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// file : odb/common.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_COMMON_HXX
#define ODB_COMMON_HXX
#include <cstddef> // std::size_t
#include <odb/context.hxx>
// Find id member.
//
struct id_member: traversal::class_,
traversal::data_member,
context
{
id_member (context& c)
: context (c)
{
*this >> names_ >> *this;
}
semantics::data_member*
member () const
{
return m_;
}
virtual void
traverse (semantics::data_member& m)
{
if (m.count ("id"))
m_ = &m;
}
virtual void
traverse (semantics::class_& c)
{
m_ = 0;
names (c);
}
private:
traversal::names names_;
semantics::data_member* m_;
};
// Find id member.
//
struct member_count: traversal::class_,
traversal::data_member,
context
{
member_count (context& c)
: context (c)
{
*this >> names_ >> *this;
}
std::size_t
count () const
{
return count_;
}
virtual void
traverse (semantics::data_member& m)
{
if (!m.count ("transient"))
count_++;
}
virtual void
traverse (semantics::class_& c)
{
count_ = 0;
names (c);
}
private:
traversal::names names_;
std::size_t count_;
};
#endif // ODB_COMMON_HXX
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