cs-lab34/main.cpp

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

using namespace std;

struct Input {
    vector<double> numbers;
    size_t bin_count{};
    string stroke;
    string fill;
};

Input
input_data(istream& Newcin, bool prompt){
    size_t number_count;
    cerr << "Enter number count: ";
    cin >> number_count;
    if (prompt){
        cerr << "Prompt" << endl;
    }
    Input in;
    in.numbers.resize(number_count);
    cerr << "Enter numbers: ";
    for (size_t i = 0; i < number_count; i++) {
        cin >> in.numbers[i];
    }
    cerr << "Enter bin count: ";
    cin >> in.bin_count;
    cerr << "Enter stroke in format RGB: ";
    cin >> in.stroke;
    cerr << "Enter fill in format RGB: ";
    cin >> in.fill;
    return in;
}

Input
download(const string& address) {
    curl_global_init(CURL_GLOBAL_ALL);
    stringstream buffer;
    CURL *curl = curl_easy_init();
    if(curl) {
        CURLcode res;
        curl_easy_setopt(curl, CURLOPT_URL, address);
        res = curl_easy_perform(curl);
        if (res != 0){
            cout << curl_easy_strerror(res);
            exit(1);
        }
    }
    curl_easy_cleanup(curl);
    return input_data(buffer, false);
}

size_t
write_data(void* items, size_t item_size, size_t item_count, void* ctx) {

    return 0;
}

int
main(int argc, char* argv[]) {
    Input input;
    if (argc > 1) {
        input = download(argv[1]);
    } else {
        input = input_data(cin, true);
    }

    const auto bins = make_histogram(input.numbers, input.bin_count);
    show_histogram_svg(bins);
}