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/*
tests/test_stl_binders.cpp -- Usage of stl_binders functions
Copyright (c) 2016 Sergey Lyskov
All rights reserved. Use of this source code is governed by a
BSD-style license that can be found in the LICENSE file.
*/
#include "pybind11_tests.h"
#include <pybind11/stl_bind.h>
#include <pybind11/numpy.h>
#include <map>
#include <deque>
#include <unordered_map>
#ifdef _MSC_VER
// We get some really long type names here which causes MSVC to emit warnings
# pragma warning(disable: 4503) // warning C4503: decorated name length exceeded, name was truncated
#endif
class El {
public:
El() = delete;
El(int v) : a(v) { }
int a;
};
std::ostream & operator<<(std::ostream &s, El const&v) {
s << "El{" << v.a << '}';
return s;
}
/// Issue #487: binding std::vector<E> with E non-copyable
class E_nc {
public:
explicit E_nc(int i) : value{i} {}
E_nc(const E_nc &) = delete;
E_nc &operator=(const E_nc &) = delete;
E_nc(E_nc &&) = default;
E_nc &operator=(E_nc &&) = default;
int value;
};
template <class Container> Container *one_to_n(int n) {
auto v = new Container();
for (int i = 1; i <= n; i++)
v->emplace_back(i);
return v;
}
template <class Map> Map *times_ten(int n) {
auto m = new Map();
for (int i = 1; i <= n; i++)
m->emplace(int(i), E_nc(10*i));
return m;
}
struct VStruct {
bool w;
uint32_t x;
double y;
bool z;
};
struct VUndeclStruct { //dtype not declared for this version
bool w;
uint32_t x;
double y;
bool z;
};
test_initializer stl_binder_vector([](py::module &m) {
py::class_<El>(m, "El")
.def(py::init<int>());
py::bind_vector<std::vector<unsigned char>>(m, "VectorUChar", py::buffer_protocol());
py::bind_vector<std::vector<unsigned int>>(m, "VectorInt", py::buffer_protocol());
py::bind_vector<std::vector<bool>>(m, "VectorBool");
py::bind_vector<std::vector<El>>(m, "VectorEl");
py::bind_vector<std::vector<std::vector<El>>>(m, "VectorVectorEl");
m.def("create_undeclstruct", [m] () mutable {
py::bind_vector<std::vector<VUndeclStruct>>(m, "VectorUndeclStruct", py::buffer_protocol());
});
try {
py::module::import("numpy");
} catch (...) {
return;
}
PYBIND11_NUMPY_DTYPE(VStruct, w, x, y, z);
py::class_<VStruct>(m, "VStruct").def_readwrite("x", &VStruct::x);
py::bind_vector<std::vector<VStruct>>(m, "VectorStruct", py::buffer_protocol());
m.def("get_vectorstruct", [] {return std::vector<VStruct> {{0, 5, 3.0, 1}, {1, 30, -1e4, 0}};});
});
test_initializer stl_binder_map([](py::module &m) {
py::bind_map<std::map<std::string, double>>(m, "MapStringDouble");
py::bind_map<std::unordered_map<std::string, double>>(m, "UnorderedMapStringDouble");
py::bind_map<std::map<std::string, double const>>(m, "MapStringDoubleConst");
py::bind_map<std::unordered_map<std::string, double const>>(m, "UnorderedMapStringDoubleConst");
});
test_initializer stl_binder_noncopyable([](py::module &m) {
py::class_<E_nc>(m, "ENC")
.def(py::init<int>())
.def_readwrite("value", &E_nc::value);
py::bind_vector<std::vector<E_nc>>(m, "VectorENC");
m.def("get_vnc", &one_to_n<std::vector<E_nc>>, py::return_value_policy::reference);
py::bind_vector<std::deque<E_nc>>(m, "DequeENC");
m.def("get_dnc", &one_to_n<std::deque<E_nc>>, py::return_value_policy::reference);
py::bind_map<std::map<int, E_nc>>(m, "MapENC");
m.def("get_mnc", ×_ten<std::map<int, E_nc>>, py::return_value_policy::reference);
py::bind_map<std::unordered_map<int, E_nc>>(m, "UmapENC");
m.def("get_umnc", ×_ten<std::unordered_map<int, E_nc>>, py::return_value_policy::reference);
});
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