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Showing content from https://dotnet.github.io/dotNext/api/DotNext.IO.StreamExtensions.html below:

Class StreamExtensions | .NEXT

Represents high-level read/write methods for the stream.

StreamExtensions

public static class StreamExtensions

Creates a stream for the specified file handle.

public static Stream AsUnbufferedStream(this SafeFileHandle handle, FileAccess access)

The unbuffered file stream.

Combines multiple readable streams.

public static Stream Combine(this IEnumerable<Stream> streams, bool leaveOpen = true)

A collection of streams.

true to keep the wrapped streams alive when combined stream disposed; otherwise, false.

An object that represents multiple streams as one logical stream.

Combines multiple readable streams.

public static Stream Combine(this Stream stream, ReadOnlySpan<Stream> others)

An object that represents multiple streams as one logical stream.

Combines multiple readable streams.

public static Stream Combine(this ReadOnlySpan<Stream> streams, bool leaveOpen = true)

A collection of streams.

true to keep the wrapped streams alive when combined stream disposed; otherwise, false.

An object that represents multiple streams as one logical stream.

Asynchronously reads the bytes from the current stream and writes them to buffer writer, using a specified cancellation token.

public static ValueTask CopyToAsync(this Stream source, IBufferWriter<byte> destination, int bufferSize = 0, CancellationToken token = default)

The source stream.

The writer to which the contents of the current stream will be copied.

The size, in bytes, of the buffer.

The token to monitor for cancellation requests.

The task representing asynchronous execution of this method.

Asynchronously reads the bytes from the current stream and writes them to buffer writer, using a specified cancellation token.

public static ValueTask CopyToAsync(this Stream source, IBufferWriter<byte> destination, long count, int bufferSize = 0, CancellationToken token = default)

The source stream.

The writer to which the contents of the current stream will be copied.

The number of bytes to copy.

The size, in bytes, of the buffer.

The token to monitor for cancellation requests.

The task representing asynchronous execution of this method.

Asynchronously reads the bytes from the source stream and writes them to another stream, using a specified buffer.

public static ValueTask CopyToAsync(this Stream source, Stream destination, long count, Memory<byte> buffer, CancellationToken token = default)

The source stream to read from.

The destination stream to write into.

The number of bytes to copy.

The buffer used to hold copied content temporarily.

The token that can be used to cancel this operation.

The task representing asynchronous execution of this method.

Asynchronously reads the bytes from the source stream and writes them to another stream, using a specified buffer.

public static ValueTask CopyToAsync(this Stream source, Stream destination, Memory<byte> buffer, CancellationToken token = default)

The source stream to read from.

The destination stream to write into.

The buffer used to hold copied content temporarily.

The token that can be used to cancel this operation.

The task representing asynchronous execution of this method.

Asynchronously reads the bytes from the source stream and passes them to the consumer, using a specified buffer.

public static ValueTask CopyToAsync<TConsumer>(this Stream source, TConsumer consumer, long count, Memory<byte> buffer, CancellationToken token = default) where TConsumer : ISupplier<ReadOnlyMemory<byte>, CancellationToken, ValueTask>

The source stream to read from.

The destination stream to write into.

The number of bytes to copy.

The buffer used to hold copied content temporarily.

The token that can be used to cancel this operation.

The task representing asynchronous execution of this method.

The type of the consumer.

Asynchronously reads the bytes from the source stream and passes them to the consumer, using a specified buffer.

public static ValueTask CopyToAsync<TConsumer>(this Stream source, TConsumer consumer, Memory<byte> buffer, CancellationToken token = default) where TConsumer : ISupplier<ReadOnlyMemory<byte>, CancellationToken, ValueTask>

The source stream to read from.

The destination stream to write into.

The buffer used to hold copied content temporarily.

The token that can be used to cancel this operation.

The task representing asynchronous execution of this method.

The type of the consumer.

Reads a length-prefixed string asynchronously using the specified encoding and supplied reusable buffer.

public static ValueTask<MemoryOwner<char>> DecodeAsync(this Stream stream, DecodingContext context, LengthFormat lengthFormat, Memory<byte> buffer, MemoryAllocator<char>? allocator = null, CancellationToken token = default)

The stream to read from.

The text decoding context.

The format of the string length encoded in the stream.

The buffer that is allocated by the caller.

The allocator of the buffer of characters.

The token that can be used to cancel asynchronous operation.

Decodes the sequence of characters.

public static IAsyncEnumerable<ReadOnlyMemory<char>> DecodeAsync(this Stream stream, DecodingContext context, LengthFormat lengthFormat, Memory<char> charBuffer, Memory<byte> byteBuffer, CancellationToken token = default)

The stream to read from.

