niko
112 lines
4.7 KiB
C#
112 lines
4.7 KiB
C#
using System;
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namespace System.Text
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{
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/// <summary>Represents a substitute output string that is emitted when the original input byte sequence cannot be decoded. This class cannot be inherited.</summary>
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/// <filterpriority>2</filterpriority>
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// Token: 0x020005E8 RID: 1512
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public sealed class DecoderReplacementFallbackBuffer : DecoderFallbackBuffer
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{
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/// <summary>Initializes a new instance of the <see cref="T:System.Text.DecoderReplacementFallbackBuffer" /> class using the value of a <see cref="T:System.Text.DecoderReplacementFallback" /> object.</summary>
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/// <param name="fallback">A <see cref="T:System.Text.DecoderReplacementFallback" /> object that contains a replacement string. </param>
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// Token: 0x06003704 RID: 14084 RVA: 0x000BC8E8 File Offset: 0x000BAAE8
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public DecoderReplacementFallbackBuffer(DecoderReplacementFallback fallback)
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{
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if (fallback == null)
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{
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throw new ArgumentNullException("fallback");
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}
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this.replacement = fallback.DefaultString;
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this.current = 0;
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}
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/// <summary>Gets the number of characters in the replacement fallback buffer that remain to be processed.</summary>
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/// <returns>The number of characters in the replacement fallback buffer that have not yet been processed.</returns>
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/// <filterpriority>1</filterpriority>
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// Token: 0x17000AC2 RID: 2754
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// (get) Token: 0x06003705 RID: 14085 RVA: 0x000BC920 File Offset: 0x000BAB20
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public override int Remaining
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{
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get
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{
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return (!this.fallback_assigned) ? 0 : (this.replacement.Length - this.current);
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}
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}
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/// <summary>Prepares the replacement fallback buffer to use the current replacement string.</summary>
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/// <returns>true if the replacement string is not empty; false if the replacement string is empty.</returns>
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/// <param name="bytesUnknown">An input byte sequence. This parameter is ignored unless an exception is thrown.</param>
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/// <param name="index">The index position of the byte in <paramref name="bytesUnknown" />. This parameter is ignored in this operation.</param>
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/// <exception cref="T:System.ArgumentException">This method is called again before the <see cref="M:System.Text.DecoderReplacementFallbackBuffer.GetNextChar" /> method has read all the characters in the replacement fallback buffer. </exception>
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/// <filterpriority>1</filterpriority>
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// Token: 0x06003706 RID: 14086 RVA: 0x000BC948 File Offset: 0x000BAB48
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public override bool Fallback(byte[] bytesUnknown, int index)
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{
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if (bytesUnknown == null)
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{
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throw new ArgumentNullException("bytesUnknown");
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}
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if (this.fallback_assigned && this.Remaining != 0)
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{
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throw new ArgumentException("Reentrant Fallback method invocation occured. It might be because either this FallbackBuffer is incorrectly shared by multiple threads, invoked inside Encoding recursively, or Reset invocation is forgotten.");
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}
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if (index < 0 || bytesUnknown.Length < index)
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{
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throw new ArgumentOutOfRangeException("index");
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}
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this.fallback_assigned = true;
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this.current = 0;
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return this.replacement.Length > 0;
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}
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/// <summary>Retrieves the next character in the replacement fallback buffer.</summary>
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/// <returns>The next character in the replacement fallback buffer.</returns>
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/// <filterpriority>2</filterpriority>
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// Token: 0x06003707 RID: 14087 RVA: 0x000BC9C0 File Offset: 0x000BABC0
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public override char GetNextChar()
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{
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if (!this.fallback_assigned)
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{
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return '\0';
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}
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if (this.current >= this.replacement.Length)
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{
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return '\0';
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}
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return this.replacement[this.current++];
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}
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/// <summary>Causes the next call to <see cref="M:System.Text.DecoderReplacementFallbackBuffer.GetNextChar" /> to access the character position in the replacement fallback buffer prior to the current character position.</summary>
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/// <returns>true if the <see cref="M:System.Text.DecoderReplacementFallbackBuffer.MovePrevious" /> operation was successful; otherwise, false.</returns>
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/// <filterpriority>1</filterpriority>
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// Token: 0x06003708 RID: 14088 RVA: 0x000BCA10 File Offset: 0x000BAC10
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public override bool MovePrevious()
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{
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if (this.current == 0)
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{
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return false;
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}
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this.current--;
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return true;
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}
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/// <summary>Initializes all internal state information and data in the <see cref="T:System.Text.DecoderReplacementFallbackBuffer" /> object.</summary>
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/// <filterpriority>1</filterpriority>
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// Token: 0x06003709 RID: 14089 RVA: 0x000BCA30 File Offset: 0x000BAC30
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public override void Reset()
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{
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this.fallback_assigned = false;
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this.current = 0;
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}
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// Token: 0x04001673 RID: 5747
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private bool fallback_assigned;
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// Token: 0x04001674 RID: 5748
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private int current;
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// Token: 0x04001675 RID: 5749
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private string replacement;
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}
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}
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