Anonymous user
UTF-8 encode and decode: Difference between revisions
Scala solution added
Thundergnat (talk | contribs) m (→{{header|Perl 6}}: Added a multibyte emoji character to example.) |
(Scala solution added) |
||
Line 828:
#\€ € (e2 82 ac) € EURO-SIGN
#\𝄞 𝄞 (f0 9d 84 9e) 𝄞 MUSICAL-SYMBOL-G-CLEF</pre>
=={{header|Scala}}==
=== Imperative solution===
<lang scala>object UTF8EncodeAndDecode extends App {
val codePoints = Seq(0x0041, 0x00F6, 0x0416, 0x20AC, 0x1D11E)
def utf8Encode(codepoint: Int): Array[Byte] =
new String(Array[Int](codepoint), 0, 1).getBytes(StandardCharsets.UTF_8)
def utf8Decode(bytes: Array[Byte]): Int =
new String(bytes, StandardCharsets.UTF_8).codePointAt(0)
println("Char Name Unicode UTF-8 Decoded")
for (codePoint <- codePoints) {
val w = if (Character.isBmpCodePoint(codePoint)) 4 else 5 // Compute spacing
val bytes = utf8Encode(codePoint)
def leftAlignedHex = f"U+${codePoint}%04X"
val s = new StringBuilder()
bytes.foreach(byte => s ++= "%02X ".format(byte))
printf(s"%-${w}c %-36s %-7s %-${16 - w}s%c%n",
codePoint, Character.getName(codePoint), leftAlignedHex, s, utf8Decode(bytes))
}</lang>
=={{header|Sidef}}==
| |||