*
* key ::= path
* path ::= component ( '.' component )*
- * component ::= ( lowercase_alpha | num | '_' )+
+ * component ::= ( alpha | num | '_' )+
* # with the only exception that sequences of '_' longer than 1 aren't valid
* # components
*
* a configuration file (via "save_to" function below) .
*
* Mapping between keys and environment variables is as follows:
- * - the whole key is uppercased
* - each "." is converted to "__"
- * E.g.: my.foo_ish.application -> MY__FOO_ISH__APPLICATION
+ * E.g.: my.Foo_iSH.Application -> my__Foo_iSH__Application
*
* ++ Variable interpolation ++
*
(** lookup key in registry with environment variable override *)
val get: string -> string
val set: key:string -> value:string -> unit
+val has: string -> bool
(** remove a key from the current environment, next get over this key will
* raise Key_not_found until the key will be redefined *)
val unset: string -> unit
+val fold: ?prefix:string -> ('a -> string -> string -> 'a) -> 'a -> 'a
+val iter: ?prefix:string -> (string -> string -> unit) -> unit
+val to_list: ?prefix:string -> unit -> (string * string) list
+
+ (** @param prefix key representing the section whose contents should be listed
+ * @return section list * key list *)
+val ls: string -> string list * string list
+
(** {2 Typed interface}
* Three basic types are supported: strings, int and strings list. Strings
* correspond literally to what is written inside double quotes; int to the
* associated to the corresponding key are executed, if at least one of them
* fails, Invalid_value exception will be raised *)
-type validator_id
+(*
+type validator_id
(** register a new validator for a given key
* @param key key to which validator applies
* @param validator a function applying to a value returning true if that
val add_validator:
key:string -> validator:(string -> bool) -> descr:string ->
validator_id
-(* val remove_validator: validator_id -> unit *)
+val remove_validator: validator_id -> unit
+*)
(** {2 Persistent configuration}
* Validators aren't saved. load_from/save_to sequences don't preserve comments
*)
val load_from: ?path:string list -> string -> unit
-(* DEBUGGING *)
-(* val dump: unit -> unit *)
+(** {2 OO interface} *)
+
+ (** @see load_from *)
+class registry: ?path: string list -> string ->
+ object
+ method get: string -> string
+ method set: key:string -> value:string -> unit
+ method has: string -> bool
+ method unset: string -> unit
+ method fold: ?prefix:string -> ('a -> string -> string -> 'a) -> 'a -> 'a
+ method iter: ?prefix:string -> (string -> string -> unit) -> unit
+ method to_list: ?prefix:string -> unit -> (string * string) list
+ method ls: string -> string list * string list
+ method get_string: string -> string
+ method get_int: string -> int
+ method get_float: string -> float
+ method get_bool: string -> bool
+ method get_string_list: string -> string list
+ method set_string: key:string -> value:string -> unit
+ method set_int: key:string -> value:int -> unit
+ method set_float: key:string -> value:float -> unit
+ method set_bool: key:string -> value:bool -> unit
+ method set_string_list: key:string -> value:string list -> unit
+ method get_opt:
+ (string -> 'a) (* getter *) ->
+ string -> 'a option
+ method set_opt:
+ (key:string -> value:'a -> unit) (* setter *) ->
+ key:string -> value:'a option -> unit
+ method get_opt_default:
+ (string -> 'a) (* getter *) ->
+ 'a -> string -> 'a
+ method save_to: string -> unit
+ end