This reverts commit 78b22393a8
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It caused a regression in FBX import leading to crashes.
Fixes #36908.
185 lines
5.2 KiB
C++
185 lines
5.2 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2019, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file FBXProperties.h
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* @brief FBX dynamic properties
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*/
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#ifndef INCLUDED_AI_FBX_PROPERTIES_H
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#define INCLUDED_AI_FBX_PROPERTIES_H
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#include "FBXCompileConfig.h"
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#include <memory>
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#include <string>
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namespace Assimp {
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namespace FBX {
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// Forward declarations
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class Element;
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/** Represents a dynamic property. Type info added by deriving classes,
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* see #TypedProperty.
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Example:
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@verbatim
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P: "ShininessExponent", "double", "Number", "",0.5
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@endvebatim
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*/
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class Property {
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protected:
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Property();
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public:
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virtual ~Property();
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public:
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template <typename T>
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const T* As() const {
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return dynamic_cast<const T*>(this);
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}
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};
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template<typename T>
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class TypedProperty : public Property {
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public:
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explicit TypedProperty(const T& value)
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: value(value) {
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// empty
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}
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const T& Value() const {
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return value;
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}
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private:
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T value;
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};
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typedef std::fbx_unordered_map<std::string,std::shared_ptr<Property> > DirectPropertyMap;
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typedef std::fbx_unordered_map<std::string,const Property*> PropertyMap;
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typedef std::fbx_unordered_map<std::string,const Element*> LazyPropertyMap;
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/**
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* Represents a property table as can be found in the newer FBX files (Properties60, Properties70)
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*/
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class PropertyTable {
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public:
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// in-memory property table with no source element
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PropertyTable();
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PropertyTable(const Element& element, std::shared_ptr<const PropertyTable> templateProps);
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~PropertyTable();
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const Property* Get(const std::string& name) const;
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// PropertyTable's need not be coupled with FBX elements so this can be NULL
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const Element* GetElement() const {
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return element;
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}
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const PropertyTable* TemplateProps() const {
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return templateProps.get();
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}
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DirectPropertyMap GetUnparsedProperties() const;
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private:
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LazyPropertyMap lazyProps;
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mutable PropertyMap props;
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const std::shared_ptr<const PropertyTable> templateProps;
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const Element* const element;
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};
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// ------------------------------------------------------------------------------------------------
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template <typename T>
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inline
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T PropertyGet(const PropertyTable& in, const std::string& name, const T& defaultValue) {
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const Property* const prop = in.Get(name);
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if( nullptr == prop) {
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return defaultValue;
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}
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// strong typing, no need to be lenient
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const TypedProperty<T>* const tprop = prop->As< TypedProperty<T> >();
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if( nullptr == tprop) {
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return defaultValue;
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}
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return tprop->Value();
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}
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// ------------------------------------------------------------------------------------------------
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template <typename T>
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inline
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T PropertyGet(const PropertyTable& in, const std::string& name, bool& result, bool useTemplate=false ) {
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const Property* prop = in.Get(name);
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if( nullptr == prop) {
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if ( ! useTemplate ) {
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result = false;
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return T();
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}
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const PropertyTable* templ = in.TemplateProps();
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if ( nullptr == templ ) {
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result = false;
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return T();
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}
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prop = templ->Get(name);
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if ( nullptr == prop ) {
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result = false;
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return T();
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}
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}
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// strong typing, no need to be lenient
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const TypedProperty<T>* const tprop = prop->As< TypedProperty<T> >();
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if( nullptr == tprop) {
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result = false;
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return T();
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}
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result = true;
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return tprop->Value();
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}
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} //! FBX
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} //! Assimp
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#endif // INCLUDED_AI_FBX_PROPERTIES_H
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