jet/sqlbuilder/integer_expression.go
2019-05-07 19:06:21 +02:00

82 lines
2.6 KiB
Go

package sqlbuilder
type integerExpression interface {
numericExpression
//AddInt(value int) integerExpression
//AddInt64(value int) integerExpression
BitAnd(expression integerExpression) integerExpression
BitOr(expression integerExpression) integerExpression
BitXor(expression integerExpression) integerExpression
BitNot() integerExpression
}
type integerInterfaceImpl struct {
parent integerExpression
}
//func (i *integerInterfaceImpl) AddInt(expression integerExpression) integerExpression {
// return NewBinaryIntegerExpression(i.parent, expression, " & ")
//}
//
//func (i *integerInterfaceImpl) AddInt64(expression integerExpression) integerExpression {
// return NewBinaryIntegerExpression(i.parent, expression, " & ")
//}
func (i *integerInterfaceImpl) BitAnd(expression integerExpression) integerExpression {
return NewBinaryIntegerExpression(i.parent, expression, " & ")
}
func (i *integerInterfaceImpl) BitOr(expression integerExpression) integerExpression {
return NewBinaryIntegerExpression(i.parent, expression, " | ")
}
func (i *integerInterfaceImpl) BitXor(expression integerExpression) integerExpression {
return NewBinaryIntegerExpression(i.parent, expression, " # ")
}
func (i *integerInterfaceImpl) BitNot() integerExpression {
return NewPrefixIntegerExpression(i.parent, " ~")
}
//---------------------------------------------------//
type binaryIntegerExpression struct {
expressionInterfaceImpl
numericInterfaceImpl
integerInterfaceImpl
binaryExpression
}
func NewBinaryIntegerExpression(lhs, rhs integerExpression, operator string) integerExpression {
integerExpression := binaryIntegerExpression{}
integerExpression.expressionInterfaceImpl.parent = &integerExpression
integerExpression.numericInterfaceImpl.parent = &integerExpression
integerExpression.integerInterfaceImpl.parent = &integerExpression
integerExpression.binaryExpression = newBinaryExpression(lhs, rhs, operator)
return &integerExpression
}
//---------------------------------------------------//
type prefixIntegerExpression struct {
expressionInterfaceImpl
numericInterfaceImpl
integerInterfaceImpl
prefixExpression
}
func NewPrefixIntegerExpression(expression integerExpression, operator string) integerExpression {
integerExpression := prefixIntegerExpression{}
integerExpression.prefixExpression = newPrefixExpression(expression, operator)
integerExpression.expressionInterfaceImpl.parent = &integerExpression
integerExpression.numericInterfaceImpl.parent = &integerExpression
integerExpression.integerInterfaceImpl.parent = &integerExpression
return &integerExpression
}