gettext

type Catalog struct {
	Header textproto.MIMEHeader
	Msgs   map[string]*Message
	Keys   []string
}

type Iterator interface {
	// Size returns the amount of messages provided by the iterator.
	Size() int
	// Next returns the next message. At the end of the iteration,
	// io.EOF is returned as the error.
	Next() (*Message, error)
}

type Message struct {
	Ctxt      []byte       // msgctxt: message context, if any
	Id        []byte       // msgid: untranslated singular string
	IdPlural  []byte       // msgid_plural: untranslated plural string
	Str       []byte       // msgstr: translated singular string
	StrPlural [][]byte     // msgstr[n]: translated plural strings
	Meta      *MessageMeta // message comments from PO file
}

type MessageMeta struct {
	TranslatorComments [][]byte
	ExtractedComments  [][]byte
	References         [][]byte
	Flags              [][]byte
	PrevCtxt           []byte
	PrevId             []byte
	PrevIdPlural       []byte
}