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76 lines
2.5 KiB
V
76 lines
2.5 KiB
V
// Copyright (c) 2019-2023 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module termios
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// not used but needed for function declarations
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type TcFlag = int
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type Speed = int
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type Cc = u8
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// Termios definitions
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// Linux https://github.com/lattera/glibc/blob/master/sysdeps/unix/sysv/linux/bits/termios.h
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// OpenBSD https://github.com/openbsd/src/blob/master/sys/sys/termios.h
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// FreeBSD https://web.mit.edu/freebsd/head/sys/sys/_termios.h
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// Solaris https://github.com/omniti-labs/illumos-omnios/blob/master/usr/src/uts/common/sys/termios.h
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// DragonFly https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/sys/_termios.h
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// QNX https://github.com/vocho/openqnx/blob/master/trunk/lib/c/public/termios.h
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pub struct Termios {
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pub mut:
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c_iflag TcFlag
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c_oflag TcFlag
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c_cflag TcFlag
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c_lflag TcFlag
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c_line Cc
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c_cc [32]Cc
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c_ispeed Speed
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c_ospeed Speed
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}
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// flag provides a termios flag of the correct size
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// for the underlying C.termios structure
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pub fn flag(value int) TcFlag {
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return TcFlag(value)
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}
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// invert is a platform dependant way to bitwise NOT (~) TcFlag
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// as its length varies across platforms
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// It is only implemented for Unix like OSes
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pub fn invert(value TcFlag) TcFlag {
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return TcFlag(~int(value))
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}
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// tcgetattr is an unsafe wrapper around C.termios and keeps its semantic
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// It is only implemented for Unix like OSes
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pub fn tcgetattr(fd int, mut t Termios) int {
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$compile_warn('termios.tcgetattr is not implemented on the platform')
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eprintln('tcgetattr, fd: ${fd}, t: ${t}')
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return 0
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}
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// tcsetattr is an unsafe wrapper around C.termios and keeps its semantic
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// It is only implemented for Unix like OSes
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pub fn tcsetattr(fd int, optional_actions int, mut t Termios) int {
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eprintln('tcsetattr, fd: ${fd}, optional_actions: ${optional_actions}, t: ${t}')
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return 0
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}
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// ioctl is an unsafe wrapper around C.ioctl and keeps its semantic
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// It is only implemented for Unix like OSes
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pub fn ioctl(fd int, request u64, arg voidptr) int {
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eprintln('ioctl, fd: ${fd}, request: ${request}, arg: ${arg}')
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return 0
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}
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// set_state applies the flags in the `new_state` to the descriptor `fd`.
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pub fn set_state(fd int, new_state Termios) int {
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eprintln('set_state, fd: ${fd} | new_state: ${new_state}')
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return 0
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}
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// disable_echo disables echoing characters as they are typed
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// when that Termios state is later set with termios.set_state(fd,t)
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pub fn (mut t Termios) disable_echo() {
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t.c_lflag &= invert(8)
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}
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