Итоговая версия(общий вариант)

CommonVar.cpp

@@ -5,6 +5,7 @@
 #include "text.h"
 #include "svg.h"
 #include <curl/curl.h>
+#include <sstream>
 using namespace std;
 
 
@@ -21,14 +22,14 @@ InputData(istream& in, bool prompt) {
 		cerr << "Enter number count: ";
 	}
 	in >> NumberCount;
-	if (prompt) {
-		cerr << "Enter bin count: ";
-	}
-	in >> inp.BinCount;
 	inp.Numbers.resize(NumberCount);
 	for (int i = 0; i < NumberCount; i++) {
 		in >> inp.Numbers[i];
 	}
+	if (prompt) {
+		cerr << "Enter bin count: ";
+	}
+	in >> inp.BinCount;
 	return inp;
 }
 
@@ -38,22 +39,47 @@ vector<size_t> MakeHistogram(vector<double> Numbers, size_t BinCount, double& Ma
 
 void ShowHistogrammText(vector<size_t> Bins);
 
-int main(int argc, char* argv[]) {
-	curl_global_init(CURL_GLOBAL_ALL);
-	if (argc > 1) {
-		CURL* curl = curl_easy_init();
+size_t
+WriteData(void* items, size_t item_size, size_t item_count, void* ctx) {
+	stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+	size_t data_size = item_size * item_count;
+	buffer->write(reinterpret_cast<const char*>(items), data_size);
+	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, argv[1]);
+		curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteData);
+		curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
 		res = curl_easy_perform(curl);
-		if (res != 0) {
+		if (res != CURLE_OK) {
 			cout << curl_easy_strerror(res);
 			exit(1);
 		}
 		curl_easy_cleanup(curl);
-		return 0;
 	}
+	
+
+	return InputData(buffer, false);
+}
+
+
+
+int main(int argc, char* argv[]) {
 	double MaxCount = 0;
-	Input in = InputData(cin, true);
+	Input in;
+	if (argc > 1) {
+		in = Download(argv[1]);
+	}
+	else {
+		in = InputData(cin, true);
+	}
 	vector <size_t> Bins(in.BinCount);
 	Bins = MakeHistogram(in.Numbers, in.BinCount, MaxCount);
 	ShowHistogramSvg(Bins);