nu.validator.htmlparser.impl

Class TreeBuilder<T>

java.lang.Object

nu.validator.htmlparser.impl.TreeBuilder<T>

All Implemented Interfaces:

TokenHandler, TreeBuilderState<T>

Direct Known Subclasses:

CoalescingTreeBuilder

public abstract class TreeBuilder<T>
extends Object
implements TokenHandler, TreeBuilderState<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected char[]	charBuffer
protected int	charBufferLen
protected ErrorHandler	errorHandler
protected Tokenizer	tokenizer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TreeBuilder()

Method Summary

Modifier and Type	Method and Description
protected void	accumulateCharacters(char[] buf, int start, int length)
protected abstract void	addAttributesToElement(T element, HtmlAttributes attributes)
protected abstract void	appendCharacters(T parent, char[] buf, int start, int length)
protected abstract void	appendChildrenToNewParent(T oldParent, T newParent)
protected abstract void	appendComment(T parent, char[] buf, int start, int length)
protected abstract void	appendCommentToDocument(char[] buf, int start, int length)
protected void	appendDoctypeToDocument(String name, String publicIdentifier, String systemIdentifier)
protected abstract void	appendElement(T child, T newParent)
protected abstract void	appendIsindexPrompt(T parent)
boolean	cdataSectionAllowed() Checks if the CDATA sections are allowed.
void	characters(char[] buf, int start, int length) Receive character tokens.
void	comment(char[] buf, int start, int length) Receive a comment token.
protected abstract T	createElement(String ns, String name, HtmlAttributes attributes)
protected T	createElement(String ns, String name, HtmlAttributes attributes, T form)
protected abstract T	createHtmlElementSetAsRoot(HtmlAttributes attributes)
protected T	currentNode()
protected abstract void	detachFromParent(T element)
void	doctype(String name, String publicIdentifier, String systemIdentifier, boolean forceQuirks) Receive a doctype token.
protected void	documentMode(DocumentMode m, String publicIdentifier, String systemIdentifier, boolean html4SpecificAdditionalErrorChecks)
protected void	elementPopped(String ns, String name, T node)
protected void	elementPushed(String ns, String name, T node)
protected void	end()
void	endTag(ElementName elementName) Receive an end tag token.
void	endTokenization() The perform final cleanup.
void	eof() The end-of-file token.
static String	extractCharsetFromContent(String attributeValue) C++ memory note: The return value must be released.
protected void	fatal() Reports an condition that would make the infoset incompatible with XML 1.0 as fatal.
protected void	fatal(Exception e)
void	flushCharacters() Flushes the pending characters.
T	getDeepTreeSurrogateParent() Returns the deepTreeSurrogateParent.
ErrorHandler	getErrorHandler() Returns the errorHandler.
T	getFormPointer() Returns the formPointer.
T	getHeadPointer() Returns the headPointer.
nu.validator.htmlparser.impl.StackNode<T>[]	getListOfActiveFormattingElements() Returns the listOfActiveFormattingElements.
int	getListOfActiveFormattingElementsLength() Return the length of the list of active formatting elements.
int	getMode() Returns the mode.
int	getOriginalMode() Returns the originalMode.
nu.validator.htmlparser.impl.StackNode<T>[]	getStack() Returns the stack.
int	getStackLength() Return the length of the stack.
protected abstract boolean	hasChildren(T element)
protected abstract void	insertFosterParentedCharacters(char[] buf, int start, int length, T table, T stackParent)
protected abstract void	insertFosterParentedChild(T child, T table, T stackParent)
boolean	isFramesetOk() Returns the framesetOk.
boolean	isNeedToDropLF() Returns the needToDropLF.
boolean	isQuirks() Returns the quirks.
boolean	isScriptingEnabled() Returns the scriptingEnabled.
void	loadState(TreeBuilderState<T> snapshot, Interner interner)
protected void	markMalformedIfScript(T elt)
TreeBuilderState<T>	newSnapshot() Creates a comparable snapshot of the tree builder state.
protected void	requestSuspension()
void	setDoctypeExpectation(DoctypeExpectation doctypeExpectation) Sets the doctypeExpectation.
void	setDocumentModeHandler(DocumentModeHandler documentModeHandler) Sets the documentModeHandler.
void	setErrorHandler(ErrorHandler errorHandler) Sets the errorHandler.
void	setFragmentContext(String context) The argument MUST be an interned string or null.
void	setFragmentContext(String context, String ns, T node, boolean quirks) The argument MUST be an interned string or null.
void	setIgnoringComments(boolean ignoreComments)
void	setNamePolicy(XmlViolationPolicy namePolicy)
void	setReportingDoctype(boolean reportingDoctype) Sets the reportingDoctype.
void	setScriptingEnabled(boolean scriptingEnabled) Sets the scriptingEnabled.
boolean	snapshotMatches(TreeBuilderState<T> snapshot)
protected void	start(boolean fragmentMode)
void	startTag(ElementName elementName, HtmlAttributes attributes, boolean selfClosing) Receive a start tag token.
void	startTokenization(Tokenizer self) This method is called at the start of tokenization before any other methods on this interface are called.
boolean	wantsComments() If this handler implementation cares about comments, return true.
void	zeroOriginatingReplacementCharacter() Reports a U+0000 that's being turned into a U+FFFD.

