com.webmethods.rtl.markup.css.parser

Class CSSParser

java.lang.Object

com.webmethods.rtl.markup.css.parser.CSSParser

All Implemented Interfaces:

ICSSParser, ICSSSource

public class CSSParser
extends Object
implements ICSSParser

Simple css parser. Nnn-strict and not fully-conformant.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	m_column
protected boolean	m_cr
protected ICSSHandler	m_handler
protected int	m_line
protected static int	NESTED_ATRULE Atrule block or simple value.
protected static int	NESTED_DECLARATION Declaration value (atrule or simple value).
protected static int	NESTED_RULESET Ruleset block.
protected static int	STATE_ANY Looking for new atrules, rulesets, or attrule/declaration values.
protected static int	STATE_ATRULE_NAME Looking for end of atrule name.
protected static int	STATE_RULESET_PROPERTY Looking for end of declaration property.

Constructor Summary

Constructors

Constructor and Description
CSSParser()

Method Summary

Modifier and Type	Method and Description
protected int	___appendEscapedChar(Reader input, StringBuffer token) this actually unescapes; but we really should preserve escaped values
protected int	appendEscapedChar(Reader input, StringBuffer token) this preserves escaped values
ICSSHandler	getHandler()
protected int	hexCharToInt(int ch)
protected boolean	isWhitespace(int ch)
void	parse(Reader input, String uri, String charset)
protected int	read(Reader input)
protected void	readComment(Reader input)
void	setHandler(ICSSHandler handler)
protected StringBuffer	trimWhitespace(StringBuffer buf)

Methods inherited from class java.lang.Object

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

Field Detail

STATE_ANY

protected static final int STATE_ANY

Looking for new atrules, rulesets, or attrule/declaration values.

See Also:

Constant Field Values

STATE_ATRULE_NAME

protected static final int STATE_ATRULE_NAME

Looking for end of atrule name.

See Also:

Constant Field Values

STATE_RULESET_PROPERTY

protected static final int STATE_RULESET_PROPERTY

Looking for end of declaration property.

See Also:

Constant Field Values

NESTED_ATRULE

protected static final int NESTED_ATRULE

Atrule block or simple value.

See Also:

Constant Field Values

NESTED_RULESET

protected static final int NESTED_RULESET

Ruleset block.

See Also:

Constant Field Values

NESTED_DECLARATION

protected static final int NESTED_DECLARATION

Declaration value (atrule or simple value).

See Also:

Constant Field Values

m_cr

protected boolean m_cr

m_line

protected int m_line

m_column

protected int m_column

m_handler

protected ICSSHandler m_handler

Constructor Detail

CSSParser

public CSSParser()

Method Detail

getHandler

public ICSSHandler getHandler()

Specified by:

getHandler in interface ICSSSource

setHandler

public void setHandler(ICSSHandler handler)

Specified by:

setHandler in interface ICSSSource

parse

public void parse(Reader input,
                  String uri,
                  String charset)
           throws CSSException,
                  IOException

Specified by:

parse in interface ICSSParser

Throws:

CSSException

IOException

isWhitespace

protected final boolean isWhitespace(int ch)

hexCharToInt

protected final int hexCharToInt(int ch)

trimWhitespace

protected StringBuffer trimWhitespace(StringBuffer buf)

Returns:

Original buf.

appendEscapedChar

protected int appendEscapedChar(Reader input,
                                StringBuffer token)
                         throws IOException

this preserves escaped values

Parameters:

input - Input stream after initial escape signal char ('\\').

token - Buffer to which to append the escaped char value.

Returns:

Next char after escape sequence.

Throws:

IOException

___appendEscapedChar

protected int ___appendEscapedChar(Reader input,
                                   StringBuffer token)
                            throws IOException

this actually unescapes; but we really should preserve escaped values

Parameters:

input - Input stream after initial escape signal char ('\\').

token - Buffer to which to append the escaped char value.

Returns:

Next char after escape sequence.

Throws:

IOException

readComment

protected void readComment(Reader input)
                    throws CSSException,
                           IOException

Parameters:

input - Input stream directly after comment start chars ('/*').

Throws:

CSSException

IOException

read

protected int read(Reader input)
            throws IOException

Throws:

IOException