cs-lab34/main.cpp

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

using namespace std;

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

Input
input_data(istream& inn)
{

    bool prompt;
    int reshenie;
    cerr << "Show prompts? (1 for yes, 2 for no):";
    inn >> reshenie;
    if(reshenie == 1)
    {
        prompt = true;
    }
    else
    {
        prompt = false;
    }


    size_t number_count;
    if (prompt)
    {
        cerr << "Enter number count: ";
    }
    inn >> number_count;

    Input in;
    in.numbers.resize(number_count);

    vector<double> numbers(number_count);
    for (int i = 0; i < number_count; i++)
    {
        if (prompt)
        {
            cerr << "Number[" << i << "]=";
        }
        inn >> in.numbers[i];
    }

    if (prompt)
    {
        cerr << "Enter bin count: ";
    }
    inn >> in.bin_count;
    return in;
}
size_t write_data(void* ptr, size_t size, size_t nmemb, void* stream)
{
    size_t written = fwrite(ptr, size, nmemb, stdout);
    return written;
}

int main(int argc, char* argv[])
{
    if (argc > 1)
    {
        CURL* curl = curl_easy_init();
        if (curl)
        {
            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);

            CURLcode res = curl_easy_perform(curl);
            if (res != CURLE_OK)
            {
                cerr << "cURL error: " << curl_easy_strerror(res) << endl;
            }

            curl_easy_cleanup(curl);
        }
        else
        {
            cerr << "curl_easy_init() failed" << endl;
        }
        return 0;
    }
    curl_global_init(CURL_GLOBAL_ALL);
    auto in = input_data(cin);
    auto bins = make_histogram(in.numbers, in.bin_count);
    show_histogram_svg(bins);
    return 0;
}