X-Git-Url: http://git.nguyen.vg/gitweb/?p=tatoo.git;a=blobdiff_plain;f=src%2Fquery_tree.ml;h=a81804792e063f7f381c816cef6e2e8b542238fa;hp=404c750db76153bcae62c9a4b0915cef3f078399;hb=11fd750e5f19e421768ec72c511b631e7b009365;hpb=bf8537a562ad461cdecc45978c36e5ad2b35766f diff --git a/src/query_tree.ml b/src/query_tree.ml index 404c750..a818047 100644 --- a/src/query_tree.ml +++ b/src/query_tree.ml @@ -5,7 +5,8 @@ let table_query_tree = Hashtbl.create 97 let table_qtree = QTreeHash.create 97 let all_nodes tree = let root = Naive_tree.root tree in - eval_axis tree [root] (Descendant true) + let acc1 = get_descendant tree [root] in + root::acc1 let element_by_tag tree tagset kind = let dom = all_nodes tree in List.filter (fun c -> @@ -89,33 +90,8 @@ let compile_xpath p = match p with | [p] -> compile_single_path p | p::r -> List.fold_left (fun acc p -> mk_node (Binop (Union , acc, compile_single_path p) )) (compile_single_path p) r -let comp_node t n1 n2 = (Naive_tree.preorder t n1) < (Naive_tree.preorder t n2) -let rec union_list t l1 l2 = - match l1,l2 with - | [],l2 -> l2 - | l1, [] -> l1 - | h1::ll1, h2::ll2 -> if (comp_node t h2 h1) then h2 :: (union_list t l1 ll2) - else if (comp_node t h1 h2) then h1::(union_list t ll1 l2) - else h1 ::(union_list t ll1 ll2) - -let rec inter_list t l1 l2 = - match l1,l2 with - | [],l2 -> [] - | l1, [] -> [] - | h1::ll1, h2::ll2 -> if (comp_node t h1 h2) then inter_list t ll1 l2 - else if (comp_node t h2 h1) then inter_list t l1 ll2 - else h1 :: (inter_list t ll1 ll2) - -let rec diff_list t l1 l2 = - match l1,l2 with - | [],l2 -> [] - | l1, [] -> l1 - | h1::ll1, h2::ll2 -> if (comp_node t h1 h2) then h1::(diff_list t ll1 l2) - else if (comp_node t h2 h1) then h2 :: (diff_list t l1 ll2) - else diff_list t ll1 ll2 - let do_debug = ref false @@ -155,38 +131,6 @@ and compare_axis a1 a2 = | Ancestor b1, Ancestor b2 -> b1==b2 | _,_ -> false - -let rec eval_query_tree tree start q = - let resultat = - begin - try - Hashtbl.find table_query_tree q - with Not_found -> - let res = - match q.desc with - | Start -> start - | Dom -> all_nodes tree - | Tag (t,k) -> element_by_tag tree t k - | Axis (a,q1) -> let ls = eval_query_tree tree start q1 in - eval_axis tree ls a - | Binop (op,q1,q2)-> begin - let ls1 = eval_query_tree tree start q1 in - let ls2 = eval_query_tree tree start q2 in - match op with - | Union -> union_list tree ls1 ls2 - | Inter -> inter_list tree ls1 ls2 - | Diff -> diff_list tree ls1 ls2 - end - in - let res = List.sort (Table.compare_node tree) res in - Hashtbl.add table_query_tree q res; - compteur := !compteur + (List.length res); - res - end - in - debug tree q resultat; - resultat - let mini_id = ref 0 let mini_table = QTreeHash.create 17 @@ -236,8 +180,6 @@ let rec eval_qtree tree start q = | Diff -> diff_list tree ls1 ls2 end in -(* let res = Tas.sort_of_list tree res in - let res = List.sort (Table.compare_node tree) res in*) QTreeHash.add table_qtree q res; compteur := !compteur + (List.length res); res