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89 строки
2.0 KiB
C++
89 строки
2.0 KiB
C++
#include <iostream>
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#include <vector>
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#include "histogram.h"
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#include "text.h"
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#include "svg.h"
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#include <curl/curl.h>
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#include <sstream>
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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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size_t number_count{};
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size_t max_count{};
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};
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Input
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input_data(istream& stream, bool prompt)
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{
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size_t number_count;
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if (prompt)
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{
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cerr << "Enter number count: ";
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}
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stream >> number_count;
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Input in;
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if (prompt)
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{
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cerr << "Enter bin count: ";
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}
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stream >> in.bin_count;
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vector<double> numbers(in.number_count);
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in.numbers.resize(in.number_count);
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for (size_t i = 0; i < in.number_count; i++)
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{
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stream >> in.numbers[i];
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}
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size_t bin_count;
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size_t max_count;
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in.max_count = 0;
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return in;
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}
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size_t 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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auto text = reinterpret_cast<const char*>(items);
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buffer->write(text, data_size);
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return data_size;
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}
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Input download(const string& address)
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{
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stringstream buffer;
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curl_global_init(CURL_GLOBAL_ALL);
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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, address.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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res = curl_easy_perform(curl);
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if (res != CURLE_OK)
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{
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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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return input_data(buffer, false);
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}
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int main(int argc, char* argv[]){
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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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}
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auto bins = make_histogram(in.numbers, in.bin_count, in.number_count, in.max_count);
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vector<double> test;
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show_histogram_svg(bins, in.max_count, in.bin_count, test);
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return 0;
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}
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