(*
 * SPDX-FileCopyrightText: 2024 The Forester Project Contributors AND The RedPRL Development Team
 * SPDX-FileCopyrightText: 2026 The Forester Project Contributors
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 * SPDX-License-Identifier: GPL-3.0-or-later OR Apache-2.0 WITH LLVM-exception
 *)

open Types
open Grace

let rec pp_content fmt = function
  | Content nodes -> List.iter (pp_content_node fmt) nodes

and pp_content_node fmt = function
  | Text str -> Format.fprintf fmt "%s" str
  | CDATA str -> Format.fprintf fmt "%s" str
  | KaTeX (_, xs) -> pp_content fmt xs
  | Xml_elt _ | Transclude _ | Contextual_number _ | Section _ | Link _
  | Artefact _ | Uri _ | Route_of_uri _ | Datalog_script _
  | Results_of_datalog_query _ ->
    let diagnostic =
      Diagnostic.createf Error ~code:`Internal_error
        "Cannot render this kind of content node as TeX-like string"
    in
    Format.printf "%a@."
      Grace_ansi_renderer.(pp_diagnostic ?config:None ?code_to_string:None)
      diagnostic;
    assert false

let string_of_content content = Format.asprintf "%a" pp_content content