val, e_schema[key], options);
+          } else {
+            r = _e(node.child[key], e_schema[key], options);
+          }
+          str = processValue(str, r);
+        }
+      }
+      return str;
+    } else {
+      return hasValidData;
+    }
+  }
+};
+
+const getValue = function(a /*, type*/) {
+  switch (a) {
+    case undefined:
+      return chars.missingPremitive;
+    case null:
+      return chars.nilPremitive;
+    case '':
+      return chars.emptyValue;
+    default:
+      return a;
+  }
+};
+
+const processValue = function(str, r) {
+  if (!isAppChar(r[0]) && !isAppChar(str[str.length - 1])) {
+    str += chars.boundryChar;
+  }
+  return str + r;
+};
+
+const isAppChar = function(ch) {
+  return charsArr.indexOf(ch) !== -1;
+};
+
+function hasData(jObj) {
+  if (jObj === undefined) {
+    return chars.missingChar;
+  } else if (jObj === null) {
+    return chars.nilChar;
+  } else if (
+    jObj.child &&
+    Object.keys(jObj.child).length === 0 &&
+    (!jObj.attrsMap || Object.keys(jObj.attrsMap).length === 0)
+  ) {
+    return chars.emptyChar;
+  } else {
+    return true;
+  }
+}
+
+const x2j = require('./xmlstr2xmlnode');
+const buildOptions = require('./util').buildOptions;
+
+const convert2nimn = function(node, e_schema, options) {
+  options = buildOptions(options, x2j.defaultOptions, x2j.props);
+  return _e(node, e_schema, options);
+};
+
+exports.convert2nimn = convert2nimn;

node_modules/fast-xml-parser/src/node2json.js

@@ -0,0 +1,42 @@
+'use strict';
+
+const util = require('./util');
+
+const convertToJson = function(node, options, parentTagName) {
+  const jObj = {};
+
+  // when no child node or attr is present
+  if (!options.alwaysCreateTextNode && (!node.child || util.isEmptyObject(node.child)) && (!node.attrsMap || util.isEmptyObject(node.attrsMap))) {
+    return util.isExist(node.val) ? node.val : '';
+  }
+
+  // otherwise create a textnode if node has some text
+  if (util.isExist(node.val) && !(typeof node.val === 'string' && (node.val === '' || node.val === options.cdataPositionChar))) {
+    const asArray = util.isTagNameInArrayMode(node.tagname, options.arrayMode, parentTagName)
+    jObj[options.textNodeName] = asArray ? [node.val] : node.val;
+  }
+
+  util.merge(jObj, node.attrsMap, options.arrayMode);
+
+  const keys = Object.keys(node.child);
+  for (let index = 0; index < keys.length; index++) {
+    const tagName = keys[index];
+    if (node.child[tagName] && node.child[tagName].length > 1) {
+      jObj[tagName] = [];
+      for (let tag in node.child[tagName]) {
+        if (node.child[tagName].hasOwnProperty(tag)) {
+          jObj[tagName].push(convertToJson(node.child[tagName][tag], options, tagName));
+        }
+      }
+    } else {
+      const result = convertToJson(node.child[tagName][0], options, tagName);
+      const asArray = (options.arrayMode === true && typeof result === 'object') || util.isTagNameInArrayMode(tagName, options.arrayMode, parentTagName);
+      jObj[tagName] = asArray ? [result] : result;
+    }
+  }
+
+  //add value
+  return jObj;
+};
+
+exports.convertToJson = convertToJson;

node_modules/fast-xml-parser/src/node2json_str.js

@@ -0,0 +1,63 @@
+'use strict';
+
+const util = require('./util');
+const buildOptions = require('./util').buildOptions;
+const x2j = require('./xmlstr2xmlnode');
+
+//TODO: do it later
+const convertToJsonString = function(node, options) {
+  options = buildOptions(options, x2j.defaultOptions, x2j.props);
+
+  options.indentBy = options.indentBy || '';
+  return _cToJsonStr(node, options, 0);
+};
+
+const _cToJsonStr = function(node, options, level) {
+  let jObj = '{';
+
+  //traver through all the children
+  const keys = Object.keys(node.child);
+
+  for (let index = 0; index < keys.length; index++) {
+    const tagname = keys[index];
+    if (node.child[tagname] && node.child[tagname].length > 1) {
+      jObj += '"' + tagname + '" : [ ';
+      for (let tag in node.child[tagname]) {
+        jObj += _cToJsonStr(node.child[tagname][tag], options) + ' , ';
+      }
+      jObj = jObj.substr(0, jObj.length - 1) + ' ] '; //remove extra comma in last
+    } else {
+      jObj += '"' + tagname + '" : ' + _cToJsonStr(node.child[tagname][0], options) + ' ,';
+    }
+  }
+  util.merge(jObj, node.attrsMap);
+  //add attrsMap as new children
+  if (util.isEmptyObject(jObj)) {
+    return util.isExist(node.val) ? node.val : '';
+  } else {
+    if (util.isExist(node.val)) {
+      if (!(typeof node.val === 'string' && (node.val === '' || node.val === options.cdataPositionChar))) {
+        jObj += '"' + options.textNodeName + '" : ' + stringval(node.val);
+      }
+    }
+  }
+  //add value
+  if (jObj[jObj.length - 1] === ',') {
+    jObj = jObj.substr(0, jObj.length - 2);
+  }
+  return jObj + '}';
+};
+
+function stringval(v) {
+  if (v === true || v === false || !isNaN(v)) {
+    return v;
+  } else {
+    return '"' + v + '"';
+  }
+}
+
+function indentate(options, level) {
+  return options.indentBy.repeat(level);
+}
+
+exports.convertToJsonString = convertToJsonString;

