diff options
Diffstat (limited to 'vendor/github.com/containerd/console/console.go')
-rw-r--r-- | vendor/github.com/containerd/console/console.go | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/console/console.go b/vendor/github.com/containerd/console/console.go new file mode 100644 index 000000000..bf2798fda --- /dev/null +++ b/vendor/github.com/containerd/console/console.go @@ -0,0 +1,62 @@ +package console + +import ( + "errors" + "io" + "os" +) + +var ErrNotAConsole = errors.New("provided file is not a console") + +type Console interface { + io.Reader + io.Writer + io.Closer + + // Resize resizes the console to the provided window size + Resize(WinSize) error + // ResizeFrom resizes the calling console to the size of the + // provided console + ResizeFrom(Console) error + // SetRaw sets the console in raw mode + SetRaw() error + // DisableEcho disables echo on the console + DisableEcho() error + // Reset restores the console to its orignal state + Reset() error + // Size returns the window size of the console + Size() (WinSize, error) + // Fd returns the console's file descriptor + Fd() uintptr + // Name returns the console's file name + Name() string +} + +// WinSize specifies the window size of the console +type WinSize struct { + // Height of the console + Height uint16 + // Width of the console + Width uint16 + x uint16 + y uint16 +} + +// Current returns the current processes console +func Current() Console { + c, err := ConsoleFromFile(os.Stdin) + if err != nil { + // stdin should always be a console for the design + // of this function + panic(err) + } + return c +} + +// ConsoleFromFile returns a console using the provided file +func ConsoleFromFile(f *os.File) (Console, error) { + if err := checkConsole(f); err != nil { + return nil, err + } + return newMaster(f) +} |