/// <summary>
/// Gets the url for the given resource path and configuration.
/// </summary>
/// <remarks>
/// Note that the resource url (e.g. <c>http://icons.com/myicon.svg</c>) does not equal the resource uri (e.g. <c>rsrc:myicon</c>).
/// </remarks>
/// <param name="resourcePath">The path of the resource.</param>
/// <param name="configuration">The (source) configuration for the resource.</param>
private string GetResourceUrl(string resourcePath, IconSourceConfiguration configuration)
{
// Remove preceding slashes
resourcePath = resourcePath.TrimStart('/');
switch (configuration.Source)
{
case IconSource.SymbolFile:
return(configuration.SymbolFile + "#" + resourcePath);
case IconSource.Directory:
// Prepare base path
var basePath = configuration.Directory;
if (!string.IsNullOrEmpty(basePath) &&
!basePath.EndsWith("/"))
{
basePath += "/";
}
return(basePath + (Path.HasExtension(resourcePath) ? resourcePath : resourcePath + ".svg"));
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Gets the (source) configuration for the given resource.
/// </summary>
/// <param name="resourceUri">An uri pointing to a resource.</param>
/// <param name="configuration">The (source) configuration for the resource.</param>
private bool TryGetResourceSource(Uri?resourceUri, [MaybeNullWhen(false)] out IconSourceConfiguration configuration)
{
configuration = null;
return(resourceUri != null &&
resourceUri.IsAbsoluteUri &&
resourceUri.Scheme == "rsrc" &&
!string.IsNullOrEmpty(resourceUri.AbsolutePath.Trim('/')) &&
_options.TryGetSource(resourceUri.Authority, out configuration));
}
