/// <summary>
/// Initializes a new instance of the <see cref="MimeKit.MimeEntity"/> class
/// based on the <see cref="MimeEntityConstructorInfo"/>.
/// </summary>
/// <remarks>
/// Custom <see cref="MimeEntity"/> subclasses MUST implement this constructor
/// in order to register it using <see cref="ParserOptions.RegisterMimeType"/>.
/// </remarks>
/// <param name="entity">Information used by the constructor.</param>
protected MimeEntity(MimeEntityConstructorInfo entity)
{
if (entity == null)
{
throw new ArgumentNullException("entity");
}
Headers = new HeaderList(entity.ParserOptions);
ContentType = entity.ContentType;
ContentType.Changed += ContentTypeChanged;
Headers.Changed += HeadersChanged;
IsInitializing = true;
foreach (var header in entity.Headers)
{
if (entity.IsTopLevel && !header.Field.StartsWith("Content-", StringComparison.OrdinalIgnoreCase))
{
continue;
}
Headers.Add(header);
}
IsInitializing = false;
}
internal MimeMessage(ParserOptions options, IEnumerable <Header> headers)
{
addresses = new Dictionary <string, InternetAddressList> (icase);
Headers = new HeaderList(options);
// initialize our address lists
foreach (var name in StandardAddressHeaders)
{
var list = new InternetAddressList();
list.Changed += InternetAddressListChanged;
addresses.Add(name, list);
}
references = new MessageIdList();
references.Changed += ReferencesChanged;
inreplyto = null;
Headers.Changed += HeadersChanged;
// add all of our message headers...
foreach (var header in headers)
{
if (header.Field.StartsWith("Content-", StringComparison.OrdinalIgnoreCase))
{
continue;
}
Headers.Add(header);
}
}
/// <summary>
/// Asynchronously parses a list of headers from the stream.
/// </summary>
/// <remarks>
/// Parses a list of headers from the stream.
/// </remarks>
/// <returns>The parsed list of headers.</returns>
/// <param name="cancellationToken">The cancellation token.</param>
/// <exception cref="System.OperationCanceledException">
/// The operation was canceled via the cancellation token.
/// </exception>
/// <exception cref="System.FormatException">
/// There was an error parsing the headers.
/// </exception>
/// <exception cref="System.IO.IOException">
/// An I/O error occurred.
/// </exception>
public async Task <HeaderList> ParseHeadersAsync(CancellationToken cancellationToken = default(CancellationToken))
{
state = MimeParserState.Headers;
if (await StepAsync(cancellationToken).ConfigureAwait(false) == MimeParserState.Error)
{
throw new FormatException("Failed to parse headers.");
}
state = eos ? MimeParserState.Eos : MimeParserState.Complete;
var parsed = new HeaderList(options);
foreach (var header in headers)
{
parsed.Add(header);
}
return(parsed);
}
/// <summary>
/// Initializes a new instance of the <see cref="MimeKit.MimeEntity"/> class
/// based on the <see cref="MimeEntityConstructorArgs"/>.
/// </summary>
/// <remarks>
/// Custom <see cref="MimeEntity"/> subclasses MUST implement this constructor
/// in order to register it using <see cref="ParserOptions.RegisterMimeType"/>.
/// </remarks>
/// <param name="args">Information used by the constructor.</param>
/// <exception cref="System.ArgumentNullException">
/// <paramref name="args"/> is <c>null</c>.
/// </exception>
protected MimeEntity(MimeEntityConstructorArgs args)
{
if (args == null)
{
throw new ArgumentNullException("args");
}
Headers = new HeaderList(args.ParserOptions);
ContentType = args.ContentType;
ContentType.Changed += ContentTypeChanged;
Headers.Changed += HeadersChanged;
foreach (var header in args.Headers)
{
if (args.IsTopLevel && !header.Field.StartsWith("Content-", StringComparison.OrdinalIgnoreCase))
{
continue;
}
Headers.Add(header);
}
}