Zig

Load an Email from MIME in a BinData

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

Background: This is the binary counterpart to SetFromMimeText and SetFromMimeSb. When a message's raw MIME arrives as bytes — read from a file, a socket, or a database blob into a BinData — loading it directly avoids any lossy or awkward byte-to-text conversion, which matters because MIME can carry binary transfer encodings.

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

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

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

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

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

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

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