cel

package

v1.6.0 Latest Latest Go to latest Published: Aug 17, 2023 License: Apache-2.0 Imports: 16 Imported by: 0

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type ExpressionBuilder struct {
	// contains filtered or unexported fields
}

ExpressionBuilder creates a CEL interpreter from an attribute manifest.

func NewExpressionBuilder(attributes map[string]attribute.Kind, mode LanguageMode) *ExpressionBuilder

NewExpressionBuilder returns a new ExpressionBuilder

func (e *ExpressionBuilder) Compile(text string) (attribute.Expression, attribute.Kind, error)

Compile the given text and return a pre-compiled expression object.

func (e *ExpressionBuilder) EvalType(text string) (attribute.Kind, error)

EvalType returns the type of an expression

type LanguageMode int

LanguageMode controls parsing and evaluation properties of the expression builder

const (
	// CEL mode uses CEL syntax and runtime
	CEL LanguageMode = iota

	// CompatCEXL uses CEXL syntax and CEL runtime
	CompatCEXL
)