code: добавлены write_data, download

.gitignore

@@ -4,3 +4,5 @@
 /cs-lab34.layout
 /main.exe
 /main.o
+/unittest.layout
+/curl

cs-lab34.cbp

@@ -31,7 +31,12 @@
 		<Compiler>
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
+			<Add directory="curl/include" />
 		</Compiler>
+		<Linker>
+			<Add library="curl/lib/libcurl.dll.a" />
+			<Add directory="curl/lib" />
+		</Linker>
 		<Unit filename=".gitignore" />
 		<Unit filename="histogram.cpp" />
 		<Unit filename="histogram.h" />

histogram.h

@@ -3,4 +3,3 @@
 
 using namespace std;
 vector<size_t> make_histogram(size_t number, vector<double> vec);
-

histogram_internal.h

@@ -1 +1,2 @@
 bool find_minmax(std::vector<double> vec, double& min, double& max);
+//

main.cpp

@@ -1,3 +1,7 @@
+#include <curl/curl.h>
+
+#include <sstream>
+#include <string>
 #include "histogram.h"
 #include "text.h"
 #include "svg.h"
@@ -5,40 +9,78 @@
 struct Input {
     vector<double> vec;
     size_t korz{};
-    size_t block_width{};
 };
-
-Input input_data() {
-    Input in;
+Input input_data(istream& in, bool prompt = false) {
+    Input lin;
     size_t n, korz;
-
-    cerr << "Number of elements: ";
-    cin >> n;
-    in.vec.resize(n);
-    cerr << "Elements: ";
+    if(prompt)
+        cerr << "Number of elements: ";
+    in >> n;
+    lin.vec.resize(n);
     for (size_t i = 0; i < n; i++)
-        cin >> in.vec[i];
-    cerr << "Enter bin count: ";
-    cin >> in.korz;
+        in >> lin.vec[i];
+    if(prompt)
+        cerr << "Enter bin count: ";
+    in >> lin.korz;
+    return lin;
+}
 
+size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx){
+    stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
+    size_t data_size = item_size * item_count;
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
+}
 
-    cerr << "Enter block width in px (3-30): ";
-    cin >> in.block_width;
-
-    while (in.block_width < 3 || in.block_width > 30) {
-        if (in.block_width < 3) {
-            cerr << "Block width too small! Minimum is 3px. Please enter again: ";
-        } else {
-            cerr << "Block width too large! Maximum is 30px. Please enter again: ";
+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);
+        curl_easy_cleanup(curl);
+        if (res != CURLE_OK) {
+            cerr << "cURL error: " << curl_easy_strerror(res) << endl;
+            exit(1);
         }
-        cin >> in.block_width;
+    return input_data(buffer, false);
+}
+}
+
+int main(int argc, char* argv[]) {
+    curl_global_init(CURL_GLOBAL_ALL);
+    Input input;
+    if (argc > 1) {
+       input = download(argv[1]);
+    }else{
+        input = input_data(cin, true);
     }
-
-    return in;
+    auto bins = make_histogram(input.korz, input.vec);
+    show_histogram_svg(bins);
+    return 0;
 }
 
-int main() {
-    auto in = input_data();
-    auto bins = make_histogram(in.korz, in.vec);
-    show_histogram_svg(bins, in.block_width);
-}
+//Ïîëó÷åíèå àðãóìåíòîâ êîìàíäû. Ñóòü â òîì, ÷òî êàæäûé àðãóìåíò (ïîòîê ñèìâîëîâ) èìååò ñâîé ïîðÿäêîâûé íîìåð.
+//×òîáû ïðîãðàììà ìîëãà âîñïðèíèìàòü àðãóìåíòû è êîìàíäû òàê, êàê íàäî, àðãóìåíòû, êàê è ñëîâà â ëþáîì ÿçûêå, ðàçäåëÿþòñÿ ïðîáåëàìè.
+// íàøåì ñëó÷àå ïðîãðàììà ïîêàçûâàåò, êàêîé ïîðÿäêîâûé íîìåð èìååò êàæäîå ñëîâî ñ ïîìîùüþ ïðîáåëîâ.
+//Äëÿ NUL íè÷åãî íå âûâåäåòñÿ òàê êàê ìû âûâåëè èòîãîâûé ïîòîê â íèêóäà.
+
+/*
+C:\Users\Natasha\Desktop\Ïðîãè Ñ2\cs-lab34\bin\Debug>cs-lab34.exe -x --y /z w
+argc = 5
+argv[0] = cs-lab34.exe
+argv[1] = -x
+argv[2] = --y
+argv[3] = /z
+argv[4] = w
+
+C:\Users\Natasha\Desktop\Ïðîãè Ñ2\cs-lab34\bin\Debug>cs-lab34.exe param "with spaces"
+argc = 3
+argv[0] = cs-lab34.exe
+argv[1] = param
+argv[2] = with spaces
+
+C:\Users\Natasha\Desktop\Ïðîãè Ñ2\cs-lab34\bin\Debug>cs-lab34.exe param <marks.txt >NUL
+*/

svg.cpp

@@ -2,7 +2,9 @@
 
 using namespace std;
 
