godot-docs/classes/class_json.rst

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.. _class_JSON:

JSON
====

**Inherits:** :ref:`Object<class_Object>`

Helper class for parsing JSON data.

.. rst-class:: classref-introduction-group

Description
-----------

Helper class for parsing JSON data. For usage example and other important hints, see :ref:`JSONParseResult<class_JSONParseResult>`.

.. rst-class:: classref-reftable-group

Methods
-------

.. table::
   :widths: auto

   +-----------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`JSONParseResult<class_JSONParseResult>` | :ref:`parse<class_JSON_method_parse>` **(** :ref:`String<class_String>` json **)**                                                                                    |
   +-----------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
   | :ref:`String<class_String>`                   | :ref:`print<class_JSON_method_print>` **(** :ref:`Variant<class_Variant>` value, :ref:`String<class_String>` indent="", :ref:`bool<class_bool>` sort_keys=false **)** |
   +-----------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------+

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Method Descriptions
-------------------

.. _class_JSON_method_parse:

.. rst-class:: classref-method

:ref:`JSONParseResult<class_JSONParseResult>` **parse** **(** :ref:`String<class_String>` json **)**

Parses a JSON-encoded string and returns a :ref:`JSONParseResult<class_JSONParseResult>` containing the result.

.. rst-class:: classref-item-separator

----

.. _class_JSON_method_print:

.. rst-class:: classref-method

:ref:`String<class_String>` **print** **(** :ref:`Variant<class_Variant>` value, :ref:`String<class_String>` indent="", :ref:`bool<class_bool>` sort_keys=false **)**

Converts a :ref:`Variant<class_Variant>` var to JSON text and returns the result. Useful for serializing data to store or send over the network.

\ **Note:** The JSON specification does not define integer or float types, but only a *number* type. Therefore, converting a Variant to JSON text will convert all numerical values to :ref:`float<class_float>` types.

The ``indent`` parameter controls if and how something is indented, the string used for this parameter will be used where there should be an indent in the output, even spaces like ``"   "`` will work. ``\t`` and ``\n`` can also be used for a tab indent, or to make a newline for each indent respectively.

\ **Example output:**\ 

::

    ## JSON.print(my_dictionary)
    {"name":"my_dictionary","version":"1.0.0","entities":[{"name":"entity_0","value":"value_0"},{"name":"entity_1","value":"value_1"}]}
    
    ## JSON.print(my_dictionary, "\t")
    {
        "name": "my_dictionary",
        "version": "1.0.0",
        "entities": [
            {
                "name": "entity_0",
                "value": "value_0"
            },
            {
                "name": "entity_1",
                "value": "value_1"
            }
        ]
    }
    
    ## JSON.print(my_dictionary, "...")
    {
    ..."name": "my_dictionary",
    ..."version": "1.0.0",
    ..."entities": [
    ......{
    ........."name": "entity_0",
    ........."value": "value_0"
    ......},
    ......{
    ........."name": "entity_1",
    ........."value": "value_1"
    ......}
    ...]
    }

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`