# SEE: `append_json`
fun to_json: String is abstract
+ # Use `append_json` to implement `to_json`.
+ #
+ # Therefore, one that redefine `append_json` may use the following
+ # redefinition to link `to_json` and `append_json`:
+ #
+ # ~~~nitish
+ # redef fun to_json do return to_json_by_append
+ # ~~~
+ #
+ # Note: This is not the default implementation of `to_json` in order to
+ # avoid cyclic references between `append_json` and `to_json` when none are
+ # implemented.
+ protected fun to_json_by_append: String do
+ var buffer = new RopeBuffer
+ append_json(buffer)
+ return buffer.write_to_string
+ end
+
# Append the JSON representation of `self` to the specified buffer.
#
# SEE: `to_json`
- fun append_json(buffer: Buffer) do
- buffer.append(to_json)
- end
+ fun append_json(buffer: Buffer) do buffer.append(to_json)
end
redef class Text
#
# assert "\t\"http://example.com\"\r\n\0\\".to_json ==
# "\"\\t\\\"http:\\/\\/example.com\\\"\\r\\n\\u0000\\\\\""
- redef fun to_json do
- var buffer = new FlatBuffer
- append_json(buffer)
- return buffer.write_to_string
- end
+ redef fun to_json do return to_json_by_append
# Parse `self` as JSON.
#
# obj = new JsonObject
# obj["baz"] = null
# assert obj.to_json == "\{\"baz\":null\}"
- redef fun to_json do
- var buffer = new FlatBuffer
- append_json(buffer)
- return buffer.write_to_string
- end
+ redef fun to_json do return to_json_by_append
private fun append_json_entry(iterator: MapIterator[String, nullable Jsonable],
buffer: Buffer) do
# assert arr.to_json =="[\"foo\"]"
# arr.pop
# assert arr.to_json =="[]"
- redef fun to_json do
- var buffer = new FlatBuffer
- append_json(buffer)
- return buffer.write_to_string
- end
+ redef fun to_json do return to_json_by_append
private fun append_json_entry(iterator: Iterator[nullable Jsonable],
buffer: Buffer) do
# Redef parser
redef class Nvalue
- fun to_nit_object: nullable Jsonable is abstract
+ # The represented value.
+ private fun to_nit_object: nullable Jsonable is abstract
end
redef class Nvalue_number
end
redef class Nstring
- fun to_nit_string: String do
+ # The represented string.
+ private fun to_nit_string: String do
var res = new FlatBuffer
var i = 1
while i < text.length - 1 do
end
redef class Nmembers
- fun pairs: Array[Npair] is abstract
+ # All the key-value pairs.
+ private fun pairs: Array[Npair] is abstract
end
redef class Nmembers_tail
end
redef class Npair
- fun name: String do return n_string.to_nit_string
- fun value: nullable Jsonable do return n_value.to_nit_object
+ # The represented key.
+ private fun name: String do return n_string.to_nit_string
+
+ # The represented value.
+ private fun value: nullable Jsonable do return n_value.to_nit_object
end
redef class Nvalue_array
end
redef class Nelements
- fun items: Array[Nvalue] is abstract
+ # All the items.
+ private fun items: Array[Nvalue] is abstract
end
redef class Nelements_tail