лр4

.gitignore

@@ -0,0 +1 @@
+curl/

histogram.cpp

@@ -0,0 +1,32 @@
+#include "histogram.h"
+#include "histogram_internal.h"
+#include <vector>
+#include <cstddef>
+
+using namespace std;
+
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        return;
+    }
+    min = numbers[0];
+    max = numbers[0];
+
+    for (double x : numbers) {
+        if (x < min) min = x;
+        if (x > max) max = x;
+    }
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    vector<size_t> bins(bin_count);
+    for (double x : numbers) {
+        size_t bin_index = (x - min) / (max - min) * bin_count;
+        if (bin_index == bin_count) bin_index--;
+        bins[bin_index]++;
+    }
+    return bins;
+}

histogram.h

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

histogram_internal.h

@@ -0,0 +1,8 @@
+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+
+#include <vector>
+
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);
+
+#endif

lab04/histogram.cpp

@@ -0,0 +1,32 @@
+#include "histogram.h"
+#include "histogram_internal.h"
+#include <vector>
+#include <cstddef>
+
+using namespace std;
+
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        return;
+    }
+    min = numbers[0];
+    max = numbers[0];
+
+    for (double x : numbers) {
+        if (x < min) min = x;
+        if (x > max) max = x;
+    }
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    vector<size_t> bins(bin_count);
+    for (double x : numbers) {
+        size_t bin_index = (x - min) / (max - min) * bin_count;
+        if (bin_index == bin_count) bin_index--;
+        bins[bin_index]++;
+    }
+    return bins;
+}

lab04/histogram.h

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

lab04/histogram_internal.h

@@ -0,0 +1,8 @@
+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+
+#include <vector>
+
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);
+
+#endif

lab04/lab04/lab04.cbp

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="lab04" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/lab04" 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/lab04" 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" />
+			<Add directory="curl/include" />
+		</Compiler>
+		<Linker>
+			<Add library="libcurl.dll.a" />
+			<Add directory="curl/lib" />
+			<Add directory="libcurl.dll.a" />
+		</Linker>
+		<Unit filename="../histogram.cpp" />
+		<Unit filename="../histogram.h" />
+		<Unit filename="../histogram_internal.h" />
+		<Unit filename="../main.cpp" />
+		<Unit filename="../svg.cpp" />
+		<Unit filename="../svg.h" />
+		<Unit filename="../text.cpp" />
+		<Unit filename="../text.h" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

lab04/lab04/lab04.depend

@@ -0,0 +1,94 @@
+# depslib dependency file v1.0
+1759176921 source:c:\users\irina\desktop\lab34\lab04\histogram.cpp
+	"histogram.h"
+	"histogram_internal.h"
+	<vector>
+	<cstddef>
+
+1759176921 c:\users\irina\desktop\lab34\lab04\histogram.h
+	<vector>
+	<cstddef>
+
+1759176921 c:\users\irina\desktop\lab34\lab04\histogram_internal.h
+	<vector>
+
+1759176921 source:c:\users\irina\desktop\lab34\lab04\svg.cpp
+	"svg.h"
+	<iostream>
+	<vector>
+	<string>
+
+1759176921 c:\users\irina\desktop\lab34\lab04\svg.h
+	<vector>
+	<cstddef>
+
+1759176921 source:c:\users\irina\desktop\lab34\lab04\text.cpp
+	"text.h"
+	<iostream>
+	<vector>
+	<cstddef>
+
+1759176921 c:\users\irina\desktop\lab34\lab04\text.h
+	<vector>
+	<cstddef>
+
+1759179723 source:c:\users\irina\desktop\lab34\lab04\main.cpp
+	<iostream>
+	<vector>
+	<sstream>
+	"histogram.h"
+	"svg.h"
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\curl.h
+	"curlver.h"
+	"system.h"
+	<stdio.h>
+	<limits.h>
+	<sys/param.h>
+	<sys/types.h>
+	<time.h>
+	<winsock2.h>
+	<ws2tcpip.h>
+	<sys/select.h>
+	<sys/socket.h>
+	<sys/time.h>
+	"easy.h"
+	"multi.h"
+	"urlapi.h"
+	"options.h"
+	"header.h"
+	"websockets.h"
+	"mprintf.h"
+	"typecheck-gcc.h"
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\curlver.h
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\system.h
+	<ConditionalMacros.h>
+	<inttypes.h>
+	<inttypes.h>
+	<sys/types.h>
+	<sys/socket.h>
+	<sys/poll.h>
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\easy.h
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\multi.h
+	"curl.h"
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\urlapi.h
+	"curl.h"
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\options.h
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\header.h
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\websockets.h
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\mprintf.h
+	<stdarg.h>
+	<stdio.h>
+	"curl.h"
+
+1759176935 c:\users\irina\desktop\lab34\lab04\curl\include\curl\typecheck-gcc.h
+

