UTF-8 encode and decode: Difference between revisions
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(Scala solution added) |
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codePoint, Character.getName(codePoint), leftAlignedHex, s, utf8Decode(bytes)) |
codePoint, Character.getName(codePoint), leftAlignedHex, s, utf8Decode(bytes)) |
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}</lang> |
}</lang> |
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=== Functional solution=== |
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<lang scala>object UTF8EncodeAndDecode extends App { |
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val codePoints = Seq(0x0041, 0x00F6, 0x0416, 0x20AC, 0x1D11E) |
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def utf8Encode(codepoint: Int): Array[Byte] = |
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new String(Array[Int](codepoint), 0, 1).getBytes(StandardCharsets.UTF_8) |
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def utf8Decode(bytes: Array[Byte]): Int = |
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new String(bytes, StandardCharsets.UTF_8).codePointAt(0) |
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println("Char Name Unicode UTF-8 Decoded") |
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for (codePoint <- codePoints) { |
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val w = if (Character.isBmpCodePoint(codePoint)) 4 else 5 // Compute spacing |
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val bytes = utf8Encode(codePoint) |
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def leftAlignedHex: String = f"U+${codePoint}%04X" |
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def utf: String = bytes.foldLeft("")(_ + "%02X ".format(_)) |
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printf(s"%-${w}c %-36s %-7s %-${16 - w}s%c%n", |
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codePoint, Character.getName(codePoint), leftAlignedHex, utf, utf8Decode(bytes)) |
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} |
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println(s"\nSuccessfully completed without errors. [total ${scala.compat.Platform.currentTime - executionStart} ms]") |
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}<lang> |
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=={{header|Sidef}}== |
=={{header|Sidef}}== |
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