sqlite

type BTreePage struct {
	PageNumber         uint32
	Raw                []byte
	UsablePageBytes    uint16
	PageHeader         PageHeader
	CellPointerArray   CellPointerArray
	TableLeafCells     []TableLeafCell
	TableInteriorCells []TableInteriorCell
	IndexLeafCells     []IndexLeafCell
	IndexInteriorCells []IndexInteriorCell
	Freeblocks         []Freeblock
	UnallocatedRegions []UnallocatedRegion
}

type CellPointerArray struct {
	Meta     Meta
	Pointers []Uint16Field
}

type DBHeader struct {
	HeaderString              string
	PageSize                  uint32
	WriteVersion              uint8
	ReadVersion               uint8
	ReservedBytesPerPage      uint8
	MaxEmbeddedPayloadFrac    uint8
	MinEmbeddedPayloadFrac    uint8
	LeafPayloadFrac           uint8
	FileChangeCounter         uint32
	DatabasePageCount         uint32
	FirstFreelistTrunkPage    uint32
	FreelistPageCount         uint32
	SchemaCookie              uint32
	SchemaFormat              uint32
	SuggestedCacheSize        int32
	AutoVacuumLargestRootPage uint32
	TextEncoding              uint32
	UserVersion               uint32
	IncrementalVacuum         uint32
	ApplicationID             uint32
	ReservedForExpansion      [20]byte
	VersionValidFor           uint32
	SQLiteVersionNumber       uint32
}

type Freeblock struct {
	Meta          Meta
	NextFreeblock Uint16Field
}

type IndexInteriorCell struct {
	Meta          Meta
	LeftChildPage Uint32Field
	PayloadSize   VarintField
	ParsedPayload *RecordPayload
}

type IndexLeafCell struct {
	Meta          Meta
	PayloadSize   VarintField
	ParsedPayload *RecordPayload
}

type Inspector struct {
	// contains filtered or unexported fields
}

type Meta struct {
	StartOffset int
	Size        int
}

type MetadataInspection struct {
	Path          string
	DBHeader      DBHeader
	SchemaRecords []Row
}

type PageHeader struct {
	Meta                  Meta
	PageKind              PageKindField
	FirstFreeblock        Uint16Field
	CellCount             Uint16Field
	CellContentAreaOffset Uint16Field
	FragmentedFreeBytes   Uint8Field
	RightMostPointer      *Uint32Field
}

type PageIndex struct {
	Walks map[uint32]PageWalk // keyed by PageWalk.Root
}

type PageInspection struct {
	PageNumber uint32
	DBHeader   *DBHeader
	BTreePage  BTreePage
}

type PageKindField struct {
	Meta  Meta
	Value PageKindType
}

type PageKindType int8

type PageWalk struct {
	Root    uint32        // the root page the walk started from
	Pages   []uint32      // sorted, unique; includes Root; only pages actually reached
	Skipped []SkippedPage // child pages that could not be parsed (degraded walk)
}

type RecordColumn struct {
	Meta       Meta
	SerialType uint64
	Value      any
}

type RecordPayload struct {
	Meta              Meta
	HeaderSize        VarintField
	SerialTypes       []VarintField
	Columns           []RecordColumn
	OverflowFirstPage *Uint32Field
}

type Row map[string]any

type SchemaDefinition struct {
	Fields []SchemaField
}

type SchemaField struct {
	Name         string
	DeclaredType string
	Expression   string
}

type SkippedPage struct {
	Page   uint32 // the unreadable child page
	Parent uint32 // the interior page that pointed to it
	Reason string // human-readable parse error
}

type TableInteriorCell struct {
	Meta          Meta
	LeftChildPage Uint32Field
	RowID         VarintField
}

type TableLeafCell struct {
	Meta          Meta
	PayloadSize   VarintField
	RowID         VarintField
	ParsedPayload *RecordPayload
}

type Uint8Field struct {
	Meta  Meta
	Value uint8
}

type Uint16Field struct {
	Meta  Meta
	Value uint16
}

type Uint32Field struct {
	Meta  Meta
	Value uint32
}

type Uint64Field struct {
	Meta  Meta
	Value uint64
}

type UnallocatedRegion struct {
	Meta Meta
}

type VarintField struct {
	Meta  Meta
	Value uint64
}