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// file : mapping/traits-oracle.hxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : not copyrighted - public domain
#ifndef TRAITS_ORACLE_HXX
#define TRAITS_ORACLE_HXX
//
// Oracle implementation.
//
#include <cstddef> // std::size_t
#include <cstring> // std::strncmp, std::memcpy
#include <cassert>
#include <odb/oracle/traits.hxx>
#include <odb/oracle/details/date.hxx>
#include "person.hxx" // date
namespace odb
{
namespace oracle
{
template <>
class value_traits<bool, id_string>
{
public:
typedef bool value_type;
typedef bool query_type;
typedef char* image_type;
static void
set_value (bool& v,
const char* b,
std::size_t n,
bool is_null)
{
v = (!is_null && n == 4 && std::strncmp ("true", b, n) == 0);
}
static void
set_image (char* b,
std::size_t c,
std::size_t& n,
bool& is_null,
bool v)
{
is_null = false;
n = v ? 4 : 5;
assert (n <= c);
std::memcpy (b, (v ? "true" : "false"), n);
}
};
template <>
class value_traits<date, id_date>
{
public:
typedef date value_type;
typedef date query_type;
typedef char* image_type;
static void
set_value (date& v, const char* b, bool is_null)
{
if (!is_null)
{
short y;
unsigned char m, d, h, min, s;
details::get_date (b, y, m, d, h, min, s);
v = date (y, m, d);
}
else
v = date (0, 0, 0);
}
static void
set_image (char* b, bool& is_null, const date& v)
{
is_null = false;
short y (static_cast<short> (v.year ()));
unsigned char m (static_cast<unsigned char> (v.month ()));
unsigned char d (static_cast<unsigned char> (v.day ()));
details::set_date (b, y, m, d, 0, 0, 0);
}
};
}
}
#endif // TRAITS_ORACLE_HXX
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