importer

type CSVImporter struct {
	*book.Book
}

type ExcelImporter struct {
	*book.Book
}

type Importer interface {
	// Filename returns the parsed filename of the original inputed filename.
	// 	- Excel: same as the inputed filename.
	// 	- CSV: recognizes pattern: "<BookName>#<SheetName>.csv", and returns Glob name "<BookName>#*.csv".
	// 	- XML: same as the inputed filename.
	Filename() string
	// Bookname returns the book name after parsing the original inputed filename.
	// 	- Excel: the base filename without file extension.
	// 	- CSV: recognizes pattern: "<BookName>#<SheetName>.csv", and returns "<BookName>".
	// 	- XML: the base filename without file extension.
	BookName() string
	// Format returns workboot format.
	Format() format.Format
	// Metabook returns the metadata of the book.
	Metabook() *internalpb.Metabook
	// GetSheets returns all sheets in order of the book.
	GetSheets() []*book.Sheet
	// GetSheet returns a Sheet of the specified sheet name.
	GetSheet(name string) *book.Sheet
}

type ImporterInfo struct {
	Importer
	SpecifiedSheetName string // Empty means no sheet specified.
}

type ImporterMode int

type Option func(*Options)

type Options struct {
	Sheets          []string         // sheet names to import
	Parser          book.SheetParser // parser to parse the worksheet
	Mode            ImporterMode     // importer mode
	Cloned          bool             // this book cloned (same schema different data) from the main book
	PrimaryBookName string           // if cloned, this is primary book name
}

type XMLImporter struct {
	*book.Book
}

type YAMLImporter struct {
	*book.Book
}