forked from toolshed/abra
61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package term provides support functions for dealing with terminals, as
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// commonly found on UNIX systems.
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//
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// Putting a terminal into raw mode is the most common requirement:
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//
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// oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
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// if err != nil {
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// panic(err)
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// }
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// defer term.Restore(int(os.Stdin.Fd()), oldState)
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//
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// Note that on non-Unix systems os.Stdin.Fd() may not be 0.
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package term
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// State contains the state of a terminal.
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type State struct {
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state
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}
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// IsTerminal returns whether the given file descriptor is a terminal.
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func IsTerminal(fd int) bool {
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return isTerminal(fd)
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}
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// MakeRaw puts the terminal connected to the given file descriptor into raw
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// mode and returns the previous state of the terminal so that it can be
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// restored.
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func MakeRaw(fd int) (*State, error) {
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return makeRaw(fd)
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}
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// GetState returns the current state of a terminal which may be useful to
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// restore the terminal after a signal.
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func GetState(fd int) (*State, error) {
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return getState(fd)
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}
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// Restore restores the terminal connected to the given file descriptor to a
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// previous state.
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func Restore(fd int, oldState *State) error {
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return restore(fd, oldState)
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}
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// GetSize returns the visible dimensions of the given terminal.
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//
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// These dimensions don't include any scrollback buffer height.
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func GetSize(fd int) (width, height int, err error) {
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return getSize(fd)
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}
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// ReadPassword reads a line of input from a terminal without local echo. This
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// is commonly used for inputting passwords and other sensitive data. The slice
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// returned does not include the \n.
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func ReadPassword(fd int) ([]byte, error) {
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return readPassword(fd)
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}
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