fileIO.cpp

//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
///
/// \file sdf/fileIO.cpp

#include "pxr/pxr.h"

#include "pxr/usd/sdf/fileIO.h"

#include "pxr/usd/sdf/attributeSpec.h"
#include "pxr/usd/sdf/fileIO_Common.h"
#include "pxr/usd/sdf/primSpec.h"
#include "pxr/usd/sdf/relationshipSpec.h"
#include "pxr/usd/sdf/variantSetSpec.h"
#include "pxr/usd/sdf/variantSpec.h"

#include "pxr/base/tf/stringUtils.h"

#include <ostream>

PXR_NAMESPACE_OPEN_SCOPE

Sdf_StreamWritableAsset::~Sdf_StreamWritableAsset() = default;

bool
Sdf_WriteToStream(const SdfSpec &baseSpec, std::ostream& o, size_t indent)
{
    Sdf_TextOutput out(o);

    const SdfSpecType type = baseSpec.GetSpecType();

    switch (type) {
    case SdfSpecTypePrim:
        {
            SdfPrimSpec spec =
                Sdf_CastAccess::CastSpec<SdfPrimSpec, SdfSpec>(baseSpec);
            return Sdf_WritePrim(spec, out, indent);
        }
    case SdfSpecTypeAttribute:
        {
            SdfAttributeSpec spec =
                Sdf_CastAccess::CastSpec<SdfAttributeSpec, SdfSpec>(baseSpec);
            return Sdf_WriteAttribute(spec, out, indent);
        }
    case SdfSpecTypeRelationship:
        {
            SdfRelationshipSpec spec =
                Sdf_CastAccess::CastSpec<SdfRelationshipSpec, SdfSpec>(baseSpec);
            return Sdf_WriteRelationship(spec, out, indent);
        }
    case SdfSpecTypeVariantSet:
        {
            SdfVariantSetSpec spec =
                Sdf_CastAccess::CastSpec<SdfVariantSetSpec, SdfSpec>(baseSpec);
            return Sdf_WriteVariantSet(spec, out, indent);
        }
    case SdfSpecTypeVariant:
        {
            SdfVariantSpec spec =
                Sdf_CastAccess::CastSpec<SdfVariantSpec, SdfSpec>(baseSpec);
            return Sdf_WriteVariant(spec, out, indent);
        }
    default:
        break;
    }

    TF_CODING_ERROR("Cannot write spec of type %s to stream", 
                    TfStringify(type).c_str());
    return false;
}

PXR_NAMESPACE_CLOSE_SCOPE