Initial commit - WPinternals 2.6

DiscUtils/DiscFileInfo.cs

@@ -0,0 +1,205 @@
+//
+// Copyright (c) 2008-2011, Kenneth Bell
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+namespace DiscUtils
+{
+    using System.IO;
+
+    /// <summary>
+    /// Provides information about a file on a disc.
+    /// </summary>
+    public sealed class DiscFileInfo : DiscFileSystemInfo
+    {
+        internal DiscFileInfo(DiscFileSystem fileSystem, string path)
+            : base(fileSystem, path)
+        {
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether the file exists.
+        /// </summary>
+        public override bool Exists
+        {
+            get { return FileSystem.FileExists(Path); }
+        }
+
+        /// <summary>
+        /// Gets an instance of the parent directory.
+        /// </summary>
+        public DiscDirectoryInfo Directory
+        {
+            get { return Parent; }
+        }
+
+        /// <summary>
+        /// Gets a string representing the directory's full path.
+        /// </summary>
+        public string DirectoryName
+        {
+            get { return Directory.FullName; }
+        }
+
+        /// <summary>
+        /// Gets or sets a value indicating whether the file is read-only.
+        /// </summary>
+        public bool IsReadOnly
+        {
+            get
+            {
+                return (Attributes & FileAttributes.ReadOnly) != 0;
+            }
+
+            set
+            {
+                if (value)
+                {
+                    Attributes = Attributes | FileAttributes.ReadOnly;
+                }
+                else
+                {
+                    Attributes = Attributes & ~FileAttributes.ReadOnly;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Gets the length of the current file in bytes.
+        /// </summary>
+        public long Length
+        {
+            get { return FileSystem.GetFileLength(Path); }
+        }
+
+        /// <summary>
+        /// Deletes a file.
+        /// </summary>
+        public override void Delete()
+        {
+            FileSystem.DeleteFile(Path);
+        }
+
+        /// <summary>
+        /// Creates a <see cref="StreamWriter" /> that appends text to the file represented by this <see cref="DiscFileInfo"/>.
+        /// </summary>
+        /// <returns>The newly created writer.</returns>
+        public StreamWriter AppendText()
+        {
+            return new StreamWriter(Open(FileMode.Append));
+        }
+
+        /// <summary>
+        /// Copies an existing file to a new file.
+        /// </summary>
+        /// <param name="destinationFileName">The destination file.</param>
+        public void CopyTo(string destinationFileName)
+        {
+            CopyTo(destinationFileName, false);
+        }
+
+        /// <summary>
+        /// Copies an existing file to a new file, allowing overwriting of an existing file.
+        /// </summary>
+        /// <param name="destinationFileName">The destination file.</param>
+        /// <param name="overwrite">Whether to permit over-writing of an existing file.</param>
+        public void CopyTo(string destinationFileName, bool overwrite)
+        {
+            FileSystem.CopyFile(Path, destinationFileName, overwrite);
+        }
+
+        /// <summary>
+        /// Creates a new file for reading and writing.
+        /// </summary>
+        /// <returns>The newly created stream.</returns>
+        public Stream Create()
+        {
+            return Open(FileMode.Create);
+        }
+
+        /// <summary>
+        /// Creates a new <see cref="StreamWriter"/> that writes a new text file.
+        /// </summary>
+        /// <returns>A new stream writer that can write to the file contents.</returns>
+        public StreamWriter CreateText()
+        {
+            return new StreamWriter(Open(FileMode.Create));
+        }
+
+        /// <summary>
+        /// Moves a file to a new location.
+        /// </summary>
+        /// <param name="destinationFileName">The new name of the file.</param>
+        public void MoveTo(string destinationFileName)
+        {
+            FileSystem.MoveFile(Path, destinationFileName);
+        }
+
+        /// <summary>
+        /// Opens the current file.
+        /// </summary>
+        /// <param name="mode">The file mode for the created stream.</param>
+        /// <returns>The newly created stream.</returns>
+        /// <remarks>Read-only file systems only support <c>FileMode.Open</c>.</remarks>
+        public Stream Open(FileMode mode)
+        {
+            return FileSystem.OpenFile(Path, mode);
+        }
+
+        /// <summary>
+        /// Opens the current file.
+        /// </summary>
+        /// <param name="mode">The file mode for the created stream.</param>
+        /// <param name="access">The access permissions for the created stream.</param>
+        /// <returns>The newly created stream.</returns>
+        /// <remarks>Read-only file systems only support <c>FileMode.Open</c> and <c>FileAccess.Read</c>.</remarks>
+        public Stream Open(FileMode mode, FileAccess access)
+        {
+            return FileSystem.OpenFile(Path, mode, access);
+        }
+
+        /// <summary>
+        /// Opens an existing file for read-only access.
+        /// </summary>
+        /// <returns>The newly created stream.</returns>
+        public Stream OpenRead()
+        {
+            return Open(FileMode.Open, FileAccess.Read);
+        }
+
+        /// <summary>
+        /// Opens an existing file for reading as UTF-8 text.
+        /// </summary>
+        /// <returns>The newly created reader.</returns>
+        public StreamReader OpenText()
+        {
+            return new StreamReader(OpenRead());
+        }
+
+        /// <summary>
+        /// Opens a file for writing.
+        /// </summary>
+        /// <returns>The newly created stream.</returns>
+        public Stream OpenWrite()
+        {
+            return Open(FileMode.Open, FileAccess.Write);
+        }
+    }
+}