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fixed bugs in implementation of utf8Chars()

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HW
2013-09-03 16:54:06 +02:00
parent 61c232e0e9
commit 25faf7e1a4
1 changed files with 3 additions and 3 deletions
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6
frontend/ui/rendertext.lua
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@@ -41,16 +41,16 @@ local function utf8Chars(input)
if string.len(input) < (pos + bytes_left - 1) then
return pos+1, 0xFFFD, "\xFF\xFD"
end
for i = pos+1, pos+bytes_left do
for i = pos+1, pos + bytes_left do
value = string.byte(input, i)
if bit.band(value, 0xC0) == 0x80 then
glyph = bit.bor(lshift(glyph, 6), bit.band(value, 0x3F))
glyph = bit.bor(bit.lshift(glyph, 6), bit.band(value, 0x3F))
else
return i+1, 0xFFFD, "\xFF\xFD"
end
end
-- TODO: check for valid ranges here!
return pos, glyph, string.sub(input, pos, pos+bytes_left)
return pos+bytes_left+1, glyph, string.sub(input, pos, pos+bytes_left)
end
end
return read_next_glyph, input, 1