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Revert to main reference.hpp. VC6 cannot handle, get<T>().
[SVN r9593]
This commit is contained in:
Ralf W. Grosse-Kunstleve
@@ -1,185 +0,0 @@
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// (C) Copyright David Abrahams 2000. Permission to copy, use, modify, sell and
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// distribute this software is granted provided this copyright notice appears
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// in all copies. This software is provided "as is" without express or implied
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// warranty, and with no claim as to its suitability for any purpose.
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//
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// The author gratefully acknowleges the support of Dragon Systems, Inc., in
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// producing this work.
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#ifndef PYPTR_DWA050400_H_
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# define PYPTR_DWA050400_H_
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# include <boost/python/detail/config.hpp>
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# include <boost/operators.hpp>
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# include <boost/python/detail/wrap_python.hpp>
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# include <boost/python/detail/cast.hpp>
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# include <cassert>
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# include <boost/python/detail/signatures.hpp>
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# include <boost/python/errors.hpp>
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# include <boost/python/conversions.hpp>
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BOOST_PYTHON_BEGIN_CONVERSION_NAMESPACE
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template <class T, class Value, class Base>
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struct py_ptr_conversions : Base
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{
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inline friend T from_python(PyObject* x, boost::python::type<const T&>)
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{ return T(boost::python::downcast<Value>(x).get(), T::increment_count); }
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inline friend T from_python(PyObject* x, boost::python::type<T>)
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{ return T(boost::python::downcast<Value>(x).get(), T::increment_count); }
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inline friend PyObject* to_python(T x)
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{ return boost::python::as_object(x.release()); }
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};
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BOOST_PYTHON_END_CONVERSION_NAMESPACE
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namespace boost { namespace python {
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BOOST_PYTHON_IMPORT_CONVERSION(py_ptr_conversions);
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template <class T>
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class reference
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: public py_ptr_conversions<reference<T>, T,
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boost::dereferenceable<reference<T>, T*> > // supplies op->
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{
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public:
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typedef T value_type;
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reference(const reference& rhs)
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: m_p(rhs.m_p)
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{
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Py_XINCREF(object());
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}
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#if !defined(BOOST_MSVC6_OR_EARLIER)
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template <class T2>
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reference(const reference<T2>& rhs)
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: m_p(rhs.object())
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{
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Py_XINCREF(object());
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}
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#endif
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reference() : m_p(0) {}
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// These are two ways of spelling the same thing, that we need to increment
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// the reference count on the pointer when we're initialized.
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enum increment_count_t { increment_count };
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enum allow_null { null_ok };
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template <class T2>
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explicit reference(T2* x)
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: m_p(expect_non_null(x)) {}
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template <class T2>
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reference(T2* x, increment_count_t)
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: m_p(expect_non_null(x)) { Py_INCREF(object()); }
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template <class T2>
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reference(T2* x, allow_null)
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: m_p(x) {}
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template <class T2>
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reference(T2* x, allow_null, increment_count_t)
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: m_p(x) { Py_XINCREF(object()); }
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template <class T2>
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reference(T2* x, increment_count_t, allow_null)
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: m_p(x) { Py_XINCREF(object()); }
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#if !defined(BOOST_MSVC6_OR_EARLIER)
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template <class T2>
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reference& operator=(const reference<T2>& rhs)
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{
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Py_XDECREF(object());
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m_p = rhs.m_p;
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Py_XINCREF(object());
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return *this;
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}
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#endif
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reference& operator=(const reference& rhs)
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{
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Py_XINCREF(static_cast<PyObject*>(rhs.m_p));
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Py_XDECREF(object());
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m_p = rhs.m_p;
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return *this;
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}
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~reference()
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{
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Py_XDECREF(m_p);
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}
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T& operator*() const { return *m_p; }
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T* get() const { return m_p; }
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template <class U>
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inline U get(type<U> = type<U>()) const {
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return BOOST_PYTHON_CONVERSION::from_python(get(), type<U>());
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}
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inline reference getattr(const std::string& attr_name) {
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return reference(PyObject_GetAttrString(get(), const_cast<char*>(attr_name.c_str())));
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}
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inline reference getattr(const std::string& attr_name, allow_null) {
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return reference(PyObject_GetAttrString(get(), const_cast<char*>(attr_name.c_str())), null_ok);
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}
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T* release()
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{
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T* p = m_p;
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m_p = 0;
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return p;
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}
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void reset()
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{ Py_XDECREF(m_p); m_p = 0; }
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template <class T2>
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void reset(T2* x)
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{ Py_XDECREF(m_p); m_p = expect_non_null(x);}
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template <class T2>
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void reset(T2* x, increment_count_t)
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{ Py_XDECREF(m_p); m_p = expect_non_null(x); Py_INCREF(object()); }
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template <class T2>
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void reset(T2* x, allow_null)
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{ Py_XDECREF(m_p); m_p = x;}
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template <class T2>
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void reset(T2* x, allow_null, increment_count_t)
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{ Py_XDECREF(m_p); m_p = x; Py_XINCREF(object()); }
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template <class T2>
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void reset(T2* x, increment_count_t, allow_null)
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{ Py_XDECREF(m_p); m_p = x; Py_XINCREF(object()); }
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#if !defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
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private:
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template<typename Y> friend class shared_ptr;
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#endif
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inline PyObject* object() const
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{ return as_object(m_p); }
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T* m_p;
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};
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typedef reference<PyObject> ref;
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template <class T>
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ref make_ref(const T& x)
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{
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return ref(to_python(x));
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}
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}} // namespace boost::python
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#endif // PYPTR_DWA050400_H_
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