### vim:ft=zsh:foldmethod=marker
## run hooks
## Copyright: 2009, Frank Terbeck <ft@bewatermyfriend.org>

LOOKUP_guard || return 1
local hook obackend old_lookup_ei ret lookup_context
local -a hooks

lookup_context="$(LOOKUP_context)"

obackend="${backend}"
if [[ $1 != '--' ]] ; then
    backend="$1"
fi
shift

zstyle -t "${lookup_context}" debug &&
    printf 'LOOKUP_hook: current context: "%s"\n' "${lookup_context}"

zstyle -a "${lookup_context}" hooks hooks || return 0

old_lookup_ei=${lookup_ei}
lookup_ei='-hook-'
for hook in ${hooks} ; do
    (( ${+functions[$hook]} == 0 )) && continue
    ${hook} "$@"
    case $? in
        (1)
            break
            ;;
        (0|*)
            ;;
    esac
done
lookup_ei="${old_lookup_ei}"
backend="${obackend}"
return 0