cel

Documentation

Index

• type ExpressionBuilder
  • func NewBuilder(finder ast.AttributeDescriptorFinder, mode LanguageMode) *ExpressionBuilder
  • func (exb *ExpressionBuilder) Compile(text string) (compiled.Expression, descriptor.ValueType, error)
  • func (exb *ExpressionBuilder) EvalType(text string) (descriptor.ValueType, error)
• type LanguageMode

Types

type ExpressionBuilder

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

ExpressionBuilder creates a CEL interpreter from an attribute manifest.

func NewBuilder

func NewBuilder(finder ast.AttributeDescriptorFinder, mode LanguageMode) *ExpressionBuilder

NewBuilder returns a new ExpressionBuilder

func (*ExpressionBuilder) Compile

func (exb *ExpressionBuilder) Compile(text string) (compiled.Expression, descriptor.ValueType, error)

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

func (*ExpressionBuilder) EvalType

func (exb *ExpressionBuilder) EvalType(text string) (descriptor.ValueType, error)

EvalType returns the type of an expression

type LanguageMode

type LanguageMode int

LanguageMode controls parsing and evaluation properties of the expression builder

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

	// LegacySyntaxCEL uses CEXL syntax and CEL runtime
	LegacySyntaxCEL
)