Package uk.ac.starlink.ttools.votlint
Class HandlerStack
- java.lang.Object
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- uk.ac.starlink.ttools.votlint.HandlerStack
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public class HandlerStack extends java.lang.Object
Data structure which keeps track of the elements currently in scope during the SAX parse.- Since:
- 7 Apr 2005
- Author:
- Mark Taylor (Starlink)
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Constructor Summary
Constructors Constructor Description HandlerStack()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Ancestry
getAncestry()
Returns an ancestry object for the handler at the top of this stack.ElementHandler
pop()
Pops a handler off the top of the stack.void
push(ElementHandler handler)
Pushes a new handler onto the stack.ElementHandler
top()
Returns the handler at the top of the list without removing it.
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Method Detail
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pop
public ElementHandler pop()
Pops a handler off the top of the stack.- Returns:
- the element which has just been removed
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push
public void push(ElementHandler handler)
Pushes a new handler onto the stack.- Parameters:
handler
- handler to push
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top
public ElementHandler top()
Returns the handler at the top of the list without removing it.- Returns:
- top element
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getAncestry
public Ancestry getAncestry()
Returns an ancestry object for the handler at the top of this stack. This is only valid for as long as that object is still in the stack. An attempt to use it after that point will give garbage results or may result in an unchecked throwable.- Returns:
- ancestry for the top element
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