Source file b0_version.ml
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open B0_std
type t = int * int * int * string option
let next_major ?info (maj, _, _, _) = (maj + 1, 0, 0, info)
let next_minor ?info (maj, min, _, _) = (maj, min + 1, 0, info)
let next_patch ?info (maj, min, patch, _) = (maj, min, patch + 1, info)
let with_info info (maj, min, patch, _) = (maj, min, patch, info)
let string_drop_initial_v s =
if s = "" then s else match s.[0] with
| 'v' | 'V' -> String.subrange ~first:1 s
| _ -> s
let of_string s =
if s = "" then None else
let cut_left_plus_or_tilde s =
let cut = match String.index_opt s '+', String.index_opt s '~' with
| None, None -> None
| (Some _ as i), None | None, (Some _ as i) -> i
| Some i, Some i' -> Some (if i < i' then i else i')
in
match cut with
| None -> None
| Some i -> Some (String.subrange ~last:(i - 1) s,
String.subrange ~first:i s)
in
try match String.split_first ~sep:"." s with
| None -> None
| Some (maj, rest) ->
let maj = int_of_string (string_drop_initial_v maj) in
match String.split_first ~sep:"." rest with
| None ->
begin match cut_left_plus_or_tilde rest with
| None -> Some (maj, int_of_string rest, 0, None)
| Some (min, i) -> Some (maj, int_of_string min, 0, Some i)
end
| Some (min, rest) ->
let min = int_of_string min in
begin match cut_left_plus_or_tilde rest with
| None -> Some (maj, min, int_of_string rest, None)
| Some (p, i) -> Some (maj, min, int_of_string p, Some i)
end
with
| Failure _ -> None
let to_string (major, minor, patchlevel, info) =
Fmt.str "%d.%d.%d%a" major minor patchlevel Fmt.(option string) info
let version_st = [`Bold; `Fg `Magenta]
let pp ppf v = Fmt.st version_st ppf (to_string v)
let pp_string ppf v = Fmt.st version_st ppf v