spritesheet packer( https://spritesheetpacker.codeplex.com ) が吐き出すテキストの処理

example.txt

0 = 0 0 160 160
1 = 163 0 160 160
10 = 326 0 160 160
11 = 0 163 160 160
12 = 163 163 160 160
13 = 0 326 160 160
14 = 163 326 160 160
15 = 326 163 160 160
16 = 326 326 160 160
17 = 489 0 160 160
18 = 489 163 160 160
19 = 652 0 160 160
2 = 489 326 160 160
20 = 652 163 160 160
21 = 652 326 160 160
22 = 0 489 160 160
23 = 0 652 160 160
24 = 163 489 160 160
3 = 163 652 160 160
4 = 326 489 160 160
5 = 326 652 160 160
6 = 489 489 160 160
7 = 652 489 160 160
8 = 489 652 160 160
9 = 652 652 160 160

parse-spritesheet.cpp

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <array>
#include <sstream>
#include <algorithm>

using namespace std;

typedef struct {
    string name;
    int x, y, width, height;
} Frame;

int main(int argc, char* argv[]) {
    if (argc != 2) {
        cout << "Usage: " << string(argv[0]) << " ./filename" << endl;
    }

    vector<Frame> frames;
    string line;
    ifstream ifs(argv[1]);
    while(ifs && getline(ifs, line)) {
        stringstream lineStream(line);
        string left, right;
        getline(lineStream, left, '=');
        getline(lineStream, right, '=');
        
        Frame frame;
        frame.name = left;

        string param;
        array<int, 4> params;
        stringstream rightstream(right);
        int i = 0;
        while(i < 4 && getline(rightstream, param, ' ')) {
            bool isnum = all_of(param.begin(), param.end(), isdigit);
            if (isnum && param.size() > 0) { 
                params[i] = stoi(param);
                i++;
            }
        }
        frame.x = params[0];
        frame.y = params[1];
        frame.width = params[2];
        frame.height = params[3];

        frames.push_back(frame);
    }

    for(auto frame : frames) {
        cout << frame.name << endl;
        cout << frame.x << endl;
        cout << frame.y << endl;
        cout << frame.width << endl;
        cout << frame.height << endl;
        cout << "---" << endl;
    }
}