110 lines
2.8 KiB
C#
110 lines
2.8 KiB
C#
//
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// System.CStreamReader
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//
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// Authors:
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// Dietmar Maurer (dietmar@ximian.com)
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// Miguel de Icaza (miguel@ximian.com)
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// Dick Porter (dick@ximian.com)
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// (C) Ximian, Inc. http://www.ximian.com
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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#if !NET_2_1
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using System.Text;
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using System.Runtime.InteropServices;
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namespace System.IO {
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class CStreamReader : StreamReader {
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TermInfoDriver driver;
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public CStreamReader(Stream stream, Encoding encoding)
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: base (stream, encoding)
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{
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driver = (TermInfoDriver) ConsoleDriver.driver;
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}
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public override int Peek ()
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{
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try {
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return base.Peek ();
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} catch (IOException) {
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}
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return -1;
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}
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public override int Read ()
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{
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try {
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ConsoleKeyInfo key = Console.ReadKey ();
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return key.KeyChar;
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} catch (IOException) {
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}
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return(-1);
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}
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public override int Read ([In, Out] char [] dest, int index, int count)
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{
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if (dest == null)
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throw new ArgumentNullException ("dest");
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if (index < 0)
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throw new ArgumentOutOfRangeException ("index", "< 0");
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if (count < 0)
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throw new ArgumentOutOfRangeException ("count", "< 0");
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// ordered to avoid possible integer overflow
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if (index > dest.Length - count)
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throw new ArgumentException ("index + count > dest.Length");
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try {
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return driver.Read (dest, index, count);
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} catch (IOException) {
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}
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return 0;
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}
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public override string ReadLine ()
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{
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try {
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return driver.ReadLine ();
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} catch (IOException) {
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}
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return null;
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}
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public override string ReadToEnd ()
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{
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try {
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return (base.ReadToEnd ());
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} catch (IOException) {
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}
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return null;
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}
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}
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}
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#endif
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