com.vaadin.sass.internal.parser
Class LexicalUnitImpl

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

All Implemented Interfaces:

SassListItem, SCSSLexicalUnit, Serializable, org.w3c.css.sac.LexicalUnit

public class LexicalUnitImpl
extends Object
implements org.w3c.css.sac.LexicalUnit, SCSSLexicalUnit, SassListItem, Serializable

Version:

$Revision: 1.3 $

Author:

Philippe Le Hegaret

See Also:

Serialized Form

Field Summary

static long

PRECISION

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

SAC_LEM, SAC_REM, SCSS_NULL, SCSS_OPERATOR_LEFT_PAREN, SCSS_OPERATOR_RIGHT_PAREN, SCSS_VARIABLE

Fields inherited from interface org.w3c.css.sac.LexicalUnit

SAC_ATTR, SAC_CENTIMETER, SAC_COUNTER_FUNCTION, SAC_COUNTERS_FUNCTION, SAC_DEGREE, SAC_DIMENSION, SAC_EM, SAC_EX, SAC_FUNCTION, SAC_GRADIAN, SAC_HERTZ, SAC_IDENT, SAC_INCH, SAC_INHERIT, SAC_INTEGER, SAC_KILOHERTZ, SAC_MILLIMETER, SAC_MILLISECOND, SAC_OPERATOR_COMMA, SAC_OPERATOR_EXP, SAC_OPERATOR_GE, SAC_OPERATOR_GT, SAC_OPERATOR_LE, SAC_OPERATOR_LT, SAC_OPERATOR_MINUS, SAC_OPERATOR_MOD, SAC_OPERATOR_MULTIPLY, SAC_OPERATOR_PLUS, SAC_OPERATOR_SLASH, SAC_OPERATOR_TILDE, SAC_PERCENTAGE, SAC_PICA, SAC_PIXEL, SAC_POINT, SAC_RADIAN, SAC_REAL, SAC_RECT_FUNCTION, SAC_RGBCOLOR, SAC_SECOND, SAC_STRING_VALUE, SAC_SUB_EXPRESSION, SAC_UNICODERANGE, SAC_URI

