1 // Copyright (c) 2016 The WebM project authors. All Rights Reserved. 2 // 3 // Use of this source code is governed by a BSD-style license 4 // that can be found in the LICENSE file in the root of the source 5 // tree. An additional intellectual property rights grant can be found 6 // in the file PATENTS. All contributing project authors may 7 // be found in the AUTHORS file in the root of the source tree. 8 #ifndef SRC_UNKNOWN_PARSER_H_ 9 #define SRC_UNKNOWN_PARSER_H_ 10 11 #include <cstdint> 12 13 #include "src/element_parser.h" 14 #include "webm/callback.h" 15 #include "webm/reader.h" 16 #include "webm/status.h" 17 18 namespace webm { 19 20 // Parses unknown elements by delegating to Callback::OnUnknownElement. 21 class UnknownParser : public ElementParser { 22 public: 23 Status Init(const ElementMetadata& metadata, std::uint64_t max_size) override; 24 25 Status Feed(Callback* callback, Reader* reader, 26 std::uint64_t* num_bytes_read) override; 27 28 private: 29 // The metadata for this element. 30 ElementMetadata metadata_; 31 32 // The number of bytes remaining that have not been read in the element. 33 std::uint64_t bytes_remaining_; 34 }; 35 36 } // namespace webm 37 38 #endif // SRC_UNKNOWN_PARSER_H_ 39