code: работа с буфером, загруженным по сети

main.cpp

@@ -7,6 +7,8 @@
 #include "text.h"
 #include "svg.h"
 #include <curl/curl.h>
+#include <sstream>
+#include <string>
 
 using namespace std;
 
@@ -50,36 +52,36 @@ Input input_data(istream& in, bool prompt)
     return stct;
 }
 
-int main(int argc, char* argv[])
+Input
+download(const string& address)
 {
-    curl_global_init(CURL_GLOBAL_ALL);
+    stringstream buffer;
 
-    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, address.c_str());
+        res = curl_easy_perform(curl);
+        if (res != CURLE_OK)
         {
-            CURLcode res;
-            curl_easy_setopt(curl, CURLOPT_URL, argv[1]);
-            res = curl_easy_perform(curl);
-            if (res != CURLE_OK){
-                cerr << curl_easy_strerror(res);
-                exit(1);
-            }
-            curl_easy_cleanup(curl);
+            cerr << curl_easy_strerror(res);
+            exit(1);
         }
-        return 0;
+        curl_easy_cleanup(curl);
     }
+    return input_data(buffer, false);
+}
 
-    //Ââîä ìàññèâà è êîëè÷åñòâà êîðçèí
-    auto in = input_data(cin, true);
-
-    //Ñîçäàíèå âåêòîðà bins äëÿ ãèñòîãðàììû
-    vector<size_t> bins = make_histogram(in.Numbers, in.bin_count);
+int
+main(int argc, char* argv[]) {
+    Input input;
+    if (argc > 1) {
+        input = download(argv[1]);
+    } else {
+        input = input_data(cin, true);
+    }
 
-    //Âûâîä ãèñòîãðàììû
+    const auto bins = make_histogram(input.Numbers, input.bin_count);
     show_histogram_svg(bins);
-    //show_histogram_text(bins);
-
-    return 0;
 }