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#pragma once
#include "foundation/types.h"
#include "header.h"
namespace ID3v2
{
class FrameHeader
{
protected:
FrameHeader(const ID3v2::Header &_header);
const ID3v2::Header &tagHeader;
};
}
namespace ID3v2_2
{
struct FrameHeaderData
{
int8_t id[4]; // ID3v2.2 uses 3 bytes but we add a NULL for the last to make it easier
uint8_t size[3]; // 24 bit size field
};
class FrameHeader : public ID3v2::FrameHeader
{
public:
FrameHeader(const ID3v2_2::FrameHeader &frame_header, const ID3v2::Header &_header);
FrameHeader(const ID3v2::Header &_header, const int8_t *id, int flags);
FrameHeader(const ID3v2::Header &_header, const void *data);
bool IsValid() const;
bool Unsynchronised() const;
uint32_t FrameSize() const;
const int8_t *GetIdentifier() const;
void SetSize(uint32_t data_size);
int SerializedSize(uint32_t *written) const;
int Serialize(void *data) const;
enum
{
SIZE=6,
};
private:
FrameHeaderData frameHeaderData;
};
}
namespace ID3v2_3
{
class FrameHeaderBase : public ID3v2::FrameHeader
{
public:
int SerializedSize(uint32_t *written) const;
int Serialize(void *data, uint32_t *written) const;
bool IsValid() const;
const int8_t *GetIdentifier() const;
enum
{
SIZE=10,
};
protected:
FrameHeaderBase(const ID3v2_3::FrameHeaderBase &frame_header_base, const ID3v2::Header &_header);
FrameHeaderBase(const ID3v2::Header &_header);
FrameHeaderBase(const ID3v2::Header &_header, const int8_t *id, int flags);
int8_t id[4];
uint32_t size;
uint8_t flags[2];
};
class FrameHeader : public ID3v2_3::FrameHeaderBase
{
public:
FrameHeader(const ID3v2_3::FrameHeader &frame_header, const ID3v2::Header &_header);
FrameHeader(const ID3v2::Header &_header, const int8_t *id, int flags);
FrameHeader(const ID3v2::Header &_header, const void *data);
uint32_t FrameSize() const;
bool Encrypted() const;
bool Compressed() const;
bool Grouped() const;
bool ReadOnly() const;
bool Unsynchronised() const;
bool TagAlterPreservation() const;
bool FileAlterPreservation() const;
void ClearCompressed();
/* sets a new size, given a data size. this function might add additional size (grouped, compressed, etc) */
void SetSize(uint32_t data_size);
private:
};
}
namespace ID3v2_4
{
class FrameHeader : public ID3v2_3::FrameHeaderBase
{
public:
FrameHeader(const ID3v2_4::FrameHeader &frame_header, const ID3v2::Header &_header);
FrameHeader(const ID3v2::Header &_header, const int8_t *id, int flags);
FrameHeader(const ID3v2::Header &_header, const void *data);
/* size to read from disk */
uint32_t FrameSize() const;
bool Encrypted() const;
bool Compressed() const;
bool Grouped() const;
bool ReadOnly() const;
bool Unsynchronised() const;
bool FrameUnsynchronised() const;
bool DataLengthIndicated() const;
bool TagAlterPreservation() const;
bool FileAlterPreservation() const;
void ClearUnsynchronized();
void ClearCompressed();
/* sets a new size, given a data size. this function might add additional size (grouped, compressed, etc) */
void SetSize(uint32_t data_size);
int SerializedSize(uint32_t *written) const;
int Serialize(void *data, uint32_t *written) const;
};
}
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