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// file : odb/header.cxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#include <odb/common.hxx>
#include <odb/context.hxx>
#include <odb/generate.hxx>
using namespace std;
namespace
{
struct data_member: traversal::data_member, context
{
virtual void
traverse (semantics::data_member& m)
{
if (transient (m))
return;
string const& name (public_name (m));
string const& type (m.type ().fq_name (m.belongs ().hint ()));
os << "static " << type << "&" << endl
<< name << " (value_type&);"
<< endl;
os << "static const " << type << "&" << endl
<< name << " (const value_type&);"
<< endl;
}
};
struct class_: traversal::class_, context
{
class_ ()
{
member_names_ >> member_;
}
virtual void
traverse (type& c)
{
if (c.file () != unit.file ())
return;
if (!composite (c))
return;
string const& type (c.fq_name ());
os << "// " << c.name () << endl
<< "//" << endl;
os << "template <>" << endl
<< "class access::value_traits< " << type << " >"
<< "{"
<< "public:" << endl;
// value_type
//
os << "typedef " << type << " value_type;"
<< endl;
names (c, member_names_);
os << "};";
}
private:
data_member member_;
traversal::names member_names_;
};
}
namespace header
{
void
generate ()
{
context ctx;
ostream& os (ctx.os);
os << "#include <memory>" << endl
<< "#include <cstddef>" << endl // std::size_t
<< endl;
os << "#include <odb/core.hxx>" << endl
<< "#include <odb/traits.hxx>" << endl
<< "#include <odb/callback.hxx>" << endl
<< "#include <odb/wrapper-traits.hxx>" << endl
<< "#include <odb/pointer-traits.hxx>" << endl;
// In case of a boost TR1 implementation, we cannot distinguish
// between the boost::shared_ptr and std::tr1::shared_ptr usage since
// the latter is just a using-declaration for the former. To resolve
// this we will include TR1 traits if the Boost TR1 header is included.
//
if (ctx.unit.count ("tr1-pointer-used") &&
ctx.unit.get<bool> ("tr1-pointer-used"))
{
os << "#include <odb/tr1/wrapper-traits.hxx>" << endl
<< "#include <odb/tr1/pointer-traits.hxx>" << endl;
}
else if (ctx.unit.count ("boost-pointer-used") &&
ctx.unit.get<bool> ("boost-pointer-used"))
{
os << "#ifdef BOOST_TR1_MEMORY_HPP_INCLUDED" << endl
<< "# include <odb/tr1/wrapper-traits.hxx>" << endl
<< "# include <odb/tr1/pointer-traits.hxx>" << endl
<< "#endif" << endl;
}
os << "#include <odb/container-traits.hxx>" << endl;
if (ctx.options.generate_query ())
os << "#include <odb/result.hxx>" << endl;
os << endl;
/*
traversal::unit unit;
traversal::defines unit_defines;
traversal::namespace_ ns;
class_ c;
unit >> unit_defines >> ns;
unit_defines >> c;
traversal::defines ns_defines;
ns >> ns_defines >> ns;
ns_defines >> c;
os << "namespace odb"
<< "{";
unit.dispatch (ctx.unit);
os << "}";
*/
}
}
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