init

Common/DTS.Common.Serialization/.svn/pristine/f4/f489b4e8531d8db9bcf4527cc0fb56e5a3baa9bc.svn-base

@@ -0,0 +1,97 @@
+/*
+ * File.Writer.CharacterCountingStreamWriter.cs
+ * 
+ * Copyright © 2009
+ * Diversified Technical Systems, Inc.
+ * All Rights Reserved
+ */
+
+using System;
+using System.IO;
+using System.Text;
+
+namespace DTS.Serialization
+{
+    public abstract partial class File
+    { // *** see File.cs ***
+        public abstract partial class Writer<T>
+        { // *** see File.Writer.cs ***
+
+            /// <summary>
+            /// A StreamWriter-style class for counting characters written to its stream.
+            /// </summary>
+            protected class CharacterCountingStreamWriter : StreamWriter
+            {
+                public CharacterCountingStreamWriter(Stream stream)
+                    : base(stream)
+                {
+                    CharactersCounted = 0;
+                }
+
+                public CharacterCountingStreamWriter(string path)
+                    : base(path)
+                {
+                    CharactersCounted = 0;
+                }
+
+                public CharacterCountingStreamWriter(Stream stream, Encoding encoding)
+                    : base(stream, encoding)
+                {
+                    CharactersCounted = 0;
+                }
+
+                public CharacterCountingStreamWriter(String path, bool append)
+                    : base(path, append)
+                {
+                    CharactersCounted = 0;
+                }
+
+                public CharacterCountingStreamWriter(Stream stream, Encoding encoding, int bufferSize)
+                    : base(stream, encoding, bufferSize)
+                {
+                    CharactersCounted = 0;
+                }
+
+                public CharacterCountingStreamWriter(String path, bool append, Encoding encoding)
+                    : base(path, append, encoding)
+                {
+                    CharactersCounted = 0;
+                }
+
+                public CharacterCountingStreamWriter(String path, bool append, Encoding encoding, int bufferSize)
+                    : base(path, append, encoding, bufferSize)
+                {
+                    CharactersCounted = 0;
+                }
+
+                /// <summary>
+                /// Get the <see cref="uint"/> number of characters that have been counted by this
+                /// object since creation/reset.
+                /// </summary>
+                public uint CharactersCounted
+                {
+                    get;
+                    private set;
+                }
+
+                /// <summary>
+                /// Tally the characters contained in the specified string.
+                /// </summary>
+                /// 
+                /// <param name="value">
+                /// The <see cref="string"/> to be character-counted.
+                /// </param>
+                /// 
+                public override void WriteLine(string value)
+                {
+                    try { CharactersCounted += (uint)value.Length; }
+                    catch (System.Exception ex)
+                    {
+                        throw new ApplicationException("encountered problem counting written character string " + (null != value ? "\"" + value + "\"" : "<NULL>"), ex);
+                    }
+                }
+            }
+
+        } // *** end File.Writer ***
+    } // *** end File ***
+}