code: Финальный вариант

lab34.cpp

@@ -41,20 +41,16 @@ write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
 }
 
 Input
-download(const string& address, const string& argument) {
+download(const string& address, bool verbose = false) {
     stringstream buffer;
     CURL* curl = curl_easy_init();
-    if ((argument != "") && (address != "-verbose") && (argument != "-verbose")) {
-        cout << "Wrong argument, use correct input -verbose or leave input empty" << endl;
-        exit(2);
-    }
     if (curl) {
         CURLcode res;
-        curl_easy_setopt(curl, CURLOPT_URL, argument == "-verbose" || argument == "" ? address.c_str() : argument.c_str());
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
-        if (address == "-verbose" || argument == "-verbose") {
-            curl_easy_setopt(curl, CURLOPT_VERBOSE, argument == "-verbose" ? argument.c_str() : address.c_str());
+        if (verbose) {
+            curl_easy_setopt(curl, CURLOPT_VERBOSE, "-verbose");
         }
         res = curl_easy_perform(curl);
         curl_easy_cleanup(curl); 
@@ -69,11 +65,26 @@ download(const string& address, const string& argument) {
 
 int main(int argc, char* argv[]) {
     Input input;
-    if (argc > 2) {
-        input = download(argv[1], argv[2]);
+    string link;
+    bool flag = false;
+    if (argc == 2) {
+        input = download(argv[1]); 
     }
-    else if (argc == 2) {
-        input = download(argv[1], "");
+    else if (argc > 2) {
+        for (size_t i = 1; i < argc; i++) {
+            string cur = argv[i];
+            if (cur.find("://") != string::npos) {
+                link = cur;
+            }
+            else if (cur == "-verbose") {
+                flag = true;
+            }
+            else if (cur.find("-") != string::npos && cur != "-verbose") {
+                cout << "Wrong argument, use correct input -verbose or leave input empty" << endl;
+                exit(2);
+            }
+        }
+        input = download(link, flag); 
     }
     else {
         input = input_data(cin, true);