Function NewRuleComposer

policy/composer.go:47–61

NewRuleComposer creates a rule composer which stitches together rules within a policy into a single CEL expression.

(env *cel.Env, opts ...ComposerOption)

// NewRuleComposer creates a rule composer which stitches together rules within a policy into
// a single CEL expression.
func NewRuleComposer(env *cel.Env, opts ...ComposerOption) (*RuleComposer, error) {
	composer := &RuleComposer{
		env: env,
		// set the default nesting height to something reasonable.
		exprUnnestHeight: 25,
	}
	var err error
	for _, opt := range opts {
		composer, err = opt(composer)
		if err != nil {
			return nil, err
		}
	}
	return composer, nil
}

// RuleComposer optimizes a set of expressions into a single expression.
type RuleComposer struct {