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site.h
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_SDF_SITE_H
25#define PXR_USD_SDF_SITE_H
26
27#include "pxr/pxr.h"
28#include "pxr/usd/sdf/layer.h"
29#include "pxr/usd/sdf/path.h"
30
31#include <set>
32#include <vector>
33
34PXR_NAMESPACE_OPEN_SCOPE
35
43{
44public:
45 SdfSite() { }
46 SdfSite(const SdfLayerHandle& layer_, const SdfPath& path_)
47 : layer(layer_)
48 , path(path_)
49 { }
50
51 bool operator==(const SdfSite& other) const
52 {
53 return layer == other.layer && path == other.path;
54 }
55
56 bool operator!=(const SdfSite& other) const
57 {
58 return !(*this == other);
59 }
60
61 bool operator<(const SdfSite& other) const
62 {
63 return layer < other.layer ||
64 (!(other.layer < layer) && path < other.path);
65 }
66
67 bool operator>(const SdfSite& other) const
68 {
69 return other < *this;
70 }
71
72 bool operator<=(const SdfSite& other) const
73 {
74 return !(other < *this);
75 }
76
77 bool operator>=(const SdfSite& other) const
78 {
79 return !(*this < other);
80 }
81
86 explicit operator bool() const
87 {
88 return layer && !path.IsEmpty();
89 }
90
91public:
92 SdfLayerHandle layer;
93 SdfPath path;
94};
95
96typedef std::set<SdfSite> SdfSiteSet;
97typedef std::vector<SdfSite> SdfSiteVector;
98
99PXR_NAMESPACE_CLOSE_SCOPE
100
101#endif // PXR_USD_SDF_SITE_H
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:291
bool IsEmpty() const noexcept
Returns true if this is the empty path (SdfPath::EmptyPath()).
Definition: path.h:415
An SdfSite is a simple representation of a location in a layer where opinions may possibly be found.
Definition: site.h:43