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add a function detecting illegal unicode in html

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This commit is contained in:
Lu Wang 2012-08-17 15:25:10 +08:00
parent d876a2319a
commit 1ac1780696
1 changed files with 22 additions and 0 deletions
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22
src/util.h
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@ -43,6 +43,28 @@ static inline bool _tm_equal(const double * tm1, const double * tm2, int size =
return true;
}
/*
* http://en.wikipedia.org/wiki/HTML_decimal_character_rendering
*/
static inline bool isLegalUnicode(Unicode u)
{
/*
if((u == 9) || (u == 10) || (u == 13))
return true;
*/
if(u <= 31)
return false;
if((u >= 127) && (u <= 159))
return false;
if((u >= 0xd800) && (u <= 0xdfff))
return false;
return true;
}
static inline void outputUnicodes(std::ostream & out, const Unicode * u, int uLen)
{
for(int i = 0; i < uLen; ++i)