AbsPathChecker (Xalan-Java 2.7.2)

java.lang.Object
- org.apache.xpath.XPathVisitor
- - org.apache.xalan.templates.AbsPathChecker

```
public class AbsPathChecker
extends XPathVisitor
```
This class runs over a path expression that is assumed to be absolute, and checks for variables and the like that may make it context dependent.

Constructor Summary

Constructors
Constructor Description

AbsPathChecker()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`checkAbsolute(LocPathIterator path)`	Process the LocPathIterator to see if it contains variables or functions that may make it context dependent.
`boolean`	`visitFunction(ExpressionOwner owner, Function func)`	Visit a function.
`boolean`	`visitVariableRef(ExpressionOwner owner, Variable var)`	Visit a variable reference.

Methods inherited from class org.apache.xpath.XPathVisitor
visitBinaryOperation, visitLocationPath, visitMatchPattern, visitNumberLiteral, visitPredicate, visitStep, visitStringLiteral, visitUnaryOperation, visitUnionPath, visitUnionPattern

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbsPathChecker
```
public AbsPathChecker()
```
- Method Detail
  - checkAbsolute
```
public boolean checkAbsolute(LocPathIterator path)
```
    Process the LocPathIterator to see if it contains variables or functions that may make it context dependent.
    
    Parameters:
    
    path - LocPathIterator that is assumed to be absolute, but needs checking.
    
    Returns:
    
    true if the path is confirmed to be absolute, false if it may contain context dependencies.
  - visitFunction
```
public boolean visitFunction(ExpressionOwner owner,
                             Function func)
```
    Visit a function.
    
    Overrides:
    
    visitFunction in class XPathVisitor
    
    Parameters:
    
    owner - The owner of the expression, to which the expression can be reset if rewriting takes place.
    
    func - The function reference object.
    
    Returns:
    
    true if the sub expressions should be traversed.
  - visitVariableRef
```
public boolean visitVariableRef(ExpressionOwner owner,
                                Variable var)
```
    Visit a variable reference.
    
    Overrides:
    
    visitVariableRef in class XPathVisitor
    
    Parameters:
    
    owner - The owner of the expression, to which the expression can be reset if rewriting takes place.
    
    var - The variable reference object.
    
    Returns:
    
    true if the sub expressions should be traversed.