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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.
//
#include "usdMaya/primWriterRegistry.h"
#include "usdMaya/debugCodes.h"
#include "usdMaya/registryHelper.h"
#include "pxr/base/tf/staticTokens.h"
#include "pxr/base/tf/stl.h"
#include <boost/assign.hpp>
TF_DEFINE_PRIVATE_TOKENS(_tokens,
(UsdMaya)
(PrimWriter)
);
typedef std::map<std::string, PxrUsdMayaPrimWriterRegistry::WriterFn> _Registry;
static _Registry _reg;
/* static */
void
PxrUsdMayaPrimWriterRegistry::Register(
const std::string& mayaTypeName,
PxrUsdMayaPrimWriterRegistry::WriterFn fn)
{
TF_DEBUG(PXRUSDMAYA_REGISTRY).Msg(
"Registering UsdMayaPrimWriter for maya type %s.\n", mayaTypeName.c_str());
std::pair< _Registry::iterator, bool> insertStatus =
_reg.insert(std::make_pair(mayaTypeName, fn));
if (not insertStatus.second) {
TF_CODING_ERROR("Multiple writer for type %s", mayaTypeName.c_str());
insertStatus.first->second = fn;
}
}
/* static */
PxrUsdMayaPrimWriterRegistry::WriterFn
PxrUsdMayaPrimWriterRegistry::Find(
const std::string& mayaTypeName)
{
TfRegistryManager::GetInstance().SubscribeTo<PxrUsdMayaPrimWriterRegistry>();
// unfortunately, usdTypeName is diff from the tfTypeName which we use to
// register. do the conversion here.
WriterFn ret = NULL;
if (TfMapLookup(_reg, mayaTypeName, &ret)) {
return ret;
}
static std::vector<TfToken> SCOPE = boost::assign::list_of
(_tokens->UsdMaya)(_tokens->PrimWriter);
PxrUsdMaya_RegistryHelper::FindAndLoadMayaPlug(SCOPE, mayaTypeName);
// ideally something just registered itself. if not, we at least put it in
// the registry in case we encounter it again.
if (not TfMapLookup(_reg, mayaTypeName, &ret)) {
TF_DEBUG(PXRUSDMAYA_REGISTRY).Msg(
"No usdMaya writer plugin for maya type %s. No maya plugin found.\n",
mayaTypeName.c_str());
_reg[mayaTypeName] = NULL;
}
return ret;
}
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