# File lib/puppet/external/pson/pure/generator.rb, line 165
165:         def configure(opts)
166:           @indent         = opts[:indent] if opts.key?(:indent)
167:           @space          = opts[:space] if opts.key?(:space)
168:           @space_before   = opts[:space_before] if opts.key?(:space_before)
169:           @object_nl      = opts[:object_nl] if opts.key?(:object_nl)
170:           @array_nl       = opts[:array_nl] if opts.key?(:array_nl)
171:           @check_circular = !!opts[:check_circular] if opts.key?(:check_circular)
172:           @allow_nan      = !!opts[:allow_nan] if opts.key?(:allow_nan)
173:           if !opts.key?(:max_nesting) # defaults to 19
174:             @max_nesting = 19
175:           elsif opts[:max_nesting]
176:             @max_nesting = opts[:max_nesting]
177:           else
178:             @max_nesting = 0
179:           end
180:           self
181:         end