Module:Citation/CS1/Utilities: Difference between revisions

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 end
-return {is_set=is_set, in_array=in_array, substitute=substitute, error_comment=error_comment, z=z}			-- return exported functions and tables
+--[[--------------------------< S E T _ E R R O R >--------------------------------------------------------------
+Sets an error condition and returns the appropriate error message.  The actual placement of the error message in the output is
+the responsibility of the calling function.
+]]
+local function set_error( error_id, arguments, raw, prefix, suffix )
+	local error_state = cfg.error_conditions[ error_id ];
+	prefix = prefix or "";
+	suffix = suffix or "";
+	if error_state == nil then
+		error( cfg.messages['undefined_error'] );
+	elseif is_set( error_state.category ) then
+		table.insert( z.error_categories, error_state.category );
+	end
+	local message = substitute( error_state.message, arguments );
+	message = message .. " ([[" .. cfg.messages['help page link'] ..
+		"#" .. error_state.anchor .. "|" ..
+		cfg.messages['help page label'] .. "]])";
+	z.error_ids[ error_id ] = true;
+	if in_array( error_id, { 'bare_url_missing_title', 'trans_missing_title' } )
+			and z.error_ids['citation_missing_title'] then
+		return '', false;
+	end
+	message = table.concat({ prefix, message, suffix });
+	if raw == true then
+		return message, error_state.hidden;
+	end
+	return error_comment( message, error_state.hidden );
+end
+return {																		-- return exported functions and tables
+	is_set = is_set,
+	in_array = in_array,
+	substitute = substitute,
+	error_comment = error_comment,
+	set_error = set_error,
+	z = z,
+	}