zsh-autosuggestions/completion-server-init.zsh
2015-05-18 14:51:21 +02:00

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# Based on:
# https://github.com/Valodim/zsh-capture-completion/blob/master/.zshrc
ZLE_DISABLE_AUTOSUGGEST=1
# no prompt!
PROMPT=
# load completion system
autoload compinit
compinit
# never run a command
bindkey '\C-m' .kill-buffer
bindkey '\C-j' .kill-buffer
bindkey '\C-i' complete-word
# send an emtpy line before completions are output
empty-line() {
print
# handler needs to reinsert itself after being called
compprefuncs+=empty-line
}
compprefuncs+=empty-line
# send a line with null-byte after completions are output
null-line() {
print $'\0'
# handler needs to reinsert itself after being called
comppostfuncs+=null-line
}
comppostfuncs+=null-line
zstyle ':completion:*' completer _complete
# never group stuff!
zstyle ':completion:*' list-grouped false
# don't insert tab when attempting completion on empty line
zstyle ':completion:*' insert-tab false
# no list separator, this saves some stripping later on
zstyle ':completion:*' list-separator ''
# dont use matchers
zstyle -d ':completion:*' matcher-list
# dont format
zstyle -d ':completion:*' format
# no color formatting
zstyle -d ':completion:*' list-colors
# we use zparseopts
zmodload zsh/zutil
# override compadd (this our hook)
compadd() {
# check if any of -O, -A or -D are given
if [[ ${@[1,(i)(-|--)]} == *-(O|A|D)\ * ]]; then
# if that is the case, just delegate and leave
builtin compadd "$@"
return $?
fi
# be careful with namespacing here, we don't want to mess with stuff that
# should be passed to compadd!
typeset -a __hits __dscr __tmp
# do we have a description parameter?
# note we don't use zparseopts here because of combined option parameters
# with arguments like -default- confuse it.
if (( $@[(I)-d] )); then # kind of a hack, $+@[(r)-d] doesn't work because of line noise overload
# next param after -d
__tmp=${@[$[${@[(i)-d]}+1]]}
# description can be given as an array parameter name, or inline () array
if [[ $__tmp == \(* ]]; then
eval "__dscr=$__tmp"
else
__dscr=( "${(@P)__tmp}" )
fi
fi
# capture completions by injecting -A parameter into the compadd call.
# this takes care of matching for us.
builtin compadd -A __hits -D __dscr "$@"
# JESUS CHRIST IT TOOK ME FOREVER TO FIGURE OUT THIS OPTION WAS SET AND WAS MESSING WITH MY SHIT HERE
setopt localoptions norcexpandparam extendedglob
# extract prefixes and suffixes from compadd call. we can't do zsh's cool
# -r remove-func magic, but it's better than nothing.
typeset -A apre hpre hsuf asuf
zparseopts -E P:=apre p:=hpre S:=asuf s:=hsuf
# append / to directories? we are only emulating -f in a half-assed way
# here, but it's better than nothing.
integer dirsuf=0
# don't be fooled by -default- >.>
if [[ -z $hsuf && "${${@//-default-/}% -# *}" == *-[[:alnum:]]#f* ]]; then
dirsuf=1
fi
# just drop
[[ -n $__hits ]] || return
# this is the point where we have all matches in $__hits and all
# descriptions in $__dscr!
# display all matches
local dsuf dscr
for i in {1..$#__hits}; do
# add a dir suffix?
(( dirsuf )) && [[ -d $__hits[$i] ]] && dsuf=/ || dsuf=
# description to be displayed afterwards
# (( $#__dscr >= $i )) && dscr=" -- ${${__dscr[$i]}##$__hits[$i] #}" || dscr=
print - $'\1'$IPREFIX$apre$hpre$__hits[$i]$dsuf$hsuf$asuf$dscr
done
unset __hits __dscr __tmp
}
# signal the daemon we are ready for input
print $'\0'