node_modules/fast-xml-parser/src/parser.d.ts

@@ -0,0 +1,79 @@
+type X2jOptions = {
+  attributeNamePrefix: string;
+  attrNodeName: false | string;
+  textNodeName: string;
+  ignoreAttributes: boolean;
+  ignoreNameSpace: boolean;
+  allowBooleanAttributes: boolean;
+  parseNodeValue: boolean;
+  parseAttributeValue: boolean;
+  arrayMode: boolean | 'strict' | RegExp | ((tagName: string, parentTagName: string) => boolean);
+  trimValues: boolean;
+  cdataTagName: false | string;
+  cdataPositionChar: string;
+  parseTrueNumberOnly: boolean;
+  numParseOptions: strnumOptions;
+  tagValueProcessor: (tagValue: string, tagName: string) => string;
+  attrValueProcessor: (attrValue: string, attrName: string) => string;
+  stopNodes: string[];
+  alwaysCreateTextNode: boolean;
+};
+type strnumOptions = {
+  hex: boolean;
+  leadingZeros: boolean,
+  skipLike?: RegExp
+}
+type X2jOptionsOptional = Partial<X2jOptions>;
+type validationOptions = {
+  allowBooleanAttributes: boolean;
+};
+type validationOptionsOptional = Partial<validationOptions>;
+type J2xOptions = {
+  attributeNamePrefix: string;
+  attrNodeName: false | string;
+  textNodeName: string;
+  ignoreAttributes: boolean;
+  cdataTagName: false | string;
+  cdataPositionChar: string;
+  format: boolean;
+  indentBy: string;
+  supressEmptyNode: boolean;
+  tagValueProcessor: (tagValue: string) => string;
+  attrValueProcessor: (attrValue: string) => string;
+};
+type J2xOptionsOptional = Partial<J2xOptions>;
+
+type ESchema = string | object | Array<string|object>;
+
+type ValidationError = {
+  err: { code: string; msg: string, line: number, col: number };
+};
+
+export function parse(xmlData: string, options?: X2jOptionsOptional, validationOptions?: validationOptionsOptional | boolean): any;
+export function convert2nimn(
+  node: any,
+  e_schema: ESchema,
+  options?: X2jOptionsOptional
+): any;
+export function getTraversalObj(
+  xmlData: string,
+  options?: X2jOptionsOptional
+): any;
+export function convertToJson(node: any, options?: X2jOptionsOptional): any;
+export function convertToJsonString(
+  node: any,
+  options?: X2jOptionsOptional
+): string;
+export function validate(
+  xmlData: string,
+  options?: validationOptionsOptional
+): true | ValidationError;
+export class j2xParser {
+  constructor(options: J2xOptionsOptional);
+  parse(options: any): any;
+}
+export function parseToNimn(
+  xmlData: string,
+  schema: any,
+  options: Partial<X2jOptions>
+): any;

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

@@ -0,0 +1,76 @@
+'use strict';
+
+const nodeToJson = require('./node2json');
+const xmlToNodeobj = require('./xmlstr2xmlnode');
+const x2xmlnode = require('./xmlstr2xmlnode');
+const buildOptions = require('./util').buildOptions;
+const validator = require('./validator');
+
+exports.parse = function(xmlData, givenOptions = {}, validationOption) {
+  if( validationOption){
+    if(validationOption === true) validationOption = {}
+    
+    const result = validator.validate(xmlData, validationOption);
+    if (result !== true) {
+      throw Error( result.err.msg)
+    }
+  }
+  if(givenOptions.parseTrueNumberOnly 
+    && givenOptions.parseNodeValue !== false
+    && !givenOptions.numParseOptions){
+    
+      givenOptions.numParseOptions = {
+        leadingZeros: false,
+      }
+  }
+  let options = buildOptions(givenOptions, x2xmlnode.defaultOptions, x2xmlnode.props);
+
+  const traversableObj = xmlToNodeobj.getTraversalObj(xmlData, options)
+  //print(traversableObj, "  ");
+  return nodeToJson.convertToJson(traversableObj, options);
+};
+exports.convertTonimn = require('./nimndata').convert2nimn;
+exports.getTraversalObj = xmlToNodeobj.getTraversalObj;
+exports.convertToJson = nodeToJson.convertToJson;
+exports.convertToJsonString = require('./node2json_str').convertToJsonString;
+exports.validate = validator.validate;
+exports.j2xParser = require('./json2xml');
+exports.parseToNimn = function(xmlData, schema, options) {
+  return exports.convertTonimn(exports.getTraversalObj(xmlData, options), schema, options);
+};
+
+
+function print(xmlNode, indentation){
+  if(xmlNode){
+    console.log(indentation + "{")
+    console.log(indentation + "  \"tagName\": \"" + xmlNode.tagname + "\", ");
+    if(xmlNode.parent){
+      console.log(indentation + "  \"parent\": \"" + xmlNode.parent.tagname  + "\", ");
+    }
+    console.log(indentation + "  \"val\": \"" + xmlNode.val  + "\", ");
+    console.log(indentation + "  \"attrs\": " + JSON.stringify(xmlNode.attrsMap,null,4)  + ", ");
+
+    if(xmlNode.child){
+      console.log(indentation + "\"child\": {")
+      const indentation2 = indentation + indentation;
+      Object.keys(xmlNode.child).forEach( function(key) {
+        const node = xmlNode.child[key];
+
+        if(Array.isArray(node)){
+          console.log(indentation +  "\""+key+"\" :[")
+          node.forEach( function(item,index) {
+            //console.log(indentation + " \""+index+"\" : [")
+            print(item, indentation2);
+          })
+          console.log(indentation + "],")  
+        }else{
+          console.log(indentation + " \""+key+"\" : {")
+          print(node, indentation2);
+          console.log(indentation + "},")  
+        }
+      });
+      console.log(indentation + "},")
+    }
+    console.log(indentation + "},")
+  }
+}

