X-Git-Url: http://git.annexia.org/?p=whenjobs.git;a=blobdiff_plain;f=lib%2Fwhenutils.mli;h=ef3f5918e1451cc61c5b7c8f3ae8d99fe4e3aa38;hp=2d5bbfae20ba2e02cc7231b9ccb2e3912bb50dee;hb=HEAD;hpb=0f58f891d531defd1fa923dd2da93678c9c6f35b diff --git a/lib/whenutils.mli b/lib/whenutils.mli index 2d5bbfa..ef3f591 100644 --- a/lib/whenutils.mli +++ b/lib/whenutils.mli @@ -20,7 +20,7 @@ module StringMap : sig type key = String.t - type 'a t = 'a Map.Make(String).t + type 'a t val empty : 'a t val is_empty : 'a t -> bool val mem : key -> 'a t -> bool @@ -51,6 +51,72 @@ module StringMap : sig end (** A map from string to any type. *) +module IntMap : sig + type key = int + type 'a t + val empty : 'a t + val is_empty : 'a t -> bool + val mem : key -> 'a t -> bool + val add : key -> 'a -> 'a t -> 'a t + (*val singleton : key -> 'a -> 'a t*) + val remove : key -> 'a t -> 'a t + (*val merge : + (key -> 'a option -> 'b option -> 'c option) -> 'a t -> 'b t -> 'c t*) + val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int + val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool + val iter : (key -> 'a -> unit) -> 'a t -> unit + val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b + (*val for_all : (key -> 'a -> bool) -> 'a t -> bool + val exists : (key -> 'a -> bool) -> 'a t -> bool + val filter : (key -> 'a -> bool) -> 'a t -> 'a t + val partition : (key -> 'a -> bool) -> 'a t -> 'a t * 'a t + val cardinal : 'a t -> int + val bindings : 'a t -> (key * 'a) list + val min_binding : 'a t -> key * 'a + val max_binding : 'a t -> key * 'a + val choose : 'a t -> key * 'a + val split : key -> 'a t -> 'a t * 'a option * 'a t*) + val find : key -> 'a t -> 'a + val map : ('a -> 'b) -> 'a t -> 'b t + val mapi : (key -> 'a -> 'b) -> 'a t -> 'b t + val keys : 'a t -> key list + val values : 'a t -> 'a list +end +(** A map from int to any type. *) + +module BigIntMap : sig + type key = Big_int.big_int + type 'a t + val empty : 'a t + val is_empty : 'a t -> bool + val mem : key -> 'a t -> bool + val add : key -> 'a -> 'a t -> 'a t + (*val singleton : key -> 'a -> 'a t*) + val remove : key -> 'a t -> 'a t + (*val merge : + (key -> 'a option -> 'b option -> 'c option) -> 'a t -> 'b t -> 'c t*) + val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int + val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool + val iter : (key -> 'a -> unit) -> 'a t -> unit + val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b + (*val for_all : (key -> 'a -> bool) -> 'a t -> bool + val exists : (key -> 'a -> bool) -> 'a t -> bool + val filter : (key -> 'a -> bool) -> 'a t -> 'a t + val partition : (key -> 'a -> bool) -> 'a t -> 'a t * 'a t + val cardinal : 'a t -> int + val bindings : 'a t -> (key * 'a) list + val min_binding : 'a t -> key * 'a + val max_binding : 'a t -> key * 'a + val choose : 'a t -> key * 'a + val split : key -> 'a t -> 'a t * 'a option * 'a t*) + val find : key -> 'a t -> 'a + val map : ('a -> 'b) -> 'a t -> 'b t + val mapi : (key -> 'a -> 'b) -> 'a t -> 'b t + val keys : 'a t -> key list + val values : 'a t -> 'a list +end +(** A map from big_int to any type. *) + module StringSet : sig type elt = String.t type t = Set.Make(String).t @@ -81,123 +147,23 @@ module StringSet : sig end (** A set of strings. *) -val filter_map : ('a -> 'b option) -> 'a list -> 'b list -(** Filter + map. *) - -type whenexpr = - | Expr_bool of bool (** A boolean constant. *) - | Expr_str of string (** A string constant. *) - | Expr_int of Big_int.big_int (** An integer constant. *) - | Expr_float of float (** A float constant. *) - | Expr_var of string (** A variable name. *) - | Expr_and of whenexpr * whenexpr (** && *) - | Expr_or of whenexpr * whenexpr (** || *) - | Expr_eq of whenexpr * whenexpr (** == *) - | Expr_not of whenexpr (** ! *) - | Expr_changes of string (** changes var *) -(** Internal type used to represent 'when' expressions. *) - -type periodexpr = - | Every_seconds of int - | Every_days of int - | Every_months of int - | Every_years of int -(** Internal type used to represent 'every' expressions. *) +val (//) : string -> string -> string +(** [dir // file] concatenates directory and file. *) -type shell_script = { - sh_loc : Camlp4.PreCast.Loc.t; - sh_script : string; -} -(** A shell script. *) +val isalpha : char -> bool +val isalnum : char -> bool +(** Character tests. *) -type variable = - | T_bool of bool - | T_string of string - | T_int of Big_int.big_int - | T_float of float -(** Typed variable (see also [whenproto.x]) *) - -val variable_of_rpc : Whenproto_aux.variable -> variable -val rpc_of_variable : variable -> Whenproto_aux.variable - -type variables = variable StringMap.t -(** A set of variables. *) - -type job_private -(** Private state associated with a job, used for evaluation. *) - -val no_job_private : job_private -(* XXX any use of no_job_private is wrong XXX *) - -type job_cond = - | When_job of whenexpr (** when ... : << >> *) - | Every_job of periodexpr (** every ... : << >> *) - -type job = { - job_loc : Camlp4.PreCast.Loc.t; - job_name : string; - job_cond : job_cond; - job_script : shell_script; - job_private : job_private; -} -(** A job. *) - -val expr_of_ast : Camlp4.PreCast.Ast.Loc.t -> Camlp4.PreCast.Ast.expr -> whenexpr -(** Convert OCaml AST to an expression. Since OCaml ASTs are much - more general than the expressions we can use, this can raise - [Invalid_argument] in many different situations. *) - -val string_of_whenexpr : whenexpr -> string -(** Pretty-print an expression to a string. *) - -val string_of_periodexpr : periodexpr -> string -(** Pretty-print a period expression to a string. *) - -val dependencies_of_whenexpr : whenexpr -> string list -(** Return list of variables that an expression depends on. This is - used to work out when an expression needs to be reevaluated. *) - -val dependencies_of_job : job -> string list -(** Which variables does this job depend on? *) - -val job_evaluate : job -> variables -> bool * job -(** Evaluate [job]'s condition in the context of the [variables], and - return [true] iff it should be run now. Note that this returns a - possibly-updated [job] structure. - - This is a no-op for 'every' jobs. *) - -val next_periodexpr : float -> periodexpr -> float -(** [next_periodexpr t period] returns the earliest event of [period] - strictly after time [t]. - - Visualising periods as repeated events on a timeline, this - returns [t']: - - {v - events: ---+---------+---------+---------+---------+---------+----- - times: t t' - } - - Note that [periodexpr] events are not necessarily regular. - eg. The start of a month is not a fixed number of seconds - after the start of the previous month. 'Epoch' refers - to the Unix Epoch (ie. 1970-01-01 00:00:00 UTC). - - If [period = Every_seconds i] then events are when - [t' mod i == 0] when t' is the number of seconds since - the Epoch. This returns the next t' > t. +val filter_map : ('a -> 'b option) -> 'a list -> 'b list +(** Filter + map. *) - If [period = Every_days i] then events happen at - midnight UTC every [i] days since the Epoch. - This returns the next midnight > t. +val string_of_time_t : ?localtime:bool -> float -> string +(** Convert string to time in ISO format. If [~localtime] is true + then it uses localtime, else UTC. *) - If [period = Every_months i] then events happen at - midnight UTC on the 1st day of the month every [i] months - since the Epoch. This returns midnight on the - 1st day of the next month > t. +val string_startswith : string -> string -> bool +(** [string_startswith str prefix] returns true iff [str] starts + with [prefix]. *) - If [period = Every_years i] then events happen at - midnight UTC on the 1st day of the year when - [(y - 1970) mod i == 0]. This returns midnight on the - 1st day of the next year > t. *) +val string_endswith : string -> string -> bool +(** [string_endswith str suffix] returns true iff [str] ends with [suffix]. *)