Fixed help files.

PluginFramework/StDirectoryInfo.cs

@@ -0,0 +1,57 @@
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace ScrewTurn.Wiki.PluginFramework {
+
+	/// <summary>
+	/// Contains information about a directory.
+	/// </summary>
+	/// <remarks>This class is only used for provider-host communication.</remarks>
+	public class StDirectoryInfo {
+
+		private string fullPath;
+		private IFilesStorageProviderV30 provider;
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="T:StDirectoryInfo" /> class.
+		/// </summary>
+		/// <param name="fullPath">The full path of the directory, for example <b>/dir/sub/</b> or <b>/</b>.</param>
+		/// <param name="provider">The provider that handles the directory.</param>
+		public StDirectoryInfo(string fullPath, IFilesStorageProviderV30 provider) {
+			this.fullPath = fullPath;
+			this.provider = provider;
+		}
+
+		/// <summary>
+		/// Gets the full path of the directory, for example <b>/dir/sub/</b> or <b>/</b>.
+		/// </summary>
+		public string FullPath {
+			get { return fullPath; }
+		}
+
+		/// <summary>
+		/// Gets the provider that handles the directory.
+		/// </summary>
+		public IFilesStorageProviderV30 Provider {
+			get { return provider; }
+		}
+
+		/// <summary>
+		/// Gets the directory of a file.
+		/// </summary>
+		/// <param name="filePath">The full file path, such as '/file.txt' or '/directory/sub/file.txt'.</param>
+		/// <returns>The directory, such as '/' or '/directory/sub/'.</returns>
+		public static string GetDirectory(string filePath) {
+			if(!filePath.StartsWith("/")) filePath = "/" + filePath;
+
+			int lastIndex = filePath.LastIndexOf("/");
+			if(lastIndex == 0) return "/";
+			else return filePath.Substring(0, lastIndex + 1);
+		}
+
+	}
+
+}