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(* OASIS: architecture for building OCaml libraries and applications *)
(* *)
(* Copyright (C) 2011-2016, Sylvain Le Gall *)
(* Copyright (C) 2008-2011, OCamlCore SARL *)
(* *)
(* This library is free software; you can redistribute it and/or modify it *)
(* under the terms of the GNU Lesser General Public License as published by *)
(* the Free Software Foundation; either version 2.1 of the License, or (at *)
(* your option) any later version, with the OCaml static compilation *)
(* exception. *)
(* *)
(* This library 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 file COPYING for more *)
(* details. *)
(* *)
(* You should have received a copy of the GNU Lesser General Public License *)
(* along with this library; if not, write to the Free Software Foundation, *)
(* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *)
(******************************************************************************)
(** Version comparisons
This module handles versions and version comparators. A version is a string
of the form "1.0.0". We compare integer and non-integer parts between to
version to order them. Version comparators defined relations to a set
of version. E.g. ">= 1.0.0" is a version comparator and defines all version
above "1.0.0", including "1.0.0".
The version comparison is done using
{{:http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version}Debian policy for version}.
@author Sylvain Le Gall
*)
(** {2 Version} *)
type t
(** Compare versions.
*)
val version_compare: t -> t -> int
(** Convert a string to version.
*)
val version_of_string: string -> t
(** Convert a version to string.
*)
val string_of_version: t -> string
(** Version number value. {b Not exported}.
*)
val value: t OASISValues.t
(** Dump [OASISDataNotation.t]. {b Not exported}.
*)
val odn_of_t: t -> OASISDataNotation.t
(** Remove the last part of a version, after the last '.'. I.e. 0.2.0~alpha1 ->
0.2.
*)
val chop: t -> t
(** {2 Version comparator} *)
type comparator =
| VGreater of t
| VGreaterEqual of t
| VEqual of t
| VLesser of t
| VLesserEqual of t
| VOr of comparator * comparator
| VAnd of comparator * comparator
(** Apply version comparator expression.
*)
val comparator_apply: t -> comparator -> bool
(** Convert a comparator to string. Example of output [">= 3.12.1"].
*)
val string_of_comparator: comparator -> string
(** Convert a comparator to variable name.
*)
val varname_of_comparator: comparator -> string
(** Convert a string to comparator. {b Not exported}.
*)
val comparator_of_string: string -> comparator
(** Simplify comparator, if possible. {b Not exported}.
*)
val comparator_reduce: comparator -> comparator
(** Check that we have a version constraint. {b Not exported}.
*)
val comparator_value: comparator OASISValues.t
(** Dump [OASISDataNotation.t]. {b Not exported}.
*)
val odn_of_comparator: comparator -> OASISDataNotation.t
(** The module [OASISVersion.StringVersion] uses [string] for version.
*)
module StringVersion:
sig
type t = string
(** Compare version strings.
*)
val compare: t -> t -> int
(** [comparator_ge version comparator_opt]
Check if [comparator] is compatible with all versions >= than [version].
Return [false] if comparator is [None].
{b Not exported}
*)
val comparator_ge: string -> comparator option -> bool
end
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