From 9b43733affa24437ea740c2bf8a7ae1c6e5ffa32 Mon Sep 17 00:00:00 2001
From: "Lab4 (ChaginSA)" <ChaginSA@mpei.ru>
Date: Sun, 4 Jun 2023 19:32:24 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D1=80=D0=B0=D0=B1=D0=BE=D1=82=D0=B0=20?=
 =?UTF-8?q?=D1=81=20=D0=B1=D1=83=D1=84=D0=B5=D1=80=D0=BE=D0=BC?=
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---
 main.cpp | 59 +++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 39 insertions(+), 20 deletions(-)

diff --git a/main.cpp b/main.cpp
index c54c857..e643dcf 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,10 +1,11 @@
 #include <iostream>
 #include <vector>
-
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
 #include <curl/curl.h>
+#include <sstream>
+#include <string>
 
 using namespace std;
 
@@ -47,32 +48,50 @@ inp >> in.bin_count;
     return in;
 }
 
+size_t write_data (void* items, size_t item_size, size_t item_count, void* ctx) {
 
+    size_t data_size = item_size * item_count;
 
-int main(int argc, char* argv[])
-{
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
 
-    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);
+    return data_size;
+}
+
+Input
+download(const string& address) {
+    stringstream buffer;
+
+    CURL* curl = curl_easy_init();
+    if (curl){
+        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 != 0) {
+            cout << curl_easy_strerror(res);
+            exit(1);
         }
-    return 0;
+
+
+        curl_easy_cleanup(curl);
     }
 
- curl_global_init(CURL_GLOBAL_ALL);
+    return input_data(buffer, false);
+}
+
+
+int main(int argc, char* argv[])
+{
+    Input in;
+    if (argc > 1) {
+        in = download(argv[1]);
+        }
+    else {
+        in = input_data(cin, true);
+    }
 
-unsigned int  n;
-bool prompt=true;
-auto in = input_data(cin, prompt);
-double min,max;
 auto  bins = make_histogram(in.numbers, in.bin_count);
 
 show_histogram_svg ( bins );