func NewPbo(path string) (*Pbo, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}

	pbo := Pbo{
		file: file,
	}

	// Create a new buffered reader
	reader := bufio.NewReader(file)

	for {
		entry := readEntry(reader)
		if entry.Flag == ProductEntry {
			extension := HeaderExtension{
				FileEntry: entry,
			}

			extension.ReadExtendedFields(reader)
			pbo.HeaderExtension = &extension

			pbo.dataOffset += int64(extension.EntrySize())

			continue
		}

		pbo.dataOffset += int64(entry.EntrySize())

		if entry.IsNull() {
			break
		}

		entry.pbo = &pbo
		pbo.Entries = append(pbo.Entries, entry)
	}

	// Loop through all of our entries and set their data offset
	baseOffset := pbo.dataOffset
	for i := range pbo.Entries {
		entry := &pbo.Entries[i]
		// If the block is compressed, use the compressed size. If it's not, use the actual size
		entry.dataOffset = baseOffset
		baseOffset += int64(entry.DataBlockSize)
	}

	return &pbo, nil
}
func NewPbo(path string) (*Pbo, error) {
	file, err := os.Open(path)
	if err != nil {
		return nil, err
	}

	pbo := Pbo{
		file: file,
	}

	
	reader := bufio.NewReader(file)

	for {
		entry := readEntry(reader)
		if entry.Flag == ProductEntry {
			extension := HeaderExtension{
				FileEntry: entry,
			}

			extension.ReadExtendedFields(reader)
			pbo.HeaderExtension = &extension

			pbo.dataOffset += int64(extension.EntrySize())

			continue
		}

		pbo.dataOffset += int64(entry.EntrySize())

		if entry.IsNull() {
			break
		}

		entry.pbo = &pbo
		pbo.Entries = append(pbo.Entries, entry)
	}

	
	baseOffset := pbo.dataOffset
	for i := range pbo.Entries {
		entry := &pbo.Entries[i]
		
		entry.dataOffset = baseOffset
		baseOffset += int64(entry.DataBlockSize)
	}

	return &pbo, nil
}
func NewPbo ( path string ) ( * Pbo , error ) { file , err := os . Open ( path ) if err != nil { return nil , err } pbo := Pbo { file : file , } // Create a new buffered reader reader := bufio . NewReader ( file ) for { entry := readEntry ( reader ) if entry . Flag == ProductEntry { extension := HeaderExtension { FileEntry : entry , } extension . ReadExtendedFields ( reader ) pbo . HeaderExtension = & extension pbo . dataOffset += int64 ( extension . EntrySize ( ) ) continue } pbo . dataOffset += int64 ( entry . EntrySize ( ) ) if entry . IsNull ( ) { break } entry . pbo = & pbo pbo . Entries = append ( pbo . Entries , entry ) } // Loop through all of our entries and set their data offset baseOffset := pbo . dataOffset for i := range pbo . Entries { entry := & pbo . Entries [ i ] // If the block is compressed, use the compressed size. If it's not, use the actual size entry . dataOffset = baseOffset baseOffset += int64 ( entry . DataBlockSize ) } return & pbo , nil }
// Reads the file given by path and returns
// a Pbo pointer and err != nil if no errors occurred
Reads the file given by path and returns a Pbo pointer and err ! = nil if no errors occurred