Zig

Convert MIME to XML

Demonstrates the Chilkat Mime.GetXml method, which converts the MIME tree to Chilkat's XML representation and returns it as a string. It takes no arguments. Header names become element names, structured header parameters become attributes, and duplicate headers become repeated elements.

Tip: Code to parse the returned XML can be generated at Chilkat Tools.

Background: Turning a MIME tree into XML exposes its structure in a form that ordinary XML tools can query and transform — useful for inspection, debugging, or feeding a message into an XML-based pipeline. It is the inverse of LoadXml, so a message can be round-tripped through XML. For a quick human-readable outline rather than a full representation, see GetStructure.

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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 Mime.GetXml method, which converts the MIME tree to Chilkat's XML
    // representation and returns it as a string.  It takes no arguments.

    const mime = try chilkat.Mime.init();
    defer mime.deinit();

    mime.loadMimeFile("qa_data/message.eml") catch {
        std.debug.print("{s}\n", .{try mime.getLastErrorText(alloc)});
        return;
    };

    // Header names become XML element names and structured header parameters become XML attributes.
    const xml = mime.getXml(alloc) catch {
        std.debug.print("{s}\n", .{try mime.getLastErrorText(alloc)});
        return;
    };

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