code: добавлен код для варианта 16

.gitignore

@@ -0,0 +1,5 @@
+bin/
+obj/
+curl/
+Lab1.depend
+unittest.depend

Lab1.cbp

@@ -30,10 +30,29 @@
 		</Build>
 		<Compiler>
 			<Add option="-Wall" />
-			<Add option="-fexceptions" />
+			<Add option="-fexceptions -lcurl" />
+			<Add option="-DCURL_STATICLIB" />
+			<Add option='-DCURL_STATICLIB &quot;curl-config --cflags --static-libs&quot;' />
+			<Add option="-DCURL_STATICLIB `curl-config --cflags --static-libs`" />
+			<Add directory="C:/Users/Gamer/GameMaker 8.1/Desktop/учебный кал/lab03/Lab1/curlic/include" />
 		</Compiler>
+		<Linker>
+			<Add option="-static-libstdc++" />
+			<Add option="-static-libgcc" />
+			<Add option="-static" />
+			<Add directory="C:/Users/Gamer/GameMaker 8.1/Desktop/учебный кал/lab03/Lab1/curlic/lib" />
+		</Linker>
+		<Unit filename=".gitignore" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
 		<Unit filename="main.cpp" />
 		<Unit filename="main.h" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="svg_internal.h" />
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
 		<Extensions />
 	</Project>
 </CodeBlocks_project_file>

histogram.cpp

@@ -0,0 +1,85 @@
+#include "histogram.h"
+
+using namespace std;
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max, bool& empty_vector)
+{
+    if (numbers.empty())
+    {
+        empty_vector = true;
+    }
+    else
+    {
+        min = numbers[0];
+        max = numbers[0];
+        for (double x : numbers)
+        {
+            if (x > max )
+            {
+                max = x;
+            }
+            if (x < min)
+            {
+                min = x;
+            }
+        }
+    }
+}
+
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t& bin_count)
+{
+    double min, max;
+    bool empty_vector = false;
+    find_minmax(numbers, min, max, empty_vector);
+
+
+    double bin_size = (max - min) / bin_count;
+    vector<size_t> bins(bin_count);
+
+    if (empty_vector)
+    {
+        for (size_t y : bins)
+        {
+            y = 0;
+        }
+    }
+
+
+    for (size_t i = 0; i < numbers.size(); i++)
+    {
+        for (size_t j = i + 1; j < numbers.size(); j++)
+        {
+            if (numbers[i] == numbers[j])
+            {
+                //numbers.erase(numbers.begin() + j);
+                //number_count--;
+                //i--;
+                //cout << "Removed number " << numbers[j] << endl;
+            }
+        }
+    }
+
+    for (size_t i = 0; i < numbers.size(); i++)
+    {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        {
+                auto low_bound = min + j * bin_size;
+                auto high_bound = min + (j + 1) * bin_size;
+                if ((low_bound <= numbers[i]) && (numbers[i] < high_bound))
+                {
+                    bins[j]++;
+                    found = true;
+                }
+        }
+
+        if (!found)
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    return bins;
+}

histogram.h

@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t& bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED

histogram_internal.h

@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+
+#include <vector>
+
+void
+find_minmax(const std::vector<double>& numbers, double& min, double& max, bool& empty_vector);
+
+#endif // HISTOGRAM_INTERNAL_H_INCLUDED

main.cpp

@@ -1,87 +1,109 @@
 #include <iostream>
 #include <vector>
+#include <string>
+#include <sstream>
+#include "histogram.h"
+//#include "text.h"
+#include "svg.h"
+#include <curl/curl.h>
 
 using namespace std;
 
-int main()
-{
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+struct Input {
+    vector<double> numbers;
+    vector<string> colors;
+    size_t bin_count{};
+};
 
+Input
+input_data(istream& in_stream,bool prompt) {
     size_t number_count;
-    size_t bin_count;
+    Input in;
 
-    cerr << "Enter number count: ";
-    cin >> number_count;
+    if (prompt) cerr << "Enter number count: ";
+    in_stream >> number_count;
     vector<double> numbers(number_count);
 
-    for (size_t i = 0; i < number_count; i++)
-        cin >> numbers[i];
+    in.numbers.resize(number_count);
 
-    double min = numbers[0];
-    double max = numbers[0];
-    double max_count = 0;
-
-    for (double value : numbers)
-    {
-        if (value < min) {min = value;}
-        else if (value > max) {max = value;}
+    for (size_t i = 0; i < number_count; i++) {
+        in_stream >> in.numbers[i];
     }
 
