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