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.

Field Summary
`static short`	`SAC_ATTR` Attribute: `attr(...)`.
`static short`	`SAC_CENTIMETER` Absolute length `cm`.
`static short`	`SAC_COUNTERS_FUNCTION` function `counters`.
`static short`	`SAC_COUNTER_FUNCTION` function `counter`.
`static short`	`SAC_DEGREE` Angle `deg`.
`static short`	`SAC_DIMENSION` unknown dimension.
`static short`	`SAC_EM` Relative length`em`.
`static short`	`SAC_EX` Relative length`ex`.
`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` <10
`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
`String`	`getDimensionUnitText()` Returns the string representation of the unit.
`float`	`getFloatValue()` Returns the float value.
`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.
`String`	`getStringValue()` Returns the string value.
`LexicalUnit`	`getSubValues()` Returns a list of values inside the sub expression.

SAC_ATTR

public static final short SAC_ATTR

Attribute: attr(...).
Field Value:
37
See Also:
getStringValue()

SAC_CENTIMETER

public static final short SAC_CENTIMETER

Absolute length cm.
Field Value:
19
See Also:
getFloatValue(), getDimensionUnitText()

SAC_COUNTERS_FUNCTION

public static final short SAC_COUNTERS_FUNCTION

function counters.
Field Value:
26
See Also:
getFunctionName(), getParameters()

SAC_COUNTER_FUNCTION

public static final short SAC_COUNTER_FUNCTION

function counter.
Field Value:
25
See Also:
getFunctionName(), getParameters()

SAC_DEGREE

public static final short SAC_DEGREE

Angle deg.
Field Value:
28
See Also:
getFloatValue(), getDimensionUnitText()

SAC_DIMENSION

public static final short SAC_DIMENSION

unknown dimension.
Field Value:
42
See Also:
getFloatValue(), getDimensionUnitText()

SAC_EM

public static final short SAC_EM

Relative lengthem.
Field Value:
15
See Also:
getFloatValue(), getDimensionUnitText()

SAC_EX

public static final short SAC_EX

Relative lengthex.
Field Value:
16
See Also:
getFloatValue(), getDimensionUnitText()

SAC_FUNCTION

public static final short SAC_FUNCTION

unknown function.
Field Value:
41
See Also:
getFunctionName(), getParameters()

SAC_GRADIAN

public static final short SAC_GRADIAN

Angle grad.
Field Value:
29
See Also:
getFloatValue(), getDimensionUnitText()

SAC_HERTZ

public static final short SAC_HERTZ

Frequency Hz.
Field Value:
33
See Also:
getFloatValue(), getDimensionUnitText()

SAC_IDENT

public static final short SAC_IDENT

any identifier except inherit.
Field Value:
35
See Also:
getStringValue()

SAC_INCH

public static final short SAC_INCH

Absolute length in.
Field Value:
18
See Also:
getFloatValue(), getDimensionUnitText()

SAC_INHERIT

public static final short SAC_INHERIT

identifier inherit.
Field Value:
12

SAC_INTEGER

public static final short SAC_INTEGER

Integers.
Field Value:
13
See Also:
getIntegerValue()

SAC_KILOHERTZ

public static final short SAC_KILOHERTZ

Frequency kHz.
Field Value:
34
See Also:
getFloatValue(), getDimensionUnitText()

SAC_MILLIMETER

public static final short SAC_MILLIMETER

Absolute length mm.
Field Value:
20
See Also:
getFloatValue(), getDimensionUnitText()

SAC_MILLISECOND

public static final short SAC_MILLISECOND

Time ms.
Field Value:
31
See Also:
getFloatValue(), getDimensionUnitText()

SAC_OPERATOR_COMMA

public static final short SAC_OPERATOR_COMMA

,
Field Value:
0

SAC_OPERATOR_EXP

public static final short SAC_OPERATOR_EXP

^
Field Value:
6

SAC_OPERATOR_GE

public static final short SAC_OPERATOR_GE

>=
Field Value:
10

SAC_OPERATOR_GT

public static final short SAC_OPERATOR_GT

>
Field Value:
8

SAC_OPERATOR_LE

public static final short SAC_OPERATOR_LE

<=
Field Value:
9

SAC_OPERATOR_LT

public static final short SAC_OPERATOR_LT

<10
Field Value:
7

SAC_OPERATOR_MINUS

public static final short SAC_OPERATOR_MINUS

-
Field Value:
2

SAC_OPERATOR_MOD

public static final short SAC_OPERATOR_MOD

%
Field Value:
5

SAC_OPERATOR_MULTIPLY

public static final short SAC_OPERATOR_MULTIPLY

*
Field Value:
3

SAC_OPERATOR_PLUS

public static final short SAC_OPERATOR_PLUS

+
Field Value:
1

SAC_OPERATOR_SLASH

public static final short SAC_OPERATOR_SLASH

/
Field Value:
4

SAC_OPERATOR_TILDE

public static final short SAC_OPERATOR_TILDE

~
Field Value:
11

SAC_PERCENTAGE

public static final short SAC_PERCENTAGE

Percentage.
Field Value:
23
See Also:
getFloatValue(), getDimensionUnitText()

SAC_PICA

public static final short SAC_PICA

Absolute length pc.
Field Value:
22
See Also:
getFloatValue(), getDimensionUnitText()

SAC_PIXEL

public static final short SAC_PIXEL

Relative length px.
Field Value:
17
See Also:
getFloatValue(), getDimensionUnitText()

SAC_POINT

public static final short SAC_POINT

Absolute length pt.
Field Value:
21
See Also:
getFloatValue(), getDimensionUnitText()

SAC_RADIAN

public static final short SAC_RADIAN

Angle rad.
Field Value:
30
See Also:
getFloatValue(), getDimensionUnitText()

SAC_REAL

public static final short SAC_REAL

reals.
Field Value:
14
See Also:
getFloatValue(), getDimensionUnitText()

SAC_RECT_FUNCTION

public static final short SAC_RECT_FUNCTION

function rect.
Field Value:
38
See Also:
getFunctionName(), getParameters()

SAC_RGBCOLOR

public static final short SAC_RGBCOLOR

RGB Colors. rgb(0, 0, 0) and #000
Field Value:
27
See Also:
getFunctionName(), getParameters()

SAC_SECOND

public static final short SAC_SECOND

Time s.
Field Value:
32
See Also:
getFloatValue(), getDimensionUnitText()

SAC_STRING_VALUE

public static final short SAC_STRING_VALUE

A string.
Field Value:
36
See Also:
getStringValue()

SAC_SUB_EXPRESSION

public static final short SAC_SUB_EXPRESSION

sub expressions (a) (a + b) (normal/none)
Field Value:
40
See Also:
getSubValues()

SAC_UNICODERANGE

public static final short SAC_UNICODERANGE

A unicode range. @@TO BE DEFINED
Field Value:
39

SAC_URI

public static final short SAC_URI

URI: uri(...).
Field Value:
24
See Also:
getStringValue()

getDimensionUnitText

public 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 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 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

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org.w3c.css.sac

Interface LexicalUnit

Field Summary

Method Summary

Field Details

SAC_ATTR

SAC_CENTIMETER

SAC_COUNTERS_FUNCTION

SAC_COUNTER_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 Details

getDimensionUnitText

getFloatValue

getFunctionName

getIntegerValue

getLexicalUnitType

getNextLexicalUnit

getParameters

getPreviousLexicalUnit

getStringValue

getSubValues