-    cerr << "Enter bins count: ";
-    cin >> bin_count;
-    vector<size_t> bins(bin_count);
+    if (prompt) cerr << "Enter bins count and colors: ";
+    in_stream >> in.bin_count;
+    vector<string> colors(in.bin_count);
+    in.colors.resize(in.bin_count);
 
-    double bin_size = (max - min) / bin_count;
-
-    for (size_t i = 0; i < number_count; i++)
-    {
-        for (size_t j = i + 1; j < number_count; j++)
-        {
-            if (numbers[i] == numbers[j])
-            {
-                //numbers.erase(numbers.begin() + j);
-                //number_count--;
-                //i--;
-                //cout << "Removed number " << numbers[j] << endl;
+    for (size_t i = 0; i < in.bin_count; i++) {
+        //in_stream >> in.colors[i];
+        in.colors[i]="red";
+        bool check = check_color(in.colors[i]);
+        while (!check) {
+        if (prompt) cerr << "Incorrect input. Color doesn't contain # or has spaces." << endl;
+        in_stream >> in.colors[i];
+        //in.colors[i]="red";
+        check = check_color(in.colors[i]);
         }
     }
+    return in;
+}
+
+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;
+}
+
+size_t write_header(char* buffer, size_t size, size_t nitems, void* userdata)
+{
+    return size * nitems;
+}
+
+Input download(const string& address) {
+    curl_global_init(CURL_GLOBAL_ALL);
+    stringstream buffer;
+
+    CURL* curl = curl_easy_init();
+    if (curl) {
+        CURLcode res;
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
+        curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, write_header);
+        curl_easy_setopt(curl, CURLOPT_HEADERDATA, NULL);
+        res = curl_easy_perform(curl);
+        curl_easy_cleanup(curl);
+
+        if (res != CURLE_OK) {
+            cout << curl_easy_strerror(res);
+            exit(1);
+        }
+        else
+        {
+            double *ct;
+            res = curl_easy_getinfo(curl, CURLINFO_CONNECT_TIME, &ct);
+            if((CURLE_OK == res) && ct)
+            printf("Time: %f\n",ct);
+        }
     }
 
-    for (size_t i = 0; i < number_count; i++)
-    {
-        bool found = false;
-        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
-        {
-                auto low_bound = min + j * bin_size;
-                auto high_bound = min + (j + 1) * bin_size;
-                if ((low_bound <= numbers[i]) && (numbers[i] < high_bound))
-                {
-                    bins[j]++;
-                    found = true;
-                    if (bins[j] > max_count)
-                        max_count = bins[j];
-                }
+    return input_data(buffer, false);
 }
 
-        if (!found)
+int main(int argc, char* argv[])
 {
-            bins[bin_count - 1]++;
-            if (bins[bin_count - 1] > max_count)
-                        max_count = bins[bin_count - 1];
-        }
-    }
-    for (size_t bin : bins)
+    Input in;
+    if (argc > 1)
     {
-        if (bin < 100) cout << " ";
-        if (bin < 10) cout << " ";
-        cout << bin;
-        cout << "|";
-        size_t height = MAX_ASTERISK * (static_cast<double>(bin) / max_count);
-        if (max_count <= MAX_ASTERISK) height = bin;
-        for (size_t i = 0; i < height; i++) cout << "*";
-        cout << endl;
+        in = download(argv[1]);
     }
-
-    return 0;
+    else
+    {
+        in = input_data(cin,true);
+    }
+    vector<size_t> bins = make_histogram(in.numbers, in.bin_count);
+    //show_histogram_text(bins, in.bin_count);
+    show_histogram_svg(bins, in.colors);
 }

svg.cpp

@@ -0,0 +1,83 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include "svg.h"
+
+using namespace std;
+
+bool
+check_color(string color) {
+
+    if (color[0]=='#'||color.find(' ')==(-1))
+        return true;
+    else
+        return false;
+}
+
+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 = "black", string fill = "black") {
+    cout << "<rect x='" << x
+    << "' y='" << y
+    << "' width='" << width
+    << "' height='" << height
+    << "' stroke='" << stroke
+    << "' fill='" << fill
+    << "' />\n";
+}
+
+void
+svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg ";
+    cout << "width='" << width << "' ";
+    cout << "height='" << height << "' ";
+    cout << "viewBox='0 0 " << width << " " << height << "' ";
+    cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void
+svg_end() {
+    cout << "</svg>\n";
+}
+
+void
+show_histogram_svg(const vector<size_t>& bins, const vector<string>& colors) {
+    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 BLOCK_WIDTH = 10;
+    const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
+    size_t max_count = 0;
+    for (size_t x : bins) {
+        if (x > max_count) {
+            max_count = x;
+        }
+    }
+    if (max_count == 0) {
+        max_count = 1;
+    }
+    auto scale_factor = static_cast<double>(MAX_WIDTH) / (max_count * BLOCK_WIDTH);
+    if (scale_factor > 1) {
+        scale_factor = 1;
+    }
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+    double top = 0;
+    for (size_t bin : bins) {
+        const double bin_width = BLOCK_WIDTH * bin;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "black",colors[top/BIN_HEIGHT]);
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}

