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// file : odb/oracle/traits.cxx
// copyright : Copyright (c) 2005-2018 Code Synthesis Tools CC
// license : ODB NCUEL; see accompanying LICENSE file
#include <odb/oracle/traits.hxx>
using namespace std;
namespace odb
{
namespace oracle
{
//
// c_array_value_traits_base
//
void c_array_value_traits_base::
set_value (char* const& v,
const char* b,
size_t n,
bool is_null,
size_t N)
{
if (!is_null)
{
n = n < N ? n : N;
if (n != 0)
memcpy (v, b, n);
}
else
n = 0;
if (n != N) // Append '\0' if there is space.
v[n] = '\0';
}
void c_array_value_traits_base::
set_image (char* b,
size_t c,
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 > c)
n = c;
if (n != 0)
memcpy (b, v, n);
}
//
// string_lob_value_traits
//
bool string_lob_value_traits::
result_callback (void* c, ub4*, void* b, ub4 s, chunk_position p)
{
string& v (*static_cast<string*> (c));
switch (p)
{
case chunk_one:
case chunk_first:
{
v.clear ();
// Falling through.
}
case chunk_next:
case chunk_last:
{
v.append (static_cast<char*> (b), s);
break;
}
}
return true;
}
bool string_lob_value_traits::
param_callback (const void* c,
ub4*,
const void** b,
ub4* s,
chunk_position* p,
void*,
ub4)
{
const string& v (*static_cast<const string*> (c));
*p = chunk_one;
*s = static_cast<ub4> (v.size ());
*b = v.c_str ();
return true;
}
//
// default_value_traits<std::vector<char>, id_blob>
//
// std::vector has to be qualified for Sun CC.
//
bool default_value_traits<std::vector<char>, id_blob>::
result_callback (void* c, ub4*, void* b, ub4 s, chunk_position p)
{
value_type& v (*static_cast<value_type*> (c));
switch (p)
{
case chunk_one:
case chunk_first:
{
v.clear ();
// Falling through.
}
case chunk_next:
case chunk_last:
{
char* cb (static_cast<char*> (b));
v.insert (v.end (), cb, cb + s);
break;
}
}
return true;
}
bool default_value_traits<std::vector<char>, id_blob>::
param_callback (const void* c,
ub4*,
const void** b,
ub4* s,
chunk_position* p,
void*,
ub4)
{
const value_type& v (*static_cast<const value_type*> (c));
*p = chunk_one;
*s = static_cast<ub4> (v.size ());
*b = v.empty () ? 0 : &v.front ();
return true;
}
//
// default_value_traits<std::vector<unsigned char>, id_blob>
//
// std::vector has to be qualified for Sun CC.
//
bool default_value_traits<std::vector<unsigned char>, id_blob>::
result_callback (void* c, ub4*, void* b, ub4 s, chunk_position p)
{
value_type& v (*static_cast<value_type*> (c));
switch (p)
{
case chunk_one:
case chunk_first:
{
v.clear ();
// Falling through.
}
case chunk_next:
case chunk_last:
{
unsigned char* cb (static_cast<unsigned char*> (b));
v.insert (v.end (), cb, cb + s);
break;
}
}
return true;
}
bool default_value_traits<std::vector<unsigned char>, id_blob>::
param_callback (const void* c,
ub4*,
const void** b,
ub4* s,
chunk_position* p,
void*,
ub4)
{
const value_type& v (*static_cast<const value_type*> (c));
*p = chunk_one;
*s = static_cast<ub4> (v.size ());
*b = v.empty () ? 0 : &v.front ();
return true;
}
}
}
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