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path: root/subr/rtl_log.subr
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#
# 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};
: ${DEFAULT_LOG_MSG_WARN_COLOUR:=31};

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}";
};

rtl_log_env_vars() {
	local _nvar=1 _arg="" _arg_len_max=0;
	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 [ ${#} -gt 0 ]; do
		rtl_log_msg info "$(printf			\
			"%${_arg_len_max}.${_arg_len_max}s=%s"	\
			"${1%%=*}" "$(rtl_get_var_unsafe ${1#*=})")";
		shift;
	done;
};

rtl_log_set_vnfo_lvl() {
	EXP_RTL_LOG_VNFO_LVL="${1}";
};

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="$(rtl_toupper "${_lvl%exit}")";
	_attr="$(rtl_get_var_unsafe "DEFAULT_LOG_MSG_${_lvl_uc}_COLOUR")";
	if [ ${#} -gt 1 ]; then
		exp_rtl_log_printf "${_attrs}" "==> %s %s %s" "$(rtl_date)" "${1}" "$*";
	else
		exp_rtl_log_printf "${_attrs}" "==> %s %s" "$(rtl_date)" "${1}";
	fi;
	if [ ${_lvl} = failexit ]; then
		exit 1;
	else
		return 0;
	fi;
};

# vim:filetype=sh