From ff58c6a0ef78568a90e1986b8daa752ff1661828 Mon Sep 17 00:00:00 2001
From: EfimovaLA <YefimovaLA@mpei.ru>
Date: Sun, 2 Jun 2024 20:41:46 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D1=81=D0=BE=D1=85=D1=80=D0=B0=D0=BD?=
 =?UTF-8?q?=D0=B5=D0=BD=D0=B8=D0=B5=20=D0=B4=D0=B0=D0=BD=D0=BD=D1=8B=D1=85?=
 =?UTF-8?q?=20=D0=B2=20=D0=B1=D1=83=D1=84=D0=B5=D1=80?=
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---
 main.cpp | 55 ++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 40 insertions(+), 15 deletions(-)

diff --git a/main.cpp b/main.cpp
index 988fbbf..ed61cc6 100644
--- a/main.cpp
+++ b/main.cpp
@@ -5,6 +5,9 @@
 #include "histogram_internal.h"
 #include "svg.h"
 #include <curl/curl.h>
+#include <sstream>
+#include <string>
+
 
 using namespace std;
 const size_t SCREEN_WIDTH = 80;
@@ -40,25 +43,47 @@ Input input_data(istream& stream, bool prompt)
 
 }
 
-int main(int argc, char* argv[])
-{
+size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
+   size_t data_size = item_size * item_count;
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    auto text = reinterpret_cast<const char*>(items);
+    buffer->write(text, data_size);
+    return data_size;
+}
+
+Input download(const string& address) {
+    stringstream buffer;
+
     curl_global_init(CURL_GLOBAL_ALL);
-    if (argc > 1)
+    CURL * curl = curl_easy_init();
+
+    if(curl)
     {
-        CURL * curl = curl_easy_init();
-        if(curl)
-        {
-            CURLcode res;
-            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
-            res = curl_easy_perform(curl);
-            if(res != CURLE_OK){
-                curl_easy_strerror(res);
-                exit(1);
-            }
-            curl_easy_cleanup(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 != CURLE_OK){
+            curl_easy_strerror(res);
+            exit(1);
         }
-        return 0;
+        curl_easy_cleanup(curl);
     }
+    return input_data(buffer, false);
+}
+
+
+int main(int argc, char* argv[])
+{
+    Input input;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(cin, true);
+    }
+
     bool prompt = true;
     auto in = input_data(cin, prompt);