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Interface org.w3c.css.sac.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.

Variable Index

SAC_ATTR: Attribute: attr(...).
SAC_CENTIMETER: Absolute length cm.
SAC_COUNTER_FUNCTION: function counter.
SAC_COUNTERS_FUNCTION: function counters.
SAC_DEGREE: Angle deg.
SAC_DIMENSION: unknown dimension.
SAC_EM: Relative lengthem.
SAC_EX: Relative lengthex.
SAC_FUNCTION: unknown function.
SAC_GRADIAN: Angle grad.
SAC_HERTZ: Frequency Hz.
SAC_IDENT: any identifier except inherit.
SAC_INCH: Absolute length in.
SAC_INHERIT: identifier inherit.
SAC_INTEGER: Integers.
SAC_KILOHERTZ: Frequency kHz.
SAC_MILLIMETER: Absolute length mm.
SAC_MILLISECOND: Time ms.
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: Percentage.
SAC_PICA: Absolute length pc.
SAC_PIXEL: Relative length px.
SAC_POINT: Absolute length pt.
SAC_RADIAN: Angle rad.
SAC_REAL: reals.
SAC_RECT_FUNCTION: function rect.
SAC_RGBCOLOR: RGB Colors.
SAC_SECOND: Time s.
SAC_STRING_VALUE: A string.
SAC_SUB_EXPRESSION: sub expressions (a) (a + b) (normal/none)
SAC_UNICODERANGE: A unicode range.
SAC_URI: URI: uri(...).

Method Index

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

Variables

SAC_OPERATOR_COMMA

 public static final short SAC_OPERATOR_COMMA

SAC_OPERATOR_PLUS

 public static final short SAC_OPERATOR_PLUS

SAC_OPERATOR_MINUS

 public static final short SAC_OPERATOR_MINUS

SAC_OPERATOR_MULTIPLY

 public static final short SAC_OPERATOR_MULTIPLY

SAC_OPERATOR_SLASH

 public static final short SAC_OPERATOR_SLASH

SAC_OPERATOR_MOD

 public static final short SAC_OPERATOR_MOD

SAC_OPERATOR_EXP

 public static final short SAC_OPERATOR_EXP

SAC_OPERATOR_LT

 public static final short SAC_OPERATOR_LT

SAC_OPERATOR_GT

 public static final short SAC_OPERATOR_GT

SAC_OPERATOR_LE

 public static final short SAC_OPERATOR_LE

SAC_OPERATOR_GE

 public static final short SAC_OPERATOR_GE

SAC_OPERATOR_TILDE

 public static final short SAC_OPERATOR_TILDE

SAC_INHERIT

 public static final short SAC_INHERIT

identifier inherit.

SAC_INTEGER

 public static final short SAC_INTEGER

Integers.

See Also:: getIntegerValue

SAC_REAL

 public static final short SAC_REAL

reals.

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_PIXEL

 public static final short SAC_PIXEL

Relative length px.

See Also:: getFloatValue, getDimensionUnitText

SAC_INCH

 public static final short SAC_INCH

Absolute length in.

See Also:: getFloatValue, getDimensionUnitText

SAC_CENTIMETER

 public static final short SAC_CENTIMETER

Absolute length cm.

See Also:: getFloatValue, getDimensionUnitText

SAC_MILLIMETER

 public static final short SAC_MILLIMETER

Absolute length mm.

See Also:: getFloatValue, getDimensionUnitText

SAC_POINT

 public static final short SAC_POINT

Absolute length pt.

See Also:: getFloatValue, getDimensionUnitText

SAC_PICA

 public static final short SAC_PICA

Absolute length pc.

See Also:: getFloatValue, getDimensionUnitText

SAC_PERCENTAGE

 public static final short SAC_PERCENTAGE

Percentage.

See Also:: getFloatValue, getDimensionUnitText

SAC_URI

 public static final short SAC_URI

URI: uri(...).

See Also:: getStringValue

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_RGBCOLOR

 public static final short SAC_RGBCOLOR

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

See Also:: getFunctionName, getParameters

SAC_DEGREE

 public static final short SAC_DEGREE

Angle deg.

See Also:: getFloatValue, getDimensionUnitText

SAC_GRADIAN

 public static final short SAC_GRADIAN

Angle grad.

See Also:: getFloatValue, getDimensionUnitText

SAC_RADIAN

 public static final short SAC_RADIAN

Angle rad.

See Also:: getFloatValue, getDimensionUnitText

SAC_MILLISECOND

 public static final short SAC_MILLISECOND

Time ms.

See Also:: getFloatValue, getDimensionUnitText

SAC_SECOND

 public static final short SAC_SECOND

Time s.

See Also:: getFloatValue, getDimensionUnitText

SAC_HERTZ

 public static final short SAC_HERTZ

Frequency Hz.

See Also:: getFloatValue, getDimensionUnitText

SAC_KILOHERTZ

 public static final short SAC_KILOHERTZ

Frequency kHz.

See Also:: getFloatValue, getDimensionUnitText

SAC_IDENT

 public static final short SAC_IDENT

any identifier except inherit.

See Also:: getStringValue

SAC_STRING_VALUE

 public static final short SAC_STRING_VALUE

A string.

See Also:: getStringValue

SAC_ATTR

 public static final short SAC_ATTR

Attribute: attr(...).

See Also:: getStringValue

SAC_RECT_FUNCTION

 public static final short SAC_RECT_FUNCTION

function rect.

See Also:: getFunctionName, getParameters

SAC_UNICODERANGE

 public static final short SAC_UNICODERANGE

A unicode range. @@TO BE DEFINED

SAC_SUB_EXPRESSION

 public static final short SAC_SUB_EXPRESSION

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

See Also:: getSubValues

SAC_FUNCTION

 public static final short SAC_FUNCTION

unknown function.

See Also:: getFunctionName, getParameters

SAC_DIMENSION

 public static final short SAC_DIMENSION

unknown dimension.

See Also:: getFloatValue, getDimensionUnitText

Methods

getLexicalUnitType

 public abstract short getLexicalUnitType()

An integer indicating the type of LexicalUnit.

getNextLexicalUnit

 public abstract LexicalUnit getNextLexicalUnit()

Returns the next value or null if any.

getPreviousLexicalUnit

 public abstract LexicalUnit getPreviousLexicalUnit()

Returns the previous value or null if any.

getIntegerValue

 public abstract int getIntegerValue()

Returns the integer value.

See Also:: SAC_INTEGER

getFloatValue

 public abstract 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

 public abstract 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

 public abstract String getFunctionName()

Returns the name of the function.

See Also:: SAC_COUNTER_FUNCTION, SAC_COUNTERS_FUNCTION, SAC_RECT_FUNCTION, SAC_FUNCTION, SAC_RGBCOLOR

getParameters

 public abstract 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

 public abstract 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, SAC_UNICODERANGE

getSubValues

 public abstract LexicalUnit getSubValues()

Returns a list of values inside the sub expression.

See Also:: SAC_SUB_EXPRESSION

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