datatype_template.h

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 * Copyright (C) 2015-2021 Commissariat a l'energie atomique et aux energies alternatives (CEA)
 * Copyright (C) 2021 Institute of Bioorganic Chemistry Polish Academy of Science (PSNC)
 * Copyright (C) 2026 Julien Bigot <julien@julien-bigot.fr>
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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/pdi_fwd.h>
#include <pdi/expression.h>
 
namespace PDI {
 
using Attributes_map = std::unordered_map<std::string, Expression>;
 
class PDI_EXPORT Datatype_template: public std::enable_shared_from_this<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_sptr evaluate(Context& ctx) const = 0;

    Expression attribute(const std::string& attribute_name) const;

    const Attributes_map& attributes() const;

    static void load_basic_datatypes(Logger& logger, Context& ctx);

    static void load_user_datatypes(Context& ctx, PC_tree_t types_tree);
};
 
} // namespace PDI
 
#endif // PDI_DATATYPE_TEMPLATE_H_