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// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef Resource_INCLUDED
#define Resource_INCLUDED 1
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class SP_API Resource {
public:
Resource();
Resource(const Resource &);
int unref(); // return 1 if it should be deleted
void ref();
int count() const;
private:
int count_;
};
inline
Resource::Resource()
: count_(0)
{
}
inline
Resource::Resource(const Resource &)
: count_(0)
{
}
inline
int Resource::count() const
{
return count_;
}
inline
int Resource::unref()
{
return --count_ <= 0;
}
inline
void Resource::ref()
{
++count_;
}
#ifdef SP_NAMESPACE
}
#endif
#endif /* not Resource_INCLUDED */
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