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Move some of the JSON escape character matches under an appropriate guard

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Andrew Martin 2020-11-06 08:42:51 -05:00
parent 0c1b4da583
commit 8a1a082b53
1 changed files with 10 additions and 9 deletions
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7
src/Data/Bytes/Builder.hs
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@ -651,12 +651,13 @@ slicedUtf8TextJson !src# !soff0# !slen0# = fromFunction reqLen $ \dst doff0 -> d
then case indexChar8Array (ByteArray src#) soff of
'\\' -> write2 dst doff '\\' '\\' *> go (soff + 1) (slen - 1) (doff + 2)
'\"' -> write2 dst doff '\\' '\"' *> go (soff + 1) (slen - 1) (doff + 2)
c -> if c >= '\x20'
then PM.writeByteArray dst doff (c2w c) *> go (soff + 1) (slen - 1) (doff + 1)
else case c of
'\n' -> write2 dst doff '\\' 'n' *> go (soff + 1) (slen - 1) (doff + 2)
'\r' -> write2 dst doff '\\' 'r' *> go (soff + 1) (slen - 1) (doff + 2)
'\t' -> write2 dst doff '\\' 't' *> go (soff + 1) (slen - 1) (doff + 2)
c -> if c >= '\x20'
then PM.writeByteArray dst doff (c2w c) *> go (soff + 1) (slen - 1) (doff + 1)
else do
_ -> do
write2 dst doff '\\' 'u'
doff' <- UnsafeBounded.pasteST
(Bounded.word16PaddedUpperHex (fromIntegral (c2w c)))