Includes.

+ Refactor most classes to header only.

.gitignore

@@ -10,3 +10,5 @@
 **/Makefile
 **/*.cbp
 **/node-modules/
+**/CMakeLists.txt.user
+**/catch2/bin/

README.md

@@ -2,14 +2,16 @@
 
 This repository is a collection of useful code snippets and configurations.
 
-```
-github.com/shaunrd0/klips/
+```bash
+shaunrd0/klips/
 ├── ansible     # Ansible roles, playbooks, and examples
 ├── blockchain  # Blockchain related project templates and examples
 ├── cpp         # C++ programs, datastructures, and other examples
+├── dotnet      # .NET projects and examples
+├── esp         # ESP32 projects and examples
 ├── figlet      # Figlet fonts I like :)
 ├── javascript  # Javascript projects and examples
-├── python      # Python scripts or tools I've made   
-├── README.md   
-└── scripts     # Bash scripts
+├── python      # Python scripts and tools I've made
+├── scripts     # Bash scripts
+└── README.md
 ```

ansible/README.md

@@ -1,4 +1,4 @@
-# Ansible 
+# ansible
 
 A few simple roles / plays I've put together in learning how to use Ansible can be found under their corresponding directories.
 

blockchain/eth/truffle-solidity/README.md

@@ -1,3 +1,4 @@
+# blockchain
 
 A template project for getting started working on the Ethereum blockchain.
 This project comes with basic packages for compiling and deploying Solidity contracts with Truffle.
@@ -72,7 +73,7 @@ I explain how to configure metamask on ropsten on [Knoats - Solidity](https://kn
 
 Give yourself test Ethereum with the [Ropsten ETH Faucet](https://faucet.ropsten.be)
 
-To deploy to ropsten test network, and verify using `truffle-verify-plugin` - 
+To deploy to ropsten test network, and verify using `truffle-verify-plugin` -
 
 ```asm
 npx truffle migrate --network ropsten

cpp/CMakeLists.txt

@@ -21,9 +21,11 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 add_compile_options("-Wall")
 
 add_subdirectory(algorithms)
+add_subdirectory(catch2)
 add_subdirectory(cmake-example)
 add_subdirectory(cryptography)
 add_subdirectory(datastructs)
 add_subdirectory(graphics)
 add_subdirectory(multithreading)
-add_subdirectory(patterns)
+add_subdirectory(patterns)
+add_subdirectory(qt)

cpp/README.md

@@ -1,21 +1,23 @@
-# Cpp
+# cpp
 
 ```bash
 shaunrd0/klips/cpp/
-├── algorithms    # Examples of various algorithms written in C++
-├── cmake         # Example of using cmake to build and organize larger projects
-├── cryptography  # Examples of encrypting / decrypting using ciphers in C++
-├── datastructs   # Collection of useful datastructures written in C++
-├── graphics      # Examples of graphics projects written in C++
-├── patterns      # Examples of various design patterns written in C++
+├── algorithms     # Examples of various algorithms written in C++
+├── cmake          # Example of using cmake to build and organize larger projects
+├── cryptography   # Examples of encrypting / decrypting using ciphers in C++
+├── datastructs    # Collection of useful datastructures written in C++
+├── graphics       # Examples of graphics projects written in C++
+├── multithreading # Basic multithreading examples in C++
+├── patterns       # Examples of various design patterns written in C++
+├── qt             # Qt project examples using C++
 └── README.md
 ```
 
-This directory contains a `CMakeLists.txt`, which can be selected to open as a 
+This directory contains a `CMakeLists.txt`, which can be selected to open as a
 project within your preferred IDE. From there, all nested examples can be built,
 debugged, and ran.
 
-Some of the more recent projects in this repository requires the latest CMake LTS. 
+Some of the more recent projects in this repository requires the latest CMake LTS.
 To install `cmake` LTS with `apt` we can follow [official instructions from kitware](https://apt.kitware.com/)
 Alternatively, we can install the LTS with python's `pip`.
 ```bash
@@ -32,7 +34,7 @@ cmake version 3.22.1
 
 Once cmake is installed, dependencies for all examples can be installed with the command below.
 ```bash
-sudo apt install libsdl2-dev freeglut3-dev 
+sudo apt install libsdl2-dev freeglut3-dev
 ```
 
 If we build from this directory, we build all C++ projects and examples
@@ -61,7 +63,7 @@ graph-test-object            sdl-test              visitor-test
 graph-test-simple            select-sort
 ```
 
