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/*
* Copyright 2011, Ben Langmead <langmea@cs.jhu.edu>
*
* This file is part of Bowtie 2.
*
* Bowtie 2 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.
*
* Bowtie 2 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 Bowtie 2. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TOKENIZE_H_
#define TOKENIZE_H_
#include <ctype.h>
#include <string>
#include <sstream>
#include <limits>
using namespace std;
/**
* Split string s according to given delimiters. Mostly borrowed
* from C++ Programming HOWTO 7.3.
*/
template<typename T>
static inline void tokenize(
const string& s,
const string& delims,
T& ss,
size_t max = std::numeric_limits<size_t>::max())
{
//string::size_type lastPos = s.find_first_not_of(delims, 0);
string::size_type lastPos = 0;
string::size_type pos = s.find_first_of(delims, lastPos);
while (string::npos != pos || string::npos != lastPos) {
if (pos == string::npos) {
pos = s.size();
}
string::size_type rtrim = pos;
while (isspace(s[lastPos])) lastPos++;
while (rtrim > 0 && isspace(s[rtrim - 1])) rtrim--;
ss.push_back(s.substr(lastPos, rtrim - lastPos));
lastPos = s.find_first_not_of(delims, pos);
pos = s.find_first_of(delims, lastPos);
if(ss.size() == (max - 1)) {
pos = string::npos;
}
}
}
template<typename T>
static inline void tokenize(const std::string& s, char delim, T& ss) {
std::string token;
std::istringstream iss(s);
while(getline(iss, token, delim)) {
ss.push_back(token);
}
}
#endif /*TOKENIZE_H_*/
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