module JSON::Pure::Generator::GeneratorMethods::Hash
Public Instance Methods
to_json(state = nil, *)
click to toggle source
Returns a JSON
string containing a JSON
object, that is unparsed from this Hash
instance. state is a JSON::State object, that can also be used to configure the produced JSON
string output further. depth is used to find out nesting depth, to indent accordingly.
# File lib/json/pure/generator.rb, line 406 def to_json(state = nil, *) state = State.from_state(state) state.check_max_nesting json_transform(state) end
Private Instance Methods
json_shift(state)
click to toggle source
# File lib/json/pure/generator.rb, line 414 def json_shift(state) state.object_nl.empty? or return '' state.indent * state.depth end
json_transform(state)
click to toggle source
# File lib/json/pure/generator.rb, line 419 def json_transform(state) delim = ",#{state.object_nl}" result = +"{#{state.object_nl}" depth = state.depth += 1 first = true indent = !state.object_nl.empty? each { |key, value| result << delim unless first result << state.indent * depth if indent key_str = key.to_s key_json = if key_str.is_a?(::String) key_str = key_str.to_json(state) else raise TypeError, "#{key.class}#to_s returns an instance of #{key_str.class}, expected a String" end result = +"#{result}#{key_json}#{state.space_before}:#{state.space}" if state.strict? && !(false == value || true == value || nil == value || String === value || Array === value || Hash === value || Integer === value || Float === value) raise GeneratorError, "#{value.class} not allowed in JSON" elsif value.respond_to?(:to_json) result << value.to_json(state) else result << %{"#{String(value)}"} end first = false } depth = state.depth -= 1 unless first result << state.object_nl result << state.indent * depth if indent end result << '}' result end