Class: SwiftGenerator::SwiftPersistentProperty

Inherits:
SwiftProperty show all
Defined in:
lib/swift_generator/code_generation/swift_class_generation.rb

Instance Attribute Summary collapse

Attributes inherited from SwiftProperty

#collection_type, #getter_body, #initialization_value, #is_persistent, #mutability_type, #property_name, #property_qualifiers, #property_type, #property_type_symbol, #required, #rest_omit, #setter_body, #swift_class

Instance Method Summary collapse

Methods inherited from SwiftProperty

#declaration_lines, #full_type_specifier, #is_array_of_nsobject, #is_optional, #make_test_value, #property_declared_type, #resolve_type

Constructor Details

#initialize(swift_class, property_name, property_type, mutability = :let, initialization_value = nil, collection_type: nil, json_key: nil, rest_omit: nil) ⇒ SwiftPersistentProperty

Returns a new instance of SwiftPersistentProperty.



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 985

def initialize(swift_class, property_name, property_type, mutability=:let, initialization_value=nil, collection_type: nil, json_key: nil, rest_omit:nil  )
	super(swift_class, property_name, property_type, mutability, initialization_value:initialization_value, collection_type: collection_type, rest_omit:rest_omit)
	@is_persistent = true
	@json_key = json_key.nil? ? property_name : json_key
end

Instance Attribute Details

#json_key ⇒ Object

Returns the value of attribute json_key.



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 983

def json_key
  @json_key
end

Instance Method Details

#all_collection_types ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1282

def all_collection_types
	[
		:array,
		:dictionaryByString
	]
end

#marshal_array(marshal_method) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1053

def marshal_array(marshal_method)
	return if self.rest_omit == :omit
	omit_null = self.rest_omit == :omit_if_null

	case @property_type.swift_kind
		when :primitive
			if( @mutability_type.mutability_id != :optional )
				marshal_method << "ERROR Non-optional properties not yet supported"
			end

			marshal_template(marshal_method, omit_null) { |m, unwrapped_var, destination|
				m << "var newArray = NSMutableArray()"
				m << "for element in #{unwrapped_var} {"
				m.ii 	"newArray.addObject( element as #{@property_type.serialized_json_type.to_s} )"
				m << "}"
				m << "#{destination} = newArray"
			}

		when :class
			if( @mutability_type.mutability_id != :optional )
				marshal_method << "ERROR Non-optional properties not yet supported"
			end

			marshal_template(marshal_method, omit_null) { |m, unwrapped_var, destination|
				m.ii "#{destination}  = #{@property_type.swift_type_name}.arrayToJSON(#{unwrapped_var})"
			}

		when :struct
			return 'Arrays of structs not yet supported'

		when :enum
			if( @mutability_type.mutability_id != :optional )
				marshal_method << "ERROR Non-optional properties not yet supported"
			end

			marshal_template(marshal_method, omit_null) { |m, unwrapped_var, destination|
				m << "var newArray = NSMutableArray()"
				m << "for element in #{unwrapped_var} {"
				m.ii 	"newArray.addObject( #{@property_type.enum.marshal_expression( "element" )} )"
				m << "}"
				m << "#{destination} = newArray"
			}

		else
			puts "ERROR: Unknown swift_kind: #{@property_type.swift_kind.to_s}"
	end
end

#marshal_code(marshal_method) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 991

def marshal_code(marshal_method)
	if @collection_type.nil?
		marshal_single_element(marshal_method)
	else
		case @collection_type

			when :array
				marshal_array(marshal_method)

			when :dictionaryByString

			else
				puts "ERROR: Unknown collection_type: #{@collection_type.to_s}"
		end
	end
end

