# Package org.apache.xalan.processor

Parses an XSLT stylesheet document (which may include and import other stylesheet documents) and produces a StylesheetRoot (a TRaX Templates object).

See: Description

- Class Summary
  Class | Description
  --- | ---
  ProcessorCharacters | This class processes character events for a XSLT template element.
  ProcessorExsltFuncResult | This class processes parse events for an exslt func:result element.
  ProcessorExsltFunction | This class processes parse events for an exslt func:function element.
  ProcessorImport | This class processes parse events for an xsl:import element.
  ProcessorInclude | TransformerFactory class for xsl:include markup.
  ProcessorLRE | Processes an XSLT literal-result-element, or something that looks like one.
  ProcessorStylesheetDoc | This class processes the xsl:stylesheet element.
  ProcessorStylesheetElement | TransformerFactory for xsl:stylesheet or xsl:transform markup.
  ProcessorTemplateElem | This class processes parse events for an XSLT template element.
  ProcessorText | Process xsl:text.
  ProcessorUnknown | This class processes an unknown template element.
  StylesheetHandler | Initializes and processes a stylesheet via SAX events.
  TransformerFactoryImpl | The TransformerFactoryImpl, which implements the TRaX TransformerFactory interface, processes XSLT stylesheets into a Templates object (a StylesheetRoot).
  WhitespaceInfoPaths |
  XSLProcessorVersion | Deprecated To be replaced by org.apache.xalan.Version.getVersion()
  XSLTAttributeDef | This class defines an attribute for an element in a XSLT stylesheet, is meant to reflect the structure defined in http://www.w3.org/TR/xslt#dtd, and the mapping between Xalan classes and the markup attributes in the element.
  XSLTElementDef | This class defines the allowed structure for an element in a XSLT stylesheet, is meant to reflect the structure defined in http://www.w3.org/TR/xslt#dtd, and the mapping between Xalan classes and the markup elements in the XSLT instance.
  XSLTElementProcessor | This class acts as the superclass for all stylesheet element processors, and deals with things that are common to all elements.
  XSLTSchema | This class defines the allowed structure for a stylesheet, and the mapping between Xalan classes and the markup elements in the stylesheet.

## Package org.apache.xalan.processor Description

Parses an XSLT stylesheet document (which may include and import other stylesheet documents) and produces a StylesheetRoot (a TRaX Templates object).

StylesheetProcessor implements the TRaX `TransformerFactory` interface, as well as the `SAXTransformerFactory` interface. It registers the `StylesheetHandler` object (a TrAX `TemplatesHandler` implementation) as the SAX ContentHandler for an XMLReader, and uses the XMLReader to parse the stylesheet document.

Before parsing the XSLT input, StylesheetHandler assembles an `XSLTSchema`, which uses `XSLTElementDef` and `XSLTAttributeDef` objects to recursively define the elements and attributes that an XSLT stylesheet may contain. The StylesheetHandler then passes on each parse event to the `XSLTElementProcessor` which the XSLTElementDef assigned to the element associated with that event.

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