node_modules/fast-xml-parser/src/read.js

@@ -0,0 +1,92 @@
+'use strict';
+
+// Copyright 2013 Timothy J Fontaine <tjfontaine@gmail.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE
+
+/*
+
+Read any stream all the way to the end and trigger a single cb
+
+const http = require('http');
+
+const rte = require('readtoend');
+
+http.get('http://nodejs.org', function(response) {
+  rte.readToEnd(response, function(err, body) {
+    console.log(body);
+  });
+});
+
+*/
+
+let stream = require('stream');
+const util = require('util');
+
+if (!stream.Transform) {
+  stream = require('readable-stream');
+}
+
+function ReadToEnd(opts) {
+  if (!(this instanceof ReadToEnd)) {
+    return new ReadToEnd(opts);
+  }
+
+  stream.Transform.call(this, opts);
+
+  this._rte_encoding = opts.encoding || 'utf8';
+
+  this._buff = '';
+}
+
+module.exports = ReadToEnd;
+util.inherits(ReadToEnd, stream.Transform);
+
+ReadToEnd.prototype._transform = function(chunk, encoding, done) {
+  this._buff += chunk.toString(this._rte_encoding);
+  this.push(chunk);
+  done();
+};
+
+ReadToEnd.prototype._flush = function(done) {
+  this.emit('complete', undefined, this._buff);
+  done();
+};
+
+ReadToEnd.readToEnd = function(stream, options, cb) {
+  if (!cb) {
+    cb = options;
+    options = {};
+  }
+
+  const dest = new ReadToEnd(options);
+
+  stream.pipe(dest);
+
+  stream.on('error', function(err) {
+    stream.unpipe(dest);
+    cb(err);
+  });
+
+  dest.on('complete', cb);
+
+  dest.resume();
+
+  return dest;
+};

node_modules/fast-xml-parser/src/util.js

@@ -0,0 +1,108 @@
+'use strict';
+
+const nameStartChar = ':A-Za-z_\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD';
+const nameChar = nameStartChar + '\\-.\\d\\u00B7\\u0300-\\u036F\\u203F-\\u2040';
+const nameRegexp = '[' + nameStartChar + '][' + nameChar + ']*'
+const regexName = new RegExp('^' + nameRegexp + '$');
+
+const getAllMatches = function(string, regex) {
+  const matches = [];
+  let match = regex.exec(string);
+  while (match) {
+    const allmatches = [];
+    allmatches.startIndex = regex.lastIndex - match[0].length;
+    const len = match.length;
+    for (let index = 0; index < len; index++) {
+      allmatches.push(match[index]);
+    }
+    matches.push(allmatches);
+    match = regex.exec(string);
+  }
+  return matches;
+};
+
+const isName = function(string) {
+  const match = regexName.exec(string);
+  return !(match === null || typeof match === 'undefined');
+};
+
+exports.isExist = function(v) {
+  return typeof v !== 'undefined';
+};
+
+exports.isEmptyObject = function(obj) {
+  return Object.keys(obj).length === 0;
+};
+
+/**
+ * Copy all the properties of a into b.
+ * @param {*} target
+ * @param {*} a
+ */
+exports.merge = function(target, a, arrayMode) {
+  if (a) {
+    const keys = Object.keys(a); // will return an array of own properties
+    const len = keys.length; //don't make it inline
+    for (let i = 0; i < len; i++) {
+      if (arrayMode === 'strict') {
+        target[keys[i]] = [ a[keys[i]] ];
+      } else {
+        target[keys[i]] = a[keys[i]];
+      }
+    }
+  }
+};
+/* exports.merge =function (b,a){
+  return Object.assign(b,a);
+} */
+
+exports.getValue = function(v) {
+  if (exports.isExist(v)) {
+    return v;
+  } else {
+    return '';
+  }
+};
+
+// const fakeCall = function(a) {return a;};
+// const fakeCallNoReturn = function() {};
+
+exports.buildOptions = function(options, defaultOptions, props) {
+  let newOptions = {};
+  if (!options) {
+    return defaultOptions; //if there are not options
+  }
+
+  for (let i = 0; i < props.length; i++) {
+    if (options[props[i]] !== undefined) {
+      newOptions[props[i]] = options[props[i]];
+    } else {
+      newOptions[props[i]] = defaultOptions[props[i]];
+    }
+  }
+  return newOptions;
+};
+
+/**
+ * Check if a tag name should be treated as array
+ *
+ * @param tagName the node tagname
+ * @param arrayMode the array mode option
+ * @param parentTagName the parent tag name
+ * @returns {boolean} true if node should be parsed as array
+ */
+exports.isTagNameInArrayMode = function (tagName, arrayMode, parentTagName) {
+  if (arrayMode === false) {
+    return false;
+  } else if (arrayMode instanceof RegExp) {
+    return arrayMode.test(tagName);
+  } else if (typeof arrayMode === 'function') {
+    return !!arrayMode(tagName, parentTagName);
+  }
+
+  return arrayMode === "strict";
+}
+
+exports.isName = isName;
+exports.getAllMatches = getAllMatches;
+exports.nameRegexp = nameRegexp;

