Function build

build.go:701–718

build builds a specified XPath expressions expr.

(expr string, namespaces map[string]string)

// build builds a specified XPath expressions expr.
func build(expr string, namespaces map[string]string) (q query, err error) {
	defer func() {
		if e := recover(); e != nil {
			switch x := e.(type) {
			case string:
				err = errors.New(x)
			case error:
				err = x
			default:
				err = errors.New("unknown panic")
			}
		}
	}()
	root := parse(expr, namespaces)
	b := &builder{}
	props := builderProps.None
	return b.processNode(root, flagsEnum.None, &props)
}