expression

Documentation

Index

• func GetLiteral(strVal string) (interface{}, bool)
• func IsTemplateExpr(exprStr string) bool
• func SetScriptFactoryCreator(factory FactoryCreatorFunc)
• type Expr
  • func NewLiteralExpr(val interface{}) Expr
  • func NewTemplateExpr(exprStr string, factory Factory) (Expr, error)
• type Factory
  • func NewFactory(resolver resolve.CompositeResolver) Factory
• type FactoryCreatorFunc

Functions

func GetLiteral

func GetLiteral(strVal string) (interface{}, bool)

GetLiteral return the literal value if it is a literal

func IsTemplateExpr

func IsTemplateExpr(exprStr string) bool

func SetScriptFactoryCreator

func SetScriptFactoryCreator(factory FactoryCreatorFunc)

Types

type Expr

type Expr interface {
	Eval(scope data.Scope) (interface{}, error)
}

func NewLiteralExpr

func NewLiteralExpr(val interface{}) Expr

func NewTemplateExpr

func NewTemplateExpr(exprStr string, factory Factory) (Expr, error)

NewTemplateExpr creates a new Template Expr, the template only supports non-nested double braces as embedded expression tokens {{ }}

type Factory

type Factory interface {
	NewExpr(exprStr string) (Expr, error)
}

func NewFactory

func NewFactory(resolver resolve.CompositeResolver) Factory

type FactoryCreatorFunc

type FactoryCreatorFunc func(resolve.CompositeResolver) Factory