com.vaadin.sass.internal.parser
Class Parser

java.lang.Object
  com.vaadin.sass.internal.parser.Parser

All Implemented Interfaces:

ParserConstants, org.w3c.css.sac.Parser

public class Parser
extends Object
implements org.w3c.css.sac.Parser, ParserConstants

A CSS2 parser

Version:

$Revision: 1.15 $

Author:

Philippe Le H�garet

Field Summary

protected org.w3c.css.sac.ConditionFactory	conditionFactory
protected SCSSDocumentHandlerImpl	documentHandler
protected org.w3c.css.sac.ErrorHandler	errorHandler
Token	jj_nt Next token.
protected org.w3c.css.sac.SelectorFactory	selectorFactory
protected org.w3c.css.sac.InputSource	source
Token	token Current token.
ParserTokenManager	token_source Generated Token Manager.

Fields inherited from interface com.vaadin.sass.internal.parser.ParserConstants

_URL, AND, ANY, ATKEYWORD, CDC, CDO, CHARSET_SYM, CM, COLON, COMMA, COMPARE, CONTENT_SYM, D, DASHMATCH, DEBUG_SYM, DEFAULT, DEG, DIMEN, DIV, DOT, EACH_IN, EACH_SYM, ELLIPSIS, ELSE_SYM, EMS, EOF, EQ, ESCAPE, EXS, EXTEND_SYM, FONT_FACE_SYM, FOR_SYM, FORMAL_COMMENT, FROM, FUNCTION, FUNCTION_SYM, GRAD, GTE, GUARDED_SYM, H, HASH, HZ, IDENT, IF, IF_SYM, IMPORT_SYM, IMPORTANT_SYM, IN, IN_FORMAL_COMMENT, IN_MULTI_LINE_COMMENT, INCLUDE_SYM, INCLUDES, INTERPOLATION, KEY_FRAME_SYM, KHZ, LBRACE, LBRACKET, LEM, LPARAN, LTE, MEDIA_SYM, MICROSOFT_RULE, MINUS, MIXIN_SYM, MM, MOD, MOZ_DOCUMENT_SYM, MS, MULTI_LINE_COMMENT, NAME, NMCHAR, NMSTART, NONASCII, NOT, NOT_EQ, NUMBER, OR, PAGE_SYM, PARENT, PC, PERCENTAGE, PLUS, PRECEDES, PREFIXMATCH, PT, PX, RAD, RANGE, RANGE0, RANGE1, RANGE2, RANGE3, RANGE4, RANGE5, RANGE6, RBRACE, RBRACKET, REM, RETURN_SYM, RPARAN, S, SECOND, SEMICOLON, SIBLING, SINGLE_LINE_COMMENT, STRING, STRINGCHAR, SUBSTRINGMATCH, SUCCEEDS, SUFFIXMATCH, SUPPORTS_SYM, THROUGH, TO, tokenImage, UNI, UNICODE, UNICODERANGE, UNKNOWN, URL, VARIABLE, WARN_SYM, WHILE_SYM

Constructor Summary

Parser()
Creates a new Parser

Parser(CharStream stream)
Constructor with user supplied CharStream.

Parser(ParserTokenManager tm)
Constructor with generated Token Manager.

