1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
|
#include <iostream>
#include <string>
#include <vector>
/* Parse a string into smaller pieces broken down by a marker.
* Assumes that no marker exists at the beginning or end of list.
* Example parse: split("Hello,Joe,123", ",") would result:
* answer[0] = "Hello"
* answer[1] = "Joe"
* answer[2] = "123"
*/
std::vector<std::string> split(std::string &str, std::string marker) {
std::vector<std::string> answer;
int pos = 0;
int newPos = 1;
while (newPos != std::string::npos) {
newPos = str.find(marker, pos);
//If a marker was not found, or if we are at the end of file,
//this is our last vector value
if (newPos == std::string::npos) {
answer.push_back(str.substr(pos, str.length()));
return answer;
}
//If we are here, we found a marker
answer.push_back(str.substr(pos, newPos));
//Reset the starting position equal to the next position after marker
pos = newPos + 1;
}
return answer;
}
int main() {
std::string tmp1 = "Hello,Joe,123";
std::vector<std::string> newStr = split(tmp1, ",");
for (int i=0; i<newStr.size(); i++)
std::cout << newStr[i] << std::endl;
return 0;
}
|