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
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
#ifndef GENERIC_WRITER_HPP_
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#define GENERIC_WRITER_HPP_
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#include <cstddef>
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#include <string>
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#include <string_view>
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#include <type_traits>
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#include <vector>
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#include "../Generic.hpp"
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#include "../always_false.hpp"
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#include "../common.hpp"
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namespace rfl::generic {
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struct RFL_API Writer {
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struct OutputArray {
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Generic::Array* val_;
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};
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struct OutputObject {
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Generic::Object* val_;
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};
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using OutputArrayType = OutputArray;
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using OutputObjectType = OutputObject;
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using OutputVarType = Generic;
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Writer() {}
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~Writer() = default;
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OutputArrayType array_as_root(const size_t _size) const noexcept;
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OutputObjectType object_as_root(const size_t _size) const noexcept;
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OutputVarType null_as_root() const noexcept;
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template <class T>
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OutputVarType value_as_root(const T& _var) const noexcept {
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root_ = to_generic(_var);
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return root_;
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}
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OutputArrayType add_array_to_array(const size_t _size,
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OutputArrayType* _parent) const noexcept;
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OutputArrayType add_array_to_object(const std::string_view& _name,
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const size_t _size,
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OutputObjectType* _parent) const noexcept;
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OutputObjectType add_object_to_array(const size_t _size,
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OutputArrayType* _parent) const noexcept;
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OutputObjectType add_object_to_object(
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const std::string_view& _name, const size_t _size,
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OutputObjectType* _parent) const noexcept;
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template <class T>
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OutputVarType add_value_to_array(const T& _var,
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OutputArrayType* _parent) const noexcept {
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const auto g = to_generic(_var);
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_parent->val_->push_back(g);
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return g;
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}
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template <class T>
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OutputVarType add_value_to_object(const std::string_view& _name,
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const T& _var,
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OutputObjectType* _parent) const noexcept {
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const auto g = to_generic(_var);
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_parent->val_->insert(_name, g);
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return g;
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}
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OutputVarType add_null_to_array(OutputArrayType* _parent) const noexcept;
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OutputVarType add_null_to_object(const std::string_view& _name,
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OutputObjectType* _parent) const noexcept;
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void end_array(OutputArrayType*) const noexcept {}
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void end_object(OutputObjectType*) const noexcept {}
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OutputVarType& root() { return root_; }
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private:
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template <class T>
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OutputVarType to_generic(const T& _var) const noexcept {
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if constexpr (std::is_same<std::remove_cvref_t<T>, std::string>()) {
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return OutputVarType(_var);
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} else if constexpr (std::is_same<std::remove_cvref_t<T>, bool>()) {
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return OutputVarType(_var);
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} else if constexpr (std::is_floating_point<std::remove_cvref_t<T>>()) {
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return OutputVarType(static_cast<double>(_var));
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} else if constexpr (std::is_integral<std::remove_cvref_t<T>>()) {
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return OutputVarType(static_cast<int64_t>(_var));
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} else {
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static_assert(always_false_v<T>, "Unsupported type");
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}
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return OutputVarType{};
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}
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private:
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mutable OutputVarType root_;
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};
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} // namespace rfl::generic
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#endif
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