Dart

Parsing XML Children Having Identical Tags

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Demonstrates how to deal with XML where child elements may have identical tags. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example will get the phoneNumber's and groupMembershihpInfo's from the following XML:

  // <?xml version="1.0" encoding="UTF-8" ?>
  // <someEntries>
  //     <entry>
  //         <id>123</id>
  //         <updated>2017-07-19T05:19:57.761Z</updated>
  //         <app:edited xmlns:app="http://www.w3.org/2007/app">2017-07-19T05:19:57.761Z</app:edited>
  //         <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact"/>
  //         <title>George Costanza</title>
  //          <gd:name>
  //             <gd:fullName>George Costanza</gd:fullName>
  //             <gd:givenName>George</gd:givenName>
  //             <gd:familyName>Costanza</gd:familyName>
  //         </gd:name>
  //         <gd:phoneNumber rel="http://schemas.google.com/g/2005#home">(555) 123-4567</gd:phoneNumber>
  //         <gd:phoneNumber rel="http://schemas.google.com/g/2005#mobile">(555) 444-8877</gd:phoneNumber>
  //         <gd:phoneNumber rel="http://schemas.google.com/g/2005#work">(555) 678-1111</gd:phoneNumber>
  //         <gContact:groupMembershipInfo deleted="false" href="http://www.google.com/123"/>
  //         <gContact:groupMembershipInfo deleted="false" href="http://www.google.com/456"/>
  //     </entry>
  // </someEntries>
  // 

  final xml = CkXml();

  xml.loadXmlFile('qa_data/xml/georgeCostanza.xml');

  final numPhoneNumbers = xml.numChildrenHavingTag('entry|*:phoneNumber');
  var i = 0;
  while (i < numPhoneNumbers) {
    final xPhoneNumber = xml.getNthChildWithTag('entry|*:phoneNumber', i);
    print(xPhoneNumber.content);

    i++;
  }

  print('----');

  final numGroupMemberships = xml.numChildrenHavingTag('entry|*:groupMembershipInfo');
  i = 0;
  while (i < numGroupMemberships) {
    final xMembership = xml.getNthChildWithTag('entry|*:groupMembershipInfo', i);
    print(xMembership.getAttrValue('href'));

    i++;
  }
}