Function getRootElement

lib.go:653–679

getRootElement extract root element attributes by given XML decoder.

(d *xml.Decoder)

// getRootElement extract root element attributes by given XML decoder.
func getRootElement(d *xml.Decoder) []xml.Attr {
	tokenIdx := 0
	for {
		token, _ := d.Token()
		if token == nil {
			break
		}
		switch startElement := token.(type) {
		case xml.StartElement:
			tokenIdx++
			if tokenIdx == 1 {
				var ns bool
				for i := 0; i < len(startElement.Attr); i++ {
					if startElement.Attr[i].Value == NameSpaceSpreadSheet.Value &&
						startElement.Attr[i].Name == NameSpaceSpreadSheet.Name {
						ns = true
					}
				}
				if !ns {
					startElement.Attr = append(startElement.Attr, NameSpaceSpreadSheet)
				}
				return startElement.Attr
			}
		}
	}
	return nil
}

// genXMLNamespace generate serialized XML attributes with a multi namespace
// by given element attributes.