let spaces_rex = Str.regexp "[ \t\n\r]+"
let heading_spaces_rex = Str.regexp "^[ \t\n\r]+"
+let split s =
+ (* trailing blanks are removed per default by split *)
+ Str.split spaces_rex (Str.global_replace heading_spaces_rex "" s)
+let merge l = String.concat " " l
+
(* escapes for xml configuration file *)
let (escape, unescape) =
let (in_enc, out_enc) = (`Enc_utf8, `Enc_utf8) in
value_is_valid ~key ~value;
Hashtbl.replace registry key value
+let unset = Hashtbl.remove registry
+
let env_var_of_key key =
(* Pcre.replace ~rex:dot_rex ~templ:"__" (String.uppercase key) *)
Str.global_replace dot_rex "__" (String.uppercase key)
let set = set' registry
-let string_list_of_string s =
- (* trailing blanks are removed per default by split *)
-(* Pcre.split ~res:spaces_rex (Pcre.replace ~rex:heading_spaces_rex s) *)
- Str.split spaces_rex (Str.global_replace heading_spaces_rex "" s)
-let string_of_string_list l = String.concat " " l
-
let mk_get_set type_name (from_string: string -> 'a) (to_string: 'a -> string) =
let getter key =
let value = get key in
let (get_string, set_string) = (get, set)
let (get_int, set_int) = mk_get_set "int" int_of_string string_of_int
let (get_float, set_float) = mk_get_set "float" float_of_string string_of_float
-let (get_string_list, set_string_list) =
- mk_get_set "string list" string_list_of_string string_of_string_list
+let (get_bool, set_bool) = mk_get_set "bool" bool_of_string string_of_bool
+let (get_string_list, set_string_list) = mk_get_set "string list" split merge
-(*
-let save_to =
- let dtd = new dtd default_config.warner `Enc_utf8 in
- let rec create_key node sections key value =
- match sections with
- | [] -> create_element_node ~valcheck:false default_spec dtd
-*)
-
-let save_to fname =
- debug_print ("Saving configuration to " ^ fname);
- let oc = open_out fname in
- output_string oc "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
- output_string oc "<helm_registry>\n";
+let get_opt getter key =
try
- Hashtbl.iter
- (fun key value ->
- fprintf oc " <value key=\"%s\">%s</value>\n" key (escape value))
- registry;
- output_string oc "</helm_registry>";
- close_out oc
- with e ->
- close_out oc;
- raise e
+ Some (getter key)
+ with Key_not_found _ -> None
+let set_opt setter ~key ~value =
+ match value with
+ | None -> unset key
+ | Some value -> setter ~key ~value
+let get_opt_default getter default key =
+ match get_opt getter key with
+ | None -> default
+ | Some v -> v
let add_validator ~key ~validator ~descr =
let id = get_next_validator_id () in
Hashtbl.add validators key (validator, descr);
id
+open Pxp_dtd
open Pxp_document
open Pxp_types
open Pxp_yacc
+let save_to =
+ let dtd = new dtd default_config.warner `Enc_utf8 in
+ let dot_RE = Str.regexp "\\." in
+ let create_key_node key value = (* create a <key name="foo">value</key> *)
+ let element =
+ create_element_node ~valcheck:false default_spec dtd "key" ["name", key]
+ in
+ let data = create_data_node default_spec dtd value in
+ element#append_node data;
+ element
+ in
+ let is_section name =
+ fun node ->
+ match node#node_type with
+ | T_element "section" ->
+ (try node#attribute "name" = Value name with Not_found -> false)
+ | _ -> false
+ in
+ let add_key_node root sections key value =
+ let rec aux node = function
+ | [] ->
+ let key_node = create_key_node key value in
+ node#append_node key_node
+ | section :: tl ->
+ let next_node =
+ try
+ find ~deeply:false (is_section section) node
+ with Not_found ->
+ let section_node =
+ create_element_node ~valcheck:false default_spec dtd
+ "section" ["name", section]
+ in
+ node#append_node section_node;
+ section_node
+ in
+ aux next_node tl
+ in
+ aux root sections
+ in
+ fun fname ->
+ let xml_root =
+ create_element_node ~valcheck:false default_spec dtd "helm_registry" []
+ in
+ Hashtbl.iter
+ (fun key value ->
+ let sections, key =
+ let hd, tl =
+ match List.rev (Str.split dot_RE key) with
+ | hd :: tl -> hd, tl
+ | _ -> assert false
+ in
+ List.rev tl, hd
+ in
+ add_key_node xml_root sections key value)
+ registry;
+ let outchan = (* let's write xml output to fname *)
+ if Unix.system "xmllint --version &> /dev/null" = Unix.WEXITED 0 then
+ (* xmllint available, use it! *)
+ Unix.open_process_out (sprintf
+ "xmllint --format --encode utf8 -o '%s' -" fname)
+ else
+ (* xmllint not available, write pxp ugly output directly to fname *)
+ open_out fname
+ in
+ xml_root#write (`Out_channel outchan) `Enc_utf8;
+ close_out outchan
+
let load_from_absolute =
let config = default_config in
let entry = `Entry_document [ `Extend_dtd_fully; `Parse_xml_decl ] in
- let fold_key key_stack key = String.concat "." key_stack ^ "." ^ key in
+ let fold_key key_stack key =
+ match key_stack with
+ | [] -> key
+ | _ -> String.concat "." key_stack ^ "." ^ key
+ in
fun fname ->
debug_print ("Loading configuration from " ^ fname);
let document =
projects / helm.git / blobdiff