datatype_template.h

/*******************************************************************************
 * 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)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * * Neither the name of CEA nor the names of its contributors may be used to
 *   endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 ******************************************************************************/
 
#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(Context& ctx);
    
    static void load_user_datatypes(Context& ctx, PC_tree_t types_tree);
};
 
} // namespace PDI
 
#endif // PDI_DATATYPE_TEMPLATE_H_