ioutils

package
v1.8.0-rc1 Latest Latest
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Published: Jul 25, 2015 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func FprintfIfNotEmpty added in v1.7.0

func FprintfIfNotEmpty(w io.Writer, format, value string) (int, error)

FprintfIfNotEmpty prints the string value if it's not empty

func HashData added in v1.7.0

func HashData(src io.Reader) (string, error)

func MultiReadSeeker added in v1.8.0

func MultiReadSeeker(readers ...io.ReadSeeker) io.ReadSeeker

MultiReadSeeker returns a ReadSeeker that's the logical concatenation of the provided input readseekers. After calling this method the initial position is set to the beginning of the first ReadSeeker. At the end of a ReadSeeker, Read always advances to the beginning of the next ReadSeeker and returns EOF at the end of the last ReadSeeker. Seek can be used over the sum of lengths of all readseekers.

When a MultiReadSeeker is used, no Read and Seek operations should be made on its ReadSeeker components. Also, users should make no assumption on the state of individual readseekers while the MultiReadSeeker is used.

func NewBufReader

func NewBufReader(r io.Reader) *bufReader

func NewBufReaderWithDrainbufAndBuffer

func NewBufReaderWithDrainbufAndBuffer(r io.Reader, drainBuffer []byte, buffer *bytes.Buffer) *bufReader

func NewReadCloserWrapper

func NewReadCloserWrapper(r io.Reader, closer func() error) io.ReadCloser

func NewReaderErrWrapper

func NewReaderErrWrapper(r io.Reader, closer func()) io.Reader

func NewWriteCloserWrapper

func NewWriteCloserWrapper(r io.Writer, closer func() error) io.WriteCloser

func NopWriteCloser

func NopWriteCloser(w io.Writer) io.WriteCloser

Types

type NopFlusher

type NopFlusher struct{}

func (*NopFlusher) Flush

func (f *NopFlusher) Flush()

type NopWriter

type NopWriter struct{}

func (*NopWriter) Write

func (*NopWriter) Write(buf []byte) (int, error)

type OnEOFReader added in v1.8.0

type OnEOFReader struct {
	Rc io.ReadCloser
	Fn func()
}

func (*OnEOFReader) Close added in v1.8.0

func (r *OnEOFReader) Close() error

func (*OnEOFReader) Read added in v1.8.0

func (r *OnEOFReader) Read(p []byte) (n int, err error)

type WriteCounter added in v1.7.0

type WriteCounter struct {
	Count  int64
	Writer io.Writer
}

Wrap a concrete io.Writer and hold a count of the number of bytes written to the writer during a "session". This can be convenient when write return is masked (e.g., json.Encoder.Encode())

func NewWriteCounter added in v1.7.0

func NewWriteCounter(w io.Writer) *WriteCounter

func (*WriteCounter) Write added in v1.7.0

func (wc *WriteCounter) Write(p []byte) (count int, err error)

type WriteFlusher added in v1.7.0

type WriteFlusher struct {
	sync.Mutex
	// contains filtered or unexported fields
}

func NewWriteFlusher added in v1.7.0

func NewWriteFlusher(w io.Writer) *WriteFlusher

func (*WriteFlusher) Flush added in v1.7.0

func (wf *WriteFlusher) Flush()

Flush the stream immediately.

func (*WriteFlusher) Flushed added in v1.7.0

func (wf *WriteFlusher) Flushed() bool

func (*WriteFlusher) Write added in v1.7.0

func (wf *WriteFlusher) Write(b []byte) (n int, err error)

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