Further work on Inode

internal/inode/inode.go

@@ -1,6 +1,12 @@
 package inode
 
-type CommonHeader struct {
+import (
+	"encoding/binary"
+	"io"
+)
+
+//InodeCommon is the comon header for all inodes
+type InodeCommon struct {
 	InodeType    uint16
 	Permissions  uint16
 	UID          uint16
@@ -9,6 +15,7 @@ type CommonHeader struct {
 	Number       uint32
 }
 
+//BasicDirectory is self explainatory
 type BasicDirectory struct {
 	DirectoryIndex    uint32
 	HardLinks         uint32
@@ -17,6 +24,7 @@ type BasicDirectory struct {
 	ParentInodeNumber uint32
 }
 
+//ExtendedDirectoryInit is the information that can be directoy decoded
 type ExtendedDirectoryInit struct {
 	HardLinks         uint32
 	DirectorySize     uint32
@@ -27,19 +35,31 @@ type ExtendedDirectoryInit struct {
 	XattrIndex        uint32
 }
 
+//ExtendedDirectory is a directory with extra info
 type ExtendedDirectory struct {
-	ExtendedDirectoryInit
-	//TODO indexes []DirectoryIndex
+	Init ExtendedDirectoryInit
+	//TODO: indexes []DirectoryIndex
 }
 
+//NewExtendedDirectory creates a new ExtendedDirectory
+func NewExtendedDirectory(rdr *io.Reader) (*ExtendedDirectory, error) {
+	var inode ExtendedDirectory
+	err := binary.Read(*rdr, binary.LittleEndian, inode.Init)
+	//TODO: Read directory indexes
+	return &inode, err
+}
+
+//BasicFile is self explainatory
 type BasicFile struct {
 	BlockStart     uint32
 	FragmentIndex  uint32
 	FragmentOffset uint32
 	Size           uint32
 	BlockSizes     []uint32
+	//TODO: possibly fix BlockSizes
 }
 
+//ExtendedFile is a file with additional information
 type ExtendedFile struct {
 	BlockStart     uint32
 	Size           uint32
@@ -49,6 +69,7 @@ type ExtendedFile struct {
 	FragmentOffset uint32
 	XattrIndex     uint32
 	BlockSizes     []uint32
+	//TODO: possibly fix BlockSizes
 }
 
 type BasicSymlinkInit struct {
@@ -57,8 +78,19 @@ type BasicSymlinkInit struct {
 }
 
 type BasicSymlink struct {
-	BasicSymlinkInit
-	targetPath []byte //len is TargetPathSize
+	Init       BasicSymlinkInit
+	targetPath []uint8 //len is TargetPathSize
+}
+
+func NewBasicSymlink(rdr *io.Reader) (*BasicSymlink, error) {
+	var inode BasicSymlink
+	err := binary.Read(*rdr, binary.LittleEndian, inode.Init)
+	if err != nil {
+		return nil, err
+	}
+	inode.targetPath = make([]uint8, inode.Init.TargetPathSize)
+	err = binary.Read(*rdr, binary.LittleEndian, inode.targetPath)
+	return &inode, err
 }
 
 type ExtendedSymlinkInit struct {
@@ -67,10 +99,22 @@ type ExtendedSymlinkInit struct {
 }
 
 type ExtendedSymlink struct {
-	targetPath []byte
+	Init       ExtendedSymlinkInit
+	TargetPath []uint8
 	XattrIndex uint32
 }
 
+func NewExtendedSymlink(rdr *io.Reader) (*ExtendedSymlink, error) {
+	var inode ExtendedSymlink
+	err := binary.Read(*rdr, binary.LittleEndian, inode.Init)
+	if err != nil {
+		return &inode, err
+	}
+	inode.TargetPath = make([]uint8, inode.Init.TargetPathSize)
+	err = binary.Read(*rdr, binary.LittleEndian, &inode.XattrIndex)
+	return &inode, err
+}
+
 type BasicDevice struct {
 	HardLinks uint32
 	Device    uint32