refactor: Exported targets for easy access

[EmperorYP7]

Fixes #99 completely

Signed-off-by: Yash Pandey (YP) [email protected]

---

Description

This code:

• Refactors the headers in the source code into their respective directories

• Exports the casbin::casbin and casbin::pycasbin(optionally) targets for the library to be used directly by the client's build system likewise :

find_package(casbin 1.35.0 REQUIRED)

• Cleans up the build configurations and installation paths

• Adds an include directory to package the library in a compact bundle for the client.

  • This contains a few headers which have all the definitions required for the casbin library.

Usage

The client may include casbin directly into their CMake build system through find_package() as demonstrated above.
Suppose we have a directory structure as follows:

.
└── project-root/
    ├── cmake/
    │   └── modules/
    │       ├── FindExtPackages.cmake
    │       └── Findcasbin.cmake
    ├── CMakeLists.txt
    └── src/
        ├── main.cpp
        └── app.h

# FindExtPackages.cmake

find_package(casbin 1.36.0 REQUIRED)

# Findcasbin.cmake

include(FetchContent)

FetchContent_Declare(
  casbin
  URL https://github.com/casbin/casbin-cpp/archive/refs/tags/v1.36.0.zip
)

FetchContent_MakeAvailable(casbin)

set(CASBIN_BUILD_TEST OFF)
set(CASBIN_BUILD_BENCHMARK OFF)
set(CASBIN_BUILD_BINDINGS OFF)       # If you don't need language bindings provided by casbin-cpp

# CMakeLists.txt

cmake_minimum_required(VERSION 3.19)

set(CMAKE_MODULE_PATH
    ${CMAKE_MODULE_PATH}
    ${CMAKE_SOURCE_DIR}/cmake/modules
)

project(Example)

include(FindExtPackages)

add_executable(example src/main.cpp src/app.h)

target_link_libraries(example PRIVATE casbin::casbin)

Note

The large LOC is due to duktape files being copied over to the include directory.

[github-actions]

🎉 This PR is included in version 1.36.0 🎉

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