tuple_datatype.h

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 * Copyright (C) 2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
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#ifndef PDI_TUPLE_DATATYPE_H_
#define PDI_TUPLE_DATATYPE_H_
 
#include <string>
#include <vector>
 
#include <pdi/pdi_fwd.h>
#include <pdi/datatype.h>
 
 
namespace PDI {
 
class PDI_EXPORT Tuple_datatype:
    public Datatype
{
    // Required to make_shared due to private ctor
    struct Shared_enabler;
    
public:
    class Element
    {
        size_t m_offset;
        
        Datatype_sptr m_type;
        
    public:
        Element(size_t offset, Datatype_sptr type);
        
        Element(const Element& o);
        
        size_t offset() const;
        
        Datatype_sptr type() const;
        
        bool operator==(const Element& rhs) const;
        
        bool operator!=(const Element& rhs) const;
        
    };
    
private:
    std::vector<Element> m_elements;
    
    size_t m_buffersize;
    
public:
    const std::vector<Element>& elements() const;
    
    size_t size() 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*, const void*) const override;
    
    void* data_from_dense_copy(void*, const void*) const override;
    
    Datatype_sptr index ( size_t ) const override;
    
    std::pair<void*, Datatype_sptr> index ( size_t, void* ) const override;
    
    Datatype_sptr slice ( size_t, size_t ) const override;
    
    std::pair<void*, Datatype_sptr> slice ( size_t, size_t, void* ) const override;
    
    void destroy_data(void*) const override;
    
    std::string debug_string() const override;
    
    bool operator== (const Datatype&) const override;
    
private:
    Tuple_datatype(std::vector<Element> elements, size_t buffersize, const Attributes_map& attributes = {});
    
public:
    static std::shared_ptr<Tuple_datatype> make(std::vector<Element> elements, size_t buffersize, const Attributes_map& attributes = {});
    
};
 
} // namespace PDI
 
#endif // PDI_TUPLE_DATATYPE_H_