(*
 * bibtex2html - A BibTeX to HTML translator
 * Copyright (C) 1997-2000 Jean-Christophe Filliātre and Claude Marché
 * 
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation.
 * 
 * This software 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 version 2 for more details
 * (enclosed in the file GPL).
 *)

(*i $Id: condition.mli,v 1.6 2004/07/13 14:32:59 marche Exp $ i*)

type constante =
  | Key
  | Entrytype
  | Field of string
  | Cte of string

type condition =
  | True 
  | False 
  | And of condition * condition
  | Or of condition * condition
  | Not of condition
  | Comp of constante * string * constante
  | Match of constante * Str.regexp
  | Exists of string

(*

  [(evaluate_cond e k fields cond)] returns the boolean value of
  [cond] with respect to the entry of type [e], of key [k], and fields
  [fields].

*)

val evaluate_cond : 
  string -> string -> (string * Bibtex.atom list) list -> condition -> bool

val print : condition -> unit