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

Class FileReader | .NEXT

Represents buffered file reader.

public class FileReader : Disposable, IAsyncBinaryReader, IBufferedReader, IBufferedChannel, IResettable, IDisposable, IAsyncEnumerable<ReadOnlyMemory<byte>>, IDynamicInterfaceCastable

Initializes a new buffered file reader.

public FileReader(SafeFileHandle handle)

Initializes a new buffered file reader.

public FileReader(FileStream source)

Readable file stream.

Represents the file handle.

protected readonly SafeFileHandle handle

Gets buffer allocator.

public MemoryAllocator<byte>? Allocator { get; init; }

Gets unconsumed part of the buffer.

public ReadOnlyMemory<byte> Buffer { get; }

Gets or sets the cursor position within the file.

public long FilePosition { get; set; }

Gets a value indicating that the read buffer is not empty.

public bool HasBufferedData { get; }

Gets the maximum size of the internal buffer.

public int MaxBufferSize { get; init; }

Gets the read position within the file.

public long ReadPosition { get; }

Limits the number of available bytes to read.

public long? ReaderSegmentLength { set; }

The number of available bytes to read; or null to allow read to the end of the file.

Advances read position.

public void Consume(int count)

The number of consumed bytes.

Reads the entire content using the specified delegate.

public ValueTask CopyToAsync<TConsumer>(TConsumer consumer, long count, CancellationToken token = default) where TConsumer : ISupplier<ReadOnlyMemory<byte>, CancellationToken, ValueTask>

The content reader.

The number of bytes to copy.

The token that can be used to cancel the operation.

The task representing asynchronous result.

The type of the consumer.

Reads the entire content using the specified delegate.

public ValueTask CopyToAsync<TConsumer>(TConsumer consumer, CancellationToken token = default) where TConsumer : ISupplier<ReadOnlyMemory<byte>, CancellationToken, ValueTask>

The content reader.

The token that can be used to cancel the operation.

The task representing asynchronous result.

The type of the consumer.

Decodes the sequence of characters.

public ValueTask<MemoryOwner<char>> DecodeAsync(DecodingContext context, LengthFormat lengthFormat, MemoryAllocator<char>? allocator = null, CancellationToken token = default)

The decoding context containing string characters encoding.

The format of the string length encoded in the stream.

The allocator of the buffer of characters.

The token that can be used to cancel the operation.

Decodes the sequence of characters.

public IAsyncEnumerable<ReadOnlyMemory<char>> DecodeAsync(DecodingContext context, LengthFormat lengthFormat, Memory<char> buffer, CancellationToken token = default)

The decoding context containing string characters encoding.

The format of the string length encoded in the stream.

The buffer of characters.

The token that can be used to cancel the operation.

Releases managed and unmanaged resources associated with this object.

protected override void Dispose(bool disposing)

Parses the numeric value from UTF-8 encoded characters.

public ValueTask<T> ParseAsync<T>(LengthFormat lengthFormat, NumberStyles style, IFormatProvider? provider = null, CancellationToken token = default) where T : INumberBase<T>

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

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 ValueTask<T> ParseAsync<T>(LengthFormat lengthFormat, IFormatProvider? provider = null, CancellationToken token = default) where T : IUtf8SpanParsable<T>

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

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.

Reads the data from the file to the underlying buffer.

true if the data has been copied from the file to the internal buffer; false if no more data to read.

Reads the block of the memory.

public int Read(Span<byte> destination)

The output buffer.

The number of bytes copied to destination.

Reads the memory block.

public ValueTask<MemoryOwner<byte>> ReadAsync(LengthFormat lengthFormat, MemoryAllocator<byte>? allocator = null, CancellationToken token = default)

The format of the string length encoded in the stream.

An allocator of the resulting buffer.

The token that can be used to cancel the operation.

Reads the block of the memory.

public ValueTask<int> ReadAsync(Memory<byte> destination, CancellationToken token = default)

The output buffer.

The token that can be used to cancel the operation.

The number of bytes copied to destination.

Fetches the data from the underlying storage to the internal buffer.

public ValueTask<bool> ReadAsync(CancellationToken token = default)

The token that can be used to cancel the operation.

true if the data has been copied from the underlying storage to the internal buffer; false if no more data to read.

Decodes the value of binary formattable type.

public ValueTask<T> ReadAsync<T>(CancellationToken token = default) where T : IBinaryFormattable<T>

The token that can be used to cancel the operation.

The decoded value.

The type of the result.

Reads integer encoded in big-endian format.

public ValueTask<T> ReadBigEndianAsync<T>(CancellationToken token = default) where T : IBinaryInteger<T>

The token that can be used to cancel the operation.

The integer value.

The integer type.

Reads integer encoded in little-endian format.

public ValueTask<T> ReadLittleEndianAsync<T>(CancellationToken token = default) where T : IBinaryInteger<T>

The token that can be used to cancel the operation.

The integer value.

The integer type.

Clears the read buffer.

Skips the specified number of bytes and advances file read cursor.

public void Skip(long count)

The number of bytes to skip.

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