.. index:: single: http_json_term_helpers
.. _http_json_term_helpers/0:

.. rst-class:: right

**category**

``http_json_term_helpers``
==========================

Internal shared helpers for the repository-standard JSON term representation used by the HTTP, OpenAPI, and HTTP router libraries.

| **Availability:** 
|    ``logtalk_load(http_core(loader))``

| **Author:** Paulo Moura
| **Version:** 1:0:0
| **Date:** 2026-05-23

| **Compilation flags:**
|    ``static``


| **Dependencies:**
|   (none)


| **Remarks:**
|    (none)

| **Inherited public predicates:**
|    (none)

.. contents::
   :local:
   :backlinks: top

Public predicates
-----------------

(none)

Protected predicates
--------------------

.. index:: json_object_pairs/2
.. _http_json_term_helpers/0::json_object_pairs/2:

``json_object_pairs/2``
^^^^^^^^^^^^^^^^^^^^^^^

Converts between supported JSON object term representations and a flat list of key-value pairs.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``json_object_pairs(Object,Pairs)``
| **Mode and number of proofs:**
|    ``json_object_pairs(+term,-list(compound))`` - ``zero_or_one``
|    ``json_object_pairs(-term,+list(compound))`` - ``one``


------------

.. index:: pairs_to_object/2
.. _http_json_term_helpers/0::pairs_to_object/2:

``pairs_to_object/2``
^^^^^^^^^^^^^^^^^^^^^

Converts a list of JSON object key-value pairs into the repository-standard object representation.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``pairs_to_object(Pairs,Object)``
| **Mode and number of proofs:**
|    ``pairs_to_object(+list(compound),-term)`` - ``one``


------------

.. index:: curly_pairs_to_list/2
.. _http_json_term_helpers/0::curly_pairs_to_list/2:

``curly_pairs_to_list/2``
^^^^^^^^^^^^^^^^^^^^^^^^^

Converts a nested curly-pair term into a plain list of pairs.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``curly_pairs_to_list(CurlyPairs,Pairs)``
| **Mode and number of proofs:**
|    ``curly_pairs_to_list(+compound,-list(compound))`` - ``one``


------------

.. index:: list_to_curly_pairs/2
.. _http_json_term_helpers/0::list_to_curly_pairs/2:

``list_to_curly_pairs/2``
^^^^^^^^^^^^^^^^^^^^^^^^^

Converts a plain list of pairs into the nested curly-pair representation.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``list_to_curly_pairs(Pairs,CurlyPairs)``
| **Mode and number of proofs:**
|    ``list_to_curly_pairs(+list(compound),-compound)`` - ``one``


------------

.. index:: pair_key_value/3
.. _http_json_term_helpers/0::pair_key_value/3:

``pair_key_value/3``
^^^^^^^^^^^^^^^^^^^^

Normalizes supported key-value pair syntaxes into explicit key and value terms.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``pair_key_value(Pair,Key,Value)``
| **Mode and number of proofs:**
|    ``pair_key_value(+compound,-term,-term)`` - ``one``


------------

.. index:: normalize_json_value/2
.. _http_json_term_helpers/0::normalize_json_value/2:

``normalize_json_value/2``
^^^^^^^^^^^^^^^^^^^^^^^^^^

Normalizes arbitrary JSON-like values into the repository-standard JSON representation, including booleans and null.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``normalize_json_value(Value,JsonValue)``
| **Mode and number of proofs:**
|    ``normalize_json_value(+term,-term)`` - ``one``


------------

.. index:: normalize_json_pairs/2
.. _http_json_term_helpers/0::normalize_json_pairs/2:

``normalize_json_pairs/2``
^^^^^^^^^^^^^^^^^^^^^^^^^^

Normalizes the values of a JSON object pair list into the repository-standard JSON representation.

| **Compilation flags:**
|    ``static``

| **Template:**
|    ``normalize_json_pairs(Pairs,JsonPairs)``
| **Mode and number of proofs:**
|    ``normalize_json_pairs(+list(compound),-list(compound))`` - ``one``


------------

Private predicates
------------------

(none)

Operators
---------

(none)