Method Summary

void	_parseDeclarationBlock()
void	_parseImportRule()
void	_parseMediaRule()
void	_parseRule() The following functions are useful for a DOM CSS implementation only and are not part of the general CSS2 parser.
List<Selector>	_parseSelectors()
void	addExpressionTerm(List<SassListItem> items)
ArrayList<VariableNode>	arglist()
ArrayList<VariableNode>	argValuelist()
VariableNode	argValueListItem()
List<SassListItem>	arithmeticOrBooleanOperator()
void	atRuleDeclaration()
AttributeSelector	attribute_selector()
List<SassListItem>	booleanOperator()
void	charset()
SimpleSelector	class_selector()
Combinator	combinator()
Combinator	combinatorChar() to refactor combinator and reuse in selector().
void	contentDirective()
void	controlDirective()
void	debugDirective()
void	debuggingDirective()
void	declaration()
void	declarationOrNestedProperties()
void	disable_tracing() Disable tracing.
void	eachDirective()
void	elseDirective()
void	enable_tracing() Enable tracing.
SassListItem	expr()
SassList	expressionList()
SassList	expressionSubList()
void	extendDirective()
void	fontFace()
void	forDirective()
LexicalUnitImpl	function(char operator) Handle all CSS2 functions.
void	functionBlockStatement()
void	functionControlDirective()
void	functionDirective()
void	functionEachDirective()
void	functionElseDirective()
void	functionForDirective()
void	functionIfDirective()
String	functionName()
ParseException	generateParseException() Generate ParseException.
org.w3c.css.sac.InputSource	getInputSource()
Token	getNextToken() Get the next Token.
String	getParserVersion() This methods returns "http://www.w3.org/TR/REC-CSS2".
Token	getToken(int index) Get the specific Token.
boolean	guarded()
LexicalUnitImpl	hexcolor()
IdSelector	id_selector()
String	ident_interpolation_seq()
Token	ident()
String	identInterpolationString()
void	ifContentStatement()
void	ifDirective()
void	ignoreStatement()
void	importDeclaration() The import statement
void	includeDirective()
void	includeDirectiveBlockContents()
String	interpolation()
void	keyframes()
void	keyframeSelector()
void	media()
void	mediaDirective()
void	mediaStatement(MediaListImpl ml)
String	medium()
void	microsoftExtension()
VariableNode	mixinArg()
void	mixinDirective()
void	nestedProperties()
List<SassListItem>	nonCommaOperator()
List<SassListItem>	nonVariableTerm()
List<SassListItem>	numberTerm(char op)
SassListItem	numericExpr()
List<SassListItem>	numericTerm()
List<SassListItem>	operator()
void	page()
SassListItem	parenthesizedExpression()
void	parseImportRule(org.w3c.css.sac.InputSource source) Parse methods used by DOM Level 2 implementation.
void	parseMediaRule(org.w3c.css.sac.InputSource source)
boolean	parsePriority(org.w3c.css.sac.InputSource source)
org.w3c.css.sac.LexicalUnit	parsePropertyValue(org.w3c.css.sac.InputSource source)
void	parseRule(org.w3c.css.sac.InputSource source) This method parses only one rule (style rule or at-rule, except @charset).
void	parserUnit() The main entry for the parser.
List<Selector>	parseSCSSSelectors(org.w3c.css.sac.InputSource source)
org.w3c.css.sac.SelectorList	parseSelectors(org.w3c.css.sac.InputSource source)
void	parseStyleDeclaration(org.w3c.css.sac.InputSource source) This method parses a style declaration (including the surrounding curly braces).
void	parseStyleSheet(org.w3c.css.sac.InputSource source) Main parse methods
void	parseStyleSheet(String systemId) Convenient method for URIs.
SimpleSelector	placeholder_selector()
boolean	prio()
String	property()
Token	propertyIdent()
String	pseudo_page()
SimpleSelector	pseudo_selector()
void	ReInit(CharStream stream) Reinitialise.
void	ReInit(ParserTokenManager tm) Reinitialise.
void	returnDirective()
Selector	selector()
List<Selector>	selectorList()
void	semicolonTerminator()
void	setConditionFactory(org.w3c.css.sac.ConditionFactory conditionFactory)
void	setDocumentHandler(org.w3c.css.sac.DocumentHandler handler) Set the document handler for this parser
void	setErrorHandler(org.w3c.css.sac.ErrorHandler error) Set the error handler for this parser
void	setLocale(Locale locale)
void	setSelectorFactory(org.w3c.css.sac.SelectorFactory selectorFactory)
SimpleSelector	simple_nontype_selector()
SimpleSelectorSequence	simple_selector_sequence()
void	skipUnknownRule()
List<SassListItem>	stringTerm(char op)
void	styleRule()
void	styleRuleOrDeclarationOrNestedProperties()
List<SassListItem>	term()
void	topLevelDeclaration()
TypeSelector	type_selector()
char	unaryOperator()
LexicalUnitImpl	unicode()
LexicalUnitImpl	url()
void	variable()
String	variableName()
List<SassListItem>	variableTerm()
void	warnDirective()
void	whileDirective()

