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// file : odb/relational/pgsql/common.hxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v3; see accompanying LICENSE file
#ifndef ODB_RELATIONAL_PGSQL_COMMON_HXX
#define ODB_RELATIONAL_PGSQL_COMMON_HXX
#include <odb/relational/common.hxx>
#include <odb/relational/pgsql/context.hxx>
namespace relational
{
namespace pgsql
{
struct member_base: virtual relational::member_base, context
{
member_base (base const& x): base (x) {}
// This c-tor is for the direct use inside the pgsql namespace.
// If you do use this c-tor, you should also explicitly call
// relational::member_base.
//
member_base () {}
virtual void
traverse (semantics::data_member& m);
struct member_info
{
semantics::data_member& m; // Member.
semantics::type& t; // Cvr-unqualified member C++ type, note
// that m.type () may not be the same as t.
semantics::type* wrapper; // Wrapper type if member is a composite or
// container wrapper, also cvr-unqualified.
// In this case t is the wrapped type.
bool cq; // True if the original (wrapper) type
// is const-qualified.
sql_type const* st; // Member SQL type (only simple values).
string& var; // Member variable name with trailing '_'.
// C++ type fq-name.
//
string
fq_type (bool unwrap = true) const
{
semantics::names* hint;
if (wrapper != 0 && unwrap)
{
// Use the hint from the wrapper unless the wrapped type
// is qualified.
//
hint = wrapper->get<semantics::names*> ("wrapper-hint");
utype (*context::wrapper (*wrapper), hint);
return t.fq_name (hint);
}
// Use the original type from 'm' instead of 't' since the hint
// may be invalid for a different type. Plus, if a type is
// overriden, then the fq_type must be as well.
//
if (fq_type_.empty ())
{
semantics::type& t (utype (m, hint));
return t.fq_name (hint);
}
else
return fq_type_;
}
string const& fq_type_;
member_info (semantics::data_member& m_,
semantics::type& t_,
semantics::type* wrapper_,
bool cq_,
string& var_,
string const& fq_type)
: m (m_),
t (t_),
wrapper (wrapper_),
cq (cq_),
st (0),
var (var_),
fq_type_ (fq_type)
{
}
};
// The false return value indicates that no further callbacks
// should be called for this member.
//
virtual bool
pre (member_info&)
{
return true;
}
virtual void
post (member_info&)
{
}
virtual void
traverse_composite (member_info&)
{
}
virtual void
traverse_container (member_info&)
{
}
virtual void
traverse_object_pointer (member_info& mi)
{
traverse_simple (mi);
}
virtual void
traverse_simple (member_info&);
virtual void
traverse_integer (member_info&)
{
}
virtual void
traverse_float (member_info&)
{
}
virtual void
traverse_numeric (member_info&)
{
}
virtual void
traverse_date_time (member_info&)
{
}
virtual void
traverse_string (member_info&)
{
}
virtual void
traverse_bit (member_info&)
{
}
virtual void
traverse_varbit (member_info&)
{
}
virtual void
traverse_uuid (member_info&)
{
}
};
struct member_image_type: member_base
{
member_image_type (semantics::type* type = 0,
string const& fq_type = string (),
string const& key_prefix = string ());
string
image_type (semantics::data_member&);
virtual void
traverse_composite (member_info&);
virtual void
traverse_integer (member_info&);
virtual void
traverse_float (member_info&);
virtual void
traverse_numeric (member_info&);
virtual void
traverse_date_time (member_info&);
virtual void
traverse_string (member_info&);
virtual void
traverse_bit (member_info&);
virtual void
traverse_varbit (member_info&);
virtual void
traverse_uuid (member_info&);
private:
string type_;
};
struct member_database_type_id: member_base
{
member_database_type_id (semantics::type* type = 0,
string const& fq_type = string (),
string const& key_prefix = string ());
string
database_type_id (type&);
virtual void
traverse_composite (member_info&);
virtual void
traverse_integer (member_info&);
virtual void
traverse_float (member_info&);
virtual void
traverse_numeric (member_info&);
virtual void
traverse_date_time (member_info&);
virtual void
traverse_string (member_info&);
virtual void
traverse_bit (member_info&);
virtual void
traverse_varbit (member_info&);
virtual void
traverse_uuid (member_info&);
private:
string type_id_;
};
}
}
#endif // ODB_RELATIONAL_PGSQL_COMMON_HXX
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