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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:
7// Section 6. Trademarks. is deleted and replaced with:
8//
9// 6. Trademarks. This License does not grant permission to use the trade
10// names, trademarks, service marks, or product names of the Licensor
11// and its affiliates, except as required to comply with Section 4(c) of
12// the License and to reproduce the content of the NOTICE file.
13//
14// You may obtain a copy of the Apache License at
15//
16// http://www.apache.org/licenses/LICENSE-2.0
17//
18// Unless required by applicable law or agreed to in writing, software
19// distributed under the Apache License with the above modification is
20// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21// KIND, either express or implied. See the Apache License for the specific
22// language governing permissions and limitations under the Apache License.
23//
24#ifndef PXR_USD_AR_DEFINE_RESOLVER_H
25#define PXR_USD_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
35#include "pxr/base/tf/type.h"
36
37PXR_NAMESPACE_OPEN_SCOPE
38
49#ifdef doxygen
50#define AR_DEFINE_RESOLVER(ResolverClass, BaseClass1, ...)
51#else
52#define AR_DEFINE_RESOLVER(...) \
53TF_REGISTRY_FUNCTION(TfType) { \
54 Ar_DefineResolver<__VA_ARGS__>(); \
55}
56#endif // doxygen
57
58class Ar_ResolverFactoryBase
59 : public TfType::FactoryBase
60{
61public:
62 AR_API
63 virtual ~Ar_ResolverFactoryBase();
64
65 AR_API
66 virtual ArResolver* New() const = 0;
67};
68
69template <class T>
70class Ar_ResolverFactory
71 : public Ar_ResolverFactoryBase
72{
73public:
74 virtual ArResolver* New() const override
75 {
76 return new T;
77 }
78};
79
80template <class Resolver, class ...Bases>
81void Ar_DefineResolver()
82{
83 TfType::Define<Resolver, TfType::Bases<Bases...>>()
84 .template SetFactory<Ar_ResolverFactory<Resolver> >();
85}
86
87PXR_NAMESPACE_CLOSE_SCOPE
88
89#endif // PXR_USD_AR_DEFINE_RESOLVER_H
Interface for the asset resolution system.
Definition: resolver.h:60
Base class of all factory types.
Definition: type.h:73
static TfType const & Define()
Define a TfType with the given C++ type T and C++ base types B.
A type-list of C++ base types.
Definition: type.h:100