Methods inherited from class java.lang.Object

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

Field Detail

documentHandler

protected SCSSDocumentHandlerImpl documentHandler

errorHandler

protected org.w3c.css.sac.ErrorHandler errorHandler

source

protected org.w3c.css.sac.InputSource source

conditionFactory

protected org.w3c.css.sac.ConditionFactory conditionFactory

selectorFactory

protected org.w3c.css.sac.SelectorFactory selectorFactory

token_source

public ParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Detail

Parser

public Parser()

Creates a new Parser

Parser

public Parser(CharStream stream)

Constructor with user supplied CharStream.

Parser

public Parser(ParserTokenManager tm)

Constructor with generated Token Manager.

Method Detail

setLocale

public void setLocale(Locale locale)
               throws org.w3c.css.sac.CSSException

Specified by:

setLocale in interface org.w3c.css.sac.Parser

Throws:

org.w3c.css.sac.CSSException - Not yet implemented

getInputSource

public org.w3c.css.sac.InputSource getInputSource()

setDocumentHandler

public void setDocumentHandler(org.w3c.css.sac.DocumentHandler handler)

Set the document handler for this parser

Specified by:

setDocumentHandler in interface org.w3c.css.sac.Parser

setSelectorFactory

public void setSelectorFactory(org.w3c.css.sac.SelectorFactory selectorFactory)

Specified by:

setSelectorFactory in interface org.w3c.css.sac.Parser

setConditionFactory

public void setConditionFactory(org.w3c.css.sac.ConditionFactory conditionFactory)

Specified by:

setConditionFactory in interface org.w3c.css.sac.Parser

setErrorHandler

public void setErrorHandler(org.w3c.css.sac.ErrorHandler error)

Set the error handler for this parser

Specified by:

setErrorHandler in interface org.w3c.css.sac.Parser

parseStyleSheet

public void parseStyleSheet(org.w3c.css.sac.InputSource source)
                     throws org.w3c.css.sac.CSSException,
                            IOException

Main parse methods

Specified by:

parseStyleSheet in interface org.w3c.css.sac.Parser

Parameters:

source - the source of the style sheet.

Throws:

IOException - the source can't be parsed.

org.w3c.css.sac.CSSException - the source is not CSS valid.

parseStyleSheet

public void parseStyleSheet(String systemId)
                     throws org.w3c.css.sac.CSSException,
                            IOException

Convenient method for URIs.

Specified by:

parseStyleSheet in interface org.w3c.css.sac.Parser

Parameters:

systemId - the fully resolved URI of the style sheet.

Throws:

IOException - the source can't be parsed.

org.w3c.css.sac.CSSException - the source is not CSS valid.

parseRule

public void parseRule(org.w3c.css.sac.InputSource source)
               throws org.w3c.css.sac.CSSException,
                      IOException

This method parses only one rule (style rule or at-rule, except @charset).

Specified by:

parseRule in interface org.w3c.css.sac.Parser

Parameters:

source - the source of the rule.

Throws:

IOException - the source can't be parsed.

org.w3c.css.sac.CSSException - the source is not CSS valid.

parseStyleDeclaration

public void parseStyleDeclaration(org.w3c.css.sac.InputSource source)
                           throws org.w3c.css.sac.CSSException,
                                  IOException

This method parses a style declaration (including the surrounding curly braces).

Specified by:

parseStyleDeclaration in interface org.w3c.css.sac.Parser

Parameters:

source - the source of the style declaration.

Throws:

IOException - the source can't be parsed.

org.w3c.css.sac.CSSException - the source is not CSS valid.

getParserVersion

public String getParserVersion()

This methods returns "http://www.w3.org/TR/REC-CSS2".

Specified by:

getParserVersion in interface org.w3c.css.sac.Parser

Returns:

the string "http://www.w3.org/TR/REC-CSS2".

parseImportRule

public void parseImportRule(org.w3c.css.sac.InputSource source)
                     throws org.w3c.css.sac.CSSException,
                            IOException

Parse methods used by DOM Level 2 implementation.

