dynamicFileFormatInterface.h

//
// Copyright 2019 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_PCP_DYNAMIC_FILE_FORMAT_INTERFACE_H
#define PXR_USD_PCP_DYNAMIC_FILE_FORMAT_INTERFACE_H
 
#include "pxr/pxr.h"
#include "pxr/usd/pcp/api.h"
#include "pxr/usd/sdf/fileFormat.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class PcpDynamicFileFormatContext;
class VtValue;
 
class PcpDynamicFileFormatInterface
{
public:
    PCP_API
    virtual ~PcpDynamicFileFormatInterface();
 
    PCP_API
    virtual void ComposeFieldsForFileFormatArguments(
        const std::string &assetPath, 
        const PcpDynamicFileFormatContext &context,
        SdfFileFormat::FileFormatArguments *args,
        VtValue *dependencyContextData) const = 0;
 
    PCP_API
    virtual bool CanFieldChangeAffectFileFormatArguments(
        const TfToken &field,
        const VtValue &oldValue,
        const VtValue &newValue,
        const VtValue &dependencyContextData) const;
 
    PCP_API
    virtual bool CanAttributeDefaultValueChangeAffectFileFormatArguments(
        const TfToken &attributeName,
        const VtValue &oldValue,
        const VtValue &newValue,
        const VtValue &dependencyContextData) const;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_PCP_DYNAMIC_FILE_FORMAT_INTERFACE_H