Method Summary

LexicalUnitImpl	add(LexicalUnitImpl another)
String	buildString(Node.BuildStringStrategy strategy) Return a string representation of this item using the given strategy of converting items to strings.
protected short	checkAndGetUnit(LexicalUnitImpl another)
static boolean	checkLexicalUnitType(SassListItem item, short... lexicalUnitTypes)
boolean	containsArithmeticalOperator() Checks whether the item contains an arithmetic expression.
LexicalUnitImpl	copy() Returns a shallow copy of the LexicalUnitImpl with null as next lexical unit pointer.
LexicalUnitImpl	copyWithValue(float value)
static LexicalUnitImpl	createAdd(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createAttr(int line, int column, LexicalUnitImpl previous, String s)
static LexicalUnitImpl	createCM(int line, int column, LexicalUnitImpl previous, float v)
static LexicalUnitImpl	createComma(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createFunction(int line, int column, LexicalUnitImpl previous, String fname, SassList params)
static LexicalUnitImpl	createIdent(int line, int column, LexicalUnitImpl previous, String s)
static LexicalUnitImpl	createIdent(String s)
static LexicalUnitImpl	createInteger(int line, int column, LexicalUnitImpl previous, int i)
static LexicalUnitImpl	createLeftParenthesis(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createMinus(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createModulo(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createMultiply(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createNull(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createNumber(int line, int column, LexicalUnitImpl previous, float v)
static LexicalUnitImpl	createPercentage(int line, int column, LexicalUnitImpl previous, float v)
static LexicalUnitImpl	createPX(int line, int column, LexicalUnitImpl previous, float v)
static LexicalUnitImpl	createRect(int line, int column, LexicalUnitImpl previous, SassList params)
static LexicalUnitImpl	createRGBColor(int line, int column, LexicalUnitImpl previous, SassList params)
static LexicalUnitImpl	createRightParenthesis(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createSlash(int line, int column, LexicalUnitImpl previous)
static LexicalUnitImpl	createString(String s)
static LexicalUnitImpl	createUnicodeRange(int line, int column, org.w3c.css.sac.LexicalUnit previous, org.w3c.css.sac.LexicalUnit params)
static LexicalUnitImpl	createVariable(int line, int column, LexicalUnitImpl previous, String name)
LexicalUnitImpl	divide(LexicalUnitImpl denominator)
boolean	equals(Object o)
LexicalUnitImpl	evaluateArithmeticExpressions() Evaluates the arithmetic expressions of this item without modifying this item.
int	getColumnNumber()
LexicalUnitImpl	getContainedValue()
short	getDimension()
String	getDimensionUnitText()
String	getFloatOrInteger() Returns the float value as a string unless the value is an integer.
float	getFloatValue()
String	getFunctionName()
int	getIntegerValue()
short	getLexicalUnitType()
int	getLineNumber()
LexicalUnitImpl	getNextLexicalUnit()
SassList	getParameterList()
LexicalUnitImpl	getParameters()
LexicalUnitImpl	getPreviousLexicalUnit() Deprecated.
String	getSdimension()
String	getStringValue()
LexicalUnitImpl	getSubValues()
int	hashCode()
LexicalUnitImpl	minus(LexicalUnitImpl another)
LexicalUnitImpl	modulo(LexicalUnitImpl another)
LexicalUnitImpl	multiply(LexicalUnitImpl another)
String	printState() Prints out the current state of the node tree.
SassListItem	replaceChains() Returns an object that is otherwise similar to this but chains of LexicalUnitImpl objects have been replaced with SassExpressions representing the same expressions.
SassListItem	replaceFunctions() Returns a new item that is the result of evaluating all functions in this item.
SassListItem	replaceVariables(Collection<VariableNode> variables) Returns a new item that is otherwise equal to this one but all occurrences of the given variables have been replaced by the values given in the VariableNodes.
String	toString()
String	unquotedString() Returns a string representation of this item with surrounding quotation marks of the same type (" or ') removed.
void	updateUrl(String prefix) Updates all url's of this item by, e.g., adding the prefix to an url not starting with slash "/" and not containing the symbol ":".

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

PRECISION

public static final long PRECISION

See Also:

Constant Field Values

Method Detail

getLineNumber

public int getLineNumber()

Specified by:

getLineNumber in interface SassListItem

getColumnNumber

public int getColumnNumber()

Specified by:

getColumnNumber in interface SassListItem

getLexicalUnitType

public short getLexicalUnitType()

Specified by:

getLexicalUnitType in interface org.w3c.css.sac.LexicalUnit

getNextLexicalUnit

public LexicalUnitImpl getNextLexicalUnit()

Specified by:

getNextLexicalUnit in interface org.w3c.css.sac.LexicalUnit

getPreviousLexicalUnit

@Deprecated
public LexicalUnitImpl getPreviousLexicalUnit()

Deprecated.

Specified by:

getPreviousLexicalUnit in interface org.w3c.css.sac.LexicalUnit

getIntegerValue

public int getIntegerValue()

Specified by:

getIntegerValue in interface org.w3c.css.sac.LexicalUnit

getFloatValue

public float getFloatValue()

Specified by:

getFloatValue in interface org.w3c.css.sac.LexicalUnit

getFloatOrInteger

public String getFloatOrInteger()

Returns the float value as a string unless the value is an integer. In that case returns the integer value as a string.

