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#compdef socket

# Parameter used:
#
#  socket_hosts_ports
#    The array that contains paris `host:port'.

local curcontext="$curcontext" state line expl
typeset -A opt_args

[[ $CURRENT -eq 2 ]] && _wanted options expl option &&
    { ! _style options prefix-needed || [[ "$PREFIX" = -* ]] } &&
    compadd -M 'r:|[_-]=* r:|=*' "$expl[@]" - -version

_arguments -C -s \
  '-b[background]' \
  '-c[crlf]' \
  '-f[fork]' \
  '-q[quit]' \
  '-r[read only]' \
  '-v[verbose]' \
  '-w[write only]' \
  '-s[server]' \
  '-l[loop]' \
  '-p[program]:command:->command' \
  ':arg1:->arg1' \
  ':arg2:->arg2'

case "$state" in
command)
  compset -q
  if [[ $CURRENT -eq 1 ]]; then
    _command_names -e "$@"
  else
    _normal
  fi
  ;;

arg1)
  if (( $+opt_args[-s] )); then
    _wanted ports expl 'port to listen' && _ports "$expl[@]"
  else
    _wanted hosts expl 'host' &&
        _combination socket_hosts_ports hosts "$expl[@]"
  fi
  ;;

arg2)
  if (( ! $+opt_args[-s] )); then
    _wanted ports expl 'port to connect' &&
        _combination socket_hosts_ports hosts="${line[2]:q}" ports "$expl[@]"
  fi
  ;;
esac