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|
(.module:
[library
[lux #*
["@" target]
["." ffi]
[abstract
[codec (#+ Codec)]]
[control
["." try (#+ Try)]]
[data
["." binary (#+ Binary)]]]]
["." //])
(with_expansions [<jvm> (as_is (ffi.import: java/lang/String
["#::."
(new [[byte] java/lang/String])
(getBytes [java/lang/String] [byte])]))]
(for {@.old (as_is <jvm>)
@.jvm (as_is <jvm>)
@.js
(as_is (ffi.import: Uint8Array)
... On Node
(ffi.import: Buffer
["#::."
(#static from #as from|encoded [ffi.String ffi.String] Buffer)
(#static from #as from|decoded [Uint8Array] Buffer)
(toString [ffi.String] ffi.String)])
... On the browser
(ffi.import: TextEncoder
["#::."
(new [ffi.String])
(encode [ffi.String] Uint8Array)])
(ffi.import: TextDecoder
["#::."
(new [ffi.String])
(decode [Uint8Array] ffi.String)]))
@.ruby
(as_is (ffi.import: String #as RubyString
["#::."
(encode [Text] RubyString)
(force_encoding [Text] Text)
(bytes [] Binary)])
(ffi.import: Array #as RubyArray
["#::."
(pack [Text] RubyString)]))
@.php
(as_is (ffi.import: Almost_Binary)
(ffi.import: (unpack [ffi.String ffi.String] Almost_Binary))
(ffi.import: (array_values [Almost_Binary] Binary))
(def: php_byte_array_format "C*"))
@.scheme
... https://srfi.schemers.org/srfi-140/srfi-140.html
(as_is (ffi.import: (string->utf8 [Text] Binary))
(ffi.import: (utf8->string [Binary] Text)))}
(as_is)))
(def: (encoded value)
(-> Text Binary)
(for {@.old
(java/lang/String::getBytes (//.name //.utf_8)
... TODO: Remove coercion below.
... The coercion below may seem
... gratuitous, but removing it
... causes a grave compilation problem.
(:as java/lang/String value))
@.jvm
(java/lang/String::getBytes (//.name //.utf_8) value)
@.js
(cond ffi.on_nashorn?
(:as Binary ("js object do" "getBytes" value ["utf8"]))
ffi.on_node_js?
(|> (Buffer::from|encoded [value "utf8"])
... This coercion is valid as per NodeJS's documentation:
... https://nodejs.org/api/buffer.html#buffer_buffers_and_typedarrays
(:as Uint8Array))
... On the browser
(|> (TextEncoder::new [(//.name //.utf_8)])
(TextEncoder::encode [value]))
)
@.python
(:as Binary ("python apply" (:expected ("python constant" "bytearray")) value "utf-8"))
@.lua
("lua utf8 encode" value)
@.ruby
(|> value
(:as RubyString)
(RubyString::encode ["UTF-8"])
(RubyString::bytes []))
@.php
(|> (..unpack [..php_byte_array_format value])
..array_values
("php object new" "ArrayObject")
(:as Binary))
@.scheme
(..string->utf8 value)}))
(def: (decoded value)
(-> Binary (Try Text))
(with_expansions [<jvm> (#try.Success (java/lang/String::new value (//.name //.utf_8)))]
(for {@.old <jvm>
@.jvm <jvm>
@.js
(cond ffi.on_nashorn?
(|> ("js object new" ("js constant" "java.lang.String") [value "utf8"])
(:as Text)
#try.Success)
ffi.on_node_js?
(|> (Buffer::from|decoded [value])
(Buffer::toString ["utf8"])
#try.Success)
... On the browser
(|> (TextDecoder::new [(//.name //.utf_8)])
(TextDecoder::decode [value])
#try.Success))
@.python
(try (:as Text ("python object do" "decode" (:expected value) "utf-8")))
@.lua
(#try.Success ("lua utf8 decode" value))
@.ruby
(|> value
(:as RubyArray)
(RubyArray::pack ["C*"])
(:as RubyString)
(RubyString::force_encoding ["UTF-8"])
#try.Success)
@.php
(|> value
("php pack" ..php_byte_array_format)
#try.Success)
@.scheme
(|> value
..utf8->string
#try.Success)})))
(implementation: .public codec
(Codec Binary Text)
(def: encoded ..encoded)
(def: decoded ..decoded))
|
