Zig

Remove a Single Related Item from an Email

Demonstrates the Chilkat Email.DropRelatedItem method, which removes the related item at a given zero-based index. A related item is typically an embedded image or style sheet referenced from the HTML body (via a cid: link or Content-Location). This example adds a related style sheet, then removes it by index, printing the count before and after.

Background: Related items live in the message's multipart/related enclosure and are indexed from 0 to NumRelatedItems - 1. Removing one by index is useful when editing a received message — for example stripping a tracking pixel or an unwanted embedded image — while leaving the HTML body and any other related resources in place. To remove them all at once, use DropRelatedItems.

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Zig

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

pub fn main() !void {
    // Demonstrates the DropRelatedItem method, which removes the related item at a given
    // zero-based index.  A related item is typically an embedded image or style sheet
    // referenced from the HTML body.

    const email = try chilkat.Email.init();
    defer email.deinit();

    // Set an HTML body that references a related style sheet by name (Content-Location).
    email.setHtmlBody("<html><head><link rel=\"stylesheet\" href=\"styles.css\"/></head><body>Styled.</body></html>");

    // Add the related item (becomes index 0).
    email.addRelatedString2("styles.css", "body { color: navy; }", "utf-8");
    std.debug.print("NumRelatedItems before = {d}\n", .{email.getNumRelatedItems()});

    // Remove the related item at index 0.
    email.dropRelatedItem(0);

    std.debug.print("NumRelatedItems after = {d}\n", .{email.getNumRelatedItems()});
}