Methods inherited from class java.lang.Object

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

Field Detail

tokenizer

protected Tokenizer tokenizer

errorHandler

protected ErrorHandler errorHandler

charBuffer

protected char[] charBuffer

charBufferLen

protected int charBufferLen

Constructor Detail

TreeBuilder

protected TreeBuilder()

Method Detail

fatal

protected void fatal()
              throws SAXException

Reports an condition that would make the infoset incompatible with XML 1.0 as fatal.

Throws:

SAXException

SAXParseException

fatal

protected final void fatal(Exception e)
                    throws SAXException

Throws:

SAXException

startTokenization

public final void startTokenization(Tokenizer self)
                             throws SAXException

Description copied from interface: TokenHandler

This method is called at the start of tokenization before any other methods on this interface are called. Implementations should hold the reference to the Tokenizer in order to set the content model flag and in order to be able to query for Locator data.

Specified by:

startTokenization in interface TokenHandler

Parameters:

self - the Tokenizer.

Throws:

SAXException - if something went wrong

doctype

public final void doctype(String name,
                          String publicIdentifier,
                          String systemIdentifier,
                          boolean forceQuirks)
                   throws SAXException

Description copied from interface: TokenHandler

Receive a doctype token.

Specified by:

doctype in interface TokenHandler

Parameters:

name - the name

publicIdentifier - the public id

systemIdentifier - the system id

forceQuirks - whether the token is correct

Throws:

SAXException - if something went wrong

comment

public final void comment(char[] buf,
                          int start,
                          int length)
                   throws SAXException

Description copied from interface: TokenHandler

Receive a comment token. The data is junk if the wantsComments() returned false.

Specified by:

comment in interface TokenHandler

Parameters:

buf - a buffer holding the data

start - the offset into the buffer

length - the number of code units to read

Throws:

SAXException - if something went wrong

characters

public final void characters(char[] buf,
                             int start,
                             int length)
                      throws SAXException

Description copied from interface: TokenHandler

Receive character tokens. This method has the same semantics as the SAX method of the same name.

Specified by:

characters in interface TokenHandler

Parameters:

buf - a buffer holding the data

start - offset into the buffer

length - the number of code units to read

Throws:

SAXException - if something went wrong

See Also:

TokenHandler.characters(char[], int, int)

zeroOriginatingReplacementCharacter

public void zeroOriginatingReplacementCharacter()
                                         throws SAXException

Description copied from interface: TokenHandler

Reports a U+0000 that's being turned into a U+FFFD.

Specified by:

zeroOriginatingReplacementCharacter in interface TokenHandler

Throws:

SAXException - if something went wrong

See Also:

TokenHandler.zeroOriginatingReplacementCharacter()

eof

public final void eof()
               throws SAXException

Description copied from interface: TokenHandler

The end-of-file token.

Specified by:

eof in interface TokenHandler

Throws:

SAXException - if something went wrong

endTokenization

public final void endTokenization()
                           throws SAXException

Description copied from interface: TokenHandler

The perform final cleanup.

Specified by:

endTokenization in interface TokenHandler

Throws:

SAXException - if something went wrong

See Also:

TokenHandler.endTokenization()

startTag

public final void startTag(ElementName elementName,
                           HtmlAttributes attributes,
                           boolean selfClosing)
                    throws SAXException

Description copied from interface: TokenHandler

Receive a start tag token.

Specified by:

startTag in interface TokenHandler

Parameters:

elementName - the tag name

attributes - the attributes

selfClosing - TODO

Throws:

SAXException - if something went wrong

extractCharsetFromContent

public static String extractCharsetFromContent(String attributeValue)

C++ memory note: The return value must be released.

Returns:

Throws:

SAXException

StopSniffingException

endTag

public final void endTag(ElementName elementName)
                  throws SAXException

Description copied from interface: TokenHandler

Receive an end tag token.

