From 6c9b7696b51aa36a7c592ff76b922259ccf9570e Mon Sep 17 00:00:00 2001
From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Tue, 24 Feb 2004 16:16:31 +0000
Subject: [PATCH] interpreter flags were reorganized

---
 helm/ocaml/mathql_interpreter/mQIConn.ml  | 39 +++++++++++++----------
 helm/ocaml/mathql_interpreter/mQIConn.mli |  6 ++--
 2 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/helm/ocaml/mathql_interpreter/mQIConn.ml b/helm/ocaml/mathql_interpreter/mQIConn.ml
index 460ef41d0..d0dedf143 100644
--- a/helm/ocaml/mathql_interpreter/mQIConn.ml
+++ b/helm/ocaml/mathql_interpreter/mQIConn.ml
@@ -26,7 +26,7 @@
 (*  AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
  *)
 
-type flag = Postgres | Galax | Stat | Quiet | Warn | Log
+type flag = Galax | Postgres | Queries | Result | Source | Times | Warn
 
 type handle = {
    log : string -> unit;             (* logging function        *)
@@ -51,20 +51,22 @@ let pgc handle = handle.pgc
 let flags handle = handle.set 
 
 let string_of_flag = function
-      | Postgres -> "P"
       | Galax    -> "G"
-      | Stat     -> "S"
-      | Quiet    -> "Q"
+      | Postgres -> "P"
+      | Queries  -> "Q"
+      | Result    -> "R"
+      | Source   -> "S"      
+      | Times    -> "T"
       | Warn     -> "W"
-      | Log      -> "L"
 
 let flag_of_char = function
-      | 'P' -> [Postgres]
       | 'G' -> [Galax]
-      | 'S' -> [Stat]
-      | 'Q' -> [Quiet] 
+      | 'P' -> [Postgres]
+      | 'Q' -> [Queries] 
+      | 'R' -> [Result]
+      | 'S' -> [Source]
+      | 'T' -> [Times]
       | 'W' -> [Warn] 
-      | 'L' -> [Log]
       | _   -> []
 
 let string_fold_left f a s =
@@ -78,16 +80,22 @@ let string_of_flags flags =
 let flags_of_string s =
    string_fold_left (fun l c -> l @ flag_of_char c) [] s
 
-let init myflags mylog =
+let init ?(flags = []) ?(log = ignore) () =
+   let flags = 
+      if flags = [] then
+         flags_of_string (Helm_registry.get "mathql_interpreter.flags")
+      else 
+         flags
+   in
    let m, a =
       let g = 
-         if List.mem Galax myflags 
+         if List.mem Galax flags 
 	    then MQIMap.empty_map else MQIMap.read_map
       in g ()
    in
-   {log = mylog; set = myflags; 
+   {log = log; set = flags; 
     pgc =
-     if List.mem Galax myflags then
+     if List.mem Galax flags then
       None
      else
       MQIPostgres.init
@@ -101,7 +109,6 @@ let close handle =
 let connected handle =
    if set handle Galax then false else (pgc handle) <> None  
 
-let init_if_connected myflags mylog =
-   let handle = init myflags mylog in
+let init_if_connected ?(flags = []) ?(log = ignore) () =
+   let handle = init ~flags:flags ~log:log () in
    ignore (pgc handle); handle
- 
diff --git a/helm/ocaml/mathql_interpreter/mQIConn.mli b/helm/ocaml/mathql_interpreter/mQIConn.mli
index 649b54854..b83453ae9 100644
--- a/helm/ocaml/mathql_interpreter/mQIConn.mli
+++ b/helm/ocaml/mathql_interpreter/mQIConn.mli
@@ -26,18 +26,18 @@
 (*  AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
  *)
 
-type flag = Postgres | Galax | Stat | Quiet | Warn | Log 
+type flag = Galax | Postgres | Queries | Result | Source | Times | Warn
 
 val string_of_flags : flag list -> string
 val flags_of_string : string -> flag list
 
 type handle
 
-val init      : flag list -> (string -> unit) -> handle
+val init      : ?flags:(flag list) -> ?log:(string -> unit) -> unit -> handle
 val close     : handle -> unit
 val connected : handle -> bool
 
-val init_if_connected : flag list -> (string -> unit) -> handle
+val init_if_connected : ?flags:(flag list) -> ?log:(string -> unit) -> unit -> handle
 
 (* The following functions allow to read the handle internal fields. 
  * For exclusive use of the interpreter.  
-- 
2.39.2