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// file : odb/sqlite/traits.cxx
// copyright : Copyright (c) 2005-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <odb/sqlite/traits.hxx>
using namespace std;
namespace odb
{
namespace sqlite
{
using details::buffer;
//
// default_value_traits<std::string>
//
void default_value_traits<string, id_text>::
set_image (buffer& b, size_t& n, bool& is_null, const string& v)
{
is_null = false;
n = v.size ();
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v.c_str (), n);
}
//
// c_string_value_traits
//
void c_string_value_traits::
set_image (buffer& b, size_t& n, bool& is_null, const char* v)
{
is_null = false;
n = strlen (v);
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v, n);
}
//
// c_array_value_traits_base
//
void c_array_value_traits_base::
set_value (char* const& v,
const details::buffer& b,
size_t n,
bool is_null,
size_t N)
{
if (!is_null)
{
n = n < N ? n : N;
if (n != 0)
memcpy (v, b.data (), n);
}
else
n = 0;
if (n != N) // Append '\0' if there is space.
v[n] = '\0';
}
void c_array_value_traits_base::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const char* v,
size_t N)
{
is_null = false;
// Figure out the length. We cannot use strlen since it may
// not be 0-terminated (strnlen is not standard).
//
for (n = 0; n != N && v[n] != '\0'; ++n) ;
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v, n);
}
//
// default_value_traits<std::wstring>
//
#ifdef _WIN32
void default_value_traits<wstring, id_text>::
set_image (buffer& b, size_t& n, bool& is_null, const wstring& v)
{
is_null = false;
n = v.size () * 2;
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v.c_str (), n);
}
//
// c_wstring_value_traits
//
void c_wstring_value_traits::
set_image (buffer& b, size_t& n, bool& is_null, const wchar_t* v)
{
is_null = false;
n = wcslen (v) * 2;
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v, n);
}
//
// c_warray_value_traits_base
//
void c_warray_value_traits_base::
set_value (wchar_t* const& v,
const details::buffer& b,
size_t n,
bool is_null,
size_t N)
{
if (!is_null)
{
n /= 2;
n = n < N ? n : N;
if (n != 0)
memcpy (v, b.data (), n * sizeof (wchar_t));
}
else
n = 0;
if (n != N) // Append '\0' if there is space.
v[n] = L'\0';
}
void c_warray_value_traits_base::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const wchar_t* v,
size_t N)
{
is_null = false;
// Figure out the length. We cannot use wcslen since it may
// not be 0-terminated (wcsnlen is not standard).
//
for (n = 0; n != N && v[n] != L'\0'; ++n) ;
n *= 2;
if (n > b.capacity ())
b.capacity (n);
if (n != 0)
memcpy (b.data (), v, n);
}
#endif // _WIN32
//
// default_value_traits<vector<char>, id_blob>
//
// std::vector has to be qualified for Sun CC.
//
void default_value_traits<std::vector<char>, id_blob>::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const value_type& v)
{
is_null = false;
n = v.size ();
if (n > b.capacity ())
b.capacity (n);
// std::vector::data() may not be available in older compilers.
//
if (n != 0)
memcpy (b.data (), &v.front (), n);
}
//
// default_value_traits<vector<unsigned char>, id_blob>
//
// std::vector has to be qualified for Sun CC.
//
void default_value_traits<std::vector<unsigned char>, id_blob>::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const value_type& v)
{
is_null = false;
n = v.size ();
if (n > b.capacity ())
b.capacity (n);
// std::vector::data() may not be available in older compilers.
//
if (n != 0)
memcpy (b.data (), &v.front (), n);
}
}
}
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