code: Обработка ошибок

.gitignore

@@ -4,3 +4,4 @@
 /lab01.layout
 /unittest.depend
 /unittest.layout
+/curl

main.cpp

@@ -4,6 +4,7 @@
 #include "text.h"
 #include "svg.h"
 #include <string>
+#include <curl/curl.h>
 
 using namespace std;
 
@@ -15,28 +16,50 @@ struct Input {
 };
 
 Input
-input_data(istream& Newcin) {
+input_data(istream& Newcin){
     size_t number_count;
     cerr << "Enter number count: ";
-    cin >> number_count;
+    Newcin >> number_count;
+    bool prompt;
+    cerr << "Do you want any prompts? Enter 'true' if yes, 'false' if no: ";
+    Newcin >> prompt;
+    if (prompt){
+        cerr << "Prompt";
+    }
+
     Input in;
     in.numbers.resize(number_count);
     cerr << "Enter numbers: ";
     for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+        Newcin >> in.numbers[i];
     }
     cerr << "Enter bin count: ";
-    cin >> in.bin_count;
+    Newcin >> in.bin_count;
     cerr << "Enter stroke in format RGB: ";
-    cin >> in.stroke;
+    Newcin >> in.stroke;
     cerr << "Enter fill in format RGB: ";
-    cin >> in.fill;
+    Newcin >> in.fill;
     return in;
 }
 
 int
-main() {
+main(int argc, char* argv[]) {
-auto in = input_data(cin);
+    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 0;
+    }
+    curl_global_init(CURL_GLOBAL_ALL);
+    auto in = input_data(cin);
     auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins, in.stroke, in.fill);
 }