require "./sys/types"

lib LibC
  BRKINT = 0o000002
  ISTRIP = 0o000040
  ICRNL  = 0o000400
  IXON   = 0o002000

  OPOST = 0o000001

  ISIG   = 0o000001
  ICANON = 0o000002
  ECHO   = 0o000010
  ECHOE  = 0o000020
  ECHOK  = 0o000040
  ECHONL = 0o000100
  IEXTEN = 0o100000

  TCSANOW = 0

  # the following constants would have been used by the inline version of
  # `cfmakeraw` (see the bottom of this file)
  VTIME = 5
  VMIN  = 6

  CSIZE  = 0o000060
  PARENB = 0o000400

  CS8 = 0o000060

  IGNBRK = 0o000001
  PARMRK = 0o000010
  INLCR  = 0o000100
  IGNCR  = 0o000200

  # the following constants are unused and solely provided for `::Termios`
  VINTR    =        0
  VQUIT    =        1
  VERASE   =        2
  VKILL    =        3
  VEOF     =        4
  VSWTC    =        7
  VSTART   =        8
  VSTOP    =        9
  VSUSP    =       10
  VEOL     =       11
  VREPRINT =       12
  VDISCARD =       13
  VWERASE  =       14
  VLNEXT   =       15
  VEOL2    =       16
  IGNPAR   = 0o000004
  INPCK    = 0o000020
  IUCLC    = 0o001000
  IXANY    = 0o004000
  IXOFF    = 0o010000
  IMAXBEL  = 0o020000
  IUTF8    = 0o040000
  OLCUC    = 0o000002
  ONLCR    = 0o000004
  OCRNL    = 0o000010
  ONOCR    = 0o000020
  ONLRET   = 0o000040
  OFILL    = 0o000100
  OFDEL    = 0o000200
  NLDLY    = 0o000400
  NL0      = 0o000000
  NL1      = 0o000400
  CRDLY    = 0o003000
  CR0      = 0o000000
  CR1      = 0o001000
  CR2      = 0o002000
  CR3      = 0o003000
  TABDLY   = 0o014000
  TAB0     = 0o000000
  TAB1     = 0o004000
  TAB2     = 0o010000
  TAB3     = 0o014000
  XTABS    = 0o014000
  BSDLY    = 0o020000
  BS0      = 0o000000
  BS1      = 0o020000
  VTDLY    = 0o040000
  VT0      = 0o000000
  VT1      = 0o040000
  FFDLY    = 0o100000
  FF0      = 0o000000
  FF1      = 0o100000
  CBAUD    = 0o010017
  B0       = 0o000000
  B50      = 0o000001
  B75      = 0o000002
  B110     = 0o000003
  B134     = 0o000004
  B150     = 0o000005
  B200     = 0o000006
  B300     = 0o000007
  B600     = 0o000010
  B1200    = 0o000011
  B1800    = 0o000012
  B2400    = 0o000013
  B4800    = 0o000014
  B9600    = 0o000015
  B19200   = 0o000016
  B38400   = 0o000017

  EXTA = LibC::B19200
  EXTB = LibC::B38400

  CS5       =      0o000000
  CS6       =      0o000020
  CS7       =      0o000040
  CSTOPB    =      0o000100
  CREAD     =      0o000200
  PARODD    =      0o001000
  HUPCL     =      0o002000
  CLOCAL    =      0o004000
  CBAUDEX   =      0o010000
  BOTHER    =      0o010000
  B57600    =      0o010001
  B115200   =      0o010002
  B230400   =      0o010003
  B460800   =      0o010004
  B500000   =      0o010005
  B576000   =      0o010006
  B921600   =      0o010007
  B1000000  =      0o010010
  B1152000  =      0o010011
  B1500000  =      0o010012
  B2000000  =      0o010013
  B2500000  =      0o010014
  B3000000  =      0o010015
  B3500000  =      0o010016
  B4000000  =      0o010017
  CIBAUD    = 0o02003600000
  CMSPAR    = 0o10000000000
  CRTSCTS   = 0o20000000000
  IBSHIFT   =            16
  XCASE     =      0o000004
  NOFLSH    =      0o000200
  TOSTOP    =      0o000400
  ECHOCTL   =      0o001000
  ECHOPRT   =      0o002000
  ECHOKE    =      0o004000
  FLUSHO    =      0o010000
  PENDIN    =      0o040000
  EXTPROC   =      0o200000
  TCOOFF    =             0
  TCOON     =             1
  TCIOFF    =             2
  TCION     =             3
  TCIFLUSH  =             0
  TCOFLUSH  =             1
  TCIOFLUSH =             2
  TCSADRAIN =             1
  TCSAFLUSH =             2

  alias CcT = Char
  alias SpeedT = UInt
  alias TcflagT = UInt

  struct Termios
    c_iflag : TcflagT
    c_oflag : TcflagT
    c_cflag : TcflagT
    c_lflag : TcflagT
    c_line : CcT
    c_cc : StaticArray(CcT, 19) # cc_t[NCCS]
  end

  {% if ANDROID_API >= 28 %}
    fun tcgetattr(__fd : Int, __t : Termios*) : Int
    fun tcsetattr(__fd : Int, __optional_actions : Int, __t : Termios*) : Int
    fun cfmakeraw(__t : Termios*)
  {% end %}
end