expression

package

v0.2.18 Latest Latest Go to latest Published: Feb 13, 2024 License: BSD-3-Clause Imports: 8 Imported by: 8

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

GetLiteral return the literal value if it is a literal

func IsTemplateExpr(exprStr string) bool

func SetScriptFactoryCreator(factory FactoryCreatorFunc)

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

func NewLiteralExpr(val interface{}) Expr

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

func NewFactory(resolver resolve.CompositeResolver) Factory

type FactoryCreatorFunc func(resolve.CompositeResolver) Factory