meta

type Archive struct {
	XMLName    xml.Name     `xml:"archive"`
	EMLFile    string       `xml:"metadata,attr"`
	Core       *Core        `xml:"core"`
	Extensions []*Extension `xml:"extension"`
}

type Attr struct {
	Encoding           string  `xml:"encoding,attr"`
	FieldsTerminatedBy string  `xml:"fieldsTerminatedBy,attr"`
	LinesTerminatedBy  string  `xml:"linesTerminatedBy,attr"`
	FieldsEnclosedBy   string  `xml:"fieldsEnclosedBy,attr"`
	IgnoreHeaderLines  string  `xml:"ignoreHeaderLines,attr"`
	RowType            string  `xml:"rowType,attr"`
	Files              Files   `xml:"files"`
	Fields             []Field `xml:"field"`
}

type Core struct {
	ID ID `xml:"id"`
	*Attr
}

type CoreData struct {
	// Index is the field index of the Core's Term.
	Index int

	// Term is the field name of the main Core Data (Topic).
	Term string

	// TermFull is the URI of the main Core Data (Topic).
	TermFull string

	// Location is the location of the Core file.
	Location string

	// FieldsData is a map of field Terms to their FieldData.
	FieldsData map[string]FieldData

	// FieldsIdx is a map of field indices to their FieldData.
	FieldsIdx map[int]FieldData
}

type CoreID struct {
	Index string `xml:"index,attr"`
	Idx   int    `xml:"-"`
}

type ErrMetaDecoder struct {
	//  OrigErr is the original error.
	OrigErr error
}

type ErrMetaReader struct {
	// OrigErr is the original error.
	OrigErr error
}

type Extension struct {
	CoreID CoreID `xml:"coreid"`
	*Attr
}

type ExtensionData struct {
	// CoreIndex is the index of the Core main field in the Extension.
	// It allows to create a star schema of the DwCA archive.
	CoreIndex int

	// Location is the location of the Extension file.
	Location string

	// FieldsData is a map of field Terms to their FieldData.
	FieldsData map[string]FieldData

	// FieldsIdx is a map of field indices to their FieldData.
	FieldsIdx map[int]FieldData
}

type Field struct {
	// Index is the verbatim index of the field.
	Index string `xml:"index,attr"`

	// Idx is the int version of Index.
	Idx int `xml:"-"`

	// Term is the URI of the term.
	Term string `xml:"term,attr"`
}

type FieldData struct {
	// Index is the index of the field in the DwCA archive.
	Index int

	// Term is the field name of the field.
	Term string

	// TermFull is the URI of the field.
	TermFull string
}

type Files struct {
	// Location provides path to a file.
	Location string `xml:"location"`
}

type ID struct {
	Index string `xml:"index,attr"`
	Idx   int    `xml:"-"`
	Term  string `xml:"term,attr"`
}

type Meta struct {
	Archive `xml:"archive"`
}

type MetaSimple struct {
	// CoreData is a simplified version of Core data of the DwCA archive.
	CoreData

	// ExtensionsData is a simplified version of Extensions data of the DwCA.
	ExtensionsData map[string]ExtensionData
}