text_readers.h

// Copyright 2017 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
 
#ifndef PACKAGER_MEDIA_FORMATS_WEBVTT_TEXT_READERS_H_
#define PACKAGER_MEDIA_FORMATS_WEBVTT_TEXT_READERS_H_
 
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
 
#include <packager/media/base/byte_queue.h>
#include <packager/status.h>
 
namespace shaka {
class File;
 
namespace media {
 
class LineReader {
 public:
  LineReader();
 
  void PushData(const uint8_t* data, size_t data_size);
  bool Next(std::string* out);
  void Flush();
 
 private:
  LineReader(const LineReader&) = delete;
  LineReader operator=(const LineReader&) = delete;
 
  ByteQueue buffer_;
  bool should_flush_;
};
 
class BlockReader {
 public:
  BlockReader();
 
  void PushData(const uint8_t* data, size_t data_size);
  bool Next(std::vector<std::string>* out);
  void Flush();
 
 private:
  BlockReader(const BlockReader&) = delete;
  BlockReader operator=(const BlockReader&) = delete;
 
  LineReader source_;
  std::vector<std::string> temp_;
  bool should_flush_;
};
 
}  // namespace media
}  // namespace shaka
 
#endif  // MEDIA_FORMATS_WEBVTT_TEXT_READERS_H_