node_modules/fast-xml-parser/src/validator.js

@@ -0,0 +1,413 @@
+'use strict';
+
+const util = require('./util');
+
+const defaultOptions = {
+  allowBooleanAttributes: false, //A tag can have attributes without any value
+};
+
+const props = ['allowBooleanAttributes'];
+
+//const tagsPattern = new RegExp("<\\/?([\\w:\\-_\.]+)\\s*\/?>","g");
+exports.validate = function (xmlData, options) {
+  options = util.buildOptions(options, defaultOptions, props);
+
+  //xmlData = xmlData.replace(/(\r\n|\n|\r)/gm,"");//make it single line
+  //xmlData = xmlData.replace(/(^\s*<\?xml.*?\?>)/g,"");//Remove XML starting tag
+  //xmlData = xmlData.replace(/(<!DOCTYPE[\s\w\"\.\/\-\:]+(\[.*\])*\s*>)/g,"");//Remove DOCTYPE
+  const tags = [];
+  let tagFound = false;
+
+  //indicates that the root tag has been closed (aka. depth 0 has been reached)
+  let reachedRoot = false;
+
+  if (xmlData[0] === '\ufeff') {
+    // check for byte order mark (BOM)
+    xmlData = xmlData.substr(1);
+  }
+
+  for (let i = 0; i < xmlData.length; i++) {
+
+    if (xmlData[i] === '<' && xmlData[i+1] === '?') {
+      i+=2;
+      i = readPI(xmlData,i);
+      if (i.err) return i;
+    }else if (xmlData[i] === '<') {
+      //starting of tag
+      //read until you reach to '>' avoiding any '>' in attribute value
+      let tagStartPos = i;
+      i++;
+      
+      if (xmlData[i] === '!') {
+        i = readCommentAndCDATA(xmlData, i);
+        continue;
+      } else {
+        let closingTag = false;
+        if (xmlData[i] === '/') {
+          //closing tag
+          closingTag = true;
+          i++;
+        }
+        //read tagname
+        let tagName = '';
+        for (; i < xmlData.length &&
+          xmlData[i] !== '>' &&
+          xmlData[i] !== ' ' &&
+          xmlData[i] !== '\t' &&
+          xmlData[i] !== '\n' &&
+          xmlData[i] !== '\r'; i++
+        ) {
+          tagName += xmlData[i];
+        }
+        tagName = tagName.trim();
+        //console.log(tagName);
+
+        if (tagName[tagName.length - 1] === '/') {
+          //self closing tag without attributes
+          tagName = tagName.substring(0, tagName.length - 1);
+          //continue;
+          i--;
+        }
+        if (!validateTagName(tagName)) {
+          let msg;
+          if (tagName.trim().length === 0) {
+            msg = "Invalid space after '<'.";
+          } else {
+            msg = "Tag '"+tagName+"' is an invalid name.";
+          }
+          return getErrorObject('InvalidTag', msg, getLineNumberForPosition(xmlData, i));
+        }
+
+        const result = readAttributeStr(xmlData, i);
+        if (result === false) {
+          return getErrorObject('InvalidAttr', "Attributes for '"+tagName+"' have open quote.", getLineNumberForPosition(xmlData, i));
+        }
+        let attrStr = result.value;
+        i = result.index;
+
+        if (attrStr[attrStr.length - 1] === '/') {
+          //self closing tag
+          const attrStrStart = i - attrStr.length;
+          attrStr = attrStr.substring(0, attrStr.length - 1);
+          const isValid = validateAttributeString(attrStr, options);
+          if (isValid === true) {
+            tagFound = true;
+            //continue; //text may presents after self closing tag
+          } else {
+            //the result from the nested function returns the position of the error within the attribute
+            //in order to get the 'true' error line, we need to calculate the position where the attribute begins (i - attrStr.length) and then add the position within the attribute
+            //this gives us the absolute index in the entire xml, which we can use to find the line at last
+            return getErrorObject(isValid.err.code, isValid.err.msg, getLineNumberForPosition(xmlData, attrStrStart + isValid.err.line));
+          }
+        } else if (closingTag) {
+          if (!result.tagClosed) {
+            return getErrorObject('InvalidTag', "Closing tag '"+tagName+"' doesn't have proper closing.", getLineNumberForPosition(xmlData, i));
+          } else if (attrStr.trim().length > 0) {
+            return getErrorObject('InvalidTag', "Closing tag '"+tagName+"' can't have attributes or invalid starting.", getLineNumberForPosition(xmlData, tagStartPos));
+          } else {
+            const otg = tags.pop();
+            if (tagName !== otg.tagName) {
+              let openPos = getLineNumberForPosition(xmlData, otg.tagStartPos);
+              return getErrorObject('InvalidTag',
+                "Expected closing tag '"+otg.tagName+"' (opened in line "+openPos.line+", col "+openPos.col+") instead of closing tag '"+tagName+"'.",
+                getLineNumberForPosition(xmlData, tagStartPos));
