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LexicalHandler Class Reference

Receive notification of lexical events. More...

Inheritance diagram for LexicalHandler:

Inheritance graph
[legend]
List of all members.

Public Methods

Constructors and Destructor
 LexicalHandler ()
 Default constructor. More...

virtual ~LexicalHandler ()
 Destructor. More...

The virtual document handler interface
virtual void comment (const XMLCh *const chars, const unsigned int length)=0
 Receive notification of comments. More...

virtual void endCDATA ()=0
 Receive notification of the end of a CDATA section. More...

virtual void endDTD ()=0
 Receive notification of the end of the DTD declarations. More...

virtual void endEntity (const XMLCh *const name)=0
 Receive notification of the end of an entity. More...

virtual void startCDATA ()=0
 Receive notification of the start of a CDATA section. More...

virtual void startDTD (const XMLCh *const name, const XMLCh *const publicId, const XMLCh *const systemId)=0
 Receive notification of the start of the DTD declarations. More...

virtual void startEntity (const XMLCh *const name)=0
 Receive notification of the start of an entity. More...


Detailed Description

Receive notification of lexical events.

This is an extension handler for that provides lexical information about an XML document. It does not provide information about document content. For those events, an application must register an instance of a ContentHandler.

The order of events in this interface is very important, and mirrors the order of information in the document itself. For example, startDTD() and endDTD() events will occur before the first element in the document.

See also:
SAX2XMLReader::setLexicalHandler , SAX2XMLReader::setContentHandler


Constructor & Destructor Documentation

LexicalHandler::LexicalHandler  
 

Default constructor.

virtual LexicalHandler::~LexicalHandler   [virtual]
 

Destructor.


Member Function Documentation

virtual void LexicalHandler::comment const XMLCh *const    chars,
const unsigned int    length
[pure virtual]
 

Receive notification of comments.

The Parser will call this method to report each occurence of a comment in the XML document.

The application must not attempt to read from the array outside of the specified range.

Parameters:
chars  The characters from the XML document.
length  The number of characters to read from the array.
Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.

virtual void LexicalHandler::endCDATA   [pure virtual]
 

Receive notification of the end of a CDATA section.

The SAX parser will invoke this method at the end of each CDATA parsed.

Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.

virtual void LexicalHandler::endDTD   [pure virtual]
 

Receive notification of the end of the DTD declarations.

The SAX parser will invoke this method at the end of the DTD

Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.

virtual void LexicalHandler::endEntity const XMLCh *const    name [pure virtual]
 

Receive notification of the end of an entity.

The SAX parser will invoke this method at the end of an entity

Parameters:
name  The name of the entity that is ending.
Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.

virtual void LexicalHandler::startCDATA   [pure virtual]
 

Receive notification of the start of a CDATA section.

The SAX parser will invoke this method at the start of each CDATA parsed.

Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.

virtual void LexicalHandler::startDTD const XMLCh *const    name,
const XMLCh *const    publicId,
const XMLCh *const    systemId
[pure virtual]
 

Receive notification of the start of the DTD declarations.

The SAX parser will invoke this method at the start of the DTD

Parameters:
name  The document type name.
publicId  The declared public identifier for the external DTD subset, or null if none was declared.
systemId  The declared system identifier for the external DTD subset, or null if none was declared.
Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.

virtual void LexicalHandler::startEntity const XMLCh *const    name [pure virtual]
 

Receive notification of the start of an entity.

The SAX parser will invoke this method at the start of an entity

Parameters:
name  The name of the entity that is starting.
Exceptions:
SAXException  Any SAX exception, possibly wrapping another exception.

Implemented in DefaultHandler.


The documentation for this class was generated from the following file:


Copyright © 2004 The Apache Software Foundation. All Rights Reserved.