code: вывод файла из сети на стандартный вывод

.gitignore

@@ -1,2 +1,3 @@
 /bin
 /obj
+/curl

hist_proc.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <vector>
 #include "hist_proc.h"
+#include "hist_proc_internal.h"
 using namespace std;
 vector<size_t> make_histogram_proc(const vector<double> numbers, size_t bin_count, vector<size_t> bins){
     vector<size_t> procent(bin_count);

histogram.cpp

@@ -4,8 +4,14 @@
 using namespace std;
 
 
-static void
+bool
 find_minmax(const vector<double>& numbers, double& min, double& max) {
+    bool flag;
+    if (numbers.size() == 0){
+        flag=false;
+
+    }
+    else {
         min = numbers[0];
         max = numbers[0];
         for (double x : numbers) {
@@ -18,7 +24,10 @@ find_minmax(const vector<double>& numbers, double& min, double& max) {
     }
 }
 
-vector<size_t> make_histogram(const vector<double> numbers, size_t bin_count){
+   return flag;
+}
+
+vector<size_t> make_histogram(const vector<double> numbers, size_t bin_count, bool& flag){
     vector<size_t> bins(bin_count);
     double max, min = 0;
     find_minmax(numbers, min, max);

histogram.h

@@ -4,6 +4,6 @@
 #include <vector>
 
 std::vector<size_t>
-make_histogram(const std::vector<double> numbers, size_t bin_count);
+make_histogram(const std::vector<double> numbers, size_t bin_count, bool& flag);
 
 #endif // HISTOGRAM_H_INCLUDED

lab003.cbp

@@ -13,7 +13,11 @@
 				<Option compiler="gcc" />
 				<Compiler>
 					<Add option="-g" />
+					<Add directory="curl/include" />
 				</Compiler>
+				<Linker>
+					<Add library="curl/include" />
+				</Linker>
 			</Target>
 			<Target title="Release">
 				<Option output="bin/Release/lab003" prefix_auto="1" extension_auto="1" />
@@ -31,7 +35,11 @@
 		<Compiler>
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
+			<Add directory="curl/include" />
 		</Compiler>
+		<Linker>
+			<Add directory="curl/include" />
+		</Linker>
 		<Unit filename="hist_proc.cpp" />
 		<Unit filename="hist_proc.h" />
 		<Unit filename="histogram.cpp" />

main.cpp

@@ -5,7 +5,7 @@
 #include "histogram.h"
 #include <text.h>
 #include <svg.h>
-
+#include <curl/curl.h>
 
 
 using namespace std;
@@ -20,29 +20,67 @@ struct Input {
 
 
 Input
-input_data() {
+input_data(istream& in, bool prompt) {
+    if (prompt == true) {
     size_t number_count;
-    cin >> number_count;
+    cerr << "amount of numbers";
-    Input in;
+    in >> number_count;
-    in.numbers.resize(number_count);
+    Input inn;
+    inn.numbers.resize(number_count);
     vector<double> numbers(number_count);
+    cerr << "input numbers";
     for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+        in >> inn.numbers[i];
     }
 
 size_t bin_count;
-cin >> in.bin_count;
+cerr << "amount of baskets";
-return in;
+in >> inn.bin_count;
+return inn;
+    }
+
+    else if (prompt == false) {
+    size_t number_count;
+    cout << "amount of numbers";
+    in >> number_count;
+    Input inn;
+    inn.numbers.resize(number_count);
+    vector<double> numbers(number_count);
+    cout << "input numbers";
+    for (size_t i = 0; i < number_count; i++) {
+        in >> inn.numbers[i];
+    }
+
+size_t bin_count;
+cout << "input baskets";
+in >> inn.bin_count;
+return inn;
+    }
 }
 
 
 
 
-int main()
+int main(int argc, char* argv[])
 {
-    auto in = input_data();
+
-    auto bins = make_histogram(in.numbers, in.bin_count);
+    CURL *curl = curl_easy_init();
-    auto procent = make_histogram_proc(in.numbers, in.bin_count, bins);
+    if(curl) {
+    CURLcode res;
+    curl_easy_setopt(curl, CURLOPT_URL, "http://uit.mpei.ru/study/courses/cs/lab03/marks.txt");
+    res = curl_easy_perform(curl);
+    curl_easy_cleanup(curl);
+
+        return 0;
+    }
+
+
+    bool flag;
+    bool prompt;
+    prompt = true;
+    auto inn = input_data(cin, prompt);
+    auto bins = make_histogram(inn.numbers, inn.bin_count, flag);
+    auto procent = make_histogram_proc(inn.numbers, inn.bin_count, bins);
     show_histogram_svg(bins, procent);
 
     return 0;

unittest4var.cpp

@@ -9,4 +9,9 @@ TEST_CASE("distinct positive numbers") {
     CHECK(procent[0] == 33);
     CHECK(procent[1] == 33);
     CHECK(procent[2] == 34);
+
+    procent = make_histogram_proc({1}, 3, {1, 0, 0});
+    CHECK(procent[0] == 100);
+    CHECK(procent[1] == 0);
+    CHECK(procent[2] == 0);
 }