java.lang.Object
- org.w3c.tidy.ParserImpl

```
public final class ParserImpl
extends java.lang.Object
```
HTML Parser implementation.

Version:

$Revision$ ($Author$)

Author:

Dave Raggett dsr@w3.org , Andy Quick ac.quick@sympatico.ca (translation to Java), Fabrizio Giustina

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`ParserImpl.ParseBlock`	Parser for block elements.
`static class`	`ParserImpl.ParseBody`	Parser for BODY.
`static class`	`ParserImpl.ParseColGroup`	Parser for COLGROUP.
`static class`	`ParserImpl.ParseDefList`	Parser for DEFLIST.
`static class`	`ParserImpl.ParseEmpty`	Parser for empty elements.
`static class`	`ParserImpl.ParseFrameSet`	Parser for FRAMESET.
`static class`	`ParserImpl.ParseHead`	Parser for HEAD.
`static class`	`ParserImpl.ParseHTML`	Parser for HTML.
`static class`	`ParserImpl.ParseInline`	Parser for INLINE.
`static class`	`ParserImpl.ParseList`	Parser for LIST.
`static class`	`ParserImpl.ParseNoFrames`	Parser for NOFRAMES.
`static class`	`ParserImpl.ParseOptGroup`	Parser for OPTGROUP.
`static class`	`ParserImpl.ParsePre`	Parser for PRE.
`static class`	`ParserImpl.ParseRow`	Parser for ROW.
`static class`	`ParserImpl.ParseRowGroup`	Parser for ROWGROUP.
`static class`	`ParserImpl.ParseScript`	Parser for SCRIPT.
`static class`	`ParserImpl.ParseSelect`	Parser for SELECT.
`static class`	`ParserImpl.ParseTableTag`	Parser for TABLE.
`static class`	`ParserImpl.ParseText`	Parser for text nodes.
`static class`	`ParserImpl.ParseTitle`	Parser for TITLE.

Field Summary

Fields
Modifier and Type	Field	Description
`static Parser`	`BLOCK`	parser for block elements.
`static Parser`	`BODY`	parser for body.
`static Parser`	`COLGROUP`	parser for colgroup.
`static Parser`	`DEFLIST`	parser for definition lists.
`static Parser`	`EMPTY`	parser for empty elements.
`static Parser`	`FRAMESET`	parser for frameset.
`static Parser`	`HEAD`	parser for head.
`static Parser`	`HTML`	parser for html.
`static Parser`	`INLINE`	parser for inline.
`static Parser`	`LIST`	parser for list.
`static Parser`	`NOFRAMES`	parser for noframes.
`static Parser`	`OPTGROUP`	parser for optgroup.
`static Parser`	`PRE`	parser for pre.
`static Parser`	`ROW`	parser for row.
`static Parser`	`ROWGROUP`	parser for rowgroup.
`static Parser`	`SCRIPT`	parser for script.
`static Parser`	`SELECT`	parser for select.
`static Parser`	`TABLETAG`	parser for table.
`static Parser`	`TEXT`	parser for text.
`static Parser`	`TITLE`	parser for title.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`protected static void`	`moveToHead(Lexer lexer, Node element, Node node, int nestingLevel)`	Move node to the head, where element is used as starting point in hunt for head.
`static Node`	`parseDocument(Lexer lexer)`	HTML is the top level element.
`protected static void`	`parseTag(Lexer lexer, Node node, short mode, int nestingLevel)`	Parse tag.
`static Node`	`parseXMLDocument(Lexer lexer)`	Parse xml document.
`static void`	`parseXMLElement(Lexer lexer, Node element, short mode)`	Parse XML element.
`static boolean`	`XMLPreserveWhiteSpace(Node element, TagTable tt)`	Indicates whether or not whitespace should be preserved for this element.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - HTML
```
public static final Parser HTML
```
    parser for html.
  - HEAD
```
public static final Parser HEAD
```
    parser for head.
  - TITLE
```
public static final Parser TITLE
```
    parser for title.
  - SCRIPT
```
public static final Parser SCRIPT
```
    parser for script.
  - BODY
```
public static final Parser BODY
```
    parser for body.
  - FRAMESET
```
public static final Parser FRAMESET
```
    parser for frameset.
  - INLINE
```
public static final Parser INLINE
```
    parser for inline.
  - LIST
```
public static final Parser LIST
```
    parser for list.
  - DEFLIST
```
public static final Parser DEFLIST
```
    parser for definition lists.
  - PRE
```
public static final Parser PRE
```
    parser for pre.
  - BLOCK
```
public static final Parser BLOCK
```
    parser for block elements.
  - TABLETAG
```
public static final Parser TABLETAG
```
    parser for table.
  - COLGROUP
```
public static final Parser COLGROUP
```
    parser for colgroup.
  - ROWGROUP
```
public static final Parser ROWGROUP
```
    parser for rowgroup.
  - ROW
```
public static final Parser ROW
```
    parser for row.
  - NOFRAMES
```
public static final Parser NOFRAMES
```
    parser for noframes.
  - SELECT
```
public static final Parser SELECT
```
    parser for select.
  - TEXT
```
public static final Parser TEXT
```
    parser for text.
  - EMPTY
```
public static final Parser EMPTY
```
    parser for empty elements.
  - OPTGROUP
```
public static final Parser OPTGROUP
```
    parser for optgroup.
- Method Detail
  - parseTag
```
protected static void parseTag(Lexer lexer,
                               Node node,
                               short mode,
                               int nestingLevel)
                        throws ExcessiveNesting
```
    Parse tag.
    
