cs-lab34.2/main.cpp

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

using namespace std;

struct Input {
    vector<double> vec;
    size_t korz{};
};

Input input_data(istream &in, bool prompt) {
    Input data;
    size_t n, korz;

    if (prompt) {
        cerr << "Number of elements: ";
    }
    in >> n;
    data.vec.resize(n);

    if (prompt) {
        cerr << "Elements: ";
    }
    for (size_t i = 0; i < n; i++) {
        in >> data.vec[i];
    }

    if (prompt) {
        cerr << "Enter bin count: ";
    }
    in >> korz;
    data.korz = korz;

    return data;
}

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

    if (argc > 1) {
        const char *url = argv[1];

        CURL *curl = curl_easy_init();
        if (curl) {
            curl_easy_setopt(curl, CURLOPT_URL, url);

            CURLcode res = curl_easy_perform(curl);
            if (res != CURLE_OK) {
                cerr << "curl_easy_perform() failed: " << curl_easy_strerror(res) << endl;
                exit(1);
            }

            curl_easy_cleanup(curl);
        }

        return 0;
    }

    auto in_with_prompt = input_data(cin, true);
    auto bins_with_prompt = make_histogram(in_with_prompt.korz, in_with_prompt.vec);
    show_histogram_svg(bins_with_prompt);

    return 0;
}