Send a REST Request using StringBuilder Bodies

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Demonstrates Rest.FullRequestSb, which sends a complete request whose text body is read from a StringBuilder and stores the text response body in a second StringBuilder.

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

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

    const rest = try chilkat.Rest.init();
    defer rest.deinit();
    const b_tls = true;
    const b_auto_reconnect = true;
    rest.connect("example.com", 443, b_tls, b_auto_reconnect) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    // FullRequestSb sends a request whose text body is read from a StringBuilder and stores the text
    // response body in a second StringBuilder.  This avoids extra string conversions for large bodies.
    const sb_request = try chilkat.StringBuilder.init();
    defer sb_request.deinit();
    sb_request.append("{ \"query\": \"chilkat\" }") catch {};

    rest.addHeader("Content-Type", "application/json") catch {};

    const sb_response = try chilkat.StringBuilder.init();
    defer sb_response.deinit();
    rest.fullRequestSb("POST", "/api/search", sb_request, sb_response) catch {
        std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
        return;
    };

    const response_text = sb_response.getAsString(alloc) catch {
        std.debug.print("{s}\n", .{try sb_response.getLastErrorText(alloc)});
        return;
    };

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