-We can also build from subdirectories. 
+We can also build from subdirectories.
 To only build projects related to design patterns we build from the `patterns/` subdirectory, for example
 ```bash
 cd /path/to/klips/cpp/patterns
@@ -78,5 +80,5 @@ adapter-test           factory-test  prototype-test  state-test
 
 If cmake is not being used in a project, it can be built with `g++` manually using
 the commands outlined in `*/.vscode/tasks.json`, or by using VSCode to open the example
-and running the build task. 
+and running the build task.
 Check the header comments in the main source file for the example for instructions.

cpp/catch2/CMakeLists.txt

@@ -0,0 +1,31 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Practice project for testing with catch2 framework                  ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       Catch2
+    VERSION         1.0
+    DESCRIPTION     "Practice project for learning Catch2"
+    LANGUAGES       CXX
+)
+
+add_compile_options(-Wall)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
+
+Include(FetchContent)
+FetchContent_Declare(
+    Catch2
+    GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+    GIT_TAG        v3.0.1
+)
+FetchContent_MakeAvailable(Catch2)
+
+add_subdirectory(src)
+add_subdirectory(test)

cpp/catch2/include/klips.hpp

@@ -0,0 +1,10 @@
+
+#ifndef KLIPS_KLIPS_H
+#define KLIPS_KLIPS_H
+
+
+class klips { };
+
+unsigned int factorial(unsigned int);
+
+#endif  // KLIPS_KLIPS_H

cpp/catch2/include/type_name.hpp

@@ -0,0 +1,29 @@
+// Authored by 康桓瑋 on SO: https://stackoverflow.com/a/56766138
+#ifndef CATCH2_TYPE_NAME_HPP
+
+#include <string_view>
+
+template <typename T>
+constexpr auto type_name() {
+  std::string_view name, prefix, suffix;
+#ifdef __clang__
+  name = __PRETTY_FUNCTION__;
+  prefix = "auto type_name() [T = ";
+  suffix = "]";
+#elif defined(__GNUC__)
+  name = __PRETTY_FUNCTION__;
+  prefix = "constexpr auto type_name() [with T = ";
+  suffix = "]";
+#elif defined(_MSC_VER)
+  name = __FUNCSIG__;
+  prefix = "auto __cdecl type_name<";
+  suffix = ">(void)";
+#endif
+  name.remove_prefix(prefix.size());
+  name.remove_suffix(suffix.size());
+  return name;
+}
+
+#define CATCH2_TYPE_NAME_HPP
+
+#endif  // CATCH2_TYPE_NAME_HPP

cpp/catch2/src/CMakeLists.txt

@@ -0,0 +1,22 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Practice project for testing with catch2 framework                  ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       Catch2
+    VERSION         1.0
+    DESCRIPTION     "Practice project for learning Catch2"
+    LANGUAGES       CXX
+)
+
+add_compile_options(-Wall)
+add_definitions("-std=c++17")
+
+add_library(klips SHARED klips.cpp)
+target_include_directories(klips PRIVATE ${CMAKE_SOURCE_DIR}/include)

cpp/catch2/src/klips.cpp

@@ -0,0 +1,4 @@
+
+unsigned int factorial( unsigned int number ) {
+  return number <= 1 ? number : factorial(number-1)*number;
+}

cpp/catch2/test/CMakeLists.txt

@@ -0,0 +1,22 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Practice project for testing with catch2 framework                  ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       Catch2
+    VERSION         1.0
+    DESCRIPTION     "Practice project for learning Catch2"
+    LANGUAGES       CXX
+)
+
+add_compile_options(-Wall)
+
+add_executable(test_klips test_klips.cpp)
+target_link_libraries(test_klips PRIVATE Catch2::Catch2WithMain klips)
+target_include_directories(test_klips PRIVATE ${CMAKE_SOURCE_DIR}/include)

cpp/catch2/test/test_klips.cpp

@@ -0,0 +1,147 @@
+#define CATCH_CONFIG_MAIN
+
+#include <iostream>
+
+#include "../bin/catch.hpp"
+#include "klips.hpp"
+#include "type_name.hpp"
+
+#define TT() std::cout << "T = " << type_name<TestType>() << std::endl;
+#define TD(x)                                                                  \
+  std::cout << type_name<decltype(x)>() << " " << #x << " = " << x << std::endl;
+#define T(x) std::cout << "T = " << type_name<x>() << std::endl;
+
+TEST_CASE("factorials are computed", "[factorial]") {
+  REQUIRE(factorial(1) == 1);
+  REQUIRE(factorial(2) == 2);
+  REQUIRE(factorial(3) == 6);
+  REQUIRE(factorial(10) == 3628800);
+}
+
+TEST_CASE("Generators") {
+  auto i = GENERATE(1, 3, 5);
+  TD(i);
+}
+
+TEST_CASE("Generators 2") {
+  auto i = GENERATE(1, 2);
+  SECTION("one") {
+    auto j = GENERATE(-3, -2);
+    REQUIRE(j < i);
+    std::cout << "i = " << i << "; j = " << j << std::endl;
+  }
+  SECTION("two") {
+    auto k = GENERATE(4, 5, 6);
+    REQUIRE(i != k);
+    std::cout << "i = " << i << "; k = " << k << std::endl;
+  }
+}
+
+TEST_CASE("Complex mix of sections and generates") {
+  auto i = GENERATE(1, 2);
+  SECTION("A") {
+    std::cout << "i = " << i << "; A passed" << std::endl;
+    SUCCEED("A");
+  }
+  std::cout << "left A\n";
+  auto j = GENERATE(3, 4);
+  std::cout << "i = " << i << "; j = " << j << std::endl;
+  SECTION("B") {
+    std::cout << "i = " << i << "; j = " << j << "; B passed;" << std::endl;
+    SUCCEED("B");
+  }
+  auto k = GENERATE(5, 6);
+  std::cout << "i = " << i << "; k = " << k << std::endl;
+  SUCCEED();
+}
+
+TEST_CASE("Test generaators 3", "[test]") { GENERATE(values({1, 2})); }
+
+TEMPLATE_TEST_CASE("Testing template tests", "[test][template]", int8_t,
+                   int16_t, int32_t, int64_t) {
+  TT();
+}
+
+template <typename T> struct Foo {
+  size_t size() { return 0; }
+};
+
+template <typename T> struct Test {
+  T test() {
+    T x;
+    return x;
+  }
+};
+
+TEMPLATE_PRODUCT_TEST_CASE("A Template product test case",
+                           "[template][product]", (std::vector, Test),
+                           (int, float)) {
+  TT();
+}
+
+TEMPLATE_PRODUCT_TEST_CASE("Product with differing arities",
+                           "[template][product]", std::tuple,
+                           (int, (int, double), (int, double, float))) {
+  TT();
+}
+
+using types = std::tuple<int8_t, int16_t, int32_t, int64_t>;
+
+TEMPLATE_LIST_TEST_CASE("Testing template list tests", "[test][template][list]",
+                        types) {
+  TT();
+}
+
+TEMPLATE_TEST_CASE_SIG(
+    "TemplateTestSig: arrays can be created from NTTP arguments",
+    "[vector][template][nttp]", ((typename T, int V), T, V), (int, 5),
+    (float, 4), (std::string, 15), ((std::tuple<int, float>), 6)) {
+  T(T);
+  std::cout << "V = " << V;
+  std::array<T, V> v;
+  REQUIRE(v.size() > 1);
+}
+
+template <typename T, size_t S> struct Bar {
+  size_t size() { return S; }
+};
+
+TEMPLATE_PRODUCT_TEST_CASE_SIG(
+    "A Template product test case with array signature",
+    "[template][product][nttp]", ((typename T, size_t S), T, S),
+    (std::array, Bar), ((int, 9), (float, 42))) {
+  TT();
+  TestType x;
+  REQUIRE(x.size() > 0);
+}
+
+template <typename T> struct test_config_get {
+  template <bool must_find> void run() {
+    //    Config c{};
+    //    std::string key{"the_key"};
+    //    std::string value{"the_value"};
+    //    c.set(key, value);
+    if constexpr (must_find) {
+      std::cout << "Test 1 ran";
+    } else {
+      std::cout << "Test 2 ran";
+    }
+  }
+};
+template <> template <bool must_find> void test_config_get<std::string>::run() {
+  if constexpr (must_find) {
+    std::cout << "Test 1 ran for strings";
+  } else {
+    std::cout << "Test 2 ran for strings";
+  }
+}
+
+TEMPLATE_PRODUCT_TEST_CASE("Test", "[test]", test_config_get,
+                           (int, std::string)) {
+  TT();
+  TestType t;
+  test_config_get<int> s;
+  s.template run<true>();
+  //  TestType t;
+  //  t.run<true>();
+}

cpp/multithreading/CMakeLists.txt

@@ -15,6 +15,9 @@ project(
     LANGUAGES   CXX
 )
 
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+add_compile_options("-Wall")
+
 add_subdirectory(conditions)
 add_subdirectory(deadlock)
 add_subdirectory(livelock)

cpp/multithreading/README.md

@@ -0,0 +1,25 @@
+# Multithreading
+
+A few basic multithreading programs written in C++ while learning about 
+the [concurrency support library](https://en.cppreference.com/w/cpp/thread)
+
+```
+klips/cpp/multithreading
+.
+├── conditions     # Using condition_variable to control job execution flow
+├── deadlock       # Example of problem and solution for deadlocks
+├── livelock       # Example of problem and solution for livelocks
+├── race-condition # Example of problem and solution for race conditions
+└── README.md
+```
+
+We can build the examples with the following commands.
+
+```bash
+cd /path/to/klips/cpp/multithreading/
+mkdir build && cd build
+cmake .. && cmake --build .
+ls bin/
+
+multithread-conditions  multithread-deadlock  multithread-livelock  multithread-race-condition
+```

cpp/qt/CMakeLists.txt

@@ -0,0 +1,24 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: A root project for practicing Qt 6 projects in C++                  ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]   Klips
+    VERSION     1.0
+    DESCRIPTION "A root project for several small Qt6 practice projects"
+    LANGUAGES   CXX
+)
+
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+add_compile_options("-Wall")
+
+add_subdirectory(designer)
+add_subdirectory(designer-plugin)
+add_subdirectory(designer-plugin-collection)
+add_subdirectory(slots)

cpp/qt/README.md

@@ -0,0 +1,32 @@
+# Cpp
+
+```bash
+shaunrd0/klips/cpp/qt/
+├── designer                    # Using Qt Designer to create application GUI
+├── designer-plugin             # Adding custom widgets as Qt Designer plugins
+├── designer-plugin-collection  # Adding a collection of widget plugins to Qt Designer
+└── README.md
+```
+
+This directory contains a `CMakeLists.txt`, which can be selected to open as a 
+project within your preferred IDE. From there, all nested examples can be built,
+debugged, and ran.
+
+The plugin examples will need to be installed for Qt Designer integration to work.
+On Linux, Qt Designer looks under `/some/path/to/Qt/Tools/QtCreator/lib/Qt/plugins/designer/`.
+On windows or Mac, this path may differ. Unfortunately I don't have these machines to test for myself.
+
+```bash
+cd klips/cpp/qt/designer-plugin-collection
+mkdir build && cd build
+cmake .. && cmake --build . --target install
+```
+
+After installing the plugin collection example above, we can open Qt Creator and navigate to the Designer.
+We should see the custom collection is available within the Designer, and the contents of the widgets render correctly in the application view.
+
+
+![side-panel-view.png](side-panel-view.png)
+
+
+![plugin-render-view.png](plugin-render-view.png)

cpp/qt/designer-plugin-collection/CMakeLists.txt

@@ -0,0 +1,110 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Example of making a collection of widget plugins for Qt Designer    ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       DesignerPluginCollection
+    VERSION         1.0
+    DESCRIPTION     "Example of a widget plugin collection for Qt Designer"
+    LANGUAGES       CXX
+)
+
+include(GenerateExportHeader)
+
+add_compile_options(-Wall)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_SHARED_MODULE_PREFIX "")
+
+set(QT_DIR "$ENV{HOME}/Code/Clones/Qt/" CACHE PATH "Path to Qt6")
+# Qt Designer will look in different locations if WIN / Unix.
+# These paths are for using Qt Designer integrated within Qt Creator.
+# Standalone Qt Designer may use different paths.
+if (WIN32)
+    set(QT_PLUGIN_INSTALL_DIR
+        "${QT_DIR}/Tools/QtCreator/bin/plugins/designer"
+    )
+    # This path may be different on windows. I have not tested this.
+    set(QT_PLUGIN_LIBRARY_DIR
+        "${QT_DIR}/Tools/QtCreator/lib/Qt/lib"
+    )
+else()
+    set(QT_PLUGIN_INSTALL_DIR
+        "${QT_DIR}/Tools/QtCreator/lib/Qt/plugins/designer"
+    )
+    set(QT_PLUGIN_LIBRARY_DIR
+        "${QT_DIR}/Tools/QtCreator/lib/Qt/lib"
+    )
+endif()
+# This should be set to your Qt6 installation directory.
+set(QT_INSTALL_DIR "${QT_DIR}/6.3.1/gcc_64/" CACHE PATH "Path to Qt6 install")
+list(APPEND CMAKE_PREFIX_PATH "${QT_INSTALL_DIR}")
+
+find_package(Qt6 REQUIRED COMPONENTS UiPlugin Core Gui Widgets)
+
+# Creating a library with two plugins for the collection.
+qt_add_library(widget-plugin-library
+    textview.cpp textview.h
+    widgetplugin.cpp widgetplugin.h
+)
+target_sources(widget-plugin-library PRIVATE
+    textview.cpp textview.h
+    treeview.cpp treeview.h
+    widgetplugin.cpp widgetplugin.h
+)
+set_target_properties(widget-plugin-library PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+target_link_libraries(widget-plugin-library
+    PUBLIC Qt::UiPlugin Qt::Core Qt::Gui Qt::Widgets
+)
+
+install(TARGETS widget-plugin-library
+    RUNTIME DESTINATION "${QT_PLUGIN_LIBRARY_DIR}"
+    BUNDLE DESTINATION "${QT_PLUGIN_LIBRARY_DIR}"
+    LIBRARY DESTINATION "${QT_PLUGIN_LIBRARY_DIR}"
+)
+
+generate_export_header(widget-plugin-library)
+
+# Creating the collection
+
+qt_add_library(widget-plugin-collection
+    widgetplugincollection.cpp widgetplugincollection.h
+)
+target_link_libraries(widget-plugin-collection
+    Qt6::Widgets Qt6::UiPlugin widget-plugin-library
+)
+install(TARGETS widget-plugin-collection
+    RUNTIME DESTINATION "${QT_PLUGIN_INSTALL_DIR}"
+    BUNDLE DESTINATION "${QT_PLUGIN_INSTALL_DIR}"
+    LIBRARY DESTINATION "${QT_PLUGIN_INSTALL_DIR}"
+)
+
+# Application that will use the widget plugin
+
+set(APP_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/app-dir.h.in"
+    "${CMAKE_CURRENT_SOURCE_DIR}/app-dir.h"
+    @ONLY
+)
+
+qt_add_executable(widget-app
+    widgetapp.cpp widgetapp.h widgetapp.ui
+    main.cpp
+)
+target_link_libraries(widget-app
+    PRIVATE Qt::Widgets widget-plugin-library
+)

cpp/qt/designer-plugin-collection/app-dir.h

@@ -0,0 +1,6 @@
+#ifndef APPDIR_H_IN
+#define APPDIR_H_IN
