nuclear@0: /*
nuclear@0: Open Asset Import Library (assimp)
nuclear@0: ----------------------------------------------------------------------
nuclear@0: 
nuclear@0: Copyright (c) 2006-2018, assimp team
nuclear@0: 
nuclear@0: 
nuclear@0: All rights reserved.
nuclear@0: 
nuclear@0: Redistribution and use of this software in source and binary forms,
nuclear@0: with or without modification, are permitted provided that the
nuclear@0: following conditions are met:
nuclear@0: 
nuclear@0: * Redistributions of source code must retain the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer.
nuclear@0: 
nuclear@0: * Redistributions in binary form must reproduce the above
nuclear@0:   copyright notice, this list of conditions and the
nuclear@0:   following disclaimer in the documentation and/or other
nuclear@0:   materials provided with the distribution.
nuclear@0: 
nuclear@0: * Neither the name of the assimp team, nor the names of its
nuclear@0:   contributors may be used to endorse or promote products
nuclear@0:   derived from this software without specific prior
nuclear@0:   written permission of the assimp team.
nuclear@0: 
nuclear@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
nuclear@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
nuclear@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
nuclear@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
nuclear@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
nuclear@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
nuclear@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
nuclear@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
nuclear@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
nuclear@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
nuclear@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
nuclear@0: 
nuclear@0: ----------------------------------------------------------------------
nuclear@0: */
nuclear@0: 
nuclear@0: #ifndef AI_GENERIC_PROPERTY_H_INCLUDED
nuclear@0: #define AI_GENERIC_PROPERTY_H_INCLUDED
nuclear@0: 
nuclear@0: #include <miniassimp/Importer.hpp>
nuclear@0: #include <miniassimp/ai_assert.h>
nuclear@0: #include "Hash.h"
nuclear@0: 
nuclear@0: #include <map>
nuclear@0: 
nuclear@0: // ------------------------------------------------------------------------------------------------
nuclear@0: template <class T>
nuclear@0: inline
nuclear@0: bool SetGenericProperty(std::map< unsigned int, T >& list,
nuclear@0:         const char* szName, const T& value) {
nuclear@0:     ai_assert(0 != szName);
nuclear@0:     const uint32_t hash = SuperFastHash(szName);
nuclear@0: 
nuclear@0:     typename std::map<unsigned int, T>::iterator it = list.find(hash);
nuclear@0:     if (it == list.end())   {
nuclear@0:         list.insert(std::pair<unsigned int, T>( hash, value ));
nuclear@0:         return false;
nuclear@0:     }
nuclear@0:     (*it).second = value;
nuclear@0: 
nuclear@0:     return true;
nuclear@0: }
nuclear@0: 
nuclear@0: // ------------------------------------------------------------------------------------------------
nuclear@0: template <class T>
nuclear@0: inline
nuclear@0: const T& GetGenericProperty(const std::map< unsigned int, T >& list,
nuclear@0:         const char* szName, const T& errorReturn) {
nuclear@0:     ai_assert(0 != szName);
nuclear@0:     const uint32_t hash = SuperFastHash(szName);
nuclear@0: 
nuclear@0:     typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
nuclear@0:     if (it == list.end()) {
nuclear@0:         return errorReturn;
nuclear@0:     }
nuclear@0: 
nuclear@0:     return (*it).second;
nuclear@0: }
nuclear@0: 
nuclear@0: // ------------------------------------------------------------------------------------------------
nuclear@0: // Special version for pointer types - they will be deleted when replaced with another value
nuclear@0: // passing NULL removes the whole property
nuclear@0: template <class T>
nuclear@0: inline
nuclear@0: void SetGenericPropertyPtr(std::map< unsigned int, T* >& list,
nuclear@0:         const char* szName, T* value, bool* bWasExisting = 0 ) {
nuclear@0:     ai_assert(0 != szName);
nuclear@0:     const uint32_t hash = SuperFastHash(szName);
nuclear@0: 
nuclear@0:     typename std::map<unsigned int, T*>::iterator it = list.find(hash);
nuclear@0:     if (it == list.end())   {
nuclear@0:         if (bWasExisting) {
nuclear@0:             *bWasExisting = false;
nuclear@0:         }
nuclear@0: 
nuclear@0:         list.insert(std::pair<unsigned int,T*>( hash, value ));
nuclear@0:         return;
nuclear@0:     }
nuclear@0:     if ((*it).second != value)  {
nuclear@0:         delete (*it).second;
nuclear@0:         (*it).second = value;
nuclear@0:     }
nuclear@0:     if (!value) {
nuclear@0:         list.erase(it);
nuclear@0:     }
nuclear@0:     if (bWasExisting) {
nuclear@0:         *bWasExisting = true;
nuclear@0:     }
nuclear@0: }
nuclear@0: 
nuclear@0: // ------------------------------------------------------------------------------------------------
nuclear@0: template <class T>
nuclear@0: inline
nuclear@0: bool HasGenericProperty(const std::map< unsigned int, T >& list,
nuclear@0:         const char* szName) {
nuclear@0:     ai_assert(0 != szName);
nuclear@0:     const uint32_t hash = SuperFastHash(szName);
nuclear@0: 
nuclear@0:     typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
nuclear@0:     if (it == list.end()) {
nuclear@0:         return false;
nuclear@0:     }
nuclear@0: 
nuclear@0:     return true;
nuclear@0: }
nuclear@0: 
nuclear@0: #endif // !! AI_GENERIC_PROPERTY_H_INCLUDED