Classes

Every class in the plugin. For the folder layout these live in, see Developer Guide → Plugin Architecture.

Bootstrap & shared

`tpmeta`	Core plugin bootstrap — wires up the loader and i18n.
`tpmeta_loader`	Registers all actions/filters collected during boot.
`tpmeta_activator` / `tpmeta_deactivator`	Activation/deactivation routines.
`tpmeta_i18n`	Loads the plugin's text domain.
`TPMeta_Assets`	Enqueues shared CSS/JS handles used across metaboxes, options and builders.
`TPMeta_CSS_Target` / `TPMeta_Metabox_CSS_Output`	Prints auto-generated CSS from fields with an `output` rule.
`TPMeta_Metabox_Generic_Output`	Shared field-output rendering used by metaboxes.
`tpmeta_admin` / `TPMeta_Main_Menu` / `TPMeta_Help_Page`	The Pure Fields admin menu and in-plugin help/reference screen.

Metaboxes

tpmeta_meta_box Registers metaboxes from the tp_meta_boxes filter, renders and saves fields, and handles tp_user_meta profile fields.

Options & Customizer

`TPMeta_Options`	Static facade — `set_args()`, `set_section()`, `get_fields()`, and the rest of the public API.
`TPMeta_Options_Store`	Persistence, defaults, and per-type sanitization (see Validation).
`TPMeta_Options_Render`	Renders a panel's admin page.
`TPMeta_Options_Field`	Renders a single field within a panel.
`TPMeta_Options_Ajax`	Handles the AJAX save request — nonce and capability checked here.
`TPMeta_Customizer`	Mirrors option panels into Appearance → Customize.
`TPMeta_Customize_Field_Control`	Generic `WP_Customize_Control` subclass rendering any field type in the sidebar.
`TPMeta_Customize_TinyMCE_Control`	Dedicated TinyMCE control for the Customizer sidebar.

Option Builder

`TPMeta_Builder`	Admin UI for the visual Option Builder.
`TPMeta_Builder_Store`	CRUD for panel JSON in `wp_options`.
`TPMeta_Builder_Loader`	Loads stored panel JSON into the `TPMeta_Options` registry on `init`.
`TPMeta_Builder_Codegen`	Bake to PHP — generates a standalone panel file.
`TPMeta_Builder_Demos`	Ships the starter panel templates (Theme Options, Turie).
`TPMeta_Builder_REST`	REST endpoints used internally by the builder's admin UI.

Meta Builder

`TPMeta_Metafields_Builder`	Admin UI for the visual Meta Builder.
`TPMeta_Metafields_Store`	CRUD for metabox JSON.
`TPMeta_Metafields_Loader`	Loads stored metabox JSON into the registry.
`TPMeta_Metafields_Codegen`	Bake-style code generation for metaboxes.
`TPMeta_Metafields_Scanner`	Scans theme/plugin code for existing `tp_meta_boxes`/`tp_user_meta` registrations.
`TPMeta_Metafields_REST`	REST endpoints used internally by the Meta Builder's admin UI.

Post Types & Taxonomies

`TPMeta_Post_Types_Page` / `_Store` / `_Loader`	Visual Post Type Builder UI, storage, and `register_post_type()` registration.
`TPMeta_Taxonomies_Page` / `_Store` / `_Loader`	Visual Taxonomy Builder UI, storage, and `register_taxonomy()` registration.

Export / Import

TPMeta_Export_Import Bulk JSON export/import across metafields, post types, taxonomies and options.