element_fwd.hpp

//          Copyright Christian Manning 2013.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

#ifndef JBSON_ELEMENT_FWD_HPP
#define JBSON_ELEMENT_FWD_HPP

#include <vector>
#include <set>

#include "detail/config.hpp"

namespace jbson {

template <class Container> struct basic_element;

using element = basic_element<std::vector<char>>;

enum class element_type : uint8_t {
    double_element = 0x01,                      
    string_element = 0x02,                      
    document_element = 0x03,                    
    array_element = 0x04,                       
    binary_element = 0x05,                      
    undefined_element JBSON_DEPRECATED = 0x06,  
    oid_element = 0x07,                         
    boolean_element = 0x08,                     
    date_element = 0x09,                        
    null_element = 0x0A,                        
    regex_element = 0x0B,                       
    db_pointer_element JBSON_DEPRECATED = 0x0C, 
    javascript_element = 0x0D,                  
    symbol_element JBSON_DEPRECATED = 0x0E,     
    scoped_javascript_element = 0x0F,           
    int32_element = 0x10,                       
    timestamp_element = 0x11,                   
    int64_element = 0x12,                       
    min_key = 0xFF,                             
    max_key = 0x7F                              
};

namespace detail {
inline bool valid_type(element_type etype) {
    return ((uint8_t)etype >= 0x01 && (uint8_t)etype <= 0x12) || (uint8_t)etype == 0xFF || (uint8_t)etype == 0x7F;
}
} // namespace detail

namespace detail {

struct elem_compare;

template <typename> struct is_element : std::false_type {};

#ifndef DOXYGEN_SHOULD_SKIP_THIS
template <typename Container> struct is_element<basic_element<Container>> : std::true_type {};
#endif

} // namespace detail

template <typename Container> using basic_document_set = std::multiset<basic_element<Container>, detail::elem_compare>;

using document_set = basic_document_set<std::vector<char>>;

struct jbson_error;
struct invalid_element_type;
struct incompatible_element_conversion;
struct incompatible_type_conversion;
struct invalid_element_size;

} // namespace jbson

#endif // JBSON_ELEMENT_FWD_HPP