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stringtotokens.cpp    51 lines (45 with data), 1.7 kB

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/* Copyright (C) 2015 J.F.Dockes
* 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 2 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, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stringtotokens.h"
using namespace std;
void stringToTokens(const string& str, vector<string>& tokens,
const string& delims, bool skipinit)
{
string::size_type startPos = 0, pos;
if (skipinit &&
// Skip initial delims, return empty if this eats all.
(startPos = str.find_first_not_of(delims, 0)) == string::npos) {
return;
}
while (startPos < str.size()) {
// Find next delimiter or end of string (end of token)
pos = str.find_first_of(delims, startPos);
// Add token to the vector and adjust start
if (pos == string::npos) {
tokens.push_back(str.substr(startPos));
break;
} else if (pos == startPos) {
// Dont' push empty tokens after first
if (tokens.empty())
tokens.push_back(string());
startPos = ++pos;
} else {
tokens.push_back(str.substr(startPos, pos - startPos));
startPos = ++pos;
}
}
}