{ "the" } [ "geese" ?plural-article ] unit-test
{ "a" } [ "sheep" ?plural-article ] unit-test
-{ { "" } }
- [ { } "or" simple-comma-list ] unit-test
+{ { } } [ { } "or" comma-list ] unit-test
-{ { { "a" } } }
- [ { "a" } "or" simple-comma-list ] unit-test
+{ { "a" } } [ { "a" } "or" comma-list ] unit-test
-{ { { "a" } { " or " "b" } } }
- [ { "a" "b" } "or" simple-comma-list ] unit-test
+{ { "a" " or " "b" } }
+[ { "a" "b" } "or" comma-list ] unit-test
-{ { { "a" ", " } { "b" } { ", or " "c" } } }
- [ { "a" "b" "c" } "or" simple-comma-list ] unit-test
+{ { "a" ", " "b" ", or " "c" } }
+[ { "a" "b" "c" } "or" comma-list ] unit-test
-{ { { "a" ", " } { "b" ", " } { "x" } { ", and " "c" } } }
- [ { "a" "b" "x" "c" } "and" simple-comma-list ] unit-test
+{ { "a" ", " "b" ", " "x" ", and " "c" } }
+[ { "a" "b" "x" "c" } "and" comma-list ] unit-test
{ {
- { "an " { $link object } ", " }
- { "a " { $link pair } ", " }
- { "a " { $link number } ", " }
- { "an " { $link array } ", " }
- { "a " { $link string } ", " }
- { "a " { $link sequence } }
- { ", or " "an " { $link assoc } }
+ { "an " { $link object } } ", "
+ { "a " { $link pair } } ", "
+ { "a " { $link number } } ", "
+ { "an " { $link array } } ", "
+ { "a " { $link string } } ", "
+ { "a " { $link sequence } } ", or "
+ { "an " { $link assoc } }
} } [
{ object pair number array string sequence assoc }
or-markup-example
} } [ { object } or-markup-example ] unit-test
{ {
- { "an " { $link object } }
- { " or " "a " { $link pair } }
+ { "an " { $link object } } " or " { "a " { $link pair } }
} } [ { object pair } or-markup-example ] unit-test
: ?plural-article ( word -- article )
dup singular? [ a/an ] [ drop "the" ] if ;
-: comma-list-by ( parts quot conjunction -- clause-seq )
- ! using map-index for maximum flexibility
- [ '[ _ call( x n -- x ) ] map-index
- ! not using oxford comma for 2 objects: "a, or b"; instead it's "a or b"
- dup length 2 > ", " " " ? " "
- ] dip glue
-
- over length {
- { [ dup 0 = ] [ 3drop { "" } ] }
- { [ dup 1 = ] [ 2drop ] }
- [ drop [ unclip-last [
- dup length 1 - '[ _ - zero? [ ", " suffix ] unless ] map-index
- ] dip ] dip prefix suffix
- ]
- } cond ;
-
-: simple-comma-list ( parts conjunction -- parts' )
- [ drop 1array ] swap comma-list-by ;
+: comma-list ( parts conjunction -- clause-seq )
+ [
+ V{ } clone [
+ [ '[ ", " _ push ] ] [ '[ _ push ] ] bi interleave
+ ] keep { } like
+ ] dip over length dup 3 >= [
+ [ 3 > ", " " " ? " " surround ] [ 2 - pick set-nth ] bi
+ ] [ 2drop ] if ;
: or-markup-example ( classes -- markup )
- [ drop dup word? [
+ [
+ dup word? [
[ name>> a/an " " append ] [ \ $link swap 2array ] bi 2array
] [
[ "\"" ?head drop a/an ] keep 1array \ $snippet prefix " " swap 3array
] if
- ] "or" comma-list-by ;
+ ] map "or" comma-list ;
: $or-markup-example ( classes -- )
or-markup-example print-element ;