Package org.htmlunit.cyberneko

Class HTMLScanner.ContentScanner

java.lang.Object

org.htmlunit.cyberneko.HTMLScanner.ContentScanner

All Implemented Interfaces:

HTMLScanner.Scanner

Enclosing class:

HTMLScanner

public class HTMLScanner.ContentScanner
extends java.lang.Object
implements HTMLScanner.Scanner

The primary HTML document scanner.

Field Summary

Fields

Modifier and Type	Field	Description
private XMLAttributesImpl	attributes_	Attributes.
private QName	qName_	A qualified name.
private java.lang.String	scanStartElement_

Constructor Summary

Constructors

Constructor	Description
ContentScanner()

Method Summary

Modifier and Type	Method	Description
private boolean	changeEncoding(java.lang.String charset)	Tries to change the encoding used to read the input stream to the specified one
private void	eof()
private java.lang.String	removeSpaces(java.lang.String content)	Removes all whitespaces from the string
int	scan(boolean complete)	Scan.
protected int	scanAttribute(XMLAttributesImpl attributes, boolean[] empty)	Scans a real attribute.
protected int	scanAttributeQuotedValue(int currentQuote, HTMLScanner.CurrentEntity currentEntity, XMLString attribValue, XMLString plainAttribValue, boolean normalizeAttributes)
protected int	scanAttributeUnquotedValue(HTMLScanner.CurrentEntity currentEntity, XMLString attribValue, XMLString plainAttribValue)
protected int	scanCDATA()
protected int	scanCDataContent(XMLString xmlString)
protected void	scanCharacters()
protected int	scanComment()
protected int	scanCommentContent(XMLString buffer)
protected void	scanEndElement()
protected int	scanPI()
protected int	scanStartElement(boolean[] empty)	Scans a start element.
private void	scanUntilEndTag(java.lang.String tagName)	Scans the content of <noscript&gr;: it doesn't get parsed but is considered as plain text when feature HTMLScanner.PARSE_NOSCRIPT_CONTENT is set to false.

Methods inherited from class java.lang.Object

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

Field Detail

qName_

private final QName qName_

A qualified name.

attributes_

private final XMLAttributesImpl attributes_

Attributes.

scanStartElement_

private java.lang.String scanStartElement_

Constructor Detail

ContentScanner

public ContentScanner()

Method Detail

scan

public int scan(boolean complete)
         throws java.io.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:

java.io.IOException - Thrown if I/O error occurs.

eof

private void eof()

scanUntilEndTag

private void scanUntilEndTag(java.lang.String tagName)
                      throws java.io.IOException

Scans the content of <noscript&gr;: it doesn't get parsed but is considered as plain text when feature HTMLScanner.PARSE_NOSCRIPT_CONTENT is set to false.

Parameters:

tagName - the tag for which content is scanned (one of "noscript", "noframes", "iframe")

Throws:

java.io.IOException - on error

scanCharacters

protected void scanCharacters()
                       throws java.io.IOException

Throws:

java.io.IOException

scanCDATA

protected int scanCDATA()
                 throws java.io.IOException

Throws:

java.io.IOException

scanComment

protected int scanComment()
                   throws java.io.IOException

Throws:

java.io.IOException

scanCommentContent

protected int scanCommentContent(XMLString buffer)
                          throws java.io.IOException

Throws:

java.io.IOException

scanCDataContent

protected int scanCDataContent(XMLString xmlString)
                        throws java.io.IOException

Throws:

java.io.IOException

scanPI

protected int scanPI()
              throws java.io.IOException

Throws:

java.io.IOException

scanStartElement

protected int scanStartElement(boolean[] empty)
                        throws java.io.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. "/>").

Returns:

ename

Throws:

java.io.IOException - in case of io problems

removeSpaces

private java.lang.String removeSpaces(java.lang.String content)

Removes all whitespaces from the string

changeEncoding

private boolean changeEncoding(java.lang.String charset)

Tries to change the encoding used to read the input stream to the specified one

Parameters:

charset - the charset that should be used

Returns:

true when the encoding has been changed

scanAttribute

protected int scanAttribute(XMLAttributesImpl attributes,
                            boolean[] empty)
                     throws java.io.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. "/>").

Returns:

success

Throws:

java.io.IOException - in case of io problems

scanAttributeUnquotedValue

protected int scanAttributeUnquotedValue(HTMLScanner.CurrentEntity currentEntity,
                                         XMLString attribValue,
                                         XMLString plainAttribValue)
                                  throws java.io.IOException

Throws:

java.io.IOException

scanAttributeQuotedValue

protected int scanAttributeQuotedValue(int currentQuote,
                                       HTMLScanner.CurrentEntity currentEntity,
                                       XMLString attribValue,
                                       XMLString plainAttribValue,
                                       boolean normalizeAttributes)
                                throws java.io.IOException

Throws:

java.io.IOException

scanEndElement

protected void scanEndElement()
                       throws java.io.IOException

Throws:

java.io.IOException