readline/utils.go

47 lines
813 B
Go

package readline
import (
"fmt"
"os"
"golang.org/x/crypto/ssh/terminal"
)
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(fd int) bool {
return terminal.IsTerminal(fd)
}
func MakeRaw(fd int) (*terminal.State, error) {
return terminal.MakeRaw(fd)
}
func Restore(fd int, state *terminal.State) error {
return terminal.Restore(fd, state)
}
func IsPrintable(key rune) bool {
isInSurrogateArea := key >= 0xd800 && key <= 0xdbff
return key >= 32 && !isInSurrogateArea
}
func prefixKey(r rune) rune {
switch r {
case 'b':
r = MetaPrev
case 'f':
r = MetaNext
case 'd':
r = MetaDelete
case KeyEsc:
}
return r
}
func Debug(o ...interface{}) {
f, _ := os.OpenFile("debug.tmp", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
fmt.Fprintln(f, o...)
f.Close()
}