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92 строки
2.2 KiB
C++
92 строки
2.2 KiB
C++
#include <iostream>
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#include <vector>
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#include <ctime>
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#include "histogram.hpp"
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#include "text.hpp"
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#include "svg.hpp"
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#include <sstream>
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#include "curl.hpp"
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#include <string>
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using namespace std;
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struct Input
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{
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vector<double> numbers;
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size_t bin_count{};
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};
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Input input_data(istream& in, bool prompt)
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{
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size_t number_count;
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if (prompt) {cerr << "Enter number count: ";}
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in >> number_count; // Кол-во чисел
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Input inp;
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inp.numbers.resize(number_count);
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for (size_t i = 0; i < number_count; i++)
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{
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if(prompt){cerr << "Enter number №" << i+1 << ": ";}
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in >> inp.numbers[i];
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}
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if(prompt){cerr << "Enter bin count: ";}
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in >> inp.bin_count;
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return inp;
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}
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size_t
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write_data(void* items, size_t item_size, size_t item_count, void* ctx)
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{
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size_t data_size = item_size * item_count;
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stringstream *buffer = reinterpret_cast<stringstream*>(ctx);
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(*buffer).write(reinterpret_cast<const char*>(items), data_size);
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return data_size;
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}
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size_t
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write_header(char* buffer, size_t size, size_t nitems, void* userdata)
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{
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cerr << "Headers: " << buffer << endl;
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return size * nitems;
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}
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Input
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download(const string& adress){
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curl_global_init(CURL_GLOBAL_ALL);
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stringstream buffer;
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CURL* curl = curl_easy_init();
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if(curl)
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{
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, adress.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
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curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_header);
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curl_easy_setopt(curl, CURLOPT_HEADERDATA, NULL);
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res = curl_easy_perform(curl);
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if (res != CURLE_OK)
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{
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cerr << curl_easy_strerror(res);
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exit(1);
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}
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curl_easy_cleanup(curl);
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}
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curl_global_cleanup();
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return input_data(buffer, false);
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}
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int main(int argc, char* argv[])
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{
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curl_global_init(CURL_GLOBAL_ALL);
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Input in;
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if (argc > 1)
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in = download(argv[1]);
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else
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in = input_data(cin, true);
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auto bins = make_histogram(in.numbers, in.bin_count);
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show_histogram_svg(bins);
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return 0;
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}
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