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60 lines
No EOL
2.4 KiB
C#
60 lines
No EOL
2.4 KiB
C#
//
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// Copyright (c) 2008-2011, Kenneth Bell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// 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, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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namespace DiscUtils.Compression
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{
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/// <summary>
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/// Base class for bit streams.
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/// </summary>
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/// <remarks>
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/// The rules for conversion of a byte stream to a bit stream vary
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/// between implementations.
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/// </remarks>
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internal abstract class BitStream
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{
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/// <summary>
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/// Gets the maximum number of bits that can be peeked on the stream.
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/// </summary>
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public abstract int MaxReadAhead { get; }
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/// <summary>
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/// Reads bits from the stream.
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/// </summary>
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/// <param name="count">The number of bits to read.</param>
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/// <returns>The bits as a UInt32.</returns>
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public abstract uint Read(int count);
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/// <summary>
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/// Queries data from the stream.
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/// </summary>
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/// <param name="count">The number of bits to query.</param>
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/// <returns>The bits as a UInt32.</returns>
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/// <remarks>This method does not consume the bits (i.e. move the file pointer).</remarks>
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public abstract uint Peek(int count);
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/// <summary>
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/// Consumes bits from the stream without returning them.
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/// </summary>
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/// <param name="count">The number of bits to consume.</param>
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public abstract void Consume(int count);
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}
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} |