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## org.apache.xalan.templates
Class XSLTVisitor

    java.lang.Object
      |
      +--org.apache.xpath.XPathVisitor
            |
            +--org.apache.xalan.templates.XSLTVisitor

Direct Known Subclasses:
  RedundentExprEliminator

public class XSLTVisitor
extends XPathVisitor

A derivation from this class can be passed to a class that implements the XSLTVisitable interface, to have the appropriate method called for each component of an XSLT stylesheet. Aside from possible other uses, the main intention is to provide a reasonable means to perform expression rewriting.

Constructor Summary
`XSLTVisitor()`

Method Summary
`boolean` | `visitAVT(AVT elem)` Visit an Attribute Value Template (at the top level).
`boolean` | `visitExtensionElement(ElemExtensionCall elem)` Visit an extension element.
`boolean` | `visitInstruction(ElemTemplateElement elem)` Visit an XSLT instruction.
`boolean` | `visitLiteralResultElement(ElemLiteralResult elem)` Visit a LiteralResultElement.
`boolean` | `visitStylesheet(ElemTemplateElement elem)` Visit an XSLT stylesheet instruction.
`boolean` | `visitTopLevelInstruction(ElemTemplateElement elem)` Visit an XSLT top-level instruction.
`boolean` | `visitTopLevelVariableOrParamDecl(ElemTemplateElement elem)` Visit an XSLT top-level instruction.
`boolean` | `visitVariableOrParamDecl(ElemVariable elem)` Visit an XSLT variable or parameter declaration.

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

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

Constructor Detail

### XSLTVisitor

    public XSLTVisitor()

Method Detail

### visitInstruction

    public boolean visitInstruction(ElemTemplateElement elem)

  Visit an XSLT instruction. Any element that isn't called by one of the other visit methods, will be called by this method.
  Parameters:
    `elem` - The xsl instruction element object.
  Returns:
    true if the sub expressions should be traversed.

### visitStylesheet

    public boolean visitStylesheet(ElemTemplateElement elem)

  Visit an XSLT stylesheet instruction.
  Parameters:
    `elem` - The xsl instruction element object.
  Returns:
    true if the sub expressions should be traversed.

### visitTopLevelInstruction

    public boolean visitTopLevelInstruction(ElemTemplateElement elem)

  Visit an XSLT top-level instruction.
  Parameters:
    `elem` - The xsl instruction element object.
  Returns:
    true if the sub expressions should be traversed.

### visitTopLevelVariableOrParamDecl

    public boolean visitTopLevelVariableOrParamDecl(ElemTemplateElement elem)

  Visit an XSLT top-level instruction.
  Parameters:
    `elem` - The xsl instruction element object.
  Returns:
    true if the sub expressions should be traversed.

### visitVariableOrParamDecl

    public boolean visitVariableOrParamDecl(ElemVariable elem)

  Visit an XSLT variable or parameter declaration.
  Parameters:
    `elem` - The xsl instruction element object.
  Returns:
    true if the sub expressions should be traversed.

### visitLiteralResultElement

    public boolean visitLiteralResultElement(ElemLiteralResult elem)

  Visit a LiteralResultElement.
  Parameters:
    `elem` - The literal result object.
  Returns:
    true if the sub expressions should be traversed.

### visitAVT

    public boolean visitAVT(AVT elem)

  Visit an Attribute Value Template (at the top level).
  Parameters:
    `elem` - The attribute value template object.
  Returns:
    true if the sub expressions should be traversed.

### visitExtensionElement

    public boolean visitExtensionElement(ElemExtensionCall elem)

  Visit an extension element.
  Parameters:
    `elem` - The extension object.
  Returns:
    true if the sub expressions should be traversed.

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Copyright © 2006 Apache XML Project. All Rights Reserved.