Zig

Get XML Attribute Value by Path

See more XML Examples

Demonstrates how to get an attribute value by path. Zig

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

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

    // The XML used in this example contains the following:
    // This example will get the value of the "spay-neuter" attribute for each pig.

    // <pig-rescue>
    //   <herd name="Cathy">
    //     <species name="pot belly pig">
    //         <animal>
    //             <name>Molly II</name>
    //             <birth>February, 1998</birth>
    //             <in-date>January, 2000</in-date>
    //             <from>Middle Ave.</from>
    //             <gender spay-neuter="yes">F</gender>
    //             <info>Molly came from a place where an old, ill man had too many animals.
    //                       The animals were seldom fed and rats would eat the newborn piglets.
    //                       When Molly was found at one week old, she was the only piglet of
    //                       her siblings who did not get stepped on by a cow. She is a sweet,
    //                       friendly pig who likes to hang out on Cathy's porch on the lounge
    //                       pad.
    //             </info>
    //         </animal>
    //         <animal>
    //             <name>Nigel</name>
    //             <birth>June, 1991</birth>
    //             <in-date>August, 1991</in-date>
    //             <from>Breeder</from>
    //             <gender spay-neuter="no">M</gender>
    //             <info>
    //                  Nigel was the first pig and the reason for the rescue in the
    //                  first place. He is 13 now and doing well, but takes a number
    //                 of medications, as you can see below.
    //             </info>
    //         </animal>
    //     </species>
    //   </herd>
    // </pig-rescue>

    const xml = try chilkat.Xml.init();
    defer xml.deinit();
    try xml.loadXmlFile("qa_data/xml/twoPigs.xml");

    // Use the ChilkatPath method to return the value of a particular attribute at a given path.
    // A path ending with "(attributeName)" will return the value for the given attribute.
    var path: [:0]const u8 = "herd|species|animal[0]|gender|(spay-neuter)";
    var attr_value: [:0]const u8 = try xml.chilkatPath(alloc, path);
    std.debug.print("1st pig spay-neuter: {s}\n", .{attr_value});

    path = "herd|species|animal[1]|gender|(spay-neuter)";
    attr_value = try xml.chilkatPath(alloc, path);
    std.debug.print("2nd pig spay-neuter: {s}\n", .{attr_value});

    // We could also do it like this:
    path = "herd|species|animal[i]|gender|(spay-neuter)";
    var i: i32 = 0;
    while (i < xml.numChildrenAt("herd|species")) {
        xml.setI(i);
        std.debug.print("spay-neuter for pig number {d}: {s}\n", .{ i + 1, try xml.chilkatPath(alloc, path) });
        i = i + 1;
    }
}