+
+#define APP_DIR "/home/kapper/Code/klips/cpp/qt/designer-plugin-collection"
+
+#endif // APPDIR_H_IN

cpp/qt/designer-plugin-collection/app-dir.h.in

@@ -0,0 +1,6 @@
+#ifndef APPDIR_H_IN
+#define APPDIR_H_IN
+
+#define APP_DIR "@APP_DIR@"
+
+#endif // APPDIR_H_IN

cpp/qt/designer-plugin-collection/main.cpp

@@ -0,0 +1,18 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Main driver fprogram for practice using signals and slots in Qt     ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widgetapp.h"
+#include <QApplication>
+
+int main(int argc, char *argv[]) {
+  QApplication app(argc, argv);
+  WidgetApp widgetApp;
+  widgetApp.show();
+  return app.exec();
+}

cpp/qt/designer-plugin-collection/textview.cpp

@@ -0,0 +1,10 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Text viewer for signals and slots examples                          ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "textview.h"

cpp/qt/designer-plugin-collection/textview.h

@@ -0,0 +1,44 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Text viewer for signals and slots examples                          ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_TEXTVIEW_H
+#define KLIPS_TEXTVIEW_H
+
+#include "widget-plugin-library_export.h"
+#include <QPlainTextEdit>
+
+class WIDGET_PLUGIN_LIBRARY_EXPORT TextView : public QPlainTextEdit {
+  Q_OBJECT
+
+public:
+  explicit TextView(QWidget *parent = nullptr) : QPlainTextEdit(parent) {
+    appendPlainText("This is an example of a custom QTextView widget.");
+  }
+
+  ~TextView() = default;
+
+  QString includeFile() const { return QStringLiteral("text-view.h"); };
+public:
+signals:
+  void sendTest();
+
+private:
+signals:
+  void sentTestPrivate();
+
+public slots:
+  void test() { appendPlainText("Test signal received by TextView."); }
+
+  void testArgs(const QString &message) { appendPlainText(message); }
+
+private slots:
+  void testPrivate() {}
+};
+
+#endif // KLIPS_TEXTVIEW_H

cpp/qt/designer-plugin-collection/treeview.cpp

@@ -0,0 +1,10 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Tree viewer                                                         ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "treeview.h"

cpp/qt/designer-plugin-collection/treeview.h

@@ -0,0 +1,36 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Tree viewer                                                         ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_TREEVIEW_H
+#define KLIPS_TREEVIEW_H
+
+#include "widget-plugin-library_export.h"
+#include <app-dir.h>
+
+#include <QFileSystemModel>
+#include <QSortFilterProxyModel>
+#include <QTreeView>
+
+class WIDGET_PLUGIN_LIBRARY_EXPORT TreeView : public QTreeView {
+  Q_OBJECT
+
+public:
+  explicit TreeView(QWidget *parent = nullptr) : QTreeView(parent) {
+    QFileSystemModel *model = new QFileSystemModel;
+    QSortFilterProxyModel *proxy = new QSortFilterProxyModel(this);
+    QModelIndex rootModelIndex = model->setRootPath(APP_DIR);
+    proxy->setSourceModel(model);
+    setModel(proxy);
+    setRootIndex(proxy->mapFromSource(rootModelIndex));
+  }
+
+  ~TreeView() = default;
+};
+
+#endif // KLIPS_TREEVIEW_H

cpp/qt/designer-plugin-collection/widgetapp.cpp

@@ -0,0 +1,15 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Application that uses widget from the collection                    ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widgetapp.h"
+
+WidgetApp::WidgetApp(QWidget *parent) : QMainWindow(parent) {
+  m_widgetApp = new Ui::MainWindow;
+  m_widgetApp->setupUi(this);
+}

cpp/qt/designer-plugin-collection/widgetapp.h

@@ -0,0 +1,37 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Application that uses a custom Qt Designer widget plugin            ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_WIDGETAPP_H
+#define KLIPS_WIDGETAPP_H
+
+#include <QDockWidget>
+#include <QMainWindow>
+#include <QPlainTextEdit>
+#include <QVBoxLayout>
+#include <QWidget>
+
+#include "ui_widgetapp.h"
+
+class WidgetApp : public QMainWindow {
+  Q_OBJECT
+
+public:
+  explicit WidgetApp(QWidget *parent = nullptr);
+  ~WidgetApp() = default;
+
+  Ui::MainWindow * m_widgetApp;
+public:
+signals:
+  void sendTest();
+
+public slots:
+  void test(){};
+};
+
+#endif // KLIPS_WIDGETAPP_H

cpp/qt/designer-plugin-collection/widgetapp.ui

@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <property name="enabled">
+    <bool>true</bool>
+   </property>
+   <property name="sizePolicy">
+    <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+     <horstretch>0</horstretch>
+     <verstretch>0</verstretch>
+    </sizepolicy>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout_9">
+    <item>
+     <widget class="TextView" name="text-view_4" native="true"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>22</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionOption1"/>
+    <addaction name="actionOption2"/>
+    <addaction name="separator"/>
+    <addaction name="actionCategory_2"/>
+   </widget>
+   <widget class="QMenu" name="menuEdit">
+    <property name="title">
+     <string>Edit</string>
+    </property>
+   </widget>
+   <widget class="QMenu" name="menuHelp">
+    <property name="title">
+     <string>Help</string>
+    </property>
+   </widget>
+   <addaction name="menuFile"/>
+   <addaction name="menuEdit"/>
+   <addaction name="menuHelp"/>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+  <widget class="QDockWidget" name="dockWidget_5">
+   <attribute name="dockWidgetArea">
+    <number>1</number>
+   </attribute>
+   <widget class="QWidget" name="dockWidgetContents_8">
+    <layout class="QHBoxLayout" name="horizontalLayout_10">
+     <item>
+      <widget class="TreeView" name="tree-view"/>
+     </item>
+    </layout>
+   </widget>
+  </widget>
+  <action name="actionOption1">
+   <property name="text">
+    <string>Option1</string>
+   </property>
+  </action>
+  <action name="actionOption2">
+   <property name="text">
+    <string>Option2</string>
+   </property>
+  </action>
+  <action name="actionCategory_2">
+   <property name="text">
+    <string>Section 2</string>
+   </property>
+  </action>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>TreeView</class>
+   <extends>QWidget</extends>
+   <header>treeview.h</header>
+  </customwidget>
+  <customwidget>
+   <class>TextView</class>
+   <extends>QWidget</extends>
+   <header>textview.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>

cpp/qt/designer-plugin-collection/widgetplugin.cpp

@@ -0,0 +1,52 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Example of a generic Qt Designer widget plugin                      ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widgetplugin.h"
+#include "textview.h"
+
+#include <QtPlugin>
+#include <utility>
+
+WidgetPlugin::WidgetPlugin(QString group, QString name,
+                           WidgetPlugin::Factory factory)
+    : m_group(std::move(group)), m_name(std::move(name)),
+      m_includeFile(name + ".h"), m_factory(std::move(factory)) {}
+
+WidgetPlugin::WidgetPlugin(QString group, QString name, QString include,
+                           WidgetPlugin::Factory factory)
+    : m_group(std::move(group)), m_name(std::move(name)),
+      m_includeFile(std::move(include)), m_factory(std::move(factory)) {}
+
+QString WidgetPlugin::toolTip() const { return {}; }
+
+QString WidgetPlugin::whatsThis() const { return {}; }
+
+QIcon WidgetPlugin::icon() const { return {}; }
+
+bool WidgetPlugin::isContainer() const { return false; }
+
+QString WidgetPlugin::group() const { return m_group; }
+
+QString WidgetPlugin::name() const { return m_name; }
+
+// TODO: The generated UI headers do not use this member appropriately.
+QString WidgetPlugin::includeFile() const { return m_includeFile; }
+
+QWidget *WidgetPlugin::createWidget(QWidget *parent) {
+  return m_factory(parent);
+}
+
+bool WidgetPlugin::isInitialized() const { return m_initialized; }
+
+void WidgetPlugin::initialize(QDesignerFormEditorInterface *) {
+  if (m_initialized)
+    return;
+
+  m_initialized = true;
+}

cpp/qt/designer-plugin-collection/widgetplugin.h

@@ -0,0 +1,52 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Example Qt Designer widget plugin                                   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_WIDGETPLUGIN_H
+#define KLIPS_WIDGETPLUGIN_H
+
+#include <QDesignerCustomWidgetInterface>
+
+class WidgetPlugin : public QObject, public QDesignerCustomWidgetInterface {
+  Q_OBJECT
+  Q_PLUGIN_METADATA(IID "com.Klips.WidgetPlugin")
+  Q_INTERFACES(QDesignerCustomWidgetInterface)
+
+  using Factory = std::function<QWidget *(QWidget *)>;
+
+public:
+  WidgetPlugin(QString group, QString name, Factory factory);
+  WidgetPlugin(QString group, QString name, QString include, Factory factory);
+
+  explicit WidgetPlugin(QObject *parent = nullptr) : QObject(parent) {}
+
+  ~WidgetPlugin() = default;
+
+public:
+  [[nodiscard]] QString group() const override;
+  [[nodiscard]] QString name() const override;
+  [[nodiscard]] QString includeFile() const override;
+  QWidget *createWidget(QWidget *parent) override;
+
+  [[nodiscard]] QString toolTip() const override;
+  [[nodiscard]] QString whatsThis() const override;
+  [[nodiscard]] QIcon icon() const override;
+  [[nodiscard]] bool isContainer() const override;
+  [[nodiscard]] bool isInitialized() const override;
+  void initialize(QDesignerFormEditorInterface *core) override;
+
+private:
+  bool m_initialized = false;
+
+  QString m_group;
+  QString m_name;
+  QString m_includeFile;
+  Factory m_factory;
+};
+
+#endif // KLIPS_WIDGETPLUGIN_H

cpp/qt/designer-plugin-collection/widgetplugincollection.cpp

@@ -0,0 +1,28 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Collection of widget plugins for Qt Designer                        ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widgetplugincollection.h"
+#include "textview.h"
+#include "treeview.h"
+#include "widgetplugin.h"
+
+WidgetPluginCollection::WidgetPluginCollection(QObject *parent)
+    : QObject(parent), m_collectionName("Klips Widget Plugin Collection") {
+  m_collection = {
+      new WidgetPlugin(m_collectionName, "Text View Widget", "text-view.h",
+                       [](QWidget *parent) { return new TextView(parent); }),
+      new WidgetPlugin(m_collectionName, "tree-view",
+                       [](QWidget *parent) { return new TreeView(parent); }),
+
+  };
+}
+QList<QDesignerCustomWidgetInterface *>
+WidgetPluginCollection::customWidgets() const {
+  return m_collection;
+}

cpp/qt/designer-plugin-collection/widgetplugincollection.h

@@ -0,0 +1,22 @@
+
+#ifndef DESIGNERPLUGINCOLLECTION_WIDGETPLUGINCOLLECTION_H
+#define DESIGNERPLUGINCOLLECTION_WIDGETPLUGINCOLLECTION_H
+
+#include <QDesignerCustomWidgetCollectionInterface>
+
+class WidgetPluginCollection : public QObject,
+                               public QDesignerCustomWidgetCollectionInterface {
+  Q_OBJECT
+  Q_PLUGIN_METADATA(IID "com.Klips.WidgetPluginCollection")
+  Q_INTERFACES(QDesignerCustomWidgetCollectionInterface)
+
+public:
+  explicit WidgetPluginCollection(QObject *parent = nullptr);
+  [[nodiscard]] QList<QDesignerCustomWidgetInterface *> customWidgets() const;
+
+private:
+  QList<QDesignerCustomWidgetInterface *> m_collection;
+  QString m_collectionName;
+};
+
+#endif // DESIGNERPLUGINCOLLECTION_WIDGETPLUGINCOLLECTION_H

cpp/qt/designer-plugin/CMakeLists.txt

@@ -0,0 +1,76 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Example of making widget plugins for Qt Designer                    ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       DesignerPlugin
+    VERSION         1.0
+    DESCRIPTION     "Example of a widget plugin for Qt Designer"
+    LANGUAGES       CXX
+)
+
+include(GenerateExportHeader)
+
+add_compile_options(-Wall)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_SHARED_MODULE_PREFIX "")
+
+set(QT_DIR "$ENV{HOME}/Code/Clones/Qt/" CACHE PATH "Path to Qt6")
+# Qt Designer will look in different locations if WIN / Unix.
+if (WIN32)
+    set(QT_PLUGIN_INSTALL_DIR
+        "${QT_DIR}/Tools/QtCreator/bin/plugins/designer"
+    )
+else()
+    set(QT_PLUGIN_INSTALL_DIR
+        "${QT_DIR}/Tools/QtCreator/lib/Qt/plugins/designer"
+    )
+endif()
+# This should be set to your Qt6 installation directory.
+set(QT_INSTALL_DIR "${QT_DIR}/6.3.1/gcc_64/" CACHE PATH "Path to Qt6 install")
+list(APPEND CMAKE_PREFIX_PATH "${QT_INSTALL_DIR}")
+
+find_package(Qt6 REQUIRED COMPONENTS UiPlugin Core Gui Widgets)
+
+# Creating the plugin
+
+qt_add_library(widget-plugin)
+target_sources(widget-plugin PRIVATE
+    text-view.cpp text-view.h
+    widget-plugin.cpp widget-plugin.h
+)
+set_target_properties(widget-plugin PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+target_link_libraries(widget-plugin PUBLIC
+    Qt::UiPlugin Qt::Core Qt::Gui Qt::Widgets
+)
+
+install(TARGETS widget-plugin
+    RUNTIME DESTINATION "${QT_PLUGIN_INSTALL_DIR}"
+    BUNDLE DESTINATION "${QT_PLUGIN_INSTALL_DIR}"
+    LIBRARY DESTINATION "${QT_PLUGIN_INSTALL_DIR}"
+)
+
+# Application that will use the widget plugin
+
+qt_add_executable(widget-app
+    widget-app.cpp widget-app.h widget-app.ui
+    main.cpp
+)
+target_link_libraries(widget-app PRIVATE
+    Qt::Widgets widget-plugin
+)

cpp/qt/designer-plugin/main.cpp

@@ -0,0 +1,18 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Main driver fprogram for practice using signals and slots in Qt     ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widget-app.h"
+#include <QApplication>
+
+int main(int argc, char *argv[]) {
+  QApplication app(argc, argv);
+  WidgetApp widgetApp;
+  widgetApp.show();
+  return app.exec();
+}

cpp/qt/designer-plugin/text-view.cpp

