Source file root.ml

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(*
 * Copyright (c) 2014 Leo White <leo@lpw25.net>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *)

module Package = struct
  type t = string

  module Table = Hashtbl.Make (struct
    type nonrec t = t

    let equal : t -> t -> bool = ( = )

    let hash : t -> int = Hashtbl.hash
  end)
end

module Odoc_file = struct
  type compilation_unit = { name : string; hidden : bool }

  type page = {
    name : string;
    title : Comment.link_content option;
    frontmatter : Frontmatter.t;
  }

  type t =
    | Page of page
    | Compilation_unit of compilation_unit
    | Impl of string
    | Asset of string

  let create_unit ~force_hidden name =
    let hidden = force_hidden || Names.contains_double_underscore name in
    Compilation_unit { name; hidden }

  let create_page name title frontmatter = Page { name; title; frontmatter }

  let create_impl name = Impl name

  let name = function
    | Page { name; _ } | Compilation_unit { name; _ } | Impl name | Asset name
      ->
        name

  let hidden = function
    | Page _ | Impl _ | Asset _ -> false
    | Compilation_unit m -> m.hidden

  let asset name = Asset name
end

type t = {
  id : Paths.Identifier.OdocId.t;
  file : Odoc_file.t;
  digest : Digest.t;
}

let equal : t -> t -> bool = ( = )

let hash : t -> int = Hashtbl.hash

let to_string t =
  let rec pp fmt (id : Paths.Identifier.OdocId.t) =
    match id.iv with
    | `SourcePage (parent, name) ->
        let rec loop_pp fmt parent =
          match parent.Paths.Identifier.iv with
          | `SourceDir (p, name) -> Format.fprintf fmt "%a::%s" loop_pp p name
          | `Page _ as iv -> Format.fprintf fmt "%a" pp { parent with iv }
        in
        Format.fprintf fmt "%a::%s" loop_pp parent name
    | `LeafPage (parent, name) | `Page (parent, name) -> (
        match parent with
        | Some p ->
            Format.fprintf fmt "%a::%a" pp
              (p :> Paths.Identifier.OdocId.t)
              Names.PageName.fmt name
        | None -> Format.fprintf fmt "%a" Names.PageName.fmt name)
    | `Root (Some parent, name) ->
        Format.fprintf fmt "%a::%a" pp
          (parent :> Paths.Identifier.OdocId.t)
          Names.ModuleName.fmt name
    | `Root (None, name) -> Format.fprintf fmt "%a" Names.ModuleName.fmt name
    | `Implementation name ->
        Format.fprintf fmt "impl(%a)" Names.ModuleName.fmt name
    | `AssetFile (parent, name) ->
        Format.fprintf fmt "%a::%s" pp
          (parent :> Paths.Identifier.OdocId.t)
          (Names.AssetName.to_string name)
  in

  Format.asprintf "%a" pp t.id

let compare x y = String.compare x.digest y.digest

module Hash_table = Hashtbl.Make (struct
  type nonrec t = t

  let equal = equal

  let hash = hash
end)