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#compdef socket

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

local state line expl
typeset -A options

if [[ $CURRENT -eq 2 && (
  -z "$compconfig[option_prefix]" ||
  "$compconfig[option_prefix]" = *\!${words[1]}* ||
  "$PREFIX" = -* ) ]]; then
  _description expl option
  compadd -M 'r:|[_-]=* r:|=*' "$expl[@]" - -version
fi

_arguments -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 (( $+options[-s] )); then
    _description expl 'port to listen'
    _ports "$expl[@]"
  else
    _description expl 'host'
    _combination socket_hosts_ports hosts "$expl[@]"
  fi
  ;;

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