Bash functions: introduce moulti_process_lines.

Author: xavierog

examples/moulti-functions.bash

@@ -70,3 +70,34 @@ function moulti_type {
 		# No sleep because this hack is already inefficient enough.
 	done
 }
+
+MOULTI_NEW_STEP_PATTERN='^([-=#@]+)(\s*)(.+?)\2\1$'
+
+function moulti_process_lines {
+	# Optional user hooks:
+	command -v moulti_make_step > /dev/null && custom_make_step=1
+	command -v moulti_inspect_line > /dev/null && inspect_line=1
+	# Main loop:
+	local step_counter=0
+	while read -r line; do
+		if [[ "${line}" =~ ${MOULTI_NEW_STEP_PATTERN} ]]; then
+			((++step_counter))
+			local prev_id="${step_id}"
+			local next_id="$$_${step_counter}"
+			if [ "${custom_make_step}" ]; then
+				step_id=$(moulti_make_step "${prev_id}" "${next_id}" "${line}" "${BASH_REMATCH[@]}" < /dev/null)
+				[ "${step_id}" ] || step_id="${prev_id}"
+			else
+				step_id="${next_id}"
+				moulti step add "${step_id}" --title="${line}" --bottom-text=' ' --scroll-on-activity=-1 < /dev/null
+			fi
+			# Redirect stdout to `moulti pass our_new_step`
+			exec > >(moulti pass "${step_id}")
+		fi
+		if [ "${inspect_line}" ]; then
+			moulti_inspect_line "${line}" "${step_id}" < /dev/null
+		else
+			printf '%s\n' "${line}"
+		fi
+	done
+}