abstract class DefaultLocationPath extends DefaultExpr implements LocationPath
Modifier and Type | Field and Description |
---|---|
private java.util.List |
steps |
Constructor and Description |
---|
DefaultLocationPath()
Create a new empty location path.
|
Modifier and Type | Method and Description |
---|---|
void |
addStep(Step step)
Add the next step to this location path.
|
java.lang.Object |
evaluate(Context context)
Evaluate the expression in the given context, and return the result.
|
java.util.List |
getSteps()
Returns the ordered list of steps in this location path.
|
java.lang.String |
getText()
Returns a String containing the XPath expression.
|
boolean |
isAbsolute()
Returns true if this is an absolute location path; false if it isn't.
|
private boolean |
isReverseAxis(Step step) |
Expr |
simplify()
Simplifies the XPath expression.
|
java.lang.String |
toString() |
convertToIterator, convertToList
public void addStep(Step step)
LocationPath
addStep
in interface LocationPath
public java.util.List getSteps()
LocationPath
getSteps
in interface LocationPath
public Expr simplify()
Expr
//para[1 = 1]
could be simplified to
//para
. In practice, this is usually a noop.
Jaxen does not currently perform any simplification.simplify
in interface Expr
simplify
in class DefaultExpr
public java.lang.String getText()
Expr
public java.lang.String toString()
toString
in class java.lang.Object
public boolean isAbsolute()
LocationPath
/
or //
.isAbsolute
in interface LocationPath
public java.lang.Object evaluate(Context context) throws JaxenException
Expr
java.lang.Double
for expressions that
return a number, a java.lang.String
for expressions that
return a string, a java.lang.Boolean
for expressions that
return a boolean, and a java.util.List
for expressions that
return a node-set. In the latter case, the elements of the list are
the actual objects from the source document model. Copies are not made.evaluate
in interface Expr
context
- the context in which the expression is evaluatedJaxenException
private boolean isReverseAxis(Step step)