/// <summary>
/// Gets the metadata for the given tag.
/// </summary>
public static SupportedTagMeta Get(MLNamespace ns, string tag)
{
SupportedTagMeta globalHandler;
if (!ns.Tags.TryGetValue(tag, out globalHandler))
{
// Tag wasn't found in the given namespace.
// Check if the namespace can help out by providing some other namespace:
MLNamespace newNamespace = ns.GetNamespace(tag);
if (newNamespace == null)
{
// Use default:
globalHandler = ns.Default;
}
else
{
ns = newNamespace;
// Try to get the handler:
if (!ns.Tags.TryGetValue(tag, out globalHandler))
{
// Use default:
globalHandler = ns.Default;
}
}
}
return(globalHandler);
}
/// <summary>Attempts to find the tag with the given name.
/// If it's not found, a default tag which is known to exist can be returned instead.
/// The handler for the found tag is then instanced and the instance is returned.
/// For example, tag "h1" with a default of "span".</summary>
/// <param name="ns">The namespace the tag is in.</param>
/// <param name="tag">The tag to look for.</param>
/// <param name="defaultTag">If the given tag is not found, this is used instead.</param>
/// <returns>An instance of the tag handler for the tag. Throws an error if tag or defaultTag are not found.</returns>
public static Element Create(MLNamespace ns, string tag)
{
SupportedTagMeta globalHandler;
if (!ns.Tags.TryGetValue(tag, out globalHandler))
{
// Tag wasn't found in the given namespace.
// Check if the namespace can help out by providing some other namespace:
MLNamespace newNamespace = ns.GetNamespace(tag);
if (newNamespace == null)
{
// Use default:
globalHandler = ns.Default;
}
else
{
ns = newNamespace;
// Try to get the handler:
if (!ns.Tags.TryGetValue(tag, out globalHandler))
{
// Use default:
globalHandler = ns.Default;
}
}
}
// Instance it now:
Element result = Activator.CreateInstance(globalHandler.TagType) as Element;
result.Namespace = ns;
result.Tag = tag;
// Ok!
return(result);
}