+            }
+
+            //when there are no more tags, we reached the root level.
+            if (tags.length == 0) {
+              reachedRoot = true;
+            }
+          }
+        } else {
+          const isValid = validateAttributeString(attrStr, options);
+          if (isValid !== true) {
+            //the result from the nested function returns the position of the error within the attribute
+            //in order to get the 'true' error line, we need to calculate the position where the attribute begins (i - attrStr.length) and then add the position within the attribute
+            //this gives us the absolute index in the entire xml, which we can use to find the line at last
+            return getErrorObject(isValid.err.code, isValid.err.msg, getLineNumberForPosition(xmlData, i - attrStr.length + isValid.err.line));
+          }
+
+          //if the root level has been reached before ...
+          if (reachedRoot === true) {
+            return getErrorObject('InvalidXml', 'Multiple possible root nodes found.', getLineNumberForPosition(xmlData, i));
+          } else {
+            tags.push({tagName, tagStartPos});
+          }
+          tagFound = true;
+        }
+
+        //skip tag text value
+        //It may include comments and CDATA value
+        for (i++; i < xmlData.length; i++) {
+          if (xmlData[i] === '<') {
+            if (xmlData[i + 1] === '!') {
+              //comment or CADATA
+              i++;
+              i = readCommentAndCDATA(xmlData, i);
+              continue;
+            } else if (xmlData[i+1] === '?') {
+              i = readPI(xmlData, ++i);
+              if (i.err) return i;
+            } else{
+              break;
+            }
+          } else if (xmlData[i] === '&') {
+            const afterAmp = validateAmpersand(xmlData, i);
+            if (afterAmp == -1)
+              return getErrorObject('InvalidChar', "char '&' is not expected.", getLineNumberForPosition(xmlData, i));
+            i = afterAmp;
+          }
+        } //end of reading tag text value
+        if (xmlData[i] === '<') {
+          i--;
+        }
+      }
+    } else {
+      if (xmlData[i] === ' ' || xmlData[i] === '\t' || xmlData[i] === '\n' || xmlData[i] === '\r') {
+        continue;
+      }
+      return getErrorObject('InvalidChar', "char '"+xmlData[i]+"' is not expected.", getLineNumberForPosition(xmlData, i));
+    }
+  }
+
+  if (!tagFound) {
+    return getErrorObject('InvalidXml', 'Start tag expected.', 1);
+  }else if (tags.length == 1) {
+      return getErrorObject('InvalidTag', "Unclosed tag '"+tags[0].tagName+"'.", getLineNumberForPosition(xmlData, tags[0].tagStartPos));
+  }else if (tags.length > 0) {
+      return getErrorObject('InvalidXml', "Invalid '"+
+          JSON.stringify(tags.map(t => t.tagName), null, 4).replace(/\r?\n/g, '')+
+          "' found.", {line: 1, col: 1});
+  }
+
+  return true;
+};
+
+/**
+ * Read Processing insstructions and skip
+ * @param {*} xmlData
+ * @param {*} i
+ */
+function readPI(xmlData, i) {
+  const start = i;
+  for (; i < xmlData.length; i++) {
+    if (xmlData[i] == '?' || xmlData[i] == ' ') {
+      //tagname
+      const tagname = xmlData.substr(start, i - start);
+      if (i > 5 && tagname === 'xml') {
+        return getErrorObject('InvalidXml', 'XML declaration allowed only at the start of the document.', getLineNumberForPosition(xmlData, i));
+      } else if (xmlData[i] == '?' && xmlData[i + 1] == '>') {
+        //check if valid attribut string
+        i++;
+        break;
+      } else {
+        continue;
+      }
+    }
+  }
+  return i;
+}
+
+function readCommentAndCDATA(xmlData, i) {
+  if (xmlData.length > i + 5 && xmlData[i + 1] === '-' && xmlData[i + 2] === '-') {
+    //comment
+    for (i += 3; i < xmlData.length; i++) {
+      if (xmlData[i] === '-' && xmlData[i + 1] === '-' && xmlData[i + 2] === '>') {
+        i += 2;
+        break;
+      }
+    }
+  } else if (
+    xmlData.length > i + 8 &&
+    xmlData[i + 1] === 'D' &&
+    xmlData[i + 2] === 'O' &&
+    xmlData[i + 3] === 'C' &&
+    xmlData[i + 4] === 'T' &&
+    xmlData[i + 5] === 'Y' &&
+    xmlData[i + 6] === 'P' &&
+    xmlData[i + 7] === 'E'
+  ) {
+    let angleBracketsCount = 1;
+    for (i += 8; i < xmlData.length; i++) {
+      if (xmlData[i] === '<') {
+        angleBracketsCount++;
+      } else if (xmlData[i] === '>') {
+        angleBracketsCount--;
+        if (angleBracketsCount === 0) {
+          break;
+        }
+      }
+    }
+  } else if (
+    xmlData.length > i + 9 &&
+    xmlData[i + 1] === '[' &&
+    xmlData[i + 2] === 'C' &&
+    xmlData[i + 3] === 'D' &&
+    xmlData[i + 4] === 'A' &&
