org.apache.xalan.processor

## Class ProcessorExsltFunction

- java.lang.Object
- - org.apache.xml.utils.UnImplNode
  - - org.apache.xalan.templates.ElemTemplateElement
    - - org.apache.xalan.processor.XSLTElementProcessor
      - - org.apache.xalan.processor.ProcessorTemplateElem
        - - org.apache.xalan.processor.ProcessorExsltFunction

- All Implemented Interfaces:
    java.io.Serializable, SourceLocator, XSLTVisitable, PrefixResolver, ExpressionNode, WhitespaceStrippingElementMatcher, Document, Element, Node, NodeList

      public class ProcessorExsltFunction
      extends ProcessorTemplateElem

  This class processes parse events for an exslt func:function element.
  See Also:
    Serialized Form
  Usage:
    **For internal use only**

- - ### Field Summary

    - ### Fields inherited from interface org.w3c.dom.Node

      `ATTRIBUTE_NODE, CDATA_SECTION_NODE, COMMENT_NODE, DOCUMENT_FRAGMENT_NODE, DOCUMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY, DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_DISCONNECTED, DOCUMENT_POSITION_FOLLOWING, DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC, DOCUMENT_POSITION_PRECEDING, DOCUMENT_TYPE_NODE, ELEMENT_NODE, ENTITY_NODE, ENTITY_REFERENCE_NODE, NOTATION_NODE, PROCESSING_INSTRUCTION_NODE, TEXT_NODE`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ProcessorExsltFunction()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `endElement(StylesheetHandler handler, java.lang.String uri, java.lang.String localName, java.lang.String rawName)` End an ElemExsltFunction, and verify its validity.
    `void` | `startElement(StylesheetHandler handler, java.lang.String uri, java.lang.String localName, java.lang.String rawName, Attributes attributes)` Start an ElemExsltFunction.
    `void` | `validate(ElemTemplateElement elem, StylesheetHandler handler)` Non-recursive traversal of FunctionElement tree based on TreeWalker to verify that there are no literal result elements except within a func:result element and that the func:result element does not contain any following siblings except xsl:fallback.

    - ### Methods inherited from class org.apache.xalan.processor.XSLTElementProcessor

      `characters, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, skippedEntity, startNonText, unparsedEntityDecl`

    - ### Methods inherited from class org.apache.xalan.templates.ElemTemplateElement

      `appendChild, appendChild, callVisitors, canAcceptVariables, canStripWhiteSpace, compareTo, compose, containsExcludeResultPrefix, endCompose, error, error, execute, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getBaseIdentifier, getChildNodes, getColumnNumber, getDeclaredPrefixes, getDOMBackPointer, getEndColumnNumber, getEndLineNumber, getFirstChild, getFirstChildElem, getLastChild, getLastChildElem, getLength, getLineNumber, getLocalName, getNamespaceForPrefix, getNamespaceForPrefix, getNextSibling, getNextSiblingElem, getNodeName, getNodeType, getOwnerDocument, getOwnerXSLTemplate, getParentElem, getParentNode, getParentNodeElem, getPreviousSibling, getPreviousSiblingElem, getPublicId, getStylesheet, getStylesheetComposed, getStylesheetRoot, getSystemId, getTagName, getUid, getXmlSpace, getXSLToken, handlesNullPrefixes, hasChildNodes, hasTextLitOnly, hasVariableDecl, insertBefore, isCompiledTemplate, item, recompose, removeChild, replaceChild, replaceChild, resolvePrefixTables, runtimeInit, setDOMBackPointer, setEndLocaterInfo, setLocaterInfo, setParentElem, setPrefixes, setPrefixes, setUid, setXmlSpace, shouldStripWhiteSpace`

    - ### Methods inherited from class org.apache.xml.utils.UnImplNode

      `adoptNode, appendData, cloneNode, compareDocumentPosition, createAttribute, createAttributeNS, createCDATASection, createComment, createDocumentFragment, createElement, createElementNS, createEntityReference, createProcessingInstruction, createTextNode, deleteData, getActualEncoding, getAttribute, getAttributeNode, getAttributeNodeNS, getAttributeNS, getAttributes, getBaseURI, getDoctype, getDocumentElement, getDocumentURI, getDomConfig, getElementById, getElementsByTagName, getElementsByTagNameNS, getFeature, getImplementation, getInputEncoding, getNamespaceURI, getNodeValue, getOwnerElement, getPrefix, getSchemaTypeInfo, getSpecified, getStrictErrorChecking, getTextContent, getUserData, getWholeText, getXmlEncoding, getXmlStandalone, getXmlVersion, hasAttribute, hasAttributeNS, hasAttributes, importNode, insertData, isDefaultNamespace, isEqualNode, isId, isSameNode, isSupported, isWhitespaceInElementContent, lookupNamespaceURI, lookupPrefix, normalize, normalizeDocument, removeAttribute, removeAttributeNode, removeAttributeNS, removeChild, renameNode, replaceData, replaceWholeText, setActualEncoding, setAttribute, setAttributeNode, setAttributeNodeNS, setAttributeNS, setData, setDocumentURI, setIdAttribute, setIdAttribute, setIdAttributeNode, setIdAttributeNS, setInputEncoding, setNodeValue, setPrefix, setStrictErrorChecking, setTextContent, setUserData, setValue, setXmlEncoding, setXmlStandalone, setXmlVersion, splitText, substringData`

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

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

- - ### Constructor Detail

    - #### ProcessorExsltFunction

          public ProcessorExsltFunction()

  - ### Method Detail

    - #### startElement

          public void startElement(StylesheetHandler handler,
                          java.lang.String uri,
                          java.lang.String localName,
                          java.lang.String rawName,
                          Attributes attributes)
                            throws SAXException

      Start an ElemExsltFunction. Verify that it is top level and that it has a name attribute with a namespace.
      Overrides:
        `startElement` in class `ProcessorTemplateElem`
      Parameters:
        `handler` - non-null reference to current StylesheetHandler that is constructing the Templates.
        `uri` - The Namespace URI, or an empty string.
        `localName` - The local name (without prefix), or empty string if not namespace processing.
        `rawName` - The qualified name (with prefix).
        `attributes` - The specified or defaulted attributes.
      Throws:
        `SAXException`

    - #### endElement

          public void endElement(StylesheetHandler handler,
                        java.lang.String uri,
                        java.lang.String localName,
                        java.lang.String rawName)
                          throws SAXException

      End an ElemExsltFunction, and verify its validity.
      Overrides:
        `endElement` in class `ProcessorTemplateElem`
      Parameters:
        `handler` - non-null reference to current StylesheetHandler that is constructing the Templates.
        `uri` - The Namespace URI, or an empty string.
        `localName` - The local name (without prefix), or empty string if not namespace processing.
        `rawName` - The qualified name (with prefix).
      Throws:
        `SAXException`

    - #### validate

          public void validate(ElemTemplateElement elem,
                      StylesheetHandler handler)
                        throws SAXException

      Non-recursive traversal of FunctionElement tree based on TreeWalker to verify that there are no literal result elements except within a func:result element and that the func:result element does not contain any following siblings except xsl:fallback.
      Throws:
        `SAXException`

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