Получение аргументов программы

main.cpp

@@ -1,8 +1,9 @@
-#include <curl/curl.h>
-#define CURL_STATICLIB
 #include <iostream>
+#include <sstream>
+#include <string>
 #include <vector>
-#include "histogram.h"
+#include <curl/curl.h>
+#include "hictogram.h"
 #include "text.h"
 #include "svg.h"
 
@@ -11,63 +12,73 @@ using namespace std;
 struct Input {
     vector<double> numbers;
     size_t bin_count{};
-    size_t block_width{};
 };
 
-Input input_data(istream& in_stream = cin, bool prompt = true) {
+Input input_data(istream& in, bool prompt) {
-    Input in;
-    size_t number_count;
-
     if (prompt) {
-        cerr << "Enter number count: ";
+        cerr << "Enter number count, numbers and bin count: ";
     }
-    in_stream >> number_count;
 
-    in.numbers.resize(number_count);
+    size_t number_count;
+    in >> number_count;
+
+    Input input;
+    input.numbers.resize(number_count);
 
-    if (prompt) {
-        cerr << "Enter " << number_count << " numbers: ";
-    }
     for (size_t i = 0; i < number_count; i++) {
-        in_stream >> in.numbers[i];
+        in >> input.numbers[i];
     }
 
-    if (prompt) {
+    in >> input.bin_count;
-        cerr << "Enter bin count: ";
-    }
-    in_stream >> in.bin_count;
 
-    return in;
+    return input;
 }
 
-vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
-    vector<size_t> bins(bin_count, 0);
+    size_t data_size = item_size * item_count;
-    for (double num : numbers) {
+
-        size_t index = min(bin_count - 1, static_cast<size_t>(num)); // ïðèìåð
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
-        bins[index]++;
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
-    }
+
-    return bins;
+    return data_size;
 }
+
+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);
+        }
+
+        curl_easy_cleanup(curl);
+    } else {
+        cerr << "curl_easy_init() failed" << endl;
+        exit(1);
+    }
+
+    return input_data(buffer, false);
 }
 
+
+
+
 int main(int argc, char* argv[]) {
     if (argc > 1) {
-        cout << "argc = " << argc << endl;
+        std::cout << "argc = " << argc << std::endl;
         for (int i = 0; i < argc; ++i) {
-            cout << "argv[" << i << "] = \"" << argv[i] << "\"" << endl;
+            std::cout << "argv[" << i << "] = " << argv[i] << std::endl;
         }
         return 0;
     }
-
+    // Åñëè àðãóìåíòîâ íåò, ïðîãðàììà íè÷åãî íå äåëàåò è ïðîñòî çàâåðøàåò
-    CURLcode res = curl_global_init(CURL_GLOBAL_ALL);
+    return 0;
-    if (res != CURLE_OK) {
-        cerr << "cURL initialization failed: " << curl_easy_strerror(res) << endl;
-        return 1;
-    }
-
-    auto in = input_data();
-    auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_svg(bins, in.block_width);
-
-    curl_global_cleanup();
 }