@@ -0,0 +1,10 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Text viewer for signals and slots examples                          ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "text-view.h"

cpp/qt/designer-plugin/text-view.h

@@ -0,0 +1,40 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Text viewer for signals and slots examples                          ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_TEXTVIEW_H
+#define KLIPS_TEXTVIEW_H
+
+#include <QPlainTextEdit>
+
+class TextView : public QPlainTextEdit {
+  Q_OBJECT
+
+public:
+  explicit TextView(QWidget *parent = nullptr) : QPlainTextEdit(parent) { }
+
+  ~TextView() = default;
+
+public:
+signals:
+  void sendTest();
+
+private:
+signals:
+  void sentTestPrivate();
+
+public slots:
+  void test() { appendPlainText("Test signal received by TextView."); }
+
+  void testArgs(const QString &message) { appendPlainText(message); }
+
+private slots:
+  void testPrivate() {}
+};
+
+#endif // KLIPS_TEXTVIEW_H

cpp/qt/designer-plugin/widget-app.cpp

@@ -0,0 +1,16 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Application that uses a custom Qt Designer widget plugin            ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widget-app.h"
+#include "widget-plugin.h"
+
+WidgetApp::WidgetApp(QWidget *parent) : QMainWindow(parent) {
+  m_ui = new Ui::MainWindow;
+  m_ui->setupUi(this);
+}

cpp/qt/designer-plugin/widget-app.h

@@ -0,0 +1,38 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Application that uses a custom Qt Designer widget plugin            ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_WIDGETAPP_H
+#define KLIPS_WIDGETAPP_H
+
+#include <QDockWidget>
+#include <QMainWindow>
+#include <QPlainTextEdit>
+#include <QVBoxLayout>
+#include <QWidget>
+
+#include "ui_widget-app.h"
+
+class WidgetApp : public QMainWindow {
+  Q_OBJECT
+
+public:
+  WidgetApp(QWidget *parent = nullptr);
+  ~WidgetApp() = default;
+
+  Ui::MainWindow *m_ui;
+
+public:
+signals:
+  void sendTest();
+
+public slots:
+  void test(){};
+};
+
+#endif // KLIPS_WIDGETAPP_H

cpp/qt/designer-plugin/widget-app.ui

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <layout class="QHBoxLayout" name="horizontalLayout"/>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>22</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

cpp/qt/designer-plugin/widget-plugin.cpp

@@ -0,0 +1,67 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Example Qt Designer widget plugin                                   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "widget-plugin.h"
+#include "text-view.h"
+
+#include <QtPlugin>
+
+QString WidgetPlugin::toolTip() const
+{
+    return {};
+}
+
+QString WidgetPlugin::whatsThis() const
+{
+    return {};
+}
+
+QIcon WidgetPlugin::icon() const
+{
+    return {};
+}
+
+bool WidgetPlugin::isContainer() const
+{
+    return false;
+}
+
+QString WidgetPlugin::group() const
+{
+    return m_group;
+}
+
+QString WidgetPlugin::name() const
+{
+  return QStringLiteral("KlipsWidgetPlugin");
+}
+
+QString WidgetPlugin::includeFile() const
+{
+  return QStringLiteral("widget-plugin.h");
+}
+
+QWidget *WidgetPlugin::createWidget(QWidget *parent)
+{
+  return new TextView(parent);
+}
+
+bool WidgetPlugin::isInitialized() const
+{
+    return m_initialized;
+}
+
+void WidgetPlugin::initialize(QDesignerFormEditorInterface *)
+{
+
+  if (m_initialized)
+    return;
+
+  m_initialized = true;
+}

cpp/qt/designer-plugin/widget-plugin.h

@@ -0,0 +1,45 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Example Qt Designer widget plugin                                   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_WIDGETPLUGIN_H
+#define KLIPS_WIDGETPLUGIN_H
+
+#include <QtUiPlugin/QDesignerCustomWidgetInterface>
+
+class WidgetPlugin : public QObject, public QDesignerCustomWidgetInterface {
+Q_OBJECT
+Q_PLUGIN_METADATA(IID "com.Klips.WidgetPlugin")
+Q_INTERFACES(QDesignerCustomWidgetInterface)
+
+public:
+  explicit WidgetPlugin(QObject *parent = nullptr) : QObject(parent) {}
+
+  ~WidgetPlugin() = default;
+public:
+  QString group() const override;
+  QString name() const override;
+  QString includeFile() const override;
+  QWidget *createWidget(QWidget *parent) override;
+
+  QString toolTip() const override;
+  QString whatsThis() const override;
+  QIcon icon() const override;
+  bool isContainer() const override;
+  bool isInitialized() const override;
+  void initialize(QDesignerFormEditorInterface *core) override;
+
+private:
+  bool m_initialized = false;
+
+  QString m_group;
+  QString m_name;
+  QString m_includeFile;
+};
+
+#endif // KLIPS_WIDGETPLUGIN_H

cpp/qt/designer/CMakeLists.txt

@@ -0,0 +1,52 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Practice project for using Qt Designer with custom C++ widgets      ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       Designer
+    VERSION         0.1
+    DESCRIPTION     "Practice using Qt designer for desktop applications"
+    LANGUAGES       CXX
+)
+
+add_compile_options(-Wall)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(QT_DIR "$ENV{HOME}/Code/Clones/Qt/6.3.1/gcc_64/" CACHE PATH "Path to Qt6")
+
+list(APPEND CMAKE_PREFIX_PATH "${QT_DIR}")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_add_executable(designer
+    designer.cpp designer.h designer.ui
+    debugconsole.h debugconsole.cpp debugconsole.ui
+    texteditor.h texteditor.cpp texteditor.ui
+    treeview.h treeview.cpp treeview.ui
+    main.cpp
+)
+
+set_target_properties(designer PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(designer PUBLIC Qt::Core Qt::Gui Qt::Widgets)
+
+install(TARGETS designer
+    RUNTIME DESTINATION "install/designer"
+    BUNDLE DESTINATION "install/designer"
+    LIBRARY DESTINATION "install/designer"
+)

cpp/qt/designer/debugconsole.cpp

@@ -0,0 +1,18 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Debug console widget made in Qt Designer with C++                   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "debugconsole.h"
+#include "ui_debugconsole.h"
+
+DebugConsole::DebugConsole(QWidget *parent)
+    : QDockWidget(parent), ui(new Ui::DebugConsole) {
+  ui->setupUi(this);
+}
+
+DebugConsole::~DebugConsole() { delete ui; }

cpp/qt/designer/debugconsole.h

@@ -0,0 +1,29 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Debug console widget made in Qt Designer with C++                   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef DEBUGCONSOLE_H
+#define DEBUGCONSOLE_H
+
+#include "ui_debugconsole.h"
+#include <QDockWidget>
+
+class DebugConsole : public QDockWidget {
+  Q_OBJECT
+
+public:
+  explicit DebugConsole(QWidget *parent = nullptr);
+  ~DebugConsole();
+
+  inline QPlainTextEdit *getConsole() { return ui->plainTextEdit; }
+
+private:
+  Ui::DebugConsole *ui;
+};
+
+#endif // DEBUGCONSOLE_H

cpp/qt/designer/debugconsole.ui

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DebugConsole</class>
+ <widget class="QDockWidget" name="DebugConsole">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>DockWidget</string>
+  </property>
+  <widget class="QWidget" name="dockWidgetContents">
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QPlainTextEdit" name="plainTextEdit"/>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

cpp/qt/designer/designer.cpp

@@ -0,0 +1,30 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: MainWindow for Qt Designer desktop application                      ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include <QtWidgets>
+
+#include "debugconsole.h"
+#include "designer.h"
+#include "texteditor.h"
+#include "treeview.h"
+
+Designer::Designer(QWidget *parent)
+    : QMainWindow(parent), designer_(new Ui::Designer) {
+  designer_->setupUi(this);
+  setCentralWidget(new TextEditor);
+  auto debugConsole = new DebugConsole;
+  debugConsole->getConsole()->appendPlainText("Test 1");
+  debugConsole->getConsole()->appendPlainText("Test 2");
+
+  auto treeView = new TreeView;
+
+  addDockWidget(Qt::DockWidgetArea::BottomDockWidgetArea, debugConsole);
+  addDockWidget(Qt::DockWidgetArea::BottomDockWidgetArea, treeView);
+  sendTest();
+}

cpp/qt/designer/designer.h

@@ -0,0 +1,39 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: MainWindow for Qt Designer desktop application                      ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_SLOTSAPP_H
+#define KLIPS_SLOTSAPP_H
+
+#include <QDockWidget>
+#include <QMainWindow>
+#include <QPlainTextEdit>
+#include <QVBoxLayout>
+#include <QWidget>
+
+#include "ui_designer.h"
+
+class Designer : public QMainWindow {
+  Q_OBJECT
+
+public:
+  Designer(QWidget *parent = nullptr);
+  ~Designer() = default;
+
+public:
+signals:
+  void sendTest();
+
+public slots:
+  void test(){};
+
+private:
+  Ui::Designer *designer_;
+};
+
+#endif // KLIPS_SLOTSAPP_H

cpp/qt/designer/designer.ui

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Designer</class>
+ <widget class="QMainWindow" name="Designer">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget"/>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>22</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+   </widget>
+   <addaction name="menuFile"/>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

cpp/qt/designer/main.cpp

@@ -0,0 +1,19 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Main driver program for Qt Designer desktop application..           ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "designer.h"
+#include <QApplication>
+
+int main(int argc, char * argv[]) {
+  QApplication app(argc, argv);
+  Designer qtk;
+  qtk.show();
+  // Show widget.
+  return app.exec();
+}

cpp/qt/designer/texteditor.cpp

@@ -0,0 +1,23 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Dockable text editor widget made in Qt Designer with C++            ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "texteditor.h"
+#include "ui_texteditor.h"
+
+TextEditor::TextEditor(QWidget *parent) :
+  QDockWidget(parent),
+  ui(new Ui::TextEditor)
+{
+  ui->setupUi(this);
+}
+
+TextEditor::~TextEditor()
+{
+  delete ui;
+}

cpp/qt/designer/texteditor.h

@@ -0,0 +1,31 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Dockable text editor widget made in Qt Designer with C++            ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef TEXTEDITOR_H
+#define TEXTEDITOR_H
+
+#include <QDockWidget>
+
+namespace Ui {
+  class TextEditor;
+}
+
+class TextEditor : public QDockWidget
+{
+  Q_OBJECT
+
+public:
+  explicit TextEditor(QWidget *parent = nullptr);
+  ~TextEditor();
+
+private:
+  Ui::TextEditor *ui;
+};
+
+#endif // TEXTEDITOR_H

cpp/qt/designer/texteditor.ui

@@ -0,0 +1,17 @@
+<ui version="4.0">
+ <class>TextEditor</class>
+ <widget class="QDockWidget" name="TextEditor">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>DockWidget</string>
+  </property>
+  <widget class="QWidget" name="dockWidgetContents"/>
+ </widget>
+</ui>

cpp/qt/designer/treeview.cpp

@@ -0,0 +1,23 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Dockable tree view widget made in Qt Designer with C++              ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "treeview.h"
+#include "ui_treeview.h"
+
+TreeView::TreeView(QWidget *parent) :
+  QDockWidget(parent),
+  ui(new Ui::TreeView)
+{
+  ui->setupUi(this);
+}
+
+TreeView::~TreeView()
+{
+  delete ui;
+}

cpp/qt/designer/treeview.h

@@ -0,0 +1,31 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Dockable tree view widget made in Qt Designer with C++              ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef TREEVIEW_H
+#define TREEVIEW_H
+
+#include <QDockWidget>
+
+namespace Ui {
+  class TreeView;
+}
+
+class TreeView : public QDockWidget
+{
+  Q_OBJECT
+
+public:
+  explicit TreeView(QWidget *parent = nullptr);
+  ~TreeView();
+
+private:
+  Ui::TreeView *ui;
+};
+
+#endif // TREEVIEW_H

cpp/qt/designer/treeview.ui

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>TreeView</class>
+ <widget class="QDockWidget" name="TreeView">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>DockWidget</string>
+  </property>
+  <widget class="QWidget" name="dockWidgetContents">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QTreeView" name="treeView"/>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

cpp/qt/slots/CMakeLists.txt

@@ -0,0 +1,50 @@
+################################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Practice project for using signals and slots in Qt                  ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+
+cmake_minimum_required(VERSION 3.15)
+
+project(
+    #[[NAME]]       Slots
+    VERSION         1.0
+    DESCRIPTION     "Practice using signals and slots in Qt 6"
+    LANGUAGES       CXX
+)
+
+add_compile_options(-Wall)
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+set(CMAKE_AUTOUIC ON)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(QT_DIR "$ENV{HOME}/Code/Clones/Qt/6.3.1/gcc_64/" CACHE PATH "Path to Qt6")
+
+list(APPEND CMAKE_PREFIX_PATH "${QT_DIR}")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+
+qt_add_executable(slots
+    text-view.cpp text-view.h
+    slots-app.cpp slots-app.h
+    main.cpp
+)
+
+set_target_properties(slots PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(slots PUBLIC Qt::Core Qt::Gui Qt::Widgets)
+
+install(TARGETS slots
+    RUNTIME DESTINATION "install/slots"
+    BUNDLE DESTINATION "install/slots"
+    LIBRARY DESTINATION "install/slots"
+)

cpp/qt/slots/main.cpp

@@ -0,0 +1,18 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Main driver fprogram for practice using signals and slots in Qt     ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "slots-app.h"
+#include <QApplication>
+
+int main(int argc, char *argv[]) {
