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Edit File: _directory_stack

#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.

setopt localoptions nonomatch

local expl list lines revlines disp sep

### we decided against this, for now...
#! zstyle -T ":completion:${curcontext}:directory-stack" prefix-needed ||

zstyle -s ":completion:${curcontext}:directory-stack" list-separator sep || sep=--

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

if zstyle -T ":completion:${curcontext}:directory-stack" verbose; then
  # get the list of directories with their canonical number
  # and turn the lines into an array, removing the current directory
  lines=("${dirstack[@]}")

if [[ ( $PREFIX[1] = - && ! -o pushdminus ) ||
        ( $PREFIX[1] = + && -o pushdminus ) ]]; then
    integer i
    revlines=( $lines )
    for (( i = 1; i <= $#lines; i++ )); do
      lines[$i]="$((i-1)) $sep ${revlines[-$i]##[0-9]#[	 ]#}"
    done
  else
    for (( i = 1; i <= $#lines; i++ )); do
      lines[$i]="$i $sep ${lines[$i]##[0-9]#[	 ]#}"
    done
  fi
  # get the array of numbers only
  list=( ${PREFIX[1]}${^lines%% *} )
  disp=( -ld lines )
else
  list=( ${PREFIX[1]}{0..${#dirstack}} )
  disp=()
fi

_wanted -V directory-stack expl 'directory stack' \
    compadd "$@" "$disp[@]" -Q -a list

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