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#compdef dbus-send dbus-monitor

local curcontext="$curcontext" state line expl find end ret=1
typeset -A opt_args
local -a suf introspect interfaces

case $service in
  dbus-send)
    _arguments -A "--*" -C \
      '(--session)--system' '(--system)--session' \
      '--address=-:bus address:->addresses' \
      '--dest=-:connection:->connections' \
      '--print-reply=-::format:(literal)' \
      '--reply-timeout=-:timeout (ms)' \
      '--type=-:type:(method_call signal)' \
      '(* -)--help' \
      ':object path:->objectpaths' \
      ':message name:->methods' \
      ':content:->contents' && ret=0
  ;;
  dbus-monitor)
    _arguments -A "--*" -C \
      '*:watch expression:->expressions' \
      - '(bus)' \
      --system --session
      '--address=-:bus address:->addresses' \
      - '(format)' \
      --monitor --profile --pcap --binary && ret=0
  ;;
esac

case $state in
  addresses)
    compset -P '*;'
    if compset -P 1 '*='; then
      _files && ret=0
    else
      _message -e addresses address
    fi
  ;;
  connections)
    _wanted connections expl connection compadd ${=${(M)PREFIX:#*.*}:+-M 'r:|.=* r:|=*'} ${$(_call_program connections dbus-send ${opt_args[(I)--system]} --print-reply=literal --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListActivatableNames 2>/dev/null):#(array|\[|\])} ${$(_call_program connections dbus-send ${opt_args[(I)--system]} --print-reply=literal --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListNames 2>/dev/null):#(array|\[|\])} && ret=0
  ;;
  objectpaths)
    if [[ -prefix / ]]; then
      compset -P ${PREFIX%%[^/]#}
      _wanted objectpaths expl 'object path' compadd -qS/ ${${${(M)${(f)"$(_call_program objectpaths dbus-send --print-reply ${(M)words:#(--dest=|--system|--address=)*} ${${IPREFIX%/}:-/} org.freedesktop.DBus.Introspectable.Introspect 2>/dev/null)"}:#*node name=[^/]##\"*}#*\"}%\"*} && ret=0
    else
      _wanted objectpaths expl 'object path' compadd -S '/' -r '-=' '' && ret=0
    fi
  ;;
  methods)
    introspect=( ${(M)${(f)"$(_call_program methods dbus-send --print-reply ${(M)words:#(--dest=|--system|--address=|/)*} org.freedesktop.DBus.Introspectable.Introspect 2>/dev/null)"}:#*name=*} )
    interfaces=( ${${${(M)introspect:#*interface name=*}#*\"}%\"*} )
    _wanted interfaces expl interface compadd -qS. -M 'r:|.=* r:|=*' -a interfaces && ret=0
    if [[ $compstate[nmatches] != $#interfaces ]] && compset -P '*.'; then
      find="*interface name=?${IPREFIX%.}??"
      end=${interfaces[(i)${IPREFIX%.}]}
      _wanted methods expl method compadd ${${${(M)${${introspect[${introspect[(i)$find]}+1,(in.end+1.)*interface name=*]}:#*interface name=*}:#*${${opt_args[--type]%_*}:-method} name=*}#*\"}%\"*} && ret=0
    fi
  ;;
  contents)
    compset -S ':*' || suf=( -S : )
    while compset -P '(array|dict|variant):'; do
      :
    done
    if compset -P '*:'; then
      _message -e value 'value'
    else
      _alternative -O suf \
        'containers:container:(array dict variant)' \
	'types:type:(string double byte boolean objpath '${(j. .):-{,u}int{16,32,64}}\) && ret=0
    fi
  ;;
  expressions)
    _values -w -s , 'expression' \
      'type:message type:(signal method_call method_return error)' \
      'sender:bus or name' \
      'interface:interface' \
      'member:member' \
      'path:path' \
      'path_namespace:path' \
      'destination:unique name' \
      arg{0..9}:value \
      'arg0namespace:namespace' \
      'eavesdrop:eavesdropping:(true false)' && ret=0
  ;;
esac

return ret