+++ /dev/null
-(* Copyright (C) 2000, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM 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 2
- * of the License, or (at your option) any later version.
- *
- * HELM 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 HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://www.cs.unibo.it/helm/.
- *)
-
-(* AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
- *)
-
-(* output data structures ***************************************************)
-
-type path = string list (* the name of an attribute *)
-
-type value = string list (* the value of an attribute *)
-
-type attribute = path * value (* an attribute *)
-
-type attribute_group = attribute list (* a group of attributes *)
-
-type attribute_set = attribute_group list (* the attributes of an URI *)
-
-type resource = string * attribute_set (* an attributed URI *)
-
-type resource_set = resource list (* the query result *)
-
-type result = resource_set
-
-
-(* input data structures ****************************************************)
-
-type svar = string (* the name of a variable for a resource set *)
-
-type avar = string (* the name of a variable for a resource *)
-
-type vvar = string (* the name of a variable for an attribute value *)
-
-type inverse = bool
-
-type refine = RefineExact
- | RefineSub
- | RefineSuper
-
-type main = path
-
-type pattern = bool
-
-type exp = path * (path option)
-
-type exp_list = exp list
-
-type allbut = bool
-
-type xml = bool
-
-type source = bool
-
-type bin = BinFJoin (* full union - with attr handling *)
- | BinFMeet (* full intersection - with attr handling *)
- | BinFDiff (* full difference - with attr handling *)
-
-type gen = GenFJoin (* full union - with attr handling *)
- | GenFMeet (* full intersection - with attr handling *)
-
-type test = Xor
- | Or
- | And
- | Sub
- | Meet
- | Eq
- | Le
- | Lt
-
-type query = Empty
- | SVar of svar
- | AVar of avar
- | Subj of msval
- | Property of inverse * refine * path *
- main * istrue * isfalse list * exp_list *
- pattern * msval
- | Select of avar * query * msval
- | Bin of bin * query * query
- | LetSVar of svar * query * query
- | LetVVar of vvar * msval * query
- | For of gen * avar * query * query
- | Add of bool * groups * query
- | If of msval * query * query
- | Log of xml * source * query
- | StatQuery of query
- | Keep of allbut * path list * query
-
-and msval = False
- | True
- | Not of msval
- | Ex of avar list * msval
- | Test of test * msval * msval
- | Const of string
- | Set of msval list
- | Proj of path option * query
- | Dot of avar * path
- | VVar of vvar
- | StatVal of msval
- | Count of msval
- | Align of string * msval
-
-and groups = Attr of (path * msval) list list
- | From of avar
-
-and con = pattern * path * msval
-
-and istrue = con list
-
-and isfalse = con list
projects / helm.git / blobdiff