record_datatype.h

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 * Copyright (C) 2020-2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
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#ifndef PDI_RECORD_DATATYPE_H_
#define PDI_RECORD_DATATYPE_H_
 
#include <string>
#include <vector>
 
#include <pdi/pdi_fwd.h>
#include <pdi/datatype.h>
 
namespace PDI {
 
class PDI_EXPORT Record_datatype: public Datatype
{
    // Required to make_shared due to private ctor
    struct Shared_enabler;
    
public:
    class Member
    {
        size_t m_displacement;
        
        Datatype_sptr m_type;
        
        std::string m_name;
        
    public:
        Member(size_t displacement, Datatype_sptr type, const std::string& name);
        
        Member(const Member& o);
        
        size_t displacement() const;
        
        Datatype_sptr type() const;
        
        const std::string& name() const;
        
        bool operator== (const Member& rhs) const;
        
        bool operator!= (const Member& rhs) const;
    };
    
private:
    std::vector<Member> m_members;
    
    size_t m_buffersize;
    
public:
    const std::vector<Member>& members() const;
    
    Datatype_sptr densify() const override;
    
    Datatype_sptr evaluate(Context&) const override;
    
    bool dense() const override;
    
    size_t datasize() const override;
    
    size_t buffersize() const override;
    
    size_t alignment() const override;
    
    bool simple() const override;
    
    void* data_to_dense_copy(void* to, const void*) const override;
    
    void* data_from_dense_copy(void* to, const void*) const override;
    
    Datatype_sptr member(const char* name) const override;
    
    std::pair<void*, Datatype_sptr> member(const char* name, void* data) const override;
    
    void destroy_data(void*) const override;
    
    std::string debug_string() const override;
    
    bool operator== (const Datatype&) const override;
    
private:
    Record_datatype(std::vector<Member>&& members, size_t size, const Attributes_map& attributes = {});
    
public:
    static std::shared_ptr<Record_datatype> make(std::vector<Member>&& members, size_t size, const Attributes_map& attributes = {});
};
 
} // namespace PDI
 
#endif // PDI_RECORD_DATATYPE_H_