+  QApplication app(argc, argv);
+  SlotsApp slotsApp;
+  slotsApp.show();
+  return app.exec();
+}

cpp/qt/slots/slots-app.cpp

@@ -0,0 +1,42 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: MainWindow application for practice using signals and slots in Qt   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "slots-app.h"
+#include "text-view.h"
+
+SlotsApp::SlotsApp(QWidget *parent) : QMainWindow(parent) {
+
+  auto textBox = new QPlainTextEdit;
+  auto textView = new TextView;
+  auto frame = new QFrame;
+
+  auto dock = new QDockWidget(this);
+  auto dockWidget = new QWidget;
+  auto dockWidgetLayout = new QVBoxLayout;
+  dockWidgetLayout->addWidget(frame);
+  dockWidgetLayout->addWidget(textBox);
+  dockWidget->setLayout(dockWidgetLayout);
+  dock->setWidget(dockWidget);
+
+  auto dock2 = new QDockWidget(this);
+  auto dockWidget2 = new QWidget;
+  auto dockWidgetLayout2 = new QVBoxLayout;
+  dockWidgetLayout2->addWidget(textView);
+  dockWidget2->setLayout(dockWidgetLayout2);
+  dock2->setWidget(dockWidget2);
+
+  textBox->setReadOnly(true);
+  textBox->appendPlainText("Test 1");
+  textBox->appendPlainText("Test 2");
+
+  addDockWidget(Qt::DockWidgetArea::BottomDockWidgetArea, dock);
+  addDockWidget(Qt::DockWidgetArea::BottomDockWidgetArea, dock2);
+  connect(this, &SlotsApp::sendTest, textView, &TextView::test);
+  sendTest();
+}

cpp/qt/slots/slots-app.h

@@ -0,0 +1,34 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: MainWindow application for practice using signals and slots in Qt   ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_SLOTSAPP_H
+#define KLIPS_SLOTSAPP_H
+
+#include <QDockWidget>
+#include <QMainWindow>
+#include <QPlainTextEdit>
+#include <QVBoxLayout>
+#include <QWidget>
+
+class SlotsApp : public QMainWindow {
+  Q_OBJECT
+
+public:
+  SlotsApp(QWidget *parent = nullptr);
+  ~SlotsApp() = default;
+
+public:
+signals:
+  void sendTest();
+
+public slots:
+  void test(){};
+};
+
+#endif // KLIPS_SLOTSAPP_H

cpp/qt/slots/text-view.cpp

@@ -0,0 +1,10 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Text viewer for signals and slots examples                          ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#include "text-view.h"

cpp/qt/slots/text-view.h

@@ -0,0 +1,40 @@
+/*##############################################################################
+## Author: Shaun Reed                                                         ##
+## Legal: All Content (c) 2022 Shaun Reed, all rights reserved                ##
+## About: Text viewer for signals and slots examples                          ##
+##                                                                            ##
+## Contact: shaunrd0@gmail.com  | URL: www.shaunreed.com | GitHub: shaunrd0   ##
+################################################################################
+*/
+
+#ifndef KLIPS_TEXTVIEW_H
+#define KLIPS_TEXTVIEW_H
+
+#include <QPlainTextEdit>
+
+class TextView : public QPlainTextEdit {
+  Q_OBJECT
+
+public:
+  TextView(QWidget *parent = nullptr) {}
+
+  ~TextView() = default;
+
+public:
+signals:
+  void sendTest()QWidget;
+
+private:
+signals:
+  void sentTestPrivate();
+
+public slots:
+  void test() { appendPlainText("Test signal received by TextView."); }
+
+  void testArgs(const QString &message) { appendPlainText(message); }
+
+private slots:
+  void testPrivate() {}
+};
+
+#endif // KLIPS_TEXTVIEW_H

dotnet/README.md

@@ -0,0 +1,11 @@
+# dotnet
+
+```bash
+shaunrd0/klips/dotnet/
+├── sitemap     # Custom library to generate sitemaps
+├── testing     # General .NET practice
+└── README.md
+```
+
+All of these projects were created with the `dotnet` CLI on Linux (Kubuntu 20.04).
+They have not been tested on any other platform.

dotnet/sitemap/.gitignore

@@ -0,0 +1,454 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+##
+## Visual studio for Mac
+##
+
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+##
+## Visual Studio Code
+##
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

dotnet/sitemap/ConsoleApp/ConsoleApp.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\SiteMapLibrary\SiteMapLibrary.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

dotnet/sitemap/ConsoleApp/Program.cs

@@ -0,0 +1,12 @@
+using SiteMapLibrary;
+
+// Create an XmlManager to use for generating our sitemap; Provide a file path (and optional Xml settings; See ctor)
+var mgr = new XmlManager("/home/kapper/Code/klips/dotnet/sitemap/ConsoleApp/TestFiles/sitemap.xml");
+// If we want to output the sitemap to the console, instead of saving to a file
+// var mgr = new XmlManager("Console.Out");
+
+// Provide a base URL to start crawling, an XmlManager, and a Regex pattern to use for matching URLs while crawling
+using SiteMap siteMap = new SiteMap("https://knoats.com", mgr,
+  new("(http?s://knoats.com(?!.*/dist/|.*/settings/|.*/register/|.*/login/|.*/uploads/|.*/export/|.*/search?).*?(?=\"))"));
+// Start crawling; When this returns, we have visited all found URLs and wrote them to our sitemap
+await siteMap.Crawl();

dotnet/sitemap/ConsoleApp/TestFiles/robots.txt

@@ -0,0 +1,9 @@
+User-agent: *
+Disallow:
+Disallow: /dist/
+Disallow: /settings/
+Disallow: /register/
+Disallow: /login/
+Disallow: /uploads/
+Disallow: /export/
+Disallow: /search?

dotnet/sitemap/ConsoleApp/TestFiles/sitemap.xml

@@ -0,0 +1,975 @@
+<?xml version="1.0" encoding="utf-8"?>
+<urlset>
+  <url>
+    <loc>https://knoats.com</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/tags</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/login</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/shelves</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/c</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/register</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/pi</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/vim</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/git</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/ansible</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/security</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/password/email</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/bookstack</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/user/shaun-reed</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/c?shelf=2</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/javascript</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/blockchain</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/vim?shelf=1</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/vim?shelf=2</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/git?shelf=2</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/shelves/containers</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/c/page/basics</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/shelves/programming</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker?shelf=3</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker?shelf=1</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/c/page/classes</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/vim/page/notes</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/ansible?shelf=1</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/git/page/basics</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/game-development</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/pages/recently-updated</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/security?shelf=1</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/bookstack?shelf=3</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/git/chapter/usage</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking?shelf=3</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking?shelf=1</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker/page/gitlab</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker/page/shlink</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin?shelf=3</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin?shelf=1</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/git/page/submodules</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin/page/i3</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking/page/dns</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker/page/heimdall</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/pi/page/installation</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/c-s68/page/dotnet-cli</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/c/page/multithreading</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin/page/grub</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/javascript/page/webgl</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin/page/arch</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking/page/tcpip</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking/page/nginx</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/link/30#bkmrk-configure-ssl</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/security/page/fail2ban</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking/page/apache</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/docker/page/dockerfile</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/git/page/authentication</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin/page/debian</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/networking/page/tcp-udp</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
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+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/vim/page/configuring-vim#bkmrk-unicode.vim-plugin</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/game-development/page/retarget-skeleton-animations</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/self-hosted-applications/page/mame-web-application</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/linux-admin/page/configuring-multi-boot-filesystems</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+  <url>
+    <loc>https://knoats.com/books/self-hosted-applications/chapter/documentation-generators</loc>
+    <lastmod>2022-5-4</lastmod>
+    <changefreq>daily</changefreq>
+    <priority>0.5</priority>
+  </url>
+</urlset>

dotnet/sitemap/README.md

@@ -0,0 +1,45 @@
+
+Sitemap generator I created while learning some C#.
+Example of using the library is in `ConsoleApp/Program.cs`, files used for testing are in `ConsoleApp/TestFiles/`
+`ConsoleApp/TestFiles/sitemap.xml` currently contains the sitemap for my website.
+If we run the console application with a different URL that targets this same file, the file will be overwritten with the new sitemap.
+There is no need to delete or recreate files manually.
+
+I plan to check for a `robots.txt` while generating sitemaps to prevent crawling pages that aren't useful.
+For now there is no use for a `robots.txt`, the `SiteMap.Crawl()` function visits the URL provided to the `SiteMap` constructor.
+Regex is used to check the visited page and match URLs with the same base domain, the URLS found are logged for the crawler to visit.
+Each time we finish collecting URLS on a page, we move to the next URL in the queue and repeat this process.
+Once we finish crawling all URLs, an XML sitemap is generated where the URLs are sorted by their length.
+
+I used [sitemaps.org - XML Format](https://www.sitemaps.org/protocol.html) to determine the proper formatting for the sitemap.
+For now, since the web application I used for testing does not respond with [Last-Modified](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified) in the HTTP header, the last modified time is set to the date the sitemap was generated.
+The `priority` fields are all set to the default value indicated on sitemaps.org, which is `0.5`. 
+This is to avoid confusing crawlers with a huge list of 'top-priority' pages to crawl.
+All `changefreq` fields of the sitemap are marked as `daily`.
+
+The primary motivation for this project was learning about unmanaged resources in C#, and trying out the [Dispose Pattern](https://docs.microsoft.com/en-us/dotnet/standard/garbage-collection/implementing-dispose?redirectedfrom=MSDN#implement-the-dispose-pattern) for myself.
+If someone reading this were to find a problem with the way I handled disposing of the `HttpClient` in the `SiteMap` class, feel free to let me know :) Creating an issue, PR, or sending an email is all acceptable.
+
+### Future plans
+* Parse `robots.txt` to avoid crawling pages that are not desired
+* Test the generator with an application that serves `LastModified` date; Use it if available
+* Set `priority` in a more useful way, or allow some form of customization of the way this is handled.
+* Set `changefreq` in a more useful way, or allow some form of customization of the way this is handled.
+* Generate a regex pattern to match, if one is not provided
+
+For now, the general use of this library is seen in the example below.
+
+```C#
+using SiteMapLibrary;
+
+// Create an XmlManager to use for generating our sitemap; Provide a file path (and optional Xml settings; See ctor)
+var mgr = new XmlManager("/home/kapper/Code/klips/dotnet/sitemap/ConsoleApp/TestFiles/sitemap.xml");
+// If we want to output the sitemap to the console, instead of saving to a file
+// var mgr = new XmlManager("Console.Out");
+
+// Provide a base URL to start crawling, an XmlManager, and a Regex pattern to use for matching URLs while crawling
+using SiteMap siteMap = new SiteMap("https://knoats.com", mgr,
+  new("(http?s://knoats.com(?!.*/dist/|.*/settings/|.*/register/|.*/login/|.*/uploads/|.*/export/|.*/search?).*?(?=\"))"));
+// Start crawling; When this returns, we have visited all found URLs and wrote them to our sitemap