The decoding context containing string characters encoding.

The format of the string length encoded in the stream.

The buffer of characters.

The buffer of bytes.

The token that can be used to cancel the operation.

Writes a length-prefixed or raw string to the stream asynchronously using supplied reusable buffer.

public static ValueTask<long> EncodeAsync(this Stream stream, ReadOnlyMemory<char> chars, EncodingContext context, LengthFormat? lengthFormat, Memory<byte> buffer, CancellationToken token = default)

The stream to write into.

The string to be encoded.

The encoding context.

String length encoding format; or null to prevent encoding of string length.

The buffer allocated by the caller needed for characters encoding.

The token that can be used to cancel the operation.

The task representing asynchronous state of the operation.

Encodes formattable value as a set of characters using the specified encoding.

public static ValueTask<long> FormatAsync<T>(this Stream stream, T value, EncodingContext context, LengthFormat? lengthFormat, Memory<byte> buffer, string? format = null, IFormatProvider? provider = null, MemoryAllocator<char>? allocator = null, CancellationToken token = default) where T : ISpanFormattable

The stream to write into.

The type value to be written as string.

The context describing encoding of characters.

String length encoding format; or null to prevent encoding of string length.

The buffer to be used for characters encoding.

The format of the value.

The format provider.

A memory allocator for internal buffer of chars.

The token that can be used to cancel the operation.

The type of formattable value.

Encodes formattable value as a set of UTf-8 encoded characters.

public static ValueTask<int> FormatAsync<T>(this Stream stream, T value, LengthFormat? lengthFormat, Memory<byte> buffer, string? format = null, IFormatProvider? provider = null, CancellationToken token = default) where T : IUtf8SpanFormattable

The stream to write into.

The type value to be written as string.

String length encoding format.

The buffer to be used for characters encoding.

The format of the value.

The format provider.

The token that can be used to cancel the operation.

The number of written bytes.

The type of formattable value.

Parses the numeric value from UTF-8 encoded characters.

public static ValueTask<T> ParseAsync<T>(this Stream stream, LengthFormat lengthFormat, Memory<byte> buffer, NumberStyles style, IFormatProvider? provider = null, CancellationToken token = default) where T : INumberBase<T>

The stream to read from.

The format of the string length (in bytes) encoded in the stream.

The buffer that is allocated by the caller.

A combination of number styles.

Culture-specific formatting information.

The token that can be used to cancel the operation.

The result of parsing.

The numeric type.

Parses the sequence of characters encoded as UTF-8.

public static ValueTask<T> ParseAsync<T>(this Stream stream, LengthFormat lengthFormat, Memory<byte> buffer, IFormatProvider? provider = null, CancellationToken token = default) where T : IUtf8SpanParsable<T>

The stream to read from.

The format of the string length (in bytes) encoded in the stream.

The buffer that is allocated by the caller.

Culture-specific formatting information.

The token that can be used to cancel the operation.

The result of parsing.

The type that supports parsing from UTF-8.

Parses the sequence of characters.

public static ValueTask<TResult> ParseAsync<TArg, TResult>(this Stream stream, TArg arg, ReadOnlySpanFunc<char, TArg, TResult> parser, DecodingContext context, LengthFormat lengthFormat, Memory<byte> buffer, MemoryAllocator<char>? allocator = null, CancellationToken token = default)

The stream to read from.

The argument to be passed to parser.

The parser of characters.

The decoding context containing string characters encoding.

The format of the string length (in bytes) encoded in the stream.

The buffer that is allocated by the caller.

The allocator of internal buffer.

The token that can be used to cancel the operation.

The parsed value.

The type of the argument to be passed to parser.

The type of the result.

Reads the stream sequentially.

public static IAsyncEnumerable<ReadOnlyMemory<byte>> ReadAllAsync(this Stream source, int bufferSize, MemoryAllocator<byte>? allocator = null, CancellationToken token = default)

Parses the value encoded as a sequence of bytes.

public static ValueTask<T> ReadAsync<T>(this Stream stream, Memory<byte> buffer, CancellationToken token = default) where T : IBinaryFormattable<T>

The stream to read from.

The buffer allocated by the caller.

The token that can be used to cancel the operation.

The parsed value.

The type of the result.

Reads integer encoded in big-endian format.

public static ValueTask<T> ReadBigEndianAsync<T>(this Stream stream, Memory<byte> buffer, CancellationToken token = default) where T : IBinaryInteger<T>

The stream to read from.

The buffer allocated by the caller.

The token that can be used to cancel the operation.

The integer value.

The integer type.

