Итог3(10 вариант)

.gitignore

@@ -0,0 +1,7 @@
+ProjectLab34_1.vcxproj
+ProjectLab34_1.vcxproj.filters
+ProjectLab34_1.vcxproj.user
+/.vs
+/x64
+/ProjectLab34_1
+/curl

CommonVar.cpp

@@ -4,27 +4,34 @@
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
+#include <curl/curl.h>
+#include <sstream>
 using namespace std;
 
 
+
 struct Input {
 	vector<double> Numbers;
 	size_t BinCount{};
 };
 
 Input
-InputData() {
+InputData(istream& in, bool prompt) {
-	Input in;
+	Input inp;
 	size_t NumberCount;
-	cerr << "Enter number count: ";
+	if (prompt) {
-	cin >> NumberCount;
+		cerr << "Enter number count: ";
-	cerr << "Enter bin count: ";
+	}
-	cin >> in.BinCount;
+	in >> NumberCount;
-	in.Numbers.resize(NumberCount);
+	inp.Numbers.resize(NumberCount);
 	for (int i = 0; i < NumberCount; i++) {
-		cin >> in.Numbers[i];
+		in >> inp.Numbers[i];
 	}
-	return in;
+	if (prompt) {
+		cerr << "Enter bin count: ";
+	}
+	in >> inp.BinCount;
+	return inp;
 }
 
 void FindMinMax(const vector<double>& Numbers, double& minn, double& maxx);
@@ -33,11 +40,64 @@ vector<size_t> MakeHistogram(vector<double> Numbers, size_t BinCount, double& Ma
 
 void ShowHistogrammText(vector<size_t> Bins);
 
-int main() {
+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, const string& option) {
+	stringstream buffer;
+	if ((option != "") && (address != "-verbose") && (option != "-verbose")) {
+		cout << "Invalid argument, please use -verbose" << endl;
+		exit(2);
+	}
+	CURL* curl = curl_easy_init();
+	if (curl) {
+			CURLcode res;
+		    curl_easy_setopt(curl, CURLOPT_URL, (option == "" || option == "-verbose") ? address.c_str() : option.c_str());
+			curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteData);
+			curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+			if (address == "-verbose" || option == "-verbose") {
+				curl_easy_setopt(curl, CURLOPT_VERBOSE, option == "-verbose" ? option.c_str() : address.c_str());
+			}
+			res = curl_easy_perform(curl);
+			if (res != CURLE_OK) {
+				cout << curl_easy_strerror(res);
+				exit(1);
+			}
+			curl_easy_cleanup(curl);
+		
+	}
+	
+
+	return InputData(buffer, false);
+}
+
+
+
+int main(int argc, char* argv[]) {
+	setlocale(LC_ALL, "Russian");
 	double MaxCount = 0;
-	Input in = InputData();
+	Input in;
+	if (argc > 1) {
+		if (argc == 2) {
+			in = Download(argv[1], "");
+		}
+		else {
+			in = Download(argv[1], argv[2]);
+		}
+		
+	}
+	else {
+		in = InputData(cin, true);
+	}
 	vector <size_t> Bins(in.BinCount);
 	Bins = MakeHistogram(in.Numbers, in.BinCount, MaxCount);
 	ShowHistogramSvg(Bins);
 	return 0;
+	
 }