Module:MOS intervals: Difference between revisions

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@@ Line 43: / Line 43: @@
 	end
 	return return_string
+end
+-- Helper function
+-- Extracts the prefix from the mos module, without the dash and without any text after that
+-- May need to revisit to clean up code since this splits text at the "-"
+function p.get_mos_prefix(scale_sig)
+	local unparsed = mos.tamnams_prefix[scale_sig]
+	local parsed = {}
+	for entry in string.gmatch(unparsed, '([^-]+)') do
+		local trimmed = entry:gsub("^%s*(.-)%s*$", "%1")
+		table.insert(parsed, trimmed)		-- Add to array
+	end
+	return parsed[1]
 end
@@ Line 65: / Line 80: @@
 	local scale_sig = mos.as_string(input_mos)
-	-- Is there a mos prefix?
+	-- Default param for mos prefix
+	-- If "NONE" is given, no prefix will be used
+	-- If left blank, try to find the appropriate mos prefix, or else defualt to "mos"
+	-- If not left blank, use the prefix passed in instead
 	local mos_prefix = "mos"
 	if frame.args['MOS Prefix'] == "NONE" then
 		mos_prefix = ""
-	elseif string.len(frame.args['MOS Prefix']) > 0 then
+	elseif string.len(frame.args['MOS Prefix']) == 0 then
-		mos_prefix = frame.args['MOS Prefix']
+		mos_prefix_lookup = get_mos_prefix(scale_sig)
+		if string.len(mos_prefix_lookup) ~= 0 then
+			mos_prefix = mos_prefix_lookup
+		end
+	else
+		mos_prefix = farme.args['MOS Prefix']
 	end