com.opensymphony.module.sitemesh.html.tokenizer
Class Parser

java.lang.Object
  Lexer
      com.opensymphony.module.sitemesh.html.tokenizer.Parser

All Implemented Interfaces:

Tag, Text

class Parser

extends Lexer

implements Text, Tag

Looks for patterns of tokens in the Lexer and translates these to calls to pass to the TokenHandler.

Author:

Joe Walnes

See Also:

TagTokenizer

Field Summary

private CharArray	attributeBuffer
private List	attributes
static short	EQUALS
static short	GT
private TokenHandler	handler
private char[]	input
private int	length
static short	LT
static short	LT_CLOSE_MAGIC_COMMENT
static short	LT_OPEN_MAGIC_COMMENT
private String	name
private int	position
private String	pushbackText
private int	pushbackToken
static short	QUOTE
static short	QUOTED
static short	SLASH
static short	TEXT
private int	type
static short	WHITESPACE
static short	WORD

Fields inherited from interface com.opensymphony.module.sitemesh.html.Tag

CLOSE, CLOSE_MAGIC_COMMENT, EMPTY, OPEN, OPEN_MAGIC_COMMENT

Constructor Summary

Parser(char[] input, TokenHandler handler)

Method Summary

int	getAttributeCount()
String	getAttributeName(int index)
String	getAttributeValue(int index)
String	getAttributeValue(String name)
String	getContents() Get the complete contents of the text block, preserving original formatting.
String	getName() Name of tag (ie.
int	getType() Type of tag: <blah> - Type.OPEN </blah> - Type.CLOSE <blah/> - Type.EMPTY
boolean	hasAttribute(String name)
private void	parseAttribute()
void	parsedAttribute(String name, String value, boolean quoted)
void	parsedTag(int type, String name, int start, int length)
void	parsedText(int position, int length)
private void	parseFullTag(int type, String name, int start)
private void	parseTag(int type)
private void	pushBack(int next)
protected void	reportError(String message, int line, int column)
private void	skipWhiteSpace()
void	start()
private String	text()
void	writeTo(CharArray out) Write out the complete contents of the text block, preserving original formatting.

Methods inherited from class java.lang.Object

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

Field Detail

attributeBuffer

private final CharArray attributeBuffer

pushbackToken

private int pushbackToken

pushbackText

private String pushbackText

SLASH

public static final short SLASH

See Also:

Constant Field Values

WHITESPACE

public static final short WHITESPACE

See Also:

Constant Field Values

EQUALS

public static final short EQUALS

See Also:

Constant Field Values

QUOTE

public static final short QUOTE

See Also:

Constant Field Values

WORD

public static final short WORD

See Also:

Constant Field Values

TEXT

public static final short TEXT

See Also:

Constant Field Values

QUOTED

public static final short QUOTED

See Also:

Constant Field Values

LT

public static final short LT

See Also:

Constant Field Values

GT

public static final short GT

See Also:

Constant Field Values

LT_OPEN_MAGIC_COMMENT

public static final short LT_OPEN_MAGIC_COMMENT

See Also:

Constant Field Values

LT_CLOSE_MAGIC_COMMENT

public static final short LT_CLOSE_MAGIC_COMMENT

See Also:

Constant Field Values

input

private final char[] input

handler

private TokenHandler handler

position

private int position

length

private int length

name

private String name

type

private int type

attributes

private final List attributes

Constructor Detail

Parser

public Parser(char[] input,
              TokenHandler handler)

Method Detail

text

private String text()

skipWhiteSpace

private void skipWhiteSpace()
                     throws IOException

Throws:

IOException

pushBack

private void pushBack(int next)

start

public void start()

parseTag

private void parseTag(int type)
               throws IOException

Throws:

IOException

parseFullTag

private void parseFullTag(int type,
                          String name,
                          int start)
                   throws IOException

Throws:

IOException

parseAttribute

private void parseAttribute()
                     throws IOException

Throws:

IOException

parsedText

public void parsedText(int position,
                       int length)

parsedTag

public void parsedTag(int type,
                      String name,
                      int start,
                      int length)

parsedAttribute

public void parsedAttribute(String name,
                            String value,
                            boolean quoted)

reportError

protected void reportError(String message,
                           int line,
                           int column)

getName

public String getName()

Description copied from interface: Tag

Name of tag (ie. element name).

Specified by:

getName in interface Tag

getType

public int getType()

Description copied from interface: Tag

Type of tag:
<blah> - Type.OPEN
</blah> - Type.CLOSE
<blah/> - Type.EMPTY

Specified by:

getType in interface Tag

getContents

public String getContents()

Description copied from interface: Text

Get the complete contents of the text block, preserving original formatting. This has a slight overhead in that it needs to construct a String. For improved performance, use writeTo() instead.

Specified by:

getContents in interface Text

See Also:

Text.writeTo(com.opensymphony.module.sitemesh.html.util.CharArray)

writeTo

public void writeTo(CharArray out)

Description copied from interface: Text

Write out the complete contents of the text block, preserving original formatting.

Specified by:

writeTo in interface Text

getAttributeCount

public int getAttributeCount()

Specified by:

getAttributeCount in interface Tag

getAttributeName

public String getAttributeName(int index)

Specified by:

getAttributeName in interface Tag

getAttributeValue

public String getAttributeValue(int index)

Specified by:

getAttributeValue in interface Tag

getAttributeValue

public String getAttributeValue(String name)

Specified by:

getAttributeValue in interface Tag

hasAttribute

public boolean hasAttribute(String name)

Specified by:

hasAttribute in interface Tag