#marshal_single_element(marshal_method) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1008

def marshal_single_element(marshal_method)
	return if self.rest_omit == :omit
	omit_null = self.rest_omit == :omit_if_null

		case @property_type.swift_kind
		when :primitive
			case @mutability_type.mutability_id
				when :optional
					marshal_template(marshal_method, omit_null){ |m, unwrapped_var, destination|
						m.<< "#{destination} = #{unwrapped_var}"
					}
				else
					marshal_method << "ERROR Non-optional properties not yet supported"
			end

		when :enum
			case @mutability_type.mutability_id
				when :optional
					marshal_template(marshal_method, omit_null){ |m, unwrapped_var, destination|
						# TODO: Make this look like the class property method below
						m << "#{destination} = #{@property_type.enum.marshal_expression( unwrapped_var)}"
					}
				else
					marshal_method << "ERROR Non-optional properties not yet supported"
			end

		when :class
			case @mutability_type.mutability_id
				when :optional
					marshal_template(marshal_method, omit_null){ |m, unwrapped_var, destination|
						@property_type.swift_class.insert_marshal_expression( m, unwrapped_var, destination)
					}
				else
					marshal_method << "ERROR Non-optional properties not yet supported"
			end

		when :struct
			return 'Structs not yet supported'

		else
			puts "ERROR: Unknown swift_kind: #{@property_type.swift_kind.to_s}"
	end
end

#marshal_template(marshal_method, omit_null, &detail) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1102

def marshal_template(marshal_method, omit_null, &detail)
	m = marshal_method
	unwrapped_var = @property_name + "Val"
	destination = "jsonObject[ \"#{@json_key}\" ]"
	m << ""
	m << "if let #{unwrapped_var} = #{@property_name} {"

	if self.property_type.custom_marshaling.nil?
		m.indent += 1
		detail.call( m, unwrapped_var, destination)
		m.indent -= 1
	else
		m.ii self.property_type.custom_marshaling.call( destination ,unwrapped_var)
	end
	m << "} else {"
	if( ! omit_null )
		m << "\t#{destination} = NSNull()"
	else
		m << "// Omit nil values"
	end

	m << "}"
end

#unmarshal_array(unmarshal_method) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1201

def unmarshal_array(unmarshal_method)
	m = unmarshal_method
	case @property_type.swift_kind
		when :primitive
			if( @mutability_type.mutability_id == :optional )
				unwrapped_var = @property_name + "Array"
				prop_type = @property_type.swift_type_name
				json_type = @property_type.serialized_json_type.to_s
				m << ""
				m << "if let #{unwrapped_var} = jsonObject[ \"#{@property_name}\" ] as? NSArray {"
				m._i 	"var newArray = [#{prop_type}]()"
				m << 	"for element in #{unwrapped_var} {"
				m._i 		"if let typedElement = element as? #{json_type} {"
				if @property_type.auto_bridged
					m.ii 		"newArray.append( typedElement )"
				else
					m._i 		"if let unmarshalledValue = typedElement as #{prop_type} {"
					m.ii 			"newArray.append( unmarshalledValue )"
					m << 		"} else {"
					m.ii			"println( \"Error in converting \\(typedElement) to #{prop_type}\")"
					m._o 		"}"
				end
				m <<		"} else {"
				m.ii			"println( \"Unexpected json value: \\(element) for #{prop_type}\")"
				m._o 		"}"
				m << 	"}"
				m._o 	"#{@property_name} = newArray"
				m << "} else {"
				m.ii 	"#{@property_name} = nil"
				m << "}"
			else
				m << "ERROR Non-optional properties not yet supported"
			end
		when :class
			if( @mutability_type.mutability_id == :optional )
				unwrapped_var = @property_name + "Array"
				prop_type = @property_type.swift_type_name
				m << ""
				m << "if let #{unwrapped_var} = jsonObject[ \"#{@property_name}\" ] as? NSArray {"
				m.ii 	"#{@property_name} = #{prop_type}.arrayFromJSON( #{unwrapped_var} ) as? [#{prop_type}]"
				m << "} else {"
				m.ii 	"#{@property_name} = nil"
				m << "}"
			else
				m << "ERROR Non-optional properties not yet supported"
			end

