util.h
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2001-2002 Vivid Solutions Inc.
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************
*
* Utility header to retain a bit of backward compatibility.
* Try to avoid including this header directly.
*
**********************************************************************/
#ifndef GEOS_UTIL_H
#define GEOS_UTIL_H
#include <cassert>
#include <memory>
#include <type_traits>
#include <geos/util/UnsupportedOperationException.h>
//
// Private macros definition
//
namespace geos {
template<class T>
void
ignore_unused_variable_warning(T const &) {}
namespace detail {
using std::make_unique;
template<typename To, typename From> inline To down_cast(From* f)
{
static_assert(
(std::is_base_of<From,
typename std::remove_pointer<To>::type>::value),
"target type not derived from source type");
#if GEOS_DEBUG
assert(f == nullptr || dynamic_cast<To>(f) != nullptr);
#endif
return static_cast<To>(f);
}
} // namespace detail
namespace util {
template<typename T>
void ensureNoCurvedComponents(const T& geom)
{
if (geom.hasCurvedComponents()) {
throw UnsupportedOperationException("Curved geometry types are not supported.");
}
}
template<typename T>
void ensureNoCurvedComponents(const T* geom)
{
ensureNoCurvedComponents(*geom);
}
}
} // namespace geos
#endif // GEOS_UTIL_H
geos::util::UnsupportedOperationException
Indicates that the requested operation is unsupported.
Definition UnsupportedOperationException.h:35
geos::util
Utility classes for GEOS.
Definition namespaces.h:314
geos
Basic namespace for all GEOS functionalities.
Definition geos.h:38