nstring CStringUtils::ToLowerCase(const nstring &str)
{
nova::nstringstream lower;
for(nova::nUInt32 i = 0; i < str.size(); ++i)
lower << (char)tolower(str[i]);
return lower.str();
}
nstring CStringUtils::ToUpperCase(const nstring &str)
{
nova::nstringstream upper;
for(nova::nUInt32 i = 0; i < str.size(); ++i)
upper << (char)toupper(str[i]);
return upper.str();
}