1*103e46e4SHarish Mahendrakar // Copyright (c) 2016 The WebM project authors. All Rights Reserved. 2*103e46e4SHarish Mahendrakar // 3*103e46e4SHarish Mahendrakar // Use of this source code is governed by a BSD-style license 4*103e46e4SHarish Mahendrakar // that can be found in the LICENSE file in the root of the source 5*103e46e4SHarish Mahendrakar // tree. An additional intellectual property rights grant can be found 6*103e46e4SHarish Mahendrakar // in the file PATENTS. All contributing project authors may 7*103e46e4SHarish Mahendrakar // be found in the AUTHORS file in the root of the source tree. 8*103e46e4SHarish Mahendrakar #ifndef SRC_UNKNOWN_PARSER_H_ 9*103e46e4SHarish Mahendrakar #define SRC_UNKNOWN_PARSER_H_ 10*103e46e4SHarish Mahendrakar 11*103e46e4SHarish Mahendrakar #include <cstdint> 12*103e46e4SHarish Mahendrakar 13*103e46e4SHarish Mahendrakar #include "src/element_parser.h" 14*103e46e4SHarish Mahendrakar #include "webm/callback.h" 15*103e46e4SHarish Mahendrakar #include "webm/reader.h" 16*103e46e4SHarish Mahendrakar #include "webm/status.h" 17*103e46e4SHarish Mahendrakar 18*103e46e4SHarish Mahendrakar namespace webm { 19*103e46e4SHarish Mahendrakar 20*103e46e4SHarish Mahendrakar // Parses unknown elements by delegating to Callback::OnUnknownElement. 21*103e46e4SHarish Mahendrakar class UnknownParser : public ElementParser { 22*103e46e4SHarish Mahendrakar public: 23*103e46e4SHarish Mahendrakar Status Init(const ElementMetadata& metadata, std::uint64_t max_size) override; 24*103e46e4SHarish Mahendrakar 25*103e46e4SHarish Mahendrakar Status Feed(Callback* callback, Reader* reader, 26*103e46e4SHarish Mahendrakar std::uint64_t* num_bytes_read) override; 27*103e46e4SHarish Mahendrakar 28*103e46e4SHarish Mahendrakar private: 29*103e46e4SHarish Mahendrakar // The metadata for this element. 30*103e46e4SHarish Mahendrakar ElementMetadata metadata_; 31*103e46e4SHarish Mahendrakar 32*103e46e4SHarish Mahendrakar // The number of bytes remaining that have not been read in the element. 33*103e46e4SHarish Mahendrakar std::uint64_t bytes_remaining_; 34*103e46e4SHarish Mahendrakar }; 35*103e46e4SHarish Mahendrakar 36*103e46e4SHarish Mahendrakar } // namespace webm 37*103e46e4SHarish Mahendrakar 38*103e46e4SHarish Mahendrakar #endif // SRC_UNKNOWN_PARSER_H_ 39