Version: v1.1.0 Latest Latest

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Published: Mar 15, 2018 License: Apache-2.0 Imports: 9 Imported by: 0




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func CreateDirIfMissing

func CreateDirIfMissing(dirPath string) (bool, error)

CreateDirIfMissing creates a dir for dirPath if not already exists. If the dir is empty it returns true

func DecodeOrderPreservingVarUint64

func DecodeOrderPreservingVarUint64(bytes []byte) (uint64, int)

DecodeOrderPreservingVarUint64 decodes the number from the bytes obtained from method 'EncodeOrderPreservingVarUint64'. Also, returns the number of bytes that are consumed in the process

func DirEmpty

func DirEmpty(dirPath string) (bool, error)

DirEmpty returns true if the dir at dirPath is empty

func EncodeOrderPreservingVarUint64

func EncodeOrderPreservingVarUint64(number uint64) []byte

EncodeOrderPreservingVarUint64 returns a byte-representation for a uint64 number such that all zero-bits starting bytes are trimmed in order to reduce the length of the array For preserving the order in a default bytes-comparison, first byte contains the number of remaining bytes. The presence of first byte also allows to use the returned bytes as part of other larger byte array such as a composite-key representation in db

func FileExists

func FileExists(filePath string) (bool, int64, error)

FileExists checks whether the given file exists. If the file exists, this method also returns the size of the file.

func ListSubdirs

func ListSubdirs(dirPath string) ([]string, error)

ListSubdirs returns the subdirectories


type Buffer

type Buffer struct {
	// contains filtered or unexported fields

Buffer provides a wrapper on top of proto.Buffer. The purpose of this wrapper is to get to know the current position in the []byte

func NewBuffer

func NewBuffer(b []byte) *Buffer

NewBuffer constructs a new instance of Buffer

func (*Buffer) DecodeRawBytes

func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error)

DecodeRawBytes wraps the actual method and updates the position

func (*Buffer) DecodeVarint

func (b *Buffer) DecodeVarint() (uint64, error)

DecodeVarint wraps the actual method and updates the position

func (*Buffer) GetBytesConsumed

func (b *Buffer) GetBytesConsumed() int

GetBytesConsumed returns the offset of the current position in the underlying []byte


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