X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql%2FmQueryUtil.ml;h=98371c0538aeda098e851288730238f0f2c11da4;hb=89262281b6e83bd2321150f81f1a0583645eb0c8;hp=c5a8382fec9d3ce0a537900833c32cae736abce4;hpb=6c04191a9045120d3cf5f6046eee627d6499e5c9;p=helm.git diff --git a/helm/ocaml/mathql/mQueryUtil.ml b/helm/ocaml/mathql/mQueryUtil.ml index c5a8382fe..98371c053 100644 --- a/helm/ocaml/mathql/mQueryUtil.ml +++ b/helm/ocaml/mathql/mQueryUtil.ml @@ -33,123 +33,99 @@ (* *) (******************************************************************************) -open MathQL -(* string linearization of a reference *) +(* text linearization and parsing *******************************************) -let str_btoken = function - | MQBC s -> s - | MQBD -> "/" - | MQBQ -> "?" - | MQBS -> "*" - | MQBSS -> "**" - -let str_ftoken = function - | MQFC i -> "/" ^ string_of_int i - | MQFS -> "/*" - | MQFSS -> "/**" - -let str_prot = function - | Some s -> s - | None -> "*" - -let rec str_body = function - | [] -> "" - | head :: tail -> str_btoken head ^ str_body tail - -let str_frag l = - let rec str_fi start = function - | [] -> "" - | t :: l -> - (if start then "#1" else "") ^ str_ftoken t ^ str_fi false l - in str_fi true l - -let str_tref (p, b, i) = - str_prot p ^ ":/" ^ str_body b ^ str_frag i - -let str_uref (u, i) = - let rec str_fi start = function - | [] -> "" - | i :: l -> - (if start then "#1" else "") ^ string_of_int i ^ str_fi false l - in UriManager.string_of_uri u ^ str_fi true i - -(* raw HTML representation *) - -let key s = "" ^ s ^ " " - -let sym s = s ^ " " - -let sep s = s - -let str s = "'" ^ s ^ "' " - -let pat s = "\"" ^ s ^ "\" " - -let res s = "\"" ^ s ^ "\" " - -let nl () = "
" - -let par () = "

" - -(* HTML representation of a query *) - -let out_rvar s = sym s - -let out_svar s = sep "$" ^ sym s - -let out_tref r = pat (str_tref r) - -let out_pat p = out_tref p - -let out_func = function - | MQName -> key "name" - -let out_str = function - | MQCons s -> str s - | MQRVar s -> out_rvar s - | MQSVar s -> out_svar s - | MQFunc (f, r) -> out_func f ^ out_rvar r - | MQMConclusion -> key "mainconclusion" - | MQConclusion -> key "conclusion" - -let rec out_bool = function - | MQTrue -> key "true" - | MQFalse -> key "false" - | MQIs (s, t) -> out_str s ^ key "is" ^ out_str t - | MQNot b -> key "not" ^ out_bool b - | MQAnd (b1, b2) -> sep "(" ^ out_bool b1 ^ key "and" ^ out_bool b2 ^ sep ")" - | MQOr (b1, b2) -> sep "(" ^ out_bool b1 ^ key "or" ^ out_bool b2 ^ sep ")" +let rec txt_list f s = function + | [] -> "" + | [a] -> f a + | a :: tail -> f a ^ s ^ txt_list f s tail -let rec out_list = function - | MQSelect (r, l, b) -> - key "select" ^ out_rvar r ^ key "in" ^ out_list l ^ key "where" ^ out_bool b - | MQUse (l, v) -> key "use" ^ out_list l ^ key "position" ^ out_svar v - | MQUsedBy (l, v) -> key "usedby" ^ out_list l ^ key "position" ^ out_svar v - | MQPattern p -> key "pattern" ^ out_pat p - | MQUnion (l1, l2) -> sep "(" ^ out_list l1 ^ key "union" ^ out_list l2 ^ sep ")" - | MQIntersect (l1, l2) -> sep "(" ^ out_list l1 ^ key "intersect" ^ out_list l2 ^ sep ")" - -let out_query = function - | MQList l -> out_list l - -(* HTML representation of a query result *) - -let rec out_list = function - | [] -> "" - | u :: l -> res u ^ nl () ^ out_list l - -let out_result qr = - par () ^ "Result:" ^ nl () ^ - match qr with - | MQRefs l -> out_list l - -(* Converting functions *) - -let tref_uref u = - let s = str_uref u in - MQueryTParser.ref MQueryTLexer.rtoken (Lexing.from_string s) - -let parse_text ch = - let lexbuf = Lexing.from_channel ch in - MQueryTParser.query MQueryTLexer.qtoken lexbuf +let txt_str s = "\"" ^ s ^ "\"" + +let txt_path (p0, p1) = + txt_str p0 ^ (if p1 <> [] then "/" ^ txt_list txt_str "/" p1 else "") + +let txt_svar sv = "%" ^ sv + +let txt_rvar rv = "@" ^ rv + +let txt_vvar vv = "$" ^ vv + +let text_of_query x = + let module M = MathQL in + let txt_inv i = if i then "inverse " else "" in + let txt_ref = function + | M.RefineExact -> "" + | M.RefineSub -> "sub " + | M.RefineSuper -> "super " + in + let txt_refpath i r p = txt_inv i ^ txt_ref r ^ txt_path p ^ " " in + let txt_assign (pl, pr) = txt_vvar (fst pl) ^ " <- " ^ txt_path pr in + let rec txt_val = function + | M.Const [s] -> txt_str s + | M.Const l -> "{" ^ txt_list txt_str ", " l ^ "}" + | M.VVar vv -> txt_vvar vv + | M.Record (rv, p) -> txt_rvar rv ^ "." ^ txt_vvar (fst p) + | M.Fun (s, x) -> "fun " ^ txt_str s ^ " " ^ txt_val x + | M.Property (i, r, p, x) -> "property " ^ txt_refpath i r p ^ txt_val x + | M.RefOf x -> "refof " ^ txt_set x + and txt_boole = function + | M.False -> "false" + | M.True -> "true" + | M.Ex b x -> "ex " ^ txt_boole x +(* | M.Ex b x -> "ex [" ^ txt_list txt_rvar "," b ^ "] " ^ txt_boole x +*) | M.Not x -> "not " ^ txt_boole x + | M.And (x, y) -> "(" ^ txt_boole x ^ " and " ^ txt_boole y ^ ")" + | M.Or (x, y) -> "(" ^ txt_boole x ^ " or " ^ txt_boole y ^ ")" + | M.Sub (x, y) -> "(" ^ txt_val x ^ " sub " ^ txt_val y ^ ")" + | M.Meet (x, y) -> "(" ^ txt_val x ^ " meet " ^ txt_val y ^ ")" + | M.Eq (x, y) -> "(" ^ txt_val x ^ " eq " ^ txt_val y ^ ")" + and txt_set = function + | M.SVar sv -> txt_svar sv + | M.RVar rv -> txt_rvar rv + | M.Relation (i, r, p, M.Ref x, []) -> "relation " ^ txt_refpath i r p ^ txt_val x + | M.Relation (i, r, p, M.Ref x, l) -> "relation " ^ txt_refpath i r p ^ txt_val x ^ " attr " ^ txt_list txt_assign ", " l + | M.Union (x, y) -> "(" ^ txt_set x ^ " union " ^ txt_set y ^ ")" + | M.Intersect (x, y) -> "(" ^ txt_set x ^ " intersect " ^ txt_set y ^ ")" + | M.Diff (x, y) -> "(" ^ txt_set x ^ " diff " ^ txt_set y ^ ")" + | M.LetSVar (sv, x, y) -> "let " ^ txt_svar sv ^ " be " ^ txt_set x ^ " in " ^ txt_set y + | M.LetVVar (vv, x, y) -> "let " ^ txt_vvar vv ^ " be " ^ txt_val x ^ " in " ^ txt_set y + | M.Select (rv, x, y) -> "select " ^ txt_rvar rv ^ " in " ^ txt_set x ^ " where " ^ txt_boole y + | M.Pattern x -> "pattern " ^ txt_val x + | M.Ref x -> "ref " ^ txt_val x + | _ -> assert false + in + txt_set x + +let text_of_result x sep = + let txt_attr = function + | (p, []) -> txt_vvar (fst p) + | (p, l) -> txt_vvar (fst p) ^ " = " ^ txt_list txt_str ", " l + in + let txt_group l = "{" ^ txt_list txt_attr "; " l ^ "}" in + let txt_res = function + | (s, []) -> txt_str s + | (s, l) -> txt_str s ^ " attr " ^ txt_list txt_group ", " l + in + let txt_set l = txt_list txt_res ("; " ^ sep) l ^ sep in + txt_set x + +let query_of_text lexbuf = + MQueryTParser.query MQueryTLexer.query_token lexbuf + +let result_of_text lexbuf = + MQueryTParser.result MQueryTLexer.result_token lexbuf + +(* conversion functions *****************************************************) + +type uriref = UriManager.uri * (int list) + +let string_of_uriref (uri, fi) = + let module UM = UriManager in + let str = UM.string_of_uri uri in + let xp t = "#xpointer(1/" ^ string_of_int (t + 1) in + match fi with + | [] -> str + | [t] -> str ^ xp t ^ ")" + | t :: c :: _ -> str ^ xp t ^ "/" ^ string_of_int c ^ ")"