mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2026-01-23 19:54:17 +01:00
Hardcopy of pybind11 instead of using git submodules (#552)
* removed pybind as submodule * added hardcopy of pybind11 2.10.0 * rename pybind11 folder to avoid conflicts when changing branch Co-authored-by: Dhanya Thattil <dhanya.thattil@psi.ch>
This commit is contained in:
Erik Fröjdh
425
libs/pybind/include/pybind11/stl.h
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425
libs/pybind/include/pybind11/stl.h
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@@ -0,0 +1,425 @@
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/*
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pybind11/stl.h: Transparent conversion for STL data types
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Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#pragma once
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#include "pybind11.h"
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#include "detail/common.h"
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#include <deque>
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#include <list>
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#include <map>
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#include <ostream>
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#include <set>
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#include <unordered_map>
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#include <unordered_set>
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#include <valarray>
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// See `detail/common.h` for implementation of these guards.
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#if defined(PYBIND11_HAS_OPTIONAL)
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# include <optional>
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#elif defined(PYBIND11_HAS_EXP_OPTIONAL)
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# include <experimental/optional>
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#endif
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#if defined(PYBIND11_HAS_VARIANT)
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# include <variant>
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#endif
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PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
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PYBIND11_NAMESPACE_BEGIN(detail)
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/// Extracts an const lvalue reference or rvalue reference for U based on the type of T (e.g. for
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/// forwarding a container element). Typically used indirect via forwarded_type(), below.
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template <typename T, typename U>
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using forwarded_type = conditional_t<std::is_lvalue_reference<T>::value,
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remove_reference_t<U> &,
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remove_reference_t<U> &&>;
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/// Forwards a value U as rvalue or lvalue according to whether T is rvalue or lvalue; typically
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/// used for forwarding a container's elements.
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template <typename T, typename U>
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forwarded_type<T, U> forward_like(U &&u) {
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return std::forward<detail::forwarded_type<T, U>>(std::forward<U>(u));
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}
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template <typename Type, typename Key>
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struct set_caster {
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using type = Type;
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using key_conv = make_caster<Key>;
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bool load(handle src, bool convert) {
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if (!isinstance<anyset>(src)) {
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return false;
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}
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auto s = reinterpret_borrow<anyset>(src);
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value.clear();
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for (auto entry : s) {
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key_conv conv;
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if (!conv.load(entry, convert)) {
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return false;
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}
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value.insert(cast_op<Key &&>(std::move(conv)));
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}
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return true;
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}
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template <typename T>
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static handle cast(T &&src, return_value_policy policy, handle parent) {
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if (!std::is_lvalue_reference<T>::value) {
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policy = return_value_policy_override<Key>::policy(policy);
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}
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pybind11::set s;
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for (auto &&value : src) {
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auto value_ = reinterpret_steal<object>(
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key_conv::cast(forward_like<T>(value), policy, parent));
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if (!value_ || !s.add(std::move(value_))) {
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return handle();
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}
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}
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return s.release();
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}
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PYBIND11_TYPE_CASTER(type, const_name("Set[") + key_conv::name + const_name("]"));
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};
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template <typename Type, typename Key, typename Value>
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struct map_caster {
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using key_conv = make_caster<Key>;
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using value_conv = make_caster<Value>;
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bool load(handle src, bool convert) {
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if (!isinstance<dict>(src)) {
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return false;
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}
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auto d = reinterpret_borrow<dict>(src);
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value.clear();
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for (auto it : d) {
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key_conv kconv;
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value_conv vconv;
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if (!kconv.load(it.first.ptr(), convert) || !vconv.load(it.second.ptr(), convert)) {
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return false;
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}
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value.emplace(cast_op<Key &&>(std::move(kconv)), cast_op<Value &&>(std::move(vconv)));
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}
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return true;
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}
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template <typename T>
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static handle cast(T &&src, return_value_policy policy, handle parent) {
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dict d;
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return_value_policy policy_key = policy;
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return_value_policy policy_value = policy;
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if (!std::is_lvalue_reference<T>::value) {
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policy_key = return_value_policy_override<Key>::policy(policy_key);
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policy_value = return_value_policy_override<Value>::policy(policy_value);
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}
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for (auto &&kv : src) {
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auto key = reinterpret_steal<object>(
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key_conv::cast(forward_like<T>(kv.first), policy_key, parent));
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auto value = reinterpret_steal<object>(
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value_conv::cast(forward_like<T>(kv.second), policy_value, parent));
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if (!key || !value) {
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return handle();
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}
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d[std::move(key)] = std::move(value);
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}
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return d.release();
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}
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PYBIND11_TYPE_CASTER(Type,
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const_name("Dict[") + key_conv::name + const_name(", ") + value_conv::name
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+ const_name("]"));
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};
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template <typename Type, typename Value>
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struct list_caster {
