Zig

Parsing XML Children Having Identical Tags

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

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // 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>
    //

    const xml = try chilkat.Xml.init();
    defer xml.deinit();

    try xml.loadXmlFile("qa_data/xml/georgeCostanza.xml");

    const num_phone_numbers = xml.numChildrenHavingTag("entry|*:phoneNumber");
    var i: i32 = 0;
    while (i < num_phone_numbers) {
        const x_phone_number = try xml.getNthChildWithTag("entry|*:phoneNumber", i);
        defer x_phone_number.deinit();
        std.debug.print("{s}\n", .{try x_phone_number.getContent(alloc)});

        i = i + 1;
    }

    std.debug.print("----\n", .{});

    const num_group_memberships = xml.numChildrenHavingTag("entry|*:groupMembershipInfo");
    i = 0;
    while (i < num_group_memberships) {
        const x_membership = try xml.getNthChildWithTag("entry|*:groupMembershipInfo", i);
        defer x_membership.deinit();
        std.debug.print("{s}\n", .{try x_membership.getAttrValue(alloc, "href")});

        i = i + 1;
    }
}