slicer

Documentation

Overview

Package slicer provides an io.Reader that returns subsets of a file.

Index

• type Reader
  • func NewReader(seeker io.ReadSeeker, slices []Slice) (*Reader, error)
  • func (r *Reader) Read(b []byte) (int, error)
• type Slice
  • func (s Slice) Overlaps(x Slice) bool

Types

type Reader

type Reader struct {
	// contains filtered or unexported fields
}

Reader implements io.Reader reading the sliced regions provided to it from the underlying file thus extracting subsets of an underlying file without modifying or copying the file.

func NewReader

func NewReader(seeker io.ReadSeeker, slices []Slice) (*Reader, error)

func (*Reader) Read

func (r *Reader) Read(b []byte) (int, error)

type Slice

type Slice struct {
	Offset uint64
	Length uint64
}

func (Slice) Overlaps

func (s Slice) Overlaps(x Slice) bool