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 #include "pxr/pxr.h"
25 #include "pxr/usd/usd/primFlags.h"
26 #include "pxr/usd/usd/prim.h"
27 
28 PXR_NAMESPACE_OPEN_SCOPE
29 
30 const Usd_PrimFlagsConjunction UsdPrimDefaultPredicate =
31     UsdPrimIsActive && UsdPrimIsDefined &&
32     UsdPrimIsLoaded && !UsdPrimIsAbstract;
33 
34 const Usd_PrimFlagsPredicate UsdPrimAllPrimsPredicate =
35     Usd_PrimFlagsPredicate::Tautology();
36 
37 bool
operator ()(const UsdPrim & prim) const38 Usd_PrimFlagsPredicate::operator()(const UsdPrim &prim) const
39 {
40     if (!prim) {
41         TF_CODING_ERROR("Applying predicate to invalid prim.");
42         return false;
43     }
44     return _Eval(prim._Prim(), prim.IsInstanceProxy());
45 }
46 
47 Usd_PrimFlagsConjunction
operator !() const48 Usd_PrimFlagsDisjunction::operator!() const {
49     return Usd_PrimFlagsConjunction(_GetNegated());
50 }
51 
52 Usd_PrimFlagsDisjunction
operator !() const53 Usd_PrimFlagsConjunction::operator!() const {
54     return Usd_PrimFlagsDisjunction(_GetNegated());
55 }
56 
57 PXR_NAMESPACE_CLOSE_SCOPE
58 
59