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using value_conv = make_caster<Value>;
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bool load(handle src, bool convert) {
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if (!isinstance<sequence>(src) || isinstance<bytes>(src) || isinstance<str>(src)) {
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return false;
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}
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auto s = reinterpret_borrow<sequence>(src);
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value.clear();
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reserve_maybe(s, &value);
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for (auto it : s) {
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value_conv conv;
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if (!conv.load(it, convert)) {
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return false;
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}
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value.push_back(cast_op<Value &&>(std::move(conv)));
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}
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return true;
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}
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private:
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template <
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typename T = Type,
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enable_if_t<std::is_same<decltype(std::declval<T>().reserve(0)), void>::value, int> = 0>
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void reserve_maybe(const sequence &s, Type *) {
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value.reserve(s.size());
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}
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void reserve_maybe(const sequence &, void *) {}
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public:
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template <typename T>
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static handle cast(T &&src, return_value_policy policy, handle parent) {
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if (!std::is_lvalue_reference<T>::value) {
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policy = return_value_policy_override<Value>::policy(policy);
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}
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list l(src.size());
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ssize_t index = 0;
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for (auto &&value : src) {
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auto value_ = reinterpret_steal<object>(
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value_conv::cast(forward_like<T>(value), policy, parent));
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if (!value_) {
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return handle();
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}
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PyList_SET_ITEM(l.ptr(), index++, value_.release().ptr()); // steals a reference
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}
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return l.release();
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}
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PYBIND11_TYPE_CASTER(Type, const_name("List[") + value_conv::name + const_name("]"));
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};
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template <typename Type, typename Alloc>
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struct type_caster<std::vector<Type, Alloc>> : list_caster<std::vector<Type, Alloc>, Type> {};
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template <typename Type, typename Alloc>
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struct type_caster<std::deque<Type, Alloc>> : list_caster<std::deque<Type, Alloc>, Type> {};
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template <typename Type, typename Alloc>
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struct type_caster<std::list<Type, Alloc>> : list_caster<std::list<Type, Alloc>, Type> {};
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template <typename ArrayType, typename Value, bool Resizable, size_t Size = 0>
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struct array_caster {
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using value_conv = make_caster<Value>;
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private:
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template <bool R = Resizable>
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bool require_size(enable_if_t<R, size_t> size) {
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if (value.size() != size) {
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value.resize(size);
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}
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return true;
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}
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template <bool R = Resizable>
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bool require_size(enable_if_t<!R, size_t> size) {
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return size == Size;
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}
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public:
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bool load(handle src, bool convert) {
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if (!isinstance<sequence>(src)) {
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return false;
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}
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auto l = reinterpret_borrow<sequence>(src);
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if (!require_size(l.size())) {
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return false;
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}
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size_t ctr = 0;
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for (auto it : l) {
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value_conv conv;
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if (!conv.load(it, convert)) {
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return false;
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}
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value[ctr++] = cast_op<Value &&>(std::move(conv));
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}
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return true;
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}
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template <typename T>
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static handle cast(T &&src, return_value_policy policy, handle parent) {
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list l(src.size());
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ssize_t index = 0;
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for (auto &&value : src) {
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auto value_ = reinterpret_steal<object>(
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value_conv::cast(forward_like<T>(value), policy, parent));
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if (!value_) {
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return handle();
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}
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PyList_SET_ITEM(l.ptr(), index++, value_.release().ptr()); // steals a reference
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}
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return l.release();
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}
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PYBIND11_TYPE_CASTER(ArrayType,
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const_name("List[") + value_conv::name
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+ const_name<Resizable>(const_name(""),
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const_name("[") + const_name<Size>()
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+ const_name("]"))
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+ const_name("]"));
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};
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template <typename Type, size_t Size>
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struct type_caster<std::array<Type, Size>>
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: array_caster<std::array<Type, Size>, Type, false, Size> {};
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template <typename Type>
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struct type_caster<std::valarray<Type>> : array_caster<std::valarray<Type>, Type, true> {};
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template <typename Key, typename Compare, typename Alloc>
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struct type_caster<std::set<Key, Compare, Alloc>>
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: set_caster<std::set<Key, Compare, Alloc>, Key> {};
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template <typename Key, typename Hash, typename Equal, typename Alloc>
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struct type_caster<std::unordered_set<Key, Hash, Equal, Alloc>>
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: set_caster<std::unordered_set<Key, Hash, Equal, Alloc>, Key> {};
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template <typename Key, typename Value, typename Compare, typename Alloc>
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struct type_caster<std::map<Key, Value, Compare, Alloc>>
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: map_caster<std::map<Key, Value, Compare, Alloc>, Key, Value> {};
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template <typename Key, typename Value, typename Hash, typename Equal, typename Alloc>
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struct type_caster<std::unordered_map<Key, Value, Hash, Equal, Alloc>>
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: map_caster<std::unordered_map<Key, Value, Hash, Equal, Alloc>, Key, Value> {};
