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// file : libbrep/package-traits.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <libbrep/package-traits.hxx>
#include <string>
#include <ostream>
#include <sstream>
#include <cstring> // memcpy
#include <odb/pgsql/traits.hxx>
using namespace std;
namespace odb
{
namespace pgsql
{
static inline void
to_pg_string (ostream& os, const string& s)
{
os << '"';
for (auto c: s)
{
if (c == '\\' || c == '"')
os << '\\';
os << c;
}
os << '"';
}
// Convert C++ weighted_text struct to PostgreSQL weighted_text
// composite type.
//
void value_traits<brep::weighted_text, id_string>::
set_image (details::buffer& b,
size_t& n,
bool& is_null,
const value_type& v)
{
is_null = v.a.empty () && v.b.empty () && v.c.empty () && v.d.empty ();
if (!is_null)
{
ostringstream o;
o << "(";
to_pg_string (o, v.a);
o << ",";
to_pg_string (o, v.b);
o << ",";
to_pg_string (o, v.c);
o << ",";
to_pg_string (o, v.d);
o << ")";
const string& s (o.str ());
n = s.size ();
if (n > b.capacity ())
b.capacity (n);
memcpy (b.data (), s.c_str (), n);
}
}
}
}
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