mirror of https://github.com/docker/cli.git
51 lines
1.1 KiB
Go
51 lines
1.1 KiB
Go
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package streams
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import (
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"io"
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"os"
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"github.com/docker/docker/pkg/term"
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"github.com/sirupsen/logrus"
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)
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// Out is an output stream used by the DockerCli to write normal program
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// output.
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type Out struct {
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commonStream
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out io.Writer
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}
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func (o *Out) Write(p []byte) (int, error) {
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return o.out.Write(p)
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}
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// SetRawTerminal sets raw mode on the input terminal
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func (o *Out) SetRawTerminal() (err error) {
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if os.Getenv("NORAW") != "" || !o.commonStream.isTerminal {
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return nil
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}
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o.commonStream.state, err = term.SetRawTerminalOutput(o.commonStream.fd)
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return err
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}
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// GetTtySize returns the height and width in characters of the tty
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func (o *Out) GetTtySize() (uint, uint) {
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if !o.isTerminal {
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return 0, 0
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}
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ws, err := term.GetWinsize(o.fd)
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if err != nil {
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logrus.Debugf("Error getting size: %s", err)
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if ws == nil {
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return 0, 0
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}
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}
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return uint(ws.Height), uint(ws.Width)
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}
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// NewOut returns a new Out object from a Writer
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func NewOut(out io.Writer) *Out {
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fd, isTerminal := term.GetFdInfo(out)
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return &Out{commonStream: commonStream{fd: fd, isTerminal: isTerminal}, out: out}
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}
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