datatype_template.h

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 * Copyright (C) 2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
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#ifndef PDI_DATATYPE_TEMPLATE_H_
#define PDI_DATATYPE_TEMPLATE_H_

#include <memory>
#include <string>
#include <unordered_map>

#include <paraconf.h>

#include <pdi/expression.h>
#include <pdi/pdi_fwd.h>

namespace PDI {

using Attributes_map = std::unordered_map<std::string, Expression>;

class PDI_EXPORT Datatype_template
{
protected:
    Attributes_map m_attributes;
    
public:
    Datatype_template(const Attributes_map& attributes = {});
    
    Datatype_template(PC_tree_t datatype_tree);
    
    virtual ~Datatype_template();
    
    virtual Datatype_template_uptr clone() const = 0;
    
    virtual Datatype_uptr evaluate(Context& ctx) const = 0;
    
    Expression attribute(const std::string& attribute_name) const;
    
    const Attributes_map& attributes() const;
    
    static void load_basic_datatypes(Context& ctx);
    
    static void load_user_datatypes(Context& ctx, PC_tree_t types_tree);
    
};

} // namespace PDI

#endif // PDI_DATATYPE_TEMPLATE_H_