miniassimp

annotate include/miniassimp/GenericProperty.h @ 0:879c81d94345

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author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 28 Jan 2019 18:19:26 +0200
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nuclear@0 1 /*
nuclear@0 2 Open Asset Import Library (assimp)
nuclear@0 3 ----------------------------------------------------------------------
nuclear@0 4
nuclear@0 5 Copyright (c) 2006-2018, assimp team
nuclear@0 6
nuclear@0 7
nuclear@0 8 All rights reserved.
nuclear@0 9
nuclear@0 10 Redistribution and use of this software in source and binary forms,
nuclear@0 11 with or without modification, are permitted provided that the
nuclear@0 12 following conditions are met:
nuclear@0 13
nuclear@0 14 * Redistributions of source code must retain the above
nuclear@0 15 copyright notice, this list of conditions and the
nuclear@0 16 following disclaimer.
nuclear@0 17
nuclear@0 18 * Redistributions in binary form must reproduce the above
nuclear@0 19 copyright notice, this list of conditions and the
nuclear@0 20 following disclaimer in the documentation and/or other
nuclear@0 21 materials provided with the distribution.
nuclear@0 22
nuclear@0 23 * Neither the name of the assimp team, nor the names of its
nuclear@0 24 contributors may be used to endorse or promote products
nuclear@0 25 derived from this software without specific prior
nuclear@0 26 written permission of the assimp team.
nuclear@0 27
nuclear@0 28 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0 29 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0 30 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0 31 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0 32 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0 33 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0 34 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0 35 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0 36 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0 37 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0 38 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0 39
nuclear@0 40 ----------------------------------------------------------------------
nuclear@0 41 */
nuclear@0 42
nuclear@0 43 #ifndef AI_GENERIC_PROPERTY_H_INCLUDED
nuclear@0 44 #define AI_GENERIC_PROPERTY_H_INCLUDED
nuclear@0 45
nuclear@0 46 #include <miniassimp/Importer.hpp>
nuclear@0 47 #include <miniassimp/ai_assert.h>
nuclear@0 48 #include "Hash.h"
nuclear@0 49
nuclear@0 50 #include <map>
nuclear@0 51
nuclear@0 52 // ------------------------------------------------------------------------------------------------
nuclear@0 53 template <class T>
nuclear@0 54 inline
nuclear@0 55 bool SetGenericProperty(std::map< unsigned int, T >& list,
nuclear@0 56 const char* szName, const T& value) {
nuclear@0 57 ai_assert(0 != szName);
nuclear@0 58 const uint32_t hash = SuperFastHash(szName);
nuclear@0 59
nuclear@0 60 typename std::map<unsigned int, T>::iterator it = list.find(hash);
nuclear@0 61 if (it == list.end()) {
nuclear@0 62 list.insert(std::pair<unsigned int, T>( hash, value ));
nuclear@0 63 return false;
nuclear@0 64 }
nuclear@0 65 (*it).second = value;
nuclear@0 66
nuclear@0 67 return true;
nuclear@0 68 }
nuclear@0 69
nuclear@0 70 // ------------------------------------------------------------------------------------------------
nuclear@0 71 template <class T>
nuclear@0 72 inline
nuclear@0 73 const T& GetGenericProperty(const std::map< unsigned int, T >& list,
nuclear@0 74 const char* szName, const T& errorReturn) {
nuclear@0 75 ai_assert(0 != szName);
nuclear@0 76 const uint32_t hash = SuperFastHash(szName);
nuclear@0 77
nuclear@0 78 typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
nuclear@0 79 if (it == list.end()) {
nuclear@0 80 return errorReturn;
nuclear@0 81 }
nuclear@0 82
nuclear@0 83 return (*it).second;
nuclear@0 84 }
nuclear@0 85
nuclear@0 86 // ------------------------------------------------------------------------------------------------
nuclear@0 87 // Special version for pointer types - they will be deleted when replaced with another value
nuclear@0 88 // passing NULL removes the whole property
nuclear@0 89 template <class T>
nuclear@0 90 inline
nuclear@0 91 void SetGenericPropertyPtr(std::map< unsigned int, T* >& list,
nuclear@0 92 const char* szName, T* value, bool* bWasExisting = 0 ) {
nuclear@0 93 ai_assert(0 != szName);
nuclear@0 94 const uint32_t hash = SuperFastHash(szName);
nuclear@0 95
nuclear@0 96 typename std::map<unsigned int, T*>::iterator it = list.find(hash);
nuclear@0 97 if (it == list.end()) {
nuclear@0 98 if (bWasExisting) {
nuclear@0 99 *bWasExisting = false;
nuclear@0 100 }
nuclear@0 101
nuclear@0 102 list.insert(std::pair<unsigned int,T*>( hash, value ));
nuclear@0 103 return;
nuclear@0 104 }
nuclear@0 105 if ((*it).second != value) {
nuclear@0 106 delete (*it).second;
nuclear@0 107 (*it).second = value;
nuclear@0 108 }
nuclear@0 109 if (!value) {
nuclear@0 110 list.erase(it);
nuclear@0 111 }
nuclear@0 112 if (bWasExisting) {
nuclear@0 113 *bWasExisting = true;
nuclear@0 114 }
nuclear@0 115 }
nuclear@0 116
nuclear@0 117 // ------------------------------------------------------------------------------------------------
nuclear@0 118 template <class T>
nuclear@0 119 inline
nuclear@0 120 bool HasGenericProperty(const std::map< unsigned int, T >& list,
nuclear@0 121 const char* szName) {
nuclear@0 122 ai_assert(0 != szName);
nuclear@0 123 const uint32_t hash = SuperFastHash(szName);
nuclear@0 124
nuclear@0 125 typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
nuclear@0 126 if (it == list.end()) {
nuclear@0 127 return false;
nuclear@0 128 }
nuclear@0 129
nuclear@0 130 return true;
nuclear@0 131 }
nuclear@0 132
nuclear@0 133 #endif // !! AI_GENERIC_PROPERTY_H_INCLUDED