+    xmlData[i + 5] === 'T' &&
+    xmlData[i + 6] === 'A' &&
+    xmlData[i + 7] === '['
+  ) {
+    for (i += 8; i < xmlData.length; i++) {
+      if (xmlData[i] === ']' && xmlData[i + 1] === ']' && xmlData[i + 2] === '>') {
+        i += 2;
+        break;
+      }
+    }
+  }
+
+  return i;
+}
+
+const doubleQuote = '"';
+const singleQuote = "'";
+
+/**
+ * Keep reading xmlData until '<' is found outside the attribute value.
+ * @param {string} xmlData
+ * @param {number} i
+ */
+function readAttributeStr(xmlData, i) {
+  let attrStr = '';
+  let startChar = '';
+  let tagClosed = false;
+  for (; i < xmlData.length; i++) {
+    if (xmlData[i] === doubleQuote || xmlData[i] === singleQuote) {
+      if (startChar === '') {
+        startChar = xmlData[i];
+      } else if (startChar !== xmlData[i]) {
+        //if vaue is enclosed with double quote then single quotes are allowed inside the value and vice versa
+      } else {
+        startChar = '';
+      }
+    } else if (xmlData[i] === '>') {
+      if (startChar === '') {
+        tagClosed = true;
+        break;
+      }
+    }
+    attrStr += xmlData[i];
+  }
+  if (startChar !== '') {
+    return false;
+  }
+
+  return {
+    value: attrStr,
+    index: i,
+    tagClosed: tagClosed
+  };
+}
+
+/**
+ * Select all the attributes whether valid or invalid.
+ */
+const validAttrStrRegxp = new RegExp('(\\s*)([^\\s=]+)(\\s*=)?(\\s*([\'"])(([\\s\\S])*?)\\5)?', 'g');
+
+//attr, ="sd", a="amit's", a="sd"b="saf", ab  cd=""
+
+function validateAttributeString(attrStr, options) {
+  //console.log("start:"+attrStr+":end");
+
+  //if(attrStr.trim().length === 0) return true; //empty string
+
+  const matches = util.getAllMatches(attrStr, validAttrStrRegxp);
+  const attrNames = {};
+
+  for (let i = 0; i < matches.length; i++) {
+    if (matches[i][1].length === 0) {
+      //nospace before attribute name: a="sd"b="saf"
+      return getErrorObject('InvalidAttr', "Attribute '"+matches[i][2]+"' has no space in starting.", getPositionFromMatch(matches[i]))
+    } else if (matches[i][3] === undefined && !options.allowBooleanAttributes) {
+      //independent attribute: ab
+      return getErrorObject('InvalidAttr', "boolean attribute '"+matches[i][2]+"' is not allowed.", getPositionFromMatch(matches[i]));
+    }
+    /* else if(matches[i][6] === undefined){//attribute without value: ab=
+                    return { err: { code:"InvalidAttr",msg:"attribute " + matches[i][2] + " has no value assigned."}};
+                } */
+    const attrName = matches[i][2];
+    if (!validateAttrName(attrName)) {
+      return getErrorObject('InvalidAttr', "Attribute '"+attrName+"' is an invalid name.", getPositionFromMatch(matches[i]));
+    }
+    if (!attrNames.hasOwnProperty(attrName)) {
+      //check for duplicate attribute.
+      attrNames[attrName] = 1;
+    } else {
+      return getErrorObject('InvalidAttr', "Attribute '"+attrName+"' is repeated.", getPositionFromMatch(matches[i]));
+    }
+  }
+
+  return true;
+}
+
+function validateNumberAmpersand(xmlData, i) {
+  let re = /\d/;
+  if (xmlData[i] === 'x') {
+    i++;
+    re = /[\da-fA-F]/;
+  }
+  for (; i < xmlData.length; i++) {
+    if (xmlData[i] === ';')
+      return i;
+    if (!xmlData[i].match(re))
+      break;
+  }
+  return -1;
+}
+
+function validateAmpersand(xmlData, i) {
+  // https://www.w3.org/TR/xml/#dt-charref
+  i++;
+  if (xmlData[i] === ';')
+    return -1;
+  if (xmlData[i] === '#') {
+    i++;
+    return validateNumberAmpersand(xmlData, i);
+  }
+  let count = 0;
+  for (; i < xmlData.length; i++, count++) {
+    if (xmlData[i].match(/\w/) && count < 20)
+      continue;
+    if (xmlData[i] === ';')
+      break;
+    return -1;
+  }
+  return i;
+}
+
+function getErrorObject(code, message, lineNumber) {
+  return {
+    err: {
+      code: code,
+      msg: message,
+      line: lineNumber.line || lineNumber,
+      col: lineNumber.col,
+    },
+  };
+}
+
+function validateAttrName(attrName) {
+  return util.isName(attrName);
+}
+
+// const startsWithXML = /^xml/i;
+
+function validateTagName(tagname) {
+  return util.isName(tagname) /* && !tagname.match(startsWithXML) */;
+}
+
+//this function returns the line number for the character at the given index
+function getLineNumberForPosition(xmlData, index) {
+  const lines = xmlData.substring(0, index).split(/\r?\n/);
+  return {
+    line: lines.length,
+
+    // column number is last line's length + 1, because column numbering starts at 1:
+    col: lines[lines.length - 1].length + 1
+  };
+}
+
+//this function returns the position of the first character of match within attrStr
+function getPositionFromMatch(match) {
+  return match.startIndex + match[1].length;
+}