		when :struct
			m << 'ERROR Arrays of structs not yet supported'

		when :enum
			if( @mutability_type.mutability_id == :optional )
				unwrapped_var = @property_name + "Array"
				prop_type = @property_type.swift_type_name
				m << ""
				m << "if let #{unwrapped_var} = jsonObject[ \"#{@property_name}\" ] as? NSArray {"
				m._i 	"var newArray = [#{prop_type}]()"
				m << 	"for element in #{unwrapped_var} {"
				m._i 		"if let typedElement = element as? NSString {"
				m._i 			"if let enumValue = #{@property_type.enum.unmarshal_expression( "typedElement" )} {"
				m.ii 				"newArray.append( enumValue )"
				m << 			"} else {"
				m.ii				"println( \"Error in converting \\(typedElement) to #{prop_type}\")"
				m._o 			"}"
				m <<		"} else {"
				m.ii			"println( \"Unexpected json value: \\(element) for #{prop_type}\")"
				m._o 		"}"
				m << 	"}"
				m._o 	"#{@property_name} = newArray"
				m << "} else {"
				m.ii 	"#{@property_name} = nil"
				m << "}"
			else
				m << "ERROR Non-optional properties not yet supported"
			end
		else
			puts "ERROR: Unknown swift_kind: #{@property_type.swift_kind.to_s}"
	end
end

#unmarshal_code(unmarshal_method) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1127

def unmarshal_code(unmarshal_method)
	if @collection_type.nil?
		unmarshal_single_element(unmarshal_method)
	else
		case @collection_type
			when :array
				unmarshal_array(unmarshal_method)

			when :dictionaryByString

			else
				puts "ERROR: Unknown collection_type: #{@collection_type.to_s}"
		end
	end
end

#unmarshal_single_element(unmarshal_method) ⇒ Object 



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# File 'lib/swift_generator/code_generation/swift_class_generation.rb', line 1143

def unmarshal_single_element(unmarshal_method)
	m = unmarshal_method
	case @property_type.swift_kind
		when :primitive, :enum
			case @mutability_type.mutability_id
				when :optional
					unwrapped_var = @property_name + "Val"
					m << ""
					m << "if let #{unwrapped_var} = jsonObject[ \"#{@json_key}\" ] as? #{@property_type.serialized_json_type} {"

					if self.property_type.custom_unmarshaling.nil?
						m.ii "#{@property_name} = #{unwrapped_var} "
					else
						m.ii self.property_type.custom_unmarshaling.call( @property_name, unwrapped_var )
					end

					m << "} else {"
					m.ii 	"#{@property_name} = nil"
					m << "}"
				else
					m << "ERROR Non-optional properties not yet supported"
			end

			# if let aVal = jsonObject[ "a" ] as? Int {
			# 	a = aVal
			# } else {
			# 	a = nil
			# }

			# if @property_type.auto_bridged
			# 	return "#{@property_name} = jsonObject[ \"#{@json_key}\" ]"
			# else
			return "#{@property_name} = jsonObject[ \"#{@json_key}\" ] as #{property_declared_type}"
		# end

		when :class
			case @mutability_type.mutability_id
				when :optional
					unwrapped_var = @property_name + "Val"
					# TODO: check for success
					# m << "var success = false"
					m << "if let #{unwrapped_var} = jsonObject[ \"#{@json_key}\" ] as? #{@property_type.serialized_json_type} {"
					self.property_type.swift_class.insert_unmarshal_expression( m, unwrapped_var, @property_name )
					m << "} else {"
					m.ii 	"#{@property_name} = nil"
					m << "}"
				else
					m << "ERROR Non-optional properties not yet supported"
			end

		when :struct
			return 'Structs not yet supported'

		else
			puts "ERROR: Unknown swift_kind: #{@property_type.swift_kind.to_s}"
	end
end