Specified by:

endTag in interface TokenHandler

Parameters:

elementName - the tag name

Throws:

SAXException - if something went wrong

accumulateCharacters

protected void accumulateCharacters(char[] buf,
                                    int start,
                                    int length)
                             throws SAXException

Throws:

SAXException

requestSuspension

protected final void requestSuspension()

createElement

protected abstract T createElement(String ns,
                                   String name,
                                   HtmlAttributes attributes)
                            throws SAXException

Throws:

SAXException

createElement

protected T createElement(String ns,
                          String name,
                          HtmlAttributes attributes,
                          T form)
                   throws SAXException

Throws:

SAXException

createHtmlElementSetAsRoot

protected abstract T createHtmlElementSetAsRoot(HtmlAttributes attributes)
                                         throws SAXException

Throws:

SAXException

detachFromParent

protected abstract void detachFromParent(T element)
                                  throws SAXException

Throws:

SAXException

hasChildren

protected abstract boolean hasChildren(T element)
                                throws SAXException

Throws:

SAXException

appendElement

protected abstract void appendElement(T child,
                                      T newParent)
                               throws SAXException

Throws:

SAXException

appendChildrenToNewParent

protected abstract void appendChildrenToNewParent(T oldParent,
                                                  T newParent)
                                           throws SAXException

Throws:

SAXException

insertFosterParentedChild

protected abstract void insertFosterParentedChild(T child,
                                                  T table,
                                                  T stackParent)
                                           throws SAXException

Throws:

SAXException

insertFosterParentedCharacters

protected abstract void insertFosterParentedCharacters(char[] buf,
                                                       int start,
                                                       int length,
                                                       T table,
                                                       T stackParent)
                                                throws SAXException

Throws:

SAXException

appendCharacters

protected abstract void appendCharacters(T parent,
                                         char[] buf,
                                         int start,
                                         int length)
                                  throws SAXException

Throws:

SAXException

appendIsindexPrompt

protected abstract void appendIsindexPrompt(T parent)
                                     throws SAXException

Throws:

SAXException

appendComment

protected abstract void appendComment(T parent,
                                      char[] buf,
                                      int start,
                                      int length)
                               throws SAXException

Throws:

SAXException

appendCommentToDocument

protected abstract void appendCommentToDocument(char[] buf,
                                                int start,
                                                int length)
                                         throws SAXException

Throws:

SAXException

addAttributesToElement

protected abstract void addAttributesToElement(T element,
                                               HtmlAttributes attributes)
                                        throws SAXException

Throws:

SAXException

markMalformedIfScript

protected void markMalformedIfScript(T elt)
                              throws SAXException

Throws:

SAXException

start

protected void start(boolean fragmentMode)
              throws SAXException

Throws:

SAXException

end

protected void end()
            throws SAXException

Throws:

SAXException

appendDoctypeToDocument

protected void appendDoctypeToDocument(String name,
                                       String publicIdentifier,
                                       String systemIdentifier)
                                throws SAXException

Throws:

SAXException

elementPushed

protected void elementPushed(String ns,
                             String name,
                             T node)
                      throws SAXException

Throws:

SAXException

elementPopped

protected void elementPopped(String ns,
                             String name,
                             T node)
                      throws SAXException

Throws:

SAXException

documentMode

protected void documentMode(DocumentMode m,
                            String publicIdentifier,
                            String systemIdentifier,
                            boolean html4SpecificAdditionalErrorChecks)
                     throws SAXException

Throws:

SAXException

wantsComments

public boolean wantsComments()

Description copied from interface: TokenHandler

If this handler implementation cares about comments, return true. If not, return false.

Specified by:

wantsComments in interface TokenHandler

Returns:

whether this handler wants comments

See Also:

TokenHandler.wantsComments()

setIgnoringComments

public void setIgnoringComments(boolean ignoreComments)

setErrorHandler

public final void setErrorHandler(ErrorHandler errorHandler)

Sets the errorHandler.

Parameters:

errorHandler - the errorHandler to set

getErrorHandler

public ErrorHandler getErrorHandler()

Returns the errorHandler.

Returns:

the errorHandler

setFragmentContext

public final void setFragmentContext(String context)

The argument MUST be an interned string or null.

Parameters:

context -

cdataSectionAllowed

public boolean cdataSectionAllowed()
                            throws SAXException

Description copied from interface: TokenHandler

Checks if the CDATA sections are allowed.

Specified by:

cdataSectionAllowed in interface TokenHandler

Returns:

true if CDATA sections are allowed

Throws:

SAXException - if something went wrong

See Also:

TokenHandler.cdataSectionAllowed()

setFragmentContext

public final void setFragmentContext(String context,
                                     String ns,
                                     T node,
                                     boolean quirks)

The argument MUST be an interned string or null.

