Package org.jparsec.pattern

Class CharPredicates

java.lang.Object

org.jparsec.pattern.CharPredicates

public final class CharPredicates
extends Object

Provides common CharPredicate implementations.

Field Summary

Fields

Modifier and Type	Field	Description
static final CharPredicate	ALWAYS	A CharPredicate that always returns true.
static final CharPredicate	IS_ALPHA	A CharPredicate that returns true if the character is an alpha character.
static final CharPredicate	IS_ALPHA_	A CharPredicate that returns true if it is an alpha character or the underscore character _.
static final CharPredicate	IS_ALPHA_NUMERIC	A CharPredicate that returns true if it is an alphanumeric character, or an underscore character.
static final CharPredicate	IS_ALPHA_NUMERIC_	A CharPredicate that returns true if it is an alphanumeric character, or an underscore character.
static final CharPredicate	IS_DIGIT	A CharPredicate that returns true if the character is a digit.
static final CharPredicate	IS_HEX_DIGIT	A CharPredicate that returns true if the character is a digit or within the range of [a-f] or [A-F].
static final CharPredicate	IS_LETTER	A CharPredicate that returns true if Character.isLetter(char) returns true.
static final CharPredicate	IS_LOWER_CASE	A CharPredicate that returns true if Character.isLowerCase(char) returns true.
static final CharPredicate	IS_UPPER_CASE	A CharPredicate that returns true if Character.isUpperCase(char) returns true.
static final CharPredicate	IS_WHITESPACE	A CharPredicate that returns true if Character.isWhitespace(char) returns true.
static final CharPredicate	NEVER	A CharPredicate that always returns false.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CharPredicates()

Method Summary

Modifier and Type	Method	Description
static CharPredicate	among(String chars)	A CharPredicate that returns true if the character is equal to any character in chars.
static CharPredicate	and(CharPredicate... predicates)	A CharPredicate that returns true if all CharPredicate in predicates evaluate to true.
static CharPredicate	and(CharPredicate predicate1, CharPredicate predicate2)	A CharPredicate that returns true if both predicate1 and predicate2 evaluates to true.
static CharPredicate	isChar(char c)	A CharPredicate that returns true if the character is equal to c.
static CharPredicate	not(CharPredicate predicate)	A CharPredicate that returns true if predicate evaluates to false.
static CharPredicate	notAmong(String chars)	A CharPredicate that returns true if the character is not equal to any character in chars.
static CharPredicate	notChar(char c)	A CharPredicate that returns true if the character is not equal to c.
static CharPredicate	notRange(char a, char b)	A CharPredicate that returns true if the character is not within the range of [a, b].
static CharPredicate	or(CharPredicate... predicates)	A CharPredicate that returns true if any CharPredicate in predicates evaluates to true.
static CharPredicate	or(CharPredicate predicate1, CharPredicate predicate2)	A CharPredicate that returns true if either predicate1 or predicate2 evaluates to true.
static CharPredicate	range(char a, char b)	A CharPredicate that returns true if the character is within the range of [a, b].

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

NEVER

public static final CharPredicate NEVER

A CharPredicate that always returns false.

ALWAYS

public static final CharPredicate ALWAYS

A CharPredicate that always returns true.

IS_HEX_DIGIT

public static final CharPredicate IS_HEX_DIGIT

A CharPredicate that returns true if the character is a digit or within the range of [a-f] or [A-F].

IS_UPPER_CASE

public static final CharPredicate IS_UPPER_CASE

A CharPredicate that returns true if Character.isUpperCase(char) returns true.

IS_LOWER_CASE

public static final CharPredicate IS_LOWER_CASE

A CharPredicate that returns true if Character.isLowerCase(char) returns true.

IS_WHITESPACE

public static final CharPredicate IS_WHITESPACE

A CharPredicate that returns true if Character.isWhitespace(char) returns true.

IS_ALPHA

public static final CharPredicate IS_ALPHA

A CharPredicate that returns true if the character is an alpha character.

IS_ALPHA_

public static final CharPredicate IS_ALPHA_

A CharPredicate that returns true if it is an alpha character or the underscore character _.

IS_LETTER

public static final CharPredicate IS_LETTER

A CharPredicate that returns true if Character.isLetter(char) returns true.

IS_ALPHA_NUMERIC

public static final CharPredicate IS_ALPHA_NUMERIC

A CharPredicate that returns true if it is an alphanumeric character, or an underscore character.

IS_ALPHA_NUMERIC_

public static final CharPredicate IS_ALPHA_NUMERIC_

A CharPredicate that returns true if it is an alphanumeric character, or an underscore character.

IS_DIGIT

public static final CharPredicate IS_DIGIT

A CharPredicate that returns true if the character is a digit.

Constructor Details

CharPredicates

private CharPredicates()

Method Details

isChar

public static CharPredicate isChar(char c)

A CharPredicate that returns true if the character is equal to c.

notChar

public static CharPredicate notChar(char c)

A CharPredicate that returns true if the character is not equal to c.

range

public static CharPredicate range(char a,
 char b)

A CharPredicate that returns true if the character is within the range of [a, b].

notRange

public static CharPredicate notRange(char a,
 char b)

A CharPredicate that returns true if the character is not within the range of [a, b].

among

public static CharPredicate among(String chars)

A CharPredicate that returns true if the character is equal to any character in chars.

notAmong

public static CharPredicate notAmong(String chars)

A CharPredicate that returns true if the character is not equal to any character in chars.

not

public static CharPredicate not(CharPredicate predicate)

A CharPredicate that returns true if predicate evaluates to false.

and

public static CharPredicate and(CharPredicate predicate1,
 CharPredicate predicate2)

A CharPredicate that returns true if both predicate1 and predicate2 evaluates to true.

or

public static CharPredicate or(CharPredicate predicate1,
 CharPredicate predicate2)

A CharPredicate that returns true if either predicate1 or predicate2 evaluates to true.

and

public static CharPredicate and(CharPredicate... predicates)

A CharPredicate that returns true if all CharPredicate in predicates evaluate to true.

or

public static CharPredicate or(CharPredicate... predicates)

A CharPredicate that returns true if any CharPredicate in predicates evaluates to true.