lab04/lab04/lab04.layout

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_layout_file>
+	<FileVersion major="1" minor="0" />
+	<ActiveTarget name="Debug" />
+	<File name="..\main.cpp" open="1" top="1" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="60" topLine="0" />
+		</Cursor>
+	</File>
+</CodeBlocks_layout_file>

lab04/main.cpp

@@ -0,0 +1,65 @@
+#include <iostream>
+#include <vector>
+#include <sstream>
+#include "curl/curl.h"
+#include "histogram.h"
+#include "svg.h"
+
+using namespace std;
+
+struct Input
+{
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+Input input_data(istream& in, bool prompt)
+{
+    size_t number_count;
+    if (prompt) {
+        cerr << "Number count: ";
+    }
+    in >> number_count;
+
+    Input input;
+    input.numbers.resize(number_count);
+
+    if (prompt) {
+        cerr << "Numbers: ";
+    }
+    for (size_t i = 0; i < number_count; i++) {
+        in >> input.numbers[i];
+    }
+
+    if (prompt) {
+        cerr << "Enter bin count: ";
+    }
+    in >> input.bin_count;
+
+    return input;
+}
+
+int main(int argc, char* argv[]) {
+    // ÒÅÑÒ cURL - ýòîò êîä äîëæåí âûïîëíÿòüñÿ ÏÅÐÂÛÌ
+    cout << "Òåñòèðóåì cURL..." << endl;
+    CURL* curl = curl_easy_init();
+    if(curl) {
+        cout << "cURL ðàáîòàåò!" << endl;
+        curl_easy_cleanup(curl);
+    } else {
+        cout << "cURL íå èíèöèàëèçèðóåòñÿ!" << endl;
+    }
+
+    Input input;
+    if (argc > 1) {
+        cerr << "URL ïîëó÷åí: " << argv[1] << " (cURL òåñòèðóåòñÿ)" << endl;
+        return 0;
+    } else {
+        input = input_data(cin, true);
+    }
+
+    auto bins = make_histogram(input.numbers, input.bin_count);
+    show_histogram_svg(bins);
+
+    return 0;
+}

lab04/svg.cpp

@@ -0,0 +1,45 @@
+#include "svg.h"
+#include <iostream>
+#include <vector>
+#include <string>
+
+using namespace std;
+
+void svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg width='" << width << "' height='" << height << "' viewBox='0 0 " << width << " " << height << "' xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void svg_end() {
+    cout << "</svg>\n";
+}
+
+void svg_text(double left, double baseline, string text) {
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}
+
+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 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 BLOCK_WIDTH = 10;
+
+    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, "red", "#ffeeee");
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}

lab04/svg.h

@@ -0,0 +1,9 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <vector>
+#include <cstddef>
+
+void show_histogram_svg(const std::vector<size_t>& bins);
+
+#endif

lab04/text.cpp

@@ -0,0 +1,22 @@
+#include "text.h"
+#include <iostream>
+#include <vector>
+#include <cstddef>
+
+using namespace std;
+
+void show_histogram_text(const vector<size_t>& bins) {
+    const size_t SCREEN_WIDTH = 80;
+    size_t max_count = 0;
+    for (size_t count : bins) {
+        if (count > max_count) max_count = count;
+    }
+
+    for (size_t bin : bins) {
+        size_t height = bin * SCREEN_WIDTH / max_count;
+        for (size_t i = 0; i < height; i++) {
+            cout << '*';
+        }
+        cout << endl;
+    }
+}

lab04/text.h

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

main.cpp

@@ -1,5 +1,8 @@
 #include <iostream>
 #include <vector>
+#include <sstream>
+#include "histogram.h"
+#include "svg.h"
 
 using namespace std;
 
@@ -9,62 +12,35 @@ struct Input
     size_t bin_count{};
 };
 