    Parameters:
    
    lexer - the Lexer to use
    
    node - the node to use
    
    mode - the mode to use
    
    nestingLevel - The current nesting level of the document. Extremely nested documents are considered an error.
    
    Throws:
    
    ExcessiveNesting - When excessive nesting is detected.
  - moveToHead
```
protected static void moveToHead(Lexer lexer,
                                 Node element,
                                 Node node,
                                 int nestingLevel)
                          throws ExcessiveNesting
```
    Move node to the head, where element is used as starting point in hunt for head. Normally called during parsing.
    
    Parameters:
    
    lexer - the Lexer to use
    
    element - the element to use
    
    node - the node to use
    
    nestingLevel - The current nesting level of the document. Extremely nested documents are considered an error.
    
    Throws:
    
    ExcessiveNesting - When excessive nesting is detected.
  - parseDocument
```
public static Node parseDocument(Lexer lexer)
```
    HTML is the top level element.
    
    Parameters:
    
    lexer - the Lexer to use
    
    Returns:
    
    the document node
  - XMLPreserveWhiteSpace
```
public static boolean XMLPreserveWhiteSpace(Node element,
                                            TagTable tt)
```
    Indicates whether or not whitespace should be preserved for this element. If an xml:space attribute is found, then if the attribute value is preserve, returns true. For any other value, returns false. If an xml:space attribute was not found, then the following element names result in a return value of true: pre, script, style, and xsl:text. Finally, if a TagTable was passed in and the element appears as the "pre" element in the TagTable, then true will be returned. Otherwise, false is returned.
    
    Parameters:
    
    element - The Node to test to see if whitespace should be preserved.
    
    tt - The TagTable to test for the getNodePre() function. This may be null, in which case this test is bypassed.
    
    Returns:
    
    true or false, as explained above.
  - parseXMLElement
```
public static void parseXMLElement(Lexer lexer,
                                   Node element,
                                   short mode)
```
    Parse XML element.
    
    Parameters:
    
    lexer - the Lexer to use
    
    element - the element to parse
    
    mode - the mode to use
  - parseXMLDocument
```
public static Node parseXMLDocument(Lexer lexer)
```
    Parse xml document.
    
    Parameters:
    
    lexer - the Lexer to use
    
    Returns:
    
    the document node

Class ParserImpl

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

HTML

HEAD

TITLE

SCRIPT

BODY

FRAMESET

INLINE

LIST

DEFLIST

PRE

BLOCK

TABLETAG

COLGROUP

ROWGROUP

ROW

NOFRAMES

SELECT

TEXT

EMPTY

OPTGROUP

Method Detail

parseTag

moveToHead

parseDocument

XMLPreserveWhiteSpace

parseXMLElement

parseXMLDocument