org.w3c.css.sac
Interface LexicalUnit

public interface LexicalUnit

This is a lexical unit for CSS values.

Remarks: Not all the following lexical units are supported (or will be supported) by CSS.

All examples are CSS2 compliant.

Version:

$Revision: 1.9 $

Field Summary

static short	SAC_ATTR Attribute: attr(...).
static short	SAC_CENTIMETER Absolute length cm.
static short	SAC_COUNTER_FUNCTION function counter.
static short	SAC_COUNTERS_FUNCTION function counters.
static short	SAC_DEGREE Angle deg.
static short	SAC_DIMENSION unknown dimension.
static short	SAC_EM Relative lengthem.
static short	SAC_EX Relative lengthex.
static short	SAC_FUNCTION unknown function.
static short	SAC_GRADIAN Angle grad.
static short	SAC_HERTZ Frequency Hz.
static short	SAC_IDENT any identifier except inherit.
static short	SAC_INCH Absolute length in.
static short	SAC_INHERIT identifier inherit.
static short	SAC_INTEGER Integers.
static short	SAC_KILOHERTZ Frequency kHz.
static short	SAC_MILLIMETER Absolute length mm.
static short	SAC_MILLISECOND Time ms.
static short	SAC_OPERATOR_COMMA ,
static short	SAC_OPERATOR_EXP ^
static short	SAC_OPERATOR_GE >=
static short	SAC_OPERATOR_GT >
static short	SAC_OPERATOR_LE <=
static short	SAC_OPERATOR_LT <</TD>
static short	SAC_OPERATOR_MINUS -
static short	SAC_OPERATOR_MOD %
static short	SAC_OPERATOR_MULTIPLY *
static short	SAC_OPERATOR_PLUS +
static short	SAC_OPERATOR_SLASH /
static short	SAC_OPERATOR_TILDE ~
static short	SAC_PERCENTAGE Percentage.
static short	SAC_PICA Absolute length pc.
static short	SAC_PIXEL Relative length px.
static short	SAC_POINT Absolute length pt.
static short	SAC_RADIAN Angle rad.
static short	SAC_REAL reals.
static short	SAC_RECT_FUNCTION function rect.
static short	SAC_RGBCOLOR RGB Colors.
static short	SAC_SECOND Time s.
static short	SAC_STRING_VALUE A string.
static short	SAC_SUB_EXPRESSION sub expressions (a) (a + b) (normal/none)
static short	SAC_UNICODERANGE A unicode range.
static short	SAC_URI URI: uri(...).

Method Summary

java.lang.String	getDimensionUnitText() Returns the string representation of the unit.
float	getFloatValue() Returns the float value.
java.lang.String	getFunctionName() Returns the name of the function.
int	getIntegerValue() Returns the integer value.
short	getLexicalUnitType() An integer indicating the type of LexicalUnit.
LexicalUnit	getNextLexicalUnit() Returns the next value or null if any.
LexicalUnit	getParameters() The function parameters including operators (like the comma).
LexicalUnit	getPreviousLexicalUnit() Returns the previous value or null if any.
java.lang.String	getStringValue() Returns the string value.
LexicalUnit	getSubValues() Returns a list of values inside the sub expression.

Field Detail

SAC_ATTR

public static final short SAC_ATTR

Attribute: attr(...).

See Also:

getStringValue()

SAC_CENTIMETER

public static final short SAC_CENTIMETER

Absolute length cm.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_COUNTER_FUNCTION

public static final short SAC_COUNTER_FUNCTION

function counter.

See Also:

getFunctionName(), getParameters()

SAC_COUNTERS_FUNCTION

public static final short SAC_COUNTERS_FUNCTION

function counters.

See Also:

getFunctionName(), getParameters()

SAC_DEGREE

public static final short SAC_DEGREE

Angle deg.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_DIMENSION

public static final short SAC_DIMENSION

unknown dimension.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_EM

public static final short SAC_EM

Relative lengthem.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_EX

public static final short SAC_EX

Relative lengthex.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_FUNCTION

public static final short SAC_FUNCTION

unknown function.

See Also:

getFunctionName(), getParameters()

SAC_GRADIAN

public static final short SAC_GRADIAN

Angle grad.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_HERTZ

public static final short SAC_HERTZ

Frequency Hz.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_IDENT

public static final short SAC_IDENT

any identifier except inherit.

See Also:

getStringValue()

SAC_INCH

public static final short SAC_INCH

Absolute length in.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_INHERIT

public static final short SAC_INHERIT

identifier inherit.

SAC_INTEGER

public static final short SAC_INTEGER

Integers.

