//
// Copyright 2022 DMetaSoul
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#include <metaspore/filesys.h>
#include <queue>

namespace metaspore {

void FileSystem::ListDirectoryRecursive(const URI &path, std::vector<FileInfo> *out_list) {
    std::queue<URI> queue;
    queue.push(path);
    while (!queue.empty()) {
        std::vector<FileInfo> dfiles;
        ListDirectory(queue.front(), &dfiles);
        queue.pop();
        for (auto dfile : dfiles) {
            if (dfile.type == kDirectory) {
                queue.push(dfile.path);
            } else {
                out_list->push_back(dfile);
            }
        }
    }
}

} // namespace metaspore
