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#autoload
# This completer function is intended to be used as the first completer
# function and allows one to say more explicitly when and how the word
# from the line should be expanded than expand-or-complete.
# 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 nullglob nonomatch
[[ _matcher_num -gt 1 ]] && return 1
local exp word sort expr expl subd suf=" " force opt asp tmp opre pre epre
(( $# )) &&
while getopts gsco opt; do
force="$force$opt"
done
# First, see if we should insert all *completions*.
if [[ "$force" = *c* ]] ||
zstyle -t ":completion:${curcontext}:" completions; then
compstate[insert]=all
[[ "$curcontext" = expand-word:* ]] && _complete && return 0
return 1
fi
if [[ "$funcstack[2]" = _prefix ]]; then
word="$IPREFIX$PREFIX$SUFFIX"
else
word="$IPREFIX$PREFIX$SUFFIX$ISUFFIX"
fi
[[ "$word" = *\$(|\{[^\}]#) ||
( "$word" = *\$[a-zA-Z0-9_]## && $+parameters[${word##*\$}] -eq 0 ) ]] &&
return 1
zstyle -T ":completion:${curcontext}:" suffix &&
[[ "$word" = (\~*/|\$(|[=~#^+])[a-zA-Z0-9_\[\]]##[^a-zA-Z0-9_\[\]]|\$\{*\}?)[^\$\{\}\(\)\<\>?^*#~]# ]] &&
return 1
zstyle -t ":completion:${curcontext}:" accept-exact ||
[[ $? -eq 2 && ! -o recexact ]] ||
{ [[ "$word" = \~(|[-+]) ||
( "$word" = \~[-+][1-9]## && $word[3,-1] -le $#dirstack ) ||
( "$word" = \~* && ${#userdirs[(I)${word[2,-1]}*]}+${#nameddirs[(I)${word[2,-1]}*]} -ne 1 ) ||
( "$word" = *\$[a-zA-Z0-9_]## &&
${#parameters[(I)${word##*\$}*]} -ne 1 ) ]] && return 1 }
# In exp we will collect the expansions.
exp=("$word")
# First try substitution. That weird thing spanning multiple lines
# changes quoted spaces, tabs, and newlines into spaces and protects
# this function from aborting on parse errors in the expansion.
if [[ "$force" = *s* ]] ||
zstyle -T ":completion:${curcontext}:" substitute; then
[[ ! -o ignorebraces && "${#${exp}//[^\{]}" = "${#${exp}//[^\}]}" ]] &&
eval exp\=\( ${${(q)exp}:gs/\\{/\{/:gs/\\}/\}/} \)
eval 'exp=( ${${(e)exp//\\[
]/ }//(#b)([
])/\\$match[1]} )' 2>/dev/null
else
exp=( ${exp:s/\\\$/\$} )
fi
# If the array is empty, store the original string again.
[[ -z "$exp" ]] && exp=("$word")
subd=("$exp[@]")
# Now try globbing.
[[ "$force" = *g* ]] || zstyle -T ":completion:${curcontext}:" glob &&
eval 'exp=( ${~exp} )' 2>/dev/null
# If we don't have any expansions or only one and that is the same
# as the original string, we let other completers run.
(( $#exp )) || exp=("$subd[@]")
[[ $#exp -eq 1 && "$exp[1]" = "$word"(|\(N\)) ]] && return 1
# With subst-globs-only we bail out if there were no glob expansions,
# regardless of any substitutions
{ [[ "$force" = *o* ]] ||
zstyle -t ":completion:${curcontext}:" subst-globs-only } &&
[[ "$subd" = "$exp"(|\(N\)) ]] && return 1
zstyle -s ":completion:${curcontext}:" keep-prefix tmp || tmp=changed
if [[ "$word" = [\~\$]*/* && "$tmp" = (yes|true|on|1|changed) ]]; then
eval 'epre=( ${(e)~${word%%/*}} )' 2>/dev/null
if [[ -n "$epre" && $#epre -eq 1 ]]; then
opre="${word%%/*}"
pre="$epre[1]"
[[ "$tmp" != changed || $#exp -gt 1 ||
"${opre}${exp[1]#${pre}}" != "$word" ]] && exp=( ${opre}${^exp#${pre}} )
fi
[[ $#exp -eq 1 && "$exp[1]" = "$word" ]] && return 1
fi
# Now add as matches whatever the user requested.
zstyle -s ":completion:${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 ${exp[1]/${opre}/${pre}} && "$exp[1]" != */ ]]; then
suf=/
elif [[ "$asp" = yes* ||
( "$asp" = *file && -f "${exp[1]/${opre}/${pre}}" ) ]]; then
suf=' '
else
suf=
fi
fi
if [[ -z "$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 "$suf" -a exp
else
_tags all-expansions expansions original
if _requested all-expansions expl 'all expansions'; then
local disp dstr
if [[ "${#${exp}}" -ge COLUMNS ]]; then
disp=( -ld dstr )
dstr=( "${(r:COLUMNS-5:)exp} ..." )
else
disp=()
fi
compadd "$disp[@]" "$expl[@]" -UQ -qS "$suf" - "$exp"
fi
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/${opre}/${pre}}"
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
_requested original expl original && compadd "$expl[@]" -UQ - "$word"
compstate[insert]=menu
fi
return 0
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