node_modules/fast-xml-parser/src/xmlNode.js

@@ -0,0 +1,17 @@
+'use strict';
+
+module.exports = function(tagname, parent, val) {
+  this.tagname = tagname;
+  this.parent = parent;
+  this.child = {}; //child tags
+  this.attrsMap = {}; //attributes map
+  this.val = val; //text only
+  this.addChild = function(child) {
+    if (Array.isArray(this.child[child.tagname])) {
+      //already presents
+      this.child[child.tagname].push(child);
+    } else {
+      this.child[child.tagname] = [child];
+    }
+  };
+};

node_modules/fast-xml-parser/src/xmlstr2xmlnode.js

@@ -0,0 +1,339 @@
+'use strict';
+
+const util = require('./util');
+const buildOptions = require('./util').buildOptions;
+const xmlNode = require('./xmlNode');
+const toNumber = require("strnum");
+
+const regx =
+  '<((!\\[CDATA\\[([\\s\\S]*?)(]]>))|((NAME:)?(NAME))([^>]*)>|((\\/)(NAME)\\s*>))([^<]*)'
+  .replace(/NAME/g, util.nameRegexp);
+
+//const tagsRegx = new RegExp("<(\\/?[\\w:\\-\._]+)([^>]*)>(\\s*"+cdataRegx+")*([^<]+)?","g");
+//const tagsRegx = new RegExp("<(\\/?)((\\w*:)?([\\w:\\-\._]+))([^>]*)>([^<]*)("+cdataRegx+"([^<]*))*([^<]+)?","g");
+
+//polyfill
+if (!Number.parseInt && window.parseInt) {
+  Number.parseInt = window.parseInt;
+}
+if (!Number.parseFloat && window.parseFloat) {
+  Number.parseFloat = window.parseFloat;
+}
+
+const defaultOptions = {
+  attributeNamePrefix: '@_',
+  attrNodeName: false,
+  textNodeName: '#text',
+  ignoreAttributes: true,
+  ignoreNameSpace: false,
+  allowBooleanAttributes: false, //a tag can have attributes without any value
+  //ignoreRootElement : false,
+  parseNodeValue: true,
+  parseAttributeValue: false,
+  arrayMode: false,
+  trimValues: true, //Trim string values of tag and attributes
+  cdataTagName: false,
+  cdataPositionChar: '\\c',
+  numParseOptions: {
+    hex: true,
+    leadingZeros: true
+  },
+  tagValueProcessor: function(a, tagName) {
+    return a;
+  },
+  attrValueProcessor: function(a, attrName) {
+    return a;
+  },
+  stopNodes: [],
+  alwaysCreateTextNode: false
+  //decodeStrict: false,
+};
+
+exports.defaultOptions = defaultOptions;
+
+const props = [
+  'attributeNamePrefix',
+  'attrNodeName',
+  'textNodeName',
+  'ignoreAttributes',
+  'ignoreNameSpace',
+  'allowBooleanAttributes',
+  'parseNodeValue',
+  'parseAttributeValue',
+  'arrayMode',
+  'trimValues',
+  'cdataTagName',
+  'cdataPositionChar',
+  'tagValueProcessor',
+  'attrValueProcessor',
+  'parseTrueNumberOnly',
+  'numParseOptions',
+  'stopNodes',
+  'alwaysCreateTextNode'
+];
+exports.props = props;
+
+/**
+ * Trim -> valueProcessor -> parse value
+ * @param {string} tagName
+ * @param {string} val
+ * @param {object} options
+ */
+function processTagValue(tagName, val, options) {
+  if (val) {
+    if (options.trimValues) {
+      val = val.trim();
+    }
+    val = options.tagValueProcessor(val, tagName);
+    val = parseValue(val, options.parseNodeValue, options.numParseOptions);
+  }
+
+  return val;
+}
+
+function resolveNameSpace(tagname, options) {
+  if (options.ignoreNameSpace) {
+    const tags = tagname.split(':');
+    const prefix = tagname.charAt(0) === '/' ? '/' : '';
+    if (tags[0] === 'xmlns') {
+      return '';
+    }
+    if (tags.length === 2) {
+      tagname = prefix + tags[1];
+    }
+  }
+  return tagname;
+}
+
+function parseValue(val, shouldParse, options) {
+  if (shouldParse && typeof val === 'string') {
+    //console.log(options)
+    const newval = val.trim();
+    if(newval === 'true' ) return true;
+    else if(newval === 'false' ) return false;
+    else return toNumber(val, options);
+  } else {
+    if (util.isExist(val)) {
+      return val;
+    } else {
+      return '';
+    }
+  }
+}
+
+//TODO: change regex to capture NS
+//const attrsRegx = new RegExp("([\\w\\-\\.\\:]+)\\s*=\\s*(['\"])((.|\n)*?)\\2","gm");
+const attrsRegx = new RegExp('([^\\s=]+)\\s*(=\\s*([\'"])(.*?)\\3)?', 'g');
+
+function buildAttributesMap(attrStr, options) {
+  if (!options.ignoreAttributes && typeof attrStr === 'string') {
+    attrStr = attrStr.replace(/\r?\n/g, ' ');
+    //attrStr = attrStr || attrStr.trim();
+
+    const matches = util.getAllMatches(attrStr, attrsRegx);
+    const len = matches.length; //don't make it inline
+    const attrs = {};
+    for (let i = 0; i < len; i++) {
+      const attrName = resolveNameSpace(matches[i][1], options);
+      if (attrName.length) {
+        if (matches[i][4] !== undefined) {
+          if (options.trimValues) {
+            matches[i][4] = matches[i][4].trim();
+          }
+          matches[i][4] = options.attrValueProcessor(matches[i][4], attrName);
+          attrs[options.attributeNamePrefix + attrName] = parseValue(
+            matches[i][4],
+            options.parseAttributeValue,
+            options.numParseOptions
+          );
+        } else if (options.allowBooleanAttributes) {
+          attrs[options.attributeNamePrefix + attrName] = true;
+        }
+      }
+    }
+    if (!Object.keys(attrs).length) {
+      return;
+    }
+    if (options.attrNodeName) {
+      const attrCollection = {};
+      attrCollection[options.attrNodeName] = attrs;
+      return attrCollection;
+    }
+    return attrs;
+  }
+}
+
+const getTraversalObj = function(xmlData, options) {
+  xmlData = xmlData.replace(/\r\n?/g, "\n");
+  options = buildOptions(options, defaultOptions, props);
+  const xmlObj = new xmlNode('!xml');
+  let currentNode = xmlObj;
+  let textData = "";
+
+//function match(xmlData){
+  for(let i=0; i< xmlData.length; i++){
+    const ch = xmlData[i];
+    if(ch === '<'){
+      if( xmlData[i+1] === '/') {//Closing Tag
+        const closeIndex = findClosingIndex(xmlData, ">", i, "Closing Tag is not closed.")
+        let tagName = xmlData.substring(i+2,closeIndex).trim();
+
+        if(options.ignoreNameSpace){