+await siteMap.Crawl();
+```

dotnet/sitemap/SiteMapLibrary/SiteMap.cs

@@ -0,0 +1,114 @@
+using System.Text.RegularExpressions;
+
+namespace SiteMapLibrary;
+
+public class SiteMap : IDisposable
+{
+  private HttpClient _client;
+  private HashSet<string> _foundUrls;
+  private HashSet<string> _visitedUrls;
+  private Queue<string> _visitQueue;
+  private bool _disposed = false;
+  private XmlManager XmlManager { get; set; }
+  public string? Url { get; private set; }
+  public Regex Regexp { get; set; }
+
+  public SiteMap(string url, string savepath, Regex pattern)
+  {
+    Url = url;
+    _client = new HttpClient();
+    _foundUrls = new HashSet<string>();
+    _visitedUrls = new HashSet<string>();
+    _visitQueue = new Queue<string>();
+    Regexp = pattern;
+    XmlManager = new XmlManager(savepath);
+  }
+
+  public SiteMap(string url, XmlManager mgr, Regex pattern)
+  {
+    _client = new HttpClient();
+    _foundUrls = new HashSet<string>();
+    _visitedUrls = new HashSet<string>();
+    _visitQueue = new Queue<string>();
+    Regexp = pattern;
+    Url = url;
+    XmlManager = mgr;
+  }
+
+  public async Task Crawl()
+  {
+    while (Url != null)
+    {
+      _visitedUrls.Add(Url);
+      using var content = await _client.GetAsync(Url);
+      if (!content.IsSuccessStatusCode)
+      {
+        Console.WriteLine($"{content.StatusCode} on url: {Url}");
+        NextUrl();
+        continue;
+      }
+
+      var m = Regexp.Match(await content.Content.ReadAsStringAsync());
+      while (m.Success)
+      {
+        foreach (Group group in m.Groups)
+        {
+          if (_foundUrls.Add(group.Value))
+          {
+            Console.WriteLine(group.Value);
+            // Console.WriteLine(content.Content.Headers.LastModified);
+            if (!_visitedUrls.Contains(group.Value) && !_visitQueue.Contains(group.Value))
+            {
+              _visitQueue.Enqueue(group.Value);
+            }
+          }
+        }
+
+        m = m.NextMatch();
+      }
+
+      NextUrl();
+      content.Dispose();
+    }
+    WriteXml();
+  }
+
+  private void WriteXml()
+  {
+    List<string> urls = new List<string>(_visitedUrls.OrderBy(k => k.Length).ToArray());
+    foreach (string url in urls)
+    {
+      XmlManager.AddUrl(url);
+    }
+    XmlManager.Save();
+  }
+
+  private void NextUrl()
+  {
+    if (_visitQueue.Count == 0)
+    {
+      Url = null;
+      return;
+    }
+    Url = _visitQueue.Dequeue();
+  }
+
+  public void Dispose()
+  {
+    Dispose(true);
+    GC.SuppressFinalize(this);
+  }
+
+  public void Dispose(bool disposing)
+  {
+    if (!_disposed)
+    {
+      if (disposing)
+      {
+        _client.Dispose();
+      }
+
+      _disposed = true;
+    }
+  }
+}

dotnet/sitemap/SiteMapLibrary/SiteMapLibrary.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <RootNamespace>SiteMap</RootNamespace>
+  </PropertyGroup>
+
+</Project>

dotnet/sitemap/SiteMapLibrary/XmlManager.cs

@@ -0,0 +1,59 @@
+using System.Xml;
+
+namespace SiteMapLibrary;
+
+public class XmlManager
+{
+  private XmlDocument XmlDocument { get; set; }
+  private XmlDeclaration XmlDeclaration { get; set; } 
+  private XmlElement XmlUrlset { get; set; }
+  private string Path { get; set; }
+
+  public XmlManager(string path,
+    string version="1.0", string encoding="utf-8", string standalone="")
+  {
+    XmlDocument = new XmlDocument();
+    XmlDeclaration = XmlDocument.CreateXmlDeclaration(version, encoding, standalone);
+    XmlDocument.AppendChild(XmlDeclaration);
+    XmlUrlset = XmlDocument.CreateElement("urlset");
+    XmlDocument.AppendChild(XmlUrlset);
+    Path = path;
+  }
+
+  ~XmlManager()
+  {
+    Save();
+  }
+  
+  public void AddUrl(string url)
+  {
+    XmlElement newUrl = XmlDocument.CreateElement("url");
+    XmlUrlset.AppendChild(newUrl);
+    XmlElement newLoc = XmlDocument.CreateElement("loc");
+    newLoc.InnerText = url;
+    newUrl.AppendChild(newLoc);
+    var lastmod = XmlDocument.CreateElement("lastmod");
+    lastmod.InnerText = DateTime.Now.Year.ToString() 
+                        + '-' + DateTime.Now.Month.ToString()
+                        + '-' + DateTime.Now.Day;
+    newUrl.AppendChild(lastmod);
+    var changeFreq = XmlDocument.CreateElement("changefreq");
+    changeFreq.InnerText = "daily";
+    newUrl.AppendChild(changeFreq);
+    var priority = XmlDocument.CreateElement("priority");
+    priority.InnerText = "0.5";
+    newUrl.AppendChild(priority);
+  }
+  
+  public void Save()
+  {
+    if (Path == "Console.Out")
+    {
+      XmlDocument.Save(Console.Out);
+    }
+    else
+    {
+      XmlDocument.Save(Path);
+    }
+  }
+}

dotnet/sitemap/sitemap.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30114.105
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SiteMapLibrary", "SiteMapLibrary\SiteMapLibrary.csproj", "{0BDEDA94-7BBF-4F82-9A14-131C4F8A3330}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConsoleApp", "ConsoleApp\ConsoleApp.csproj", "{600802AC-C872-4115-BFE6-DA2AE7138F9C}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{0BDEDA94-7BBF-4F82-9A14-131C4F8A3330}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0BDEDA94-7BBF-4F82-9A14-131C4F8A3330}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0BDEDA94-7BBF-4F82-9A14-131C4F8A3330}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0BDEDA94-7BBF-4F82-9A14-131C4F8A3330}.Release|Any CPU.Build.0 = Release|Any CPU
+		{600802AC-C872-4115-BFE6-DA2AE7138F9C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{600802AC-C872-4115-BFE6-DA2AE7138F9C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{600802AC-C872-4115-BFE6-DA2AE7138F9C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{600802AC-C872-4115-BFE6-DA2AE7138F9C}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

dotnet/testing/.gitignore

@@ -0,0 +1,454 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+##
+## Visual studio for Mac
+##
+
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+##
+## Visual Studio Code
+##
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

dotnet/testing/KlipsConsole/KlipsConsole.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <ItemGroup>
+    <ProjectReference Include="..\KlipsLibrary\KlipsLibrary.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

dotnet/testing/KlipsConsole/Program.cs

@@ -0,0 +1,14 @@
+using KlipsLibrary;
+
+Klips.SayHello();
+
+int[] arr = { 2, 4, 6, 2, 1, 44, 10 };
+Klips.Print(arr);
+
+Console.WriteLine();
+HashSet<string> set = new HashSet<string>(){ "hi", "my", "name", "is", "shaun" };
+Klips.Print(set);
+Console.WriteLine();
+
+// Test other C# containers
+Klips.TestContainers();

dotnet/testing/KlipsLibrary.Test/KlipsLibrary.Test.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="3.1.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\KlipsLibrary\KlipsLibrary.csproj" />
+  </ItemGroup>
+
+</Project>

dotnet/testing/KlipsLibrary.Test/UnitTest1.cs

@@ -0,0 +1,22 @@
+using Xunit;
+
+namespace KlipsLibrary.Test;
+
+public class UnitTest1
+{
+    [Fact]
+    public void DogTest()
+    {
+        var dog = new Dog("Buford", "Woof");
+        Assert.Equal("Buford", dog.Name);
+        dog.Speak();
+    }
+    
+    [Fact]
+    public void HumanTest()
+    {
+        var human = new Human("Shaun", "Hi");
+        Assert.Equal("Shaun", human.Name);
+        human.Speak();
+    }
+}

dotnet/testing/KlipsLibrary/Animal.cs

@@ -0,0 +1,70 @@
+using System.Collections;
+using KlipsLibrary;
+namespace KlipsLibrary;
+public class Solution {
+    public int NumUniqueEmails(string[] emails)
+    {
+      HashSet<string> sent = new();
+      foreach (var email in emails)
+      {
+        var domain = email.Substring(email.IndexOf("@"), email.Length);
+        var to = email.Substring(0, email.IndexOf("@"));
+        if (to.Contains(".")) to = to.Replace(".", "");
+        to = to.Remove(to.IndexOf("+"));
+        Console.Write("{0} at {1}", to, domain);
+        sent.Add(to + "@" + domain);
+      }
+
+      return sent.Count;
+    }
+}
+public abstract class Animal
+{
+  public Animal(string n, string p)
+  {
+    this.Name = n;
+    this.Phrase = p;
+  }
+
+  public abstract void Speak();
+
+  private string name;
+  public string Name { get; set; }
+  private string phrase;
+  public string Phrase { get; set; }
+}
+
+public class Dog : Animal
+{
+  public Dog(string n, string p) : base(n, p) { }
+
+  public override void Speak()
+  {
+    Console.WriteLine("{0} (Dog): {1}", Name, Phrase);
+  }
+}
+
+public class Human : Animal
+{
+  public Human(string n, string p) : base(n, p) { }
+
+  public override void Speak()
+  {
+    Console.WriteLine("{0} (Human): {1}", Name, Phrase);
+  }
+}
+
+public class Teacher : Human, IComparable, ICloneable
+{
+  public Teacher(string n, string p) : base(n, p) { }
+
+  public int CompareTo(object? obj)
+  {
+    throw new NotImplementedException();
+  }
+
+  public object Clone()
+  {
+    throw new NotImplementedException();
+  }
+}

dotnet/testing/KlipsLibrary/Bag.cs

@@ -0,0 +1,74 @@
+namespace KlipsLibrary;
+
+public struct Item : IEquatable<Item>
+{
+  public Item(double v, int q, string name)
+  {
+    Value = v;
+    Qty = q;
+    Name = name;
+  }
+
+  public Item(double v, string name)
+  {
+    Value = v;
+    Qty = 1;
+    Name = name;
+  }
+
+  public string Name { get; set; }
+  public double Value { get; set; }
+  public int Qty { get; set; }
+  
+  public static bool operator ==(Item a, Item b)
+  {
+    if (((object)a) == null || ((object)b) == null) return Object.Equals(a, b);
+    return a.Equals(b);
+  }
+
+  public static bool operator !=(Item a, Item b)
+  {
+    return !(a == b);
+  }
+
+  public bool Equals(Item other)
+  {
+    return Name == other.Name && Value == other.Value;
+  }
+
+  public override bool Equals(object? obj)
+  {
+    return obj is Item other && Equals(other);
+  }
+  
+  public override int GetHashCode()
+  {
+    return HashCode.Combine(Name, Value);
+  }
+}
+
+public class Bag
+{
+  public Bag()
+  {
+    contents = new List<Item>();
+    maxCarry = 10;
+  }
+  private List<Item> contents;
+  private int maxCarry;
+
+  public bool AddItem(Item i)
+  {
+    if (contents.Count >= maxCarry) return false;
+    contents.Add(i);
+    return true;
+  }
+
+  public Item? TakeItem(Item i)
+  {
+    var found = contents.Find((Item inBag) => inBag == i);
+    if (found == default(Item)) return null;
+    contents.Remove(found);
+    return found;
+  }
+}

dotnet/testing/KlipsLibrary/Fruit.cs

@@ -0,0 +1,19 @@
+using System.Collections.ObjectModel;
+
+namespace KlipsLibrary;
+
+public class Fruit 
+{
+  public Fruit()
+  {
+    Name = "Default";
+  }
+
+  public Fruit(string name)
+  {
+    Name = name;
+  }
+  public string Name { get; set; }
+}
+
+public class Fruits : Collection<Fruit> { }

dotnet/testing/KlipsLibrary/InitOrder.cs

@@ -0,0 +1,75 @@
+namespace KlipsLibrary;
+
+public class A
+{
+  public A()
+  {
+    Console.WriteLine("A default constructor was called");
+    Val = 0;
+  }
+  public A(int v)
+  {
+    Console.WriteLine("A parameterized constructor was called");
+    Val = v;
+  }
+  private int val;
+  public int Val
+  {
+    // No setter; We can only initialize on construction
+    init
+    {
+      Console.WriteLine($"A.val was initialized: {val}");
+      val = value;
+    }
+  }
+}
+
+public class B : A
+{
+  public B()
+  {
+    Console.WriteLine("B default constructor was called");
+    BVal = 0;
+  }
+  public B(int bv)
+  {
+    Console.WriteLine("B parameterized constructor was called");
+    BVal = bv;
+  }
+
+  private int bVal;
+
+  public int BVal
+  {
+    init
+    {
+      bVal = value;
+      Console.WriteLine($"B.bVal was initialized: {bVal}");
+    }
+  }
+}
+
+public class C : B
+{
+  public C()
+  {
+    Console.WriteLine("C default constructor was called");
+    CVal = 0;
+  }
+  public C(int cv)
+  {
+    Console.WriteLine("C parameterized constructor was called");
+    CVal = cv;
+  }
+
+  private int cVal;
+
+  public int CVal
+  {
+    init
+    {
+      cVal = value;
+      Console.WriteLine($"C.cVal was initialized: {cVal}");
+    }
+  }
+}

dotnet/testing/KlipsLibrary/Klips.cs

@@ -0,0 +1,281 @@
+using System.Collections;
+using System.Linq.Expressions;
+
+namespace KlipsLibrary;
+
+public class Klips
+{
+  public static void SayHello()
+  {
+    Console.WriteLine("Hello, C# library!");
+  }
+  
+  public static void TestInput()
+  {
+    string formattingString = "Captured {0} input: {1}\n";
+
+    Console.Write("\nInput a character, then press enter: ");
+    int ascii = Console.Read();
+    char ch = Convert.ToChar(ascii);
+    Console.Write(formattingString, "character", ch);
+    Console.ReadLine(); // Discard any left over input
+      
+    Console.Write("\nPress a key: ");
+    ConsoleKeyInfo key = Console.ReadKey();
+    Console.Write("\n" + formattingString, "key", key.KeyChar);
+
+    Console.Write("\nEnter a line: ");
+    string? line = Console.ReadLine();
+    Console.Write(formattingString, "line", line);
+  }
+
+  public static void PrintEnum<T>(IEnumerable<T> obj)
+  {
+    foreach (var i in obj)
+    {
+      Console.Write("{0}, ", i);
+    }
+  }
+
+  public static void PrintInfo<T>(IEnumerable<T> c)
+  {
+    Console.WriteLine("Type: {0}", c.GetType().ToString());
+  }
+
+  public static void Print<T>(IEnumerable<T> obj)
+  {
+    Console.WriteLine();
+    PrintInfo(obj);
+    PrintEnum(obj);
+  }
+
+  // Doesn't work because we can't resolve passed object name
+  // + Limited to parameter object name; ref causes errors
+  public static void PrintName<T>(T obj)
+  {
+    Expression<Func<object>> expression = () => obj!;
