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iobuffer

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iobuffer

Read and write binary data on ArrayBuffers

  • 2.0.0
  • Source
  • npm
  • Socket score

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Weekly downloads
50K
decreased by-11.73%
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iobuffer

NPM version build status Test coverage npm download

Read and write binary data in ArrayBuffers

Installation

$ npm install iobuffer

API

IOBuffer

new IOBuffer(data)

data can be an ArrayBuffer or any Typed Array (including Node.js' Buffer from v4).

buffer

Reference to the internal ArrayBuffer object.

length

Byte length of the internal ArrayBuffer object.

available(byteLength = 1)

Returns true if there are enough bytes between the current offset and the buffer's end, false otherwise.

setBigEndian() / setLittleEndian()

Set the endianess for multi-byte values (default is little endian).

isBigEndian() / isLittleEndian()

Returns a boolean indicating if current endianess matches.

littleEndian

true if current endianess is little endian, false if it is big endian.

offset

Value of the current pointer offset.

skip(n = 1)

Move the pointer forward by n bytes.

seek(offset)

Move the pointer at the given offset.

mark()

Store the current pointer offset.

reset()

Move the pointer back to the last offset stored by mark.

rewind()

Move the pointer back to offset 0.

Read methods

Each method returns the value and moves the pointer forward by the number of read bytes.

  • readBoolean
  • readInt8
  • readUint8 / readByte / readBytes(n)
  • readInt16
  • readUint16
  • readInt32
  • readUint32
  • readFloat32
  • readFloat64
  • readChar / readChars(n)

License

MIT

FAQs

Package last updated on 23 Nov 2015

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