PlaylistParser.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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.
 */

#ifndef ALEXA_CLIENT_SDK_PLAYLISTPARSER_INCLUDE_PLAYLISTPARSER_PLAYLISTPARSER_H_
#define ALEXA_CLIENT_SDK_PLAYLISTPARSER_INCLUDE_PLAYLISTPARSER_PLAYLISTPARSER_H_

#include <deque>
#include <memory>
#include <unordered_map>

#include <AVSCommon/AVS/Attachment/AttachmentReader.h>
#include <AVSCommon/SDKInterfaces/HTTPContentFetcherInterfaceFactoryInterface.h>
#include <AVSCommon/Utils/PlaylistParser/PlaylistParserInterface.h>
#include <AVSCommon/Utils/RequiresShutdown.h>
#include <AVSCommon/Utils/Threading/Executor.h>

namespace alexaClientSDK {
namespace playlistParser {

class PlaylistParser
        : public avsCommon::utils::playlistParser::PlaylistParserInterface
        , public avsCommon::utils::RequiresShutdown {
public:
    static std::unique_ptr<PlaylistParser> create(
        std::shared_ptr<avsCommon::sdkInterfaces::HTTPContentFetcherInterfaceFactoryInterface> contentFetcherFactory);

    int parsePlaylist(
        std::string url,
        std::shared_ptr<avsCommon::utils::playlistParser::PlaylistParserObserverInterface> observer,
        std::vector<PlaylistType> playlistTypesToNotBeParsed = std::vector<PlaylistType>()) override;

    static const int START_FAILURE = 0;

    void doShutdown() override;

private:
    PlaylistParser(
        std::shared_ptr<avsCommon::sdkInterfaces::HTTPContentFetcherInterfaceFactoryInterface> contentFetcherFactory);

    void doDepthFirstSearch(
        int id,
        std::shared_ptr<avsCommon::utils::playlistParser::PlaylistParserObserverInterface> observer,
        const std::string& rootUrl,
        std::vector<PlaylistType> playlistTypesToNotBeParsed);

    bool getPlaylistContent(
        std::unique_ptr<avsCommon::sdkInterfaces::HTTPContentFetcherInterface> contentFetcher,
        std::string* content);

    std::shared_ptr<avsCommon::sdkInterfaces::HTTPContentFetcherInterfaceFactoryInterface> m_contentFetcherFactory;

    std::atomic<bool> m_shuttingDown;

    avsCommon::utils::threading::Executor m_executor;
};

}  // namespace playlistParser
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_PLAYLISTPARSER_INCLUDE_PLAYLISTPARSER_PLAYLISTPARSER_H_