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Current Path : /usr/share/zsh/4.3.11/functions/
Current File : //usr/share/zsh/4.3.11/functions/_user_expand
#autoload

# This completer function is an addition to the _expand completer that
# allows the user to define their own expansions.  It does not replace
# the _expand completer.
#
# This function will allow other completer functions to be called if
# the expansions done produce no result or do not change the original
# word from the line.

setopt localoptions nonomatch

[[ _matcher_num -gt 1 ]] && return 1

local exp word sort expr expl subd suf=" " asp tmp spec
local -a specs reply

if [[ "$funcstack[2]" = _prefix ]]; then
  word="$IPREFIX$PREFIX$SUFFIX"
else
  word="$IPREFIX$PREFIX$SUFFIX$ISUFFIX"
fi

# In exp we will collect the expansions.

exp=("$word")

# Now look for user completions.

zstyle -a ":completion:${curcontext}" user-expand specs || return 1

for spec in $specs; do
  case $spec in
    ('$'[[:IDENT:]]##)
    # Spec is an associative array with explicit keys.
    # Surely there's a better way of doing an associative array
    # lookup from its name?
    eval tmp='${'$spec[2,-1]'[$word]}'
    if [[ -n $tmp ]]; then
      exp=("$tmp")
      break
    fi
    ;;

    ('_'*)
    reply=()
    $spec $word
    if (( ${#reply} )); then
      exp=("${reply[@]}")
      break
    fi
    ;;
  esac
done

[[ $#exp -eq 1 && "$exp[1]" = "$word" ]] && return 1

# Now add as matches whatever the user requested.

zstyle -s ":completion:${curcontext}:" sort sort

[[ "$sort" = (yes|true|1|on) ]] && exp=( "${(@o)exp}" )

if zstyle -s ":completion:${curcontext}:" add-space tmp; then
  if [[ "$tmp" != *subst* || "$word" != *\$* || "$exp[1]" = *\$* ]]; then
    [[ "$tmp" = *file* ]] && asp=file
    [[ "$tmp" = *(yes|true|1|on|subst)* ]] && asp="yes$asp"
  fi
else
  asp=file
fi

# If there is only one expansion, add a suitable suffix

if (( $#exp == 1 )); then
  if [[ -d ${exp[1]} && "$exp[1]" != */ ]]; then
    suf=/
  elif [[ "$asp" = yes* ||
          ( "$asp" = *file && -f "${exp[1]}" ) ]]; then
    suf=' '
  else
    suf=
  fi
fi

if [[ -z "$compstate[insert]" ]] ;then
  if [[ "$sort" = menu ]]; then
    _description expansions expl expansions "o:$word"
  else
    _description -V expansions expl expansions "o:$word"
  fi

  compadd "$expl[@]" -UQ -qS "$suf" -a exp
else
  _tags all-expansions expansions original

  if [[ $#exp -gt 1 ]] && _requested expansions; then
    local i j normal space dir

    if [[ "$sort" = menu ]]; then
      _description expansions expl expansions "o:$word"
    else
      _description -V expansions expl expansions "o:$word"
    fi
    normal=()
    space=()
    dir=()

    for i in "$exp[@]"; do
      j="${i}"
      if [[ -d "$j" && "$i" != */ ]]; then
        dir=( "$dir[@]" "$i" )
      elif [[ "$asp" = yes* || ( "$asp" = *file && -f "$j" ) ]]; then
        space=( "$space[@]" "$i" )
      else
	normal=( "$normal[@]" "$i" )
      fi
    done
    (( $#dir ))    && compadd "$expl[@]" -UQ -qS/ -a dir
    (( $#space ))  && compadd "$expl[@]" -UQ -qS " " -a space
    (( $#normal )) && compadd "$expl[@]" -UQ -qS "" -a normal
  fi
  if _requested all-expansions expl 'all expansions'; then
    local disp dstr

    if [[ "${#${exp}}" -ge COLUMNS ]]; then
      disp=( -ld dstr )
      dstr=( "${(r:COLUMNS-5:)exp} ..." )
    else
      disp=()
    fi
    [[ -o multios ]] && exp=($exp[1] $compstate[redirect]${^exp[2,-1]})
    compadd "$disp[@]" "$expl[@]" -UQ -qS "$suf" - "$exp"
  fi

  _requested original expl original && compadd "$expl[@]" -UQ - "$word"

  compstate[insert]=menu
fi

return 0
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