public static bool TryFormatMediaRssExtension(MediaRssExtension extensionToFormat, XNamespaceAliasSet namespaceAliases, ExtensionManifestDirectory extensionManifestDirectory, out IList <XElement> elements)
{
elements = default;
if (extensionToFormat == null)
{
return(false);
}
elements = new List <XElement>();
// groups
foreach (var groupToFormat in extensionToFormat.Groups ?? Enumerable.Empty <MediaRssGroup>())
{
if (TryFormatMediaRssGroup(groupToFormat, namespaceAliases, extensionManifestDirectory, out var groupElement))
{
elements.Add(groupElement);
}
}
// contents
foreach (var contentToFormat in extensionToFormat.Contents ?? Enumerable.Empty <MediaRssContent>())
{
if (TryFormatMediaRssContent(contentToFormat, namespaceAliases, extensionManifestDirectory, out var contentElement))
{
elements.Add(contentElement);
}
}
// container
if (TryFormatMediaRssContainer(extensionToFormat, namespaceAliases, extensionManifestDirectory, out var containerChildElements))
{
foreach (var containerChildElement in containerChildElements)
{
elements.Add(containerChildElement);
}
}
if (!elements.Any())
{
return(false);
}
namespaceAliases.EnsureNamespaceAlias(MediaRssExtensionConstants.NamespaceAlias, _media);
return(true);
}
public static bool TryParseMediaRssExtension(XElement parentElement, ExtensionManifestDirectory extensionManifestDirectory, out MediaRssExtension extension)
{
extension = null;
if (parentElement == null)
{
return(false);
}
foreach (var ns in MediaRssExtensionConstants.RecognizedNamespaces)
{
if (parentElement.Name.Namespace == ns)
{
continue; // skip because we'd be processing Media RSS extension in Media RSS element
}
// groups
foreach (var groupElement in parentElement.Elements(ns + "group"))
{
if (TryParseMediaRssGroup(groupElement, ns, extensionManifestDirectory, out var parsedGroup))
{
extension = extension ?? new MediaRssExtension();
extension.Groups.Add(parsedGroup);
}
}
// contents
foreach (var contentElement in parentElement.Elements(ns + "content"))
{
if (TryParseMediaRssContent(contentElement, ns, extensionManifestDirectory, out var parsedContent))
{
extension = extension ?? new MediaRssExtension();
extension.Contents.Add(parsedContent);
}
}
// container
ParseMediaRssContainer(parentElement, ns, extensionManifestDirectory, ref extension);
}
return(extension != null);
}
