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114 строки
2.9 KiB
C++
114 строки
2.9 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 <sstream>
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#include <string>
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#include <curl/curl.h>
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using namespace std;
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struct Input{
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vector<double> numbers;
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size_t bin_count{};
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};
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Input
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input_data(istream& in, bool prompt=false)
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{
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Input inn;
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size_t number_count;
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if (prompt){
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cerr << "Enter count, numbers and bin_count\n";
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}
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in >> number_count;
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inn.numbers.resize(number_count);
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vector<double> numbers(number_count);
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for (size_t i=0; i< number_count; i++) {
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in >> inn.numbers[i];
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}
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in >> inn.bin_count;
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return inn;
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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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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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Input download(const string& address, bool verbose) { //äîáàâëåí ïàðàìåòð 'verbose'
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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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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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if (verbose){ //äîáàâëåíî âêëþ÷åíèå ïîäðîáíîãî âûâîäà, åñëè çàäàí ôëàã
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curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
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}
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CURLcode res = curl_easy_perform(curl);
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if (res != CURLE_OK) {
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cerr << "cURL error: " << curl_easy_strerror(res) << endl;
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curl_easy_cleanup(curl);
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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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else {
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cerr << "curl_easy_init() failed" << endl;
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exit(1);
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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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{
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//äîáàâëåíà ïåðåìåííàÿ-ôëàã è URL
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bool verbose = false;
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string url;
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//äîáàâëåí ðàçáîð àðãóìåíòîâ
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for(int i=1; i<argc; ++i){
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string arg = argv[i];
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if (arg == "-verbose"){
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verbose =true;
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}
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else if (arg[0] == '-'){
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cerr << "Unknow option: " << arg << endl;
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cerr << "Usage: " << argv[0] << "[-verbose] <url>" << endl;
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return 1;
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}
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else{
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url = arg;
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}
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}
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Input inn;
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// èçìåíåí âûçîâ íà verbose download
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//if (argc > 1) {
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// inn = download(argv[1]);
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//}
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if (!url.empty()){
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inn = download(url, verbose);
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}
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else {
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inn = input_data(cin, true);
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}
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const auto bins = make_histogram(inn.numbers, inn.bin_count);
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show_histogram_svg(bins);
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return 0;
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}
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// Çàùèòà âàðèàíò 10
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// Äîáàâüòå ïðîãðàììå îïöèþ -verbose, ïðè óêàçàíèè êîòîðîé íóæíî âêëþ÷àòü îòëàäî÷íûé âûâîä
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// cURL ñ ïîìîùüþ CURLOPT_VERBOSE. Îïöèÿ ìîæåò ñòîÿòü äî èëè ïîñëå URL:
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// lab34.exe -verbose http://... èëè lab04.exe http://... -verbose
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