Returns:

a string representing the value, either with or without decimals

getDimensionUnitText

public String getDimensionUnitText()

Specified by:

getDimensionUnitText in interface org.w3c.css.sac.LexicalUnit

getStringValue

public String getStringValue()

Specified by:

getStringValue in interface org.w3c.css.sac.LexicalUnit

getFunctionName

public String getFunctionName()

Specified by:

getFunctionName in interface org.w3c.css.sac.LexicalUnit

getParameters

public LexicalUnitImpl getParameters()

Specified by:

getParameters in interface org.w3c.css.sac.LexicalUnit

getParameterList

public SassList getParameterList()

getSubValues

public LexicalUnitImpl getSubValues()

Specified by:

getSubValues in interface org.w3c.css.sac.LexicalUnit

printState

public String printState()

Prints out the current state of the node tree. Will return SCSS before compile and CSS after. Result value could be null.

Specified by:

printState in interface SassListItem

Returns:

State as a string

toString

public String toString()

Overrides:

toString in class Object

unquotedString

public String unquotedString()

Description copied from interface: SassListItem

Returns a string representation of this item with surrounding quotation marks of the same type (" or ') removed. Quotation marks are only removed from a single item or a list containing a single element and only one pair of quotation marks is removed.

Specified by:

unquotedString in interface SassListItem

Returns:

An unquoted string representation of this item.

divide

public LexicalUnitImpl divide(LexicalUnitImpl denominator)

add

public LexicalUnitImpl add(LexicalUnitImpl another)

minus

public LexicalUnitImpl minus(LexicalUnitImpl another)

multiply

public LexicalUnitImpl multiply(LexicalUnitImpl another)

checkAndGetUnit

protected short checkAndGetUnit(LexicalUnitImpl another)

modulo

public LexicalUnitImpl modulo(LexicalUnitImpl another)

copy

public LexicalUnitImpl copy()

Returns a shallow copy of the LexicalUnitImpl with null as next lexical unit pointer. Parameters are not copied but a reference to the same parameter list is used.

Returns:

copy of this without next

copyWithValue

public LexicalUnitImpl copyWithValue(float value)

getDimension

public short getDimension()

getSdimension

public String getSdimension()

createVariable

public static LexicalUnitImpl createVariable(int line,
                                             int column,
                                             LexicalUnitImpl previous,
                                             String name)

createNull

public static LexicalUnitImpl createNull(int line,
                                         int column,
                                         LexicalUnitImpl previous)

createNumber

public static LexicalUnitImpl createNumber(int line,
                                           int column,
                                           LexicalUnitImpl previous,
                                           float v)

createInteger

public static LexicalUnitImpl createInteger(int line,
                                            int column,
                                            LexicalUnitImpl previous,
                                            int i)

createPercentage

public static LexicalUnitImpl createPercentage(int line,
                                               int column,
                                               LexicalUnitImpl previous,
                                               float v)

createPX

public static LexicalUnitImpl createPX(int line,
                                       int column,
                                       LexicalUnitImpl previous,
                                       float v)

createCM

public static LexicalUnitImpl createCM(int line,
                                       int column,
                                       LexicalUnitImpl previous,
                                       float v)

createIdent

public static LexicalUnitImpl createIdent(int line,
                                          int column,
                                          LexicalUnitImpl previous,
                                          String s)

createString

public static LexicalUnitImpl createString(String s)

createAttr

public static LexicalUnitImpl createAttr(int line,
                                         int column,
                                         LexicalUnitImpl previous,
                                         String s)

createRGBColor

public static LexicalUnitImpl createRGBColor(int line,
                                             int column,
                                             LexicalUnitImpl previous,
                                             SassList params)

createRect

public static LexicalUnitImpl createRect(int line,
                                         int column,
                                         LexicalUnitImpl previous,
                                         SassList params)

createFunction

public static LexicalUnitImpl createFunction(int line,
                                             int column,
                                             LexicalUnitImpl previous,
                                             String fname,
                                             SassList params)

checkLexicalUnitType

public static boolean checkLexicalUnitType(SassListItem item,
                                           short... lexicalUnitTypes)

createUnicodeRange

public static LexicalUnitImpl createUnicodeRange(int line,
                                                 int column,
                                                 org.w3c.css.sac.LexicalUnit previous,
                                                 org.w3c.css.sac.LexicalUnit params)

