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defineResolver.h
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1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
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14 // You may obtain a copy of the Apache License at
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24 #ifndef AR_DEFINE_RESOLVER_H
25 #define AR_DEFINE_RESOLVER_H
26 
29 
30 #include "pxr/pxr.h"
31 #include "pxr/usd/ar/api.h"
32 #include "pxr/usd/ar/resolver.h"
33 
34 #include "pxr/base/tf/registryManager.h"
35 #include "pxr/base/tf/type.h"
36 
37 PXR_NAMESPACE_OPEN_SCOPE
38 
49 #ifdef doxygen
50 #define AR_DEFINE_RESOLVER(ResolverClass, BaseClass1, ...)
51 #else
52 #define AR_DEFINE_RESOLVER(...) \
53 TF_REGISTRY_FUNCTION(TfType) { \
54  Ar_DefineResolver<__VA_ARGS__>(); \
55 }
56 #endif // doxygen
57 
58 class Ar_ResolverFactoryBase
59  : public TfType::FactoryBase
60 {
61 public:
62  AR_API
63  virtual ArResolver* New() const = 0;
64 };
65 
66 template <class T>
67 class Ar_ResolverFactory
68  : public Ar_ResolverFactoryBase
69 {
70 public:
71  virtual ArResolver* New() const override
72  {
73  return new T;
74  }
75 };
76 
77 template <class Resolver, class ...Bases>
78 void Ar_DefineResolver()
79 {
80  TfType::Define<Resolver, TfType::Bases<Bases...>>()
81  .template SetFactory<Ar_ResolverFactory<Resolver> >();
82 }
83 
84 PXR_NAMESPACE_CLOSE_SCOPE
85 
86 #endif // AR_DEFINE_RESOLVER_H
Base class of all factory types.
Definition: type.h:79
A type-list of C++ base types.
Definition: type.h:106
static TfType const & Define()
Define a TfType with the given C++ type T and C++ base types B.
Definition: type_Impl.h:78
Interface for the asset resolution system.
Definition: resolver.h:53