#

# set +o errexit -o noglob is assumed.

#

: ${DEFAULT_LOG_MSG_FAIL_COLOUR:=91};

: ${DEFAULT_LOG_MSG_INFO_COLOUR:=93};

: ${DEFAULT_LOG_MSG_INF2_COLOUR:=33};

: ${DEFAULT_LOG_MSG_SUCC_COLOUR:=92};

: ${DEFAULT_LOG_MSG_SUC2_COLOUR:=32};

: ${DEFAULT_LOG_MSG_VNFO_COLOUR:=96};

: ${DEFAULT_LOG_MSG_VUCC_COLOUR:=90};

: ${DEFAULT_LOG_MSG_VVFO_COLOUR:=96};

: ${DEFAULT_LOG_MSG_VVVO_COLOUR:=96};

: ${DEFAULT_LOG_MSG_VVVV_COLOUR:=96};

exp_rtl_log_printf() {

	local _attrs="${1}" _msg=""; shift; _msg="$(printf "${@}")";

	if [ "${BUILD_IS_PARENT:-0}" -eq 1 ]\

	&& [ -n "${DEFAULT_BUILD_LOG_FNAME}" ]\

	&& [ -e "${DEFAULT_BUILD_LOG_FNAME}" ]; then

		printf "%s\n" "${_msg}" >> "${DEFAULT_BUILD_LOG_FNAME}";

	fi;

	printf "\033[0m\033[${_attr}m%s\033[0m\n" "${_msg}";

};

ex_rtl_log_env_vars() {

	local _nvar=1 _arg="" _arg_len_max=0;

	ex_rtl_log_msg info "Variables for this ${1:-build}:"; shift;

	while [ ${_nvar} -le ${#} ]; do

		_arg="$(eval echo \${${_nvar}})";

		_arg="${_arg%%=*}";

		if [ ${#_arg} -gt ${_arg_len_max} ]; then

			_arg_len_max=${#_arg};

		fi; : $((_nvar+=1));

	done;

	while [ ${#} -gt 0 ]; do

		ex_rtl_log_msg info "$(printf			\

			"%${_arg_len_max}.${_arg_len_max}s=%s"	\

			"${1%%=*}" "$(ex_rtl_get_var_unsafe ${1#*=})")";

		shift;

	done;

};

ex_rtl_log_set_vnfo_lvl() {

	EXP_RTL_LOG_VNFO_LVL="${1}";

};

ex_rtl_log_msg() {

	local _lvl="${1}" _lvl_uc="" _attr=""; shift;

	if [ "${_lvl}" = vnfo ]\

	|| [ "${_lvl}" = vucc ]\

	&& [ "${EXP_RTL_LOG_VNFO_LVL:-0}" -lt 1 ]; then

		return;

	elif [ "${_lvl}" = vvfo ]\

	&& [ "${EXP_RTL_LOG_VNFO_LVL:-0}" -lt 2 ]; then

		return;

	elif [ "${_lvl}" = vvvo ]\

	&& [ "${EXP_RTL_LOG_VNFO_LVL:-0}" -lt 3 ]; then

		return;

	elif [ "${_lvl}" = vvvv ]\

	&& [ "${EXP_RTL_LOG_VNFO_LVL:-0}" -lt 4 ]; then

		return;

	fi;

	_lvl_uc="$(ex_rtl_toupper "${_lvl%exit}")";

	_attr="$(ex_rtl_get_var_unsafe "DEFAULT_LOG_MSG_${_lvl_uc}_COLOUR")";

	if [ ${#} -gt 1 ]; then

		exp_rtl_log_printf "${_attrs}" "==> %s %s %s" "$(ex_rtl_date)" "${1}" "$*";

	else

		exp_rtl_log_printf "${_attrs}" "==> %s %s" "$(ex_rtl_date)" "${1}";

	fi;

	if [ ${_lvl} = failexit ]; then

		exit 1;

	else

		return 0;

	fi;

};

# vim:filetype=sh