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DMBS: tiny fix [#CONV-4143].

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This commit is contained in:
Evgeniy Gatov 2013-04-18 11:49:46 +00:00
parent d211d5b185
commit f94cc9d9c6
1 changed files with 15 additions and 21 deletions
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36
dbms/include/DB/Common/escapeForFileName.h
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@ -30,6 +30,19 @@ inline std::string escapeForFileName(const std::string & s)
return res;
}
inline char unhex(char c)
{
switch (c)
{
case '0' ... '9':
return c - '0';
case 'A' ... 'F':
return c - 'A' + 10;
default:
return 0;
}
}
inline std::string unescapeForFileName(const std::string & s)
{
std::string res;
@ -48,31 +61,12 @@ inline std::string unescapeForFileName(const std::string & s)
if (++pos == end) break;
c = *pos;
char val = 0;
switch (c)
{
case '0' ... '9':
val = (c - '0') * 16;
break;
case 'A' ... 'F':
val = (c - 'A' + 10) * 16;
break;
};
char val = unhex(val) * 16;
if (++pos == end) break;
c = *pos;
switch (c)
{
case '0' ... '9':
val += (c - '0');
break;
case 'A' ... 'F':
val += c - 'A' + 10;
break;
};
res += val;
res += unhex(val);
}
++pos;