ServiceLocator

Example

#include "ServiceLocator/ServiceLocator.hpp"

#include <iostream>

class A {
public:
    A() {
        std::cout << __func__ << std::endl;
    }
    ~A() {
        std::cout << __func__ << std::endl;
    }

    A(const A &other) = delete;
    A(A &&other) = delete;

    A &operator=(const A &other) = delete;
    A &operator=(A &&other) = delete;
};

class B {
public:
    B() {
        std::cout << __func__ << std::endl;
    }
    ~B() {
        std::cout << __func__ << std::endl;
    }

    B(const B &other) = delete;
    B(B &&other) = delete;

    B &operator=(const B &other) = delete;
    B &operator=(B &&other) = delete;
};

int main() {
    service_locator_t sl;

    sl.set_instance<A>();
    sl.set_instance<B>();

    std::cout << sl.get_instance<A>() << std::endl;
    std::cout << sl.get_instance<B>() << std::endl;

    std::cout << sl.get_instance<A>() << std::endl;
    std::cout << sl.get_instance<B>() << std::endl;

    sl.clear();

    std::cout << sl.get_instance<A>() << std::endl;
    std::cout << sl.get_instance<B>() << std::endl;

    return 0;
}

Output

A
B
00000241A0CA9850
00000241A0CA9550
00000241A0CA9850
00000241A0CA9550
~B
~A
0000000000000000
0000000000000000

How to Build

Linux & macOS

git clone https://github.com/microsoft/vcpkg.git ~/vcpkg
~/vcpkg/bootstrap-vcpkg.sh

git clone https://github.com/xorz57/ServiceLocator.git
cd ServiceLocator
cmake -B build -DCMAKE_BUILD_TYPE=Release -S . -DCMAKE_TOOLCHAIN_FILE=~/vcpkg/scripts/buildsystems/vcpkg.cmake
cmake --build build --config Release
ctest --build-config Release

Windows

git clone https://github.com/microsoft/vcpkg.git C:/vcpkg
C:/vcpkg/bootstrap-vcpkg.bat
C:/vcpkg/vcpkg.exe integrate install

git clone https://github.com/xorz57/ServiceLocator.git
cd ServiceLocator
cmake -B build -DCMAKE_BUILD_TYPE=Release -S . -DCMAKE_TOOLCHAIN_FILE=C:/vcpkg/scripts/buildsystems/vcpkg.cmake
cmake --build build --config Release
ctest --build-config Release