BytesFileIO class

BytesIO implementation over RandomAccessFile.

Inheritance

• Object
• BytesIO
• BytesFileIO

Constructors

BytesFileIO(RandomAccessFile io, {int? length})

BytesFileIO.fromFile(File file, {int? length, bool append = true})

factory

Properties

bytesData ↔ FileDataIntCodec

The internal ByteData to write integers and doubles.

late, final, override-getter

capacity → int

Returns the size of the internal bytes buffer (Uint8List).

no setter, override

hashCode → int

The hash code for this object.

no setter, inherited

isClosed → bool

Returns true if this IO was closed.

no setter, override

isEmpty → bool

Returns true if this instance is empty.

no setter, inherited

isNotEmpty → bool

Returns true if this instance is NOT empty.

no setter, inherited

length → int

The length of bytes in this buffer.

no setter, override

position → int

The current read/write cursor position in the bytes buffer.

no setter, override

randomAccessFile → RandomAccessFile

The RandomAccessFile of this IO.

no setter

remaining → int

The remaining bytes to read from position to the end of the buffer.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

supportsClosing → bool

Returns true on BytesFileIO implementation.

no setter, override

Methods

asUint8List([int offset = 0, int? length]) → Uint8List

Returns this instance as a Uint8List. Returns the internal bytes buffer if the length and capacity is the same, otherwise creates a copy with the exact length.

override

bytesTo<R>(R output(Uint8List bytes, int offset, int length), [int offset = 0, int? length]) → R

Calls the function output with the internal bytes of this instance.

override

canRead(int length) → bool

Returns true if at the current position it's possible to read length bytes.

inherited

checkCanRead(int length) → void

Checks if at the current position it's possible to read length bytes.

inherited

close() → dynamic

Flushes then closes this instance.

override

compact() → bool

Compact the internal bytes capacity to length.

override

ensureCapacity(int needed) → void

Ensures that capacity can store the needed bytes.

override

flush() → void

Flushes this instance data.

override

incrementPosition(int n) → void

Increments position in n bytes.

override

indexOf(int byte, [int offset = 0, int? length]) → int

Returns the index of byte inf offset and length range.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

readByte() → int

Reads 1 byte. Increments position by 1.

override

readBytes(int length) → Uint8List

Reads an Uint8List of length.

override

readTo(BytesIO io, [int? length]) → int

Read length bytes into io.

override

reset() → void

Resets this buffer. Sets the length and position to 0.

override

seek(int position) → int

Changes the read/write cursor position.

override

setLength(int length) → void

Sets the length of this buffer. Increases internal bytes buffer capacity if needed.

override

toBytes([int offset = 0, int? length]) → Uint8List

Returns a copy of the internal bytes (Uint8List) of this instance.

override

toString() → String

A string representation of this object.

override

write(List<int> list, [int offset = 0, int? length]) → int

Writes the int at list as bytes, respecting offset and length parameters.

override

writeAll(List<int> list) → int

Writes all the int at list as bytes.

override

writeAllBytes(Uint8List bytes) → int

Writes all the bytes into this buffer.

override

writeByte(int b) → int

Writes 1 byte. Increments position by 1.

override

writeBytes(Uint8List bs, [int offset = 0, int? length]) → int

Writes the bytes into this buffer, respecting offset and length parameters.

override

writeFrom(BytesIO io, [int? length]) → int

Writes length bytes from io.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

fromFileAsync(File file, {int? length, bool append = true}) → Future<BytesFileIO>