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56 lines
998 B
56 lines
998 B
#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR) |
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#pragma warning disable |
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using System; |
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using System.IO; |
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Asn1.Utilities; |
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Utilities.IO |
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{ |
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public class PushbackStream |
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: FilterStream |
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{ |
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private int buf = -1; |
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public PushbackStream( |
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Stream s) |
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: base(s) |
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{ |
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} |
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public override int ReadByte() |
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{ |
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if (buf != -1) |
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{ |
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int tmp = buf; |
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buf = -1; |
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return tmp; |
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} |
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return base.ReadByte(); |
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} |
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public override int Read(byte[] buffer, int offset, int count) |
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{ |
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if (buf != -1 && count > 0) |
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{ |
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// TODO Can this case be made more efficient? |
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buffer[offset] = (byte) buf; |
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buf = -1; |
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return 1; |
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} |
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return base.Read(buffer, offset, count); |
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} |
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public virtual void Unread(int b) |
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{ |
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if (buf != -1) |
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throw new InvalidOperationException("Can only push back one byte"); |
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buf = b & 0xFF; |
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} |
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} |
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} |
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#pragma warning restore |
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#endif
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