Throws:

org.w3c.css.sac.CSSException

IOException

parseMediaRule

public void parseMediaRule(org.w3c.css.sac.InputSource source)
                    throws org.w3c.css.sac.CSSException,
                           IOException

Throws:

org.w3c.css.sac.CSSException

IOException

parseSelectors

public org.w3c.css.sac.SelectorList parseSelectors(org.w3c.css.sac.InputSource source)
                                            throws org.w3c.css.sac.CSSException,
                                                   IOException

Specified by:

parseSelectors in interface org.w3c.css.sac.Parser

Throws:

org.w3c.css.sac.CSSException

IOException

parseSCSSSelectors

public List<Selector> parseSCSSSelectors(org.w3c.css.sac.InputSource source)
                                  throws org.w3c.css.sac.CSSException,
                                         IOException

Throws:

org.w3c.css.sac.CSSException

IOException

parsePropertyValue

public org.w3c.css.sac.LexicalUnit parsePropertyValue(org.w3c.css.sac.InputSource source)
                                               throws org.w3c.css.sac.CSSException,
                                                      IOException

Specified by:

parsePropertyValue in interface org.w3c.css.sac.Parser

Throws:

org.w3c.css.sac.CSSException

IOException

parsePriority

public boolean parsePriority(org.w3c.css.sac.InputSource source)
                      throws org.w3c.css.sac.CSSException,
                             IOException

Specified by:

parsePriority in interface org.w3c.css.sac.Parser

Throws:

org.w3c.css.sac.CSSException

IOException

parserUnit

public final void parserUnit()
                      throws ParseException

The main entry for the parser.

Throws:

ParseException - exception during the parse

charset

public final void charset()
                   throws ParseException

Throws:

ParseException

topLevelDeclaration

public final void topLevelDeclaration()
                               throws ParseException

Throws:

ParseException

ignoreStatement

public final void ignoreStatement()
                           throws ParseException

Throws:

ParseException

importDeclaration

public final void importDeclaration()
                             throws ParseException

The import statement

Throws:

ParseException - exception during the parse

keyframes

public final void keyframes()
                     throws ParseException

Throws:

ParseException - exception during the parse

keyframeSelector

public final void keyframeSelector()
                            throws ParseException

Throws:

ParseException

media

public final void media()
                 throws ParseException

Throws:

ParseException - exception during the parse

mediaDirective

public final void mediaDirective()
                          throws ParseException

Throws:

ParseException

mediaStatement

public final void mediaStatement(MediaListImpl ml)
                          throws ParseException

Throws:

ParseException

medium

public final String medium()
                    throws ParseException

Throws:

ParseException - exception during the parse

page

public final void page()
                throws ParseException

Throws:

ParseException - exception during the parse

pseudo_page

public final String pseudo_page()
                         throws ParseException

Throws:

ParseException

fontFace

public final void fontFace()
                    throws ParseException

Throws:

ParseException

atRuleDeclaration

public final void atRuleDeclaration()
                             throws ParseException

Throws:

ParseException - exception during the parse

skipUnknownRule

public final void skipUnknownRule()
                           throws ParseException

Throws:

ParseException

combinator

public final Combinator combinator()
                            throws ParseException

Throws:

ParseException - exception during the parse

combinatorChar

public final Combinator combinatorChar()
                                throws ParseException

to refactor combinator and reuse in selector().

Throws:

ParseException

microsoftExtension

public final void microsoftExtension()
                              throws ParseException

Throws:

ParseException

property

public final String property()
                      throws ParseException

Throws:

ParseException - exception during the parse

propertyIdent

public final Token propertyIdent()
                          throws ParseException

Throws:

ParseException

variableName

public final String variableName()
                          throws ParseException

Throws:

ParseException

functionName

public final String functionName()
                          throws ParseException

Throws:

ParseException

styleRule

public final void styleRule()
                     throws ParseException

Throws:

ParseException - exception during the parse

selectorList

public final List<Selector> selectorList()
                                  throws ParseException

Throws:

