assetPath.h

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//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//
#ifndef PXR_USD_SDF_ASSET_PATH_H
#define PXR_USD_SDF_ASSET_PATH_H
 
 
#include "pxr/pxr.h"
#include "pxr/usd/sdf/api.h"
#include "pxr/base/tf/hash.h"
 
#include <iosfwd>
#include <string>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class SdfAssetPath
{
public:
 
    SDF_API SdfAssetPath();
 
    SDF_API explicit SdfAssetPath(const std::string &path);
 
    SDF_API
    SdfAssetPath(const std::string &path, const std::string &resolvedPath);
 
 
 
    bool operator==(const SdfAssetPath &rhs) const {
        return _assetPath == rhs._assetPath &&
               _resolvedPath == rhs._resolvedPath;
    }
 
    bool operator!=(const SdfAssetPath& rhs) const {
        return !(*this == rhs);
    }
 
    SDF_API bool operator<(const SdfAssetPath &rhs) const;
 
    bool operator<=(const SdfAssetPath& rhs) const {
        return !(rhs < *this);
    }
 
    bool operator>(const SdfAssetPath& rhs) const {
        return rhs < *this;
    }
 
    bool operator>=(const SdfAssetPath& rhs) const {
        return !(*this < rhs);
    }
 
    size_t GetHash() const {
        return TfHash::Combine(_assetPath, _resolvedPath);
    }
 
    struct Hash
    {
        size_t operator()(const SdfAssetPath &ap) const {
            return ap.GetHash();
        }
    };
 
    friend size_t hash_value(const SdfAssetPath &ap) { return ap.GetHash(); }
 
 
 
    const std::string &GetAssetPath() const & {
        return _assetPath;
    }
 
    std::string GetAssetPath() const && {
        return std::move(_assetPath);
    }
 
    const std::string &GetResolvedPath() const & {
        return _resolvedPath;
    }
 
    std::string GetResolvedPath() const && {
        return std::move(_resolvedPath);
    }
 
 
private:
    friend inline void swap(SdfAssetPath &lhs, SdfAssetPath &rhs) {
        lhs._assetPath.swap(rhs._assetPath);
        lhs._resolvedPath.swap(rhs._resolvedPath);
    }
 
    std::string _assetPath;
    std::string _resolvedPath;
};
 
 
SDF_API std::ostream& operator<<(std::ostream& out, const SdfAssetPath& ap);
 
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_SDF_ASSET_PATH_H