System.Xml.EncodingStreamWrapper Class Reference

Public Member Functions
	EncodingStreamWrapper (Stream stream, Encoding encoding)
	EncodingStreamWrapper (Stream stream, Encoding encoding, bool emitBOM)
override void	Flush ()
override int	ReadByte ()
override int	Read (byte[] buffer, int offset, int count)
override long	Seek (long offset, SeekOrigin origin)
override void	WriteByte (byte b)
override void	Write (byte[] buffer, int offset, int count)
override void	SetLength (long value)
void	CopyTo (Stream destination)
virtual void	CopyTo (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination)
Task	CopyToAsync (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination, CancellationToken cancellationToken)
virtual Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
void	Dispose ()
virtual void	Close ()
virtual ValueTask	DisposeAsync ()
Task	FlushAsync ()
virtual Task	FlushAsync (CancellationToken cancellationToken)
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual int	EndRead (IAsyncResult asyncResult)
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
virtual ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
virtual void	EndWrite (IAsyncResult asyncResult)
Task	WriteAsync (byte[] buffer, int offset, int count)
virtual Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
virtual ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
virtual int	Read (Span< byte > buffer)
virtual void	Write (ReadOnlySpan< byte > buffer)
object	GetLifetimeService ()
virtual object	InitializeLifetimeService ()

Static Public Member Functions
static Stream	Synchronized (Stream stream)

Static Public Attributes
static readonly Stream	Null = new NullStream()

Protected Member Functions
override void	Dispose (bool disposing)
SemaphoreSlim	EnsureAsyncActiveSemaphoreInitialized ()
virtual WaitHandle	CreateWaitHandle ()
virtual void	ObjectInvariant ()
MarshalByRefObject	MemberwiseClone (bool cloneIdentity)

Static Protected Member Functions
static void	ValidateBufferArguments (byte[] buffer, int offset, int count)
static void	ValidateCopyToArguments (Stream destination, int bufferSize)

Protected Attributes
SemaphoreSlim	_asyncActiveSemaphore

Package Functions
Task< int >	BeginReadInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)
Task	BeginWriteInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)

Static Package Functions
static ArraySegment< byte >	ProcessBuffer (byte[] buffer, int offset, int count, Encoding encoding)

Properties
override bool	CanRead [get]
override bool	CanSeek [get]
override bool	CanWrite [get]
override long	Position [get, set]
override bool	CanTimeout [get]
override long	Length [get]
override int	ReadTimeout [get, set]
override int	WriteTimeout [get, set]

Private Types
enum	SupportedEncoding { UTF8 , UTF16LE , UTF16BE , None }

Private Member Functions
void	SetReadDocumentEncoding (SupportedEncoding e)
SupportedEncoding	ReadBOMEncoding (bool notOutOfBand)
void	FillBuffer (int count)
void	EnsureBuffers ()
void	EnsureByteBuffer ()
void	CleanupCharBreak ()
bool	HasOverriddenBeginEndRead ()
bool	HasOverriddenBeginEndWrite ()
int	GetCopyBufferSize ()
Task< int >	BeginEndReadAsync (byte[] buffer, int offset, int count)
void	FinishTrackingAsyncOperation (ReadWriteTask task)
Task	BeginEndWriteAsync (byte[] buffer, int offset, int count)

Static Private Member Functions
static Encoding	GetEncoding (SupportedEncoding e)
static Encoding	GetSafeEncoding (SupportedEncoding e)
static string	GetEncodingName (SupportedEncoding enc)
static SupportedEncoding	GetSupportedEncoding (Encoding encoding)
static SupportedEncoding	ReadBOMEncoding (byte b1, byte b2, byte b3, byte b4, bool notOutOfBand, out int preserve)
static void	CheckUTF8DeclarationEncoding (byte[] buffer, int offset, int count, SupportedEncoding e, SupportedEncoding expectedEnc)
static bool	CompareCaseInsensitive (byte[] key, byte[] buffer, int offset)
static bool	Compare (byte[] key, byte[] buffer, int offset)
static bool	IsWhitespace (byte ch)
static void	ThrowExpectedEncodingMismatch (SupportedEncoding expEnc, SupportedEncoding actualEnc)
static void	ThrowEncodingMismatch (string declEnc, SupportedEncoding enc)
static void	ThrowEncodingMismatch (string declEnc, string docEnc)
static void	RunReadWriteTaskWhenReady (Task asyncWaiter, ReadWriteTask readWriteTask)
static void	RunReadWriteTask (ReadWriteTask readWriteTask)
static async Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)

Private Attributes
SupportedEncoding	_encodingCode
Encoding	_encoding
readonly Encoder	_enc
readonly Decoder	_dec
readonly bool	_isReading
readonly Stream	_stream
char[]	_chars
byte[]	_bytes
int	_byteOffset
int	_byteCount
readonly byte[]	_byteBuffer = new byte[1]

Static Private Attributes
static readonly UTF8Encoding	s_safeUTF8 = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: false)
static readonly UnicodeEncoding	s_safeUTF16 = new UnicodeEncoding(bigEndian: false, byteOrderMark: false, throwOnInvalidBytes: false)
static readonly UnicodeEncoding	s_safeBEUTF16 = new UnicodeEncoding(bigEndian: true, byteOrderMark: false, throwOnInvalidBytes: false)
static readonly UTF8Encoding	s_validatingUTF8 = new UTF8Encoding(encoderShouldEmitUTF8Identifier: false, throwOnInvalidBytes: true)
static readonly UnicodeEncoding	s_validatingUTF16 = new UnicodeEncoding(bigEndian: false, byteOrderMark: false, throwOnInvalidBytes: true)
static readonly UnicodeEncoding	s_validatingBEUTF16 = new UnicodeEncoding(bigEndian: true, byteOrderMark: false, throwOnInvalidBytes: true)
const int	BufferLength = 128
static readonly byte[]	s_encodingAttr = new byte[8] { 101, 110, 99, 111, 100, 105, 110, 103 }
static readonly byte[]	s_encodingUTF8 = new byte[5] { 117, 116, 102, 45, 56 }
static readonly byte[]	s_encodingUnicode = new byte[6] { 117, 116, 102, 45, 49, 54 }
static readonly byte[]	s_encodingUnicodeLE = new byte[8] { 117, 116, 102, 45, 49, 54, 108, 101 }
static readonly byte[]	s_encodingUnicodeBE = new byte[8] { 117, 116, 102, 45, 49, 54, 98, 101 }

Detailed Description

Definition at line 7 of file EncodingStreamWrapper.cs.

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The documentation for this class was generated from the following file:

• source/System.Private.DataContractSerialization/System.Xml/EncodingStreamWrapper.cs