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49 lines
1.9 KiB
49 lines
1.9 KiB
// Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree. An additional intellectual property rights grant can be found
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// in the file PATENTS. All contributing project authors may
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// be found in the AUTHORS file in the root of the source tree.
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#ifndef SRC_EBML_PARSER_H_
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#define SRC_EBML_PARSER_H_
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#include "src/byte_parser.h"
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#include "src/int_parser.h"
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#include "src/master_value_parser.h"
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#include "webm/dom_types.h"
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#include "webm/id.h"
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namespace webm {
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// Spec references:
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// http://matroska.org/technical/specs/index.html#EBML
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// https://github.com/Matroska-Org/ebml-specification/blob/master/specification.markdown#ebml-header-elements
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// http://www.webmproject.org/docs/container/#EBML
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class EbmlParser : public MasterValueParser<Ebml> {
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public:
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EbmlParser()
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: MasterValueParser<Ebml>(
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MakeChild<UnsignedIntParser>(Id::kEbmlVersion, &Ebml::ebml_version),
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MakeChild<UnsignedIntParser>(Id::kEbmlReadVersion,
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&Ebml::ebml_read_version),
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MakeChild<UnsignedIntParser>(Id::kEbmlMaxIdLength,
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&Ebml::ebml_max_id_length),
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MakeChild<UnsignedIntParser>(Id::kEbmlMaxSizeLength,
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&Ebml::ebml_max_size_length),
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MakeChild<StringParser>(Id::kDocType, &Ebml::doc_type),
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MakeChild<UnsignedIntParser>(Id::kDocTypeVersion,
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&Ebml::doc_type_version),
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MakeChild<UnsignedIntParser>(Id::kDocTypeReadVersion,
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&Ebml::doc_type_read_version)) {}
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protected:
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Status OnParseCompleted(Callback* callback) override {
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return callback->OnEbml(metadata(Id::kEbml), value());
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}
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};
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} // namespace webm
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#endif // SRC_EBML_PARSER_H_
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