main: добавление комментариев

.gitignore

@@ -1,4 +1,5 @@
 /bin
 /obj
+/curl
 /*.layout
 /*.depend

lab01.cbp

@@ -14,7 +14,12 @@
 				<Option compiler="gcc" />
 				<Compiler>
 					<Add option="-g" />
+					<Add directory="C:/Users/jonny-junior/Desktop/lab01/curl/include" />
 				</Compiler>
+				<Linker>
+					<Add library="C:/Users/jonny-junior/Desktop/lab01/curl/lib/libcurl.dll.a" />
+					<Add directory="C:/Users/jonny-junior/Desktop/lab01/curl/lib" />
+				</Linker>
 			</Target>
 			<Target title="Release">
 				<Option output="bin/Release/lab01" prefix_auto="1" extension_auto="1" />

main.cpp

@@ -1,3 +1,6 @@
+#include <sstream>
+#include <string>
+#include <curl/curl.h>
 #include <iostream>
 #include <vector>
 #include "histogram.h"
@@ -16,25 +19,66 @@ using namespace std;
 //  Ââîä îöåíêîê ñ êëàâèàòóðû.
 
 Input
-input_data()
+input_data(istream& in, bool prompt)
 {
-    Input in;
+    Input local;
     size_t number_count;
 
     cerr << "Enter number count: ";
-    cin >> number_count;
-    in.numbers.resize(number_count);
+    in >> number_count;
+    local.numbers.resize(number_count);
     for (size_t i = 0; i < number_count; i++)
-        cin >> in.numbers[i];
-    cerr << "Enter bin count: ";
-    cin >> in.bin_count;
-    return in;
+        in >> local.numbers[i];
+    if (prompt)
+        cerr << "Enter bin count: ";
+    in >> local.bin_count;
+    return local;
 }
 
-int main()
+// Çàãðóçêà ôàéëà èç ñåòè â áóôåð.
+
+Input
+download(const string& address)
+{
+    stringstream buffer;
+
+    CURL *curl = curl_easy_init();
+    if(curl)
+        {
+            CURLcode res;
+            curl_easy_setopt(curl, CURLOPT_URL, address);
+            res = curl_easy_perform(curl);
+            if (res != CURLE_OK)
+                {
+                    cerr << curl_easy_strerror(res);
+                    exit(1);
+                }
+            curl_easy_cleanup(curl);
+        }
+    return input_data(buffer, false);
+}
+
+// Ñîõðàíåíèå ôàéëà èç ñåòè â áóôåð.
+
+size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx)
 {
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
+    size_t data_size = item_size * item_count;
+
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
+}
+
+
+int main(int argc, char* argv[])
+{
+    Input input;
+    if (argc > 1)
+        input = download(argv[1]);
+    else
+        input = input_data(cin, true);
+
+    const auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
-    return 0;
 }
+