+    string name = ((expression.Body as MemberExpression)!).Member.Name;
+    Console.WriteLine("{0}", name);
+  }
+
+  public static void MakeGarbage(int count) 
+  {
+    for (int i = 0; i < count; i++)
+    {
+      var v = new Version();
+    }
+  }
+
+  public static void TestContainers()
+  {
+    int[] test = { 1, 2, 3, 4, 5 };
+    Klips.Print(test);
+
+    var arr = new int[5];
+    for (int i = 1; i < 6; i++)
+    {
+      arr[i-1] = i;
+    }
+    Klips.Print(arr);
+
+    var list = new List<int>();
+    for (int i = 1; i < 6; i++)
+    {
+      list.Add(i);
+    }
+    Klips.Print(list);
+
+    list = list.Concat(arr).ToList();
+    Klips.Print(list);
+
+    list.Sort();
+    Klips.Print(list);
+
+    var dict = new Dictionary<int, string>() 
+    {
+      [4] = "four",
+      [2] = "two",
+      [1] = "one",
+      [3] = "three",
+      [5] = "five",
+    };
+    Klips.Print(dict);
+    for (int i = 1; i <= 5; i++)
+    {
+      Console.Write("\n{0}", dict[i]);
+    }
+
+    var sortedDict = new SortedDictionary<int, string>(dict);
+    Klips.Print(sortedDict);
+
+    var hashset = new HashSet<int>{3, 1, 4, 2};
+    Klips.Print(hashset);
+
+    var sortedSet = new SortedSet<int>(hashset);
+    Klips.Print(sortedSet);
+
+    var sortedList = new SortedList(sortedDict);
+    Console.WriteLine("Type: {0}", sortedList.GetType().ToString());
+    foreach (DictionaryEntry item in sortedList)
+    {
+      Console.WriteLine("Key: {0} Value: {1}", item.Key.ToString(), item.Value);
+    }
+    // Klips.Print(sortedList);
+
+    var q = new Queue<string>(dict.Values);
+    Klips.Print(q);
+
+    var llist = new LinkedList<int>(dict.Keys);
+    Klips.Print(llist);
+
+  }
+
+  public static void TestGC()
+  {
+    Klips.MakeGarbage(1000000);
+    // GC.Collect();
+    Console.Write("\nHeap memory: {0}\nAllocated heap memory: {1}",
+      GC.GetGCMemoryInfo().HeapSizeBytes.ToString(), GC.GetTotalMemory(false).ToString());
+    for (int i = 0; i < 3; i++)
+    {
+      Console.Write("\nGeneration {0} collection count: {1}", i, GC.CollectionCount(i).ToString());
+    }
+  }
+
+  public static void TestStrings()
+  {
+    Console.Write("\n\nWhat time is it?\n{0}", DateTime.Now.ToString());
+
+    var lit = @"
+    hi
+        how
+    ""are"" you? \this\is\a\literal
+    ";
+    Console.WriteLine(lit);
+
+    string[] @foreach = {@"\this\is\new\a\test\n", "Not verbatim\nBut still literal"};
+    foreach (string s in @foreach)
+    {
+      Console.WriteLine(@s);
+    }
+
+    string a = "This is my string!";
+    Console.WriteLine($"This is my rifle; {a, 30}");
+    Console.WriteLine($"This is {{my}} rifle; {a, -30}");
+    var b = $"This {{is}} my rifle; {a}";
+    Console.WriteLine(b);
+    Console.WriteLine($"Conditional formatting result: {(b.Length == 0 ? "Empty" : "Not empty")}");
+    var pi = Math.PI;
+    Console.WriteLine($"{pi:F3}, {pi:F10}, {DateTime.Now:d}, {DateTime.Now:f}, {DateTime.Now.ToLocalTime():h:mm:ss tt zz}");
+
+    string fmt = "This is pi: {0}\nThis is the date: {1}\nThis is also pi: {0:F6}";
+    Console.WriteLine(fmt, Math.PI, DateTime.Now);
+  }
+
+  public static void TestLambdas()
+  {
+    // Both of these lambdas are of the same type; Func<string, int> where int is the value returned
+    var getLen = (string s) => s.Length;
+    Func<string, int> funcLen = (string s) => s.Length;
+    Console.WriteLine("Length: {0}", getLen("Hello").ToString());
+    Console.WriteLine("Length: {0}", funcLen("Hello").ToString());
+
+    var isEqual = (string a, string b) => a == b;
+    Console.WriteLine(isEqual("Test", "Test"));
+    Func<string, string, bool> funcIsEqual = (string a, string b) => a == b;
+    Console.WriteLine(funcIsEqual("Test", "Test"));
+
+    // These two lamdas are both of type Action<string>, as they do not return a result
+    var statement = (string s) =>
+    {
+      var arr = s.ToCharArray();
+      Array.Reverse(arr);
+      Console.WriteLine($"\"{s}\" reversed: {new string(arr)}");
+    };
+    Action<string> actionReverse = (string s) =>
+    {
+      var arr = s.ToCharArray();
+      Array.Reverse(arr);
+      Console.WriteLine($"\"{s}\" reversed: {new string(arr)}");
+    };
+
+    // This lamda is a Func<string, string> as it take a string parameter and returns a string as a result
+    Func<string, string> revString = (string s) =>
+    {
+      var revArr = s.ToCharArray();
+      Array.Reverse(revArr);
+      return new string(revArr);
+    };
+    string testS = "Racecar";
+    Console.WriteLine($"{testS} reversed: {revString(testS)}");
+
+    statement("Test");
+  }
+
+  public static void TestShape()
+  {
+    var shape = new Square();
+    shape.Print();
+    var shapeRef = shape;
+    shapeRef.Height = 20;
+    shape.Print();
+
+    var box = new List<Shape>();
+    box.Add(new Shape(5, 5));
+    box.Add(new Square());
+    box.Last().Width = 8; // Access the last element we added to the List, set its width to 8
+    box.Add(new Cube());
+    box.Add(new Rectangle());
+    box.Add(new Rect());
+    // Use a lambda to find a Cube, get a reference to it; If we found a Cube, set its depth to 5
+    if (box.Find((Shape s) => s.GetType() == typeof(Cube)) is Cube cubeRef) cubeRef.Depth = 5;
+    foreach (var s in box) s.Print(); // Print all the Shapes
+
+    var cub = new Cube();
+    var sqr = cub as Square;
+    if (sqr != null) sqr.Print();
+
+    Console.WriteLine("Testing upcast");
+    var c = new Cube();
+    c.Print();
+    if (c is Square cubeSquare)
+    {
+      // Why is Shape's Print() not called?; cubeShape.Print calls Square.Print() instead
+      var cubeShape = cubeSquare as Shape;
+      if (cubeShape != null) cubeShape.Print();
+    }
+  }
+
+  public static void TestBag()
+  {
+    var bag = new Bag();
+    Item wrench = new Item(1.5, 1, "wrench"); // Create a wrench using Item ctor
+    var spanner = wrench; // Copy wrench to a new item
+    spanner.Name = "spanner";
+    spanner.Value = 5.0;
+    spanner.Qty = 2;
+    Item socket = new Item(2.5, 5, "socket"); // Create a new item using ctor
+    bag.AddItem(wrench);
+    bag.AddItem(spanner);
+    bag.AddItem(socket);
+    Item? bagSpanner = bag.TakeItem(spanner);
+    Console.WriteLine(Object.ReferenceEquals(bagSpanner, spanner));
+    Item? noSpanner = bag.TakeItem(spanner);
+    Console.WriteLine(noSpanner == null);
+  }
+
+  public static void TestFruits()
+  {
+    Fruits fruits = new Fruits() { new Fruit(), new Fruit("Apple"), new Fruit("Orange")};
+    foreach (Fruit f in fruits)
+    {
+      Console.WriteLine(f.Name);
+    }
+  }
+
+  public static void TestInitOrder()
+  {
+    var aClass = new C(5) {CVal = 10};
+  }
+
+}

dotnet/testing/KlipsLibrary/KlipsLibrary.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

dotnet/testing/KlipsLibrary/Shape.cs

@@ -0,0 +1,98 @@
+namespace KlipsLibrary;
+
+public class Shape
+{
+  public Shape(int y, int x)
+  {
+    Y = y;
+    X = x;
+    Name = this.ToString();
+  }
+
+  public Shape()
+  {
+    X = 0;
+    Y = 0;
+    Name = this.ToString();
+  }
+
+  // Shape position; Private setter, public getter
+  public int X { get; private set; }
+  public int Y { get; private set; }
+  public string Name { get; private set; }
+  
+  // Auto-implemented properties may use a default value initializer
+  public virtual int Width { get; set; } = 1;
+  public virtual int Height { get; set; } = 2;
+  
+  public virtual void Print()
+  {
+    Console.WriteLine($"{Name} WxH is {Width}x{Height} at position ({X},{Y})");
+  }
+}
+
+public class Square : Shape
+{
+  // Set default value on encapsulated value for non auto-implemented properties
+  private int width = 10;
+  private int height = 10;
+
+  // We can override properties just as we can functions
+  // + Height and Width properties can no longer set default values
+  public override int Height
+  {
+    // Can use expressions for getters / setters
+    get => height;
+    set => width = height = value;
+  }
+
+  public override int Width
+  {
+    get => width;
+    set
+    {
+      // Same setter as Height, just within a block of statements
+      width = value;
+      height = value;
+    }
+  }
+
+  public override void Print()
+  {
+    Console.WriteLine("Printing Square info...");
+    base.Print(); // Will use Square's getter / setter to print private int width, height
+  }
+}
+
+public class Cube : Square
+{
+  // Add new properties or encapsulated values as needed
+  private int depth = 10;
+  public int Depth
+  {
+    get => depth;
+    set => depth = value;
+  }
+  // Implement a `new` Print() function which acts as a new stand-alone implementaton 
+  public new void Print()
+  {
+    Console.WriteLine("Printing Cube info...");
+    Console.WriteLine($"{Name} WxHxD is {Width}x{Height}x{Depth} at position ({X},{Y})");
+  }
+}
+
+public class Rectangle : Shape
+{
+  // Classes that inherit from Rectangle can not override Print
+  public sealed override void Print()
+  {
+    Console.WriteLine("Printing sealed Rectangle info...");
+    base.Print();
+  }
+}
+
+public class Rect : Rectangle
+{
+  // Rect can't override Print(), since its base class declared it as `sealed`
+}
+

dotnet/testing/README.md

@@ -0,0 +1,5 @@
+
+This is a testing project I created while first learning C#.
+There's no objective or goal, aside from playing with different features of C# and NuGet packages.
+Essentially, this is a scrap project that I code in while learning new C# things.
+Since this is just for learning, I won't bother explaining how to use things here; It's very possible this entire project could disappear one day.

dotnet/testing/dotnet-klips.sln

@@ -0,0 +1,34 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30114.105
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KlipsLibrary", "KlipsLibrary\KlipsLibrary.csproj", "{58CB87C5-7D98-43F9-8AD8-C73766C06E51}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KlipsLibrary.Test", "KlipsLibrary.Test\KlipsLibrary.Test.csproj", "{3576A541-1B1E-42A1-A348-B0CAA3B5BC5A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KlipsConsole", "KlipsConsole\KlipsConsole.csproj", "{A1E88D77-4A17-47BF-BED4-CEB1821FB627}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{58CB87C5-7D98-43F9-8AD8-C73766C06E51}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{58CB87C5-7D98-43F9-8AD8-C73766C06E51}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{58CB87C5-7D98-43F9-8AD8-C73766C06E51}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{58CB87C5-7D98-43F9-8AD8-C73766C06E51}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3576A541-1B1E-42A1-A348-B0CAA3B5BC5A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3576A541-1B1E-42A1-A348-B0CAA3B5BC5A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3576A541-1B1E-42A1-A348-B0CAA3B5BC5A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3576A541-1B1E-42A1-A348-B0CAA3B5BC5A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A1E88D77-4A17-47BF-BED4-CEB1821FB627}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A1E88D77-4A17-47BF-BED4-CEB1821FB627}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A1E88D77-4A17-47BF-BED4-CEB1821FB627}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A1E88D77-4A17-47BF-BED4-CEB1821FB627}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

esp/cpp/01_led-button/01_led-button.ino

@@ -0,0 +1,38 @@
+// set pin numbers
+const int buttonPin = 4;  // the number of the pushbutton pin
+const int ledPin =  5;    // the number of the LED pin
+
+// variable for storing the pushbutton status
+int buttonState = 0;
+
+bool light_on = false;
+bool handled = false;
+
+void setup() {
+  Serial.begin(115200);
+  // initialize the pushbutton pin as an input
+  pinMode(buttonPin, INPUT);
+  // initialize the LED pin as an output
+  pinMode(ledPin, OUTPUT);
+}
+
+void loop() {
+  // read the state of the pushbutton value
+  buttonState = digitalRead(buttonPin);
+  // check if the pushbutton is pressed.
+  if (buttonState == HIGH) {
+    if (!handled) {
+      Serial.println("Handling button pressed.");
+      light_on = !light_on;
+      handled = true;
+      digitalWrite(ledPin, light_on ? HIGH : LOW);
+    }
+    // turn LED on
+  } else {
+    if (handled) {
+      Serial.println("Reset button handled state.");
+      handled = false;
+
+    }
+  }
+}

esp/cpp/01_led-button/README.md

@@ -0,0 +1,9 @@
+# 01_led-button
+
+This example is largely adapted from those in [ESP32-basic-starter-kit.pdf](./ESP32-basic-starter-kit.pdf).
+
+The APIs in the original examples paired with this PDF have changed, and I decided to do some different things with the code and/or circuits, but the original code can be [found here](https://www.dropbox.com/scl/fo/6znlij3eb23ih4jxcpv2w/AKvB1t9CCUgoVRVtGen8Yrw?rlkey=z84anl0hs940qf9fpl7l8q8q2&e=1&dl=0).
+
+![schematic](./schematic.png)
+
+Simple LED controlled by an on-board button.

esp/cpp/02_led-button-web/02_led-button-web.ino

@@ -0,0 +1,183 @@
+#include <WiFi.h>
+
+//
+// Web server project globals
+
+// Replace with your network credentials
+const char* ssid = "network-name";
+const char* password = "password";
+
+WiFiServer server(80);
+
+// Variable to store the HTTP request
+String header;
+
+// Current time
+unsigned long currentTime = millis();
+// Previous time
+unsigned long previousTime = 0;
+// Define timeout time in milliseconds (example: 2000ms = 2s)
+const long timeoutTime = 2000;
+
+//
+// Button / light project globals
+
+// set pin numbers
+const int buttonPin = 4;  // the number of the pushbutton pin
+const int ledPin =  5;    // the number of the LED pin
+
+// variable for storing the pushbutton status
+int buttonState = 0;
+
+bool light_on = false;
+bool handled = false;
+
+void setup() {