See Also:

getIntegerValue()

SAC_KILOHERTZ

public static final short SAC_KILOHERTZ

Frequency kHz.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_MILLIMETER

public static final short SAC_MILLIMETER

Absolute length mm.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_MILLISECOND

public static final short SAC_MILLISECOND

Time ms.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_OPERATOR_COMMA

public static final short SAC_OPERATOR_COMMA

,

SAC_OPERATOR_EXP

public static final short SAC_OPERATOR_EXP

^

SAC_OPERATOR_GE

public static final short SAC_OPERATOR_GE

>=

SAC_OPERATOR_GT

public static final short SAC_OPERATOR_GT

>

SAC_OPERATOR_LE

public static final short SAC_OPERATOR_LE

<=

SAC_OPERATOR_LT

public static final short SAC_OPERATOR_LT

<</DL>

SAC_OPERATOR_MINUS

public static final short SAC_OPERATOR_MINUS

-

SAC_OPERATOR_MOD

public static final short SAC_OPERATOR_MOD

%

SAC_OPERATOR_MULTIPLY

public static final short SAC_OPERATOR_MULTIPLY

*

SAC_OPERATOR_PLUS

public static final short SAC_OPERATOR_PLUS

+

SAC_OPERATOR_SLASH

public static final short SAC_OPERATOR_SLASH

/

SAC_OPERATOR_TILDE

public static final short SAC_OPERATOR_TILDE

~

SAC_PERCENTAGE

public static final short SAC_PERCENTAGE

Percentage.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_PICA

public static final short SAC_PICA

Absolute length pc.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_PIXEL

public static final short SAC_PIXEL

Relative length px.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_POINT

public static final short SAC_POINT

Absolute length pt.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_RADIAN

public static final short SAC_RADIAN

Angle rad.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_REAL

public static final short SAC_REAL

reals.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_RECT_FUNCTION

public static final short SAC_RECT_FUNCTION

function rect.

See Also:

getFunctionName(), getParameters()

SAC_RGBCOLOR

public static final short SAC_RGBCOLOR

RGB Colors. rgb(0, 0, 0) and #000

See Also:

getFunctionName(), getParameters()

SAC_SECOND

public static final short SAC_SECOND

Time s.

See Also:

getFloatValue(), getDimensionUnitText()

SAC_STRING_VALUE

public static final short SAC_STRING_VALUE

A string.

See Also:

getStringValue()

SAC_SUB_EXPRESSION

public static final short SAC_SUB_EXPRESSION

sub expressions (a) (a + b) (normal/none)

See Also:

getSubValues()

SAC_UNICODERANGE

public static final short SAC_UNICODERANGE

A unicode range. @@TO BE DEFINED

SAC_URI

public static final short SAC_URI

URI: uri(...).

See Also:

getStringValue()

Method Detail

getDimensionUnitText

public java.lang.String getDimensionUnitText()

Returns the string representation of the unit.

if this lexical unit represents a float, the dimension is an empty string.

See Also:

SAC_REAL, SAC_DIMENSION, SAC_EM, SAC_EX, SAC_PIXEL, SAC_INCH, SAC_CENTIMETER, SAC_MILLIMETER, SAC_POINT, SAC_PICA, SAC_PERCENTAGE, SAC_DEGREE, SAC_GRADIAN, SAC_RADIAN, SAC_MILLISECOND, SAC_SECOND, SAC_HERTZ, SAC_KILOHERTZ

getFloatValue

public float getFloatValue()

Returns the float value.

If the type of LexicalUnit is one of SAC_DEGREE, SAC_GRADIAN, SAC_RADIAN, SAC_MILLISECOND, SAC_SECOND, SAC_HERTZ or SAC_KILOHERTZ, the value can never be negative.

See Also:

SAC_REAL, SAC_DIMENSION, SAC_EM, SAC_EX, SAC_PIXEL, SAC_INCH, SAC_CENTIMETER, SAC_MILLIMETER, SAC_POINT, SAC_PICA, SAC_PERCENTAGE, SAC_DEGREE, SAC_GRADIAN, SAC_RADIAN, SAC_MILLISECOND, SAC_SECOND, SAC_HERTZ, SAC_KILOHERTZ

getFunctionName

public java.lang.String getFunctionName()

Returns the name of the function.

See Also:

SAC_COUNTER_FUNCTION, SAC_COUNTERS_FUNCTION, SAC_RECT_FUNCTION, SAC_FUNCTION, SAC_RGBCOLOR

getIntegerValue

public int getIntegerValue()

Returns the integer value.

See Also:

SAC_INTEGER

getLexicalUnitType

public short getLexicalUnitType()

An integer indicating the type of LexicalUnit.

getNextLexicalUnit

public LexicalUnit getNextLexicalUnit()

Returns the next value or null if any.

getParameters

public LexicalUnit getParameters()

The function parameters including operators (like the comma). #000 is converted to rgb(0, 0, 0) can return null if SAC_FUNCTION.

See Also:

SAC_COUNTER_FUNCTION, SAC_COUNTERS_FUNCTION, SAC_RECT_FUNCTION, SAC_FUNCTION, SAC_RGBCOLOR

getPreviousLexicalUnit

public LexicalUnit getPreviousLexicalUnit()

Returns the previous value or null if any.

getStringValue

public java.lang.String getStringValue()

Returns the string value.

If the type is SAC_URI, the return value doesn't contain uri(....) or quotes.

If the type is SAC_ATTR, the return value doesn't contain attr(....).

See Also:

SAC_URI, SAC_ATTR, SAC_IDENT, SAC_STRING_VALUE, @@TO BE DEFINED

getSubValues

public LexicalUnit getSubValues()

Returns a list of values inside the sub expression.

See Also:

SAC_SUB_EXPRESSION