void IO::TrimRight(std::basic_string<charType> & str, const char* chars2remove)
{
if (!str.empty()) { //trim the characters in chars2remove from the right
std::string::size_type pos = 0;
if (chars2remove != NULL) {
pos = str.find_last_not_of(chars2remove);
if (pos != std::string::npos)
str.erase(pos+1);
else
str.erase( str.begin() , str.end() ); // make empty
}
else { //trim space
pos = std::string::npos;
for (int i = str.size()-1; i >= 0; --i) {
if (!isspace(str[i])) {
pos = i;
break;
}
}
if (pos != std::string::npos) {
if (pos+1 != str.size())
str.resize(pos+1);
}
else {
str.clear();
}
}
}
}
static inline std::basic_string<_CharT, _Traits, _Alloc> rstrip(
const std::basic_string<_CharT, _Traits, _Alloc> &a,
const strip_t stripchars) {
typedef std::basic_string<_CharT, _Traits, _Alloc> str_t;
typename str_t::size_type p = a.find_last_not_of(stripchars);
if (p == str_t::npos) return "";
return a.substr(0, p + 1);
}
template<typename char_t> std::basic_string<char_t> trim(const std::basic_string<char_t>& what)
{
if ( what.empty() ) return what;
const char_t whitespace[3] = { char_t(' '), char_t('\t'), 0 };
size_t left = what.find_first_not_of(whitespace);
size_t right = what.find_last_not_of(whitespace);
if ( left == std::basic_string<char_t>::npos )
{
return std::basic_string<char_t>();
}
else
{
return what.substr(left, right-left+1);
}
}