#compdef popd

# This just completes the numbers after +, showing the full directory list
# with numbers. For - we do the same thing, but reverse the numbering (other
# way round if pushdminus is set). Note that this function is also called
# from _cd for cd and pushd.

emulate -L zsh
setopt extendedglob nonomatch

[[ $PREFIX = [-+]* ]] || return 1

local expl list lines revlines ret=1 i

IPREFIX=$PREFIX[1]
PREFIX=$PREFIX[2,-1]

# get the list of directories with their canonical number
# and turn the lines into an array, removing the current directory
lines=( ${${(f)"$(dirs -v)"}##0*} )
if [[ ( $IPREFIX = - && ! -o pushdminus ) ||
      ( $IPREFIX = + && -o pushdminus ) ]]; then
  integer i
  revlines=( $lines )
  for (( i = 1; i <= $#lines; i++ )); do
    lines[$i]="$((i-1)) -- ${revlines[-$i]##[0-9]#[	 ]#}"
  done
else
  for (( i = 1; i <= $#lines; i++ )); do
    lines[$i]="$i -- ${lines[$i]##[0-9]#[	 ]#}"
  done
fi
# get the array of numbers only
list=(${lines%% *})
_description expl 'directory stack index'
compadd "$expl[@]" -ld lines -V dirs -Q - "$list[@]" && ret=0
[[ -z $compstate[list] ]] && compstate[list]=list && ret=0
[[ -n $compstate[insert] ]] && compstate[insert]=menu && ret=0

return ret