Method UnmarshalCaddyfile

modules/caddyhttp/celmatcher.go:227–255

UnmarshalCaddyfile implements caddyfile.Unmarshaler.

(d *caddyfile.Dispenser)

// UnmarshalCaddyfile implements caddyfile.Unmarshaler.
func (m *MatchExpression) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
	d.Next() // consume matcher name

	// if there's multiple args, then we need to keep the raw
	// tokens because the user may have used quotes within their
	// CEL expression (e.g. strings) and we should retain that
	if d.CountRemainingArgs() > 1 {
		m.Expr = strings.Join(d.RemainingArgsRaw(), " ")
		return nil
	}

	// there should at least be one arg
	if !d.NextArg() {
		return d.ArgErr()
	}

	// if there's only one token, then we can safely grab the
	// cleaned token (no quotes) and use that as the expression
	// because there's no valid CEL expression that is only a
	// quoted string; commonly quotes are used in Caddyfile to
	// define the expression
	m.Expr = d.Val()

	// use the named matcher's name, to fill regexp
	// matchers names by default
	m.Name = d.GetContextString(caddyfile.MatcherNameCtxKey)

	return nil
}

// caddyPlaceholderFunc implements the custom CEL function that accesses the
// Replacer on a request and gets values from it.