org.foray.xml.dtd
Class ElementStack

java.lang.Object
  org.foray.xml.dtd.ElementStack

public class ElementStack
extends Object

A stack of DTDElement instances, useful when using a SAX parser.

Constructor Summary

ElementStack()
Constructor.

Method Summary

boolean	isEmpty() Indicates whether the stack is empty.
DTDElement	peek() Peek at the top element on the stack without removing it from the stack.
DTDElement	pop() Pop an item off of the stack.
void	push(DTDElement element) Push an item onto the stack.
int	size() Return the number of elements on the stack.
boolean	topHasPCDATA() Indicates whether the top item on the stack contains PCDATA content.
boolean	topIsBlockElement() Reports whether the top element on the stack should be treated as a block element or as an inline element.
boolean	topIsInsideMixedContent() Reports whether the top element on the stack is inside of any element that contains mixed content.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ElementStack

public ElementStack()

Constructor.

Method Detail

push

public void push(DTDElement element)

Push an item onto the stack.

Parameters:

element - The element to push onto the stack.

pop

public DTDElement pop()

Pop an item off of the stack.

Returns:

The popped element, or null if the stack is empty.

peek

public DTDElement peek()

Peek at the top element on the stack without removing it from the stack.

Returns:

The top element on the stack.

size

public int size()

Return the number of elements on the stack.

Returns:

The number of elements on the stack.

isEmpty

public boolean isEmpty()

Indicates whether the stack is empty.

Returns:

True iff the stack has no elements on it.

topIsBlockElement

public boolean topIsBlockElement()

Reports whether the top element on the stack should be treated as a block element or as an inline element. A block element is any element whose immediate parent in the document does not contain PCDATA. Note that an element may be a block element but still be part of mixed content, if some other ancestor does contain PCDATA.

Returns:

True iff the top element on the stack is a block element, or if the stack is empty.

topIsInsideMixedContent

public boolean topIsInsideMixedContent()

Reports whether the top element on the stack is inside of any element that contains mixed content.

Returns:

True iff any ancestor element of the top of the stack can contain PCDATA.

topHasPCDATA

public boolean topHasPCDATA()

Indicates whether the top item on the stack contains PCDATA content.

Returns:

True iff the top item on the stack contains PCDATA content.