72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
#ifndef TAG_PARSER_MATROSKASEEKINFO_H
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#define TAG_PARSER_MATROSKASEEKINFO_H
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#include "./ebmlelement.h"
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#include <memory>
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#include <utility>
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#include <vector>
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namespace TagParser {
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class TAG_PARSER_EXPORT MatroskaSeekInfo {
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public:
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MatroskaSeekInfo();
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const std::vector<EbmlElement *> &seekHeadElements() const;
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const std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &info() const;
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std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &info();
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void shift(std::uint64_t start, std::int64_t amount);
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void parse(EbmlElement *seekHeadElements, Diagnostics &diag, std::size_t maxIndirection = 1);
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void make(std::ostream &stream, Diagnostics &diag);
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std::uint64_t minSize() const;
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std::uint64_t maxSize() const;
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std::uint64_t actualSize() const;
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bool push(unsigned int index, EbmlElement::IdentifierType id, std::uint64_t offset);
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void clear();
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private:
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std::vector<EbmlElement *> m_seekHeadElements;
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std::vector<std::unique_ptr<EbmlElement>> m_additionalSeekHeadElements;
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std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> m_info;
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};
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/*!
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* \brief Constructs a new MatroskaSeekInfo.
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*/
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inline MatroskaSeekInfo::MatroskaSeekInfo()
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{
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}
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/*!
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* \brief Returns a pointer to the seek head elements the seek information is composed of.
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* \remarks This list is initially empty. When calling parse() it is at least populated with the specified seek head element (ownership remains
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* by the caller). In case that seek table references another seek table those elements are also returned (the MatroskaSeekInfo has ownership).
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*/
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inline const std::vector<EbmlElement *> &MatroskaSeekInfo::seekHeadElements() const
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{
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return m_seekHeadElements;
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}
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/*!
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* \brief Returns the seek information gathered when the parse() method was called.
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* \returns Returns the seek information as pairs of element IDs and the associated offsets (relative to the beginning of the file).
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*/
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inline const std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &MatroskaSeekInfo::info() const
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{
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return m_info;
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}
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/*!
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* \brief Returns a mutable version of the seek information gathered when the parse() method was called.
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* \returns Returns the seek information as pairs of element IDs and the associated offsets (relative to the beginning of the file).
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*/
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inline std::vector<std::pair<EbmlElement::IdentifierType, std::uint64_t>> &MatroskaSeekInfo::info()
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{
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return m_info;
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}
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} // namespace TagParser
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#endif // TAG_PARSER_MATROSKASEEKINFO_H
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