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// file : oracle/types/traits.hxx
// copyright : Copyright (c) 2009-2017 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef TRAITS_HXX
#define TRAITS_HXX
#include <vector>
#include <sstream>
#include <cstring> // std::memcpy
#include <cassert> // std::memcpy
#include <odb/oracle/traits.hxx>
namespace odb
{
namespace oracle
{
template <>
class value_traits<std::vector<int>, id_string>
{
public:
typedef std::vector<int> value_type;
typedef value_type query_type;
typedef details::buffer image_type;
static void
set_value (value_type& v,
const char* b,
std::size_t n,
bool is_null)
{
v.clear ();
if (!is_null)
{
// Array format is "n1,n2,n3...".
//
std::istringstream is (std::string (b, n));
for (char c; !is.eof (); is >> c)
{
v.push_back (int ());
is >> v.back ();
}
}
}
static void
set_image (char* b,
std::size_t c,
std::size_t& n,
bool& is_null,
const value_type& v)
{
is_null = false;
std::ostringstream os;
for (value_type::const_iterator i (v.begin ()), e (v.end ()); i != e;)
{
os << *i;
if (++i != e)
os << ',';
}
const std::string& s (os.str ());
n = s.size ();
assert (n <= c);
std::memcpy (b, s.c_str (), n);
}
};
}
}
#endif // TRAITS_HXX
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