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named_attribute_arrays.h
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2008-11-07
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#ifndef K3DSDK_NAMED_ATTRIBUTE_ARRAYS_H
#define K3DSDK_NAMED_ATTRIBUTE_ARRAYS_H
// K-3D
// Copyright (c) 1995-2008, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "attribute_arrays.h"
namespace k3d
{
/// Defines a collection of named attribute_arrays objects. The length of the individual
/// attribute_arrays objects may vary.
class named_attribute_arrays :
public std::map<string_t, attribute_arrays>
{
public:
/// Return an attribute_array by name, or NULL
const attribute_arrays* lookup(const string_t& Name) const;
/// Return an attribute_array by name, or NULL
attribute_arrays* writable(const string_t& Name);
/// Returns true iff two collections are equivalent, using the imprecise semantics of almost_equal to compare values.
const bool_t almost_equal(const named_attribute_arrays& Other, const uint64_t Threshold) const;
};
/// Specialization of almost_equal that tests named_attribute_arrays for equality
template<>
class almost_equal<named_attribute_arrays>
{
typedef named_attribute_arrays T;
public:
almost_equal(const uint64_t Threshold) :
threshold(Threshold)
{
}
inline const bool_t operator()(const T& A, const T& B) const
{
return A.almost_equal(B, threshold);
}
const uint64_t threshold;
};
} // namespace k3d
#endif // !K3DSDK_NAMED_ATTRIBUTE_ARRAYS_H