(*
 * My personnal blog engine ...
 *
 * Copyright (C) 2017  Xavier Van de Woestyne <xaviervdw@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *)

let cmd input text =
  let s =
    "echo \""
    ^ String.escaped text
    ^ "\" | pandoc -t html -f "
  in Printf.sprintf "%s %s" s input

let of_markdown t = Util.exec @@ cmd "markdown" t
let of_tex t = Util.exec @@ cmd "latex" t

let of_file filename =
  match File.kind_of filename with
  | File.TeX -> of_tex (File.read filename)
  | File.Markdown -> of_markdown (File.read filename)
  | _ -> File.read filename
