exp

Documentation

Index

• func NewBinaryExpression(name string, leftExpression, rightExpression *opt.LogicalExpression) *opt.LogicalExpression
• func NewBitwiseNotUnaryExpression(name string, expression *opt.LogicalExpression) *opt.LogicalExpression
• func NewBooleanValueExpression(value bool) *opt.LogicalExpression
• func NewDateTimeExpression(value string) *opt.LogicalExpression
• func NewEmptyExpression() *opt.LogicalExpression
• func NewFloatExpression(value string) *opt.LogicalExpression
• func NewFunctionExpression(id *opt.LogicalExpression, args []*opt.LogicalExpression) *opt.LogicalExpression
• func NewIdentifierExpression(name string) *opt.LogicalExpression
• func NewIntegerValueExpression(value string) *opt.LogicalExpression
• func NewNegateUnaryExpression(name string, expression *opt.LogicalExpression) *opt.LogicalExpression
• func NewNotUnaryExpression(name string, expression *opt.LogicalExpression) *opt.LogicalExpression
• func NewPiExpression() *opt.LogicalExpression
• func NewStringValueExpression(value string) *opt.LogicalExpression
• func NewTernaryExpression(left, mid, right *opt.LogicalExpression) *opt.LogicalExpression
• func NewVarIdentifierExpression(name string) *opt.LogicalExpression
• type BinaryExpression
  • func (expression *BinaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type BitwiseNotUnaryExpression
  • func (expression *BitwiseNotUnaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type BooleanValueExpression
  • func (expression *BooleanValueExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type DateTimeExpression
  • func (expression *DateTimeExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type EmptyExpression
  • func (expression *EmptyExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type FloatExpression
  • func (expression *FloatExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type FunctionExpression
  • func (expression *FunctionExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type IdentifierExpression
  • func (expression *IdentifierExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type IntegerValueExpression
  • func (expression *IntegerValueExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type NegateUnaryExpression
  • func (expression *NegateUnaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type NotUnaryExpression
  • func (expression *NotUnaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type PiExpression
  • func (*PiExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type StringValueExpression
  • func (expression *StringValueExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
  • func (*StringValueExpression) ToString() string
• type TernaryExpression
  • func (expression *TernaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)
• type UnaryExpression
• type VarIdentifierExpression
  • func (expression *VarIdentifierExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

Functions

func NewBinaryExpression

func NewBinaryExpression(name string, leftExpression, rightExpression *opt.LogicalExpression) *opt.LogicalExpression

func NewBitwiseNotUnaryExpression

func NewBitwiseNotUnaryExpression(name string, expression *opt.LogicalExpression) *opt.LogicalExpression

func NewBooleanValueExpression

func NewBooleanValueExpression(value bool) *opt.LogicalExpression

func NewDateTimeExpression

func NewDateTimeExpression(value string) *opt.LogicalExpression

func NewEmptyExpression

func NewEmptyExpression() *opt.LogicalExpression

func NewFloatExpression

func NewFloatExpression(value string) *opt.LogicalExpression

func NewFunctionExpression

func NewFunctionExpression(id *opt.LogicalExpression, args []*opt.LogicalExpression) *opt.LogicalExpression

func NewIdentifierExpression

func NewIdentifierExpression(name string) *opt.LogicalExpression

func NewIntegerValueExpression

func NewIntegerValueExpression(value string) *opt.LogicalExpression

func NewNegateUnaryExpression

func NewNegateUnaryExpression(name string, expression *opt.LogicalExpression) *opt.LogicalExpression

func NewNotUnaryExpression

func NewNotUnaryExpression(name string, expression *opt.LogicalExpression) *opt.LogicalExpression

func NewPiExpression

func NewPiExpression() *opt.LogicalExpression

func NewStringValueExpression

func NewStringValueExpression(value string) *opt.LogicalExpression

func NewTernaryExpression

func NewTernaryExpression(left, mid, right *opt.LogicalExpression) *opt.LogicalExpression

func NewVarIdentifierExpression

func NewVarIdentifierExpression(name string) *opt.LogicalExpression

NewVarIdentifierExpression create new custom parameter which output like '[Parameter]'

Types

type BinaryExpression

type BinaryExpression struct {
	Name            string
	LeftExpression  *opt.LogicalExpression
	RightExpression *opt.LogicalExpression
}

func (*BinaryExpression) Evaluate

func (expression *BinaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type BitwiseNotUnaryExpression

type BitwiseNotUnaryExpression struct {
	UnaryExpression
}

func (*BitwiseNotUnaryExpression) Evaluate

func (expression *BitwiseNotUnaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type BooleanValueExpression

type BooleanValueExpression struct {
	Value bool
}

func (*BooleanValueExpression) Evaluate

func (expression *BooleanValueExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type DateTimeExpression

type DateTimeExpression struct {
	Value time.Time
}

todo:时间表达式如何处理？

func (*DateTimeExpression) Evaluate

func (expression *DateTimeExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type EmptyExpression

type EmptyExpression struct {
}

func (*EmptyExpression) Evaluate

func (expression *EmptyExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type FloatExpression

type FloatExpression struct {
	Value float64
}

func (*FloatExpression) Evaluate

func (expression *FloatExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type FunctionExpression

type FunctionExpression struct {
	Identifier *opt.LogicalExpression
	Arguments  []*opt.LogicalExpression
}

func (*FunctionExpression) Evaluate

func (expression *FunctionExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type IdentifierExpression

type IdentifierExpression struct {
	Name string
}

func (*IdentifierExpression) Evaluate

func (expression *IdentifierExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type IntegerValueExpression

type IntegerValueExpression struct {
	Value int64
}

func (*IntegerValueExpression) Evaluate

func (expression *IntegerValueExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type NegateUnaryExpression

type NegateUnaryExpression struct {
	UnaryExpression
}

func (*NegateUnaryExpression) Evaluate

func (expression *NegateUnaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type NotUnaryExpression

type NotUnaryExpression struct {
	UnaryExpression
}

func (*NotUnaryExpression) Evaluate

func (expression *NotUnaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type PiExpression

type PiExpression struct {
}

func (*PiExpression) Evaluate

func (*PiExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type StringValueExpression

type StringValueExpression struct {
	Value string
}

func (*StringValueExpression) Evaluate

func (expression *StringValueExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

func (*StringValueExpression) ToString

func (*StringValueExpression) ToString() string

type TernaryExpression

type TernaryExpression struct {
	Left   *opt.LogicalExpression
	Middle *opt.LogicalExpression
	Right  *opt.LogicalExpression
}

func (*TernaryExpression) Evaluate

func (expression *TernaryExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)

type UnaryExpression

type UnaryExpression struct {
	Name       string
	Expression *opt.LogicalExpression
}

type VarIdentifierExpression

type VarIdentifierExpression struct {
	Name string
}

func (*VarIdentifierExpression) Evaluate

func (expression *VarIdentifierExpression) Evaluate(context *opt.FormulaContext) (*opt.Argument, error)