cs-lab34/main.cpp

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

using namespace std;

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

Input
input_data(istream& in_stream,bool prompt) {
    size_t number_count;
    Input in;

    if (prompt) cerr << "Enter number count: ";
    in_stream >> number_count;
    vector<double> numbers(number_count);

    in.numbers.resize(number_count);

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

    if (prompt) cerr << "Enter bins count and colors: ";
    in_stream >> in.bin_count;
    vector<string> colors(in.bin_count);
    in.colors.resize(in.bin_count);

    for (size_t i = 0; i < in.bin_count; i++) {
        in_stream >> in.colors[i];
        bool check = check_color(in.colors[i]);
        while (!check) {
        if (prompt) cerr << "Incorrect input. Color doesn't contain # or has spaces." << endl;
        in_stream >> in.colors[i];
        check = check_color(in.colors[i]);
        }
    }
    return in;
}

int main(int argc, char* argv[])
{
    if (argc > 1)
    {
        //cerr<<argc<<endl;
        //for (size_t i = 0; argv[i]; i++) cerr<<argv[i]<<endl;
        CURL* curl = curl_easy_init();
        if(curl) {
            CURLcode res;
            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
            res = curl_easy_perform(curl);
            curl_easy_cleanup(curl);
            if (res != CURLE_OK) {
                cout << curl_easy_strerror(res);
                exit(1);
            }
          }
        return 0;
    }
    curl_global_init(CURL_GLOBAL_ALL);
    auto in = input_data(cin,true);
    vector<size_t> bins = make_histogram(in.numbers, in.bin_count);
    //show_histogram_text(bins, in.bin_count);
    show_histogram_svg(bins, in.colors);
}