define cpp class + first cmake attempt

CMakeLists.txt

@@ -9,24 +9,33 @@ project(
   VERSION ${SKBUILD_PROJECT_VERSION}
   LANGUAGES CXX)
 
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
 # Find the module development requirements (requires FindPython from 3.17 or
 # scikit-build-core's built-in backport)
 find_package(Python REQUIRED COMPONENTS Interpreter Development.Module)
 find_package(pybind11 CONFIG REQUIRED)
 find_package(CGAL REQUIRED COMPONENTS ImageIO)
 
+add_library(_cpp SHARED cpp/LabelledTetrahedralMesh.h cpp/LabelledTetrahedralMesh.cpp)
+
 # Add a library using FindPython's tooling (pybind11 also provides a helper like
 # this)
-python_add_library(_core MODULE src/main.cpp WITH_SOABI)
-target_link_libraries(_core PRIVATE pybind11::headers)
+pybind11_add_module(_core MODULE src/main.cpp)
 
 # This is passing in the version as a define just as an example
 target_compile_definitions(_core PRIVATE VERSION_INFO=${PROJECT_VERSION})
 
-python_add_library(_cgal MODULE src/cgal_example.cpp WITH_SOABI)
-target_link_libraries(_cgal PRIVATE pybind11::headers)
+pybind11_add_module(_cgal MODULE src/cgal_example.cpp)
 target_link_libraries(_cgal PRIVATE CGAL::CGAL)
 
 # The install directory is the output (wheel) directory
 install(TARGETS _core DESTINATION pybind_example)
 install(TARGETS _cgal DESTINATION pybind_example)
+
+pybind11_add_module(_wrp MODULE wrp/LabelledTetrahedralMeshWrapper.cpp)
+target_include_directories(_wrp PRIVATE ${CMAKE_SOURCE_DIR}/cpp/)
+target_link_libraries(_wrp PUBLIC _cpp)
+
+install(TARGETS _wrp DESTINATION pybind_example)
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cpp/LabelledTetrahedralMesh.cpp

+#include "LabelledTetrahedralMesh.h"
+
+
+std::vector< std::vector<double> > LabelledTetrahedralMesh::vertexPoints(void) const
+{
+    std::vector< std::vector<double> > points;
+
+    return points;
+}

cpp/LabelledTetrahedralMesh.h

+#pragma once
+
+#include <vector>
+
+class LabelledTetrahedralMesh
+{
+public:
+     LabelledTetrahedralMesh(void) = default;
+    ~LabelledTetrahedralMesh(void) = default;
+
+public:
+    std::vector< std::vector<double> > vertexPoints(void) const;
+};
\ No newline at end of file

src/pybind_example/labelled_tetrahedral_mesh.py

+from ._wrp import LabelledTetrahedralMesh
\ No newline at end of file

wrp/LabelledTetrahedralMeshWrapper.cpp

+#include <pybind11/pybind11.h>
+#include <pybind11/stl.h> // This header is needed to work with STL containers like std::vector
+
+#include "LabelledTetrahedralMesh.h"
+
+namespace py = pybind11;
+
+PYBIND11_MODULE(_wrp, m) {
+py::class_<LabelledTetrahedralMesh>(m, "LabelledTetrahedralMesh")
+    .def(py::init<>())
+    .def("vertex_points", &LabelledTetrahedralMesh::vertexPoints);
+}
\ No newline at end of file