net.sourceforge.htmlunit.cyberneko

Class HTMLScanner.ContentScanner

java.lang.Object

net.sourceforge.htmlunit.cyberneko.HTMLScanner.ContentScanner

All Implemented Interfaces:

HTMLScanner.Scanner

Enclosing class:

HTMLScanner

public class HTMLScanner.ContentScanner
extends Object
implements HTMLScanner.Scanner

The primary HTML document scanner.

Author:

Andy Clark

Constructor Summary

Constructors

Constructor and Description
ContentScanner()

Method Summary

Modifier and Type	Method and Description
protected void	addLocationItem(org.apache.xerces.xni.XMLAttributes attributes, int index) Adds location augmentations to the specified attribute.
protected String	nextContent(int len) Reads the next characters WITHOUT impacting the buffer content up to current offset.
boolean	scan(boolean complete) Scan.
protected boolean	scanAttribute(org.apache.xerces.util.XMLAttributesImpl attributes, boolean[] empty) Scans a real attribute.
protected boolean	scanAttribute(org.apache.xerces.util.XMLAttributesImpl attributes, boolean[] empty, char endc) Scans an attribute, pseudo or real.
protected void	scanCDATA() Scans a CDATA section.
protected void	scanCharacters() Scans characters.
protected void	scanComment() Scans a comment.
protected void	scanEndElement() Scans an end element.
protected boolean	scanMarkupContent(org.apache.xerces.util.XMLStringBuffer buffer, char cend) Scans markup content.
protected void	scanPI() Scans a processing instruction.
protected boolean	scanPseudoAttribute(org.apache.xerces.util.XMLAttributesImpl attributes) Scans a pseudo attribute.
protected String	scanStartElement(boolean[] empty) Scans a start element.

Methods inherited from class java.lang.Object

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

Constructor Detail

ContentScanner

public ContentScanner()

Method Detail

scan

public boolean scan(boolean complete)
             throws IOException

Scan.

Specified by:

scan in interface HTMLScanner.Scanner

Parameters:

complete - True if the scanner should not return until scanning is complete.

Returns:

True if additional scanning is required.

Throws:

IOException - Thrown if I/O error occurs.

nextContent

protected String nextContent(int len)
                      throws IOException

Reads the next characters WITHOUT impacting the buffer content up to current offset.

Parameters:

len - the number of characters to read

Returns:

the read string (length may be smaller if EOF is encountered)

Throws:

IOException

scanCharacters

protected void scanCharacters()
                       throws IOException

Scans characters.

Throws:

IOException

scanCDATA

protected void scanCDATA()
                  throws IOException

Scans a CDATA section.

Throws:

IOException

scanComment

protected void scanComment()
                    throws IOException

Scans a comment.

Throws:

IOException

scanMarkupContent

protected boolean scanMarkupContent(org.apache.xerces.util.XMLStringBuffer buffer,
                                    char cend)
                             throws IOException

Scans markup content.

Throws:

IOException

scanPI

protected void scanPI()
               throws IOException

Scans a processing instruction.

Throws:

IOException

scanStartElement

protected String scanStartElement(boolean[] empty)
                           throws IOException

Scans a start element.

Parameters:

empty - Is used for a second return value to indicate whether the start element tag is empty (e.g. "/>").

Throws:

IOException

scanAttribute

protected boolean scanAttribute(org.apache.xerces.util.XMLAttributesImpl attributes,
                                boolean[] empty)
                         throws IOException

Scans a real attribute.

Parameters:

attributes - The list of attributes.

empty - Is used for a second return value to indicate whether the start element tag is empty (e.g. "/>").

Throws:

IOException

scanPseudoAttribute

protected boolean scanPseudoAttribute(org.apache.xerces.util.XMLAttributesImpl attributes)
                               throws IOException

Scans a pseudo attribute.

Parameters:

attributes - The list of attributes.

Throws:

IOException

scanAttribute

protected boolean scanAttribute(org.apache.xerces.util.XMLAttributesImpl attributes,
                                boolean[] empty,
                                char endc)
                         throws IOException

Scans an attribute, pseudo or real.

Parameters:

attributes - The list of attributes.

empty - Is used for a second return value to indicate whether the start element tag is empty (e.g. "/>").

endc - The end character that appears before the closing angle bracket ('>').

Throws:

IOException

addLocationItem

protected void addLocationItem(org.apache.xerces.xni.XMLAttributes attributes,
                               int index)

Adds location augmentations to the specified attribute.

scanEndElement

protected void scanEndElement()
                       throws IOException

Scans an end element.

Throws:

IOException