main.cpp

@@ -1,12 +1,8 @@
 #include <iostream>
-#include <sstream>
-#include <string>
 #include <vector>
-#include <curl/curl.h>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
-
 using namespace std;
 
 struct Input {
@@ -14,72 +10,30 @@ struct Input {
     size_t bin_count{};
 };
 
-Input input_data(istream& in, bool prompt) {
-    if (prompt) {
+Input
+input_data() {
     cerr << "Enter number count, numbers and bin count: ";
-    }
 
     size_t number_count;
-    in >> number_count;
+    cin >> number_count;
 
-    Input input;
-    input.numbers.resize(number_count);
+    Input in;
+    in.numbers.resize(number_count);
 
     for (size_t i = 0; i < number_count; i++) {
-        in >> input.numbers[i];
-    }
-
-    in >> input.bin_count;
-
-    return input;
-}
-
-size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
-    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;
+        cin >> in.numbers[i];
     }
 
-Input download(const string& address) {
-    stringstream buffer;
-
-    CURL* curl = curl_easy_init();
-    if (curl) {
-        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
-
-        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
-        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
-
-        CURLcode res = curl_easy_perform(curl);
-        if (res != CURLE_OK) {
-            cerr << "cURL error: " << curl_easy_strerror(res) << endl;
-            curl_easy_cleanup(curl);
-            exit(1);
-        }
+    cin >> in.bin_count;
 
-        curl_easy_cleanup(curl);
-    } else {
-        cerr << "curl_easy_init() failed" << endl;
-        exit(1);
+    return in;
 }
 
-    return input_data(buffer, false);
-}
-
-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);
+int
+main() {
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
     show_histogram_svg(bins);
 
     return 0;