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#compdef -K _history-complete-older complete-word \e/ _history-complete-newer complete-word \e,
#
# Complete words from the history
#
# by Adam Spiers, with help gratefully received from
# Sven Wischnowsky and Bart Schaefer
#
# Available styles:
#
# list -- avoid to display lists of available matches
# stop -- stop before looping at beginning and end of matches
# sort -- sort matches lexically (default is to sort by age)
# remove-all-dups --
# remove /all/ duplicate matches rather than just consecutives
# range -- range of history words to complete
_history_complete_word () {
eval "$_comp_setup"
local expl direction stop curcontext="$curcontext"
if [[ -z "$curcontext" ]]; then
curcontext=history-words:::
else
curcontext="history-words${curcontext#*:}"
fi
if [[ $WIDGET = *newer ]]; then
direction=newer
else
direction=older
fi
zstyle -t ":completion:${curcontext}:history-words" stop && stop=yes
zstyle -T ":completion:${curcontext}:history-words" list || compstate[list]=''
if [[ $LASTWIDGET = _history-complete-* &&
( -n "$compstate[old_list]" || -n $_hist_stop ) ]]; then
if [[ "$direction" == older ]]; then
if [[ $_hist_stop = new ]]; then
PREFIX=$_hist_old_prefix
_history_complete_word_gen_matches
compstate[insert]=2
_hist_stop=
elif [[ $_hist_stop = old ]]; then
PREFIX=$_hist_old_prefix
_history_complete_word_gen_matches
compstate[insert]=1
_hist_stop=
elif [[ compstate[old_insert] -lt _hist_menu_length ]]; then
compstate[old_list]=keep
(( compstate[insert] = compstate[old_insert] + 1 ))
elif [[ -n $stop ]]; then
_hist_stop=old
_message 'beginning of history reached'
return 1
else
compstate[old_list]=keep
compstate[insert]=1
fi
elif [[ "$direction" == 'newer' ]]; then
if [[ $_hist_stop = old ]]; then
PREFIX=$_hist_old_prefix
_history_complete_word_gen_matches
compstate[insert]=$(( $compstate[nmatches] - 1 ))
_hist_stop=
elif [[ $_hist_stop = new ]]; then
PREFIX=$_hist_old_prefix
_history_complete_word_gen_matches
compstate[insert]=$compstate[nmatches]
_hist_stop=
elif [[ compstate[old_insert] -gt 1 ]]; then
compstate[old_list]=keep
(( compstate[insert] = compstate[old_insert] - 1 ))
elif [[ -n $stop ]]; then
_hist_stop=new
_message 'end of history reached'
return 1
else
compstate[old_list]=keep
compstate[insert]=$_hist_menu_length
fi
fi
return 0
else
_hist_stop=
_hist_old_prefix="$PREFIX"
_history_complete_word_gen_matches
fi
(( $compstate[nmatches] ))
}
_history_complete_word_gen_matches () {
[[ -n "$_hist_stop" ]] && PREFIX="$_hist_old_prefix"
_main_complete _history
zstyle -T ":completion:${curcontext}:history-words" list || compstate[list]=
_hist_menu_length="$compstate[nmatches]"
if [[ $_lastcomp[insert] != *unambig* ]]; then
case "$direction" in
newer) compstate[insert]=$_hist_menu_length
[[ -n "$_hist_stop" ]] && (( compstate[insert]-- ))
;;
older) compstate[insert]=1
[[ -n "$_hist_stop" ]] && (( compstate[insert]++ ))
;;
esac
fi
_hist_stop=
return
}
_history_complete_word "$@"
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