Parameters:

context -

currentNode

protected final T currentNode()

isScriptingEnabled

public boolean isScriptingEnabled()

Returns the scriptingEnabled.

Returns:

the scriptingEnabled

setScriptingEnabled

public void setScriptingEnabled(boolean scriptingEnabled)

Sets the scriptingEnabled.

Parameters:

scriptingEnabled - the scriptingEnabled to set

setDoctypeExpectation

public void setDoctypeExpectation(DoctypeExpectation doctypeExpectation)

Sets the doctypeExpectation.

Parameters:

doctypeExpectation - the doctypeExpectation to set

setNamePolicy

public void setNamePolicy(XmlViolationPolicy namePolicy)

setDocumentModeHandler

public void setDocumentModeHandler(DocumentModeHandler documentModeHandler)

Sets the documentModeHandler.

Parameters:

documentModeHandler - the documentModeHandler to set

setReportingDoctype

public void setReportingDoctype(boolean reportingDoctype)

Sets the reportingDoctype.

Parameters:

reportingDoctype - the reportingDoctype to set

flushCharacters

public final void flushCharacters()
                           throws SAXException

Flushes the pending characters. Public for document.write use cases only.

Throws:

SAXException

newSnapshot

public TreeBuilderState<T> newSnapshot()
                                throws SAXException

Creates a comparable snapshot of the tree builder state. Snapshot creation is only supported immediately after a script end tag has been processed. In C++ the caller is responsible for calling delete on the returned object.

Returns:

a snapshot.

Throws:

SAXException

snapshotMatches

public boolean snapshotMatches(TreeBuilderState<T> snapshot)

loadState

public void loadState(TreeBuilderState<T> snapshot,
                      Interner interner)
               throws SAXException

Throws:

SAXException

getFormPointer

public T getFormPointer()

Description copied from interface: TreeBuilderState

Returns the formPointer.

Specified by:

getFormPointer in interface TreeBuilderState<T>

Returns:

the formPointer

See Also:

TreeBuilderState.getFormPointer()

getHeadPointer

public T getHeadPointer()

Returns the headPointer.

Specified by:

getHeadPointer in interface TreeBuilderState<T>

Returns:

the headPointer

getDeepTreeSurrogateParent

public T getDeepTreeSurrogateParent()

Returns the deepTreeSurrogateParent.

Specified by:

getDeepTreeSurrogateParent in interface TreeBuilderState<T>

Returns:

the deepTreeSurrogateParent

getListOfActiveFormattingElements

public nu.validator.htmlparser.impl.StackNode<T>[] getListOfActiveFormattingElements()

Description copied from interface: TreeBuilderState

Returns the listOfActiveFormattingElements.

Specified by:

getListOfActiveFormattingElements in interface TreeBuilderState<T>

Returns:

the listOfActiveFormattingElements

See Also:

TreeBuilderState.getListOfActiveFormattingElements()

getStack

public nu.validator.htmlparser.impl.StackNode<T>[] getStack()

Description copied from interface: TreeBuilderState

Returns the stack.

Specified by:

getStack in interface TreeBuilderState<T>

Returns:

the stack

See Also:

TreeBuilderState.getStack()

getMode

public int getMode()

Returns the mode.

Specified by:

getMode in interface TreeBuilderState<T>

Returns:

the mode

getOriginalMode

public int getOriginalMode()

Returns the originalMode.

Specified by:

getOriginalMode in interface TreeBuilderState<T>

Returns:

the originalMode

isFramesetOk

public boolean isFramesetOk()

Returns the framesetOk.

Specified by:

isFramesetOk in interface TreeBuilderState<T>

Returns:

the framesetOk

isNeedToDropLF

public boolean isNeedToDropLF()

Returns the needToDropLF.

Specified by:

isNeedToDropLF in interface TreeBuilderState<T>

Returns:

the needToDropLF

isQuirks

public boolean isQuirks()

Returns the quirks.

Specified by:

isQuirks in interface TreeBuilderState<T>

Returns:

the quirks

getListOfActiveFormattingElementsLength

public int getListOfActiveFormattingElementsLength()

Description copied from interface: TreeBuilderState

Return the length of the list of active formatting elements.

Specified by:

getListOfActiveFormattingElementsLength in interface TreeBuilderState<T>

Returns:

the length of the list of active formatting elements.

See Also:

TreeBuilderState.getListOfActiveFormattingElementsLength()

getStackLength

public int getStackLength()

Description copied from interface: TreeBuilderState

Return the length of the stack.

Specified by:

getStackLength in interface TreeBuilderState<T>

Returns:

the length of the stack.

See Also:

TreeBuilderState.getStackLength()