From efe03e19669dd098b554d925fbf0c6f033f772d3 Mon Sep 17 00:00:00 2001
From: "Dmitriy (BerezhkovDA)" <BerezhkovDA@mpei.ru>
Date: Sun, 12 May 2024 11:30:19 +0300
Subject: [PATCH] =?UTF-8?q?lab4=20=D0=B8=D0=BD=D0=B4=D0=B8=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=B4=D1=83=D0=B0=D0=BB=D1=8C=D0=BD=D1=8B=D0=B9=20=D0=B2=D0=B0?=
 =?UTF-8?q?=D1=80=D0=B8=D0=B0=D0=BD=D1=82=204?=
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---
 sem2_lab1/sem2_lab1.cpp | 63 ++++++++++++++++++++++++++++++++++-------
 1 file changed, 53 insertions(+), 10 deletions(-)

diff --git a/sem2_lab1/sem2_lab1.cpp b/sem2_lab1/sem2_lab1.cpp
index 3c8f54d..a8e7d25 100644
--- a/sem2_lab1/sem2_lab1.cpp
+++ b/sem2_lab1/sem2_lab1.cpp
@@ -9,13 +9,14 @@
 #include <curl/curl.h>
 #include <sstream>
 #include <string>
+#include <ctype.h>
 using namespace std;
 
 struct Input {
     vector<double> numbers;
     size_t bin_count{};
 };
-Input input_data(istream& in,bool prompt)
+Input input_data(istream& in,bool prompt, int bins_cht)
 {
     Input in_data;
     int number_count;
@@ -25,8 +26,14 @@ Input input_data(istream& in,bool prompt)
     for (size_t i = 0; i < number_count; i++) {
         in >> in_data.numbers[i];
     }
-    if (prompt)cerr << "Enter bin count: ";
-    in >> in_data.bin_count;
+    if (bins_cht == 0)
+    {
+        if (prompt)cerr << "Enter bin count: ";
+        in >> in_data.bin_count;
+    }
+    else
+        in_data.bin_count = bins_cht;
+
     return in_data;
 }
 
@@ -37,7 +44,7 @@ static size_t write_data(void* items, size_t item_size, size_t item_count, void*
     buffer->write((char*)items, data_size);
     return data_size;
 }
-Input download(const string& address) 
+Input download(const string& address, int bins_cht)
 {
     stringstream buffer;
     CURL* curl = curl_easy_init();
@@ -55,20 +62,56 @@ Input download(const string& address)
         }
         curl_easy_cleanup(curl);
     }
-    return input_data(buffer, false);
+    return input_data(buffer, false, bins_cht);
+}
+
+bool IsAllDigits(string s)
+{    
+    for(char c : s) if (!isdigit(c)) return false;
+    return true;
 }
 
 
 int main(int argc, char* argv[])
 {
     curl_global_init(CURL_GLOBAL_ALL);
+    setlocale(LC_ALL, "Russian");
     Input input;
-    if (argc > 1) {
-        input = download(argv[1]);
-    }
-    else {
-        input = input_data(cin, true);
+    bool get_bins = false;
+    int get_bins_pos = -1;
+    int  bins_cnt = 0;
+    string URL = "";
+    if (argc > 4)
+    {
+        cerr << "Количество параметров не должно превышать трех";
+        exit(1);
+    }        
+    if (argc > 1) 
+    {
+        for (int i = 1; i < argc; i++)
+        {
+            if (strcmp(argv[i], "-bins")==0)
+            {
+                get_bins = true;
+                get_bins_pos = i;
+            }                
+            else
+                if ((IsAllDigits(argv[i])) && (get_bins_pos == (i-1)))
+                    bins_cnt = atoi(argv[i]);
+                else
+                    URL = argv[i];                
+        }
+        if (get_bins && (bins_cnt == 0))
+        {
+            cerr << "После ключа -bins должно следовать натуральное число";
+            exit(1);
+        }
     }
+    if (URL == "")
+        input = input_data(cin, true, bins_cnt);
+    else
+        input = download(URL, bins_cnt);
+
     auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins, input.numbers.size());
     return 0;