Zig

Load an Email from MIME in a StringBuilder

Demonstrates the Chilkat Email.SetFromMimeSb method, which loads an email from the MIME text stored in a StringBuilder object. On success, it replaces the entire current email. This example serializes one email into a StringBuilder with GetMimeSb, then reconstructs it in a second object.

Background: This is the StringBuilder counterpart to SetFromMimeText. When the MIME already lives in a StringBuilder — perhaps assembled or edited there — passing it directly avoids converting to an intermediate string, which is more efficient for large messages.

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Zig

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

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

    // Demonstrates the SetFromMimeSb method, which loads an email from MIME text stored in a
    // StringBuilder object.  On success, it replaces the entire current email.

    // Build a source email and get its MIME into a StringBuilder.
    const source = try chilkat.Email.init();
    defer source.deinit();
    source.setSubject("Source message");
    source.setFrom("alice@example.com");
    source.setBody("Hello from a StringBuilder.");
    const sb_mime = try chilkat.StringBuilder.init();
    defer sb_mime.deinit();
    source.getMimeSb(sb_mime) catch {};

    // Load a new email object from the StringBuilder MIME.
    const email = try chilkat.Email.init();
    defer email.deinit();

    email.setFromMimeSb(sb_mime) catch {
        std.debug.print("{s}\n", .{try email.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("Loaded subject: {s}\n", .{try email.getSubject(alloc)});
}