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added some partial utf8 related primitives

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hyunghwan.chung
2018-06-17 17:41:04 +00:00
parent 16ebf93744
commit 8b7eebd654
29 changed files with 5005 additions and 7313 deletions
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19
moo/kernel/Collect.moo
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@ -298,6 +298,25 @@ class(#character,#final,#limited,#immutable) Symbol(String)
class(#byte) ByteArray(Array)
{
## TODO: is it ok for ByteArray to inherit from Array?
method decodeToCharacter
{
## TODO: support other encodings. it only supports utf8 as of now.
<primitive: #_utf8_to_uc>
self primitiveFailed(thisContext method).
(*
### TODO: implement this in moo also..
| firstByte |
firstByte := self at: 0.
if ((firstByte bitAnd:2r10000000) == 0) { 1 }
elsif (firstByte bitAnd:2r11000000) == 2r10000000) { 2 }
elsif (firstByte bitAnd:2r11100000) == 2r11000000) { 3 }
elsif (firstByte bitAnd:2r11110000) == 2r11100000) { 4 }
elsif (firstByte bitAnd:2r11111000) == 2r11110000) { 5 }
elsif (firstByte bitAnd:2r11111100) == 2r11111000) { 6 }.
*)
}
}
## -------------------------------------------------------------------------------