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https://github.com/lecrapouille/bacasable

[SandBox][Examples] My micro projects for learning and to be used in larger projects
https://github.com/lecrapouille/bacasable

autoload-lib cpp gtk3 gtkmm julia max-plus maxplus model-view-controller model-view-presenter mvc mvc-pattern mvp mvp-pattern plant-growth shared-library

Last synced: 5 days ago
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[SandBox][Examples] My micro projects for learning and to be used in larger projects

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README 

        
# BacASable



Sharing my POC/micro projects that I made for learning some techniques that can be used

for my biggest projects. This is kind of GitHub GISTs but grouped in a single repo (sandbox

means bac à sable in French).



Mainly C++ code but also Julia, Forth, Prolog, Scilab, GTK+ and C code ... some related to C++.



## Bash



Quick bash scripts:

- backing up my GitHub projects.



## ChatGPT



Test generating C++ code from ChatGPT.



## C code



### AutoLoadLib



Interactive Programming in C: edit your C code at run-time, see your changes on

your application without restarting it. This allows to mimic the C language as

an interpreted language.



## C++



### Forth Wrapper



Prove of concept implementing an ultra-basic Forth interpreter wrapping C++ API.

Two examples are given:

- Wrapping a thin C++ abstraction library integrating the physic engine Bullet and

the 3D library OpenSceneGraph.

- Wrapping a C++ symbolic library Ginac.



### Design Pattern



Visitor, Observer, MVP, Component ...



#### Visitor



Iterate on a collection of class instances that have different API and call the

correct methods. Ideal for Game graph scene.



#### Component



Composition is better than inheritance. Similar to Strategy pattern but Component is

used for completing the state of the instance instead of adding dynamically behavior.



#### Observer



Safe observer managing the case where the Observer can be destroyed before the

Observable.



Note: Personally I would use [libsigc++](https://developer.gnome.org/libsigc++-tutorial/stable/index.html)

instead of implementing my own Observer/Listener class. This lib allows you to

add signals/slots (similarly to Qt). I give an example of this lib.



#### MVC-MVP



Learning how to implement design pattern Model-View-Controller (MVC) and a

Model-View-Presenter (MVP) in C++ first with console then with gtk+.

I tried to write minimalist examples.



### Unit Tests



Getting fun to mock C functions such as open(), read() to unit tests C function calling them.

We exploit the behavior of weak symbols by creating mock functions and define C++ mock class

to use them easily with Google test/mock. See the README in this folder for more details.



### Symbolic Manipulation



Basic symbolic manipulation in C++.



### Runtime Polymorphism



Based on the YT vide "Better Code: Runtime Polymorphism" by Sean Parent.

https://sean-parent.stlab.cc/papers-and-presentations/#better-code-runtime-polymorphism



### ConditionVariable



Test a basic wrapper for notifications through condition variables.



### Union



Test union structure for a Forth project https://github.com/Lecrapouille/SimForth. I dislike the idea of manipulating two separeted stacks: integer and float. Use a single one and make the operator change the type in the same way than OCaml operators `+` and `+.`, `int_of_float`.



### C# Properties



Mimic C# properties in C++.



### Containers



Prototype structure such as grph, scene graph ...



### Policies



C++ policy template for iterating over folders and extract desired files.



## Game Engine



Learning by myself how to program in Godot and Unity:

- Point of view code implementation.

- Local vs world transformaation.



## Gedit



### Syntax highlighting



Some *.lang files for my personal projects inspired by https://artisan.karma-lab.net/faire-todo-lists-gedit

- logs: for highlighting log files generated by my personal projects (SimTaDyn ...)

- forth: (TODO) for highlighting my SimForth script (a personal Forth slightly modified)



## GTK+



### GTK+2 with GTK-server



Bash script to launch GTK+2 application and GTK-server https://www.gtk-server.org/. Initial step before making the portage for Forth application.



### Design Patterns



My personal implementation of some design patterns because all examples I found

on internet do not respond to concrete cases. For example:

- Model-View-Presenter is pure Android design pattern and I could not find one

  nice and simple implementation in C++, GTKmm.

- Observer nobody in blogs seems to care about the case where the Observer is

  destroyed before the Observable.

- Component pattern for decoupling patterns.

- Visitor pattern.



## Julia



### Call C/C++ code



See how from Julia we can call C functions.



### Max-Plus algebra



## Max-Plus



Defining a Max-Plus class in C++ and Julia for Max-Plus algebra.

More information about this algebra, see https://en.wikipedia.org/wiki/Max-plus_algebra

My portage to Julia of the Max-Plus Scilab toolbox: https://github.com/Lecrapouille/MaxPlus.jl



## MyMakefile



Template for my Makefile helper.



## OpenCV in C++



Testing some basic functions, camera settings, car counting, ...



## Prolog



Learning programming Prolog. Learning how to call Prolog from C++ code. Implementing ultra basic Prolog routines based

on graph theory that could be used inside my personal project SimTaDyn instead of heavy C++ class and code.



## Law Control



### ScicosLab / NSP (Scilab) blocks



Some "As it" very old and unmaintained C code for ScicosLab: joystick, camera, UART.

http://www.scicoslab.org/



### Plant Growth



A student project for generating 3D plants made long yeeeears ago [NSP](https://cermics.enpc.fr/~jpc/nsp-tiddly/mine.html) or [ScicosLab](http://www.scicoslab.org/). Note: ScicosLab is the fork of Scilab (the equivalent of Matlab) and NSP is now replaced by NSP. This is not a serious application. If you are interested by simulation of plant growth read :

* (fr) http://www.linneenne-lyon.org/depot1/14367.pdf

* (en) https://hal.inria.fr/file/index/docid/71706/filename/RR-4877.pdf



### Auto Parking



Quick demo made while studying state of arts for auto parking.