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package hotline
import (
"bytes"
"encoding/binary"
)
type FileNameWithInfo struct {
fileNameWithInfoHeader
name []byte // File name
}
// fileNameWithInfoHeader contains the fixed length fields of FileNameWithInfo
type fileNameWithInfoHeader struct {
Type [4]byte // file type code
Creator [4]byte // File creator code
FileSize [4]byte // File Size in bytes
RSVD [4]byte
NameScript [2]byte // ??
NameSize [2]byte // Length of name field
}
func (f *fileNameWithInfoHeader) nameLen() int {
return int(binary.BigEndian.Uint16(f.NameSize[:]))
}
func (f *FileNameWithInfo) MarshalBinary() (data []byte, err error) {
var buf bytes.Buffer
err = binary.Write(&buf, binary.LittleEndian, f.fileNameWithInfoHeader)
if err != nil {
return data, err
}
_, err = buf.Write(f.name)
if err != nil {
return data, err
}
return buf.Bytes(), err
}
func (f *FileNameWithInfo) UnmarshalBinary(data []byte) error {
err := binary.Read(bytes.NewReader(data), binary.BigEndian, &f.fileNameWithInfoHeader)
if err != nil {
return err
}
headerLen := binary.Size(f.fileNameWithInfoHeader)
f.name = data[headerLen : headerLen+f.nameLen()]
return err
}
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