cs-lab34/main.cpp

#include <iostream>
#include <curl/curl.h>
#include <vector>
#include "histogram.h"
#include "text.h"
#include "svg.h"

using namespace std;

struct Input {
    std::vector<double> numbers;
    size_t bin_count{};
    size_t number_count{};
};

Input
input_data(istream& in, bool prompt) {
    Input local;

    size_t number_count;
    size_t bin_count;

    if (prompt) {
        cerr << "Enter number count: ";
    }
    in >> local.number_count;
    if (prompt) {
        cerr << "Enter bin count: ";
    }
    in >> local.bin_count;

    local.numbers.resize(local.number_count);

    for (size_t i = 0; i < local.number_count; i++) {
        in >> local.numbers[i];
    }

    return local;
};

int main(int argc, char* argv[]) {

    std::string fill = "red";
    std::string stroke = "#000000";

    curl_global_init(CURL_GLOBAL_ALL);

    if (argc > 1) {
        CURL *curl = curl_easy_init();
        if(curl) {
            CURLcode res;
            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
            res = curl_easy_perform(curl);

            if (res != CURLE_OK) {
                cerr << curl_easy_strerror(res);
                exit(1);
            }

            curl_easy_cleanup(curl);
        }
        return 0;
    }

    auto in = input_data(cin, true);
    auto bins = make_histogram(in.numbers, in.bin_count);
    show_histogram_svg(bins, fill, stroke);
    return 0;
}