Initial commit

example/example1.cpp

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+/*
+    example/example1.cpp -- Example 1: constructors, deconstructors,
+    attribute access, __str__, argument and return value conventions
+
+    Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
+
+    All rights reserved. Use of this source code is governed by a
+    BSD-style license that can be found in the LICENSE file.
+*/
+
+#include "example.h"
+
+class Example1 {
+public:
+    Example1() {
+        cout << "Called Example1 default constructor.." << endl;
+    }
+    Example1(int value) : value(value) {
+        cout << "Called Example1 constructor with value " << value << ".." << endl;
+    }
+    Example1(const Example1 &e) : value(e.value) {
+        cout << "Called Example1 copy constructor with value " << value << ".." << endl;
+    }
+    Example1(Example1 &&e) : value(e.value) {
+        cout << "Called Example1 move constructor with value " << value << ".." << endl;
+        e.value = 0;
+    }
+    ~Example1() {
+        cout << "Called Example1 destructor (" << value << ")" << endl;
+    }
+    std::string toString() {
+        return "Example1[value=" + std::to_string(value) + "]";
+    }
+
+    void operator=(const Example1 &e) { cout << "Assignment operator" << endl; value = e.value; }
+    void operator=(Example1 &&e) { cout << "Move assignment operator" << endl; value = e.value; e.value = 0;}
+
+    void add1(Example1 other) { value += other.value; }           // passing py value
+    void add2(Example1 &other) { value += other.value; }          // passing by reference
+    void add3(const Example1 &other) { value += other.value; }    // passing by const reference
+    void add4(Example1 *other) { value += other->value; }         // passing py pointer
+    void add5(const Example1 *other) { value += other->value; }   // passing by const pointer
+
+    void add6(int other) { value += other; }                      // passing py value
+    void add7(int &other) { value += other; }                     // passing by reference
+    void add8(const int &other) { value += other; }               // passing by const reference
+    void add9(int *other) { value += *other; }                    // passing py pointer
+    void add10(const int *other) { value += *other; }             // passing by const pointer
+
+    Example1 self1() { return *this; }                            // return by value
+    Example1 &self2() { return *this; }                           // return by reference
+    const Example1 &self3() { return *this; }                     // return by const reference
+    Example1 *self4() { return this; }                            // return by pointer
+    const Example1 *self5() { return this; }                      // return by const pointer
+
+    int internal1() { return value; }                             // return by value
+    int &internal2() { return value; }                            // return by reference
+    const int &internal3() { return value; }                      // return by const reference
+    int *internal4() { return &value; }                           // return by pointer
+    const int *internal5() { return &value; }                     // return by const pointer
+
+    int value = 0;
+};
+
+void init_ex1(py::module &m) {
+    py::class_<Example1>(m, "Example1")
+        .def(py::init<>())
+        .def(py::init<int>())
+        .def(py::init<const Example1&>())
+        .def("add1", &Example1::add1)
+        .def("add2", &Example1::add2)
+        .def("add3", &Example1::add3)
+        .def("add4", &Example1::add4)
+        .def("add5", &Example1::add5)
+        .def("add6", &Example1::add6)
+        .def("add7", &Example1::add7)
+        .def("add8", &Example1::add8)
+        .def("add9", &Example1::add9)
+        .def("add10", &Example1::add10)
+        .def("self1", &Example1::self1)
+        .def("self2", &Example1::self2)
+        .def("self3", &Example1::self3)
+        .def("self4", &Example1::self4)
+        .def("self5", &Example1::self5)
+        .def("internal1", &Example1::internal1)
+        .def("internal2", &Example1::internal2)
+        .def("internal3", &Example1::internal3)
+        .def("internal4", &Example1::internal4)
+        .def("internal5", &Example1::internal5)
+        .def("__str__", &Example1::toString)
+        .def_readwrite("value", &Example1::value);
+}