ClickHouse/dbms/include/DB/Common/escapeForFileName.h
2011-11-05 23:31:19 +00:00

32 lines
484 B
C++

#pragma once
#include <string>
inline std::string escapeForFileName(const std::string & s)
{
std::string res;
const char * pos = s.data();
const char * end = pos + s.size();
static const char * hex = "0123456789ABCDEF";
while (pos != end)
{
char c = *pos;
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || (c == '_'))
res += c;
else
{
res += '%';
res += hex[c / 16];
res += hex[c % 16];
}
++pos;
}
return res;
}