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#pragma once
#include <termios.h>
enum class TerminalControlModeFlag
{
csize = 0000060,
cs5 = 0000000,
cs6 = 0000020,
cs7 = 0000040,
cs8 = 0000060,
cstopb = 0000100,
cread = 0000200,
parenb = 0000400,
parodd = 0001000,
hupcl = 0002000,
clocal = 0004000,
};
enum class TerminalInputModeFlag
{
ignbrk = 0000001, // Ignore break condition
brkint = 0000002, // Signal interrupt on break
ignpar = 0000004, // Ignore characters with parity errors
parmrk = 0000010, // Mark parity and framing errors
inpck = 0000020, // Enable input parity check
istrip = 0000040, // Strip = 8,th bit off characters
inlcr = 0000100, // Map NL to CR on input
igncr = 0000200, // Ignore CR
icrnl = 0000400, // Map CR to NL on input
iuclc = 0001000, // Map uppercase characters to lowercase on input (not in POSIX)
ixon = 0002000, // Enable start/stop output control
ixany = 0004000, // Enable any character to restart output
ixoff = 0010000, // Enable start/stop input control
imaxbel = 0020000, // Ring bell when input queue is full (not in POSIX)
iutf8 = 0040000, // Input is UTF8 (not in POSIX)
};
enum class TerminalOutputModeFlag
{
opost = 0000001, // Post-process output
olcuc = 0000002, // Map lowercase characters to uppercase on output (not in POSIX)
onlcr = 0000004, // Map NL to CR-NL on output
ocrnl = 0000010, // Map CR to NL on output
onocr = 0000020, // No CR output at column = 0
onlret = 0000040, // NL performs CR function
ofill = 0000100, // Use fill characters for delay
ofdel = 0000200, // Fill is DEL
nldly = 0000400, // Select newline delays:
nl0 = 0000000, // Newline type = 0
nl1 = 0000400, // Newline type = 1
crdly = 0003000, // Select carriage-return delays:
cr0 = 0000000, // Carriage-return delay type = 0
cr1 = 0001000, // Carriage-return delay type = 1
cr2 = 0002000, // Carriage-return delay type = 2
cr3 = 0003000, // Carriage-return delay type = 3
tabdly = 0014000, // Select horizontal-tab delays:
tab0 = 0000000, // Horizontal-tab delay type = 0
tab1 = 0004000, // Horizontal-tab delay type = 1
tab2 = 0010000, // Horizontal-tab delay type = 2
tab3 = 0014000, // Expand tabs to spaces
bsdly = 0020000, // Select backspace delays:
bs0 = 0000000, // Backspace-delay type = 0
bs1 = 0020000, // Backspace-delay type = 1
ffdly = 0100000, // Select form-feed delays:
ff0 = 0000000, // Form-feed delay type = 0
ff1 = 0100000, // Form-feed delay type = 1
vtdly = 0040000, // Select vertical-tab delays:
vt0 = 0000000, // Vertical-tab delay type = 0
vt1 = 0040000, // Vertical-tab delay type = 1
xtabs = 0014000,
};
enum class TerminalLocalModeFlag
{
isig = 0000001, // When any of the characters INTR, QUIT, SUSP, or DSUSP are received,
// generate the corresponding signal
icanon = 0000002, // Canonical input
xcase = 0000004,
echo = 0000010, // Echo input characters
echoe = 0000020, // Echo erase character as error-correcting backspace
echok = 0000040, // Echo KILL
echonl = 0000100, // Echo NL
noflsh = 0000200, // Disable flush after interrupt or quit
tostop = 0000400, // Send SIGTTOU for background output
echoctl = 0001000, /* If ECHO is also set, terminal special characters
other than TAB, NL, START, and STOP are echoed as
^X, where X is the character with ASCII code = 0,x40
greater than the special character
(not in POSIX) */
echoprt = 0002000, /* If ICANON and ECHO are also set, characters are
printed as they are being erased
(not in POSIX) */
echoke = 0004000, /* If ICANON is also set, KILL is echoed by erasing
each character on the line, as specified by ECHOE
and ECHOPRT (not in POSIX) */
flusho = 0010000, /* Output is being flushed This flag is toggled by
typing the DISCARD character (not in POSIX) */
pendin = 0040000, /* All characters in the input queue are reprinted
when the next character is read
(not in POSIX) */
iexten = 0100000, // Enable implementation-defined input processing
extproc = 0200000,
};
class TerminalState
{
public:
TerminalState() = default;
explicit TerminalState(termios term_attrs) noexcept;
void set_input_mode_flag(TerminalInputModeFlag flag, bool is_on) noexcept;
void set_output_mode_flag(TerminalOutputModeFlag flag, bool is_on) noexcept;
void set_control_mode_flag(TerminalControlModeFlag flag, bool is_on) noexcept;
void set_local_mode_flag(TerminalLocalModeFlag flag, bool is_on) noexcept;
auto get_attributes() noexcept -> termios;
private:
termios _term_attrs;
};
auto get_terminal_state(int term_fd) noexcept -> TerminalState;
void set_terminal_state(int term_fd, TerminalState state) noexcept;
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