/// <summary>
/// Write the attribute name to the output stream.
/// </summary>
/// <remarks>
/// Writes the attribute name to the output stream.
/// </remarks>
/// <param name="id">The attribute identifier.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="id"/> is not a valid HTML attribute identifier.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The <see cref="HtmlWriter"/> is not in a state that allows writing attributes.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="HtmlWriter"/> has been disposed.
/// </exception>
public void WriteAttributeName(HtmlAttributeId id)
{
if (id == HtmlAttributeId.Unknown)
{
throw new ArgumentException("Invalid attribute.", "id");
}
if (WriterState == HtmlWriterState.Default)
{
throw new InvalidOperationException("Cannot write attributes in the Default state.");
}
CheckDisposed();
EncodeAttributeName(id.ToString());
}
/// <summary>
/// Converts the enum value into the equivalent attribute name.
/// </summary>
/// <remarks>
/// Converts the enum value into the equivalent attribute name.
/// </remarks>
/// <returns>The attribute name.</returns>
/// <param name="value">The enum value.</param>
public static string ToAttributeName(this HtmlAttributeId value)
{
var name = value.ToString();
#if NETSTANDARD1_0 || NETSTANDARD1_3 || NETSTANDARD1_6
var field = typeof(HtmlAttributeId).GetTypeInfo().GetDeclaredField(name);
var attrs = field.GetCustomAttributes(typeof(HtmlAttributeNameAttribute), false).ToArray();
#else
var field = typeof(HtmlAttributeId).GetField(name);
var attrs = field.GetCustomAttributes(typeof(HtmlAttributeNameAttribute), false);
#endif
if (attrs != null && attrs.Length == 1)
{
return(((HtmlAttributeNameAttribute)attrs[0]).Name);
}
return(name.ToLowerInvariant());
}
/// <summary>
/// Write the attribute name to the output stream.
/// </summary>
/// <remarks>
/// Writes the attribute name to the output stream.
/// </remarks>
/// <param name="id">The attribute identifier.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="id"/> is not a valid HTML attribute identifier.
/// </exception>
/// <exception cref="System.InvalidOperationException">
/// The <see cref="HtmlWriter"/> is not in a state that allows writing attributes.
/// </exception>
/// <exception cref="System.ObjectDisposedException">
/// The <see cref="HtmlWriter"/> has been disposed.
/// </exception>
public void WriteAttributeName (HtmlAttributeId id)
{
if (id == HtmlAttributeId.Unknown)
throw new ArgumentException ("Invalid attribute.", "id");
if (WriterState == HtmlWriterState.Default)
throw new InvalidOperationException ("Cannot write attributes in the Default state.");
CheckDisposed ();
EncodeAttributeName (id.ToString ());
}