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Current File : //usr/share/zsh/4.3.11/functions/read-from-minibuffer

emulate -L zsh
setopt extendedglob

local opt keys
integer stat

while getopts "k:" opt; do
  case $opt in
    # Read the given number of keys.  This is a bit
    # ropey for more than a single key.
    (k)
    keys=$OPTARG
    ;;

    (*)
    return 1
    ;;
  esac
done
(( OPTIND > 1 )) && shift $(( OPTIND - 1 ))

  local pretext="$PREDISPLAY$LBUFFER$RBUFFER$POSTDISPLAY
"
# We could use the local variables mechanism to save these
# values, but if read-from-minibuffer is called as a widget
# (which isn't actually all that useful) the values won't be
# restored because the variables are already local at the current
# level and don't get restored when they go out of scope.
# We could do it with an additional function level.
  local save_lbuffer=$LBUFFER
  local save_rbuffer=$RBUFFER
  local save_predisplay=$PREDISPLAY
  local save_postdisplay=$POSTDISPLAY
  local -a save_region_highlight
  save_region_highlight=("${region_highlight[@]}")

{
  LBUFFER="$2"
  RBUFFER="$3"
  PREDISPLAY="$pretext${1:-? }"
  POSTDISPLAY=
  region_highlight=("P${#pretext} ${#PREDISPLAY} bold")

  if [[ -n $keys ]]; then
    zle -R
    read -k $keys
    stat=$?
  else
    zle recursive-edit -K main
    stat=$?
    (( stat )) || REPLY=$BUFFER
  fi
} always {
  LBUFFER=$save_lbuffer
  RBUFFER=$save_rbuffer
  PREDISPLAY=$save_predisplay
  POSTDISPLAY=$save_postdisplay
  region_highlight=("${save_region_highlight[@]}")
}

return $stat

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