miniassimp

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

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Mon, 28 Jan 2019 18:19:26 +0200
parents
children
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/include/miniassimp/GenericProperty.h	Mon Jan 28 18:19:26 2019 +0200
     1.3 @@ -0,0 +1,133 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2018, assimp team
     1.9 +
    1.10 +
    1.11 +All rights reserved.
    1.12 +
    1.13 +Redistribution and use of this software in source and binary forms,
    1.14 +with or without modification, are permitted provided that the
    1.15 +following conditions are met:
    1.16 +
    1.17 +* Redistributions of source code must retain the above
    1.18 +  copyright notice, this list of conditions and the
    1.19 +  following disclaimer.
    1.20 +
    1.21 +* Redistributions in binary form must reproduce the above
    1.22 +  copyright notice, this list of conditions and the
    1.23 +  following disclaimer in the documentation and/or other
    1.24 +  materials provided with the distribution.
    1.25 +
    1.26 +* Neither the name of the assimp team, nor the names of its
    1.27 +  contributors may be used to endorse or promote products
    1.28 +  derived from this software without specific prior
    1.29 +  written permission of the assimp team.
    1.30 +
    1.31 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    1.32 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    1.33 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.34 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    1.35 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.36 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    1.37 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.38 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    1.39 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    1.40 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    1.41 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.42 +
    1.43 +----------------------------------------------------------------------
    1.44 +*/
    1.45 +
    1.46 +#ifndef AI_GENERIC_PROPERTY_H_INCLUDED
    1.47 +#define AI_GENERIC_PROPERTY_H_INCLUDED
    1.48 +
    1.49 +#include <miniassimp/Importer.hpp>
    1.50 +#include <miniassimp/ai_assert.h>
    1.51 +#include "Hash.h"
    1.52 +
    1.53 +#include <map>
    1.54 +
    1.55 +// ------------------------------------------------------------------------------------------------
    1.56 +template <class T>
    1.57 +inline
    1.58 +bool SetGenericProperty(std::map< unsigned int, T >& list,
    1.59 +        const char* szName, const T& value) {
    1.60 +    ai_assert(0 != szName);
    1.61 +    const uint32_t hash = SuperFastHash(szName);
    1.62 +
    1.63 +    typename std::map<unsigned int, T>::iterator it = list.find(hash);
    1.64 +    if (it == list.end())   {
    1.65 +        list.insert(std::pair<unsigned int, T>( hash, value ));
    1.66 +        return false;
    1.67 +    }
    1.68 +    (*it).second = value;
    1.69 +
    1.70 +    return true;
    1.71 +}
    1.72 +
    1.73 +// ------------------------------------------------------------------------------------------------
    1.74 +template <class T>
    1.75 +inline
    1.76 +const T& GetGenericProperty(const std::map< unsigned int, T >& list,
    1.77 +        const char* szName, const T& errorReturn) {
    1.78 +    ai_assert(0 != szName);
    1.79 +    const uint32_t hash = SuperFastHash(szName);
    1.80 +
    1.81 +    typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
    1.82 +    if (it == list.end()) {
    1.83 +        return errorReturn;
    1.84 +    }
    1.85 +
    1.86 +    return (*it).second;
    1.87 +}
    1.88 +
    1.89 +// ------------------------------------------------------------------------------------------------
    1.90 +// Special version for pointer types - they will be deleted when replaced with another value
    1.91 +// passing NULL removes the whole property
    1.92 +template <class T>
    1.93 +inline
    1.94 +void SetGenericPropertyPtr(std::map< unsigned int, T* >& list,
    1.95 +        const char* szName, T* value, bool* bWasExisting = 0 ) {
    1.96 +    ai_assert(0 != szName);
    1.97 +    const uint32_t hash = SuperFastHash(szName);
    1.98 +
    1.99 +    typename std::map<unsigned int, T*>::iterator it = list.find(hash);
   1.100 +    if (it == list.end())   {
   1.101 +        if (bWasExisting) {
   1.102 +            *bWasExisting = false;
   1.103 +        }
   1.104 +
   1.105 +        list.insert(std::pair<unsigned int,T*>( hash, value ));
   1.106 +        return;
   1.107 +    }
   1.108 +    if ((*it).second != value)  {
   1.109 +        delete (*it).second;
   1.110 +        (*it).second = value;
   1.111 +    }
   1.112 +    if (!value) {
   1.113 +        list.erase(it);
   1.114 +    }
   1.115 +    if (bWasExisting) {
   1.116 +        *bWasExisting = true;
   1.117 +    }
   1.118 +}
   1.119 +
   1.120 +// ------------------------------------------------------------------------------------------------
   1.121 +template <class T>
   1.122 +inline
   1.123 +bool HasGenericProperty(const std::map< unsigned int, T >& list,
   1.124 +        const char* szName) {
   1.125 +    ai_assert(0 != szName);
   1.126 +    const uint32_t hash = SuperFastHash(szName);
   1.127 +
   1.128 +    typename std::map<unsigned int, T>::const_iterator it = list.find(hash);
   1.129 +    if (it == list.end()) {
   1.130 +        return false;
   1.131 +    }
   1.132 +
   1.133 +    return true;
   1.134 +}
   1.135 +
   1.136 +#endif // !! AI_GENERIC_PROPERTY_H_INCLUDED