//
// Copyright 2018 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 "pxr/base/trace/category.h"

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

PXR_NAMESPACE_OPEN_SCOPE

TF_INSTANTIATE_SINGLETON(TraceCategory);

TraceCategory::TraceCategory()
{
    RegisterCategory(TraceCategory::Default, "Default");
}

TraceCategory&
TraceCategory::GetInstance() {
    return TfSingleton<TraceCategory>::GetInstance();
}

void 
TraceCategory::RegisterCategory(TraceCategoryId id, const std::string& name)
{
    _idToNames.insert(std::make_pair(id, name));
}

std::vector<std::string>
TraceCategory::GetCategories(TraceCategoryId id) const
{
    std::vector<std::string> result;
    using const_iter = 
        std::multimap<TraceCategoryId, std::string>::const_iterator;
    std::pair<const_iter, const_iter> range = _idToNames.equal_range(id);
    for (const_iter i = range.first; i != range.second; ++i) {
        result.push_back(i->second);
    }
    return result;
}

PXR_NAMESPACE_CLOSE_SCOPE