Function isCELStringLiteral

modules/caddyhttp/fileserver/matcher.go:646–658

isCELStringLiteral returns whether the expression is a CEL string literal.

(e ast.Expr)

// isCELStringLiteral returns whether the expression is a CEL string literal.
func isCELStringLiteral(e ast.Expr) bool {
	switch e.Kind() {
	case ast.LiteralKind:
		constant := e.AsLiteral()
		switch constant.Type() {
		case types.StringType:
			return true
		}
	case ast.UnspecifiedExprKind, ast.CallKind, ast.ComprehensionKind, ast.IdentKind, ast.ListKind, ast.MapKind, ast.SelectKind, ast.StructKind:
		// appeasing the linter :)
	}
	return false
}

// isCELCaddyPlaceholderCall returns whether the expression is a caddy placeholder call.
func isCELCaddyPlaceholderCall(e ast.Expr) bool {