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Fix #11171 is_valid_char #11175

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May 7, 2015
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Fix #11171 is_valid_char #11175

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7 changes: 4 additions & 3 deletions base/utf8proc.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,10 @@ export normalize_string, graphemes, is_valid_char, is_assigned_char, charwidth,
islower, isupper, isalpha, isdigit, isnumber, isalnum,
iscntrl, ispunct, isspace, isprint, isgraph, isblank

# whether codepoints are valid Unicode
is_valid_char(c::Union(UInt8,UInt16,UInt32,Char)) = ccall(:utf8proc_codepoint_valid, Cuchar, (UInt32,), c)!=0
is_valid_char(c::Integer) = (0x0 <= c <= 0x110000) && is_valid_char(UInt32(c))
# whether codepoints are valid Unicode scalar values, i.e. 0-0xd7ff, 0xe000-0x10ffff
is_valid_char(ch::Unsigned) = !Bool((ch-0xd800<0x800)|(ch>0x10ffff))
is_valid_char(ch::Integer) = is_valid_char(Unsigned(ch))
is_valid_char(ch::Char) = is_valid_char(UInt32(ch))

# utf8 category constants
const UTF8PROC_CATEGORY_CN = 0
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