cfb

package module

v0.0.0-...-b8422ec Latest Latest Go to latest Published: Mar 26, 2024 License: Apache-2.0 Imports: 9 Imported by: 0

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Valid go.mod file

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Repository

github.com/chennqqi/cfb

Links

Open Source Insights

README ¶

cfb

Microsoft CFB(Compound File Binary) parser

Status

WIP

Documentation ¶

Index ¶

Variables
type DirectoryEntry
type File
- func New(r io.ReaderAt) (*File, error)
type FileHeader
- func (h *FileHeader) MiniSectorSize() uint32
- func (h *FileHeader) SectorSize() uint32
type Object
type ObjectType
- func (i ObjectType) String() string
type SectorReader
type Storage
type Stream

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	ErrInsufficientData   = errors.New("insufficient data")
	ErrWrongSector        = errors.New("wrong sector")
	ErrInvalidSectorChain = errors.New("invalid sector chain")
	ErrInvalidSeek        = errors.New("invalid seek operation")
	ErrInvalidOffset      = errors.New("invalid offset")
	ErrWrongObjectType    = errors.New("wrong object type")
	ErrInvalidObject      = errors.New("invalid object")
	ErrObjectNotFound     = errors.New("object not found")
	ErrValidation         = errors.New("validation error")
)

Functions ¶

This section is empty.

Types ¶

type DirectoryEntry ¶

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

func (*DirectoryEntry) Name ¶

func (d *DirectoryEntry) Name() string

func (*DirectoryEntry) Path ¶

func (d *DirectoryEntry) Path() string

func (*DirectoryEntry) Size ¶

func (d *DirectoryEntry) Size() uint64

func (*DirectoryEntry) StartingSector ¶

func (d *DirectoryEntry) StartingSector() uint32

func (*DirectoryEntry) Type ¶

func (d *DirectoryEntry) Type() ObjectType

type File ¶

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

func New ¶

func New(r io.ReaderAt) (*File, error)

func (*File) Get ¶

func (f *File) Get(path string) (Object, error)

func (f *File) Header() *FileHeader

func (*File) Objects ¶

func (f *File) Objects() ([]Object, error)

type FileHeader ¶

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

func (*FileHeader) MiniSectorSize ¶

func (h *FileHeader) MiniSectorSize() uint32

func (*FileHeader) SectorSize ¶

func (h *FileHeader) SectorSize() uint32

type Object ¶

type Object interface {
	Name() string
	Path() string
	Type() ObjectType
	Size() uint64
	ReadAt([]byte, int64) (int, error)
	Seek(int64, int) (int64, error)
	Read([]byte) (int, error)
}

type ObjectType ¶

type ObjectType uint8

const (
	UnknownObject     ObjectType = 0x00
	StorageObject     ObjectType = 0x01
	StreamObject      ObjectType = 0x02
	RootStorageObject ObjectType = 0x05
)

func (ObjectType) String ¶

func (i ObjectType) String() string

type SectorReader ¶

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

func (*SectorReader) Read ¶

func (sr *SectorReader) Read(b []byte) (int, error)

func (*SectorReader) ReadAt ¶

func (sr *SectorReader) ReadAt(b []byte, offset int64) (int, error)

func (*SectorReader) Seek ¶

func (sr *SectorReader) Seek(offset int64, whence int) (int64, error)

type Storage ¶

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

func (*Storage) Name ¶

func (s *Storage) Name() string

func (*Storage) Path ¶

func (s *Storage) Path() string

func (*Storage) Read ¶

func (s *Storage) Read(b []byte) (int, error)

func (*Storage) ReadAt ¶

func (s *Storage) ReadAt(b []byte, offset int64) (int, error)

func (*Storage) Seek ¶

func (s *Storage) Seek(offset int64, whence int) (int64, error)

func (*Storage) Size ¶

func (s *Storage) Size() uint64

func (*Storage) String ¶

func (s *Storage) String() string

func (*Storage) Type ¶

func (s *Storage) Type() ObjectType

type Stream ¶

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

func (*Stream) Name ¶

func (s *Stream) Name() string

func (*Stream) Path ¶

func (s *Stream) Path() string

func (*Stream) Read ¶

func (s *Stream) Read(b []byte) (int, error)

func (*Stream) ReadAt ¶

func (s *Stream) ReadAt(b []byte, offset int64) (int, error)

func (*Stream) Seek ¶

func (s *Stream) Seek(offset int64, whence int) (int64, error)

func (*Stream) Size ¶

func (s *Stream) Size() uint64

func (*Stream) String ¶

func (s *Stream) String() string

func (*Stream) Type ¶

func (s *Stream) Type() ObjectType

Source Files ¶

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