Emily Boudreaux
ec13264050
A bug was discovered in glaze which prevented valid toml output. We have switched to toml++ and reflect-cpp. The interface has remained the same so this should not break any code
78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
#ifndef RFL_PARSING_PARSER_SPAN_HPP_
|
|
#define RFL_PARSING_PARSER_SPAN_HPP_
|
|
|
|
#include <cstring>
|
|
#include <map>
|
|
#include <span>
|
|
#include <string>
|
|
#include <type_traits>
|
|
#include <vector>
|
|
|
|
#include "../Result.hpp"
|
|
#include "../always_false.hpp"
|
|
#include "Parent.hpp"
|
|
#include "Parser_base.hpp"
|
|
#include "schema/Type.hpp"
|
|
|
|
namespace rfl::parsing {
|
|
|
|
template <class R, class W, class T, class ProcessorsType>
|
|
requires AreReaderAndWriter<R, W, std::span<T>>
|
|
struct Parser<R, W, std::span<T>, ProcessorsType> {
|
|
using InputVarType = typename R::InputVarType;
|
|
using ParentType = Parent<W>;
|
|
|
|
static Result<std::span<T>> read(const R& _r,
|
|
const InputVarType& _var) noexcept {
|
|
if constexpr (!ProcessorsType::allow_raw_ptrs_) {
|
|
static_assert(
|
|
always_false_v<R>,
|
|
"Reading into std::span is dangerous and "
|
|
"therefore unsupported. "
|
|
"Please consider using std::vector instead or wrapping "
|
|
"std::vector in rfl::Box or rfl::Ref."
|
|
"If you absolutely must use std::span, "
|
|
"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 {
|
|
return Parser<R, W, std::vector<std::remove_cvref_t<T>>,
|
|
ProcessorsType>::read(_r, _var)
|
|
.and_then([](std::vector<T>&& _vec) -> Result<std::span<T>> {
|
|
using Type = std::remove_cvref_t<T>;
|
|
Type* data = new (std::nothrow) Type[_vec.size()];
|
|
if (!data) {
|
|
return error("Failed to allocate memory for std::span.");
|
|
}
|
|
for (size_t i = 0; i < _vec.size(); ++i) {
|
|
data[i] = std::move(_vec[i]);
|
|
}
|
|
return std::span<T>(data, data + _vec.size());
|
|
});
|
|
}
|
|
}
|
|
|
|
template <class P>
|
|
static void write(const W& _w, const std::span<T>& _span, const P& _parent) {
|
|
auto arr = ParentType::add_array(_w, _span.size(), _parent);
|
|
const auto new_parent = typename ParentType::Array{&arr};
|
|
for (const auto& v : _span) {
|
|
Parser<R, W, std::remove_cvref_t<T>, ProcessorsType>::write(_w, v,
|
|
new_parent);
|
|
}
|
|
_w.end_array(&arr);
|
|
}
|
|
|
|
static schema::Type to_schema(
|
|
std::map<std::string, schema::Type>* _definitions) {
|
|
return Parser<R, W, std::vector<std::remove_cvref_t<T>>,
|
|
ProcessorsType>::to_schema(_definitions);
|
|
}
|
|
};
|
|
|
|
} // namespace rfl::parsing
|
|
|
|
#endif
|