record_datatype.h

/*******************************************************************************
 * Copyright (C) 2015-2021 Commissariat a l'energie atomique et aux energies alternatives (CEA)
 * Copyright (C) 2020-2021 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_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_