-void svg_begin(double width, double height) {
+void
+svg_begin(double width, double height)
+{
     cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
     cout << "<svg ";
     cout << "width='" << width << "' ";
@@ -11,46 +13,59 @@ void svg_begin(double width, double height) {
     cout << "xmlns='http://www.w3.org/2000/svg'>\n";
 }
 
-void svg_end() {
+void
+svg_end()
+{
     cout << "</svg>\n";
 }
 
-void svg_text(double left, double baseline, string text) {
+void
+svg_text(double left, double baseline, string text)
+{
     cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
 }
 
-void svg_rect(double x, double y, double width, double height, string stroke, string fill) {
+void
+svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
+{
     cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />";
+
 }
 
-void show_histogram_svg(const vector<size_t>& bins, size_t block_width) {
+
+
+void
+show_histogram_svg(const vector<size_t>& bins)
+{
     const auto IMAGE_WIDTH = 400;
     const auto IMAGE_HEIGHT = 300;
     const auto TEXT_LEFT = 20;
     const auto TEXT_BASELINE = 20;
     const auto TEXT_WIDTH = 50;
     const auto BIN_HEIGHT = 30;
-    const auto BLACK = "black";
+    const auto BLOCK_WIDTH = 10;
+    const auto GREEN = "green";
     const auto RED = "red";
     const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
 
-    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
 
     double top = 0;
-    double max_count = bins.empty() ? 0 : bins[0];
-    for (size_t i = 1; i < bins.size(); i++) {
-        if (bins[i] > max_count) {
+    double max_count = bins[0];
+    for (size_t i = 0; i < bins.size(); i++)
+    {
+        if (max_count < bins[i])
+        {
             max_count = bins[i];
         }
     }
 
-    for (size_t bin : bins) {
-        double bin_width = static_cast<double>(block_width) * bin;
-        if (bin_width > MAX_WIDTH) {
-            bin_width = MAX_WIDTH;
-        }
+    for (size_t bin : bins)
+    {
+        double bin_width = (MAX_WIDTH) * (bin/max_count);
         svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, GREEN, RED);
         top += BIN_HEIGHT;
     }
 

svg.h

@@ -2,6 +2,6 @@
 #include <vector>
 #include <string>
 #include <math.h>
-using namespace std;
 
-void show_histogram_svg(const vector<size_t>& bins, size_t block_width);
+using namespace std;
+void show_histogram_svg(const vector<size_t>& bins);

text.h

@@ -2,4 +2,3 @@
 #include <vector>
 
 void show_histogram(std::vector<size_t> bins);
-

unittest.cpp

@@ -21,6 +21,9 @@ TEST_CASE("empty vector"){
     CHECK(!result);
 }
 
+
+
+
 TEST_CASE("single vector"){
     double min = 0;
     double max = 0;
@@ -47,3 +50,17 @@ TEST_CASE("same vector"){
     CHECK(min == 1);
     CHECK(max == 1);
 }
+
+TEST_CASE("block"){
+    size_t block_width = 15;
+    bool result = width( block_width);
+        CHECK(result);
+}
+
+
+TEST_CASE("block"){
+    size_t block_width = 0;
+    bool result = width( block_width);
+        CHECK(!result);
+}
+

unittest.depend

@@ -1,12 +1,12 @@
 # depslib dependency file v1.0
-1746274971 source:c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\histogram.cpp
+1746447381 source:c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\histogram.cpp
 	"histogram.h"
 
-1746274971 c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\histogram.h
+1746446253 c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\histogram.h
 	<vector>
 	<iostream>
 
-1746276122 source:c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\unittest.cpp
+1746447498 source:c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\unittest.cpp
 	"doctest.h"
 	"histogram_internal.h"
 
@@ -55,5 +55,5 @@
 	<sys/time.h>
 	<unistd.h>
 
-1746276025 c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\histogram_internal.h
+1746447065 c:\users\natasha\desktop\Ïðîãè Ñ2\cs-lab34\histogram_internal.h