Decodes the block of bytes asynchronously.

public static ValueTask<MemoryOwner<byte>> ReadBlockAsync(this Stream stream, LengthFormat lengthFormat, MemoryAllocator<byte>? allocator = null, CancellationToken token = default)

The stream to read from.

The format of the block length encoded in the underlying stream.

The memory allocator used to place the decoded block of bytes.

The token that can be used to cancel asynchronous operation.

Reads exactly the specified amount of bytes as a sequence of chunks.

public static IAsyncEnumerable<ReadOnlyMemory<byte>> ReadExactlyAsync(this Stream stream, long length, int bufferSize, MemoryAllocator<byte>? allocator = null, CancellationToken token = default)

The stream to read from.

The numbers of bytes to read.

The maximum size of chunks to be returned.

The buffer allocator.

The token that can be used to cancel the enumeration.

Reads integer encoded in little-endian format.

public static ValueTask<T> ReadLittleEndianAsync<T>(this Stream stream, Memory<byte> buffer, CancellationToken token = default) where T : IBinaryInteger<T>

The stream to read from.

The buffer allocated by the caller.

The token that can be used to cancel the operation.

The integer value.

The integer type.

Decodes null-terminated UTF-8 encoded string synchronously.

public static int ReadUtf8(this Stream stream, Span<byte> buffer, IBufferWriter<char> output)

The stream containing encoded string.

The buffer used to read from stream.

The output buffer for decoded characters.

The number of used bytes in buffer.

Decodes null-terminated UTF-8 encoded string asynchronously.

public static ValueTask<int> ReadUtf8Async(this Stream stream, Memory<byte> buffer, IBufferWriter<char> output, CancellationToken token = default)

The stream containing encoded string.

The buffer used to read from stream.

The output buffer for decoded characters.

The token that can be used to cancel the operation.

The number of used bytes in buffer.

Decodes null-terminated UTF-8 encoded string asynchronously.

public static ValueTask<int> ReadUtf8Async<TArg>(this Stream stream, Memory<byte> bytesBuf, Memory<char> charsBuf, Func<ReadOnlyMemory<char>, TArg, CancellationToken, ValueTask> action, TArg arg, CancellationToken token = default)

The stream containing encoded string.

The buffer used to read from stream.

The buffer used to place decoded characters.

The callback to be executed for each decoded portion of char data.

The argument to be passed to action.

The token that can be used to cancel the operation.

The number of used bytes in bytesBuf.

The type of the argument to be passed to action.

Decodes null-terminated UTF-8 encoded string synchronously.

public static int ReadUtf8<TArg>(this Stream stream, Span<byte> bytesBuf, Span<char> charsBuf, ReadOnlySpanAction<char, TArg> action, TArg arg)

The stream containing encoded string.

The buffer used to read from stream.

The buffer used to place decoded characters.

The callback to be executed for each decoded portion of char data.

The argument to be passed to action.

The number of used bytes in bytesBuf.

The type of the argument to be passed to action.

Writes sequence of bytes to the underlying stream asynchronously.

public static ValueTask WriteAsync(this Stream stream, ReadOnlySequence<byte> sequence, CancellationToken token = default)

The task representing asynchronous execution of this method.

Encodes the octet string asynchronously.

public static ValueTask WriteAsync(this Stream stream, ReadOnlyMemory<byte> value, LengthFormat lengthFormat, Memory<byte> buffer, CancellationToken token = default)

The stream to write into.

The octet string to encode.

The format of the octet string length that must be inserted before the payload.

The buffer for internal I/O operations.

The token that can be used to cancel the operation.

The task representing asynchronous state of the operation.

Encodes formattable value as a sequence of bytes.

public static ValueTask WriteAsync<T>(this Stream stream, T value, Memory<byte> buffer, CancellationToken token = default) where T : IBinaryFormattable<T>

The stream to write into.

The type value to be written as string.

The buffer to be used for characters encoding.

The token that can be used to cancel the operation.

The task representing state of asynchronous execution.

The type of formattable value.

Writes the integer to the stream in big-endian format.

public static ValueTask WriteBigEndianAsync<T>(this Stream stream, T value, Memory<byte> buffer, CancellationToken token = default) where T : IBinaryInteger<T>

The stream to write into.

The value to be written in big-endian format.

The buffer to be used for characters encoding.

The token that can be used to cancel the operation.

The task representing state of asynchronous execution.

The integer type.

Writes the integer to the stream in little-endian format.

public static ValueTask WriteLittleEndianAsync<T>(this Stream stream, T value, Memory<byte> buffer, CancellationToken token = default) where T : IBinaryInteger<T>

The stream to write into.

The value to be written in little-endian format.

The buffer to be used for characters encoding.

The token that can be used to cancel the operation.

The task representing state of asynchronous execution.

The integer type.

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