ParseException

selector

public final Selector selector()
                        throws ParseException

Throws:

ParseException

simple_selector_sequence

public final SimpleSelectorSequence simple_selector_sequence()
                                                      throws ParseException

Throws:

ParseException

simple_nontype_selector

public final SimpleSelector simple_nontype_selector()
                                             throws ParseException

Throws:

ParseException

ident_interpolation_seq

public final String ident_interpolation_seq()
                                     throws ParseException

Throws:

ParseException

class_selector

public final SimpleSelector class_selector()
                                    throws ParseException

Throws:

ParseException

placeholder_selector

public final SimpleSelector placeholder_selector()
                                          throws ParseException

Throws:

ParseException

type_selector

public final TypeSelector type_selector()
                                 throws ParseException

Throws:

ParseException

attribute_selector

public final AttributeSelector attribute_selector()
                                           throws ParseException

Throws:

ParseException - exception during the parse

pseudo_selector

public final SimpleSelector pseudo_selector()
                                     throws ParseException

Throws:

ParseException

id_selector

public final IdSelector id_selector()
                             throws ParseException

Throws:

ParseException

variable

public final void variable()
                    throws ParseException

Throws:

ParseException

expressionList

public final SassList expressionList()
                              throws ParseException

Throws:

ParseException

expressionSubList

public final SassList expressionSubList()
                                 throws ParseException

Throws:

ParseException

controlDirective

public final void controlDirective()
                            throws ParseException

Throws:

ParseException

ifContentStatement

public final void ifContentStatement()
                              throws ParseException

Throws:

ParseException

ifDirective

public final void ifDirective()
                       throws ParseException

Throws:

ParseException

elseDirective

public final void elseDirective()
                         throws ParseException

Throws:

ParseException

eachDirective

public final void eachDirective()
                         throws ParseException

Throws:

ParseException

mixinDirective

public final void mixinDirective()
                          throws ParseException

Throws:

ParseException

functionDirective

public final void functionDirective()
                             throws ParseException

Throws:

ParseException

functionBlockStatement

public final void functionBlockStatement()
                                  throws ParseException

Throws:

ParseException

functionControlDirective

public final void functionControlDirective()
                                    throws ParseException

Throws:

ParseException

functionIfDirective

public final void functionIfDirective()
                               throws ParseException

Throws:

ParseException

functionElseDirective

public final void functionElseDirective()
                                 throws ParseException

Throws:

ParseException

functionEachDirective

public final void functionEachDirective()
                                 throws ParseException

Throws:

ParseException

functionForDirective

public final void functionForDirective()
                                throws ParseException

Throws:

ParseException

arglist

public final ArrayList<VariableNode> arglist()
                                      throws ParseException

Throws:

ParseException

mixinArg

public final VariableNode mixinArg()
                            throws ParseException

Throws:

ParseException

argValuelist

public final ArrayList<VariableNode> argValuelist()
                                           throws ParseException

Throws:

ParseException

argValueListItem

public final VariableNode argValueListItem()
                                    throws ParseException

Throws:

ParseException

returnDirective

public final void returnDirective()
                           throws ParseException

Throws:

ParseException

includeDirective

public final void includeDirective()
                            throws ParseException

Throws:

ParseException

semicolonTerminator

public final void semicolonTerminator()
                               throws ParseException

Throws:

ParseException

includeDirectiveBlockContents

public final void includeDirectiveBlockContents()
                                         throws ParseException

Throws:

ParseException

interpolation

public final String interpolation()
                           throws ParseException

Throws:

ParseException

debuggingDirective

public final void debuggingDirective()
                              throws ParseException

Throws:

ParseException

debugDirective

public final void debugDirective()
                          throws ParseException

Throws:

ParseException

warnDirective

public final void warnDirective()
                         throws ParseException

Throws:

ParseException

forDirective

public final void forDirective()
                        throws ParseException

Throws:

ParseException

whileDirective

public final void whileDirective()
                          throws ParseException

Throws:

ParseException

extendDirective

public final void extendDirective()
                           throws ParseException

Throws:

ParseException

contentDirective

public final void contentDirective()
                            throws ParseException

Throws:

