private static bool TryParseRss20Image(XElement imageElement, ExtensionManifestDirectory extensionManifestDirectory, out Rss20Image parsedImage)
{
parsedImage = default;
if (imageElement == null)
{
return(false);
}
parsedImage = new Rss20Image();
parsedImage.Url = imageElement.Element("url")?.Value.Trim();
parsedImage.Title = imageElement.Element("title")?.Value.Trim();
parsedImage.Link = imageElement.Element("link")?.Value.Trim();
parsedImage.Description = imageElement.Element("description")?.Value.Trim();
if (int.TryParse(imageElement.Element("width")?.Value.Trim(), NumberStyles.Any, CultureInfo.InvariantCulture, out var parsedWidth))
{
parsedImage.Width = parsedWidth;
}
if (int.TryParse(imageElement.Element("height")?.Value.Trim(), NumberStyles.Any, CultureInfo.InvariantCulture, out var parsedHeight))
{
parsedImage.Height = parsedHeight;
}
// extensions
ExtensibleEntityParser.ParseXElementExtensions(imageElement, extensionManifestDirectory, parsedImage);
return(true);
}
private static bool TryFormatRss20Image(Rss20Image imageToFormat, XNamespaceAliasSet namespaceAliases, ExtensionManifestDirectory extensionManifestDirectory, out XElement imageElement)
{
imageElement = default;
if (imageToFormat == null)
{
return(false);
}
imageElement = new XElement("image");
imageElement.Add(new XElement("url")
{
Value = imageToFormat.Url ?? ""
});
imageElement.Add(new XElement("title")
{
Value = imageToFormat.Title ?? ""
});
imageElement.Add(new XElement("link")
{
Value = imageToFormat.Link ?? ""
});
if (imageToFormat.Height != null)
{
var heightString = imageToFormat.Height.Value.ToString(CultureInfo.InvariantCulture);
imageElement.Add(new XElement("height")
{
Value = heightString
});
}
if (imageToFormat.Width != null)
{
var widthString = imageToFormat.Width.Value.ToString(CultureInfo.InvariantCulture);
imageElement.Add(new XElement("width")
{
Value = widthString
});
}
if (TryFormatOptionalTextElement(imageToFormat.Description, "description", out var descriptionElement))
{
imageElement.Add(descriptionElement);
}
// extensions
if (ExtensibleEntityFormatter.TryFormatXElementExtensions(imageToFormat, namespaceAliases, extensionManifestDirectory, out var extensionElements))
{
imageElement.AddRange(extensionElements);
}
return(true);
}
