help.h

Go to the documentation of this file.

/*
 * Copyright (C) 2023 The Android Open Source Project
 *
 * 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 <string>
#include <vector>
 
#include "cuttlefish/host/commands/cvd/cli/command_request.h"
#include "cuttlefish/host/commands/cvd/cli/commands/command_handler.h"
#include "cuttlefish/result/result.h"
 
namespace cuttlefish {
 
class CvdHelpHandler : public CvdCommandHandler {
 public:
  CvdHelpHandler(
      const std::vector<std::unique_ptr<CvdCommandHandler>>& request_handlers);
 
  Result<void> Handle(const CommandRequest& request) override;
  std::vector<std::string> CmdList() const override;
 
  std::string SummaryHelp() const override;
  std::vector<HelpParagraph> Description() const override;
 
 private:
  std::string TopLevelHelp();
  Result<std::string> SubCommandHelp(const CommandRequest& request);
 
  const std::vector<std::unique_ptr<CvdCommandHandler>>& request_handlers_;
};
 
}  // namespace cuttlefish