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|
(.require
[library
[lux (.except)
["[0]" ffi (.only import)]
[control
["[0]" function]]
[data
["[0]" product]
[text
["%" \\format (.only format)]]
[collection
["[0]" array]
["[0]" sequence (.only Sequence) (.use "[1]#[0]" mix)]]]
[math
[number
["n" nat]]]
[meta
[type
["[0]" nominal (.except def)]]
[compiler
["@" target]]]]]
["[0]" //])
(with_expansions [<jvm> (these (import java/lang/CharSequence
"[1]::[0]")
(import java/lang/Appendable
"[1]::[0]"
(append [java/lang/CharSequence] java/lang/Appendable))
(import java/lang/String
"[1]::[0]"
(new [int])
(toString [] java/lang/String))
(import java/lang/StringBuilder
"[1]::[0]"
(new [int])
(toString [] java/lang/String)))]
(`` (for @.old (these <jvm>)
@.jvm (these <jvm>)
@.js (these (import (JS_Array a)
"[1]::[0]"
(push [a] a)
(join [Text] Text)))
@.lua (these (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
)
(these))))
(`` (nominal.def .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
(Sequence 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
sequence.empty))))
(def .public (then chunk buffer)
(-> Text Buffer Buffer)
(with_expansions [<jvm> (let [[capacity transform] (representation buffer)
then! (is (-> 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! (is (-> (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! (is (-> (array.Array Text) (array.Array Text))
(function (_ array)
(exec
(table/insert array chunk)
array)))]
(abstraction [(n.+ (//.size chunk) capacity)
(|>> transform then!)]))
... default
(|> buffer representation (sequence.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
(sequence#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 (ffi.as_int (.int capacity)))
transform
java/lang/StringBuilder::toString
ffi.of_string))]
(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
(sequence#mix (function (_ chunk total)
(format total chunk))
""
(representation buffer)))))
))
|