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// This type caster is intended to be used for std::optional and std::experimental::optional
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template <typename Type, typename Value = typename Type::value_type>
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struct optional_caster {
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using value_conv = make_caster<Value>;
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template <typename T>
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static handle cast(T &&src, return_value_policy policy, handle parent) {
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if (!src) {
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return none().inc_ref();
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}
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if (!std::is_lvalue_reference<T>::value) {
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policy = return_value_policy_override<Value>::policy(policy);
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}
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return value_conv::cast(*std::forward<T>(src), policy, parent);
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}
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bool load(handle src, bool convert) {
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if (!src) {
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return false;
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}
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if (src.is_none()) {
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return true; // default-constructed value is already empty
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}
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value_conv inner_caster;
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if (!inner_caster.load(src, convert)) {
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return false;
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}
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value.emplace(cast_op<Value &&>(std::move(inner_caster)));
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return true;
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}
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PYBIND11_TYPE_CASTER(Type, const_name("Optional[") + value_conv::name + const_name("]"));
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};
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#if defined(PYBIND11_HAS_OPTIONAL)
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template <typename T>
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struct type_caster<std::optional<T>> : public optional_caster<std::optional<T>> {};
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template <>
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struct type_caster<std::nullopt_t> : public void_caster<std::nullopt_t> {};
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#endif
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#if defined(PYBIND11_HAS_EXP_OPTIONAL)
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template <typename T>
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struct type_caster<std::experimental::optional<T>>
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: public optional_caster<std::experimental::optional<T>> {};
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template <>
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struct type_caster<std::experimental::nullopt_t>
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: public void_caster<std::experimental::nullopt_t> {};
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#endif
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/// Visit a variant and cast any found type to Python
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struct variant_caster_visitor {
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return_value_policy policy;
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handle parent;
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using result_type = handle; // required by boost::variant in C++11
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template <typename T>
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result_type operator()(T &&src) const {
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return make_caster<T>::cast(std::forward<T>(src), policy, parent);
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}
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};
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/// Helper class which abstracts away variant's `visit` function. `std::variant` and similar
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/// `namespace::variant` types which provide a `namespace::visit()` function are handled here
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/// automatically using argument-dependent lookup. Users can provide specializations for other
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/// variant-like classes, e.g. `boost::variant` and `boost::apply_visitor`.
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template <template <typename...> class Variant>
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struct visit_helper {
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template <typename... Args>
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static auto call(Args &&...args) -> decltype(visit(std::forward<Args>(args)...)) {
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return visit(std::forward<Args>(args)...);
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}
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};
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/// Generic variant caster
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template <typename Variant>
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struct variant_caster;
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template <template <typename...> class V, typename... Ts>
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struct variant_caster<V<Ts...>> {
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static_assert(sizeof...(Ts) > 0, "Variant must consist of at least one alternative.");
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template <typename U, typename... Us>
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bool load_alternative(handle src, bool convert, type_list<U, Us...>) {
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auto caster = make_caster<U>();
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if (caster.load(src, convert)) {
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value = cast_op<U>(std::move(caster));
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return true;
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}
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return load_alternative(src, convert, type_list<Us...>{});
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}
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bool load_alternative(handle, bool, type_list<>) { return false; }
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bool load(handle src, bool convert) {
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// Do a first pass without conversions to improve constructor resolution.
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// E.g. `py::int_(1).cast<variant<double, int>>()` needs to fill the `int`
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// slot of the variant. Without two-pass loading `double` would be filled
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// because it appears first and a conversion is possible.
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if (convert && load_alternative(src, false, type_list<Ts...>{})) {
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return true;
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}
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return load_alternative(src, convert, type_list<Ts...>{});
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}
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template <typename Variant>
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static handle cast(Variant &&src, return_value_policy policy, handle parent) {
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return visit_helper<V>::call(variant_caster_visitor{policy, parent},
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std::forward<Variant>(src));
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}
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using Type = V<Ts...>;
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PYBIND11_TYPE_CASTER(Type,
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const_name("Union[") + detail::concat(make_caster<Ts>::name...)
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+ const_name("]"));
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||||
};
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#if defined(PYBIND11_HAS_VARIANT)
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template <typename... Ts>
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struct type_caster<std::variant<Ts...>> : variant_caster<std::variant<Ts...>> {};
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template <>
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struct type_caster<std::monostate> : public void_caster<std::monostate> {};
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#endif
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PYBIND11_NAMESPACE_END(detail)
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inline std::ostream &operator<<(std::ostream &os, const handle &obj) {
|
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#ifdef PYBIND11_HAS_STRING_VIEW
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os << str(obj).cast<std::string_view>();
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#else
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os << (std::string) str(obj);
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#endif
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return os;
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||||
}
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||||
PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)
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||||
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