svg.h

@@ -0,0 +1,13 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <vector>
+#include <string>
+
+void
+show_histogram_svg(const std::vector<size_t>& bins, const std::vector<std::string>& colors);
+
+bool
+check_color(std::string color);
+
+#endif // SVG_H_INCLUDED

svg_internal.h

@@ -0,0 +1,9 @@
+#ifndef SVG_INTERNAL_H_INCLUDED
+#define SVG_INTERNAL_H_INCLUDED
+
+#include <string>
+
+bool
+check_color(std::string color);
+
+#endif // SVG_INTERNAL_H_INCLUDED

text.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+#include "text.h"
+
+using namespace std;
+
+void
+show_histogram_text(const vector<size_t>& bins, size_t& bin_count) {
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    size_t max_count = 0;
+
+    for (size_t s = 0; s < bin_count; s++)
+    {
+        if (bins[s] > max_count)
+        {
+            max_count = bins[s];
+        }
+    }
+
+    if (max_count == 0)
+    {
+        max_count = 1;
+    }
+
+    for (size_t bin : bins)
+    {
+        if (bin < 100) cout << " ";
+        if (bin < 10) cout << " ";
+        cout << bin;
+        cout << "|";
+        size_t height = MAX_ASTERISK * (static_cast<double>(bin) / max_count);
+        if (max_count <= MAX_ASTERISK) height = bin;
+        for (size_t i = 0; i < height; i++) cout << "*";
+        cout << endl;
+    }
+}

text.h

@@ -0,0 +1,9 @@
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+
+#include <vector>
+
+void
+show_histogram_text(const std::vector<size_t>& bins, size_t& bin_count);
+
+#endif // TEXT_H_INCLUDED

unittest.cbp

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="unittest" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/unittest" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/unittest" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+		</Compiler>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram_internal.h" />
+		<Unit filename="unittest.cpp" />
+		<Extensions />
+	</Project>
+</CodeBlocks_project_file>

unittest.cpp

@@ -0,0 +1,70 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "histogram_internal.h"
+#include "svg_internal.h"
+#include <string>
+
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    bool empty_vector = false;
+    find_minmax({1, 2}, min, max, empty_vector);
+    CHECK(empty_vector == false);
+    CHECK(min == 1);
+    CHECK(max == 2);
+}
+
+TEST_CASE("single number") {
+    double min = 0;
+    double max = 0;
+    bool empty_vector = false;
+    find_minmax({1}, min, max, empty_vector);
+    CHECK(empty_vector == false);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}
+
+TEST_CASE("negative numbers") {
+    double min = 0;
+    double max = 0;
+    bool empty_vector = false;
+    find_minmax({-1, -2}, min, max, empty_vector);
+    CHECK(empty_vector == false);
+    CHECK(min == -2);
+    CHECK(max == -1);
+}
+
+TEST_CASE("identical numbers") {
+    double min = 0;
+    double max = 0;
+    bool empty_vector = false;
+    find_minmax({2, 2}, min, max, empty_vector);
+    CHECK(empty_vector == false);
+    CHECK(min == 2);
+    CHECK(max == 2);
+}
+
+TEST_CASE("empty vector") {
+    double min = 0;
+    double max = 0;
+    bool empty_vector = false;
+    find_minmax({}, min, max, empty_vector);
+    CHECK(empty_vector == true);
+    CHECK(min == 0);
+    CHECK(max == 0);
+}
+
+TEST_CASE("correct color") {
+    bool check = check_color("red");
+    CHECK(check == true);
+    check = check_color("#FF FFF");
+    CHECK(check == true);
+}
+
+TEST_CASE("incorrect color") {
+    bool check = check_color("re d");
+    CHECK(check == false);
+    check = check_color("red green blue");
+    CHECK(check == false);
+}