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ccli5
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cli/command/out.go
50 строк
1 KB
Simon Ferquel
updated vendoring
02 сен 2017, 02:41
02 сен 2017, 02:41
a0113c3
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package command import ( "io" "os" "github.com/docker/docker/pkg/term" "github.com/sirupsen/logrus" ) // OutStream is an output stream used by the DockerCli to write normal program // output. type OutStream struct { CommonStream out io.Writer } func (o *OutStream) Write(p []byte) (int, error) { return o.out.Write(p) } // SetRawTerminal sets raw mode on the input terminal func (o *OutStream) SetRawTerminal() (err error) { if os.Getenv("NORAW") != "" || !o.CommonStream.isTerminal { return nil } o.CommonStream.state, err = term.SetRawTerminalOutput(o.CommonStream.fd) return err } // GetTtySize returns the height and width in characters of the tty func (o *OutStream) GetTtySize() (uint, uint) { if !o.isTerminal { return 0, 0 } ws, err := term.GetWinsize(o.fd) if err != nil { logrus.Debugf("Error getting size: %s", err) if ws == nil { return 0, 0 } } return uint(ws.Height), uint(ws.Width) } // NewOutStream returns a new OutStream object from a Writer func NewOutStream(out io.Writer) *OutStream { fd, isTerminal := term.GetFdInfo(out) return &OutStream{CommonStream: CommonStream{fd: fd, isTerminal: isTerminal}, out: out} }