ParseException

nestedProperties

public final void nestedProperties()
                            throws ParseException

Throws:

ParseException

styleRuleOrDeclarationOrNestedProperties

public final void styleRuleOrDeclarationOrNestedProperties()
                                                    throws ParseException

Throws:

ParseException - exception during the parse

declarationOrNestedProperties

public final void declarationOrNestedProperties()
                                         throws ParseException

Throws:

ParseException - exception during the parse

declaration

public final void declaration()
                       throws ParseException

Throws:

ParseException - exception during the parse

prio

public final boolean prio()
                   throws ParseException

Throws:

ParseException - exception during the parse

guarded

public final boolean guarded()
                      throws ParseException

Throws:

ParseException

operator

public final List<SassListItem> operator()
                                  throws ParseException

Throws:

ParseException - exception during the parse

expr

public final SassListItem expr()
                        throws ParseException

Throws:

ParseException

addExpressionTerm

public final void addExpressionTerm(List<SassListItem> items)
                             throws ParseException

Throws:

ParseException

parenthesizedExpression

public final SassListItem parenthesizedExpression()
                                           throws ParseException

Throws:

ParseException

arithmeticOrBooleanOperator

public final List<SassListItem> arithmeticOrBooleanOperator()
                                                     throws ParseException

Throws:

ParseException - exception during the parse

booleanOperator

public final List<SassListItem> booleanOperator()
                                         throws ParseException

Throws:

ParseException

nonCommaOperator

public final List<SassListItem> nonCommaOperator()
                                          throws ParseException

Throws:

ParseException - exception during the parse

numericExpr

public final SassListItem numericExpr()
                               throws ParseException

Throws:

ParseException - exception during the parse

unaryOperator

public final char unaryOperator()
                         throws ParseException

Throws:

ParseException - exception during the parse

term

public final List<SassListItem> term()
                              throws ParseException

Throws:

ParseException - exception during the parse

numericTerm

public final List<SassListItem> numericTerm()
                                     throws ParseException

Throws:

ParseException - exception during the parse

variableTerm

public final List<SassListItem> variableTerm()
                                      throws ParseException

Throws:

ParseException

nonVariableTerm

public final List<SassListItem> nonVariableTerm()
                                         throws ParseException

Throws:

ParseException

numberTerm

public final List<SassListItem> numberTerm(char op)
                                    throws ParseException

Throws:

ParseException

identInterpolationString

public final String identInterpolationString()
                                      throws ParseException

Throws:

ParseException

ident

public final Token ident()
                  throws ParseException

Throws:

ParseException

stringTerm

public final List<SassListItem> stringTerm(char op)
                                    throws ParseException

Throws:

ParseException

function

public final LexicalUnitImpl function(char operator)
                               throws ParseException

Handle all CSS2 functions.

Throws:

ParseException - exception during the parse

unicode

public final LexicalUnitImpl unicode()
                              throws ParseException

Throws:

ParseException

url

public final LexicalUnitImpl url()
                          throws ParseException

Throws:

ParseException

hexcolor

public final LexicalUnitImpl hexcolor()
                               throws ParseException

Throws:

ParseException - exception during the parse

_parseRule

public final void _parseRule()
                      throws ParseException

The following functions are useful for a DOM CSS implementation only and are not part of the general CSS2 parser.

Throws:

ParseException

_parseImportRule

public final void _parseImportRule()
                            throws ParseException

Throws:

ParseException

_parseMediaRule

public final void _parseMediaRule()
                           throws ParseException

Throws:

ParseException

_parseDeclarationBlock

public final void _parseDeclarationBlock()
                                  throws ParseException

Throws:

ParseException

_parseSelectors

public final List<Selector> _parseSelectors()
                                     throws ParseException

Throws:

ParseException

ReInit

public void ReInit(CharStream stream)

Reinitialise.

ReInit

public void ReInit(ParserTokenManager tm)

Reinitialise.

getNextToken

public final Token getNextToken()

Get the next Token.

getToken

public final Token getToken(int index)

Get the specific Token.

generateParseException

public ParseException generateParseException()

Generate ParseException.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.