diff options
Diffstat (limited to 'intern/container/CTR_TaggedIndex.h')
| -rw-r--r-- | intern/container/CTR_TaggedIndex.h | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/intern/container/CTR_TaggedIndex.h b/intern/container/CTR_TaggedIndex.h deleted file mode 100644 index 8420414d6c7..00000000000 --- a/intern/container/CTR_TaggedIndex.h +++ /dev/null @@ -1,219 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - */ - -/** \file container/CTR_TaggedIndex.h - * \ingroup ctr - */ - - -/** - - * Copyright (C) 2001 NaN Technologies B.V. - * Simple tagged index class. - */ - -#ifndef __CTR_TAGGEDINDEX_H__ -#define __CTR_TAGGEDINDEX_H__ - -/** - * This class is supposed to be a simple tagged index class. If these - * were indices into a mesh then we would never need 32 bits for such indices. - * It is often handy to have a few extra bits around to mark objects etc. We - * steal a few bits of CTR_TaggedIndex objects for this purpose. From the outside - * it will behave like a standard unsigned int but just carry the extra tag - * information around with it. - */ - -#include <functional> - -#include "MEM_sys_types.h" - -enum { - - empty_tag = 0x0, - empty_index = 0xffffffff -}; - -template < - int tag_shift, - int index_mask -> class CTR_TaggedIndex { -public: - CTR_TaggedIndex( - ) : - m_val ((empty_tag << tag_shift) | (empty_index & index_mask)) - { - } - - CTR_TaggedIndex( - const int val - ) : - m_val ((val & index_mask) | ((empty_tag << tag_shift) & (~index_mask))) { - } - - CTR_TaggedIndex( - const unsigned int val - ) : - m_val ((val & index_mask) | ((empty_tag << tag_shift) & (~index_mask))) { - } - - CTR_TaggedIndex( - const long int val - ) : - m_val ( ((long int) val & index_mask) - | ( (empty_tag << tag_shift) - & (~index_mask)) ) { - } - - CTR_TaggedIndex( - const long unsigned int val - ) : - m_val ( ((long unsigned int)val & index_mask) - | ( (empty_tag << tag_shift) - & (~index_mask) ) ) { - } - - -#if defined(_WIN64) - CTR_TaggedIndex( - const uint64_t val - ) : - m_val ( ((uint64_t)val & index_mask) - | ( (empty_tag << tag_shift) - & (~index_mask) ) ) { - } -#endif - - CTR_TaggedIndex( - const CTR_TaggedIndex &my_index - ): - m_val(my_index.m_val) - { - } - - bool - operator == ( - const CTR_TaggedIndex& rhs - ) const { - - return ((this->m_val & index_mask) == (rhs.m_val & index_mask)); - } - - operator unsigned int () const { - return m_val & index_mask; - } - - operator unsigned long int () const { - return (unsigned long int)(m_val & index_mask); - } - - operator int () const { - return int(m_val & index_mask); - } - - operator long int () const { - return (long int)(m_val & index_mask); - } - -#if defined(_WIN64) - operator uint64_t () const { - return (uint64_t)(m_val & index_mask); - } -#endif - - bool - IsEmpty( - ) const { - return ((m_val & index_mask) == (empty_index & index_mask)); - } - - - static - CTR_TaggedIndex - Empty( - ) { - return CTR_TaggedIndex(); - } - - void - Invalidate( - ) { - m_val = (empty_tag << tag_shift) | (empty_index & index_mask); - } - - - unsigned int - Tag ( - ) const { - return m_val >> tag_shift; - } - - void - SetTag( - unsigned int tag - ) { - m_val = (m_val & index_mask) | ((tag << tag_shift) & (~index_mask)); - } - - void - EmptyTag( - ) { - m_val = (m_val & index_mask) | ((empty_tag << tag_shift) & (~index_mask)); - } - - bool - IsEmptyTag( - ) const { - return (Tag() == Empty().Tag()); - } - - // functionals - - struct greater : std::binary_function<CTR_TaggedIndex, CTR_TaggedIndex, bool> - { - bool - operator()( - const CTR_TaggedIndex& a, - const CTR_TaggedIndex& b - ) const { - return (int(a) > int(b)); - } - }; - - -private : - CTR_TaggedIndex( - const CTR_TaggedIndex *index - ) {}; - - unsigned int m_val; - - -}; - -#endif - |