C++ consolas.fnt parser

parse_consolas.cpp

#include <SDL2/SDL.h>
// #include <SDL2/SDL_image.h>
#include <iostream>
#include <vector>
#include <string>
#include <fstream>
#include <stdio.h>
#include <regex>

struct Glyph
{
    int id, x, y, width, height, xoffset, yoffset, xadvance, page, chnl;
};

std::vector<std::string> elements = {"id", "x", "y", "width", "height", "xoffset", "yoffset", "xadvance", "page", "chnl"};
std::vector<Glyph> glyphlist;


void print_glyph(Glyph g){
    std::cout << "g.id: " << g.id << std::endl;
    std::cout << "g.width: " << g.width << std::endl;
};


int get_line_data(std::string input, std::string pattern) {
    int rval = 0;
    const std::regex r(pattern);
    std::smatch m;
    if (std::regex_search(input, m, r)) { rval = std::stoi(m[1].str()); }
    return rval;
};

void load_font_file(){

    auto numregex = [](std::string item) { return item + R"(="(\d*)" ")"; };

    std::ifstream file ("res/consolas.fnt");
    std::string s;

    // skip first few lines
    for (int i = 0; i <= 6; i++) getline(file, s);

    getline(file, s);
    int numchars = get_line_data(s, numregex("count")); 
    for (int i=0; i < numchars; i++){
        getline(file, s);
        int gp[10] = {};
        for (int j=0; j < 10; j++) 
            gp[j] = get_line_data(s, numregex(elements[j]));

        Glyph glyph_char = {gp[0], gp[1], gp[2], gp[3], gp[4], gp[5], gp[6], gp[7], gp[8], gp[9]};
        glyphlist.push_back(glyph_char);

    }

    print_glyph(glyphlist[4]);
    file.close();

};

int main(int argc, char* args[])
{
    load_font_file();
 
    while(1){}

    return 0;
}