odb/mysql/source.cxx


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// file      : odb/mysql/source.cxx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

#include <odb/mysql/common.hxx>
#include <odb/mysql/source.hxx>

namespace
{
  struct class_: traversal::class_, context
  {
    class_ (context& c)
        : context (c)
    {
    }

    virtual void
    traverse (type& c)
    {
      if (c.file () != unit.file ())
        return;

      if (!c.count ("object"))
        return;

      string const& type (c.fq_name ());
      string traits ("access::object_traits< " + type + " >");

      id_member t (*this);
      t.traverse (c);
      semantics::data_member& id (*t.member ());

      os << "// " << c.name () << endl
         << "//" << endl
         << endl;

      // persist ()
      //
      os << "void " << traits << "::" << endl
         << "persist (database&, object_type& obj)"
         << "{"
         << "}";

      // store ()
      //
      os << "void " << traits << "::" << endl
         << "store (database&, object_type& obj)"
         << "{"
         << "}";

      // erase ()
      //
      os << "void " << traits << "::" << endl
         << "erase (database&, const id_type& id)"
         << "{"
         << "}";

      // find ()
      //
      os << traits << "::pointer_type" << endl
         << traits << "::" << endl
         << "find (database&, const id_type& id)"
         << "{"
         << "return 0;"
         << "}";

      os << "bool " << traits << "::" << endl
         << "find (database&, const id_type& id, object_type& obj)"
         << "{"
         << "return false;"
         << "}";
    }
  };
}

namespace mysql
{
  void
  generate_source (context& ctx)
  {
    traversal::unit unit;
    traversal::defines unit_defines;
    traversal::namespace_ ns;
    class_ c (ctx);

    unit >> unit_defines >> ns;
    unit_defines >> c;

    traversal::defines ns_defines;

    ns >> ns_defines >> ns;
    ns_defines >> c;

    ctx.os << "#include <odb/mysql/database.hxx>" << endl
           << "#include <odb/mysql/exceptions.hxx>" << endl
           << endl;

    ctx.os << "namespace odb"
           << "{";

    unit.dispatch (ctx.unit);

    ctx.os << "}";
  }
}