class BooleanValue: (source)
Provide boolean XPath expression operators.
Instance Variable | lhs |
Left hand side expression of the operator. |
Instance Variable | op |
The operator. One of 'and' , 'or' . |
Instance Variable | rhs |
Right hand side expression of the operator. |
Instance Variable | value |
Reference to the method that will calculate the value of this expression given an element. |
Method | __init__ |
Undocumented |
Method | _booleanAnd |
Calculate boolean and of the given expressions given an element. |
Method | _booleanOr |
Calculate boolean or of the given expressions given an element. |
Calculate boolean and of the given expressions given an element.
Parameters | elem | The element to calculate the value of the expression from. |