/// <summary>
/// 获取所有特征
/// </summary>
/// <param name="featMgr"><see cref="IFeatureManager"/></param>
/// <param name="TopOnly">是否只获取顶级特征</param>
/// <returns>特征</returns>
public static IEnumerable <IFeature> GetFeaturesEx(this IFeatureManager featMgr, bool TopOnly = false)
{
var objarray = featMgr.GetFeatures(TopOnly) as object[];
var feats = objarray.Cast <IFeature>();
if (feats != null)
{
return(feats);
}
else
{
throw new FeatMgrFeatsNotFoundException("无特征集返回");
}
}
/// <summary>
/// Locate an extension at the given path by directly mapping path segments to physical directories.
/// </summary>
/// <param name="subpath">A path under the root directory</param>
/// <returns>The extension information. null returned if extension does not exist</returns>
public IExtensionInfo GetExtensionInfo(string subPath)
{
var manifest = _manifestBuilder.GetManifest(subPath);
if (!manifest.Exists)
{
return(null);
}
var path = System.IO.Path.GetDirectoryName(subPath);
var name = System.IO.Path.GetFileName(subPath);
var extension = _fileProvider
.GetDirectoryContents(path)
.First(content => content.Name == name);
return(new ExtensionInfo(extension, subPath, manifest, (ei) => {
return _featureManager.GetFeatures(ei, manifest);
}));
}
