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/*Copyright (C) 2015 Olivier Delaneau, Halit Ongen, Emmanouil T. Dermitzakis
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.*/
#ifndef _STRING_UTILS_H
#define _STRING_UTILS_H
#include <sstream>
#include <iomanip>
#include <string>
#include <vector>
//using namespace std;
class string_utils {
public:
string_utils () {};
~string_utils () {};
int split(const string & str, vector < string > & tokens, string sep = " ", unsigned int n_max_tokens = 1000000) {
tokens.clear();
if (str == ""){
tokens.push_back("");
return tokens.size();
}
string::size_type p_last = str.find_first_not_of(sep, 0);
string::size_type p_curr = str.find_first_of(sep, p_last);
while ((string::npos != p_curr || string::npos != p_last) && tokens.size() < n_max_tokens) {
tokens.push_back(str.substr(p_last, p_curr - p_last));
p_last = str.find_first_not_of(sep, p_curr);
p_curr = str.find_first_of(sep, p_last);
}
if (tokens.back()[tokens.back().size()-1] == '\r') tokens.back() = tokens.back().substr(0, tokens.back().size()-1);
return tokens.size();
}
bool numeric(string & str) {
float n;
std::istringstream in(str);
if (!(in >> n)) return false;
return true;
}
template < class T >
string str(T n, int prec = -1) {
ostringstream ss( stringstream::out );
if (prec >= 0) { ss << setiosflags( ios::fixed ); ss.precision(prec); }
ss << n;
return ss.str();
}
template < class T >
string str(vector < T > & v, int prec = -1) {
ostringstream ss( stringstream::out );
if (prec >= 0) { ss << setiosflags( ios::fixed ); ss.precision(prec); }
for (int e = 0 ; e < v.size() ; e ++) ss << (e>0?" ":"") << v[e] ;
return ss.str();
}
};
#endif
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