Created
July 31, 2018 20:57
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Revised patch for using MLton's smlnj-lib with Poly/ML
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--- smlnj-lib/HTML/html-elements-fn.sml.orig Mon Nov 5 18:02:27 2007 | |
+++ smlnj-lib/HTML/html-elements-fn.sml Mon Nov 5 18:02:44 2007 | |
@@ -144,7 +144,8 @@ | |
* 3) a string literal enclosed in '' | |
*) | |
fun scanAttrVal (ctx, attrName, ss) = let | |
- fun isNameChar (#"." | #"-") = true | |
+ fun isNameChar #"." = true | |
+ | isNameChar #"-" = true | |
| isNameChar c = (Char.isAlphaNum c) | |
in | |
case SS.getc ss | |
--- smlnj-lib/HTML/html-attrs-fn.sml.orig Mon Nov 5 18:03:13 2007 | |
+++ smlnj-lib/HTML/html-attrs-fn.sml Mon Nov 5 18:04:51 2007 | |
@@ -89,19 +89,24 @@ | |
fun error () = ( | |
Err.badAttrVal ctx (attrName, attrValToString attrVal); | |
NONE) | |
- fun cvt (AT_IMPLICIT, IMPLICIT) = SOME IMPLICIT | |
- | cvt (AT_INSTANCE, IMPLICIT) = SOME(NAME attrName) | |
- | cvt (AT_TEXT, v) = SOME v | |
- | cvt (AT_NUMBER, v) = SOME v | |
- | cvt (AT_NAMES names, (NAME s | STRING s)) = ( | |
+ fun atNames (names, s) = ( | |
case (List.find (eqName s) names) | |
of NONE => error() | |
| (SOME name) => SOME(NAME name) | |
(* end case *)) | |
- | cvt (AT_IMPLICIT, (NAME s | STRING s)) = | |
+ fun atImplicit (s) = | |
if (s = attrName) | |
then SOME IMPLICIT | |
else error() | |
+ | |
+ fun cvt (AT_IMPLICIT, IMPLICIT) = SOME IMPLICIT | |
+ | cvt (AT_INSTANCE, IMPLICIT) = SOME(NAME attrName) | |
+ | cvt (AT_TEXT, v) = SOME v | |
+ | cvt (AT_NUMBER, v) = SOME v | |
+ | cvt (AT_NAMES names, NAME s) = atNames (names, s) | |
+ | cvt (AT_NAMES names, STRING s) = atNames (names, s) | |
+ | cvt (AT_IMPLICIT, NAME s) = atImplicit (s) | |
+ | cvt (AT_IMPLICIT, STRING s) = atImplicit (s) | |
| cvt _ = error() | |
in | |
case (HTbl.find attrTbl attrName) | |
@@ -138,7 +143,8 @@ | |
val getFn = bindFindAttr (attrMap, attr) | |
fun get attrVec = (case (getFn attrVec) | |
of NONE => NONE | |
- | (SOME((STRING s) | (NAME s))) => SOME s | |
+ | SOME (STRING s) => SOME s | |
+ | SOME (NAME s) => SOME s | |
| _ => ( | |
Err.missingAttrVal (getContext attrVec) attr; | |
NONE) | |
@@ -162,31 +168,41 @@ | |
end | |
fun getNUMBER (attrMap, attr) = let | |
val getFn = bindFindAttr (attrMap, attr) | |
- fun get attrVec = (case (getFn attrVec) | |
+ fun get attrVec = let | |
+ fun doitStringName s = (case (Int.fromString s) | |
+ of NONE => ( | |
+ Err.badAttrVal (getContext attrVec) (attr, s); | |
+ NONE) | |
+ | someN => someN | |
+ (* end case *)) | |
+ in | |
+ (case (getFn attrVec) | |
of NONE => NONE | |
- | (SOME((STRING s) | (NAME s))) => (case (Int.fromString s) | |
- of NONE => ( | |
- Err.badAttrVal (getContext attrVec) (attr, s); | |
- NONE) | |
- | someN => someN | |
- (* end case *)) | |
+ | SOME (STRING s) => doitStringName s | |
+ | SOME (NAME s) => doitStringName s | |
| SOME IMPLICIT => raise Fail "getNUMBER: IMPLICIT unexpected" | |
(* end case *)) | |
+ end | |
in | |
get | |
end | |
fun getChar (attrMap, attr) = let | |
val getFn = bindFindAttr (attrMap, attr) | |
- fun get attrVec = (case (getFn attrVec) | |
- of NONE => NONE | |
- | (SOME((STRING s) | (NAME s))) => | |
- if (size s = 1) then SOME(String.sub(s, 0)) | |
+ fun get attrVec = let | |
+ fun doitStringName s = | |
+ if (size s = 1) then SOME(String.sub(s, 0)) | |
(** NOTE: we should probably accept &#xx; as a character value **) | |
- else ( | |
- Err.badAttrVal (getContext attrVec) (attr, s); | |
- NONE) | |
+ else ( | |
+ Err.badAttrVal (getContext attrVec) (attr, s); | |
+ NONE) | |
+ in | |
+ (case (getFn attrVec) | |
+ of NONE => NONE | |
+ | SOME (STRING s) => doitStringName s | |
+ | SOME (NAME s) => doitStringName s | |
| SOME IMPLICIT => raise Fail "getChar: IMPLICIT unexpected" | |
(* end case *)) | |
+ end | |
in | |
get | |
end |
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