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author | Adam Chlipala <adam@chlipala.net> |
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date | Sat, 03 Sep 2011 12:56:05 -0400 |
parents | b4480a56cab7 |
children | ca3b73a7b4d0 |
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(* Copyright (c) 2010, Adam Chlipala * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - The names of contributors may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. *) structure Css :> CSS = struct structure IM = IntBinaryMap structure SM = BinaryMapFn(struct type ord_key = string val compare = String.compare end) datatype inheritable = Block | List | Table | Caption | Td datatype others = OBlock | OTable | OTd | Tr | NonReplacedInline | ReplacedInline | Width | Height fun inheritableToString x = case x of Block => "B" | List => "L" | Table => "T" | Caption => "C" | Td => "D" fun othersToString x = case x of OBlock => "b" | OTable => "t" | OTd => "d" | Tr => "-" | NonReplacedInline => "N" | ReplacedInline => "R" | Width => "W" | Height => "H" type summary = inheritable list * others list fun merge' (ls1, ls2) = foldl (fn (x, ls) => if List.exists (fn y => y = x) ls then ls else x :: ls) ls2 ls1 fun merge ((in1, ot1), (in2, ot2)) = (merge' (in1, in2), merge' (ot1, ot2)) fun mergePC {parent = (in1, ot1), child = in2} = (merge' (in1, in2), ot1) val nada = ([], []) val block = ([Block], [OBlock, Width, Height]) val inline = ([], [NonReplacedInline]) val list = ([Block, List], [OBlock, Width, Height]) val replaced = ([], [ReplacedInline, Width, Height]) val table = ([Block, Table], [OBlock, OTable, Width, Height]) val tr = ([Block], [OBlock, Tr, Height]) val td = ([Block, Td], [OBlock, OTd, Width]) val tags = [("span", inline), ("div", block), ("p", block), ("b", inline), ("i", inline), ("tt", inline), ("h1", block), ("h2", block), ("h3", block), ("h4", block), ("h5", block), ("h6", block), ("li", list), ("ol", list), ("ul", list), ("hr", block), ("a", inline), ("img", replaced), ("form", block), ("hidden", replaced), ("textbox", replaced), ("password", replaced), ("textarea", replaced), ("checkbox", replaced), ("upload", replaced), ("radio", replaced), ("select", replaced), ("submit", replaced), ("label", inline), ("ctextbox", replaced), ("button", replaced), ("ccheckbox", replaced), ("cselect", replaced), ("ctextarea", replaced), ("tabl", table), ("tr", tr), ("th", td), ("td", td)] val tags = foldl (fn ((tag, css), tags) => SM.insert (tags, tag, css)) SM.empty tags open Core fun summarize file = let fun decl ((d, _), st as (globals, classes)) = let fun getTag (e, _) = case e of EFfi ("Basis", tag) => SOME tag | ECApp (e, _) => getTag e | EApp (e, _) => getTag e | _ => NONE fun exp ((e, _), classes) = case e of EPrim _ => ([], classes) | ERel _ => ([], classes) | ENamed n => (case IM.find (globals, n) of NONE => [] | SOME (_, sm) => sm, classes) | ECon (_, _, _, NONE) => ([], classes) | ECon (_, _, _, SOME e) => exp (e, classes) | EFfi _ => ([], classes) | EFfiApp (_, _, es) => expList (es, classes) | EApp ( (EApp ( (EApp ( (EApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (EFfi ("Basis", "tag"), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), (ECon (_, _, _, SOME (ENamed class, _)), _)), _), attrs), _), tag), _), xml) => let val (sm, classes) = exp (xml, classes) val (sm', classes) = exp (attrs, classes) val sm = merge' (sm, sm') in case getTag tag of NONE => (sm, classes) | SOME tag => case SM.find (tags, tag) of NONE => (sm, classes) | SOME sm' => let val sm'' = mergePC {parent = sm', child = sm} val old = Option.getOpt (IM.find (classes, class), nada) val classes = IM.insert (classes, class, merge (old, sm'')) in (merge' (#1 sm', sm), classes) end end | EApp ( (EApp ( (EApp ( (EApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (ECApp ( (EFfi ("Basis", "tag"), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), _), attrs), _), tag), _), xml) => let val (sm, classes) = exp (xml, classes) val (sm', classes) = exp (attrs, classes) val sm = merge' (sm, sm') in case getTag tag of NONE => (sm, classes) | SOME tag => case SM.find (tags, tag) of NONE => (sm, classes) | SOME sm' => (merge' (#1 sm', sm), classes) end | EApp (e1, e2) => let val (sm1, classes) = exp (e1, classes) val (sm2, classes) = exp (e2, classes) in (merge' (sm1, sm2), classes) end | EAbs (_, _, _, e) => exp (e, classes) | ECApp (e, _) => exp (e, classes) | ECAbs (_, _, e) => exp (e, classes) | EKAbs (_, e) => exp (e, classes) | EKApp (e, _) => exp (e, classes) | ERecord xets => expList (map #2 xets, classes) | EField (e, _, _) => exp (e, classes) | EConcat (e1, _, e2, _) => let val (sm1, classes) = exp (e1, classes) val (sm2, classes) = exp (e2, classes) in (merge' (sm1, sm2), classes) end | ECut (e, _, _) => exp (e, classes) | ECutMulti (e, _, _) => exp (e, classes) | ECase (e, pes, _) => let val (sm, classes) = exp (e, classes) val (sms, classes) = expList (map #2 pes, classes) in (merge' (sm, sms), classes) end | EWrite e => exp (e, classes) | EClosure (_, es) => expList (es, classes) | ELet (_, _, e1, e2) => let val (sm1, classes) = exp (e1, classes) val (sm2, classes) = exp (e2, classes) in (merge' (sm1, sm2), classes) end | EServerCall (_, es, _) => expList (es, classes) and expList (es, classes) = foldl (fn (e, (sm, classes)) => let val (sm', classes) = exp (e, classes) in (merge' (sm, sm'), classes) end) ([], classes) es in case d of DCon _ => st | DDatatype _ => st | DVal (_, n, _, e, _) => let val (sm, classes) = exp (e, classes) in (IM.insert (globals, n, (NONE, sm)), classes) end | DValRec vis => let val (sm, classes) = foldl (fn ((_, _, _, e, _), (sm, classes)) => let val (sm', classes) = exp (e, classes) in (merge' (sm', sm), classes) end) ([], classes) vis in (foldl (fn ((_, n, _, _, _), globals) => IM.insert (globals, n, (NONE, sm))) globals vis, classes) end | DExport _ => st | DTable _ => st | DSequence _ => st | DView _ => st | DDatabase _ => st | DCookie _ => st | DStyle (_, n, s) => (IM.insert (globals, n, (SOME s, [])), classes) | DTask _ => st | DPolicy _ => st | DOnError _ => st end val (globals, classes) = foldl decl (IM.empty, IM.empty) file in {Overall = IM.foldl (fn ((_, sm), sm') => merge' (sm, sm')) [] globals, Classes = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) (List.mapPartial (fn (i, sm) => case IM.find (globals, i) of SOME (SOME s, _) => SOME (s, sm) | _ => NONE) (IM.listItemsi classes))} end type report = {Overall : inheritable list, Classes : (string * summary) list} end