-Input input_data()
+Input input_data(istream& in, bool prompt)
 {
     size_t number_count;
-    cerr << "Number count: ";
-    cin >> number_count;
-    Input in;
-    in.numbers.resize(number_count);
-
-    cerr << "Numbers: ";
-    for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+    if (prompt) {
+        cerr << "Number count: ";
     }
-    cerr << "Enter bin count:";
-    cin >> in.bin_count;
-    return in;
-}
+    in >> number_count;
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    if (numbers.empty()) {
-        return;
-    }
-    min = numbers[0];
-    max = numbers[0];
+    Input input;
+    input.numbers.resize(number_count);
 
-    for (double x : numbers) {
-        if (x < min) min = x;
-        if (x > max) max = x;
+    if (prompt) {
+        cerr << "Numbers: ";
     }
-}
-
-int main() {
-    auto in = input_data();
-
-    double min, max;
-    find_minmax(in.numbers, min, max);
-
-    vector<size_t> bins(in.bin_count);
-    for (double x : in.numbers) {
-        size_t bin_index = (x - min) / (max - min) * in.bin_count;
-        if (bin_index == in.bin_count) bin_index--;
-        bins[bin_index]++;
+    for (size_t i = 0; i < number_count; i++) {
+        in >> input.numbers[i];
     }
 
-    const size_t SCREEN_WIDTH = 80;
-    size_t max_count = 0;
-    for (size_t count : bins) {
-        if (count > max_count) max_count = count;
+    if (prompt) {
+        cerr << "Enter bin count: ";
     }
+    in >> input.bin_count;
 
-    for (size_t bin : bins) {
-        size_t height = bin * SCREEN_WIDTH / max_count;
-        for (size_t i = 0; i < height; i++) {
-            cout << '*';
-        }
-        cout << endl;
-    }
+    return input;
+}
 
+int main(int argc, char* argv[]) {
+    auto in = input_data(cin, true);
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_svg(bins);
     return 0;
 }

svg.cpp

@@ -0,0 +1,45 @@
+#include "svg.h"
+#include <iostream>
+#include <vector>
+#include <string>
+
+using namespace std;
+
+void svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg width='" << width << "' height='" << height << "' viewBox='0 0 " << width << " " << height << "' xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void svg_end() {
+    cout << "</svg>\n";
+}
+
+void svg_text(double left, double baseline, string text) {
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}
+
+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 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 BLOCK_WIDTH = 10;
+
+    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, "red", "#ffeeee");
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}

svg.h

@@ -0,0 +1,9 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <vector>
+#include <cstddef>
+
+void show_histogram_svg(const std::vector<size_t>& bins);
+
+#endif

text.cpp

@@ -0,0 +1,22 @@
+#include "text.h"
+#include <iostream>
+#include <vector>
+#include <cstddef>
+
+using namespace std;
+
+void show_histogram_text(const vector<size_t>& bins) {
+    const size_t SCREEN_WIDTH = 80;
+    size_t max_count = 0;
+    for (size_t count : bins) {
+        if (count > max_count) max_count = count;
+    }
+
+    for (size_t bin : bins) {
+        size_t height = bin * SCREEN_WIDTH / max_count;
+        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>
+#include <cstddef>
+
+void show_histogram_text(const std::vector<size_t>& bins);
+
+#endif // TEXT_H_INCLUDED

unittest.cbp

@@ -0,0 +1,38 @@
+<?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>
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

unittest.cpp

@@ -0,0 +1,45 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "histogram_internal.h"
+#include <vector>
+
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1, 2}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 2);
+}
+
+TEST_CASE("distinct negative numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({-1, -2}, min, max);
+    CHECK(min == -2);
+    CHECK(max == -1);
+}
+
+TEST_CASE("vector with one element") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}
+
+TEST_CASE("distinct equals numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1, 1}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}
+
+TEST_CASE("empty vector") {
+    double min = -1;
+    double max = -1;
+    find_minmax({}, min, max);
+    CHECK(min == -1);  // Çíà÷åíèÿ íå äîëæíû èçìåíèòüñÿ
+    CHECK(max == -1);
+}

unittest/unittest.cbp

@@ -0,0 +1,44 @@
+<?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" />
+					<Add option="-DDOCTEST_CONFIG_NO_MULTITHREADING" />
+					<Add option="-DDOCTEST_CONFIG_IMPLEMENT_WITH_MAIN" />
+				</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="../doctest.h" />
+		<Unit filename="../histogram.cpp" />
+		<Unit filename="../histogram_internal.h" />
+		<Unit filename="../unittest.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>