From f4e57f86d7429786380bafd53b9423ac0b8528a8 Mon Sep 17 00:00:00 2001
From: YusufovYB <YusufovYB@mpei.ru>
Date: Sun, 4 Jun 2023 19:12:20 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
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---
 main.cpp | 72 +++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 43 insertions(+), 29 deletions(-)

diff --git a/main.cpp b/main.cpp
index 6eb4f67..2fe2f31 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,26 +1,24 @@
-#include "svg.h"
 #include <iostream>
+#include <sstream>
 #include <vector>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 #include <curl/curl.h>
-using namespace std;
 
+using namespace std;
 struct Input {
     vector<double> numbers;
     size_t bin_count{};
 };
-
-Input input_data(istream& in, bool prompt)
-{
+Input
+input_data(istream& in, bool prompt){
     size_t number_count;
-    if (prompt)
-        cerr << "Enter number count = ";
-
+    if (prompt)cerr << "Enter number count =  ";
     in >> number_count;
+
     Input inn;
     inn.numbers.resize(number_count);
-
     for (size_t i = 0; i < number_count; i++)
     {
         in >> inn.numbers[i];
@@ -30,29 +28,47 @@ Input input_data(istream& in, bool prompt)
     in >> inn.bin_count;
     return inn;
 }
+size_t
+write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    size_t data_size = item_size * item_count;
+    (*buffer).write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
+}
+Input
+download(const string& address) {
+    stringstream buffer;
+    CURL* curl = curl_easy_init();
+        if (curl) {
+            curl_version_info_data *dataCV = curl_version_info(CURLVERSION_NOW);
+            cerr << "SSL version = "<< dataCV->ssl_version << endl;
+            cerr << "Curl version = " << dataCV->version << endl;
+            CURLcode res;
+            curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+            curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+            curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+            res = curl_easy_perform(curl);
+            if (res != CURLE_OK) {
+                cerr << curl_easy_strerror(res);
+                exit(1);
+            }
+            curl_easy_cleanup(curl);
+        }
+    return input_data(buffer,false);
+}
 
-int main(int argc, char*argv[]) {
-    curl_global_init(CURL_GLOBAL_ALL);
-    if (argc > 1)
-  {
-            CURL *curl = curl_easy_init();
-    if(curl) {
-    CURLcode res;
-    curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
-    res = curl_easy_perform(curl);
-    if(res != 0){
-        cout <<  curl_easy_strerror(res);
-        exit(1);
-    }
-    curl_easy_cleanup(curl);
+int main(int argc, char* argv[]){
+    Input in;
+    if (argc > 1) {
+        in = download(argv[1]);
+    } else {
+        in = input_data(cin,true);
     }
-  }
-
-    auto in = input_data(cin, true);
+    curl_global_init(CURL_GLOBAL_ALL);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
 
-    return 0;
+    return(0);
 }
 
 
@@ -69,5 +85,3 @@ int main(int argc, char*argv[]) {
 
 
 
-
-