+  Serial.begin(115200);
+  // initialize the pushbutton pin as an input
+  pinMode(buttonPin, INPUT);
+  // initialize the LED pin as an output
+  pinMode(ledPin, OUTPUT);
+
+  // wait for the Serial Monitor to be open
+  while (!Serial) {
+    delay(100);
+  }
+
+  // Connect to Wi-Fi network with SSID and password
+  Serial.print("Connecting to ");
+  Serial.println(ssid);
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  // Print local IP address and start web server
+  Serial.println("");
+  Serial.println("WiFi connected.");
+  Serial.println("Web Server IP address: ");
+  Serial.println(WiFi.localIP());
+  server.begin();
+}
+
+// Handles the on-board button press.
+void handleButtonPress() {
+  // read the state of the pushbutton value
+  buttonState = digitalRead(buttonPin);
+  // check if the pushbutton is pressed.
+  if (buttonState == HIGH) {
+    if (!handled) {
+      Serial.println("Handling button pressed.");
+      light_on = !light_on;
+      handled = true;
+      digitalWrite(ledPin, light_on ? HIGH : LOW);
+    }
+    // turn LED on
+  } else {
+    if (handled) {
+      Serial.println("Reset button handled state.");
+      handled = false;
+    }
+  }
+}
+
+void displayPinState(WiFiClient client, int gpio_pin, bool state) {
+  // Display current state, and ON/OFF buttons for GPIO <gpio_pin>
+  client.println(String("<p>GPIO ") + String(gpio_pin) + String(" - Current State ") + String(state ? "ON" : "OFF") + String("</p>"));
+  // If the output state is off, it displays the ON button
+  if (state) {
+    client.println(String("<p><a href=\"/") + String(gpio_pin) + String("/off\"><button class=\"button button2\">OFF</button></a></p>"));
+  } else {
+    client.println(String("<p><a href=\"/") + String(gpio_pin) + String("/on\"><button class=\"button\">ON</button></a></p>"));
+  }
+}
+
+void handleStateChange(WiFiClient client, int gpio_pin) {
+  if (header.indexOf(String("GET /") + String(gpio_pin) + String("/on")) >= 0) {
+    Serial.println(String("GPIO ") + String(gpio_pin) + String(" on"));
+    light_on = true;
+    digitalWrite(gpio_pin, HIGH);
+  } else if (header.indexOf(String("GET /") + String(gpio_pin) + String("/off")) >= 0) {
+    Serial.println(String("GPIO ") + String(gpio_pin) + String(" off"));
+    light_on = false;
+    digitalWrite(gpio_pin, LOW);
+  }
+}
+
+void loop() {
+  WiFiClient client = server.available();   // Listen for incoming clients
+
+  handleButtonPress();
+
+  if (client) {                             // If a new client connects,
+    currentTime = millis();
+    previousTime = currentTime;
+    Serial.println("New Client.");          // print a message out in the serial port
+    Serial.println("Web Server IP address: ");
+    Serial.println(WiFi.localIP());
+
+    String currentLine = "";                // make a String to hold incoming data from the client
+    while (client.connected() && currentTime - previousTime <= timeoutTime) {  // loop while the client's connected
+      // Also handle the button press in this loop to not miss events.
+      handleButtonPress();
+
+      currentTime = millis();
+      if (client.available()) {             // if there's bytes to read from the client,
+        char c = client.read();             // read a byte, then
+        Serial.write(c);                    // print it out the serial monitor
+        header += c;
+        if (c == '\n') {                    // if the byte is a newline character
+          // if the current line is blank, you got two newline characters in a row.
+          // that's the end of the client HTTP request, so send a response:
+          if (currentLine.length() == 0) {
+            // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
+            // and a content-type so the client knows what's coming, then a blank line:
+            client.println("HTTP/1.1 200 OK");
+            client.println("Content-type:text/html");
+            client.println("Connection: close");
+            client.println();
+
+            // turns the GPIOs on and off
+            // Display the HTML web page
+            client.println("<!DOCTYPE html><html>");
+            client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
+            client.println("<link rel=\"icon\" href=\"data:,\">");
+            // CSS to style the on/off buttons
+            // Feel free to change the background-color and font-size attributes to fit your preferences
+            client.println("<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}");
+            client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px;");
+            client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
+            client.println(".button2 {background-color: #555555;}</style></head>");
+
+            //
+            // Web Page Heading
+            client.println("<body><h1>ESP32 Web Server</h1>");
+            //
+            // Web Page Body Contents
+
+            // Button Controls
+            displayPinState(client, ledPin, light_on);
+
+            //
+            // Close Web Page Body / Heading
+            client.println("</body></html>");
+            // The HTTP response ends with another blank line
+            client.println();
+            // Break out of the while loop
+            break;
+          } else { // if you got a newline, then clear currentLine
+            currentLine = "";
+          }
+        } else if (c != '\r') {  // if you got anything else but a carriage return character,
+          currentLine += c;      // add it to the end of the currentLine
+        }
+      }
+    }
+    // Clear the header variable
+    header = "";
+    // Close the connection
+    client.stop();
+    Serial.println("Client disconnected.");
+    Serial.println("");
+  }
+}

esp/cpp/02_led-button-web/README.md

@@ -0,0 +1,15 @@
+# 02_led-button-web
+
+This example is largely adapted from those in [ESP32-basic-starter-kit.pdf](./ESP32-basic-starter-kit.pdf).
+
+The APIs in the original examples paired with this PDF have changed, and I decided to do some different things with the code and/or circuits, but the original code can be [found here](https://www.dropbox.com/scl/fo/6znlij3eb23ih4jxcpv2w/AKvB1t9CCUgoVRVtGen8Yrw?rlkey=z84anl0hs940qf9fpl7l8q8q2&e=1&dl=0).
+
+![schematic](./schematic.png)
+
+This example uses the same schematic as [01_led-button](../01_led-button/).
+
+The only difference is that you can also control the button through a web browser from any device connected to your local network.
+
+This example was adapted from the example code in the [Arduino ESP32 API reference](https://docs.espressif.com/projects/arduino-esp32/en/latest/api/wifi.html#wi-fi-ap-example).
+
+![screenshot](./screenshot.png)

esp/cpp/03_temp-humidity-web/03_temp-humidity-web.ino

@@ -0,0 +1,161 @@
+// Import required libraries
+
+#include "WiFi.h"
+#include "ESPAsyncWebServer.h"
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+
+// Replace with your network credentials
+const char* ssid = "network-name";
+const char* password = "password";
+
+#define DHTPIN 4     // Digital pin connected to the DHT sensor
+
+// Uncomment the type of sensor in use:
+#define DHTTYPE    DHT11     // DHT 11
+//#define DHTTYPE    DHT22     // DHT 22 (AM2302)
+//#define DHTTYPE    DHT21     // DHT 21 (AM2301)
+
+DHT dht(DHTPIN, DHTTYPE);
+
+// Create AsyncWebServer object on port 80
+AsyncWebServer server(80);
+
+String readDHTTemperature() {
+  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+  // Read temperature as Celsius (the default)
+  float t = dht.readTemperature();
+  // Read temperature as Fahrenheit (isFahrenheit = true)
+  //float t = dht.readTemperature(true);
+  // Check if any reads failed and exit early (to try again).
+  if (isnan(t)) {
+    Serial.println("Failed to read from DHT sensor!");
+    return "--";
+  }
+  else {
+    Serial.println(t);
+    return String(t);
+  }
+}
+
+String readDHTHumidity() {
+  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+  float h = dht.readHumidity();
+  if (isnan(h)) {
+    Serial.println("Failed to read from DHT sensor!");
+    return "--";
+  }
+  else {
+    Serial.println(h);
+    return String(h);
+  }
+}
+
+const char index_html[] PROGMEM = R"rawliteral(
+<!DOCTYPE HTML><html>
+<head>
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css" integrity="sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr" crossorigin="anonymous">
+  <style>
+    html {
+     font-family: Arial;
+     display: inline-block;
+     margin: 0px auto;
+     text-align: center;
+    }
+    h2 { font-size: 3.0rem; }
+    p { font-size: 3.0rem; }
+    .units { font-size: 1.2rem; }
+    .dht-labels{
+      font-size: 1.5rem;
+      vertical-align:middle;
+      padding-bottom: 15px;
+    }
+  </style>
+</head>
+<body>
+  <h2>ESP32 DHT Server</h2>
+  <p>
+    <i class="fas fa-thermometer-half" style="color:#059e8a;"></i>
+    <span class="dht-labels">Temperature</span>
+    <span id="temperature">%TEMPERATURE%</span>
+    <sup class="units">&deg;C</sup>
+  </p>
+  <p>
+    <i class="fas fa-tint" style="color:#00add6;"></i>
+    <span class="dht-labels">Humidity</span>
+    <span id="humidity">%HUMIDITY%</span>
+    <sup class="units">&percnt;</sup>
+  </p>
+</body>
+<script>
+setInterval(function ( ) {
+  var xhttp = new XMLHttpRequest();
+  xhttp.onreadystatechange = function() {
+    if (this.readyState == 4 && this.status == 200) {
+      document.getElementById("temperature").innerHTML = this.responseText;
+    }
+  };
+  xhttp.open("GET", "/temperature", true);
+  xhttp.send();
+}, 10000 ) ;
+
+setInterval(function ( ) {
+  var xhttp = new XMLHttpRequest();
+  xhttp.onreadystatechange = function() {
+    if (this.readyState == 4 && this.status == 200) {
+      document.getElementById("humidity").innerHTML = this.responseText;
+    }
+  };
+  xhttp.open("GET", "/humidity", true);
+  xhttp.send();
+}, 10000 ) ;
+</script>
+</html>)rawliteral";
+
+// Replaces placeholder with DHT values
+String processor(const String& var){
+  //Serial.println(var);
+  if(var == "TEMPERATURE"){
+    return readDHTTemperature();
+  }
+  else if(var == "HUMIDITY"){
+    return readDHTHumidity();
+  }
+  return String();
+}
+
+void setup(){
+  // Serial port for debugging purposes
+  Serial.begin(115200);
+
+  dht.begin();
+
+  // Connect to Wi-Fi
+  WiFi.begin(ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(1000);
+    Serial.println("Connecting to WiFi..");
+  }
+
+  // Print ESP32 Local IP Address
+  Serial.println(WiFi.localIP());
+
+  // Route for root / web page
+  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
+    request->send_P(200, "text/html", index_html, processor);
+  });
+  server.on("/temperature", HTTP_GET, [](AsyncWebServerRequest *request){
+    request->send_P(200, "text/plain", readDHTTemperature().c_str());
+  });
+  server.on("/humidity", HTTP_GET, [](AsyncWebServerRequest *request){
+    request->send_P(200, "text/plain", readDHTHumidity().c_str());
+  });
+
+  // Start server
+  server.begin();
+}
+
+void loop(){
+
+}

esp/cpp/03_temp-humidity-web/README.md

@@ -0,0 +1,60 @@
+# 03_temp-humidity-web
+
+This example is largely adapted from those in [ESP32-basic-starter-kit.pdf](./ESP32-basic-starter-kit.pdf).
+
+The APIs in the original examples paired with this PDF have changed, and I decided to do some different things with the code and/or circuits, but the original code can be [found here](https://www.dropbox.com/scl/fo/6znlij3eb23ih4jxcpv2w/AKvB1t9CCUgoVRVtGen8Yrw?rlkey=z84anl0hs940qf9fpl7l8q8q2&e=1&dl=0).
+
+![schematic](./schematic.png)
+
+Temperature and humidity sensor served on a web page within the local network.
+
+![screenshot](./screenshot.png)
+
+## Dependencies
+
+You need to install a couple of libraries for this project:
+
+* The DHT and the Adafruit Unified Sensor Driver libraries to read from the DHT sensor.
+* ESPAsyncWebServer and Async TCP libraries to build the asynchronous web server.
+
+The default Arduino IDE installation will store libraries at `~/Arduino/ibraries` - if this directory doesn't exist, create it.
+
+### Installing DHT Sensor Library
+
+To read from the DHT sensor using Arduino IDE, you need to install the [DHT sensor library](https://github.com/adafruit/DHT-sensor-library).
+
+```bash
+wget -O DHT_sensor.zip https://github.com/adafruit/DHT-sensor-library/archive/master.zip
+unzip DHT_sensor.zip
+mv DHT-sensor-library-master/ ~/Arduino/libraries/DHT_sensor
+```
+
+## Install Adafruit Unified Sensor Driver Library
+
+You also need to install the [Adafruit Unified Sensor Driver library](https://github.com/adafruit/Adafruit_Sensor) to work with the DHT sensor.
+
+```bash
+wget -O Adafruit_sensor.zip https://github.com/adafruit/Adafruit_Sensor/archive/master.zip
+unzip Adafruit_sensor.zip
+mv Adafruit_Sensor-master/ ~/Arduino/libraries/Adafruit_sensor
+```
+
+## Installing ESPAsyncWebServer Library
+
+Follow the next steps to install the [ESPAsyncWebServer library](https://github.com/me-no-dev/ESPAsyncWebServer):
+
+```bash
+wget -O ESPAsyncWebServer.zip https://github.com/me-no-dev/ESPAsyncWebServer/archive/master.zip
+unzip ESPAsyncWebServer.zip
+mv ESPAsyncWebServer-master/ ~/Arduino/libraries/ESPAsyncWebServer
+```
+
+## Installing Async TCP Library
+
+The ESPAsyncWebServer library requires the [AsyncTCP library](https://github.com/me-no-dev/AsyncTCP) to work. Follow the next steps to install that library:
+
+```bash
+wget -O AsyncTCP.zip https://github.com/me-no-dev/AsyncTCP/archive/master.zip
+unzip AsyncTCP.zip
+mv AsyncTCP-master/ ~/Arduino/libraries/AsyncTCP
+```

esp/cpp/04_esp-idf-arduino/.gitignore

@@ -0,0 +1,4 @@
+build
+managed_components
+dependencies.lock
+sdkconfig.old