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#ifndef RFL_PARSING_PARSER_PTR_HPP_
#define RFL_PARSING_PARSER_PTR_HPP_
#include <map>
#include <type_traits>
#include "../Ref.hpp"
#include "../Result.hpp"
#include "../always_false.hpp"
#include "Parent.hpp"
#include "Parser_base.hpp"
#include "schema/Type.hpp"
namespace rfl {
namespace parsing {
template <class R, class W, class T, class ProcessorsType>
requires AreReaderAndWriter<R, W, T*>
struct Parser<R, W, T*, ProcessorsType> {
using InputVarType = typename R::InputVarType;
using ParentType = Parent<W>;
/// Expresses the variables as type T.
static Result<T*> read(const R& _r, const InputVarType& _var) noexcept {
if constexpr (!ProcessorsType::allow_raw_ptrs_) {
static_assert(
always_false_v<T>,
"Reading into raw pointers is dangerous and "
"therefore unsupported by default. "
"Please consider using std::unique_ptr, rfl::Box, "
"std::shared_ptr, "
"rfl::Ref or std::optional instead. "
"If you absolutely must use raw pointers, "
"you can pass the rfl::AllowRawPtrs processor. "
"Please note that it is then YOUR responsibility "
"to delete the allocated memory. Please also refer "
"to the related documentation (in the section on processors).");
return error("Unsupported.");
} else {
if (_r.is_empty(_var)) {
return nullptr;
}
return Parser<R, W, T, ProcessorsType>::read(_r, _var).transform(
[](T&& _t) { return new T(std::move(_t)); });
}
}
template <class P>
static void write(const W& _w, const T* _ptr, const P& _parent) noexcept {
if (!_ptr) {
ParentType::add_null(_w, _parent);
return;
}
Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::write(_w, *_ptr,
_parent);
}
static schema::Type to_schema(
std::map<std::string, schema::Type>* _definitions) {
return Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::to_schema(
_definitions);
}
};
} // namespace parsing
} // namespace rfl
#endif
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