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diff --git a/src/mscorlib/src/System/Text/EncodingNLS.cs b/src/mscorlib/src/System/Text/EncodingNLS.cs
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--- a/src/mscorlib/src/System/Text/EncodingNLS.cs
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-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-namespace System.Text
-{
-
- using System;
- using System.Diagnostics.Contracts;
- using System.Collections;
- using System.Runtime.Remoting;
- using System.Globalization;
- using System.Threading;
- using Win32Native = Microsoft.Win32.Win32Native;
-
- // This class overrides Encoding with the things we need for our NLS Encodings
-
- [Serializable]
- internal abstract class EncodingNLS : Encoding
- {
- protected EncodingNLS(int codePage) : base(codePage)
- {
- }
-
- // NOTE: Many methods in this class forward to EncodingForwarder for
- // validating arguments/wrapping the unsafe methods in this class
- // which do the actual work. That class contains
- // shared logic for doing this which is used by
- // ASCIIEncoding, EncodingNLS, UnicodeEncoding, UTF32Encoding,
- // UTF7Encoding, and UTF8Encoding.
- // The reason the code is separated out into a static class, rather
- // than a base class which overrides all of these methods for us
- // (which is what EncodingNLS is for internal Encodings) is because
- // that's really more of an implementation detail so it's internal.
- // At the same time, C# doesn't allow a public class subclassing an
- // internal/private one, so we end up having to re-override these
- // methods in all of the public Encodings + EncodingNLS.
-
- // Returns the number of bytes required to encode a range of characters in
- // a character array.
-
- public override int GetByteCount(char[] chars, int index, int count)
- {
- return EncodingForwarder.GetByteCount(this, chars, index, count);
- }
-
- public override int GetByteCount(String s)
- {
- return EncodingForwarder.GetByteCount(this, s);
- }
-
- public override unsafe int GetByteCount(char* chars, int count)
- {
- return EncodingForwarder.GetByteCount(this, chars, count);
- }
-
- public override int GetBytes(String s, int charIndex, int charCount,
- byte[] bytes, int byteIndex)
- {
- return EncodingForwarder.GetBytes(this, s, charIndex, charCount, bytes, byteIndex);
- }
-
- // Encodes a range of characters in a character array into a range of bytes
- // in a byte array. An exception occurs if the byte array is not large
- // enough to hold the complete encoding of the characters. The
- // GetByteCount method can be used to determine the exact number of
- // bytes that will be produced for a given range of characters.
- // Alternatively, the GetMaxByteCount method can be used to
- // determine the maximum number of bytes that will be produced for a given
- // number of characters, regardless of the actual character values.
-
- public override int GetBytes(char[] chars, int charIndex, int charCount,
- byte[] bytes, int byteIndex)
- {
- return EncodingForwarder.GetBytes(this, chars, charIndex, charCount, bytes, byteIndex);
- }
-
- public override unsafe int GetBytes(char* chars, int charCount, byte* bytes, int byteCount)
- {
- return EncodingForwarder.GetBytes(this, chars, charCount, bytes, byteCount);
- }
-
- // Returns the number of characters produced by decoding a range of bytes
- // in a byte array.
-
- public override int GetCharCount(byte[] bytes, int index, int count)
- {
- return EncodingForwarder.GetCharCount(this, bytes, index, count);
- }
-
- public override unsafe int GetCharCount(byte* bytes, int count)
- {
- return EncodingForwarder.GetCharCount(this, bytes, count);
- }
-
- public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
- char[] chars, int charIndex)
- {
- return EncodingForwarder.GetChars(this, bytes, byteIndex, byteCount, chars, charIndex);
- }
-
- public unsafe override int GetChars(byte* bytes, int byteCount, char* chars, int charCount)
- {
- return EncodingForwarder.GetChars(this, bytes, byteCount, chars, charCount);
- }
-
- // Returns a string containing the decoded representation of a range of
- // bytes in a byte array.
-
- public override String GetString(byte[] bytes, int index, int count)
- {
- return EncodingForwarder.GetString(this, bytes, index, count);
- }
-
- public override Decoder GetDecoder()
- {
- return new DecoderNLS(this);
- }
-
- public override Encoder GetEncoder()
- {
- return new EncoderNLS(this);
- }
- }
-}