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#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 REPLY
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
REPLY=
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 [[ "$sort" = menu ]]; then
_description expansions expl "expansions${REPLY:+: $REPLY}" "o:$word"
else
_description -V expansions expl "expansions${REPLY:+: $REPLY}" "o:$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${REPLY:+: $REPLY}" "o:$word"
else
_description -V expansions expl "expansions${REPLY:+: $REPLY}" "o:$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${REPLY:+: $REPLY}"; then
local disp dstr
if [[ "${#${exp}}" -ge COLUMNS ]]; then
disp=( -ld dstr )
dstr=( "${(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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