org.apache.xerces.impl

## Class XMLDocumentFragmentScannerImpl.ElementStack

- java.lang.Object
- - org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.ElementStack

- Enclosing class:
    XMLDocumentFragmentScannerImpl

      protected static class XMLDocumentFragmentScannerImpl.ElementStack
      extends java.lang.Object

  Element stack. This stack operates without synchronization, error checking, and it re-uses objects instead of throwing popped items away.
  Author:
    Andy Clark, IBM

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected org.apache.xerces.xni.QName[]` | `fElements` The stack data.
    `protected int` | `fSize` The size of the stack.

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ElementStack()` Default constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `clear()` Clears the stack without throwing away existing QName objects.
    `void` | `popElement(org.apache.xerces.xni.QName element)` Pops an element off of the stack by setting the values of the specified QName.
    `org.apache.xerces.xni.QName` | `pushElement(org.apache.xerces.xni.QName element)` Pushes an element on the stack.

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### fElements

          protected org.apache.xerces.xni.QName[] fElements

      The stack data.

    - #### fSize

          protected int fSize

      The size of the stack.

  - ### Constructor Detail

    - #### ElementStack

          public ElementStack()

      Default constructor.

  - ### Method Detail

    - #### pushElement

          public org.apache.xerces.xni.QName pushElement(org.apache.xerces.xni.QName element)

      Pushes an element on the stack.

      Note: The QName values are copied into the stack. In other words, the caller does not orphan the element to the stack. Also, the QName object returned is not orphaned to the caller. It should be considered read-only.

      Parameters:
        `element` - The element to push onto the stack.
      Returns:
        Returns the actual QName object that stores the

    - #### popElement

          public void popElement(org.apache.xerces.xni.QName element)

      Pops an element off of the stack by setting the values of the specified QName.

      Note: The object returned is not orphaned to the caller. Therefore, the caller should consider the object to be read-only.

    - #### clear

          public void clear()

      Clears the stack without throwing away existing QName objects.

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