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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 (map #1 es, classes)
| EApp (
(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 (
(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
|
