Program Listing for File reflection/struct.h

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and your use of them is governed by the express license under which they
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#pragma once

#include <cstdint>
#include <cstddef>
#include <map>

namespace gpa {
namespace serialization {

class Field;
class Union;

struct UnionBinding
{
    std::map<uint64_t, Field const*> selectorValueMap;
    Field const* selector;
};

class Struct
{
public:
    Struct();

    Struct(char const* name, Field const* fields, uint64_t fieldCount, size_t size);
    ~Struct();

    char const* Name() const;

    uint64_t FieldCount() const;

    Field const* GetField(uint64_t index) const;

    Field const* GetFieldByName(char const* name) const;

    void AddUnionFieldSelectorValue(uint64_t selectorValue, char const* unionFieldName, uint64_t unionIndex);

    void SetUnionFieldSelector(uint64_t index, uint64_t unionIndex);

    Field const* GetValidField(void const* structBase, uint64_t unionIndex) const;

    UnionBinding const* GetUnionBinding(uint64_t unionIndex) const;

    size_t Size() const;

private:
    char const* mName{};
    Field const* mFields{};
    uint64_t mFieldCount{};
    size_t mSize{};
    std::map<Union const*, UnionBinding> mUnionFieldSelectorMap;
    bool IndexIsValid(uint64_t unionIndex) const;
    void AddUnionBindingIfNoneExist(Union const* unionMember);
};

}  // namespace serialization
}  // namespace gpa