Zig Requires Chilkat v11.1.0+

Create more Complex JSON Document

See more JSON Examples

Sample code to create the following JSON document:

    {  
        "Title": "The Cuckoo's Calling",  
        "Author": "Robert Galbraith",  
        "Genre": "classic crime novel",  
        "Detail": {  
            "Publisher": "Little Brown",  
            "Publication_Year": 2013,  
            "ISBN-13": 9781408704004,  
            "Language": "English",  
            "Pages": 494  
        },  
        "Price": [  
            {  
                "type": "Hardcover",  
                "price": 16.65  
            },  
            {  
                "type": "Kindle Edition",  
                "price": 7.00  
            }  
        ]  
    }  

Zig

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

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

    const json = try chilkat.JsonObject.init();
    defer json.deinit();

    // The only reason for failure in the following lines of code would be an out-of-memory condition..

    // An index value of -1 is used to append at the end.

    try json.addStringAt(-1, "Title", "The Cuckoo's Calling");
    try json.addStringAt(-1, "Author", "Robert Galbraith");
    try json.addStringAt(-1, "Genre", "classic crime novel");

    // Let's create the Detail JSON object:
    const detail = try chilkat.JsonObject.init();
    defer detail.deinit();
    json.appendObject2("Detail", detail) catch {};

    try detail.addStringAt(-1, "Publisher", "Little Brown");
    try detail.addIntAt(-1, "Publication_Year", 2013);
    try detail.addNumberAt(-1, "ISBN-13", "9781408704004");
    try detail.addStringAt(-1, "Language", "English");
    try detail.addIntAt(-1, "Pages", 494);

    // Add the array for Price
    const a_price = try chilkat.JsonArray.init();
    defer a_price.deinit();
    json.appendArray2("Price", a_price) catch {};

    // Entry in aPrice will be a JSON object.

    // Append a new/empty ojbect to the end of the aPrice array.
    const price_obj = try chilkat.JsonObject.init();
    defer price_obj.deinit();

    a_price.addObjectAt2(-1, price_obj) catch {};
    try price_obj.addStringAt(-1, "type", "Hardcover");
    try price_obj.addNumberAt(-1, "price", "16.65");

    a_price.addObjectAt2(-1, price_obj) catch {};
    try price_obj.addStringAt(-1, "type", "Kindle Edition");
    try price_obj.addNumberAt(-1, "price", "7.00");

    json.setEmitCompact(false);
    std.debug.print("{s}\n", .{try json.emit(alloc)});
}