+          const colonIndex = tagName.indexOf(":");
+          if(colonIndex !== -1){
+            tagName = tagName.substr(colonIndex+1);
+          }
+        }
+
+        /* if (currentNode.parent) {
+          currentNode.parent.val = util.getValue(currentNode.parent.val) + '' + processTagValue2(tagName, textData , options);
+        } */
+        if(currentNode){
+          if(currentNode.val){
+            currentNode.val = util.getValue(currentNode.val) + '' + processTagValue(tagName, textData , options);
+          }else{
+            currentNode.val = processTagValue(tagName, textData , options);
+          }
+        }
+
+        if (options.stopNodes.length && options.stopNodes.includes(currentNode.tagname)) {
+          currentNode.child = []
+          if (currentNode.attrsMap == undefined) { currentNode.attrsMap = {}}
+          currentNode.val = xmlData.substr(currentNode.startIndex + 1, i - currentNode.startIndex - 1)
+        }
+        currentNode = currentNode.parent;
+        textData = "";
+        i = closeIndex;
+      } else if( xmlData[i+1] === '?') {
+        i = findClosingIndex(xmlData, "?>", i, "Pi Tag is not closed.")
+      } else if(xmlData.substr(i + 1, 3) === '!--') {
+        i = findClosingIndex(xmlData, "-->", i, "Comment is not closed.")
+      } else if( xmlData.substr(i + 1, 2) === '!D') {
+        const closeIndex = findClosingIndex(xmlData, ">", i, "DOCTYPE is not closed.")
+        const tagExp = xmlData.substring(i, closeIndex);
+        if(tagExp.indexOf("[") >= 0){
+          i = xmlData.indexOf("]>", i) + 1;
+        }else{
+          i = closeIndex;
+        }
+      }else if(xmlData.substr(i + 1, 2) === '![') {
+        const closeIndex = findClosingIndex(xmlData, "]]>", i, "CDATA is not closed.") - 2
+        const tagExp = xmlData.substring(i + 9,closeIndex);
+
+        //considerations
+        //1. CDATA will always have parent node
+        //2. A tag with CDATA is not a leaf node so it's value would be string type.
+        if(textData){
+          currentNode.val = util.getValue(currentNode.val) + '' + processTagValue(currentNode.tagname, textData , options);
+          textData = "";
+        }
+
+        if (options.cdataTagName) {
+          //add cdata node
+          const childNode = new xmlNode(options.cdataTagName, currentNode, tagExp);
+          currentNode.addChild(childNode);
+          //for backtracking
+          currentNode.val = util.getValue(currentNode.val) + options.cdataPositionChar;
+          //add rest value to parent node
+          if (tagExp) {
+            childNode.val = tagExp;
+          }
+        } else {
+          currentNode.val = (currentNode.val || '') + (tagExp || '');
+        }
+
+        i = closeIndex + 2;
+      }else {//Opening tag
+        const result = closingIndexForOpeningTag(xmlData, i+1)
+        let tagExp = result.data;
+        const closeIndex = result.index;
+        const separatorIndex = tagExp.indexOf(" ");
+        let tagName = tagExp;
+        let shouldBuildAttributesMap = true;
+        if(separatorIndex !== -1){
+          tagName = tagExp.substr(0, separatorIndex).replace(/\s\s*$/, '');
+          tagExp = tagExp.substr(separatorIndex + 1);
+        }
+
+        if(options.ignoreNameSpace){
+          const colonIndex = tagName.indexOf(":");
+          if(colonIndex !== -1){
+            tagName = tagName.substr(colonIndex+1);
+            shouldBuildAttributesMap = tagName !== result.data.substr(colonIndex + 1);
+          }
+        }
+
+        //save text to parent node
+        if (currentNode && textData) {
+          if(currentNode.tagname !== '!xml'){
+            currentNode.val = util.getValue(currentNode.val) + '' + processTagValue( currentNode.tagname, textData, options);
+          }
+        }
+
+        if(tagExp.length > 0 && tagExp.lastIndexOf("/") === tagExp.length - 1){//selfClosing tag
+
+          if(tagName[tagName.length - 1] === "/"){ //remove trailing '/'
+            tagName = tagName.substr(0, tagName.length - 1);
+            tagExp = tagName;
+          }else{
+            tagExp = tagExp.substr(0, tagExp.length - 1);
+          }
+
+          const childNode = new xmlNode(tagName, currentNode, '');
+          if(tagName !== tagExp){
+            childNode.attrsMap = buildAttributesMap(tagExp, options);
+          }
+          currentNode.addChild(childNode);
+        }else{//opening tag
+
+          const childNode = new xmlNode( tagName, currentNode );
+          if (options.stopNodes.length && options.stopNodes.includes(childNode.tagname)) {
+            childNode.startIndex=closeIndex;
+          }
+          if(tagName !== tagExp && shouldBuildAttributesMap){
+            childNode.attrsMap = buildAttributesMap(tagExp, options);
+          }
+          currentNode.addChild(childNode);
+          currentNode = childNode;
+        }
+        textData = "";
+        i = closeIndex;
+      }
+    }else{
+      textData += xmlData[i];
+    }
+  }
+  return xmlObj;
+}
+
+function closingIndexForOpeningTag(data, i){
+  let attrBoundary;
+  let tagExp = "";
+  for (let index = i; index < data.length; index++) {
+    let ch = data[index];
+    if (attrBoundary) {
+        if (ch === attrBoundary) attrBoundary = "";//reset
+    } else if (ch === '"' || ch === "'") {
+        attrBoundary = ch;
+    } else if (ch === '>') {
+        return {
+          data: tagExp,
+          index: index
+        }
+    } else if (ch === '\t') {
+      ch = " "
+    }
+    tagExp += ch;
+  }
+}
+
+function findClosingIndex(xmlData, str, i, errMsg){
+  const closingIndex = xmlData.indexOf(str, i);
+  if(closingIndex === -1){
+    throw new Error(errMsg)
+  }else{
+    return closingIndex + str.length - 1;
+  }
+}
+
+exports.getTraversalObj = getTraversalObj;