#compdef info

_info () {
  local context state line expl ret=1
  typeset -A opt_args
  local -a info

  info=(_call_program info ${words[1]})

  _arguments -s \
    '(: -)--apropos=[look up string in indices]:search string: ' \
    '(-f --file)'{\*-d,\*--directory=}'[add directory to infopath]:info dir:_files -/' \
    '--dribble=[record keystrokes]:file with keystrokes:_files' \
    '(-f --file -d --directory)'{-f,--file=}'[info file to show]:info file:_files -g "*.info(|.gz|.bz2)"' \
    '(: - -h --help)'{-h,--help}'[display usage]' \
    '(-o --output -O)--index-search=[go directly to node if found]:search string: ' \
    '(--index-search -o --output -O)'{-o,--output=}'[dump selected nodes to filename]:filename:_files -g "*(^/)"' \
    '(-R --raw-escapes)'{-R,--raw-escapes}'[do not remove ANSI escapes from man pages]' \
    '--restore=[read keystrokes from file]:filename:_files -g "*(^/)"' \
    '(--index-search -o --output -O --show-options --usage)'{-O,--show-options,--usage}'[go to command-line options node]' \
    '--subnodes[recursively output menu items]' \
    '--vi-keys[use Vi-like key bindings]' \
    '(: -)--version[display version information]' \
    '(--apropos -h --help -O --output --version)*::menu items:->item' && ret=0

  case $state in
    item )
      local -a items

      info=($info ${(kv)opt_args[(I)(-d|--directory|-f|--file)]})

      items=(${${(M)${${(f)"$(${info} --output - ${words[1,CURRENT-1]} 2>/dev/null)"}[1,(r)[[:space:]]#--- The Detailed Node Listing ---[[:space:]]#]}:#\* *~\* Menu:*}:/(#b)\*[[:space:]]##([^:]##):(#B)( \(?##\)[^.]#.|(:|))[[:space:]]#(#b)(*)[[:space:]]#/$match[1]${match[2]:+:}$match[2]})

      _describe -t items "menu items" items && ret=0
    ;;
  esac

  return $ret
}

_texinfo () {
  local ret=1

  case $service in
    info )
      _info && ret=0
    ;;
  esac

  return $ret
}

_texinfo "$@"