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: 477010 $
Author:
Philippe Le Hegaret

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
          <
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_OPERATOR_COMMA

static final short SAC_OPERATOR_COMMA
,

See Also:
Constant Field Values

SAC_OPERATOR_PLUS

static final short SAC_OPERATOR_PLUS
+

See Also:
Constant Field Values

SAC_OPERATOR_MINUS

static final short SAC_OPERATOR_MINUS
-

See Also:
Constant Field Values

SAC_OPERATOR_MULTIPLY

static final short SAC_OPERATOR_MULTIPLY
*

See Also:
Constant Field Values

SAC_OPERATOR_SLASH

static final short SAC_OPERATOR_SLASH
/

See Also:
Constant Field Values

SAC_OPERATOR_MOD

static final short SAC_OPERATOR_MOD
%

See Also:
Constant Field Values

SAC_OPERATOR_EXP

static final short SAC_OPERATOR_EXP
^

See Also:
Constant Field Values

SAC_OPERATOR_LT

static final short SAC_OPERATOR_LT
<

See Also:
Constant Field Values

SAC_OPERATOR_GT

static final short SAC_OPERATOR_GT
>

See Also:
Constant Field Values

SAC_OPERATOR_LE

static final short SAC_OPERATOR_LE
<=

See Also:
Constant Field Values

SAC_OPERATOR_GE

static final short SAC_OPERATOR_GE
>=

See Also:
Constant Field Values

SAC_OPERATOR_TILDE

static final short SAC_OPERATOR_TILDE
~

See Also:
Constant Field Values

SAC_INHERIT

static final short SAC_INHERIT
identifier inherit.

See Also:
Constant Field Values

SAC_INTEGER

static final short SAC_INTEGER
Integers.

See Also:
getIntegerValue(), Constant Field Values

SAC_REAL

static final short SAC_REAL
reals.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_EM

static final short SAC_EM
Relative lengthem.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_EX

static final short SAC_EX
Relative lengthex.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_PIXEL

static final short SAC_PIXEL
Relative length px.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_INCH

static final short SAC_INCH
Absolute length in.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_CENTIMETER

static final short SAC_CENTIMETER
Absolute length cm.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_MILLIMETER

static final short SAC_MILLIMETER
Absolute length mm.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_POINT

static final short SAC_POINT
Absolute length pt.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_PICA

static final short SAC_PICA
Absolute length pc.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_PERCENTAGE

static final short SAC_PERCENTAGE
Percentage.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_URI

static final short SAC_URI
URI: uri(...).

See Also:
getStringValue(), Constant Field Values

SAC_COUNTER_FUNCTION

static final short SAC_COUNTER_FUNCTION
function counter.

See Also:
getFunctionName(), getParameters(), Constant Field Values

SAC_COUNTERS_FUNCTION

static final short SAC_COUNTERS_FUNCTION
function counters.

See Also:
getFunctionName(), getParameters(), Constant Field Values

SAC_RGBCOLOR

static final short SAC_RGBCOLOR
RGB Colors. rgb(0, 0, 0) and #000

See Also:
getFunctionName(), getParameters(), Constant Field Values

SAC_DEGREE

static final short SAC_DEGREE
Angle deg.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_GRADIAN

static final short SAC_GRADIAN
Angle grad.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_RADIAN

static final short SAC_RADIAN
Angle rad.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_MILLISECOND

static final short SAC_MILLISECOND
Time ms.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_SECOND

static final short SAC_SECOND
Time s.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_HERTZ

static final short SAC_HERTZ
Frequency Hz.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_KILOHERTZ

static final short SAC_KILOHERTZ
Frequency kHz.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values

SAC_IDENT

static final short SAC_IDENT
any identifier except inherit.

See Also:
getStringValue(), Constant Field Values

SAC_STRING_VALUE

static final short SAC_STRING_VALUE
A string.

See Also:
getStringValue(), Constant Field Values

SAC_ATTR

static final short SAC_ATTR
Attribute: attr(...).

See Also:
getStringValue(), Constant Field Values

SAC_RECT_FUNCTION

static final short SAC_RECT_FUNCTION
function rect.

See Also:
getFunctionName(), getParameters(), Constant Field Values

SAC_UNICODERANGE

static final short SAC_UNICODERANGE
A unicode range. @@TO BE DEFINED

See Also:
Constant Field Values

SAC_SUB_EXPRESSION

static final short SAC_SUB_EXPRESSION
sub expressions (a) (a + b) (normal/none)

See Also:
getSubValues(), Constant Field Values

SAC_FUNCTION

static final short SAC_FUNCTION
unknown function.

See Also:
getFunctionName(), getParameters(), Constant Field Values

SAC_DIMENSION

static final short SAC_DIMENSION
unknown dimension.

See Also:
getFloatValue(), getDimensionUnitText(), Constant Field Values
Method Detail

getLexicalUnitType

short getLexicalUnitType()
An integer indicating the type of LexicalUnit.


getNextLexicalUnit

LexicalUnit getNextLexicalUnit()
Returns the next value or null if any.


getPreviousLexicalUnit

LexicalUnit getPreviousLexicalUnit()
Returns the previous value or null if any.


getIntegerValue

int getIntegerValue()
Returns the integer value.

See Also:
SAC_INTEGER

getFloatValue

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

getDimensionUnitText

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

getFunctionName

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

getParameters

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

getStringValue

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

LexicalUnit getSubValues()
Returns a list of values inside the sub expression.

See Also:
SAC_SUB_EXPRESSION