Class BufferedTextReader

Abstract class representing a text reader that provides buffering on top of another text reader.
Inheritance
System.Object
System.MarshalByRefObject
System.IO.TextReader
ParsingTextReader
BufferedTextReader
BlockingTextReader
NonBlockingTextReader
Implements
System.IDisposable
Inherited Members
System.IO.TextReader.Null
System.IO.TextReader.Dispose()
System.IO.TextReader.ReadAsync(System.Char[], System.Int32, System.Int32)
System.IO.TextReader.ReadBlockAsync(System.Char[], System.Int32, System.Int32)
System.IO.TextReader.ReadLine()
System.IO.TextReader.ReadLineAsync()
System.IO.TextReader.ReadToEnd()
System.IO.TextReader.ReadToEndAsync()
System.IO.TextReader.Synchronized(System.IO.TextReader)
System.MarshalByRefObject.GetLifetimeService()
System.MarshalByRefObject.InitializeLifetimeService()
System.MarshalByRefObject.MemberwiseClone(System.Boolean)
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: VDS.RDF.Parsing
Assembly: dotNetRDF.dll
Syntax
public abstract class BufferedTextReader : ParsingTextReader, IDisposable

Constructors

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BufferedTextReader(TextReader, Int32)

Creates a buffered reader.
Declaration
protected BufferedTextReader(TextReader reader, int bufferSize)
Parameters
Type Name Description
System.IO.TextReader reader
System.Int32 bufferSize
Exceptions
Type Condition
System.ArgumentException raised if bufferSize is less than 1.
System.ArgumentNullException raised if reader is null.

Fields

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_buffer

Buffer array.
Declaration
protected char[] _buffer
Field Value
Type Description
System.Char[]
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_bufferAmount

Current buffer size (may be less than length of buffer array).
Declaration
protected int _bufferAmount
Field Value
Type Description
System.Int32
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_finished

Whether underlying reader has been exhausted.
Declaration
protected bool _finished
Field Value
Type Description
System.Boolean
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_pos

Current buffer position.
Declaration
protected int _pos
Field Value
Type Description
System.Int32
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_reader

Underlying reader.
Declaration
protected readonly TextReader _reader
Field Value
Type Description
System.IO.TextReader
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DefaultBufferSize

Default Buffer Size.
Declaration
public const int DefaultBufferSize = 1024
Field Value
Type Description
System.Int32

Properties

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EndOfStream

Gets whether the end of the input has been reached.
Declaration
public override bool EndOfStream { get; }
Property Value
Type Description
System.Boolean
Overrides

Methods

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Close()

Closes the reader and the underlying reader.
Declaration
public override void Close()
Overrides
System.IO.TextReader.Close()
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Dispose(Boolean)

Disposes of the reader and the underlying reader.
Declaration
protected override void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing Whether this was called from the Dispose() method.
Overrides
System.IO.TextReader.Dispose(System.Boolean)
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FillBuffer()

Requests that the buffer be filled.
Declaration
protected abstract void FillBuffer()
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Peek()

Peeks at the next character from the underlying Text Reader.
Declaration
public override int Peek()
Returns
Type Description
System.Int32 Character peeked or -1 if at end of input.
Overrides
System.IO.TextReader.Peek()
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Read()

Reads a single character from the underlying Text Reader.
Declaration
public override int Read()
Returns
Type Description
System.Int32 Character read or -1 if at end of input.
Overrides
System.IO.TextReader.Read()
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Read(Char[], Int32, Int32)

Reads a sequence of characters from the buffer.
Declaration
public override int Read(char[] buffer, int index, int count)
Parameters
Type Name Description
System.Char[] buffer Buffer.
System.Int32 index Index at which to start writing to the Buffer.
System.Int32 count Number of characters to read.
Returns
Type Description
System.Int32 Number of characters read.
Overrides
System.IO.TextReader.Read(System.Char[], System.Int32, System.Int32)
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ReadBlock(Char[], Int32, Int32)

Reads a sequence of characters from the buffer in a blocking way.
Declaration
public override int ReadBlock(char[] buffer, int index, int count)
Parameters
Type Name Description
System.Char[] buffer Buffer.
System.Int32 index Index at which to start writing to the Buffer.
System.Int32 count Number of characters to read.
Returns
Type Description
System.Int32 Number of characters read.
Overrides
System.IO.TextReader.ReadBlock(System.Char[], System.Int32, System.Int32)

Implements

System.IDisposable

Extension Methods