# File lib/ruote/svc/dollar_sub.rb, line 92 def literal_sub(s, fexp, wi) case s when /^\$(?:variable|var|v):([^{}\s\$]+)$/ fexp.lookup_variable($~[1]) when /^\$([^{}:\s\$]+)$/, /^\$(?:field|fld|f):([^{}\s\$]+)$/ Ruote.lookup(wi['fields'], $~[1]) else s end end