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|
(.module:
[library
[lux "*"
["@" target]
["." ffi {"+" [import:]}]
[control
["." function]]
[data
["." product]
[text
["%" format {"+" [format]}]]
[collection
["." array]
["." row {"+" [Row]} ("#\." mix)]]]
[math
[number
["n" nat]]]
[type
abstract]]]
["." //])
(with_expansions [<jvm> (as_is (import: java/lang/CharSequence)
(import: java/lang/Appendable
["#::."
(append [java/lang/CharSequence] java/lang/Appendable)])
(import: java/lang/String
["#::."
(new [int])
(toString [] java/lang/String)])
(import: java/lang/StringBuilder
["#::."
(new [int])
(toString [] java/lang/String)]))]
(`` (for {@.old (as_is <jvm>)
@.jvm (as_is <jvm>)
@.js (as_is (import: (JS_Array a)
["#::."
(push [a] a)
(join [Text] Text)]))
@.lua (as_is (import: (table/concat [(array.Array Text) Text] Text))
...https://www.lua.org/manual/5.3/manual.html#pdf-table.concat
(import: (table/insert [(array.Array Text) Text] "?" Nothing))
... https://www.lua.org/manual/5.3/manual.html#pdf-table.insert
)}
(as_is))))
(`` (abstract: .public Buffer
{}
(for {@.old [Nat (-> java/lang/StringBuilder java/lang/StringBuilder)]
@.jvm [Nat (-> java/lang/StringBuilder java/lang/StringBuilder)]
@.js [Nat (-> (JS_Array Text) (JS_Array Text))]
@.lua [Nat (-> (array.Array Text) (array.Array Text))]}
... default
(Row Text))
(def: .public empty
Buffer
(:abstraction (with_expansions [<jvm> [0 function.identity]]
(for {@.old <jvm>
@.jvm <jvm>
@.js [0 function.identity]
@.lua [0 function.identity]}
... default
row.empty))))
(def: .public (then chunk buffer)
(-> Text Buffer Buffer)
(with_expansions [<jvm> (let [[capacity transform] (:representation buffer)
then! (: (-> Text java/lang/StringBuilder java/lang/StringBuilder)
(function (_ chunk builder)
(exec
(java/lang/Appendable::append (:as java/lang/CharSequence chunk)
builder)
builder)))]
(:abstraction [(n.+ (//.size chunk) capacity)
(|>> transform (then! chunk))]))]
(for {@.old <jvm>
@.jvm <jvm>
@.js (let [[capacity transform] (:representation buffer)
then! (: (-> (JS_Array Text) (JS_Array Text))
(function (_ array)
(exec
(JS_Array::push [chunk] array)
array)))]
(:abstraction [(n.+ (//.size chunk) capacity)
(|>> transform then!)]))
@.lua (let [[capacity transform] (:representation buffer)
then! (: (-> (array.Array Text) (array.Array Text))
(function (_ array)
(exec
(table/insert [array chunk])
array)))]
(:abstraction [(n.+ (//.size chunk) capacity)
(|>> transform then!)]))}
... default
(|> buffer :representation (row.suffix chunk) :abstraction))))
(def: .public size
(-> Buffer Nat)
(with_expansions [<jvm> (|>> :representation product.left)]
(for {@.old <jvm>
@.jvm <jvm>
@.js <jvm>
@.lua <jvm>}
... default
(|>> :representation
(row\mix (function (_ chunk total)
(n.+ (//.size chunk) total))
0)))))
(def: .public (text buffer)
(-> Buffer Text)
(with_expansions [<jvm> (let [[capacity transform] (:representation buffer)]
(|> (java/lang/StringBuilder::new (.int capacity))
transform
java/lang/StringBuilder::toString))]
(for {@.old <jvm>
@.jvm <jvm>
@.js (let [[capacity transform] (:representation buffer)]
(|> (array.empty 0)
(:as (JS_Array Text))
transform
(JS_Array::join [""])))
@.lua (let [[capacity transform] (:representation buffer)]
(table/concat [(transform (array.empty 0)) ""]))}
... default
(row\mix (function (_ chunk total)
(format total chunk))
""
(:representation buffer)))))
))
|
