FileDelegator.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * 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.
 */
 
#pragma once
 
#include <memory>
 
#include <vrs/FileSpec.h>
#include <vrs/os/CompilerAttributes.h>
 
namespace vrs {
 
using std::unique_ptr;
 
class FileHandler;
 
class FileDelegator {
 public:
  FileDelegator() = default;
 
  virtual ~FileDelegator() = default;
 
  virtual int delegateOpen(const FileSpec& fileSpec, unique_ptr<FileHandler>& outNewDelegate) = 0;
 
  virtual int parseUri(FileSpec& inOutFileSpec, MAYBE_UNUSED size_t colonIndex) const {
    return inOutFileSpec.parseUri();
  }
};
 
} // namespace vrs