createComma

public static LexicalUnitImpl createComma(int line,
                                          int column,
                                          LexicalUnitImpl previous)

createSlash

public static LexicalUnitImpl createSlash(int line,
                                          int column,
                                          LexicalUnitImpl previous)

createAdd

public static LexicalUnitImpl createAdd(int line,
                                        int column,
                                        LexicalUnitImpl previous)

createMinus

public static LexicalUnitImpl createMinus(int line,
                                          int column,
                                          LexicalUnitImpl previous)

createMultiply

public static LexicalUnitImpl createMultiply(int line,
                                             int column,
                                             LexicalUnitImpl previous)

createModulo

public static LexicalUnitImpl createModulo(int line,
                                           int column,
                                           LexicalUnitImpl previous)

createLeftParenthesis

public static LexicalUnitImpl createLeftParenthesis(int line,
                                                    int column,
                                                    LexicalUnitImpl previous)

createRightParenthesis

public static LexicalUnitImpl createRightParenthesis(int line,
                                                     int column,
                                                     LexicalUnitImpl previous)

createIdent

public static LexicalUnitImpl createIdent(String s)

replaceVariables

public SassListItem replaceVariables(Collection<VariableNode> variables)

Description copied from interface: SassListItem

Returns a new item that is otherwise equal to this one but all occurrences of the given variables have been replaced by the values given in the VariableNodes. Does not modify this item.

Specified by:

replaceVariables in interface SassListItem

Returns:

A SassListItem where all occurrences of variables have been replaced by their values.

replaceFunctions

public SassListItem replaceFunctions()

Description copied from interface: SassListItem

Returns a new item that is the result of evaluating all functions in this item. Does not modify this item. If the item does not change as a result of evaluating functions, an implementation can return the item itself. Otherwise a new item should be returned. For a list with both changed and unchanged items, the unchanged items can be references to the same objects as in the original list.

Specified by:

replaceFunctions in interface SassListItem

buildString

public String buildString(Node.BuildStringStrategy strategy)

Description copied from interface: SassListItem

Return a string representation of this item using the given strategy of converting items to strings. See LexicalUnitImpl#buildString(BuildStringStrategy).

Specified by:

buildString in interface SassListItem

Parameters:

strategy - Specifies how an item is converted to a string. The strategy may use the toString- and printState-methods.

Returns:

A string representation of this string.

containsArithmeticalOperator

public boolean containsArithmeticalOperator()

Description copied from interface: SassListItem

Checks whether the item contains an arithmetic expression.

Specified by:

containsArithmeticalOperator in interface SassListItem

evaluateArithmeticExpressions

public LexicalUnitImpl evaluateArithmeticExpressions()

Description copied from interface: SassListItem

Evaluates the arithmetic expressions of this item without modifying this item.

Specified by:

evaluateArithmeticExpressions in interface SassListItem

Returns:

For single values, the result of the arithmetic expression. For a list, a copy of the list where the arithmetic expressions have been replaced with their evaluated values.

updateUrl

public void updateUrl(String prefix)

Description copied from interface: SassListItem

Updates all url's of this item by, e.g., adding the prefix to an url not starting with slash "/" and not containing the symbol ":". This is a mutating method, i.e. it modifies the contents of the current object.

Specified by:

updateUrl in interface SassListItem

Parameters:

prefix - The prefix to be added.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getContainedValue

public LexicalUnitImpl getContainedValue()

Specified by:

getContainedValue in interface SassListItem

replaceChains

public SassListItem replaceChains()

Description copied from interface: SassListItem

Returns an object that is otherwise similar to this but chains of LexicalUnitImpl objects have been replaced with SassExpressions representing the same expressions.

Specified by:

replaceChains in interface SassListItem

Returns:

An object equivalent to this but with chains of LexicalUnitImpl objects replaced with corresponding SassExpressions.