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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)
}
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